Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
EA, SIP, SP |
2009-05-28 16:45 |
Hyogo |
|
Wideband noise reduction method based on zero phase signal analysis Yuki Kamamori, Arata Kawamura, Youji Iiguni (Osaka Univ.) EA2009-7 SIP2009-7 SP2009-12 |
In this paper, we investigate wideband noise reduction based on zero phase signal analysis.
The zero phase signal is de... [more] |
EA2009-7 SIP2009-7 SP2009-12 pp.35-38 |
EA, SIP, SP |
2009-05-28 17:15 |
Hyogo |
|
A pitch name estimator using inverse notch filter with adaptive threshold Makoto Shinoda, Gou Uchida, Arata Kawamura, Youji Iiguni (Osaka Univ.) EA2009-8 SIP2009-8 SP2009-13 |
We have proposed the method which estimates fundamental frequency (pitch) in musical signal using inverse notch filter.I... [more] |
EA2009-8 SIP2009-8 SP2009-13 pp.39-43 |
SIP, RCS |
2009-01-23 11:20 |
Kumamoto |
Kumamoto University |
Speech Enhancement Algorithm Based on Variable Speech Spectral Amplitude Distribution Thanhikam Weerawut, Arata Kawamura, Youji Iiguni (Osaka Univ.) SIP2008-153 RCS2008-201 |
In this paper, we propose a speech enhancement algorithm based on the MAP estimation using variable speech spectral ampl... [more] |
SIP2008-153 RCS2008-201 pp.173-176 |
SIS, SIP, IPSJ-AVM |
2008-09-26 13:30 |
Fukuoka |
Tobata Campus, Kyushu Institute of Technology |
A speech enhancement method using spectral probability density function of non-speech segments Arata Kawamura, Thanhikam Weerawut, Youji Iiguni (Osaka Univ.) SIP2008-101 SIS2008-36 |
In this paper, we propose a speech enhancement algorithm based on the MAP estimation using variable speech spectral dist... [more] |
SIP2008-101 SIS2008-36 pp.65-70 |
SIP, EA |
2008-05-30 13:15 |
Osaka |
Kansai Univ. |
White Noise and Impulse Noise Reduction Using Zero Phase Signal by Phase Estimation Yuki Kamamori, Arata Kawamura, Youji Iiguni (Osaka Univ.) EA2008-23 SIP2008-32 |
In this paper, we propose a new noise reduction method using zero phase signal. The zero phase signal is defined as the ... [more] |
EA2008-23 SIP2008-32 pp.33-38 |
SIP, EA |
2008-05-30 14:05 |
Osaka |
Kansai Univ. |
Periodic Noise Spectral Estimation by using ALE Yukoh Wakabayashi, Arata Kawamura, Youji Iiguni (Osaka Univ.) EA2008-25 SIP2008-34 |
A speech enhancement system with weighted noise estimator has been proposed. The speech enhancement system can dramatica... [more] |
EA2008-25 SIP2008-34 pp.45-50 |
SIS |
2007-12-11 13:25 |
Hyogo |
|
DSP implementation of a noise suppressor using lattice filter Arata Kawamura (Osaka Univ.) SIS2007-65 |
Communicating by the use of an emergency telephone in a tunnel in an expressway is not easy, because an ambient noise le... [more] |
SIS2007-65 pp.41-46 |
SIP, SIS, SP |
2007-09-27 13:30 |
Aichi |
Nagoya Inst. of Tech. |
A howling suppressor using distance measurement Arata Kawamura, Akira Sogami, Youji Iiguni (Osaka Univ.) SIP2007-88 SIS2007-24 SP2007-50 |
In this paper, we propose a howling canceller that uses a distance measure between the loudspeaker and the microphone, b... [more] |
SIP2007-88 SIS2007-24 SP2007-50 pp.31-36 |
EA, SIP |
2007-05-24 14:00 |
Osaka |
Osaka Univ. |
a fundamental frequency estimator using notch filter Keitaro Hoshiba, Arata Kawamura, Youji Iiguni (Osaka Univ.) EA2007-12 SIP2007-16 |
[more] |
EA2007-12 SIP2007-16 pp.31-36 |
EA, SIP |
2007-05-25 11:00 |
Osaka |
Osaka Univ. |
An adaptive howling canceller based on distance measurement Akira Sogami, Arata Kawamura, Youji Iiguni (Osaka Univ.) EA2007-20 SIP2007-24 |
We usually use a loudspeaker and a microphone at the speech and the concert and so on.
When we use them, howling someti... [more] |
EA2007-20 SIP2007-24 pp.15-20 |
EA, SIP |
2006-05-25 17:20 |
Hyogo |
EGRET Himeji |
an improved MAP spectral amplitude estimator for speech enhancement Arata Kawamura, Youji Iiguni (Osaka Univ.) |
[more] |
EA2006-15 SIP2006-19 pp.41-46 |