Relevant bibliographies by topics / Parametric Loudspeakers

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Parametric Loudspeakers'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Parametric Loudspeakers"

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Harada, Yuna, Kenta Iwai, Masato Nakayama, and Takanobu Nishiura. "3-D sound field reproduction with reverberation control on surround sound system by combining parametric and electro-dynamic loudspeakers." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 5 (2021): 1083–94. http://dx.doi.org/10.3397/in-2021-1751.

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Recently, with the development of video technology, 3-D sound field reproduction systems that can provide a high presence have attracted attention. Conventional systems with electro-dynamic loudspeakers have a problem that the sound image lacks sharpness when constructing a narrow sound image. To solve this problem, we utilize a parametric array loudspeaker which has sharp directivity by the straightness of ultrasounds. Parametric array loudspeakers can produce sharper sound images due to the sharper directivity and lower reverberation compared with electro-dynamic loudspeakers. However, it is
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Alunno, Marco. "Sound Straight Ahead: Parametric Speakers in Two Soundscape Installations." Leonardo Music Journal 28 (December 2018): 60–64. http://dx.doi.org/10.1162/lmj_a_01043.

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This article concerns the realization of two sound installations that use a parametric (directional) loudspeaker as a central element of their working systems. The Soundhouse is a rotating structure that projects sounds in a directional way. El bosque y las sombras is instead an interactive multimedia setting where the visitors can trigger sounds and affect a video projection by moving in an enclosed, soundproofed space. A short introduction to parametric loudspeakers is provided; then the concept and the construction aspects of both installations are presented. Finally, an overall aesthetic a
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Geng, Yuting, Ayano Hirose, Mizuki Iwagami, Masato Nakayama, and Takanobu Nishiura. "Enhanced Virtual Sound Source Construction Based on Wave Field Synthesis Using Crossfade Processing with Electro-Dynamic and Parametric Loudspeaker Arrays." Applied Sciences 14, no. 24 (2024): 11911. https://doi.org/10.3390/app142411911.

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Wave field synthesis (WFS) can be used to construct virtual sound sources (VSSs) with a loudspeaker array. Conventional methods using a single type of loudspeaker showed limited performance in distance perception. For example, WFS with electro-dynamic loudspeakers (EDLs) has the advantage of constructing VSSs near the loudspeaker, while WFS with parametric array loudspeakers (PALs) has the advantage of constructing VSSs far from the loudspeaker. In this paper, we propose a VSS construction method utilizing crossfade processing with both EDLs and PALs. The contribution of EDLs and PALs was bala
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Nakayama, Masato, Takuma Ekawa, Toru Takahashi, and Takanobu Nishiura. "Virtual Sound Source Construction Based on Direct-to-Reverberant Ratio Control Using Multiple Pairs of Parametric-Array Loudspeakers and Conventional Loudspeakers." Applied Sciences 15, no. 7 (2025): 3744. https://doi.org/10.3390/app15073744.

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We propose a new method for constructing a virtual sound source (VSS) based on the direct-to-reverberant ratio (DRR) of room impulse responses (RIRs), using multiple pairs of parametric-array loudspeakers (PALs) and conventional loudspeakers (hereafter referred to simply as loudspeakers). In this paper, we focus on the differences in the DRRs of the RIRs generated by PALs and loudspeakers. The DRR of an RIR is recognized as a key cue for distance perception. A PAL can achieve super-directivity using an array of ultrasonic transducers. Its RIR exhibits a high DRR, characterized by a large-ampli
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Harada, Yuna, Yuting Geng, Kenta Iwai, Masato Nakayama, and Takanobu Nishiura. "Subjective evaluation for sharp sound image construction based on reverberation control with surround sound system using parametric and electro-dynamic loudspeakers." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 265, no. 4 (2023): 3464–71. http://dx.doi.org/10.3397/in_2022_0493.

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3-D sound field reproduction systems can provide a high presence. These systems commonly use electro-dynamic loudspeakers. Electro-dynamic loudspeakers tend to construct diffuse sound images due to its wide directivity and high reverberation. In contrast, parametric array loudspeakers can construct sharp sound images due to its sharp directivity and low reverberation. On the other hand, it is difficult to provide reverberation presence by parametric array loudspeakers because of the sharp directivity. We have previously proposed a sharp sound image construction based on reverberation control w
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KYOUNO, Noboru. "Technology Trends on Parametric Loudspeakers." Proceedings of the Symposium on Environmental Engineering 2004.14 (2004): 120–23. http://dx.doi.org/10.1299/jsmeenv.2004.14.120.

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Bank, Jeevan G., and James J. Croft. "Power amplification for parametric loudspeakers." Journal of the Acoustical Society of America 123, no. 6 (2008): 4032. http://dx.doi.org/10.1121/1.2942422.

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Shi, Chuang, and Woon-Seng Gan. "Product directivity models for parametric loudspeakers." Journal of the Acoustical Society of America 131, no. 3 (2012): 1938–45. http://dx.doi.org/10.1121/1.3682035.

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Franken, D., K. Meerkotter, and J. Wassmuth. "Passive parametric modeling of dynamic loudspeakers." IEEE Transactions on Speech and Audio Processing 9, no. 8 (2001): 885–91. http://dx.doi.org/10.1109/89.966091.

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Miura, Syumpei, Kenta Iwai, Yoshiharu Soeta, and Takanobu Nishiura. "Upper hemisphere sound image control with horizontal-arranged loudspeakers based on parametric head-related transfer functions." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 5 (2021): 1072–82. http://dx.doi.org/10.3397/in-2021-1749.

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The 22.2 multichannel sound system has been developed for an ultra high-definition television system. This system consists of twenty two loudspeakers and two sub-woofers called low frequency effects, and can reproduce three-dimensional sound image appropriate to the ultra high-definition television system. However, this system has a problem of high cost to install. On the other hand, the multichannel sound system with horizontal-arranged loudspeakers has lower cost to install than full scale one. However, this system cannot reproduce an upper sound image. Therefore, in this paper, we propose t
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Dissertations / Theses on the topic "Parametric Loudspeakers"

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Sedlák, Jiří. "Ultrazvukový směrový reproduktor." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-316417.

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The master´s thesis deals with theoretical research and practical application of the principle of spreading acoustic waves through nonlinear medium. The theoretical part describes five different types of amplitude modulation and their mathematic representation, which were verified by the program Matlab. Next, the impedance characteristic of ultrasound PZT transducer was measured and the design of PWM modulator and class D amplifier was described. The practical part of the master´s thesis contains the realization of the parametric loudspeaker assembled from the class D amplifier and the PWM mod
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Hladký, David. "Realizace úzce směrového akustického měniče." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242007.

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The present final thesis discusses the transmission of a narrowly directional parametric sound beam through an amplitude-modulated ultrasonic wave, utilizing the effect of auto-demodulation in a nonlinear medium and ensuring the subsequent processing of the input signal for the parametric sound transmitter. Emphasis is placed on the mathematical tools that relate to parametric sound transmission in a nonlinear medium. The basic part of the thesis describes a parametric speaker and the associated amplitude modulation techniques, which constitute a major prerequisite for the processing of the tr
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Marathe, Vikrant A. "Analog Single Sideband-Pulse Width Modulation Processor for Parametric Acoustic Arrays." DigitalCommons@CalPoly, 2019. https://digitalcommons.calpoly.edu/theses/2056.

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Parametric acoustic arrays are ultrasonic-based loudspeakers that produce highly directive audio. The audio must first be preprocessed and modulated into an ultrasonic carrier before being emitted into the air, where it will self-demodulate in the far field. The resulting audio wave is proportional to the double time-derivative of the square of the modulation envelope. This thesis presents a fully analog processor which encodes the audio into two Pulse Width Modulated (PWM) signals in quadrature phase and sums them together to produce a Single Sideband (SSB) spectrum around the fundamental fre
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Friml, Vilém. "Měření nelineárních vlastností reproduktorů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-413247.

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This thesis deals with calculation of THD dependency on signal frequency and calculation of Rub & buzz distortion using MATLAB software. Thesis includes generation of signals suited for THD measurement, playback and recording using sound card and APx series 500 device. The APx device controlling and data acquisition by MATLAB is also addressed. Loudspeaker electric model is discussed for the use of Rub & buzz measurement.
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Hsueh, Yu-lung, and 薛毓龍. "Parametric Analysis and SPL Simulations of a Miniature Loudspeaker." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/29852663055589842271.

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Chen, Hui-Wen, and 陳惠雯. "Parametric Studies on the Flatness of Frequency response level of a Small Closed-Box Loudspeaker." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/83817153015285757907.

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碩士<br>國立臺灣科技大學<br>自動化及控制研究所<br>96<br>Abstract Frequency response curve is a crucial factor for the performance of a loudspeaker. This study aims to investigate the influence of different design parameters for a loudspeaker on the frequency response flatness within the effective bandwidth. In this study, the biggest inner volume of a small-sized loudspeaker was chosen as 1.5 times standard volume. The effective bandwidth range is 103-20k Hz. Firstly, the One-factor-at-a-time method is applied to evaluate the influence of single parameter (such as inner volume, material and thickness) on the fr
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Books on the topic "Parametric Loudspeakers"

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Yang, Jun, and Peifeng Ji. Parametric Array Loudspeakers. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3548-1.

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Book chapters on the topic "Parametric Loudspeakers"

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Yang, Jun, and Peifeng Ji. "Measurement of Parametric Array Loudspeakers." In Parametric Array Loudspeakers. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3548-1_4.

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Yang, Jun, and Peifeng Ji. "FPGA Implementation of Parametric Array Loudspeakers." In Parametric Array Loudspeakers. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3548-1_5.

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Yang, Jun, and Peifeng Ji. "Preprocessing Methods of Parametric Array Loudspeakers." In Parametric Array Loudspeakers. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3548-1_3.

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Yang, Jun, and Peifeng Ji. "Overview." In Parametric Array Loudspeakers. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3548-1_1.

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Yang, Jun, and Peifeng Ji. "Typical Applications of Parametric Array Loudspeakers." In Parametric Array Loudspeakers. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3548-1_7.

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Yang, Jun, and Peifeng Ji. "Beam Control of Parametric Array Loudspeakers." In Parametric Array Loudspeakers. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3548-1_6.

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Yang, Jun, and Peifeng Ji. "Directional Beam Calculation." In Parametric Array Loudspeakers. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3548-1_2.

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Zhong, Jiaxin, and Xiaojun Qiu. "Numerical Models for Parametric Array Loudspeakers." In Acoustic Waves Generated by Parametric Array Loudspeakers. CRC Press, 2024. http://dx.doi.org/10.1201/9781003354994-2.

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Zhong, Jiaxin, and Xiaojun Qiu. "Physical Basis for Parametric Array Loudspeakers (PALs)." In Acoustic Waves Generated by Parametric Array Loudspeakers. CRC Press, 2024. http://dx.doi.org/10.1201/9781003354994-1.

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Zhong, Jiaxin, and Xiaojun Qiu. "Steerable and Focusing PALs." In Acoustic Waves Generated by Parametric Array Loudspeakers. CRC Press, 2024. http://dx.doi.org/10.1201/9781003354994-6.

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Conference papers on the topic "Parametric Loudspeakers"

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Zhuang, Tao, Jiaxin Zhong, and Jing Lu. "The Feasibility of Sound Zone Control Using an Array of Parametric Array Loudspeakers." In 2024 IEEE 14th International Symposium on Chinese Spoken Language Processing (ISCSLP). IEEE, 2024. https://doi.org/10.1109/iscslp63861.2024.10800229.

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Ikezaki, Yoto, Yuting Geng, Masato Nakayama, and Takanobu Nishiura. "Virtual multi-boosted amplitude modulation toward high-pressure audible sound with parametric array loudspeakers." In 2024 Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC). IEEE, 2024. https://doi.org/10.1109/apsipaasc63619.2025.10848917.

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Ma, Wenyao, Yunxi Zhu, Fengyuan Hao, Liwen Qin, Fengyi Fan, and Jun Yang. "DeepPreNet: A Deep Learning Pre-Processing Method for Speech Distortion Correction in Parametric Array Loudspeaker." In ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, 2025. https://doi.org/10.1109/icassp49660.2025.10887903.

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Ee-Leng Tan, Woon-Seng Gan, and Jun Yang. "Preprocessing techniques for parametric loudspeakers." In 2008 International Conference on Audio, Language and Image Processing (ICALIP). IEEE, 2008. http://dx.doi.org/10.1109/icalip.2008.4590234.

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Shi, Chuang, and Yoshinobu Kajikawa. "Automatic gain control for parametric array loudspeakers." In 2016 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, 2016. http://dx.doi.org/10.1109/icassp.2016.7471743.

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Aoki, Shigeaki, Masayoshi Toba, and Norihisa Tsujita. "Characteristics of stereo reproduction with parametric loudspeakers." In INTERNATIONAL CONGRESS ON ULTRASONICS: Gdańsk 2011. AIP, 2012. http://dx.doi.org/10.1063/1.3703136.

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Mu, Yongsheng, Peifeng Ji, Wei Ji, Ming Wu, and Jun Yang. "Multipoint linearization of parametric loudspeakers using volterra filters." In 2014 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA). IEEE, 2014. http://dx.doi.org/10.1109/apsipa.2014.7041756.

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Aoki, Shigeaki, Kazuhiro Shimizu, and Kouki Itou. "Analysis of vertical sound image control with parametric loudspeakers." In 2017 ICU Honolulu: Sixth International Congress on Ultrasonics. Acoustical Society of America, 2017. http://dx.doi.org/10.1121/2.0000681.

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Tanaka, Kihiro, Chuang Shi, and Yoshinobu Kajikawa. "Multi-channel active noise control using parametric array loudspeakers." In 2014 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA). IEEE, 2014. http://dx.doi.org/10.1109/apsipa.2014.7041721.

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Farias, Felipe, and Waleed Abdulla. "On Rayleigh distance and absorption length of parametric loudspeakers." In 2015 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA). IEEE, 2015. http://dx.doi.org/10.1109/apsipa.2015.7415476.

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