DE69531471D1 - Mehrkanalsignalkodierung unter Verwendung gewichteter Vektorquantisierung - Google Patents

Mehrkanalsignalkodierung unter Verwendung gewichteter Vektorquantisierung

Info

Publication number
DE69531471D1
DE69531471D1 DE69531471T DE69531471T DE69531471D1 DE 69531471 D1 DE69531471 D1 DE 69531471D1 DE 69531471 T DE69531471 T DE 69531471T DE 69531471 T DE69531471 T DE 69531471T DE 69531471 D1 DE69531471 D1 DE 69531471D1
Authority
DE
Germany
Prior art keywords
channel signal
vector quantization
signal coding
weighted vector
weighted
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 - Lifetime
Application number
DE69531471T
Other languages
English (en)
Other versions
DE69531471T2 (de
Inventor
Takehiro Moriya
Naoki Iwakami
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of DE69531471D1 publication Critical patent/DE69531471D1/de
Application granted granted Critical
Publication of DE69531471T2 publication Critical patent/DE69531471T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/008—Vector quantisation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046—Systems or methods for reducing noise or bandwidth
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L2019/0001—Codebooks
    • G10L2019/0007—Codebook element generation
DE69531471T 1994-05-06 1995-05-05 Mehrkanalsignalkodierung unter Verwendung gewichteter Vektorquantisierung Expired - Lifetime DE69531471T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP9422794 1994-05-06
JP9422794 1994-05-06
JP17533594 1994-07-27
JP17533594 1994-07-27

Publications (2)

Publication Number Publication Date
DE69531471D1 true DE69531471D1 (de) 2003-09-18
DE69531471T2 DE69531471T2 (de) 2004-07-01

Family

ID=26435500

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69531471T Expired - Lifetime DE69531471T2 (de) 1994-05-06 1995-05-05 Mehrkanalsignalkodierung unter Verwendung gewichteter Vektorquantisierung

Country Status (3)

Country Link
US (1) US5651090A (de)
EP (1) EP0684705B1 (de)
DE (1) DE69531471T2 (de)

Families Citing this family (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2842276B2 (ja) * 1995-02-24 1998-12-24 日本電気株式会社 広帯域信号符号化装置
JP3307138B2 (ja) * 1995-02-27 2002-07-24 ソニー株式会社 信号符号化方法及び装置、並びに信号復号化方法及び装置
US5854858A (en) * 1995-06-07 1998-12-29 Girod; Bernd Image signal coder operating at reduced spatial resolution
JP3616432B2 (ja) * 1995-07-27 2005-02-02 日本電気株式会社 音声符号化装置
US5960390A (en) * 1995-10-05 1999-09-28 Sony Corporation Coding method for using multi channel audio signals
JP3680380B2 (ja) * 1995-10-26 2005-08-10 ソニー株式会社 音声符号化方法及び装置
JP2778567B2 (ja) * 1995-12-23 1998-07-23 日本電気株式会社 信号符号化装置及び方法
TW317051B (de) * 1996-02-15 1997-10-01 Philips Electronics Nv
DE69732746C5 (de) * 1996-02-15 2020-11-19 Koninklijke Philips N.V. Signalübertragungssystem mit verringerter komplexität
US5825320A (en) * 1996-03-19 1998-10-20 Sony Corporation Gain control method for audio encoding device
JP3094908B2 (ja) * 1996-04-17 2000-10-03 日本電気株式会社 音声符号化装置
JP3092653B2 (ja) * 1996-06-21 2000-09-25 日本電気株式会社 広帯域音声符号化装置及び音声復号装置並びに音声符号化復号装置
US5848391A (en) * 1996-07-11 1998-12-08 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Method subband of coding and decoding audio signals using variable length windows
CN1169117C (zh) * 1996-11-07 2004-09-29 松下电器产业株式会社 声源矢量生成装置以及声音编码装置和声音解码装置
US6345246B1 (en) * 1997-02-05 2002-02-05 Nippon Telegraph And Telephone Corporation Apparatus and method for efficiently coding plural channels of an acoustic signal at low bit rates
US5852614A (en) * 1997-05-29 1998-12-22 Trw Inc. Weighted interleaving for correlated channel coding
GB2369518B (en) * 1997-07-18 2002-07-17 British Broadcasting Corp Switching compressed video bitstreams
CN1124590C (zh) * 1997-09-10 2003-10-15 三星电子株式会社 改善话音信号编码器性能的方法
US6253173B1 (en) * 1997-10-20 2001-06-26 Nortel Networks Corporation Split-vector quantization for speech signal involving out-of-sequence regrouping of sub-vectors
US7733966B2 (en) * 1997-12-30 2010-06-08 Summit Technology Systems, Lp System and method for space diversified linear block interleaving
US6104994A (en) * 1998-01-13 2000-08-15 Conexant Systems, Inc. Method for speech coding under background noise conditions
JP3268750B2 (ja) * 1998-01-30 2002-03-25 株式会社東芝 音声合成方法及びシステム
JP3553356B2 (ja) * 1998-02-23 2004-08-11 パイオニア株式会社 線形予測パラメータのコードブック設計方法及び線形予測パラメータ符号化装置並びにコードブック設計プログラムが記録された記録媒体
CA2246532A1 (en) * 1998-09-04 2000-03-04 Northern Telecom Limited Perceptual audio coding
SE519563C2 (sv) 1998-09-16 2003-03-11 Ericsson Telefon Ab L M Förfarande och kodare för linjär prediktiv analys-genom- synteskodning
US6209094B1 (en) 1998-10-14 2001-03-27 Liquid Audio Inc. Robust watermark method and apparatus for digital signals
US6320965B1 (en) 1998-10-14 2001-11-20 Liquid Audio, Inc. Secure watermark method and apparatus for digital signals
US6219634B1 (en) * 1998-10-14 2001-04-17 Liquid Audio, Inc. Efficient watermark method and apparatus for digital signals
US6330673B1 (en) 1998-10-14 2001-12-11 Liquid Audio, Inc. Determination of a best offset to detect an embedded pattern
US6345100B1 (en) 1998-10-14 2002-02-05 Liquid Audio, Inc. Robust watermark method and apparatus for digital signals
US6665646B1 (en) * 1998-12-11 2003-12-16 At&T Corp. Predictive balanced multiple description coder for data compression
JP4482237B2 (ja) * 1999-01-07 2010-06-16 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 無損失エンコーダにおけるサイド情報の効率的な符号化
US6278385B1 (en) * 1999-02-01 2001-08-21 Yamaha Corporation Vector quantizer and vector quantization method
CA2290037A1 (en) * 1999-11-18 2001-05-18 Voiceage Corporation Gain-smoothing amplifier device and method in codecs for wideband speech and audio signals
US7010482B2 (en) * 2000-03-17 2006-03-07 The Regents Of The University Of California REW parametric vector quantization and dual-predictive SEW vector quantization for waveform interpolative coding
US6356213B1 (en) * 2000-05-31 2002-03-12 Lucent Technologies Inc. System and method for prediction-based lossless encoding
US7035873B2 (en) * 2001-08-20 2006-04-25 Microsoft Corporation System and methods for providing adaptive media property classification
US6963975B1 (en) * 2000-08-11 2005-11-08 Microsoft Corporation System and method for audio fingerprinting
SE519976C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
WO2002037476A1 (en) * 2000-11-03 2002-05-10 Koninklijke Philips Electronics N.V. Sinusoidal model based coding of audio signals
US6996522B2 (en) * 2001-03-13 2006-02-07 Industrial Technology Research Institute Celp-Based speech coding for fine grain scalability by altering sub-frame pitch-pulse
WO2002091599A2 (en) * 2001-05-08 2002-11-14 Comsat Corporation Method and apparatus for measuring adjacent satellite interference
US7242863B2 (en) * 2001-05-09 2007-07-10 Ciena Corporation Method and system for coordinating and utilizing channel power information in an optical communications network
WO2002091646A1 (en) * 2001-05-09 2002-11-14 Ciena Corporation Method and system for coordinating and utilizing channel power information in an optical communications network
US7243295B2 (en) * 2001-06-12 2007-07-10 Intel Corporation Low complexity channel decoders
JP4296752B2 (ja) * 2002-05-07 2009-07-15 ソニー株式会社 符号化方法及び装置、復号方法及び装置、並びにプログラム
US7275030B2 (en) * 2003-06-23 2007-09-25 International Business Machines Corporation Method and apparatus to compensate for fundamental frequency changes and artifacts and reduce sensitivity to pitch information in a frame-based speech processing system
US7672838B1 (en) * 2003-12-01 2010-03-02 The Trustees Of Columbia University In The City Of New York Systems and methods for speech recognition using frequency domain linear prediction polynomials to form temporal and spectral envelopes from frequency domain representations of signals
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
ATE442644T1 (de) * 2004-08-26 2009-09-15 Panasonic Corp Mehrkanalige signal-dekodierung
CN101116137B (zh) * 2005-02-10 2011-02-09 松下电器产业株式会社 语音编码中的脉冲分配方法
EP1691348A1 (de) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametrische kombinierte Kodierung von Audio-Quellen
EP1858006B1 (de) * 2005-03-25 2017-01-25 Panasonic Intellectual Property Corporation of America Toncodierungseinrichtung und toncodierungsverfahren
US8271275B2 (en) * 2005-05-31 2012-09-18 Panasonic Corporation Scalable encoding device, and scalable encoding method
DE102005039621A1 (de) * 2005-08-19 2007-03-01 Micronas Gmbh Verfahren und Vorrichtung zur adaptiven Reduktion von Rausch- und Hintergrundsignalen in einem sprachverarbeitenden System
RU2008114382A (ru) * 2005-10-14 2009-10-20 Панасоник Корпорэйшн (Jp) Кодер с преобразованием и способ кодирования с преобразованием
US20070094035A1 (en) * 2005-10-21 2007-04-26 Nokia Corporation Audio coding
US8332216B2 (en) * 2006-01-12 2012-12-11 Stmicroelectronics Asia Pacific Pte., Ltd. System and method for low power stereo perceptual audio coding using adaptive masking threshold
US7590523B2 (en) * 2006-03-20 2009-09-15 Mindspeed Technologies, Inc. Speech post-processing using MDCT coefficients
WO2007114290A1 (ja) * 2006-03-31 2007-10-11 Matsushita Electric Industrial Co., Ltd. ベクトル量子化装置、ベクトル逆量子化装置、ベクトル量子化方法及びベクトル逆量子化方法
US8392176B2 (en) * 2006-04-10 2013-03-05 Qualcomm Incorporated Processing of excitation in audio coding and decoding
BR122019024992B1 (pt) 2006-12-12 2021-04-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. Codificador, decodificador e métodos para codificação e decodificação de segmentos de dados representando uma corrente de dados de domínio de tempo
WO2008072736A1 (ja) * 2006-12-15 2008-06-19 Panasonic Corporation 適応音源ベクトル量子化装置および適応音源ベクトル量子化方法
US20080201490A1 (en) * 2007-01-25 2008-08-21 Schuyler Quackenbush Frequency domain data mixing method and apparatus
US8719012B2 (en) * 2007-06-15 2014-05-06 Orange Methods and apparatus for coding digital audio signals using a filtered quantizing noise
US20090198500A1 (en) * 2007-08-24 2009-08-06 Qualcomm Incorporated Temporal masking in audio coding based on spectral dynamics in frequency sub-bands
US8428957B2 (en) 2007-08-24 2013-04-23 Qualcomm Incorporated Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands
KR101545350B1 (ko) * 2008-02-01 2015-08-18 삼성전자주식회사 통신 시스템에서 기준 신호 송/수신 장치 및 방법
ES2406422T3 (es) * 2008-06-24 2013-06-06 Telefonaktiebolaget L M Ericsson (Publ) Esquema multimodo para codificación mejorada de audio
KR101756834B1 (ko) 2008-07-14 2017-07-12 삼성전자주식회사 오디오/스피치 신호의 부호화 및 복호화 방법 및 장치
EP2546994B1 (de) * 2010-03-09 2016-12-28 Nippon Telegraph And Telephone Corporation Kodierverfahren, dekodierverfahren sowie vorrichtung dafür, programm dafür und aufzeichnungsmedium
EP2661746B1 (de) * 2011-01-05 2018-08-01 Nokia Technologies Oy Mehrkanalige kodierung und/oder dekodierung
US8620646B2 (en) * 2011-08-08 2013-12-31 The Intellisis Corporation System and method for tracking sound pitch across an audio signal using harmonic envelope
JP5975243B2 (ja) * 2011-08-24 2016-08-23 ソニー株式会社 符号化装置および方法、並びにプログラム
CN103325373A (zh) 2012-03-23 2013-09-25 杜比实验室特许公司 用于传送和接收音频信号的方法和设备
US9460729B2 (en) 2012-09-21 2016-10-04 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
CA2898677C (en) * 2013-01-29 2017-12-05 Stefan Dohla Low-frequency emphasis for lpc-based coding in frequency domain
US9312826B2 (en) * 2013-03-13 2016-04-12 Kopin Corporation Apparatuses and methods for acoustic channel auto-balancing during multi-channel signal extraction
US20150025894A1 (en) * 2013-07-16 2015-01-22 Electronics And Telecommunications Research Institute Method for encoding and decoding of multi channel audio signal, encoder and decoder
CN104751850B (zh) * 2013-12-25 2021-04-02 北京天籁传音数字技术有限公司 一种用于音频信号的矢量量化编解码方法及装置
CN106165013B (zh) * 2014-04-17 2021-05-04 声代Evs有限公司 在声音信号编码器和解码器中使用的方法、设备和存储器
JP6387117B2 (ja) * 2015-01-30 2018-09-05 日本電信電話株式会社 符号化装置、復号装置、これらの方法、プログラム及び記録媒体
CN105957533B (zh) * 2016-04-22 2020-11-10 杭州微纳科技股份有限公司 语音压缩方法、语音解压方法及音频编码器、音频解码器
EP3617904A4 (de) * 2017-04-28 2020-04-29 Sony Corporation Informationsverarbeitungsvorrichtung und informationsverarbeitungsverfahren
US11538489B2 (en) 2019-06-24 2022-12-27 Qualcomm Incorporated Correlating scene-based audio data for psychoacoustic audio coding
US11361776B2 (en) * 2019-06-24 2022-06-14 Qualcomm Incorporated Coding scaled spatial components
CN113129910A (zh) * 2019-12-31 2021-07-16 华为技术有限公司 音频信号的编解码方法和编解码装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1184023B (it) * 1985-12-17 1987-10-22 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante analisi a sottobande e quantizzazione vettorariale con allocazione dinamica dei bit di codifica
EP0364647B1 (de) * 1988-10-19 1995-02-22 International Business Machines Corporation Vektorquantisierungscodierer
US4963030A (en) * 1989-11-29 1990-10-16 California Institute Of Technology Distributed-block vector quantization coder
DE69232343D1 (de) * 1991-08-13 2002-02-14 Canon Kk Bildübertragungsvorrichtung
JP3446216B2 (ja) * 1992-03-06 2003-09-16 ソニー株式会社 音声信号処理方法

Also Published As

Publication number Publication date
EP0684705A3 (de) 1997-02-05
EP0684705A2 (de) 1995-11-29
US5651090A (en) 1997-07-22
EP0684705B1 (de) 2003-08-13
DE69531471T2 (de) 2004-07-01

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