DE502004003807D1 - Prädiktives codierungsschema - Google Patents

Prädiktives codierungsschema

Info

Publication number
DE502004003807D1
DE502004003807D1 DE502004003807T DE502004003807T DE502004003807D1 DE 502004003807 D1 DE502004003807 D1 DE 502004003807D1 DE 502004003807 T DE502004003807 T DE 502004003807T DE 502004003807 T DE502004003807 T DE 502004003807T DE 502004003807 D1 DE502004003807 D1 DE 502004003807D1
Authority
DE
Germany
Prior art keywords
information signal
predictive
adaption
adaption rate
decoding
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.)
Active
Application number
DE502004003807T
Other languages
English (en)
Inventor
Gerald Schuller
Manfred Lutzky
Ulrich Kraemer
Stefan Wabnik
Jens Hirschfeld
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.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Publication of DE502004003807D1 publication Critical patent/DE502004003807D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02Speech 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
    • G10L19/022Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025Detection of transients or attacks for time/frequency resolution switching
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L2019/0001Codebooks
    • G10L2019/0013Codebook search algorithms
    • G10L2019/0014Selection criteria for distances
DE502004003807T 2004-02-13 2004-12-20 Prädiktives codierungsschema Active DE502004003807D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004007185A DE102004007185B3 (de) 2004-02-13 2004-02-13 Prädiktives Codierungsschema
PCT/EP2004/014496 WO2005083683A1 (de) 2004-02-13 2004-12-20 Prädiktives codierungsschema

Publications (1)

Publication Number Publication Date
DE502004003807D1 true DE502004003807D1 (de) 2007-06-21

Family

ID=34625823

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102004007185A Expired - Lifetime DE102004007185B3 (de) 2004-02-13 2004-02-13 Prädiktives Codierungsschema
DE502004003807T Active DE502004003807D1 (de) 2004-02-13 2004-12-20 Prädiktives codierungsschema

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102004007185A Expired - Lifetime DE102004007185B3 (de) 2004-02-13 2004-02-13 Prädiktives Codierungsschema

Country Status (17)

Country Link
US (1) US7386446B2 (de)
EP (1) EP1700293B1 (de)
JP (1) JP4351260B2 (de)
KR (1) KR100852483B1 (de)
CN (1) CN1914670B (de)
AT (1) ATE362169T1 (de)
AU (1) AU2004316541B2 (de)
BR (1) BRPI0418389B1 (de)
CA (1) CA2556024C (de)
DE (2) DE102004007185B3 (de)
ES (1) ES2285551T3 (de)
HK (1) HK1094080A1 (de)
IL (1) IL177124A (de)
NO (1) NO338722B1 (de)
PT (1) PT1700293E (de)
RU (1) RU2345426C2 (de)
WO (1) WO2005083683A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8218634B2 (en) * 2005-01-13 2012-07-10 Ntt Docomo, Inc. Nonlinear, in-the-loop, denoising filter for quantization noise removal for hybrid video compression
US11128601B2 (en) * 2007-08-28 2021-09-21 Spencer Health Solutions, Llc Methods, systems, and computer program products for compiling information for use in a command script for a product dispensing system
EP2466580A1 (de) * 2010-12-14 2012-06-20 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Codierer und Verfahren zur prädiktiven Codierung, Decodierer und Verfahren zur Decodierung, System und Verfahren zur prädiktiven Codierung und Decodierung und prädiktiv codiertes Informationssignal
CN102436215B (zh) * 2011-11-24 2013-06-05 重庆大学 数控冲花打孔机并行控制加工时间虚拟计算方法
JP5994073B2 (ja) * 2013-01-31 2016-09-21 株式会社アクセル 音声信号圧縮装置及び音声信号圧縮方法
ES2710338T3 (es) 2016-05-10 2019-04-24 Von Sobbe Hans Ulrich Sistema de análisis

Family Cites Families (21)

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Publication number Priority date Publication date Assignee Title
US535299A (en) * 1895-03-05 Combined telegraph and telephone system
US3631520A (en) * 1968-08-19 1971-12-28 Bell Telephone Labor Inc Predictive coding of speech signals
US3931596A (en) * 1974-09-30 1976-01-06 Bell Telephone Laboratories, Incorporated Adaptive quantizer apparatus using training mode
US4475227A (en) * 1982-04-14 1984-10-02 At&T Bell Laboratories Adaptive prediction
US4518950A (en) * 1982-10-22 1985-05-21 At&T Bell Laboratories Digital code converter
US4751736A (en) * 1985-01-31 1988-06-14 Communications Satellite Corporation Variable bit rate speech codec with backward-type prediction and quantization
US4677423A (en) * 1986-01-06 1987-06-30 American Telephone & Telegraph, At&T Bell Laboratories ADPCM coder-decoder including partial band energy transition detection
DE3714589A1 (de) * 1987-05-01 1988-11-10 Standard Elektrik Lorenz Ag Videosignal-codierer mit dpcm und adaptiver praediktion
JP3509862B2 (ja) * 1993-05-05 2004-03-22 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴイ 少なくとも1個のコーダを有する伝送システム
US5535299A (en) * 1993-11-02 1996-07-09 Pacific Communication Sciences, Inc. Adaptive error control for ADPCM speech coders
JP3224465B2 (ja) * 1993-12-22 2001-10-29 シャープ株式会社 画像符号化装置
GB9509831D0 (en) * 1995-05-15 1995-07-05 Gerzon Michael A Lossless coding method for waveform data
DE19526366A1 (de) * 1995-07-20 1997-01-23 Bosch Gmbh Robert Verfahren zur Redundanzreduktion bei der Codierung von mehrkanaligen Signalen und Vorrichtung zur Dekodierung von redundanzreduzierten, mehrkanaligen Signalen
GB2318029B (en) * 1996-10-01 2000-11-08 Nokia Mobile Phones Ltd Audio coding method and apparatus
JP3348612B2 (ja) * 1996-10-31 2002-11-20 日本ビクター株式会社 ブロック間予測符号化装置、ブロック間予測復号化装置、ブロック間予測符号化方法、ブロック間予測復号化方法、及びブロック間予測符号化復号化装置
US6078620A (en) * 1997-07-31 2000-06-20 Lucent Technologies, Inc. Method and apparatus for performing adaptive differential pulse code modulation
TW376611B (en) * 1998-05-26 1999-12-11 Koninkl Philips Electronics Nv Transmission system with improved speech encoder
CA2722110C (en) * 1999-08-23 2014-04-08 Panasonic Corporation Apparatus and method for speech coding
WO2002082425A1 (en) * 2001-04-09 2002-10-17 Koninklijke Philips Electronics N.V. Adpcm speech coding system with specific step-size adaptation
US7225135B2 (en) * 2002-04-05 2007-05-29 Lectrosonics, Inc. Signal-predictive audio transmission system
JP4215448B2 (ja) * 2002-04-19 2009-01-28 日本電気株式会社 音声復号装置及び音声復号方法

Also Published As

Publication number Publication date
IL177124A0 (en) 2006-12-10
ES2285551T3 (es) 2007-11-16
CN1914670B (zh) 2011-03-23
NO338722B1 (no) 2016-10-10
CA2556024C (en) 2010-08-10
CA2556024A1 (en) 2005-09-09
ATE362169T1 (de) 2007-06-15
DE102004007185B3 (de) 2005-06-30
NO20064021L (no) 2006-09-07
BRPI0418389A8 (pt) 2018-04-03
US7386446B2 (en) 2008-06-10
EP1700293A1 (de) 2006-09-13
BRPI0418389A (pt) 2007-05-22
CN1914670A (zh) 2007-02-14
WO2005083683A1 (de) 2005-09-09
IL177124A (en) 2011-04-28
KR20070085059A (ko) 2007-08-27
RU2345426C2 (ru) 2009-01-27
AU2004316541B2 (en) 2008-04-24
RU2006132731A (ru) 2008-03-20
HK1094080A1 (en) 2007-03-16
US20070016409A1 (en) 2007-01-18
PT1700293E (pt) 2007-08-21
EP1700293B1 (de) 2007-05-09
JP2007534229A (ja) 2007-11-22
AU2004316541A1 (en) 2005-09-09
JP4351260B2 (ja) 2009-10-28
BRPI0418389B1 (pt) 2019-06-25
KR100852483B1 (ko) 2008-08-18

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