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Journal articles on the topic 'Speech processing systems'

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1

Ibragimova, Sayora. "THE ADVANTAGE OFTHEWAVELET TRANSFORM IN PROCESSING OF SPEECH SIGNALS." Technical Sciences 4, no. 3 (March 30, 2021): 37–41. http://dx.doi.org/10.26739/2181-9696-2021-3-6.

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This work deals with basic theory of wavelet transform and multi-scale analysis of speech signals, briefly reviewed the main differences between wavelet transform and Fourier transform in the analysis of speech signals. The possibilities to use the method of wavelet analysis to speech recognition systems and its main advantages. In most existing systems of recognition and analysis of speech sound considered as a stream of vectors whose elements are some frequency response. Therefore, the speech processing in real time using sequential algorithms requires computing resources with high performan
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Dasarathy, Belur V. "Robust speech processing." Information Fusion 5, no. 2 (June 2004): 75. http://dx.doi.org/10.1016/j.inffus.2004.02.002.

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3

Thompson, Laura A., and William C. Ogden. "Visible speech improves human language understanding: Implications for speech processing systems." Artificial Intelligence Review 9, no. 4-5 (October 1995): 347–58. http://dx.doi.org/10.1007/bf00849044.

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4

Scott, Sophie K., and Carolyn McGettigan. "The neural processing of masked speech." Hearing Research 303 (September 2013): 58–66. http://dx.doi.org/10.1016/j.heares.2013.05.001.

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5

M Tasbolatov, N. Mekebayev, O. Mamyrbayev, M. Turdalyuly, D. Oralbekova,. "Algorithms and architectures of speech recognition systems." Psychology and Education Journal 58, no. 2 (February 20, 2021): 6497–501. http://dx.doi.org/10.17762/pae.v58i2.3182.

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Digital processing of speech signal and the voice recognition algorithm is very important for fast and accurate automatic scoring of the recognition technology. A voice is a signal of infinite information. The direct analysis and synthesis of a complex speech signal is due to the fact that the information is contained in the signal.
 Speech is the most natural way of communicating people. The task of speech recognition is to convert speech into a sequence of words using a computer program.
 This article presents an algorithm of extracting MFCC for speech recognition. The MFCC algorit
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Delic, Vlado, Darko Pekar, Radovan Obradovic, and Milan Secujski. "Speech signal processing in ASR&TTS algorithms." Facta universitatis - series: Electronics and Energetics 16, no. 3 (2003): 355–64. http://dx.doi.org/10.2298/fuee0303355d.

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Speech signal processing and modeling in systems for continuous speech recognition and Text-to-Speech synthesis in Serbian language are described in this paper. Both systems are fully developed by the authors and do not use any third party software. Accuracy of the speech recognizer and intelligibility of the TTS system are in the range of the best solutions in the world, and all conditions are met for commercial use of these solutions.
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FUNAKOSHI, KOTARO, TAKENOBU TOKUNAGA, and HOZUMI TANAKA. "Processing Japanese Self-correction in Speech Dialog Systems." Journal of Natural Language Processing 10, no. 4 (2003): 33–53. http://dx.doi.org/10.5715/jnlp.10.4_33.

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8

Hills, A., and K. Scott. "Perceived degradation effects in packet speech systems." IEEE Transactions on Acoustics, Speech, and Signal Processing 35, no. 5 (May 1987): 699–701. http://dx.doi.org/10.1109/tassp.1987.1165187.

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9

Gransier, Robin, and Jan Wouters. "Neural auditory processing of parameterized speech envelopes." Hearing Research 412 (December 2021): 108374. http://dx.doi.org/10.1016/j.heares.2021.108374.

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10

Moon, Todd K., Jacob H. Gunther, Cortnie Broadus, Wendy Hou, and Nils Nelson. "Turbo Processing for Speech Recognition." IEEE Transactions on Cybernetics 44, no. 1 (January 2014): 83–91. http://dx.doi.org/10.1109/tcyb.2013.2247593.

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11

Arnold, Tim, and Helen J. A. Fuller. "An Ergonomic Framework for Researching and Designing Speech Recognition Technologies in Health Care with an Emphasis on Safety." Proceedings of the International Symposium on Human Factors and Ergonomics in Health Care 8, no. 1 (September 2019): 279–83. http://dx.doi.org/10.1177/2327857919081067.

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Automatic speech recognition (ASR) systems and speech interfaces are becoming increasingly prevalent. This includes increases in and expansion of use of these technologies for supporting work in health care. Computer-based speech processing has been extensively studied and developed over decades. Speech processing tools have been fine-tuned through the work of Speech and Language Researchers. Researchers have previously and continue to describe speech processing errors in medicine. The discussion provided in this paper proposes an ergonomic framework for speech recognition to expand and furthe
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12

Kai, Atsuhiko, and Seiichi Nakagawa. "Comparison of continuous speech recognition systems with unknown-word processing for speech disfluencies." Systems and Computers in Japan 29, no. 9 (August 1998): 43–53. http://dx.doi.org/10.1002/(sici)1520-684x(199808)29:9<43::aid-scj5>3.0.co;2-j.

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13

Cecinati, Riccardo. "Integrated processing unit, particularly for connected speech recognition systems." Journal of the Acoustical Society of America 92, no. 2 (August 1992): 1199–200. http://dx.doi.org/10.1121/1.403986.

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14

Marshall, Stephen. "Processing of audio and visual speech for telecommunication systems." Journal of Electronic Imaging 8, no. 3 (July 1, 1999): 263. http://dx.doi.org/10.1117/1.482675.

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15

Polifroni, Joseph, Imre Kiss, and Stephanie Seneff. "Speech for Content Creation." International Journal of Mobile Human Computer Interaction 3, no. 2 (April 2011): 35–49. http://dx.doi.org/10.4018/jmhci.2011040103.

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This paper proposes a paradigm for using speech to interact with computers, one that complements and extends traditional spoken dialogue systems: speech for content creation. The literature in automatic speech recognition (ASR), natural language processing (NLP), sentiment detection, and opinion mining is surveyed to argue that the time has come to use mobile devices to create content on-the-fly. Recent work in user modelling and recommender systems is examined to support the claim that using speech in this way can result in a useful interface to uniquely personalizable data. A data collection
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Auti, Dr Nisha, Atharva Pujari, Anagha Desai, Shreya Patil, Sanika Kshirsagar, and Rutika Rindhe. "Advanced Audio Signal Processing for Speaker Recognition and Sentiment Analysis." International Journal for Research in Applied Science and Engineering Technology 11, no. 5 (May 31, 2023): 1717–24. http://dx.doi.org/10.22214/ijraset.2023.51825.

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Abstract: Automatic Speech Recognition (ASR) technology has revolutionized human-computer interaction by allowing users to communicate with computer interfaces using their voice in a natural way. Speaker recognition is a biometric recognition method that identifies individuals based on their unique speech signal, with potential applications in security, communication, and personalization. Sentiment analysis is a statistical method that analyzes unique acoustic properties of the speaker's voice to identify emotions or sentiments in speech. This allows for automated speech recognition systems to
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17

Järvinen, Kari. "Digital speech processing: Speech coding, synthesis, and recognition." Signal Processing 30, no. 1 (January 1993): 133–34. http://dx.doi.org/10.1016/0165-1684(93)90056-g.

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18

Varga, A., and F. Fallside. "A technique for using multipulse linear predictive speech synthesis in text-to-speech type systems." IEEE Transactions on Acoustics, Speech, and Signal Processing 35, no. 4 (April 1987): 586–87. http://dx.doi.org/10.1109/tassp.1987.1165151.

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19

Moore, Thomas J., and Richard L. McKinley. "Research on Speech Processing for Military Avionics." Proceedings of the Human Factors Society Annual Meeting 30, no. 13 (September 1986): 1331–35. http://dx.doi.org/10.1177/154193128603001321.

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The Biological Acoustics Branch of the Armstrong Aerospace Medical Research Laboratory (AAMRL) is engaged in research in a number of speech related areas. This paper will describe the approach used to conduct research in the development and evaluation of military speech communication systems, mention the types of studies done using this approach and give examples of the types of data generated by these studies. Representative data will also be provided describing acoustic-phonetic changes that occur when speech is produced under acceleration.
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20

Fadel, Wiam, Toumi Bouchentouf, Pierre-André Buvet, and Omar Bourja. "Adapting Off-the-Shelf Speech Recognition Systems for Novel Words." Information 14, no. 3 (March 13, 2023): 179. http://dx.doi.org/10.3390/info14030179.

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Current speech recognition systems with fixed vocabularies have difficulties recognizing Out-of-Vocabulary words (OOVs) such as proper nouns and new words. This leads to misunderstandings or even failures in dialog systems. Ensuring effective speech recognition is crucial for the proper functioning of robot assistants. Non-native accents, new vocabulary, and aging voices can cause malfunctions in a speech recognition system. If this task is not executed correctly, the assistant robot will inevitably produce false or random responses. In this paper, we used a statistical approach based on dista
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21

Puder, Henning, and Gerhard Schmidt. "Applied speech and audio processing." Signal Processing 86, no. 6 (June 2006): 1121–23. http://dx.doi.org/10.1016/j.sigpro.2005.07.034.

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22

Salman, Hayder Mahmood, Vian S. Al Al-Doori, Hayder sharif, Wasfi Hameed4, and Rusul S. Bader. "Accurate Recognition of Natural language Using Machine Learning and Feature Fusion Processing." Fusion: Practice and Applications 10, no. 1 (2023): 128–42. http://dx.doi.org/10.54216/fpa.100108.

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To enhance the performance of Chinese language pronunciation evaluation and speech recognition systems, researchers are focusing on developing intelligent techniques for multilevel fusion processing of data, features, and decisions using deep learning-based computer-aided systems. With a combination of score level, rank level, and hybrid level fusion, as well as fusion optimization and fusion score improvement, these systems can effectively combine multiple models and sensors to improve the accuracy of information fusion. Additionally, intelligent systems for information fusion, including thos
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23

Ali Abumalloh, Rabab, Hasan Muaidi Al-Serhan, Othman Bin Ibrahim, and Waheeb Abu-Ulbeh. "Arabic Part-of-Speech Tagger, an Approach Based on Neural Network Modelling." International Journal of Engineering & Technology 7, no. 2.29 (May 22, 2018): 742. http://dx.doi.org/10.14419/ijet.v7i2.29.14009.

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POS-tagging gained the interest of researchers in computational linguistics sciences in the recent years. Part-of-speech tagging systems assign the proper grammatical tag or morpho-syntactical category labels automatically to every word in the corpus per its appearance on the text. POS-tagging serves as a fundamental and preliminary step in linguistic analysis which can help in developing many natural language processing applications such as: word processing systems, spell checking systems, building dictionaries and in parsing systems. Arabic language gained the interest of researchers which l
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24

Romeu, E. S., and V. I. Syryamkin. "Possibilities for applied joint speech processing and computer vision systems." IOP Conference Series: Materials Science and Engineering 516 (April 26, 2019): 012044. http://dx.doi.org/10.1088/1757-899x/516/1/012044.

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25

Bonte, Milene, Anke Ley, Wolfgang Scharke, and Elia Formisano. "Developmental refinement of cortical systems for speech and voice processing." NeuroImage 128 (March 2016): 373–84. http://dx.doi.org/10.1016/j.neuroimage.2016.01.015.

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26

Savchenko, L. V., and A. V. Savchenko. "Fuzzy Phonetic Encoding of Speech Signals in Voice Processing Systems." Journal of Communications Technology and Electronics 64, no. 3 (March 2019): 238–44. http://dx.doi.org/10.1134/s1064226919030173.

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27

Chen, Tsuhan. "Video signal processing systems and methods utilizing automated speech analysis." Journal of the Acoustical Society of America 112, no. 2 (2002): 368. http://dx.doi.org/10.1121/1.1507005.

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28

Weinstein, C. J. "Opportunities for advanced speech processing in military computer-based systems." Proceedings of the IEEE 79, no. 11 (1991): 1626–41. http://dx.doi.org/10.1109/5.118986.

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29

de Abreu, Caio Cesar Enside, Marco Aparecido Queiroz Duarte, Bruno Rodrigues de Oliveira, Jozue Vieira Filho, and Francisco Villarreal. "Regression-Based Noise Modeling for Speech Signal Processing." Fluctuation and Noise Letters 20, no. 03 (January 30, 2021): 2150022. http://dx.doi.org/10.1142/s021947752150022x.

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Speech processing systems are very important in different applications involving speech and voice quality such as automatic speech recognition, forensic phonetics and speech enhancement, among others. In most of them, the acoustic environmental noise is added to the original signal, decreasing the signal-to-noise ratio (SNR) and the speech quality by consequence. Therefore, estimating noise is one of the most important steps in speech processing whether to reduce it before processing or to design robust algorithms. In this paper, a new approach to estimate noise from speech signals is presente
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30

Ungureanu, Dan, Stefan-Adrian Toma, Ion-Dorinel Filip, Bogdan-Costel Mocanu, Iulian Aciobăniței, Bogdan Marghescu, Titus Balan, Mihai Dascalu, Ion Bica, and Florin Pop. "ODIN112–AI-Assisted Emergency Services in Romania." Applied Sciences 13, no. 1 (January 3, 2023): 639. http://dx.doi.org/10.3390/app13010639.

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The evolution of Natural Language Processing technologies transformed them into viable choices for various accessibility features and for facilitating interactions between humans and computers. A subset of them consists of speech processing systems, such as Automatic Speech Recognition, which became more accurate and more popular as a result. In this article, we introduce an architecture built around various speech processing systems to enhance Romanian emergency services. Our system is designed to help the operator evaluate various situations with the end goal of reducing the response times o
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31

Jamieson, Donald G., Vijay Parsa, Moneca C. Price, and James Till. "Interaction of Speech Coders and Atypical Speech II." Journal of Speech, Language, and Hearing Research 45, no. 4 (August 2002): 689–99. http://dx.doi.org/10.1044/1092-4388(2002/055).

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We investigated how standard speech coders, currently used in modern communication systems, affect the quality of the speech of persons who have common speech and voice disorders. Three standardized speech coders (GSM 6.10 RPELTP, FS1016 CELP, and FS1015 LPC) and two speech coders based on subband processing were evaluated for their performance. Coder effects were assessed by measuring the quality of speech samples both before and after processing by the speech coders. Speech quality was rated by 10 listeners with normal hearing on 28 different scales representing pitch and loudness changes, s
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32

Hu, J., C. C. Cheng, and W. H. Liu. "Processing of speech signals using a microphone array for intelligent robots." Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering 219, no. 2 (March 1, 2005): 133–43. http://dx.doi.org/10.1243/095965105x9461.

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For intelligent robots to interact with people, an efficient human-robot communication interface is very important (e.g. voice command). However, recognizing voice command or speech represents only part of speech communication. The physics of speech signals includes other information, such as speaker direction. Secondly, a basic element of processing the speech signal is recognition at the acoustic level. However, the performance of recognition depends greatly on the reception. In a noisy environment, the success rate can be very poor. As a result, prior to speech recognition, it is important
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33

Wu, Yixuan. "Application of deep learning-based speech signal processing technology in electronic communication." Applied and Computational Engineering 77, no. 1 (July 16, 2024): 106–11. http://dx.doi.org/10.54254/2755-2721/77/20240661.

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In recent years, the artificial intelligence boom triggered by deep learning is influencing and changing peoples lifestyles. People are no longer satisfied with human-computer interaction through simple text commands; instead, they look forward to more convenient and faster communication methods like voice interaction. Against the backdrop of innovative development, the application of speech signal processing systems is becoming increasingly widespread. Therefore, it is necessary to study the application of deep learning-based speech signal processing technology in electronic communication. Th
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34

Smither, Janan Al-Awar. "The Processing of Synthetic Speech by Older and Younger Adults." Proceedings of the Human Factors Society Annual Meeting 36, no. 2 (October 1992): 190–92. http://dx.doi.org/10.1177/154193129203600211.

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This experiment investigated the demands synthetic speech places on short term memory by comparing performance of old and young adults on an ordinary short term memory task. Items presented were generated by a human speaker or by a text-to-speech computer synthesizer. Results were consistent with the idea that the comprehension of synthetic speech imposes increased resource demands on the short term memory system. Older subjects performed significantly more poorly than younger subjects, and both groups performed more poorly with synthetic than with human speech. Findings suggest that short ter
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35

Chien, Jen-Tzung, and Man-Wai Mak. "Guest Editorial: Modern Speech Processing and Learning." Journal of Signal Processing Systems 92, no. 8 (July 9, 2020): 775–76. http://dx.doi.org/10.1007/s11265-020-01577-4.

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36

Islam, Rumana, Esam Abdel-Raheem, and Mohammed Tarique. "A Novel Pathological Voice Identification Technique through Simulated Cochlear Implant Processing Systems." Applied Sciences 12, no. 5 (February 25, 2022): 2398. http://dx.doi.org/10.3390/app12052398.

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This paper presents a pathological voice identification system employing signal processing techniques through cochlear implant models. The fundamentals of the biological process for speech perception are investigated to develop this technique. Two cochlear implant models are considered in this work: one uses a conventional bank of bandpass filters, and the other one uses a bank of optimized gammatone filters. The critical center frequencies of those filters are selected to mimic the human cochlear vibration patterns caused by audio signals. The proposed system processes the speech samples and
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37

Kazi, Sara. "SPEECH RECOGNITION SYSTEM." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 03 (March 22, 2024): 1–5. http://dx.doi.org/10.55041/ijsrem29567.

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Speech recognition technology has witnessed remarkable progress in recent years, fueled by advancements in machine learning, deep neural networks, and signal processing techniques. This paper presents a comprehensive review of the current state-of-the-art in speech recognition systems, highlighting key methodologies and breakthroughs that have contributed to their improved performance. The paper explores various aspects, including acoustic modeling, language modeling, and the integration of contextual information, shedding light on the challenges faced and innovative solutions proposed in the
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Yu, Sabrina, Sherryse Corrow, Jason JS Barton, and Andrea Albonico. "Facial Identity And Facial Speech Processing In Developmental Prosopagnosia." Journal of Vision 22, no. 14 (December 5, 2022): 3422. http://dx.doi.org/10.1167/jov.22.14.3422.

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39

Kosarev, Y. "Synergetics and 'insight' strategy for speech processing." Literary and Linguistic Computing 12, no. 2 (June 1, 1997): 113–18. http://dx.doi.org/10.1093/llc/12.2.113.

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40

Finke, Mareike, Pascale Sandmann, Hanna Bönitz, Andrej Kral, and Andreas Büchner. "Consequences of Stimulus Type on Higher-Order Processing in Single-Sided Deaf Cochlear Implant Users." Audiology and Neurotology 21, no. 5 (2016): 305–15. http://dx.doi.org/10.1159/000452123.

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Single-sided deaf subjects with a cochlear implant (CI) provide the unique opportunity to compare central auditory processing of the electrical input (CI ear) and the acoustic input (normal-hearing, NH, ear) within the same individual. In these individuals, sensory processing differs between their two ears, while cognitive abilities are the same irrespectively of the sensory input. To better understand perceptual-cognitive factors modulating speech intelligibility with a CI, this electroencephalography study examined the central-auditory processing of words, the cognitive abilities, and the sp
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41

Jamal, Marwa, and Tariq A. Hassan. "Speech Coding Using Discrete Cosine Transform and Chaotic Map." Ingénierie des systèmes d information 27, no. 4 (August 31, 2022): 673–77. http://dx.doi.org/10.18280/isi.270419.

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Recently, data of multimedia performs an exponentially blowing tendency, saturating daily life of humans. Various modalities of data, includes images, texts and video, plays important role in different aspects and has wide. However, the key problem of utilizing data of large scale is cost of processing and massive storage. Therefore, for efficient communications and for economical storage requires effective techniques of data compression to reduce the volume of data. Speech coding is a main problem in the area of digital speech processing. The process of converting the voice signals into a mor
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42

Resende, Natália, and Andy Way. "Can Google Translate Rewire Your L2 English Processing?" Digital 1, no. 1 (March 4, 2021): 66–85. http://dx.doi.org/10.3390/digital1010006.

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In this article, we address the question of whether exposure to the translated output of MT systems could result in changes in the cognitive processing of English as a second language (L2 English). To answer this question, we first conducted a survey with 90 Brazilian Portuguese L2 English speakers with the aim of understanding how and for what purposes they use web-based MT systems. To investigate whether MT systems are capable of influencing L2 English cognitive processing, we carried out a syntactic priming experiment with 32 Brazilian Portuguese speakers. We wanted to test whether speakers
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43

Yelle, Serena K., and Gina M. Grimshaw. "Hemispheric Specialization for Linguistic Processing of Sung Speech." Perceptual and Motor Skills 108, no. 1 (February 2009): 219–28. http://dx.doi.org/10.2466/pms.108.1.219-228.

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44

Ito, Takayuki, Alexis R. Johns, and David J. Ostry. "Left Lateralized Enhancement of Orofacial Somatosensory Processing Due to Speech Sounds." Journal of Speech, Language, and Hearing Research 56, no. 6 (December 2013): 1875–81. http://dx.doi.org/10.1044/1092-4388(2013/12-0226).

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Purpose Somatosensory information associated with speech articulatory movements affects the perception of speech sounds and vice versa, suggesting an intimate linkage between speech production and perception systems. However, it is unclear which cortical processes are involved in the interaction between speech sounds and orofacial somatosensory inputs. The authors examined whether speech sounds modify orofacial somatosensory cortical potentials that were elicited using facial skin perturbations. Method Somatosensory event-related potentials in EEG were recorded in 3 background sound conditions
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45

Abdusalomov, Akmalbek Bobomirzaevich, Furkat Safarov, Mekhriddin Rakhimov, Boburkhon Turaev, and Taeg Keun Whangbo. "Improved Feature Parameter Extraction from Speech Signals Using Machine Learning Algorithm." Sensors 22, no. 21 (October 24, 2022): 8122. http://dx.doi.org/10.3390/s22218122.

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Speech recognition refers to the capability of software or hardware to receive a speech signal, identify the speaker’s features in the speech signal, and recognize the speaker thereafter. In general, the speech recognition process involves three main steps: acoustic processing, feature extraction, and classification/recognition. The purpose of feature extraction is to illustrate a speech signal using a predetermined number of signal components. This is because all information in the acoustic signal is excessively cumbersome to handle, and some information is irrelevant in the identification ta
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46

Wingfield, Arthur, and Kimberly C. Lindfield. "Multiple Memory Systems in the Processing of Speech: Evidence from Aging." Experimental Aging Research 21, no. 2 (April 1995): 101–21. http://dx.doi.org/10.1080/03610739508254272.

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47

Murthy, Hema A., and B. Yegnanarayana. "Speech processing using group delay functions." Signal Processing 22, no. 3 (March 1991): 259–67. http://dx.doi.org/10.1016/0165-1684(91)90014-a.

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48

Ghezaiel, Wajdi, Amel Ben Slimane, and Ezzedine Ben Braiek. "On Usable Speech Detection by Linear Multi-Scale Decomposition for Speaker Identification." International Journal of Electrical and Computer Engineering (IJECE) 6, no. 6 (December 1, 2016): 2766. http://dx.doi.org/10.11591/ijece.v6i6.9844.

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&lt;p&gt;Usable speech is a novel concept of processing co-channel speech data. It is proposed to extract minimally corrupted speech that is considered useful for various speech processing systems. In this paper, we are interested for co-channel speaker identification (SID). We employ a new proposed usable speech extraction method based on the pitch information obtained from linear multi-scale decomposition by discrete wavelet transform. The idea is to retain the speech segments that have only one pitch detected and remove the others. Detected Usable speech was used as input for speaker identi
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Ghezaiel, Wajdi, Amel Ben Slimane, and Ezzedine Ben Braiek. "On Usable Speech Detection by Linear Multi-Scale Decomposition for Speaker Identification." International Journal of Electrical and Computer Engineering (IJECE) 6, no. 6 (December 1, 2016): 2766. http://dx.doi.org/10.11591/ijece.v6i6.pp2766-2772.

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&lt;p&gt;Usable speech is a novel concept of processing co-channel speech data. It is proposed to extract minimally corrupted speech that is considered useful for various speech processing systems. In this paper, we are interested for co-channel speaker identification (SID). We employ a new proposed usable speech extraction method based on the pitch information obtained from linear multi-scale decomposition by discrete wavelet transform. The idea is to retain the speech segments that have only one pitch detected and remove the others. Detected Usable speech was used as input for speaker identi
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50

Stork, David G. "SOURCES OF NEURAL STRUCTURE IN SPEECH AND LANGUAGE PROCESSING." International Journal of Neural Systems 02, no. 03 (January 1991): 159–67. http://dx.doi.org/10.1142/s0129065791000157.

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Because of the complexity and high dimensionality of the problem, speech recognition—perhaps more than any other problem of current interest in network research—will profit from human neurophysiology, psychoacoustics and psycholinguistics: approaches based exclusively on engineering principles will provide only limited benefits. Despite the great power of current learning algorithms in homogeneous or unstructured networks, a number of difficulties in speech recognition seem to indicate that homogeneous networks taken alone will be insufficient for the task, and that structure—representing cons
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