SE466824B - Foerfarande foer kodning av en samplad talsignalvektor - Google Patents

Foerfarande foer kodning av en samplad talsignalvektor

Info

Publication number
SE466824B
SE466824B SE9002622A SE9002622A SE466824B SE 466824 B SE466824 B SE 466824B SE 9002622 A SE9002622 A SE 9002622A SE 9002622 A SE9002622 A SE 9002622A SE 466824 B SE466824 B SE 466824B
Authority
SE
Sweden
Prior art keywords
measure
scaling factor
vector
excitation
levels
Prior art date
Application number
SE9002622A
Other languages
English (en)
Swedish (sv)
Other versions
SE9002622L (sv
SE9002622D0 (sv
Inventor
T B Minde
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9002622A priority Critical patent/SE466824B/sv
Publication of SE9002622D0 publication Critical patent/SE9002622D0/xx
Priority to ES91850189T priority patent/ES2076510T3/es
Priority to PCT/SE1991/000495 priority patent/WO1992002927A1/en
Priority to JP03513617A priority patent/JP3073013B2/ja
Priority to KR1019920700756A priority patent/KR0131011B1/ko
Priority to CA002065451A priority patent/CA2065451C/en
Priority to EP91850189A priority patent/EP0470941B1/de
Priority to DE69112540T priority patent/DE69112540T2/de
Priority to AU83366/91A priority patent/AU637927B2/en
Priority to NZ239030A priority patent/NZ239030A/xx
Priority to US07/738,552 priority patent/US5214706A/en
Priority to MX9100552A priority patent/MX9100552A/es
Publication of SE9002622L publication Critical patent/SE9002622L/xx
Publication of SE466824B publication Critical patent/SE466824B/sv
Priority to HK98105583A priority patent/HK1006602A1/xx

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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • G10L19/08—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 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
    • G10L2019/0001—Codebooks
    • G10L2019/0002—Codebook adaptations
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0013—Codebook search algorithms
    • G10L2019/0014—Selection criteria for distances
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
SE9002622A 1990-08-10 1990-08-10 Foerfarande foer kodning av en samplad talsignalvektor SE466824B (sv)

Priority Applications (13)

Application Number Priority Date Filing Date Title
SE9002622A SE466824B (sv) 1990-08-10 1990-08-10 Foerfarande foer kodning av en samplad talsignalvektor
PCT/SE1991/000495 WO1992002927A1 (en) 1990-08-10 1991-07-15 A method of coding a sampled speech signal vector
EP91850189A EP0470941B1 (de) 1990-08-10 1991-07-15 Verfahren zur Kodierung eines abgetasteten Sprachsignalvektors
AU83366/91A AU637927B2 (en) 1990-08-10 1991-07-15 A method of coding a sampled speech signal vector
JP03513617A JP3073013B2 (ja) 1990-08-10 1991-07-15 サンプリングされた音声信号ベクトルのコーディングの方法
KR1019920700756A KR0131011B1 (ko) 1990-08-10 1991-07-15 표본화된 신호벡터를 부호화 하는 방법
CA002065451A CA2065451C (en) 1990-08-10 1991-07-15 Method of coding a sampled speech signal vector
ES91850189T ES2076510T3 (es) 1990-08-10 1991-07-15 Un metodo de codificar un vector de señal de habla.
DE69112540T DE69112540T2 (de) 1990-08-10 1991-07-15 Verfahren zur Kodierung eines abgetasteten Sprachsignalvektors.
NZ239030A NZ239030A (en) 1990-08-10 1991-07-18 Coding of a sampled speech signal vector
US07/738,552 US5214706A (en) 1990-08-10 1991-07-31 Method of coding a sampled speech signal vector
MX9100552A MX9100552A (es) 1990-08-10 1991-08-06 Un metodo para codificar un vector de senal de voz muestreado
HK98105583A HK1006602A1 (en) 1990-08-10 1998-06-17 A method of coding a sampled speech signal vector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9002622A SE466824B (sv) 1990-08-10 1990-08-10 Foerfarande foer kodning av en samplad talsignalvektor

Publications (3)

Publication Number Publication Date
SE9002622D0 SE9002622D0 (sv) 1990-08-10
SE9002622L SE9002622L (sv) 1992-02-11
SE466824B true SE466824B (sv) 1992-04-06

Family

ID=20380132

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9002622A SE466824B (sv) 1990-08-10 1990-08-10 Foerfarande foer kodning av en samplad talsignalvektor

Country Status (13)

Country Link
US (1) US5214706A (de)
EP (1) EP0470941B1 (de)
JP (1) JP3073013B2 (de)
KR (1) KR0131011B1 (de)
AU (1) AU637927B2 (de)
CA (1) CA2065451C (de)
DE (1) DE69112540T2 (de)
ES (1) ES2076510T3 (de)
HK (1) HK1006602A1 (de)
MX (1) MX9100552A (de)
NZ (1) NZ239030A (de)
SE (1) SE466824B (de)
WO (1) WO1992002927A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5307460A (en) * 1992-02-14 1994-04-26 Hughes Aircraft Company Method and apparatus for determining the excitation signal in VSELP coders
US5570454A (en) * 1994-06-09 1996-10-29 Hughes Electronics Method for processing speech signals as block floating point numbers in a CELP-based coder using a fixed point processor
US6009395A (en) * 1997-01-02 1999-12-28 Texas Instruments Incorporated Synthesizer and method using scaled excitation signal
US6775587B1 (en) * 1999-10-30 2004-08-10 Stmicroelectronics Asia Pacific Pte Ltd. Method of encoding frequency coefficients in an AC-3 encoder
JPWO2011048810A1 (ja) * 2009-10-20 2013-03-07 パナソニック株式会社 ベクトル量子化装置及びベクトル量子化方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1195350B (it) * 1986-10-21 1988-10-12 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante estrazione di para metri e tecniche di quantizzazione vettoriale
US4727354A (en) * 1987-01-07 1988-02-23 Unisys Corporation System for selecting best fit vector code in vector quantization encoding
US4899385A (en) * 1987-06-26 1990-02-06 American Telephone And Telegraph Company Code excited linear predictive vocoder
US4817157A (en) * 1988-01-07 1989-03-28 Motorola, Inc. Digital speech coder having improved vector excitation source
US5077798A (en) * 1988-09-28 1991-12-31 Hitachi, Ltd. Method and system for voice coding based on vector quantization

Also Published As

Publication number Publication date
JPH05502117A (ja) 1993-04-15
ES2076510T3 (es) 1995-11-01
EP0470941A1 (de) 1992-02-12
CA2065451A1 (en) 1992-02-11
US5214706A (en) 1993-05-25
EP0470941B1 (de) 1995-08-30
AU8336691A (en) 1992-03-02
MX9100552A (es) 1992-04-01
DE69112540D1 (de) 1995-10-05
SE9002622L (sv) 1992-02-11
SE9002622D0 (sv) 1990-08-10
NZ239030A (en) 1993-07-27
DE69112540T2 (de) 1996-02-22
JP3073013B2 (ja) 2000-08-07
WO1992002927A1 (en) 1992-02-20
HK1006602A1 (en) 1999-03-05
AU637927B2 (en) 1993-06-10
KR920702526A (ko) 1992-09-04
CA2065451C (en) 2002-05-28
KR0131011B1 (ko) 1998-10-01

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