JPS57161800A - Voice information filter - Google Patents
Voice information filterInfo
- Publication number
- JPS57161800A JPS57161800A JP56048174A JP4817481A JPS57161800A JP S57161800 A JPS57161800 A JP S57161800A JP 56048174 A JP56048174 A JP 56048174A JP 4817481 A JP4817481 A JP 4817481A JP S57161800 A JPS57161800 A JP S57161800A
- Authority
- JP
- Japan
- Prior art keywords
- voice information
- information filter
- filter
- voice
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56048174A JPS57161800A (en) | 1981-03-30 | 1981-03-30 | Voice information filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56048174A JPS57161800A (en) | 1981-03-30 | 1981-03-30 | Voice information filter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57161800A true JPS57161800A (en) | 1982-10-05 |
JPH0251200B2 JPH0251200B2 (en) | 1990-11-06 |
Family
ID=12796020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56048174A Granted JPS57161800A (en) | 1981-03-30 | 1981-03-30 | Voice information filter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57161800A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60140399A (en) * | 1983-12-28 | 1985-07-25 | 松下電器産業株式会社 | Noise remover |
JPS63500543A (en) * | 1985-07-01 | 1988-02-25 | モトロ−ラ・インコ−ポレ−テツド | noise suppression system |
JPH03236618A (en) * | 1990-02-13 | 1991-10-22 | Matsushita Electric Ind Co Ltd | Signal processing unit |
JPH04211523A (en) * | 1990-02-13 | 1992-08-03 | Matsushita Electric Ind Co Ltd | Signal processor and voice dialing telephone system |
WO2002080148A1 (en) * | 2001-03-28 | 2002-10-10 | Mitsubishi Denki Kabushiki Kaisha | Noise suppressor |
WO2005057552A1 (en) * | 2003-12-09 | 2005-06-23 | National Institute Of Advanced Industrial Science And Technology | Acoustic signal removal device, acoustic signal removal method, and acoustic signal removal program |
WO2005057551A1 (en) * | 2003-12-09 | 2005-06-23 | National Institute Of Advanced Industrial Science And Technology | Acoustic signal removal device, acoustic signal removal method, and acoustic signal removal program |
WO2005112007A1 (en) * | 2004-05-13 | 2005-11-24 | Fuji Television Network, Inc. | Acoustic signal removal device, acoustic signal removal method, and acoustic signal removal program |
JP2007517249A (en) * | 2003-12-29 | 2007-06-28 | ノキア コーポレイション | Method and apparatus for improving speech in the presence of background noise |
-
1981
- 1981-03-30 JP JP56048174A patent/JPS57161800A/en active Granted
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0239799B2 (en) * | 1983-12-28 | 1990-09-07 | Matsushita Electric Ind Co Ltd | |
JPS60140399A (en) * | 1983-12-28 | 1985-07-25 | 松下電器産業株式会社 | Noise remover |
JPS63500543A (en) * | 1985-07-01 | 1988-02-25 | モトロ−ラ・インコ−ポレ−テツド | noise suppression system |
JPH03236618A (en) * | 1990-02-13 | 1991-10-22 | Matsushita Electric Ind Co Ltd | Signal processing unit |
JPH04211523A (en) * | 1990-02-13 | 1992-08-03 | Matsushita Electric Ind Co Ltd | Signal processor and voice dialing telephone system |
US7349841B2 (en) | 2001-03-28 | 2008-03-25 | Mitsubishi Denki Kabushiki Kaisha | Noise suppression device including subband-based signal-to-noise ratio |
WO2002080148A1 (en) * | 2001-03-28 | 2002-10-10 | Mitsubishi Denki Kabushiki Kaisha | Noise suppressor |
US8412520B2 (en) | 2001-03-28 | 2013-04-02 | Mitsubishi Denki Kabushiki Kaisha | Noise reduction device and noise reduction method |
US7788093B2 (en) | 2001-03-28 | 2010-08-31 | Mitsubishi Denki Kabushiki Kaisha | Noise suppression device |
US7660714B2 (en) | 2001-03-28 | 2010-02-09 | Mitsubishi Denki Kabushiki Kaisha | Noise suppression device |
WO2005057552A1 (en) * | 2003-12-09 | 2005-06-23 | National Institute Of Advanced Industrial Science And Technology | Acoustic signal removal device, acoustic signal removal method, and acoustic signal removal program |
WO2005057551A1 (en) * | 2003-12-09 | 2005-06-23 | National Institute Of Advanced Industrial Science And Technology | Acoustic signal removal device, acoustic signal removal method, and acoustic signal removal program |
JP2007517249A (en) * | 2003-12-29 | 2007-06-28 | ノキア コーポレイション | Method and apparatus for improving speech in the presence of background noise |
WO2005112007A1 (en) * | 2004-05-13 | 2005-11-24 | Fuji Television Network, Inc. | Acoustic signal removal device, acoustic signal removal method, and acoustic signal removal program |
Also Published As
Publication number | Publication date |
---|---|
JPH0251200B2 (en) | 1990-11-06 |
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