ATE218741T1 - Lineare vorhersage durch impulsanregung - Google Patents

Lineare vorhersage durch impulsanregung

Info

Publication number
ATE218741T1
ATE218741T1 AT95909433T AT95909433T ATE218741T1 AT E218741 T1 ATE218741 T1 AT E218741T1 AT 95909433 T AT95909433 T AT 95909433T AT 95909433 T AT95909433 T AT 95909433T AT E218741 T1 ATE218741 T1 AT E218741T1
Authority
AT
Austria
Prior art keywords
burst
codebook
residual
waveform
parameters
Prior art date
Application number
AT95909433T
Other languages
English (en)
Inventor
William R Gardner
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
Application granted granted Critical
Publication of ATE218741T1 publication Critical patent/ATE218741T1/de

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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12Determination 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
    • 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
AT95909433T 1994-02-01 1995-02-01 Lineare vorhersage durch impulsanregung ATE218741T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18981494A 1994-02-01 1994-02-01
PCT/US1995/001341 WO1995021443A1 (en) 1994-02-01 1995-02-01 Burst excited linear prediction

Publications (1)

Publication Number Publication Date
ATE218741T1 true ATE218741T1 (de) 2002-06-15

Family

ID=22698876

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95909433T ATE218741T1 (de) 1994-02-01 1995-02-01 Lineare vorhersage durch impulsanregung

Country Status (17)

Country Link
US (1) US5621853A (de)
EP (1) EP0744069B1 (de)
JP (1) JPH09508479A (de)
KR (1) KR100323487B1 (de)
CN (1) CN1139988A (de)
AT (1) ATE218741T1 (de)
AU (1) AU693519B2 (de)
BR (1) BR9506574A (de)
CA (1) CA2181456A1 (de)
DE (1) DE69526926T2 (de)
DK (1) DK0744069T3 (de)
ES (1) ES2177631T3 (de)
FI (1) FI962968A (de)
HK (1) HK1011108A1 (de)
MX (1) MX9603122A (de)
PT (1) PT744069E (de)
WO (1) WO1995021443A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5963897A (en) * 1998-02-27 1999-10-05 Lernout & Hauspie Speech Products N.V. Apparatus and method for hybrid excited linear prediction speech encoding
US6182030B1 (en) 1998-12-18 2001-01-30 Telefonaktiebolaget Lm Ericsson (Publ) Enhanced coding to improve coded communication signals
JP4813365B2 (ja) * 2003-12-02 2011-11-09 トムソン ライセンシング オーディオ信号のインパルス応答を符号化及び復号化する方法
US8920343B2 (en) 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
US9245529B2 (en) 2009-06-18 2016-01-26 Texas Instruments Incorporated Adaptive encoding of a digital signal with one or more missing values
CN105225669B (zh) * 2011-03-04 2018-12-21 瑞典爱立信有限公司 音频编码中的后量化增益校正
CN110931025A (zh) * 2013-06-21 2020-03-27 弗朗霍夫应用科学研究促进协会 利用改进的脉冲再同步化的似acelp隐藏中的自适应码本的改进隐藏的装置及方法
EP3011554B1 (de) 2013-06-21 2019-07-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Schätzung der tonhöhenverzögerung
EP3079151A1 (de) * 2015-04-09 2016-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer und verfahren zur codierung eines audiosignals

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191853A (en) * 1978-10-10 1980-03-04 Motorola Inc. Sampled data filter with time shared weighters for use as an LPC and synthesizer
US4675863A (en) * 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
JP3102015B2 (ja) * 1990-05-28 2000-10-23 日本電気株式会社 音声復号化方法
US5138661A (en) * 1990-11-13 1992-08-11 General Electric Company Linear predictive codeword excited speech synthesizer
US5233660A (en) * 1991-09-10 1993-08-03 At&T Bell Laboratories Method and apparatus for low-delay celp speech coding and decoding
SE469764B (sv) * 1992-01-27 1993-09-06 Ericsson Telefon Ab L M Saett att koda en samplad talsignalvektor
US5495555A (en) * 1992-06-01 1996-02-27 Hughes Aircraft Company High quality low bit rate celp-based speech codec
US5353374A (en) * 1992-10-19 1994-10-04 Loral Aerospace Corporation Low bit rate voice transmission for use in a noisy environment
US5341456A (en) * 1992-12-02 1994-08-23 Qualcomm Incorporated Method for determining speech encoding rate in a variable rate vocoder

Also Published As

Publication number Publication date
EP0744069A1 (de) 1996-11-27
AU1739895A (en) 1995-08-21
FI962968A (fi) 1996-09-24
HK1011108A1 (en) 1999-07-02
CN1139988A (zh) 1997-01-08
PT744069E (pt) 2002-10-31
DE69526926D1 (de) 2002-07-11
DK0744069T3 (da) 2002-10-07
ES2177631T3 (es) 2002-12-16
KR100323487B1 (ko) 2002-07-08
AU693519B2 (en) 1998-07-02
BR9506574A (pt) 1997-09-23
WO1995021443A1 (en) 1995-08-10
KR970700902A (ko) 1997-02-12
JPH09508479A (ja) 1997-08-26
US5621853A (en) 1997-04-15
EP0744069B1 (de) 2002-06-05
CA2181456A1 (en) 1995-08-10
FI962968A0 (fi) 1996-07-25
MX9603122A (es) 1997-03-29
DE69526926T2 (de) 2003-01-02

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Legal Events

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UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee