Channel-number-compressed multi-channel acoustic echo canceller for high-presence teleconferencing system with large display

A. Nakagawa; S. Shimauchi; Y. Haneda; S. Aoki; S. Makino

doi:10.1109/ICASSP.2000.859084

Channel-number-compressed multi-channel acoustic echo canceller for high-presence teleconferencing system with large display

A. Nakagawa, S. Shimauchi, Y. Haneda, S. Aoki, S. Makino

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

Sound localization is important to make conversation easy between local and remote sites in a teleconference. This requires a multi-channel sound system having a multi-channel acoustic echo canceller (MAEC). The appropriate number of channels is determined from a trade-off between high presence and MAEC performance, so it is not possible to increase the channel number by much. We propose a channel-number-compressed MAEC to provide teleconferencing systems that exhibit high presence. The channel number of the MAEC inputs is compressed and that of its outputs is expanded.

Original language	English
Title of host publication	Signal Processing Theory and Methods IIAudio and ElectroacusticsSpeech Processing I
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	813-816
Number of pages	4
ISBN (Electronic)	0780362934
DOIs	https://doi.org/10.1109/ICASSP.2000.859084
Publication status	Published - 2000
Externally published	Yes
Event	25th IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2000 - Istanbul, Turkey Duration: 2000 Jun 5 → 2000 Jun 9

Publication series

Name	ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
Volume	2
ISSN (Print)	1520-6149

Conference

Conference	25th IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2000
Country/Territory	Turkey
City	Istanbul
Period	00/6/5 → 00/6/9

ASJC Scopus subject areas

Software
Signal Processing
Electrical and Electronic Engineering

Access to Document

10.1109/ICASSP.2000.859084

Cite this

Nakagawa, A., Shimauchi, S., Haneda, Y., Aoki, S., & Makino, S. (2000). Channel-number-compressed multi-channel acoustic echo canceller for high-presence teleconferencing system with large display. In Signal Processing Theory and Methods IIAudio and ElectroacusticsSpeech Processing I (pp. 813-816). Article 859084 (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings; Vol. 2). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICASSP.2000.859084

Channel-number-compressed multi-channel acoustic echo canceller for high-presence teleconferencing system with large display. / Nakagawa, A.; Shimauchi, S.; Haneda, Y. et al.
Signal Processing Theory and Methods IIAudio and ElectroacusticsSpeech Processing I. Institute of Electrical and Electronics Engineers Inc., 2000. p. 813-816 859084 (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings; Vol. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Nakagawa, A, Shimauchi, S, Haneda, Y, Aoki, S & Makino, S 2000, Channel-number-compressed multi-channel acoustic echo canceller for high-presence teleconferencing system with large display. in Signal Processing Theory and Methods IIAudio and ElectroacusticsSpeech Processing I., 859084, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, vol. 2, Institute of Electrical and Electronics Engineers Inc., pp. 813-816, 25th IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2000, Istanbul, Turkey, 00/6/5. https://doi.org/10.1109/ICASSP.2000.859084

Nakagawa A, Shimauchi S, Haneda Y, Aoki S, Makino S. Channel-number-compressed multi-channel acoustic echo canceller for high-presence teleconferencing system with large display. In Signal Processing Theory and Methods IIAudio and ElectroacusticsSpeech Processing I. Institute of Electrical and Electronics Engineers Inc. 2000. p. 813-816. 859084. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings). doi: 10.1109/ICASSP.2000.859084

Nakagawa, A. ; Shimauchi, S. ; Haneda, Y. et al. / Channel-number-compressed multi-channel acoustic echo canceller for high-presence teleconferencing system with large display. Signal Processing Theory and Methods IIAudio and ElectroacusticsSpeech Processing I. Institute of Electrical and Electronics Engineers Inc., 2000. pp. 813-816 (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings).

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abstract = "Sound localization is important to make conversation easy between local and remote sites in a teleconference. This requires a multi-channel sound system having a multi-channel acoustic echo canceller (MAEC). The appropriate number of channels is determined from a trade-off between high presence and MAEC performance, so it is not possible to increase the channel number by much. We propose a channel-number-compressed MAEC to provide teleconferencing systems that exhibit high presence. The channel number of the MAEC inputs is compressed and that of its outputs is expanded.",

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Channel-number-compressed multi-channel acoustic echo canceller for high-presence teleconferencing system with large display

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