ATE336780T1 - OCCASIONING PROCESS FOR LOSS OF VOICE FRAME - Google Patents

OCCASIONING PROCESS FOR LOSS OF VOICE FRAME

Info

Publication number
ATE336780T1
ATE336780T1 AT00310360T AT00310360T ATE336780T1 AT E336780 T1 ATE336780 T1 AT E336780T1 AT 00310360 T AT00310360 T AT 00310360T AT 00310360 T AT00310360 T AT 00310360T AT E336780 T1 ATE336780 T1 AT E336780T1
Authority
AT
Austria
Prior art keywords
repetitive
occasioning
loss
voice frame
jittered
Prior art date
Application number
AT00310360T
Other languages
German (de)
Inventor
Takahiro Unno
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of ATE336780T1 publication Critical patent/ATE336780T1/en

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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm

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)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Materials For Medical Uses (AREA)
  • Catalysts (AREA)
  • Laminated Bodies (AREA)

Abstract

A decoder for code excited LP encoded frames with both adaptive and fixed codebooks; erased frame concealment uses muted repetitive excitation, threshold-adapted bandwidth expanded repetitive synthesis filter, and jittered repetitive pitch lag. <IMAGE>
AT00310360T 1999-11-23 2000-11-22 OCCASIONING PROCESS FOR LOSS OF VOICE FRAME ATE336780T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16719799P 1999-11-23 1999-11-23

Publications (1)

Publication Number Publication Date
ATE336780T1 true ATE336780T1 (en) 2006-09-15

Family

ID=22606354

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00310360T ATE336780T1 (en) 1999-11-23 2000-11-22 OCCASIONING PROCESS FOR LOSS OF VOICE FRAME

Country Status (4)

Country Link
EP (1) EP1103953B1 (en)
JP (1) JP2001154699A (en)
AT (1) ATE336780T1 (en)
DE (1) DE60030069T2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6826527B1 (en) * 1999-11-23 2004-11-30 Texas Instruments Incorporated Concealment of frame erasures and method
WO2002045077A1 (en) * 2000-11-30 2002-06-06 Matsushita Electric Industrial Co., Ltd. Vector quantizing device for lpc parameters
US7835916B2 (en) 2003-12-19 2010-11-16 Telefonaktiebolaget Lm Ericsson (Publ) Channel signal concealment in multi-channel audio systems
SE527866C2 (en) * 2003-12-19 2006-06-27 Ericsson Telefon Ab L M Channel signal masking in multi-channel audio system
JP4846712B2 (en) * 2005-03-14 2011-12-28 パナソニック株式会社 Scalable decoding apparatus and scalable decoding method
RU2431892C2 (en) * 2006-11-10 2011-10-20 Панасоник Корпорэйшн Parameter decoding device, parameter encoding device and parameter decoding method
WO2010000303A1 (en) * 2008-06-30 2010-01-07 Nokia Corporation Speech decoder with error concealment
JP5111430B2 (en) * 2009-04-24 2013-01-09 パナソニック株式会社 Speech coding apparatus, speech decoding apparatus, and methods thereof
EP2770504B1 (en) * 2011-10-20 2016-11-30 LG Electronics Inc. Method of managing a jitter buffer, and jitter buffer using same
JP5328883B2 (en) * 2011-12-02 2013-10-30 パナソニック株式会社 CELP speech decoding apparatus and CELP speech decoding method
JP6516099B2 (en) * 2015-08-05 2019-05-22 パナソニックＩｐマネジメント株式会社 Audio signal decoding apparatus and audio signal decoding method
CN110474815B (en) * 2019-09-23 2021-08-13 北京达佳互联信息技术有限公司 Bandwidth prediction method, device, electronic device and storage medium

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2142391C (en) * 1994-03-14 2001-05-29 Juin-Hwey Chen Computational complexity reduction during frame erasure or packet loss
DE69633164T2 (en) * 1995-05-22 2005-08-11 Ntt Mobile Communications Network Inc. tone decoder

Also Published As

Publication number Publication date
DE60030069D1 (en) 2006-09-28
EP1103953B1 (en) 2006-08-16
JP2001154699A (en) 2001-06-08
DE60030069T2 (en) 2007-02-22
EP1103953A3 (en) 2002-09-11
EP1103953A2 (en) 2001-05-30

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