AU721270B2 - Noise reduction apparatus and noise reduction method - Google Patents
Noise reduction apparatus and noise reduction method Download PDFInfo
- Publication number
- AU721270B2 AU721270B2 AU13525/99A AU1352599A AU721270B2 AU 721270 B2 AU721270 B2 AU 721270B2 AU 13525/99 A AU13525/99 A AU 13525/99A AU 1352599 A AU1352599 A AU 1352599A AU 721270 B2 AU721270 B2 AU 721270B2
- Authority
- AU
- Australia
- Prior art keywords
- noise
- amplitude
- spectrum
- output
- power
- 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.)
- Ceased
Links
- 230000009467 reduction Effects 0.000 title claims description 146
- 238000000034 method Methods 0.000 title claims description 64
- 238000001228 spectrum Methods 0.000 claims description 174
- 230000009466 transformation Effects 0.000 claims description 43
- 230000001629 suppression Effects 0.000 claims description 21
- 238000002407 reforming Methods 0.000 claims description 16
- 230000001131 transforming effect Effects 0.000 claims description 10
- 230000007423 decrease Effects 0.000 claims description 7
- 230000006870 function Effects 0.000 description 19
- 238000011410 subtraction method Methods 0.000 description 19
- 230000008569 process Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 101150087426 Gnal gene Proteins 0.000 description 1
- 230000005534 acoustic noise Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L21/0232—Processing in the frequency domain
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
- G10L25/84—Detection of presence or absence of voice signals for discriminating voice from noise
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10/84174 | 1998-03-30 | ||
| JP8417498 | 1998-03-30 | ||
| PCT/JP1998/005512 WO1999050825A1 (fr) | 1998-03-30 | 1998-12-07 | Dispositif et procede de reduction de bruits |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU1352599A AU1352599A (en) | 1999-10-18 |
| AU721270B2 true AU721270B2 (en) | 2000-06-29 |
Family
ID=13823136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU13525/99A Ceased AU721270B2 (en) | 1998-03-30 | 1998-12-07 | Noise reduction apparatus and noise reduction method |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0992978A4 (fr) |
| KR (1) | KR100314332B1 (fr) |
| CN (1) | CN1258368A (fr) |
| AU (1) | AU721270B2 (fr) |
| CA (1) | CA2291826A1 (fr) |
| WO (1) | WO1999050825A1 (fr) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4162604B2 (ja) | 2004-01-08 | 2008-10-08 | 株式会社東芝 | 雑音抑圧装置及び雑音抑圧方法 |
| JP4423300B2 (ja) * | 2004-10-28 | 2010-03-03 | 富士通株式会社 | 雑音抑圧装置 |
| JP4873913B2 (ja) * | 2004-12-17 | 2012-02-08 | 学校法人早稲田大学 | 音源分離システムおよび音源分離方法、並びに音響信号取得装置 |
| GB2422237A (en) * | 2004-12-21 | 2006-07-19 | Fluency Voice Technology Ltd | Dynamic coefficients determined from temporally adjacent speech frames |
| US8160732B2 (en) | 2005-05-17 | 2012-04-17 | Yamaha Corporation | Noise suppressing method and noise suppressing apparatus |
| KR100686382B1 (ko) | 2005-07-08 | 2007-02-22 | 엔에이치엔(주) | 싱크 서버를 이용한 메신저 알림 시스템 및 방법 |
| CN1822092B (zh) * | 2006-03-28 | 2010-05-26 | 北京中星微电子有限公司 | 一种消除语音输入中背景噪声的方法及其装置 |
| CN101166232B (zh) * | 2006-10-19 | 2010-05-12 | 华晶科技股份有限公司 | 消除马达声音的方法及其数字影像撷取装置 |
| WO2009038136A1 (fr) * | 2007-09-19 | 2009-03-26 | Nec Corporation | Dispositif de suppression de bruit, son procédé et programme |
| US20120143604A1 (en) * | 2010-12-07 | 2012-06-07 | Rita Singh | Method for Restoring Spectral Components in Denoised Speech Signals |
| JP6182895B2 (ja) | 2012-05-01 | 2017-08-23 | 株式会社リコー | 処理装置、処理方法、プログラム及び処理システム |
| JP6216546B2 (ja) * | 2013-06-18 | 2017-10-18 | パイオニア株式会社 | ノイズ低減装置、放送受信装置及びノイズ低減方法 |
| JP2015206874A (ja) | 2014-04-18 | 2015-11-19 | 富士通株式会社 | 信号処理装置、信号処理方法、及び、プログラム |
| JP6687453B2 (ja) * | 2016-04-12 | 2020-04-22 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ | ステレオ再生装置 |
| JP6668995B2 (ja) | 2016-07-27 | 2020-03-18 | 富士通株式会社 | 雑音抑圧装置、雑音抑圧方法及び雑音抑圧用コンピュータプログラム |
| CN108831500B (zh) * | 2018-05-29 | 2023-04-28 | 平安科技（深圳）有限公司 | 语音增强方法、装置、计算机设备及存储介质 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0822297A (ja) * | 1994-07-07 | 1996-01-23 | Matsushita Commun Ind Co Ltd | 雑音抑圧装置 |
| JPH08221092A (ja) * | 1995-02-17 | 1996-08-30 | Hitachi Ltd | スペクトルサブトラクションを用いた雑音除去システム |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8801014D0 (en) * | 1988-01-18 | 1988-02-17 | British Telecomm | Noise reduction |
| US5710862A (en) * | 1993-06-30 | 1998-01-20 | Motorola, Inc. | Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals |
| CN1129486A (zh) * | 1993-11-30 | 1996-08-21 | 美国电报电话公司 | 通信系统中降低传输噪声的方法 |
| JP3565226B2 (ja) * | 1993-12-06 | 2004-09-15 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ノイズ低減システム、ノイズ低減装置及びこの装置を具える移動無線局 |
| SE505156C2 (sv) * | 1995-01-30 | 1997-07-07 | Ericsson Telefon Ab L M | Förfarande för bullerundertryckning genom spektral subtraktion |
| JP3484801B2 (ja) * | 1995-02-17 | 2004-01-06 | ソニー株式会社 | 音声信号の雑音低減方法及び装置 |
-
1998
- 1998-12-07 WO PCT/JP1998/005512 patent/WO1999050825A1/fr not_active Application Discontinuation
- 1998-12-07 AU AU13525/99A patent/AU721270B2/en not_active Ceased
- 1998-12-07 EP EP98957196A patent/EP0992978A4/fr not_active Withdrawn
- 1998-12-07 CA CA002291826A patent/CA2291826A1/fr not_active Abandoned
- 1998-12-07 CN CN98805620A patent/CN1258368A/zh active Pending
-
1999
- 1999-09-07 KR KR1019997008125A patent/KR100314332B1/ko not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0822297A (ja) * | 1994-07-07 | 1996-01-23 | Matsushita Commun Ind Co Ltd | 雑音抑圧装置 |
| JPH08221092A (ja) * | 1995-02-17 | 1996-08-30 | Hitachi Ltd | スペクトルサブトラクションを用いた雑音除去システム |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2291826A1 (fr) | 1999-10-07 |
| KR20000076037A (ko) | 2000-12-26 |
| WO1999050825A1 (fr) | 1999-10-07 |
| AU1352599A (en) | 1999-10-18 |
| EP0992978A1 (fr) | 2000-04-12 |
| KR100314332B1 (ko) | 2001-11-16 |
| EP0992978A4 (fr) | 2002-01-16 |
| CN1258368A (zh) | 2000-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGA | Letters patent sealed or granted (standard patent) |