Journal articles: 'Speech reception threshold'

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TAIKI, MASAMICHI. "Speech reception threshold and pure tone audiometry." AUDIOLOGY JAPAN 39, no. 5 (1996): 451–52. http://dx.doi.org/10.4295/audiology.39.451.

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Zekveld, Adriana A., Erwin L. J. George, Sophia E. Kramer, S. Theo Goverts, and Tammo Houtgast. "The Development of the Text Reception Threshold Test: A Visual Analogue of the Speech Reception Threshold Test." Journal of Speech, Language, and Hearing Research 50, no. 3 (June 2007): 576–84. http://dx.doi.org/10.1044/1092-4388(2007/040).

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Purpose In this study, the authors aimed to develop a visual analogue of the widely used Speech Reception Threshold (SRT; R. Plomp & A. M. Mimpen, 1979b) test. The Text Reception Threshold (TRT) test, in which visually presented sentences are masked by a bar pattern, enables the quantification of modality-aspecific variance in speech-in-noise comprehension to obtain more insight into interindividual differences in this ability. Method Using an adaptive procedure similar to the SRT test, the TRT test determines the percentage of unmasked text needed to read 50% of sentences correctly. SRTs in stationary noise (SRT STAT ), modulated noise (SRT MOD ), and TRTs were determined for 34 participants with normal hearing, aged 19 to 78 years. Results The results indicate that about 30% of the variance in SRT STAT and SRT MOD is shared with variance in TRT, which reflects the shared involvement of a modality-aspecific cognitive or linguistic ability in forming meaningful wholes of fragments of sentences. Conclusion The TRT test, a visual analogue of the SRT test, has been developed to measure the variance in speech-in-noise comprehension associated with modality-aspecific cognitive skills. In future research, normative data of the TRT test should be developed. It would also be interesting to measure TRTs of individuals experiencing difficulties understanding speech.

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ASANO, KAZUE. "Development of new SRT (speech reception threshold) examination." AUDIOLOGY JAPAN 39, no. 5 (1996): 453–54. http://dx.doi.org/10.4295/audiology.39.453.

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Xu, Li, Solveig C. Voss, Jing Yang, Xianhui Wang, Qian Lu, Julia Rehmann, Volker Kuehnel, and Jinyu Qian. "Speech Perception and Sound-Quality Rating with an Adaptive Nonlinear Frequency Compression Algorithm in Mandarin-Speaking Hearing Aid Users." Journal of the American Academy of Audiology 31, no. 08 (April 27, 2020): 590–98. http://dx.doi.org/10.1055/s-0040-1709450.

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Abstract Background Mandarin Chinese has a rich repertoire of high-frequency speech sounds. This may pose a remarkable challenge to hearing-impaired listeners who speak Mandarin Chinese because of their high-frequency sloping hearing loss. An adaptive nonlinear frequency compression (adaptive NLFC) algorithm has been implemented in contemporary hearing aids to alleviate the problem. Purpose The present study examined the performance of speech perception and sound-quality rating in Mandarin-speaking hearing-impaired listeners using hearing aids fitted with adaptive NLFC (i.e., SoundRecover2 or SR2) at different parameter settings. Research Design Hearing-impaired listeners' phoneme detection thresholds, speech reception thresholds, and sound-quality ratings were collected with various SR2 settings. Study Sample The participants included 15 Mandarin-speaking adults aged 32 to 84 years old who had symmetric sloping severe-to-profound sensorineural hearing loss. Intervention The participants were fitted bilaterally with Phonak Naida V90-SP hearing aids. Data Collection and Analysis The outcome measures included phoneme detection threshold using the Mandarin Phonak Phoneme Perception test, speech reception threshold using the Mandarin hearing in noise test (M-HINT), and sound-quality ratings on human speech in quiet and noise, bird chirps, and music in quiet. For each test, five experimental settings were applied and compared: SR2-off, SR2-weak, SR2-default, SR2-strong 1, and SR2-strong 2. Results The results showed that listeners performed significantly better with SR2-strong 1 and SR2-strong 2 settings than with SR2-off or SR2-weak settings for speech reception threshold and phoneme detection threshold. However, no significant improvement was observed in sound-quality ratings among different settings. Conclusions These preliminary findings suggested that the adaptive NLFC algorithm provides perceptual benefit to Mandarin-speaking people with severe-to-profound hearing loss.

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Takeuchi, Yoshio. "Spech Level of Digit Words List in the Speech Reception Threshold Test." AUDIOLOGY JAPAN 34, no. 3 (1991): 177–86. http://dx.doi.org/10.4295/audiology.34.177.

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Smith, Julia, Jing Wang, Anneke C. Grobler, Katherine Lange, Susan A. Clifford, and Melissa Wake. "Hearing, speech reception, vocabulary and language: population epidemiology and concordance in Australian children aged 11 to 12 years and their parents." BMJ Open 9, Suppl 3 (July 2019): 85–94. http://dx.doi.org/10.1136/bmjopen-2018-023196.

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ObjectivesTo describe the epidemiology and parent-child concordance of hearing, speech reception, vocabulary and language in Australian parent-child dyads at child age 11 to 12 years.DesignPopulation-based cross-sectional study (Child Health CheckPoint) nested within the Longitudinal Study of Australian Children.SettingAssessment centres in seven Australian cities and eight regional towns or home visits around Australia, February 2015 to March 2016.ParticipantsOf all participating CheckPoint families (n=1874), 1516 children (50% female) and 1520 parents (87% mothers, mean age 43.8 years) undertook at least one of four measurements of hearing and language.Outcome measuresHearing threshold (better ear mean of 1, 2 and 4 kHz) from pure-tone audiometry, speech reception threshold, receptive vocabulary, expressive and receptive languages using a sentence repetition task. Parent-child concordance was examined using Pearson’s correlation coefficients and adjusted linear regression models. Survey weights and methods accounted for Longitudinal Study of Australian Children’s complex sampling and stratification.ResultsChildren had a similar speech reception threshold to parents (children mean −14.3, SD 2.4; parents −14.9, SD 3.2 dB) but better hearing acuity (children 8.3, SD 6.3; parents 13.4, SD 7.0 decibels hearing level). Standardised sentence repetition scores were similar (children 9.8, SD 2.9; parents 9.1, SD 3.3) but, as expected, parents had superior receptive vocabularies. Parent-child correlations were higher for the cognitively-based language measures (vocabulary 0.31, 95% CI 0.26 to 0.36; sentence repetition 0.29, 95% CI 0.24 to 0.34) than the auditory measures (hearing 0.18, 95% CI 0.13 to 0.23; speech reception threshold 0.18, 95% CI 0.13 to 0.22). Mother-child and father-child concordances were similar for all measures.ConclusionsWe provide population reference values for multiple measures spanning auditory and verbal communication systems in children and mid-life adults. Concordance values aligned with previous twin studies and offspring studies in adults, in keeping with polygenic heritability that is modest for audition but around 60% for language by late childhood.

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Khoza, Katijah, Lebogang Ramma, Munyane Mophosho, and Duduetsang Moroka. "Digit Speech Reception Threshold Testing in Tswana/English Speakers." South African Journal of Communication Disorders 55, no. 1 (December 31, 2008): 20–28. http://dx.doi.org/10.4102/sajcd.v55i1.766.

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The purpose of this study was to establish whether digit stimuli offer a more accurate measure for Speech Reception Threshold (SRT) testing when assessing first-language Tswana (or Setswana), second-language English speakers, as compared to an English word list (CID W-1) and a Tswana word list. Forty Tswana first language speaking participants (17 males and 23 females) aged between 18 and 25 years, participated in this study. All participants were undergraduate students at a tertiary institution in Johannesburg, Gauteng. This study utilized a quantitative single group correlation design which allowed for a comparison between three SRT scores (CID-SRT, T-SRT, and D-SRT). Participants underwent basic audiological assessment procedures comprising of otoscopy, tympanometry, conventional pure tone audiometry and SRT testing. SRT measures were established using monitored live voice testing. Basic audiometric data were descriptively analyzed to ensure that hearing function was with in normal limits, and PTA-SRT averages and means were calculated. Furthermore, analysis of the SRT-PTA correlation data was conducted through the use of the non-parametric Spearman's correlation co efficient and linear regression. Results from this study were statistically significant (p .05) and indicated that digit-pairs were not the most effective stimuli for establishing SRT, compared to the CIDW-1 and Tswana word lists. On the contrary, findings of the current study revealed that PTA-SRT comparison was best in Tswana (r= 0 .62), followed very closely by CID W-1 (r = 0.61), and lastly digit- pairs (r = 0.60). The results however, confirm the efficacy of using digit pairs as alternative stimuli when more appropriate speech stimuli for the establishment of SRT are unavailable, as the correlation between SRT for digit pairs and PTA was also a strong one (r= 0.60). Linear regression analyses indicated that all three lists were acceptable speech stimuli for the population under investigation with the standard error of estimate being significantly smaller than the 5dB-stepused to collect the data (1.62 for Tswana, 3.56 for CID W-1, and 3.80 for digit-pairs).

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Shen, Jing, and Pamela E. Souza. "Do Older Listeners With Hearing Loss Benefit From Dynamic Pitch for Speech Recognition in Noise?" American Journal of Audiology 26, no. 3S (October 12, 2017): 462–66. http://dx.doi.org/10.1044/2017_aja-16-0137.

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Purpose Dynamic pitch, the variation in the fundamental frequency of speech, aids older listeners' speech perception in noise. It is unclear, however, whether some older listeners with hearing loss benefit from strengthened dynamic pitch cues for recognizing speech in certain noise scenarios and how this relative benefit may be associated with individual factors. We first examined older individuals' relative benefit between natural and strong dynamic pitches for better speech recognition in noise. Further, we reported the individual factors of the 2 groups of listeners who benefit differently from natural and strong dynamic pitches. Method Speech reception thresholds of 13 older listeners with mild–moderate hearing loss were measured using target speech with 3 levels of dynamic pitch strength. Individuals' ability to benefit from dynamic pitch was defined as the speech reception threshold difference between speeches with and without dynamic pitch cues. Results The relative benefit of natural versus strong dynamic pitch varied across individuals. However, this relative benefit remained consistent for the same individuals across those background noises with temporal modulation. Those listeners who benefited more from strong dynamic pitch reported better subjective speech perception abilities. Conclusion Strong dynamic pitch may be more beneficial than natural dynamic pitch for some older listeners to recognize speech better in noise, particularly when the noise has temporal modulation.

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Saunders, Gabrielle H., and Kathleen M. Cienkowski. "A Test to Measure Subjective and Objective Speech Intelligibility." Journal of the American Academy of Audiology 13, no. 01 (January 2002): 038–49. http://dx.doi.org/10.1055/s-0040-1715946.

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Measurement of hearing aid outcome is particularly difficult because there are numerous dimensions to consider (e.g., performance, satisfaction, benefit). Often there are discrepancies between scores in these dimensions. It is difficult to reconcile these discrepancies because the materials and formats used to measure each dimension are so very different. We report data obtained with an outcome measure that examines both objective and subjective dimensions with the same test format and materials and gives results in the same unit of measurement (signal-to-noise ratio). Two variables are measured: a “performance” speech reception threshold and a “perceptual” speech reception threshold. The signal-to-noise ratio difference between these is computed to determine the perceptual-performance discrepancy (PPDIS). The results showed that, on average, 48 percent of the variance in subjective ratings of a hearing aid could be explained by a combination of the performance speech reception threshold and the PPDIS. These findings suggest that the measure is potentially a valuable clinical tool.

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Dingemanse, Gertjan, and André Goedegebure. "Efficient Adaptive Speech Reception Threshold Measurements Using Stochastic Approximation Algorithms." Trends in Hearing 23 (January 2019): 233121652091919. http://dx.doi.org/10.1177/2331216520919199.

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This study examines whether speech-in-noise tests that use adaptive procedures to assess a speech reception threshold in noise ( SRT50n) can be optimized using stochastic approximation (SA) methods, especially in cochlear-implant (CI) users. A simulation model was developed that simulates intelligibility scores for words from sentences in noise for both CI users and normal-hearing (NH) listeners. The model was used in Monte Carlo simulations. Four different SA algorithms were optimized for use in both groups and compared with clinically used adaptive procedures. The simulation model proved to be valid, as its results agreed very well with existing experimental data. The four optimized SA algorithms all provided an efficient estimation of the SRT50n. They were equally accurate and produced smaller standard deviations (SDs) than the clinical procedures. In CI users, SRT50n estimates had a small bias and larger SDs than in NH listeners. At least 20 sentences per condition and an initial signal-to-noise ratio below the real SRT50n were required to ensure sufficient reliability. In CI users, bias and SD became unacceptably large for a maximum speech intelligibility score in quiet below 70%. In conclusion, SA algorithms with word scoring in adaptive speech-in-noise tests are applicable to various listeners, from CI users to NH listeners. In CI users, they lead to efficient estimation of the SRT50n as long as speech intelligibility in quiet is greater than 70%. SA procedures can be considered as a valid, more efficient, and alternative to clinical adaptive procedures currently used in CI users.

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Festen, Joost M. "Why do masker fluctuations as in interfering speech lower the speech‐reception threshold?" Journal of the Acoustical Society of America 93, no. 4 (April 1993): 2327. http://dx.doi.org/10.1121/1.406348.

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Samardzic, Nilolina, and Brian C. J. Moore. "Binaural speech-to-noise loudness ratio at the speech reception threshold in vehicles." Noise Control Engineering Journal 69, no. 2 (March 1, 2021): 173–79. http://dx.doi.org/10.3397/1/376917.

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Traditional methods for predicting the intelligibility of speech in the presence of noise inside a vehicle, such as the Articulation Index (AI), the Speech Intelligibility Index (SII), and the Speech Transmission Index (STI), are not accurate, probably because they do not take binaural listening into account; the signals reaching the two ears can differ markedly depending on the positions of the talker and listener. We propose a new method for predicting the intelligibility of speech in a vehicle, based on the ratio of the binaural loudness of the speech to the binaural loudness of the noise, each calculated using the method specified in ISO 532-2 (2017). The method was found to give accurate predictions of the speech reception threshold (SRT) measured under a variety of conditions and for different positions of the talker and listener in a car. The typical error in the predicted SRT was 1.3 dB, which is markedly smaller than estimated using the SII and STI (2.0 dB and 2.1 dB, respectively).

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Berwick, Nathan, and Hyunkook Lee. "Spatial Unmasking Effect on Speech Reception Threshold in the Median Plane." Applied Sciences 10, no. 15 (July 30, 2020): 5257. http://dx.doi.org/10.3390/app10155257.

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This study examined whether the spatial unmasking effect operates on speech reception thresholds (SRTs) in the median plane. SRTs were measured using an adaptive staircase procedure, with target speech sentences and speech-shaped noise maskers presented via loudspeakers at −30°, 0°, 30°, 60° and 90°. Results indicated a significant median plane spatial unmasking effect, with the largest SRT gain obtained for the −30° elevation of the masker. Head-related transfer function analysis suggests that the result is associated with the energy weighting of the ear-input signal of the masker at upper-mid frequencies relative to the maskee.

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Lee, Lidia W., and Larry E. Humes. "Evaluating a speech‐reception threshold model for hearing‐impaired listeners." Journal of the Acoustical Society of America 93, no. 5 (May 1993): 2879–85. http://dx.doi.org/10.1121/1.405807.

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Potts, Wendy B., Lakshmish Ramanna, Trevor Perry, and Christopher J. Long. "Improving Localization and Speech Reception in Noise for Bilateral Cochlear Implant Recipients." Trends in Hearing 23 (January 2019): 233121651983149. http://dx.doi.org/10.1177/2331216519831492.

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This study looked at different methods to preserve interaural level difference (ILD) cues for bilateral cochlear implant (BiCI) recipients. One possible distortion to ILD is from automatic gain control (AGC). Localization accuracy of BiCI recipients using default versus increased AGC threshold and linked AGCs versus independent AGCs was examined. In addition, speech reception in noise was assessed using linked versus independent AGCs and enabling and disabling Autosensitivity™ Control. Subjective information via a diary and questionnaire was also collected about maps with linked and independent AGCs during a take-home experience. Localization accuracy improved in the increased AGC threshold and the linked AGCs conditions. Increasing the AGC threshold resulted in a 4° improvement in root mean square error averaged across all speaker locations. Using linked AGCs, BiCI participants experienced an 8° improvement for all speaker locations and a 19° improvement at the speaker location most affected by the AGC. Speech reception threshold in noise improved by an average of 2.5 dB when using linked AGCs versus independent AGCs. In addition, the effect of linked AGCs on speech in noise was compared with that of Autosensitivity™ Control. The Speech, Spatial, and Qualities of Hearing Scale-12 question comparative survey showed an improvement when using maps with linked AGCs. These findings support the hypothesis that ILD cues may be preserved by increasing the AGC threshold or linking AGCs.

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Kim, Kyoo Sang. "A Comparison among Pure-Tone Thresholds, Speech Reception Threshold, and Auditory Brainstem Response Threshold in Noise-Induced Hearing Loss." Audiology and Speech Research 5, no. 1 (December 31, 2009): 42–50. http://dx.doi.org/10.21848/audiol.2009.5.1.42.

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Bandaru, S. V., A. M. Augustine, A. Lepcha, S. Sebastian, M. Gowri, A. Philip, and M. D. Mammen. "The effects of N95 mask and face shield on speech perception among healthcare workers in the coronavirus disease 2019 pandemic scenario." Journal of Laryngology & Otology 134, no. 10 (September 28, 2020): 895–98. http://dx.doi.org/10.1017/s0022215120002108.

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AbstractObjectiveThe current circumstances of the coronavirus disease 2019 pandemic necessitate the use of personal protective equipment in hospitals. N95 masks and face shields are being used as personal protective equipment to protect from aerosol-related spread of infection. Personal protective equipment, however, hampers communication. This study aimed to assess the effect of using an N95 mask and face shield on speech perception among healthcare workers with normal hearing.MethodsTwenty healthcare workers were recruited for the study. Pure tone audiometry was conducted to ensure normal hearing. Speech reception threshold and speech discrimination score were obtained, first without using personal protective equipment and then repeated with the audiologist wearing an N95 mask and face shield.ResultsA statistically significant increase in speech reception threshold (mean of 12.4 dB) and decrease in speech discrimination score (mean of 7 per cent) was found while using the personal protective equipment.ConclusionUse of personal protective equipment significantly impairs speech perception. Alternate communication strategies should be developed for effective communication.

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Gawliczek, Tom, Wilhelm Wimmer, Fabio Munzinger, Marco Caversaccio, and Martin Kompis. "Speech Understanding and Sound Localization with a New Nonimplantable Wearing Option for Baha." BioMed Research International 2018 (September 25, 2018): 1–8. http://dx.doi.org/10.1155/2018/5264124.

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Objective. To measure the audiological benefit of the Baha SoundArc, a recently introduced nonimplantable wearing option for bone conduction sound processor, and to compare it with the known softband wearing option in subjects with normal cochlear function and a purely conductive bilateral hearing loss.Methods. Both ears of 15 normal hearing subjects were occluded for the time of the measurement, yielding an average unaided threshold of 49 dB HL (0.5 – 4 kHz). Soundfield thresholds, speech understanding in quiet and in noise, and sound localization were measured in unaided conditions and with 1 or 2 Baha 5 sound processors mounted on either a softband or a SoundArc device.Results. Soundfield thresholds and speech reception thresholds were improved by 19.5 to 24.8 dB (p<.001), when compared to the unaided condition. Speech reception thresholds in noise were improved by 3.7 to 4.7 dB (p<.001). Using 2 sound processors rather than one improved speech understanding in noise for speech from the direction of the2nddevice and sound localization error by 23° to 28°. No statistically significant difference was found between the SoundArc and the softband wearing options in any of the tests.Conclusions. Bone conduction sound processor mounted on a SoundArc or on a softband resulted in considerable improvements in hearing and speech understanding in subjects with a simulated, purely conductive, and bilateral hearing loss. No significant difference between the 2 wearing options was found. Using 2 sound processors improves sound localization and speech understanding in noise in certain spatial settings.

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Festen, J. M., and R. Plomp. "Speech‐reception threshold in noise with one and two hearing aids." Journal of the Acoustical Society of America 79, no. 2 (February 1986): 465–71. http://dx.doi.org/10.1121/1.393534.

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Nissen, Shawn L., Richard W. Harris, Lara-Jill Jennings, Dennis L. Eggett, and Holly Buck. "Psychometrically equivalent trisyllabic words for speech reception threshold testing in Mandarin." International Journal of Audiology 44, no. 7 (January 2005): 391–99. http://dx.doi.org/10.1080/14992020500147672.

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Nissen, Shawn L., Richard W. Harris, and Katie B. Slade. "Development of speech reception threshold materials for speakers of Taiwan Mandarin." International Journal of Audiology 46, no. 8 (January 2007): 449–58. http://dx.doi.org/10.1080/14992020701361296.

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Buuren, Ronald A. van, Joost M. Festen, and Reinier Plomp. "Evaluation of a Wide Range of AmplitudeFrequency Responses for the Hearing Impaired." Journal of Speech, Language, and Hearing Research 38, no. 1 (February 1995): 211–21. http://dx.doi.org/10.1044/jshr.3801.211.

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The long-term average frequency spectrum of speech was modified to 25 target frequency spectra in order to determine the effect of each of these spectra on speech intelligibility in noise and on sound quality. Speech intelligibility was evaluated using the test as developed by Plomp and Mimpen (1979), whereas sound quality was examined through judgments of loudness, sharpness, clearness, and pleasantness of speech fragments. Subjects had different degrees of sensorineural hearing loss and sloping audiograms, but not all of them were hearing aid users. The 25 frequency spectra were defined such that the entire dynamic range of each listener, from dB above threshold to 5 dB below UCL, was covered. Frequency shaping of the speech was carried out on-line by means of Finite Impulse Response (FIR) filters. The tests on speech reception in noise indicated that the Speech-Reception Thresholds (SRTs) did not differ significantly for the majority of spectra. Spectra with high levels, especially at low frequencies (probably causing significant upward spread of masking), and also those with steep negative slopes resulted in significantly higher SRTs. Sound quality judgments led to conclusions virtually identical to those from the SRT data: frequency spectra with an unacceptably low sound quality were in most of the cases significantly worse on the SRT test as well. Because the SRT did not vary significantly among the majority of frequency spectra, it was concluded that a wide range of spectra between the threshold and UCL levels of listeners with hearing losses is suitable for the presentation of speech energy. This is very useful in everyday listening, where the frequency spectrum of speech may vary considerably.

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Rhebergen, Koenraad S., Niek J. Versfeld, and Wouter A. Dreschler. "Extended speech intelligibility index for the prediction of the speech reception threshold in fluctuating noise." Journal of the Acoustical Society of America 120, no. 6 (December 2006): 3988–97. http://dx.doi.org/10.1121/1.2358008.

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Wise, Christi L., and Justin A. Zakis. "Effects of Expansion Algorithms on Speech Reception Thresholds." Journal of the American Academy of Audiology 19, no. 02 (February 2008): 147–57. http://dx.doi.org/10.3766/jaaa.19.2.5.

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Expansion is commonly used to reduce microphone noise and low-level environmental noises that can be annoying to hearing aid users. It may also improve or reduce the perception of low-level speech. This study assessed the impact of two expansion algorithms, single and multiple channel, on speech reception thresholds (SRT) with 10 hearing impaired listeners wearing hearing aids with ADRO® processing. The single-channel algorithm suppressed sounds below 45 dB A, while the multiple-channel algorithm suppressed sounds below the long-term average spectrum of speech at either 55 or 45 dB SPL. The mean HINT SRTs in quiet were 39.4, 40.7, 40.6, and 41.8 dB A without expansion, with single-channel expansion, and with multiple-channel expansion at expansion thresholds of 45 and 55 dB SPL, respectively. The difference in mean SRT was only statistically significant between no expansion and multiple-channel expansion at a 55 dB SPL threshold. A regression analysis between the change in individual SRT for each expansion condition and pure tone average hearing loss showed no correlation. Our calculations indicate that only those with exceptionally good hearing will find microphone noise audible. The current practice of prescribing expansion algorithms based on hearing thresholds alone is questioned, and other rationales are discussed. La expansión se utiliza comúnmente para reducir el ruido de los micrófonos y los ruidos ambientales de bajo nivel que pueden ser perturbadores para los usuarios de auxiliares auditivos. También puede mejorar o reducir la percepción de lenguaje a bajo voumen. Este estudio evaluó el impacto de dos algoritmos de expansión, de canal múltiple y el canal único, sobre los umbrales de recepción del lenguaje (SRT) con 10 sujetos hipoacúsicos utilizando auxiliares auditivos con procesamiento ADRO®. El algoritmo de canal único suprimió sonidos por debajo de 45 dB A, mientras que el algoritmo de canal múltiple suprimió sonidos por debajo del espectro promedio a largo plazo del lenguaje, a 55 ó 45 dB SPL, respectivamente. La diferencia en el SRT medio fue sólo estadísticamente significativa entre la no expansión y la expansión de canal múltiple a un umbral de 55 dB SPL. Un análisis de regresión no mostró correlación entre el cambio en los SRT individuales para cada condición de expansión y la pérdida auditiva promedio para tonos puros. Nuestros cálculos indican que solamente aquellos con una audición excepcionalmente buena encontrarán audible el ruido del micrófono. Se cuestiona la práctica actual de prescribir algoritmos de expansión con base sólo en umbrales auditivos, y se discuten otros razonamientos.

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Krenz, Magdalena, Andrzej Wicher, and Aleksander Sęk. "The Influence of the Semantic Material on the Assessment of Speech Reception Threshold." Archives of Acoustics 40, no. 1 (March 1, 2015): 41–50. http://dx.doi.org/10.1515/aoa-2015-0006.

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Abstract To determine speech intelligibility using the test suggested by Ozimek et al. (2009), the subject composed sentences with the words presented on a computer screen. However, the number and the type of these words were chosen arbitrarily. The subject was always presented with 18, similarly sounding words. Therefore, the aim of this study was to determine whether the number and the type of alternative words used by Ozimek et al. (2009), had a significant influence on the speech intelligibility. The aim was also to determine an optimal number of alternative words: i.e., the number that did not affect the speech reception threshold (SRT) and not unduly lengthened the duration of the test. The study conducted using a group of 10 subjects with normal hearing showed that an increase in the number of words to choose from 12 to 30 increased the speech intelligibility by about 0.3 dB/6 words. The use of paronyms as alternative words as opposed to random words, leads to an increase in the speech intelligibility by about 0.6 dB, which is equivalent to a decrease in intelligibility by 15 percentage points. Enlarging the number of words to choose from, and switching alternative words to paronyms, led to an increase in response time from approximately 11 to 16 s. It seems that the use of paronyms as alternative words as well as using 12 or 18 words to choose from is the best choice when using the Polish Sentence Test (PST).

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Vermiglio, Andrew J., Sigfrid D. Soli, Daniel J. Freed, and Laurel M. Fisher. "The Relationship between High-Frequency Pure-Tone Hearing Loss, Hearing in Noise Test (HINT) Thresholds, and the Articulation Index." Journal of the American Academy of Audiology 23, no. 10 (November 2012): 779–88. http://dx.doi.org/10.3766/jaaa.23.10.4.

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Background: Speech recognition in noise testing has been conducted at least since the 1940s (Dickson et al, 1946). The ability to recognize speech in noise is a distinct function of the auditory system (Plomp, 1978). According to Kochkin (2002), difficulty recognizing speech in noise is the primary complaint of hearing aid users. However, speech recognition in noise testing has not found widespread use in the field of audiology (Mueller, 2003; Strom, 2003; Tannenbaum and Rosenfeld, 1996). The audiogram has been used as the “gold standard” for hearing ability. However, the audiogram is a poor indicator of speech recognition in noise ability. Purpose: This study investigates the relationship between pure-tone thresholds, the articulation index, and the ability to recognize speech in quiet and in noise. Research Design: Pure-tone thresholds were measured for audiometric frequencies 250–6000 Hz. Pure-tone threshold groups were created. These included a normal threshold group and slight, mild, severe, and profound high-frequency pure-tone threshold groups. Speech recognition thresholds in quiet and in noise were obtained using the Hearing in Noise Test (HINT) (Nilsson et al, 1994; Vermiglio, 2008). The articulation index was determined by using Pavlovic's method with pure-tone thresholds (Pavlovic, 1989, 1991). Study Sample: Two hundred seventy-eight participants were tested. All participants were native speakers of American English. Sixty-three of the original participants were removed in order to create groups of participants with normal low-frequency pure-tone thresholds and relatively symmetrical high-frequency pure-tone threshold groups. The final set of 215 participants had a mean age of 33 yr with a range of 17–59 yr. Data Collection and Analysis: Pure-tone threshold data were collected using the Hughson-Weslake procedure. Speech recognition data were collected using a Windows-based HINT software system. Statistical analyses were conducted using descriptive, correlational, and multivariate analysis of covariance (MANCOVA) statistics. Results: The MANCOVA analysis (where the effect of age was statistically removed) indicated that there were no significant differences in HINT performances between groups of participants with normal audiograms and those groups with slight, mild, moderate, or severe high-frequency hearing losses. With all of the data combined across groups, correlational analyses revealed significant correlations between pure-tone averages and speech recognition in quiet performance. Nonsignificant or significant but weak correlations were found between pure-tone averages and HINT thresholds. Conclusions: The ability to recognize speech in steady-state noise cannot be predicted from the audiogram. A new classification scheme of hearing impairment based on the audiogram and the speech reception in noise thresholds, as measured with the HINT, may be useful for the characterization of the hearing ability in the global sense. This classification scheme is consistent with Plomp's two aspects of hearing ability (Plomp, 1978).

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Lyzenga, Johannes, and Cas Smits. "Effects of Coarticulation, Prosody, and Noise Freshness on the Intelligibility of Digit Triplets in Noise." Journal of the American Academy of Audiology 22, no. 04 (April 2011): 215–21. http://dx.doi.org/10.3766/jaaa.22.4.4.

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Background: In a number of European countries, a functional self-test to screen for hearing impairment is available via telephone and the Internet. The tests estimate speech-reception thresholds using an adaptive procedure in which digit triplets are presented at varying signal-to-noise ratios. In different languages, the stimuli were created either with or without coarticulation; and some implementations use fresh noise samples, while others do not. Purpose: The present investigation concerns the influence of coarticulation, prosody, and noise freshness on measured thresholds. Study Sample: We performed a laboratory study using 12 normal-hearing listeners. Research Design: In a blocked design we compared speech-reception thresholds for conditions with and without fresh noise tokens. In each block we used three types of triplets: with coarticulation and prosody, with neither, and without coarticulation but with prosody. Data Collection and Analysis: Thirty-six thresholds were recorded per subject, and they were analyzed using analyses of variance. Results: The results showed no significant differences among the three triplet conditions. The freshness of the noise did not affect thresholds when, at least, a fresh noise token was used per threshold estimate (23 presentations). Scores dropped significantly when a whole experimental block was performed with a single noise token.

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Plomp, Reinier. "A Signal-to-Noise Ratio Model for the Speech-Reception Threshold of the Hearing Impaired." Journal of Speech, Language, and Hearing Research 29, no. 2 (June 1986): 146–54. http://dx.doi.org/10.1044/jshr.2902.146.

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This paper reviews the results of a series of investigations inspired by a model of the speech-reception threshold (SRT) of hearing-impaired listeners. The model contains two parameters accounting for the SRT of normal-hearing listeners (SRT in quiet and signal-to-noise ratio corresponding to the threshold at high noise levels), two parameters describing the hearing loss (attenuation and threshold elevation in terms of signal-to-noise ratio), and three parameters describing the hearing aid (acoustic gain, threshold elevation expressed in signal-to-noise ratio, and equivalent internal noise level). Experimental data are reported for three different types of hearing impairment: presbycusis, hearing losses with a pathological origin, and noise-induced losses. The model gives an excellent description of the data. It demonstrates that for many hearing-impaired persons speech intelligibility at noise levels beyond 50 to 60 dB(A) is their main problem, whereas hearing aids are most effective below that noise level.

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Zekveld, Adriana A., Erwin L. J. George, Tammo Houtgast, and Sophia E. Kramer. "Cognitive Abilities Relate to Self-Reported Hearing Disability." Journal of Speech, Language, and Hearing Research 56, no. 5 (October 2013): 1364–72. http://dx.doi.org/10.1044/1092-4388(2013/12-0268).

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Purpose In this explorative study, the authors investigated the relationship between auditory and cognitive abilities and self-reported hearing disability. Method Thirty-two adults with mild to moderate hearing loss completed the Amsterdam Inventory for Auditory Disability and Handicap (AIADH; Kramer, Kapteyn, Festen, & Tobi, 1996) and performed the Text Reception Threshold (TRT; Zekveld, George, Kramer, Goverts, & Houtgast, 2007) test as well as tests of spatial working memory (SWM) and visual sustained attention. Regression analyses examined the predictive value of age, hearing thresholds (pure-tone averages [PTAs]), speech perception in noise (speech reception thresholds in noise [SRTNs]), and the cognitive tests for the 5 AIADH factors. Results Besides the variance explained by age, PTA, and SRTN, cognitive abilities were related to each hearing factor. The reported difficulties with sound detection and speech perception in quiet were less severe for participants with higher age, lower PTAs, and better TRTs. Fewer sound localization and speech perception in noise problems were reported by participants with better SRTNs and smaller SWM. Fewer sound discrimination difficulties were reported by subjects with better SRTNs and TRTs and smaller SWM. Conclusions The results suggest a general role of the ability to read partly masked text in subjective hearing. Large working memory was associated with more reported hearing difficulties. This study shows that besides auditory variables and age, cognitive abilities are related to self-reported hearing disability.

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Zekveld, Adriana A., Marieke Pronk, Henrik Danielsson, and Jerker Rönnberg. "Reading Behind the Lines: The Factors Affecting the Text Reception Threshold in Hearing Aid Users." Journal of Speech, Language, and Hearing Research 61, no. 3 (March 15, 2018): 762–75. http://dx.doi.org/10.1044/2017_jslhr-h-17-0196.

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Purpose The visual Text Reception Threshold (TRT) test (Zekveld et al., 2007) has been designed to assess modality-general factors relevant for speech perception in noise. In the last decade, the test has been adopted in audiology labs worldwide. The 1st aim of this study was to examine which factors best predict interindividual differences in the TRT. Second, we aimed to assess the relationships between the TRT and the speech reception thresholds (SRTs) estimated in various conditions. Method First, we reviewed studies reporting relationships between the TRT and the auditory and/or cognitive factors and formulated specific hypotheses regarding the TRT predictors. These hypotheses were tested using a prediction model applied to a rich data set of 180 hearing aid users. In separate association models, we tested the relationships between the TRT and the various SRTs and subjective hearing difficulties, while taking into account potential confounding variables. Results The results of the prediction model indicate that the TRT is predicted by the ability to fill in missing words in incomplete sentences, by lexical access speed, and by working memory capacity. Furthermore, in line with previous studies, a moderate association between higher age, poorer pure-tone hearing acuity, and poorer TRTs was observed. Better TRTs were associated with better SRTs for the correct perception of 50% of Hagerman matrix sentences in a 4-talker babble, as well as with better subjective ratings of speech perception. Age and pure-tone hearing thresholds significantly confounded these associations. The associations of the TRT with SRTs estimated in other conditions and with subjective qualities of hearing were not statistically significant when adjusting for age and pure-tone average. Conclusions We conclude that the abilities tapped into by the TRT test include processes relevant for speeded lexical decision making when completing partly masked sentences and that these processes require working memory capacity. Furthermore, the TRT is associated with the SRT of hearing aid users as estimated in a challenging condition that includes informational masking and with experienced difficulties with speech perception in daily-life conditions. The current results underline the value of using the TRT test in studies involving speech perception and aid in the interpretation of findings acquired using the test.

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Bernstein, Joshua G. W., Van Summers, Elena Grassi, and Ken W. Grant. "Auditory Models of Suprathreshold Distortion and Speech Intelligibility in Persons with Impaired Hearing." Journal of the American Academy of Audiology 24, no. 04 (April 2013): 307–28. http://dx.doi.org/10.3766/jaaa.24.4.6.

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Background: Hearing-impaired (HI) individuals with similar ages and audiograms often demonstrate substantial differences in speech-reception performance in noise. Traditional models of speech intelligibility focus primarily on average performance for a given audiogram, failing to account for differences between listeners with similar audiograms. Improved prediction accuracy might be achieved by simulating differences in the distortion that speech may undergo when processed through an impaired ear. Although some attempts to model particular suprathreshold distortions can explain general speech-reception deficits not accounted for by audibility limitations, little has been done to model suprathreshold distortion and predict speech-reception performance for individual HI listeners. Auditory-processing models incorporating individualized measures of auditory distortion, along with audiometric thresholds, could provide a more complete understanding of speech-reception deficits by HI individuals. A computational model capable of predicting individual differences in speech-recognition performance would be a valuable tool in the development and evaluation of hearing-aid signal-processing algorithms for enhancing speech intelligibility. Purpose: This study investigated whether biologically inspired models simulating peripheral auditory processing for individual HI listeners produce more accurate predictions of speech-recognition performance than audiogram-based models. Research Design: Psychophysical data on spectral and temporal acuity were incorporated into individualized auditory-processing models consisting of three stages: a peripheral stage, customized to reflect individual audiograms and spectral and temporal acuity; a cortical stage, which extracts spectral and temporal modulations relevant to speech; and an evaluation stage, which predicts speech-recognition performance by comparing the modulation content of clean and noisy speech. To investigate the impact of different aspects of peripheral processing on speech predictions, individualized details (absolute thresholds, frequency selectivity, spectrotemporal modulation [STM] sensitivity, compression) were incorporated progressively, culminating in a model simulating level-dependent spectral resolution and dynamic-range compression. Study Sample: Psychophysical and speech-reception data from 11 HI and six normal-hearing listeners were used to develop the models. Data Collection and Analysis: Eleven individualized HI models were constructed and validated against psychophysical measures of threshold, frequency resolution, compression, and STM sensitivity. Speech-intelligibility predictions were compared with measured performance in stationary speech-shaped noise at signal-to-noise ratios (SNRs) of −6, −3, 0, and 3 dB. Prediction accuracy for the individualized HI models was compared to the traditional audibility-based Speech Intelligibility Index (SII). Results: Models incorporating individualized measures of STM sensitivity yielded significantly more accurate within-SNR predictions than the SII. Additional individualized characteristics (frequency selectivity, compression) improved the predictions only marginally. A nonlinear model including individualized level-dependent cochlear-filter bandwidths, dynamic-range compression, and STM sensitivity predicted performance more accurately than the SII but was no more accurate than a simpler linear model. Predictions of speech-recognition performance simultaneously across SNRs and individuals were also significantly better for some of the auditory-processing models than for the SII. Conclusions: A computational model simulating individualized suprathreshold auditory-processing abilities produced more accurate speech-intelligibility predictions than the audibility-based SII. Most of this advantage was realized by a linear model incorporating audiometric and STM-sensitivity information. Although more consistent with known physiological aspects of auditory processing, modeling level-dependent changes in frequency selectivity and gain did not result in more accurate predictions of speech-reception performance.

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Festen, Joost M., and Reinier Plomp. "Effects of fluctuating noise and interfering speech on the speech‐reception threshold for impaired and normal hearing." Journal of the Acoustical Society of America 88, no. 4 (October 1990): 1725–36. http://dx.doi.org/10.1121/1.400247.

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Ahmadzadeh, A., M. Daraei, M. Jalessi, A. A. Peyvandi, E. Amini, L. A. Ranjbar, and A. Daneshi. "Hearing status in patients with rheumatoid arthritis." Journal of Laryngology & Otology 131, no. 10 (August 15, 2017): 895–99. http://dx.doi.org/10.1017/s0022215117001670.

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AbstractObjective:Rheumatoid arthritis is thought to induce conductive hearing loss and/or sensorineural hearing loss. This study evaluated the function of the middle ear and cochlea, and the related factors.Methods:Pure tone audiometry, speech reception thresholds, speech discrimination scores, tympanometry, acoustic reflexes, and distortion product otoacoustic emissions were assessed in rheumatoid arthritis patients and healthy volunteers.Results:Pure tone audiometry results revealed a higher bone conduction threshold in the rheumatoid arthritis group, but there was no significant difference when evaluated according to the sensorineural hearing loss definition. Distortion product otoacoustic emissions related prevalence of conductive or mixed hearing loss, tympanometry values, acoustic reflexes, and speech discrimination scores were not significantly different between the two groups. Sensorineural hearing loss was significantly more prevalent in patients who used azathioprine, cyclosporine and etanercept.Conclusion:Higher bone conduction thresholds in some frequencies were detected in rheumatoid arthritis patients that were not clinically significant. Sensorineural hearing loss is significantly more prevalent in refractory rheumatoid arthritis patients.

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Hagerman, Björn, and Catharina Kinnefors. "Efficient Adaptive Methods for Measuring Speech Reception Threshold in Quiet and in Noise." International Journal of Audiology 24, no. 1 (January 1995): 71–77. http://dx.doi.org/10.3109/14992029509042213.

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Hagerman, Björn, and Catharina Kinnefors. "Efficient Adaptive Methods for Measuring Speech Reception Threshold in Quiet and in Noise." Scandinavian Audiology 24, no. 1 (January 1995): 71–77. http://dx.doi.org/10.3109/01050399509042213.

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Middelweerd, M. J., and R. Plomp. "The effect of speechreading on the speech‐reception threshold of sentences in noise." Journal of the Acoustical Society of America 82, no. 6 (December 1987): 2145–47. http://dx.doi.org/10.1121/1.395659.

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Zeng, Jiazhong, Jianxin Peng, and Xiaoming Zhou. "Investigation on Chinese speech reception threshold of the elderly in noise and reverberation." Applied Acoustics 180 (September 2021): 108129. http://dx.doi.org/10.1016/j.apacoust.2021.108129.

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von Hapsburg, Deborah, Craig A. Champlin, and Suparna R. Shetty. "Reception Thresholds for Sentences in Bilingual (Spanish/English) and Monolingual (English) Listeners." Journal of the American Academy of Audiology 15, no. 01 (January 2004): 088–98. http://dx.doi.org/10.3766/jaaa.15.1.9.

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Recent evidence on the perceptual performance of bilingual listeners suggests that a nonaudibility-based cost exists in processing a second language. That is, when compared to monolingual English speakers and early bilinguals, listeners who acquired English as a second language after puberty show reduced performance when listening to the second language in background noise, despite normal auditory thresholds. However, past studies have not controlled for the homogeneity of the bilingual participants used in auditory research; therefore, it is unknown whether the deficit observed in bilingual function is due to a lack of control for language-related variables. The ability of a homogeneous group of Spanish-English bilinguals and English monolingual listeners to perceive sentences in quiet and in noise at threshold levels was evaluated using the Hearing in Noise Test (HINT). Both groups performed similarly in quiet conditions. In the noise conditions, the bilingual group's performance was significantly poorer than the monolingual group's performance. However, both groups showed a binaural advantage of 7–8 dB when the signal and noise were separated by 90 degrees.

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Bosman, Arjan J., Jeppe Høy Christensen, Tove Rosenbom, François Patou, Arno Janssen, and Myrthe K. S. Hol. "Investigating Real-World Benefits of High-Frequency Gain in Bone-Anchored Users with Ecological Momentary Assessment and Real-Time Data Logging." Journal of Clinical Medicine 10, no. 17 (August 30, 2021): 3923. http://dx.doi.org/10.3390/jcm10173923.

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Purpose: To compare listening ability (speech reception thresholds) and real-life listening experience in users with a percutaneous bone conduction device (BCD) with two listening programs differing only in high-frequency gain. In situ real-life experiences were recorded with ecological momentary assessment (EMA) techniques combined with real-time acoustical data logging and standard retrospective questionnaires. Methods: Nineteen experienced BCD users participated in this study. They all used a Ponto 4 BCD from Oticon Medical during a 4-week trial period. Environmental data and device parameters (i.e., device usage and volume control) were logged in real-time on an iPhone via a custom iOS research app. At the end of the trial period, subjects filled in APHAB, SSQ, and preference questionnaires. Listening abilities with the two programs were evaluated with speech reception threshold tests. Results: The APHAB and SSQ questionnaires did not reveal any differences between the two listening programs. The EMAs revealed group-level effects, indicating that in speech and noisy listening environments, subjects preferred the default listening program, and found the program with additional high-frequency gain too loud. This finding was corroborated by the volume log—subjects avoided the higher volume control setting and reacted more to changes in environmental sound pressure levels when using the high-frequency gain program. Finally, day-to-day changes in EMAs revealed acclimatization effects in the listening experience for ratings of “sound quality” and “program suitability” of the BCD, but not for ratings of “loudness perception” and “speech understanding”. The acclimatization effect did not differ among the listening programs. Conclusion: Adding custom high-frequency amplification to the BCD target-gain prescription improves speech reception in laboratory tests under quiet conditions, but results in poorer real-life listening experiences due to loudness.

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Denys, Sam, Jan De Laat, Wouter Dreschler, Michael Hofmann, Astrid van Wieringen, and Jan Wouters. "Language-Independent Hearing Screening Based on Masked Recognition of Ecological Sounds." Trends in Hearing 23 (January 2019): 233121651986656. http://dx.doi.org/10.1177/2331216519866566.

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A language-independent automated self-test on tablet based on masked recognition of ecological sounds, the Sound Ear Check (SEC), was developed. In this test, 24 trials of eight different sounds are randomly presented in a noise that was spectrally shaped according to the average frequency spectra of the stimulus sounds, using a 1-up 2-down adaptive procedure. The test was evaluated in adults with normal hearing and hearing loss, and its feasibility was investigated in young children, who are the target population of this test. Following equalization of perceptual difficulty across sounds by applying level adjustments to the individual tokens, a reference curve with a steep slope of 18%/dB was obtained, resulting in a test with a high test–retest reliability of 1 dB. The SEC sound reception threshold was significantly associated with the averaged pure tone threshold ( r = .70), as well as with the speech reception threshold for the Digit Triplet Test ( r = .79), indicating that the SEC is susceptible to both audibility and signal-to-noise ratio loss. Sensitivity and specificity values on the order of magnitude of ∼70% and ∼80% to detect individuals with mild and moderate hearing loss, respectively, and ∼80% to detect individuals with slight speech-in-noise recognition difficulties were obtained. Homogeneity among sounds was verified in children. Psychometric functions fitted to the data indicated a steep slope of 16%/dB, and test–retest reliability of sound reception threshold estimates was 1.3 dB. A reference value of −9 dB signal-to-noise ratio was obtained. Test duration was around 6 minutes, including training and acclimatization.

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Nedzelski, Julian M., Charlotte M. Chiong, Marlene Z. Cashman, Susan G. Stanton, and David W. Rowed. "Hearing Preservation in Acoustic Neuroma Surgery: Value of Monitoring Cochlear Nerve Action Potentials." Otolaryngology–Head and Neck Surgery 111, no. 6 (December 1994): 703–9. http://dx.doi.org/10.1177/019459989411100602.

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This study reviews the hearing results in 80 consecutive patients who underwent complete removal of histologically proven acoustic neuromas by use of the suboccipital approach. Of these, 56 patients had successful monitoring of cochlear compound action potentials; 20 were not monitored because their surgery predated monitoring; and 4 had unsuccessful monitoring. A significant difference was found in hearing preservation rates between the group in whom compound action potential monitoring was performed and those in whom monitoring was either unavailable or failed ( p = 0.02). Overall, 38% (30 of 80) had preserved hearing. There were 51 patients in whom the click threshold for the cochlear compound action potential was measured during surgery. Twenty-one patients had a threshold shift of 20 dB or less, 15 (71%) of these retained serviceable hearing (speech reception threshold ≤50 dB; speech discrimination score ≥60%). Of 12 patients in whom the threshold shift was 30 to 60 dB, none had serviceable hearing after surgery. The click threshold shift was predictive of a significant postoperative hearing change ( p < 0.001).

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McNeil, M. L., M. Gulliver, D. P. Morris, F. M. Makki, and M. Bance. "Can audiometric results predict qualitative hearing improvements in bone-anchored hearing aid recipients?" Journal of Laryngology & Otology 128, no. 1 (December 16, 2013): 35–42. http://dx.doi.org/10.1017/s0022215113003150.

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AbstractIntroduction:Patients receiving a bone-anchored hearing aid have well-documented improvements in their quality of life and audiometric performance. However, the relationship between audiometric measurements and subjective improvement is not well understood.Methods:Adult patients enrolled in the Nova Scotia bone-anchored hearing aid programme were identified. The pure tone average for fitting the sound-field threshold, as well as the better and worse hearing ear bone conduction and air conduction levels, were collected pre-operatively. Recipients were asked to complete the Speech, Spatial and Qualities of Hearing questionnaire; their partners were asked to complete a pre- and post-bone anchored hearing aid fitting Hearing Handicap Inventory for Adults questionnaire.Results:Forty-eight patients who completed and returned the Speech, Spatial and Qualities of Hearing questionnaire had partners who completed the Hearing Handicap Inventory for Adults questionnaire. The results from the Speech, Spatial and Qualities of Hearing questionnaire correlated with the sound-field hearing threshold post-bone-anchored hearing aid fitting and the pure tone average of the better hearing ear bone conduction (total Speech, Spatial and Qualities of Hearing Scale to the pre-operative better hearing ear air curve (r = 0.3); worse hearing ear air curve (r = 0.27); post-operative, bone-anchored hearing aid-aided sound-field thresholds (r = 0.35)). An improvement in sound-field threshold correlated only with spatial abilities. In the Hearing Handicap Inventory for Adults questionnaire, there was no correlation between the subjective evaluation of each patient and their partner.Conclusion:The subjective impressions of hearing aid recipients with regards to speech reception and the spatial qualities of hearing correlate well with pre-operative audiometric results. However, the overall magnitude of sound-field improvement predicts an improvement of spatial perception, but not other aspects of hearing, resulting in hearing aid recipients having strongly disparate subjective impressions when compared to those of their partners.

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Rhebergen, Koenraad S., Niek J. Versfeld, and Wouter A. Dreschler. "The dynamic range of speech, compression, and its effect on the speech reception threshold in stationary and interrupted noise." Journal of the Acoustical Society of America 126, no. 6 (December 2009): 3236–45. http://dx.doi.org/10.1121/1.3257225.

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Versfeld, Niek J., and Laura Daalder. "Method for the development of sentence materials for efficient measurement of the speech reception threshold." Journal of the Acoustical Society of America 105, no. 2 (February 1999): 1250. http://dx.doi.org/10.1121/1.425996.

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Versfeld, Niek J., Laura Daalder, Joost M. Festen, and Tammo Houtgast. "Method for the selection of sentence materials for efficient measurement of the speech reception threshold." Journal of the Acoustical Society of America 107, no. 3 (March 2000): 1671–84. http://dx.doi.org/10.1121/1.428451.

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Yousefian, Nima, and Philipos C. Loizou. "Predicting the speech reception threshold of cochlear implant listeners using an envelope-correlation based measure." Journal of the Acoustical Society of America 132, no. 5 (November 2012): 3399–405. http://dx.doi.org/10.1121/1.4754539.

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Hernvig, Lotte Hagen, and Steen Østergaard Olsen. "Learning effect when using the Danish Hagerman sentences (Dantale II) to determine speech reception threshold." International Journal of Audiology 44, no. 9 (January 2005): 509–12. http://dx.doi.org/10.1080/14992020500189997.

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Rhebergen, Koenraad S., Niek J. Versfeld, and Wouter A. Dreschler. "Learning effect observed for the speech reception threshold in interrupted noise with normal hearing listeners." International Journal of Audiology 47, no. 4 (January 2008): 185–88. http://dx.doi.org/10.1080/14992020701883224.

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Bianco, Roberta, Gordon Mills, Mathilde de Kerangal, Stuart Rosen, and Maria Chait. "Reward Enhances Online Participants’ Engagement With a Demanding Auditory Task." Trends in Hearing 25 (January 2021): 233121652110259. http://dx.doi.org/10.1177/23312165211025941.

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Online recruitment platforms are increasingly used for experimental research. Crowdsourcing is associated with numerous benefits but also notable constraints, including lack of control over participants’ environment and engagement. In the context of auditory experiments, these limitations may be particularly detrimental to threshold-based tasks that require effortful listening. Here, we ask whether incorporating a performance-based monetary bonus improves speech reception performance of online participants. In two experiments, participants performed an adaptive matrix-type speech-in-noise task (where listeners select two key words out of closed sets). In Experiment 1, our results revealed worse performance in online ( N = 49) compared with in-lab ( N = 81) groups. Specifically, relative to the in-lab cohort, significantly fewer participants in the online group achieved very low thresholds. In Experiment 2 ( N = 200), we show that a monetary reward improved listeners’ thresholds to levels similar to those observed in the lab setting. Overall, the results suggest that providing a small performance-based bonus increases participants’ task engagement, facilitating a more accurate estimation of auditory ability under challenging listening conditions.

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Skarżyński, Henryk, Beata Dziendziel, Elżbieta Włodarczyk, and Piotr H. Skarżyński. "Three-year audiological outcomes of the latest generation middle ear transducer (MET) implant." European Archives of Oto-Rhino-Laryngology 277, no. 11 (May 13, 2020): 3013–19. http://dx.doi.org/10.1007/s00405-020-06031-6.

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Abstract Purpose To evaluate the long-term audiological outcomes and safety of the latest generation of middle ear transducer (MET) among a group of Polish patients. Methods Ten patients aged 48–72 years with bilateral sensorineural hearing loss (n = 8) and mixed hearing loss (n = 2) were included in this study. Pure tone audiometry, sound thresholds, word recognition scores in quiet and speech reception thresholds in noise were assessed. Medical and technical complication information was gathered. Results All the patients underwent unilateral implantation with the latest generation Cochlear MET between 2014 and 2016. Mean length of follow-up was 3.7 years. Compared to the unaided condition, the implant provided significant functional gain (mean M = 26.1 dB) at 12 months follow-up. Compared to before surgery, average word recognition in quiet at 65 dB and at 80 dB SPL, as well as speech reception threshold in noise, were significantly better at 12 months. However, postoperative air conduction thresholds 6 months after implantation worsened by 10.3 dB (standard deviation SD = 5.8 dB). Postoperatively, three patients had skin problems around the processor, and one of them completely resigned from using the device 5 months after activation. Technical failures occurred in 4 cases. There were 9 out of 10 patients who still used the MET, but only 5 of them used the processor regularly (every day). Conclusion Despite changes in the transducer implemented by the manufacturer, we observed a significant number of adverse events in users of the latest generation of MET.

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Journal articles on the topic 'Speech reception threshold'

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