JPS57161800A - Voice information filter - Google Patents

Voice information filter

Info

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
Application number
JP56048174A
Other languages
Japanese (ja)
Other versions
JPH0251200B2 (en
Inventor
Toshiyuki Sakai
Hiroshi Saitou
Masahiro Hamada
Hideki Fujie
Riyouji Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP56048174A priority Critical patent/JPS57161800A/en
Publication of JPS57161800A publication Critical patent/JPS57161800A/en
Publication of JPH0251200B2 publication Critical patent/JPH0251200B2/ja
Granted legal-status Critical Current

Links

JP56048174A 1981-03-30 1981-03-30 Voice information filter Granted JPS57161800A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (14)

* Cited by examiner, † Cited by third party
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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