SG101517A1 - Multimode speech coding apparatus and decoding apparatus - Google Patents

Multimode speech coding apparatus and decoding apparatus

Info

Publication number
SG101517A1
SG101517A1 SG200107213A SG200107213A SG101517A1 SG 101517 A1 SG101517 A1 SG 101517A1 SG 200107213 A SG200107213 A SG 200107213A SG 200107213 A SG200107213 A SG 200107213A SG 101517 A1 SG101517 A1 SG 101517A1
Authority
SG
Singapore
Prior art keywords
speech coding
multimode speech
decoding apparatus
decoding
coding apparatus
Prior art date
Application number
SG200107213A
Other languages
English (en)
Inventor
Hiroyuki Ehara
Original Assignee
Matsushita Electric Ind 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 Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of SG101517A1 publication Critical patent/SG101517A1/en

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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 using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Analogue/Digital Conversion (AREA)
SG200107213A 1998-08-21 1999-08-20 Multimode speech coding apparatus and decoding apparatus SG101517A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23614798 1998-08-21
JP26688398A JP4308345B2 (ja) 1998-08-21 1998-09-21 マルチモード音声符号化装置及び復号化装置

Publications (1)

Publication Number Publication Date
SG101517A1 true SG101517A1 (en) 2004-01-30

Family

ID=26532515

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200107213A SG101517A1 (en) 1998-08-21 1999-08-20 Multimode speech coding apparatus and decoding apparatus

Country Status (10)

Country Link
US (1) US6334105B1 (pt)
EP (1) EP1024477B1 (pt)
JP (1) JP4308345B2 (pt)
KR (1) KR100367267B1 (pt)
CN (1) CN1236420C (pt)
AU (1) AU748597B2 (pt)
BR (1) BR9906706B1 (pt)
CA (1) CA2306098C (pt)
SG (1) SG101517A1 (pt)
WO (1) WO2000011646A1 (pt)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7072832B1 (en) 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
WO2001052241A1 (en) 2000-01-11 2001-07-19 Matsushita Electric Industrial Co., Ltd. Multi-mode voice encoding device and decoding device
DE10026872A1 (de) * 2000-04-28 2001-10-31 Deutsche Telekom Ag Verfahren zur Berechnung einer Sprachaktivitätsentscheidung (Voice Activity Detector)
US6728669B1 (en) * 2000-08-07 2004-04-27 Lucent Technologies Inc. Relative pulse position in celp vocoding
JP3467469B2 (ja) * 2000-10-31 2003-11-17 Necエレクトロニクス株式会社 音声復号装置および音声復号プログラムを記録した記録媒体
JP3558031B2 (ja) * 2000-11-06 2004-08-25 日本電気株式会社 音声復号化装置
DE60139144D1 (de) 2000-11-30 2009-08-13 Nippon Telegraph & Telephone Audio-dekodierer und audio-dekodierungsverfahren
JP3566220B2 (ja) 2001-03-09 2004-09-15 三菱電機株式会社 音声符号化装置、音声符号化方法、音声復号化装置及び音声復号化方法
US20020147585A1 (en) * 2001-04-06 2002-10-10 Poulsen Steven P. Voice activity detection
JP4231987B2 (ja) * 2001-06-15 2009-03-04 日本電気株式会社 音声符号化復号方式間の符号変換方法、その装置、そのプログラム及び記憶媒体
JP2003044098A (ja) * 2001-07-26 2003-02-14 Nec Corp 音声帯域拡張装置及び音声帯域拡張方法
WO2004006625A1 (en) * 2002-07-08 2004-01-15 Koninklijke Philips Electronics N.V. Audio processing
US7658816B2 (en) * 2003-09-05 2010-02-09 Tokyo Electron Limited Focus ring and plasma processing apparatus
KR20050049103A (ko) * 2003-11-21 2005-05-25 삼성전자주식회사 포만트 대역을 이용한 다이얼로그 인핸싱 방법 및 장치
WO2006009074A1 (ja) * 2004-07-20 2006-01-26 Matsushita Electric Industrial Co., Ltd. 音声復号化装置および補償フレーム生成方法
KR100677126B1 (ko) * 2004-07-27 2007-02-02 삼성전자주식회사 레코더 기기의 잡음 제거 장치 및 그 방법
US8265929B2 (en) * 2004-12-08 2012-09-11 Electronics And Telecommunications Research Institute Embedded code-excited linear prediction speech coding and decoding apparatus and method
US8233636B2 (en) 2005-09-02 2012-07-31 Nec Corporation Method, apparatus, and computer program for suppressing noise
KR100647336B1 (ko) * 2005-11-08 2006-11-23 삼성전자주식회사 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법
WO2007066771A1 (ja) * 2005-12-09 2007-06-14 Matsushita Electric Industrial Co., Ltd. 固定符号帳探索装置および固定符号帳探索方法
CN101145345B (zh) * 2006-09-13 2011-02-09 华为技术有限公司 音频分类方法
CN101145343B (zh) * 2006-09-15 2011-07-20 展讯通信(上海)有限公司 一种用于音频处理框架中的编码和解码方法
JP5050698B2 (ja) * 2007-07-13 2012-10-17 ヤマハ株式会社 音声処理装置およびプログラム
ES2639572T3 (es) 2008-01-16 2017-10-27 Iii Holdings 12, Llc Cuantificador vectorial, cuantificador inverso vectorial y procedimientos para los mismos
EP2109096B1 (en) * 2008-09-03 2009-11-18 Svox AG Speech synthesis with dynamic constraints
JP4516157B2 (ja) * 2008-09-16 2010-08-04 パナソニック株式会社 音声分析装置、音声分析合成装置、補正規則情報生成装置、音声分析システム、音声分析方法、補正規則情報生成方法、およびプログラム
CN105355209B (zh) * 2010-07-02 2020-02-14 杜比国际公司 音高增强后置滤波器
ES2588745T3 (es) * 2010-07-05 2016-11-04 Nippon Telegraph And Telephone Corporation Método de codificación, método de decodificación, dispositivo codificador, dispositivo decodificador, programa y medio de grabación
JP6070953B2 (ja) * 2011-02-26 2017-02-01 日本電気株式会社 信号処理装置、信号処理方法、及び記憶媒体
ES2575693T3 (es) 2011-11-10 2016-06-30 Nokia Technologies Oy Un método y un aparato para detectar tasa de muestreo de audio
US10447516B2 (en) 2012-11-27 2019-10-15 Nec Corporation Signal processing apparatus, signal processing method, and signal processing program
JP6300031B2 (ja) * 2012-11-27 2018-03-28 日本電気株式会社 信号処理装置、信号処理方法、および信号処理プログラム
MX346927B (es) 2013-01-29 2017-04-05 Fraunhofer Ges Forschung Énfasis de bajas frecuencias para codificación basada en lpc (codificación de predicción lineal) en el dominio de frecuencia.
US9728200B2 (en) 2013-01-29 2017-08-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding
TWI615834B (zh) * 2013-05-31 2018-02-21 Sony Corp 編碼裝置及方法、解碼裝置及方法、以及程式
CN110534122B (zh) * 2014-05-01 2022-10-21 日本电信电话株式会社 解码装置、及其方法、记录介质
US10049684B2 (en) * 2015-04-05 2018-08-14 Qualcomm Incorporated Audio bandwidth selection
CN108028045A (zh) 2015-07-06 2018-05-11 诺基亚技术有限公司 用于音频信号解码器的位错误检测器
JP6803241B2 (ja) * 2017-01-13 2020-12-23 アズビル株式会社 時系列データ処理装置および処理方法
CN109887519B (zh) * 2019-03-14 2021-05-11 北京芯盾集团有限公司 提高语音信道数据传输准确性的方法
CN116806000B (zh) * 2023-08-18 2024-01-30 广东保伦电子股份有限公司 一种多通道任意扩展的分布式音频矩阵

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4802221A (en) * 1986-07-21 1989-01-31 Ncr Corporation Digital system and method for compressing speech signals for storage and transmission
WO1996004646A1 (en) * 1994-08-05 1996-02-15 Qualcomm Incorporated Method and apparatus for performing reduced rate variable rate vocoding
EP0751494A1 (en) * 1994-12-21 1997-01-02 Sony Corporation Sound encoding system
US5596676A (en) * 1992-06-01 1997-01-21 Hughes Electronics Mode-specific method and apparatus for encoding signals containing speech

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL84948A0 (en) * 1987-12-25 1988-06-30 D S P Group Israel Ltd Noise reduction system
JPH0398318A (ja) * 1989-09-11 1991-04-23 Fujitsu Ltd 音声符号化方式
BR9206143A (pt) * 1991-06-11 1995-01-03 Qualcomm Inc Processos de compressão de final vocal e para codificação de taxa variável de quadros de entrada, aparelho para comprimir im sinal acústico em dados de taxa variável, codificador de prognóstico exitado por córdigo de taxa variável (CELP) e descodificador para descodificar quadros codificados
JPH06118993A (ja) * 1992-10-08 1994-04-28 Kokusai Electric Co Ltd 有声/無声判定回路
JPH06180948A (ja) * 1992-12-11 1994-06-28 Sony Corp ディジタル信号処理装置又は方法、及び記録媒体
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
US5602961A (en) * 1994-05-31 1997-02-11 Alaris, Inc. Method and apparatus for speech compression using multi-mode code excited linear predictive coding
GB2290201B (en) * 1994-06-09 1998-03-04 Motorola Ltd Communications system
JP3747492B2 (ja) * 1995-06-20 2006-02-22 ソニー株式会社 音声信号の再生方法及び再生装置
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
JPH10143195A (ja) 1996-11-14 1998-05-29 Olympus Optical Co Ltd ポストフィルタ
US6055619A (en) * 1997-02-07 2000-04-25 Cirrus Logic, Inc. Circuits, system, and methods for processing multiple data streams

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4802221A (en) * 1986-07-21 1989-01-31 Ncr Corporation Digital system and method for compressing speech signals for storage and transmission
US5596676A (en) * 1992-06-01 1997-01-21 Hughes Electronics Mode-specific method and apparatus for encoding signals containing speech
WO1996004646A1 (en) * 1994-08-05 1996-02-15 Qualcomm Incorporated Method and apparatus for performing reduced rate variable rate vocoding
EP0751494A1 (en) * 1994-12-21 1997-01-02 Sony Corporation Sound encoding system

Also Published As

Publication number Publication date
EP1024477A1 (en) 2000-08-02
EP1024477B1 (en) 2017-03-15
JP4308345B2 (ja) 2009-08-05
EP1024477A4 (en) 2002-04-24
KR100367267B1 (ko) 2003-01-14
BR9906706A (pt) 2000-08-08
WO2000011646A1 (fr) 2000-03-02
AU5442899A (en) 2000-03-14
CA2306098C (en) 2005-07-12
CA2306098A1 (en) 2000-03-02
BR9906706B1 (pt) 2015-02-10
CN1236420C (zh) 2006-01-11
AU748597B2 (en) 2002-06-06
US6334105B1 (en) 2001-12-25
JP2002023800A (ja) 2002-01-25
CN1275228A (zh) 2000-11-29
KR20010031251A (ko) 2001-04-16

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