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

Info

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
Authority
JP
Japan
Prior art keywords
signal
noise
speech
model
encoding
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.)
Expired - Fee Related
Application number
JP16854599A
Other languages
English (en)
Japanese (ja)
Other versions
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
Original Assignee
Panasonic Corp
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 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/de
Priority to AU51037/00A priority patent/AU5103700A/en
Priority to PCT/JP2000/003526 priority patent/WO2000077774A1/ja
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
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • 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

Landscapes

  • 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 (de) 1999-06-15 2000-06-01 Geräuschsignalkodierer und stimmensignalkodierer
AU51037/00A AU5103700A (en) 1999-06-15 2000-06-01 Noise signal encoder and voice signal encoder
PCT/JP2000/003526 WO2000077774A1 (fr) 1999-06-15 2000-06-01 Codeur de signaux de bruit et codeur de signaux vocaux
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)

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

Family

ID=15870014

Family Applications (1)

Application Number Title Priority Date Filing Date
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 (de)
JP (1) JP4464484B2 (de)
CN (1) CN1313983A (de)
AU (1) AU5103700A (de)
WO (1) WO2000077774A1 (de)

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 (de) * 2008-12-19 2011-10-26 Nokia Corporation Vorrichtung, verfahren und computerprogramm zur codierung
AU2012217215B2 (en) 2011-02-14 2015-05-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for error concealment in low-delay unified speech and audio coding (USAC)
EP3503098B1 (de) 2011-02-14 2023-08-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur decodierung eines audiosignals unter verwendung eines ausgerichteten look-ahead-abschnitts
EP2676268B1 (de) 2011-02-14 2014-12-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur verarbeitung eines dekodierten audiosignals in einem spektralbereich
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
TWI483245B (zh) 2011-02-14 2015-05-01 Fraunhofer Ges Forschung 利用重疊變換之資訊信號表示技術
TR201903388T4 (tr) 2011-02-14 2019-04-22 Fraunhofer Ges Forschung Bir ses sinyalinin parçalarının darbe konumlarının şifrelenmesi ve çözülmesi.
MY165853A (en) 2011-02-14 2018-05-18 Fraunhofer Ges Forschung Linear prediction based coding scheme using spectral domain noise shaping
RU2586838C2 (ru) * 2011-02-14 2016-06-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Аудиокодек, использующий синтез шума в течение неактивной фазы
EP2676270B1 (de) 2011-02-14 2017-02-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kodierung eines teils eines audiosignals anhand einer transientendetektion und eines qualitätsergebnisses
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 (de) * 2014-10-14 2016-04-20 Thomson Licensing Verfahren und Vorrichtung zur Trennung von Sprachdaten von Hintergrunddaten in der Audiokommunikation
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
KR102650850B1 (ko) 2016-05-30 2024-03-26 소니그룹주식회사 영상 음향 처리 장치 및 방법, 및 프로그램이 저장된 컴퓨터 판독 가능한 기록 매체

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
CN1145928C (zh) * 1999-06-07 2004-04-14 艾利森公司 用参数噪声模型统计量产生舒适噪声的方法及装置

Also Published As

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

Similar Documents

Publication Publication Date Title
JP4464484B2 (ja) 雑音信号符号化装置および音声信号符号化装置
EP0770987B1 (de) Verfahren und Vorrichtung zur Wiedergabe von Sprachsignalen, zur Dekodierung, zur Sprachsynthese und tragbares Funkendgerät
CN101715549B (zh) 嵌入在音频信号中的隐藏数据的恢复
JP4927257B2 (ja) 可変レートスピーチ符号化
CN101681627B (zh) 使用音调规则化及非音调规则化译码的信号编码方法及设备
JP4861271B2 (ja) 位相スペクトル情報をサブサンプリングする方法および装置
KR100603167B1 (ko) 시간 동기식 파형 보간법을 이용한 피치 프로토타입파형으로부터의 음성 합성
JP2006099124A (ja) デジタル無線チャネル上の自動音声／話者認識
JP4302978B2 (ja) 音声コーデックにおける擬似高帯域信号の推定システム
WO2001059757A2 (en) Method and apparatus for compression of speech encoded parameters
JP2004501391A (ja) 可変レート音声符号器におけるフレーム消去補償方法
JP2011237809A (ja) フレームエラーに対する感度を低減する符号化体系パターンを使用する予測音声コーダ
CN101136203A (zh) 信号处理设备、方法、记录介质和程序
EP1598811A2 (de) Dekodierungsvorrichtung und Dekodierungsverfahren
JPH10149199A (ja) 音声符号化方法、音声復号化方法、音声符号化装置、音声復号化装置、電話装置、ピッチ変換方法及び媒体
EP1382035A1 (de) Audiokodierung
JP3670217B2 (ja) 雑音符号化装置、雑音復号装置、雑音符号化方法および雑音復号方法
EP1355297A1 (de) Datenverarbeitungsgerät
JP6713424B2 (ja) 音声復号装置、音声復号方法、プログラム、および記録媒体
JP3954288B2 (ja) 音声符号化信号変換装置
JP4826580B2 (ja) 音声信号の再生方法及び装置
JPH1049200A (ja) 音声情報圧縮蓄積方法及び装置
KR20080092823A (ko) 부호화/복호화 장치 및 방법
JP4230550B2 (ja) 音声符号化方法及び装置、並びに音声復号化方法及び装置
JPH05276049A (ja) 音声符号化方法及びその装置

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060614

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20091020

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20091221

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100126

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100219

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130226

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 4464484

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130226

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140226

Year of fee payment: 4

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

LAPS Cancellation because of no payment of annual fees