ATE336060T1 - Glättung des verstärkungsfaktors in breitbandsprach- und audio-signal dekodierer - Google Patents

Glättung des verstärkungsfaktors in breitbandsprach- und audio-signal dekodierer

Info

Publication number
ATE336060T1
ATE336060T1 AT00978928T AT00978928T ATE336060T1 AT E336060 T1 ATE336060 T1 AT E336060T1 AT 00978928 T AT00978928 T AT 00978928T AT 00978928 T AT00978928 T AT 00978928T AT E336060 T1 ATE336060 T1 AT E336060T1
Authority
AT
Austria
Prior art keywords
gain
smoothing
audio signal
innovative
gain smoothing
Prior art date
Application number
AT00978928T
Other languages
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=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE336060(T1) "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 ATE336060T1 publication Critical patent/ATE336060T1/de

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuits Of Receivers In General (AREA)
  • Stereophonic System (AREA)
  • Control Of Amplification And Gain Control (AREA)
AT00978928T 1999-11-18 2000-11-17 Glättung des verstärkungsfaktors in breitbandsprach- und audio-signal dekodierer ATE336060T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002290037A CA2290037A1 (en) 1999-11-18 1999-11-18 Gain-smoothing amplifier device and method in codecs for wideband speech and audio signals

Publications (1)

Publication Number Publication Date
ATE336060T1 true ATE336060T1 (de) 2006-09-15

Family

ID=4164645

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00978928T ATE336060T1 (de) 1999-11-18 2000-11-17 Glättung des verstärkungsfaktors in breitbandsprach- und audio-signal dekodierer

Country Status (13)

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

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US9053697B2 (en) 2010-06-01 2015-06-09 Qualcomm Incorporated Systems, methods, devices, apparatus, and computer program products for audio equalization
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Also Published As

Publication number Publication date
EP1232494A1 (de) 2002-08-21
WO2001037264A1 (en) 2001-05-25
DE60029990D1 (de) 2006-09-21
PT1232494E (pt) 2006-10-31
DE60029990T2 (de) 2006-12-07
AU1644401A (en) 2001-05-30
JP2003514267A (ja) 2003-04-15
DK1232494T3 (da) 2006-11-13
CN1391689A (zh) 2003-01-15
CY1106164T1 (el) 2011-06-08
CA2290037A1 (en) 2001-05-18
US7191123B1 (en) 2007-03-13
ES2266003T3 (es) 2007-03-01
JP4662673B2 (ja) 2011-03-30
EP1232494B1 (de) 2006-08-09
CN1229775C (zh) 2005-11-30

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