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)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (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 (11)

* 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
SE527866C2 (en) * 2003-12-19 2006-06-27 Ericsson Telefon Ab L M Channel signal masking in multi-channel audio system
US7835916B2 (en) 2003-12-19 2010-11-16 Telefonaktiebolaget Lm Ericsson (Publ) Channel signal concealment in multi-channel audio systems
US8160868B2 (en) 2005-03-14 2012-04-17 Panasonic Corporation Scalable decoder and scalable 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
CN103988255B (en) * 2011-10-20 2016-03-02 Lg电子株式会社 Manage the method for jitter buffer and use its jitter buffer
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 and device, electronic equipment 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
WO1996037964A1 (en) * 1995-05-22 1996-11-28 Ntt Mobile Communications Network Inc. Sound decoding device

Also Published As

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

Similar Documents

Publication Publication Date Title
ATE439666T1 (en) OCCASIONING PROCESS IN CASE OF LOSS OF VOICE FRAME AND DECODER
Andersen et al. iLBC-a linear predictive coder with robustness to packet losses
EP1288916A3 (en) Method and system for frame erasure concealment for predictive speech coding based on extrapolation of speech waveform
US8688437B2 (en) Packet loss concealment for speech coding
ATE336780T1 (en) OCCASIONING PROCESS FOR LOSS OF VOICE FRAME
EP0770990A3 (en) Speech encoding method and apparatus and speech decoding method and apparatus
MY129887A (en) Method and apparatus for performing reduced rate variable rate vocoding
ATE317571T1 (en) VOICE TRANSMISSION SYSTEM AND METHOD FOR HANDLING LOST DATA FRAME
ATE202232T1 (en) METHOD FOR VOICE CODING
BR9602835B1 (en) process and apparatus for reproducing a voice signal, and process for transmitting the same.
DE69613908D1 (en) Voiced / unvoiced classification of speech for speech decoding when data frames are lost
CA2424202A1 (en) Method and system for speech frame error concealment in speech decoding
KR20060007412A (en) Method and device for gain quantization in variable bit rate wideband speech coding
JP2009239927A (en) Method and device for in-band dim-and-burst signaling having excellent efficiency and half-rate max processing in case of variable bit-rate wideband voice encoding for cdma radio system
HK1060430A1 (en) Method and apparatus for encoding and decoding of unvoiced speech
DE69317958D1 (en) Low delay audio signal encoder using analysis-by-synthesis techniques
NO933535D0 (en) TIME / FREQUENCY INTERPOLATION, SPECIFICALLY FOR RELATIVE SLOW VOICE CODING
US20020111799A1 (en) Algebraic codebook system and method
ATE386319T1 (en) METHOD AND DEVICE FOR CONCEALING ERROR-CONTAINED VOICE FRAMES
CA2315324A1 (en) Speech signal decoding method and apparatus
DE69703233T2 (en) Methods and systems for speech coding
WO1999022561A3 (en) A method and apparatus for audio representation of speech that has been encoded according to the lpc principle, through adding noise to constituent signals therein
CA2373479A1 (en) Device, method and program for encoding/decoding of speech with function of encoding silent period
WO2002023537A8 (en) System for enhancing perceptual quality of decoded speech
CA2317969A1 (en) Method and apparatus for decoding speech signal

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties