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 (9)

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

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6438518B1 (en) * 1999-10-28 2002-08-20 Qualcomm Incorporated Method and apparatus for using coding scheme selection patterns in a predictive speech coder to reduce sensitivity to frame error conditions
CA2392640A1 (en) 2002-07-05 2004-01-05 Voiceage Corporation A method and device for efficient in-based dim-and-burst signaling and half-rate max operation in variable bit-rate wideband speech coding for cdma wireless systems
KR101125351B1 (ko) * 2003-12-19 2012-03-28 크리에이티브 테크놀로지 엘티디 디지털 이미지 처리 방법 및 시스템
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
WO2007040357A1 (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
KR101390188B1 (ko) * 2006-06-21 2014-04-30 삼성전자주식회사 적응적 고주파수영역 부호화 및 복호화 방법 및 장치
US9159333B2 (en) 2006-06-21 2015-10-13 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
WO2007148925A1 (en) 2006-06-21 2007-12-27 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
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
CN101657872B (zh) * 2007-04-26 2012-05-23 西门子公司 具有监控电路自动扩展功能的模块
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
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
KR101699898B1 (ko) 2011-02-14 2017-01-25 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치
KR101613673B1 (ko) 2011-02-14 2016-04-29 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 불활성 위상 동안에 잡음 합성을 사용하는 오디오 코덱
TWI479478B (zh) 2011-02-14 2015-04-01 弗勞恩霍夫爾協會 用以使用對齊的預看部分將音訊信號解碼的裝置與方法
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
TWI564882B (zh) 2011-02-14 2017-01-01 弗勞恩霍夫爾協會 利用重疊變換之資訊信號表示技術（一）
EP2676267B1 (en) 2011-02-14 2017-07-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of pulse positions of tracks of an audio signal
WO2012110448A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
MY165853A (en) 2011-02-14 2018-05-18 Fraunhofer Ges Forschung Linear prediction based coding scheme using spectral domain noise shaping
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
EP3067886A1 (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
CN115343007B (zh) * 2022-07-20 2024-11-08 上海卫星工程研究所 卫星运输冲击过程的等效正弦模拟方法和系统
CN121171235B (zh) * 2025-11-20 2026-02-06 马栏山音视频实验室 一种音频编码方法、装置、设备以及存储介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0215915A4 (en) * 1985-03-18 1987-11-25 Massachusetts Inst Technology TREATMENT OF ACOUSTIC WAVE SHAPES.
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
WO1999010719A1 (en) * 1997-08-29 1999-03-04 The Regents Of The University Of California Method and apparatus for hybrid coding of speech at 4kbps
DE69926821T2 (de) * 1998-01-22 2007-12-06 Deutsche Telekom Ag Verfahren zur signalgesteuerten Schaltung zwischen verschiedenen Audiokodierungssystemen
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
EP1259957B1 (en) 2006-09-27
CN1437747A (zh) 2003-08-20
EP1259957A1 (en) 2002-11-27
JP4907826B2 (ja) 2012-04-04
ATE341074T1 (de) 2006-10-15
KR100711047B1 (ko) 2007-04-24
JP2003525473A (ja) 2003-08-26
DE60031002T2 (de) 2007-05-10
ES2269112T3 (es) 2007-04-01
DE60031002D1 (de) 2006-11-09
WO2001065544A1 (en) 2001-09-07
CN1266674C (zh) 2006-07-26
KR20020081374A (ko) 2002-10-26
HK1055833A1 (en) 2004-01-21

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