JP4464484B2 - 雑音信号符号化装置および音声信号符号化装置 - Google Patents

雑音信号符号化装置および音声信号符号化装置 Download PDF

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Publication number
JP4464484B2
JP4464484B2 JP16854599A JP16854599A JP4464484B2 JP 4464484 B2 JP4464484 B2 JP 4464484B2 JP 16854599 A JP16854599 A JP 16854599A JP 16854599 A JP16854599 A JP 16854599A JP 4464484 B2 JP4464484 B2 JP 4464484B2
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Japan
Prior art keywords
signal
noise
speech
model
encoding
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Expired - Fee Related
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JP16854599A
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Japanese (ja)
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JP2000357000A (ja
Inventor
幸司 吉田
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 Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Application filed by Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP16854599A priority Critical patent/JP4464484B2/ja
Priority to EP00935511A priority patent/EP1120775A4/fr
Priority to PCT/JP2000/003526 priority patent/WO2000077774A1/fr
Priority to AU51037/00A priority patent/AU5103700A/en
Priority to CN00801092.7A priority patent/CN1313983A/zh
Publication of JP2000357000A publication Critical patent/JP2000357000A/ja
Application granted granted Critical
Publication of JP4464484B2 publication Critical patent/JP4464484B2/ja
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    • 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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/012—Comfort noise or silence coding
    • 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
    • G10L2021/02168—Noise filtering characterised by the method used for estimating noise the estimation exclusively taking place during speech pauses

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  • Engineering & Computer Science (AREA)
  • Computational Linguistics (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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP16854599A 1999-06-15 1999-06-15 雑音信号符号化装置および音声信号符号化装置 Expired - Fee Related JP4464484B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP16854599A JP4464484B2 (ja) 1999-06-15 1999-06-15 雑音信号符号化装置および音声信号符号化装置
EP00935511A EP1120775A4 (fr) 1999-06-15 2000-06-01 Codeur de signaux de bruit et codeur de signaux vocaux
PCT/JP2000/003526 WO2000077774A1 (fr) 1999-06-15 2000-06-01 Codeur de signaux de bruit et codeur de signaux vocaux
AU51037/00A AU5103700A (en) 1999-06-15 2000-06-01 Noise signal encoder and voice signal encoder
CN00801092.7A CN1313983A (zh) 1999-06-15 2000-06-01 噪声信号编码装置及语音信号编码装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16854599A JP4464484B2 (ja) 1999-06-15 1999-06-15 雑音信号符号化装置および音声信号符号化装置

Publications (2)

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JP2000357000A JP2000357000A (ja) 2000-12-26
JP4464484B2 true JP4464484B2 (ja) 2010-05-19

Family

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JP16854599A Expired - Fee Related JP4464484B2 (ja) 1999-06-15 1999-06-15 雑音信号符号化装置および音声信号符号化装置

Country Status (5)

Country Link
EP (1) EP1120775A4 (fr)
JP (1) JP4464484B2 (fr)
CN (1) CN1313983A (fr)
AU (1) AU5103700A (fr)
WO (1) WO2000077774A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4769121B2 (ja) * 2006-05-15 2011-09-07 日本電信電話株式会社 サーバ・クライアント型音声認識方法、装置およびサーバ・クライアント型音声認識プログラム、記録媒体
CN101715643B (zh) * 2007-06-27 2012-12-26 日本电气株式会社 多地点连接装置、信号分析以及装置、其方法及程序
CN101546557B (zh) * 2008-03-28 2011-03-23 展讯通信（上海）有限公司 用于音频内容识别的分类器参数更新方法
EP2380168A1 (fr) * 2008-12-19 2011-10-26 Nokia Corporation Appareil, procédé et programme informatique pour le codage
MY160265A (en) 2011-02-14 2017-02-28 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V Apparatus and Method for Encoding and Decoding an Audio Signal Using an Aligned Look-Ahead Portion
TWI488176B (zh) 2011-02-14 2015-06-11 Fraunhofer Ges Forschung 音訊信號音軌脈衝位置之編碼與解碼技術
JP5969513B2 (ja) 2011-02-14 2016-08-17 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 不活性相の間のノイズ合成を用いるオーディオコーデック
KR101424372B1 (ko) 2011-02-14 2014-08-01 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 랩핑 변환을 이용한 정보 신호 표현
PT2676270T (pt) 2011-02-14 2017-05-02 Fraunhofer Ges Forschung Codificação de uma parte de um sinal de áudio utilizando uma deteção de transiente e um resultado de qualidade
AR085794A1 (es) 2011-02-14 2013-10-30 Fraunhofer Ges Forschung Prediccion lineal basada en esquema de codificacion utilizando conformacion de ruido de dominio espectral
PL2676268T3 (pl) 2011-02-14 2015-05-29 Fraunhofer Ges Forschung Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej
PT3239978T (pt) 2011-02-14 2019-04-02 Fraunhofer Ges Forschung Codificação e descodificação de posições de pulso de faixas de um sinal de áudio
BR112013020324B8 (pt) 2011-02-14 2022-02-08 Fraunhofer Ges Forschung Aparelho e método para supressão de erro em fala unificada de baixo atraso e codificação de áudio
CN104469250B (zh) * 2013-09-23 2019-07-26 联想(北京)有限公司 一种信息处理方法及电子设备
EP3010017A1 (fr) * 2014-10-14 2016-04-20 Thomson Licensing Procédé et appareil pour séparer les données vocales issues des données contextuelles dans une communication audio
CN106971741B (zh) * 2016-01-14 2020-12-01 芋头科技（杭州）有限公司 实时将语音进行分离的语音降噪的方法及系统
CN117612539A (zh) * 2016-05-30 2024-02-27 索尼公司 视频音频处理设备、视频音频处理方法和存储介质

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2692104B2 (ja) * 1988-02-12 1997-12-17 株式会社日立製作所 音声多重化システム
JPH07129195A (ja) * 1993-11-05 1995-05-19 Nec Corp 音声復号化装置
JP3173639B2 (ja) * 1995-05-26 2001-06-04 株式会社エヌ・ティ・ティ・ドコモ 背景雑音更新システムおよび方法
JP2806308B2 (ja) * 1995-06-30 1998-09-30 日本電気株式会社 音声復号化装置
JP3259759B2 (ja) * 1996-07-22 2002-02-25 日本電気株式会社 音声信号伝送方法及び音声符号復号化システム
US5960389A (en) * 1996-11-15 1999-09-28 Nokia Mobile Phones Limited Methods for generating comfort noise during discontinuous transmission
JP3575967B2 (ja) * 1996-12-02 2004-10-13 沖電気工業株式会社 音声通信システムおよび音声通信方法
JP3119204B2 (ja) * 1997-06-27 2000-12-18 日本電気株式会社 音声符号化装置
JP2000122698A (ja) * 1998-10-19 2000-04-28 Mitsubishi Electric Corp 音声符号化装置
JP2003501925A (ja) * 1999-06-07 2003-01-14 エリクソン インコーポレイテッド パラメトリックノイズモデル統計値を用いたコンフォートノイズの生成方法及び装置

Also Published As

Publication number Publication date
WO2000077774A1 (fr) 2000-12-21
CN1313983A (zh) 2001-09-19
EP1120775A1 (fr) 2001-08-01
JP2000357000A (ja) 2000-12-26
AU5103700A (en) 2001-01-02
EP1120775A4 (fr) 2001-09-26

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