FR2733345B1 - Procede et dispositif pour le codage et le decodage a faible cadence - Google Patents

Procede et dispositif pour le codage et le decodage a faible cadence

Info

Publication number
FR2733345B1
FR2733345B1 FR9603787A FR9603787A FR2733345B1 FR 2733345 B1 FR2733345 B1 FR 2733345B1 FR 9603787 A FR9603787 A FR 9603787A FR 9603787 A FR9603787 A FR 9603787A FR 2733345 B1 FR2733345 B1 FR 2733345B1
Authority
FR
France
Prior art keywords
decoding
low rate
rate encoding
encoding
low
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 - Fee Related
Application number
FR9603787A
Other languages
English (en)
Other versions
FR2733345A1 (fr
Inventor
James P Ashley
Weimin Peng
Peng Zhang
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of FR2733345A1 publication Critical patent/FR2733345A1/fr
Application granted granted Critical
Publication of FR2733345B1 publication Critical patent/FR2733345B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/032Quantisation or dequantisation of spectral components
    • G10L19/038Vector quantisation, e.g. TwinVQ audio

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Executing Machine-Instructions (AREA)
FR9603787A 1995-04-19 1996-03-27 Procede et dispositif pour le codage et le decodage a faible cadence Expired - Fee Related FR2733345B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42478095A 1995-04-19 1995-04-19

Publications (2)

Publication Number Publication Date
FR2733345A1 FR2733345A1 (fr) 1996-10-25
FR2733345B1 true FR2733345B1 (fr) 1997-07-25

Family

ID=23683842

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9603787A Expired - Fee Related FR2733345B1 (fr) 1995-04-19 1996-03-27 Procede et dispositif pour le codage et le decodage a faible cadence

Country Status (14)

Country Link
JP (1) JPH10503633A (fr)
CN (1) CN1150853A (fr)
AU (1) AU683058B2 (fr)
BR (1) BR9606292A (fr)
CA (1) CA2191972A1 (fr)
DE (1) DE19680399T1 (fr)
FI (1) FI965131A0 (fr)
FR (1) FR2733345B1 (fr)
GB (1) GB2304508A (fr)
IT (1) IT1285178B1 (fr)
MX (1) MX9606368A (fr)
PL (1) PL318012A1 (fr)
SE (1) SE9604443L (fr)
WO (1) WO1996034383A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9454974B2 (en) * 2006-07-31 2016-09-27 Qualcomm Incorporated Systems, methods, and apparatus for gain factor limiting
CN104637483A (zh) * 2015-02-03 2015-05-20 中国电子科技集团公司第五十八研究所 基于多通道的低速率语音编解码系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6901749U (de) * 1969-01-17 1969-05-22 Huettenwerke Siegerland Ag Diffusor fuer bundgluehoefen
JPH02287399A (ja) * 1989-04-28 1990-11-27 Fujitsu Ltd ベクトル量子化制御方式
US5010574A (en) * 1989-06-13 1991-04-23 At&T Bell Laboratories Vector quantizer search arrangement
US4974099A (en) * 1989-06-21 1990-11-27 International Mobile Machines Corporation Communication signal compression system and method
US4963030A (en) * 1989-11-29 1990-10-16 California Institute Of Technology Distributed-block vector quantization coder
FR2709366B1 (fr) * 1993-03-26 2001-09-14 Motorola Inc Procédé de stockage de vecteurs de coefficient de réflexion.

Also Published As

Publication number Publication date
FI965131A (fi) 1996-12-19
DE19680399T1 (de) 1997-09-18
WO1996034383A1 (fr) 1996-10-31
IT1285178B1 (it) 1998-06-03
CN1150853A (zh) 1997-05-28
JPH10503633A (ja) 1998-03-31
SE9604443L (sv) 1997-02-19
PL318012A1 (en) 1997-05-12
MX9606368A (es) 1997-03-29
GB9625742D0 (en) 1997-01-29
AU683058B2 (en) 1997-10-30
GB2304508A (en) 1997-03-19
ITRM960235A0 (fr) 1996-04-15
BR9606292A (pt) 1997-11-18
ITRM960235A1 (it) 1997-10-15
CA2191972A1 (fr) 1996-10-31
FR2733345A1 (fr) 1996-10-25
FI965131A0 (fi) 1996-12-19
SE9604443D0 (sv) 1996-12-03
AU6634996A (en) 1996-11-18

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Legal Events

Date Code Title Description
ST Notification of lapse