IEICE Trans

Akitoshi KATAOKA

Improving Power Spectra Estimation in 2-Dimensional Areas Using Number of Active Sound Sources Yusuke HIOKA Ken'ichi FURUYA Yoichi HANEDA Akitoshi KATAOKA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/01/01 Vol. E94-A No. 1 pp. 273-281 Type of Manuscript: PAPER Category: Engineering Acoustics Keyword: microphone array, power spectrum estimation, speech enhancement, 2-dimensional area, estimating source position,
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Robust Frequency Domain Acoustic Echo Cancellation Filter Employing Normalized Residual Echo Enhancement Suehiro SHIMAUCHI Yoichi HANEDA Akitoshi KATAOKA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/06/01 Vol. E91-A No. 6 pp. 1347-1356 Type of Manuscript: Special Section PAPER (Special Section on Acoustic Scene Analysis and Reproduction) Category: Keyword: adaptive filter, acoustic echo canceller, robust control,
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Enhancement of Sound Sources Located within a Particular Area Using a Pair of Small Microphone Arrays Yusuke HIOKA Kazunori KOBAYASHI Ken'ichi FURUYA Akitoshi KATAOKA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/02/01 Vol. E91-A No. 2 pp. 561-574 Type of Manuscript: PAPER Category: Engineering Acoustics Keyword: microphone array, noise suppression, spectrum emphasis, power spectrum estimation, non-negative least squares method,
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An Approach to Solve Local Minimum Problem in Sound Source and Microphone Localization Kazunori KOBAYASHI Ken'ichi FURUYA Yoichi HANEDA Akitoshi KATAOKA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2007/12/01 Vol. E90-A No. 12 pp. 2826-2834 Type of Manuscript: PAPER Category: Engineering Acoustics Keyword: microphone array, localization, local minimum, teleconference,
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Gradient-Limited Affine Projection Algorithm for Double-Talk-Robust and Fast-Converging Acoustic Echo Cancellation Suehiro SHIMAUCHI Yoichi HANEDA Akitoshi KATAOKA Akinori NISHIHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2007/03/01 Vol. E90-A No. 3 pp. 633-641 Type of Manuscript: PAPER Category: Engineering Acoustics Keyword: affine projection algorithm, acoustic echo canceller, double-talk, robust control,
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A G.711 Embedded Wideband Speech Coding for VoIP Conferences Yusuke HIWASAKI Hitoshi OHMURO Takeshi MORI Sachiko KURIHARA Akitoshi KATAOKA
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2006/09/01 Vol. E89-D No. 9 pp. 2542-2552 Type of Manuscript: PAPER Category: Speech and Hearing Keyword: wideband speech, VoIP, G.711, scalable coding, MCU, partial mixing, transcoding,
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Measuring the Perceived Importance of Speech Segments for Transmission over IP Networks Yusuke HIWASAKI Toru MORINAGA Jotaro IKEDO Akitoshi KATAOKA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/02/01 Vol. E89-B No. 2 pp. 326-333 Type of Manuscript: Special Section PAPER (Special Section on Multimedia QoS Evaluation and Management Technologies) Category: Keyword: scalable speech coding, multiple description coding, packet networks, VAD, QoS, VoIP, estimated MOS, linear regression model,
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A 6.4-kbit/s Variable-Bit-Rate Extension to the G.729 (CS-ACELP) Speech Coder Akitoshi KATAOKA Sachiko KURIHARA Shinji HAYASHI
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 1997/12/25 Vol. E80-D No. 12 pp. 1183-1189 Type of Manuscript: PAPER Category: Speech Processing and Acoustics Keyword: CELP coding, G.729, CS-ACELP, variable bit-rate, DSVD,
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A Low Complexity Speech Codec and Its Error Protection Jotaro IKEDO Akitoshi KATAOKA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/11/25 Vol. E80-B No. 11 pp. 1688-1695 Type of Manuscript: PAPER Category: Source Encoding Keyword: speech codec, low complexity, error protection, personal handy phone system,
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Improved CELP-Based Coding in a Noisy Environment Using a Trained Sparse Conjugate Codebook Akitoshi KATAOKA Sachiko KURIHARA Shinji HAYASHI Takehiro MORIYA
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 1996/02/25 Vol. E79-D No. 2 pp. 123-129 Type of Manuscript: PAPER Category: Speech Processing and Acoustics Keyword: CELP coding, conjugae fixed codebook, trained sparse codebook, speech quality in a noisy environment,
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