AU2000233851A1 - Closed-loop multimode mixed-domain linear prediction speech coder - Google Patents

Closed-loop multimode mixed-domain linear prediction speech coder

Info

Publication number
AU2000233851A1
AU2000233851A1 AU2000233851A AU3385100A AU2000233851A1 AU 2000233851 A1 AU2000233851 A1 AU 2000233851A1 AU 2000233851 A AU2000233851 A AU 2000233851A AU 3385100 A AU3385100 A AU 3385100A AU 2000233851 A1 AU2000233851 A1 AU 2000233851A1
Authority
AU
Australia
Prior art keywords
coding mode
encoded
speech
domain coding
speech frame
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.)
Abandoned
Application number
AU2000233851A
Other languages
English (en)
Inventor
Amitava Das
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of AU2000233851A1 publication Critical patent/AU2000233851A1/en
Abandoned legal-status Critical Current

Links

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
    • G10L19/04—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 using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • 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

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)
  • Physical Or Chemical Processes And Apparatus (AREA)
AU2000233851A 2000-02-29 2000-02-29 Closed-loop multimode mixed-domain linear prediction speech coder Abandoned AU2000233851A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2000/005140 WO2001065544A1 (en) 2000-02-29 2000-02-29 Closed-loop multimode mixed-domain linear prediction speech coder

Publications (1)

Publication Number Publication Date
AU2000233851A1 true AU2000233851A1 (en) 2001-09-12

Family

ID=21741098

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2000233851A Abandoned AU2000233851A1 (en) 2000-02-29 2000-02-29 Closed-loop multimode mixed-domain linear prediction speech coder

Country Status (10)

Country Link
EP (1) EP1259957B1 (zh)
JP (1) JP4907826B2 (zh)
KR (1) KR100711047B1 (zh)
CN (1) CN1266674C (zh)
AT (1) ATE341074T1 (zh)
AU (1) AU2000233851A1 (zh)
DE (1) DE60031002T2 (zh)
ES (1) ES2269112T3 (zh)
HK (1) HK1055833A1 (zh)
WO (1) WO2001065544A1 (zh)

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US8442262B2 (en) * 2003-12-19 2013-05-14 Creative Technology Ltd. Method and system to process a digital image
US7739120B2 (en) 2004-05-17 2010-06-15 Nokia Corporation Selection of coding models for encoding an audio signal
CN101283406B (zh) * 2005-10-05 2013-06-19 Lg电子株式会社 信号处理的方法和装置以及编码和解码方法及其装置
WO2007040361A1 (en) * 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
KR100647336B1 (ko) * 2005-11-08 2006-11-23 삼성전자주식회사 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법
US9159333B2 (en) 2006-06-21 2015-10-13 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
US8010352B2 (en) 2006-06-21 2011-08-30 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
KR101390188B1 (ko) * 2006-06-21 2014-04-30 삼성전자주식회사 적응적 고주파수영역 부호화 및 복호화 방법 및 장치
CN101145345B (zh) * 2006-09-13 2011-02-09 华为技术有限公司 音频分类方法
KR101131880B1 (ko) * 2007-03-23 2012-04-03 삼성전자주식회사 오디오 신호의 인코딩 방법 및 장치, 그리고 오디오 신호의디코딩 방법 및 장치
KR101297120B1 (ko) * 2007-04-26 2013-08-21 지멘스 악티엔게젤샤프트 모니터링 회로가 자동적으로 연장되는 모듈
KR101756834B1 (ko) * 2008-07-14 2017-07-12 삼성전자주식회사 오디오/스피치 신호의 부호화 및 복호화 방법 및 장치
US8990094B2 (en) * 2010-09-13 2015-03-24 Qualcomm Incorporated Coding and decoding a transient frame
PL2676268T3 (pl) 2011-02-14 2015-05-29 Fraunhofer Ges Forschung Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej
AU2012217158B2 (en) 2011-02-14 2014-02-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Information signal representation using lapped transform
PL2676266T3 (pl) 2011-02-14 2015-08-31 Fraunhofer Ges Forschung Układ kodowania na bazie predykcji liniowej wykorzystujący kształtowanie szumu w dziedzinie widmowej
ES2535609T3 (es) 2011-02-14 2015-05-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de audio con estimación de ruido de fondo durante fases activas
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
CN103493129B (zh) 2011-02-14 2016-08-10 弗劳恩霍夫应用研究促进协会 用于使用瞬态检测及质量结果将音频信号的部分编码的装置与方法
PT2676267T (pt) 2011-02-14 2017-09-26 Fraunhofer Ges Forschung Codificação e descodificação de posições de pulso de faixas de um sinal de áudio
EP4243017A3 (en) 2011-02-14 2023-11-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method decoding an audio signal using an aligned look-ahead portion
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
EP2757558A1 (en) * 2013-01-18 2014-07-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Time domain level adjustment for audio signal decoding or encoding
US9685166B2 (en) 2014-07-26 2017-06-20 Huawei Technologies Co., Ltd. Classification between time-domain coding and frequency domain coding
EP3067887A1 (en) 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal
US10957331B2 (en) * 2018-12-17 2021-03-23 Microsoft Technology Licensing, Llc Phase reconstruction in a speech decoder

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US5023910A (en) * 1988-04-08 1991-06-11 At&T Bell Laboratories Vector quantization in a harmonic speech coding arrangement
JPH02288739A (ja) * 1989-04-28 1990-11-28 Fujitsu Ltd 音声符号復号化伝送方式
JP3680374B2 (ja) * 1995-09-28 2005-08-10 ソニー株式会社 音声合成方法
JPH10214100A (ja) * 1997-01-31 1998-08-11 Sony Corp 音声合成方法
US6233550B1 (en) * 1997-08-29 2001-05-15 The Regents Of The University Of California Method and apparatus for hybrid coding of speech at 4kbps
EP0932141B1 (en) * 1998-01-22 2005-08-24 Deutsche Telekom AG Method for signal controlled switching between different audio coding schemes
JPH11224099A (ja) * 1998-02-06 1999-08-17 Sony Corp 位相量子化装置及び方法

Also Published As

Publication number Publication date
KR20020081374A (ko) 2002-10-26
JP2003525473A (ja) 2003-08-26
HK1055833A1 (en) 2004-01-21
EP1259957B1 (en) 2006-09-27
EP1259957A1 (en) 2002-11-27
KR100711047B1 (ko) 2007-04-24
JP4907826B2 (ja) 2012-04-04
CN1437747A (zh) 2003-08-20
WO2001065544A1 (en) 2001-09-07
CN1266674C (zh) 2006-07-26
DE60031002D1 (de) 2006-11-09
DE60031002T2 (de) 2007-05-10
ATE341074T1 (de) 2006-10-15
ES2269112T3 (es) 2007-04-01

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