Wide-Area Sound-Control System for Reducing Reverberation Using Power Envelope Inverse Filtering
Summary :
We propose a sound field control system to control the sound over a wide area within a room by reducing the influence of the reproduction space using power envelope inverse filtering (PEIF). Envelopes of the impulse response within the room have approximately the same shape at all observation points. Therefore, the proposed sound field control system can control with a small number of loudspeakers a wider area by reducing reverberation in the room through envelope processing. We present experimental data demonstrating that the proposed PEIF system can provide better control than a system that uses minimum phase inverse filtering (MPIF), which is conventionally used for reducing reverberation. Improvement was observed across the frequency band, especially above 1 kHz. Additionally, our PEIF system is more effective over the high-frequency range.
- Publication
- IEICE TRANSACTIONS on Fundamentals Vol.E96-A No.7 pp.1509-1517
- Publication Date
- 2013/07/01
- Publicized
- Online ISSN
- 1745-1337
- DOI
- 10.1587/transfun.E96.A.1509
- Type of Manuscript
- PAPER
- Category
- Engineering Acoustics
Authors
Ryohei NAKADA
TOSHIBA TEC SOLUTION SERVICES CORPORATION
Yutaka HASEGAWA
University of Toyama
Shigeki HIROBAYASHI
University of Toyama
Toshio YOSHIZAWA
University of Toyama
Tadanobu MISAWA
University of Toyama
Junya SUZUKI
Sony Corporation
Keyword
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Ryohei NAKADA, Yutaka HASEGAWA, Shigeki HIROBAYASHI, Toshio YOSHIZAWA, Tadanobu MISAWA, Junya SUZUKI, "Wide-Area Sound-Control System for Reducing Reverberation Using Power Envelope Inverse Filtering" in IEICE TRANSACTIONS on Fundamentals,
vol. E96-A, no. 7, pp. 1509-1517, July 2013, doi: 10.1587/transfun.E96.A.1509.
Abstract: We propose a sound field control system to control the sound over a wide area within a room by reducing the influence of the reproduction space using power envelope inverse filtering (PEIF). Envelopes of the impulse response within the room have approximately the same shape at all observation points. Therefore, the proposed sound field control system can control with a small number of loudspeakers a wider area by reducing reverberation in the room through envelope processing. We present experimental data demonstrating that the proposed PEIF system can provide better control than a system that uses minimum phase inverse filtering (MPIF), which is conventionally used for reducing reverberation. Improvement was observed across the frequency band, especially above 1 kHz. Additionally, our PEIF system is more effective over the high-frequency range.
URL: https://global.ieice.org/en_transactions/fundamentals/10.1587/transfun.E96.A.1509/_p
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@ARTICLE{e96-a_7_1509,
author={Ryohei NAKADA, Yutaka HASEGAWA, Shigeki HIROBAYASHI, Toshio YOSHIZAWA, Tadanobu MISAWA, Junya SUZUKI, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={Wide-Area Sound-Control System for Reducing Reverberation Using Power Envelope Inverse Filtering},
year={2013},
volume={E96-A},
number={7},
pages={1509-1517},
abstract={We propose a sound field control system to control the sound over a wide area within a room by reducing the influence of the reproduction space using power envelope inverse filtering (PEIF). Envelopes of the impulse response within the room have approximately the same shape at all observation points. Therefore, the proposed sound field control system can control with a small number of loudspeakers a wider area by reducing reverberation in the room through envelope processing. We present experimental data demonstrating that the proposed PEIF system can provide better control than a system that uses minimum phase inverse filtering (MPIF), which is conventionally used for reducing reverberation. Improvement was observed across the frequency band, especially above 1 kHz. Additionally, our PEIF system is more effective over the high-frequency range.},
keywords={},
doi={10.1587/transfun.E96.A.1509},
ISSN={1745-1337},
month={July},}
Copy
TY - JOUR
TI - Wide-Area Sound-Control System for Reducing Reverberation Using Power Envelope Inverse Filtering
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 1509
EP - 1517
AU - Ryohei NAKADA
AU - Yutaka HASEGAWA
AU - Shigeki HIROBAYASHI
AU - Toshio YOSHIZAWA
AU - Tadanobu MISAWA
AU - Junya SUZUKI
PY - 2013
DO - 10.1587/transfun.E96.A.1509
JO - IEICE TRANSACTIONS on Fundamentals
SN - 1745-1337
VL - E96-A
IS - 7
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - July 2013
AB - We propose a sound field control system to control the sound over a wide area within a room by reducing the influence of the reproduction space using power envelope inverse filtering (PEIF). Envelopes of the impulse response within the room have approximately the same shape at all observation points. Therefore, the proposed sound field control system can control with a small number of loudspeakers a wider area by reducing reverberation in the room through envelope processing. We present experimental data demonstrating that the proposed PEIF system can provide better control than a system that uses minimum phase inverse filtering (MPIF), which is conventionally used for reducing reverberation. Improvement was observed across the frequency band, especially above 1 kHz. Additionally, our PEIF system is more effective over the high-frequency range.
ER -
English
