ATE322732T1 - Verfahren zur erzeugung von komfortgeräusch- rahmen (cnf) - Google Patents

Verfahren zur erzeugung von komfortgeräusch- rahmen (cnf)

Info

Publication number
ATE322732T1
ATE322732T1 AT02380144T AT02380144T ATE322732T1 AT E322732 T1 ATE322732 T1 AT E322732T1 AT 02380144 T AT02380144 T AT 02380144T AT 02380144 T AT02380144 T AT 02380144T AT E322732 T1 ATE322732 T1 AT E322732T1
Authority
AT
Austria
Prior art keywords
cnf
frames
vad
vocoder
control block
Prior art date
Application number
AT02380144T
Other languages
English (en)
Inventor
Paloma Garcia
Gomez Enrique Masgrau
Solano Eduardo Lleida
Original Assignee
Teltronic S A U
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 Teltronic S A U filed Critical Teltronic S A U
Application granted granted Critical
Publication of ATE322732T1 publication Critical patent/ATE322732T1/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
    • G10L19/012—Comfort noise or silence coding
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding

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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
AT02380144T 2002-07-02 2002-07-02 Verfahren zur erzeugung von komfortgeräusch- rahmen (cnf) ATE322732T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02380144A EP1378887B1 (de) 2002-07-02 2002-07-02 Verfahren zur Erzeugung von Komfortgeräusch-Rahmen (CNF)

Publications (1)

Publication Number Publication Date
ATE322732T1 true ATE322732T1 (de) 2006-04-15

Family

ID=29719797

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02380144T ATE322732T1 (de) 2002-07-02 2002-07-02 Verfahren zur erzeugung von komfortgeräusch- rahmen (cnf)

Country Status (4)

Country Link
EP (1) EP1378887B1 (de)
AT (1) ATE322732T1 (de)
DE (1) DE60210435D1 (de)
ES (1) ES2261619T3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101700855B1 (ko) * 2012-10-01 2017-01-31 니폰 덴신 덴와 가부시끼가이샤 부호화 방법, 부호화 장치, 프로그램 및 기록 매체

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5960389A (en) * 1996-11-15 1999-09-28 Nokia Mobile Phones Limited Methods for generating comfort noise during discontinuous transmission

Also Published As

Publication number Publication date
ES2261619T3 (es) 2006-11-16
DE60210435D1 (de) 2006-05-18
EP1378887B1 (de) 2006-04-05
EP1378887A1 (de) 2004-01-07

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Legal Events

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