DK1232494T3 - Forstærkningsudjævning i en tale- og audiobredbåndssignaldekoder - Google Patents

Forstærkningsudjævning i en tale- og audiobredbåndssignaldekoder

Info

Publication number
DK1232494T3
DK1232494T3 DK00978928T DK00978928T DK1232494T3 DK 1232494 T3 DK1232494 T3 DK 1232494T3 DK 00978928 T DK00978928 T DK 00978928T DK 00978928 T DK00978928 T DK 00978928T DK 1232494 T3 DK1232494 T3 DK 1232494T3
Authority
DK
Denmark
Prior art keywords
gain
smoothing
speech
innovative
wideband signal
Prior art date
Application number
DK00978928T
Other languages
Danish (da)
English (en)
Inventor
Bruno Bessette
Redwan Salami
Roch Lefebvre
Original Assignee
Voiceage 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4164645&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK1232494(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voiceage Corp filed Critical Voiceage Corp
Application granted granted Critical
Publication of DK1232494T3 publication Critical patent/DK1232494T3/da

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
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • 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
    • G10L2019/0012—Smoothing of parameters of the decoder interpolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Circuits Of Receivers In General (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Stereophonic System (AREA)
DK00978928T 1999-11-18 2000-11-17 Forstærkningsudjævning i en tale- og audiobredbåndssignaldekoder DK1232494T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002290037A CA2290037A1 (fr) 1999-11-18 1999-11-18 Dispositif amplificateur a lissage du gain et methode pour codecs de signaux audio et de parole a large bande

Publications (1)

Publication Number Publication Date
DK1232494T3 true DK1232494T3 (da) 2006-11-13

Family

ID=4164645

Family Applications (1)

Application Number Title Priority Date Filing Date
DK00978928T DK1232494T3 (da) 1999-11-18 2000-11-17 Forstærkningsudjævning i en tale- og audiobredbåndssignaldekoder

Country Status (13)

Country Link
US (1) US7191123B1 (fr)
EP (1) EP1232494B1 (fr)
JP (1) JP4662673B2 (fr)
CN (1) CN1229775C (fr)
AT (1) ATE336060T1 (fr)
AU (1) AU1644401A (fr)
CA (1) CA2290037A1 (fr)
CY (1) CY1106164T1 (fr)
DE (1) DE60029990T2 (fr)
DK (1) DK1232494T3 (fr)
ES (1) ES2266003T3 (fr)
PT (1) PT1232494E (fr)
WO (1) WO2001037264A1 (fr)

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US9202456B2 (en) 2009-04-23 2015-12-01 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for automatic control of active noise cancellation
JP5754899B2 (ja) 2009-10-07 2015-07-29 ソニー株式会社 復号装置および方法、並びにプログラム
WO2011065741A2 (fr) * 2009-11-24 2011-06-03 엘지전자 주식회사 Procédé et dispositif de traitement de signal audio
JP5850216B2 (ja) 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
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KR101398189B1 (ko) * 2012-03-27 2014-05-22 광주과학기술원 음성수신장치 및 음성수신방법
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JP6531649B2 (ja) 2013-09-19 2019-06-19 ソニー株式会社 符号化装置および方法、復号化装置および方法、並びにプログラム
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Also Published As

Publication number Publication date
JP2003514267A (ja) 2003-04-15
CN1229775C (zh) 2005-11-30
DE60029990D1 (de) 2006-09-21
EP1232494B1 (fr) 2006-08-09
CN1391689A (zh) 2003-01-15
ES2266003T3 (es) 2007-03-01
JP4662673B2 (ja) 2011-03-30
US7191123B1 (en) 2007-03-13
AU1644401A (en) 2001-05-30
WO2001037264A1 (fr) 2001-05-25
EP1232494A1 (fr) 2002-08-21
CY1106164T1 (el) 2011-06-08
PT1232494E (pt) 2006-10-31
CA2290037A1 (fr) 2001-05-18
DE60029990T2 (de) 2006-12-07
ATE336060T1 (de) 2006-09-15

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