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Nakagawa Akira

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Publication

Featured researches published by Nakagawa Akira.

Archive | 1998

ECHO ERASING METHOD FOR SUBBAND MULTICHANNEL VOICE COMMUNICATION CONFERENCE

Makino Shoji; Shimauchi Suehiro; Haneda Yoichi; Nakagawa Akira; Kojima Junji

Archive | 2009

ECHO SUPPRESSION GAIN ESTIMATION METHOD, ECHO CANCELER USING THE SAME, DEVICE PROGRAM AND RECORDING MEDIUM

Fukui Katsuhiro; Nakagawa Akira; Haneda Yoichi

Archive | 2010

ECHO CANCELLATION DEVICE, AND METHOD AND PROGRAM FOR THE SAME

Fukui Katsuhiro; Nakagawa Akira; Saito Shoichiro; Haneda Yoichi

Archive | 2010

ECHO CANCELLER, ECHO CANCELING METHOD, ECHO CANCELING PROGRAM, AND RECORDING MEDIUM

Saito Shoichiro; Nakagawa Akira; Shimauchi Suehiro; Haneda Yoichi

Archive | 2002

MULTI-CHANNEL ECHO ERASING METHOD AND ITS DEVICE AND PROGRAM RECORDING MEDIUM

Tanaka Masafumi; Nakagawa Akira; Sakauchi Kiyotaka; Haneda Yoichi

Archive | 1997

FREQUENCY BAND DIVISION-TYPE ECHO CANCELLOR

Nakagawa Akira; Haneda Yoichi; Makino Shoji; Shimauchi Suehiro; Kojima Junji

IEICE Technical Report; IEICE Tech. Rep. | 2008

Noise Power Estimation Based on Noise Ratio in Signal and Its Noise Reduction Performance

Fukui Masahiro; Shimauchi Suehiro; Nakagawa Akira; Haneda Yoichi; Kataoka Akitoshi

Archive | 2006

ECHO SUPPRESSION APPARATUS, ECHO SUPPRESSION METHOD, ECHO SUPPRESSION PROGRAM AND RECORDING MEDIUM THEREFOR

Fukui Katsuhiro; Nakagawa Akira; Saito Shoichiro; Haneda Yoichi

Archive | 2001

MULTI-CHANNEL ACOUSTICAL COUPLING GAIN REDUCING DEVICE

Shimauchi Suehiro; Nakagawa Akira; Makino Shoji; Haneda Yoichi

Archive | 2000

LOUD TALKING DEVICE

Nakagawa Akira; Shimauchi Suehiro; Tanaka Masafumi; Haneda Yoichi

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