ES2141326T3 - Ocultacion de bloques perdidos. - Google Patents

Ocultacion de bloques perdidos.

Info

Publication number
ES2141326T3
ES2141326T3 ES95901980T ES95901980T ES2141326T3 ES 2141326 T3 ES2141326 T3 ES 2141326T3 ES 95901980 T ES95901980 T ES 95901980T ES 95901980 T ES95901980 T ES 95901980T ES 2141326 T3 ES2141326 T3 ES 2141326T3
Authority
ES
Spain
Prior art keywords
frame
frames
loss
internal state
state variables
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES95901980T
Other languages
English (en)
Spanish (es)
Inventor
Wigren Karl Torbjorn
Bergstrom Rolf Anders
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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
Priority claimed from SE9302025A external-priority patent/SE501340C2/sv
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of ES2141326T3 publication Critical patent/ES2141326T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end

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)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Noise Elimination (AREA)
  • Special Wing (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
ES95901980T 1993-06-11 1994-06-02 Ocultacion de bloques perdidos. Expired - Lifetime ES2141326T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9302025A SE501340C2 (sv) 1993-06-11 1993-06-11 Döljande av transmissionsfel i en talavkodare
SE9304058A SE503547C2 (sv) 1993-06-11 1993-12-06 Anordning och förfarande för döljande av förlorade ramar

Publications (1)

Publication Number Publication Date
ES2141326T3 true ES2141326T3 (es) 2000-03-16

Family

ID=26661771

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95901980T Expired - Lifetime ES2141326T3 (es) 1993-06-11 1994-06-02 Ocultacion de bloques perdidos.

Country Status (19)

Country Link
US (1) US5596678A (OSRAM)
EP (1) EP0655161B1 (OSRAM)
JP (1) JPH08500234A (OSRAM)
KR (1) KR100220376B1 (OSRAM)
CN (1) CN1064770C (OSRAM)
AU (1) AU670698B2 (OSRAM)
CA (1) CA2140363A1 (OSRAM)
DE (1) DE69421501T2 (OSRAM)
DK (1) DK0655161T3 (OSRAM)
ES (1) ES2141326T3 (OSRAM)
FI (1) FI950591A0 (OSRAM)
GR (1) GR3031787T3 (OSRAM)
MX (1) MX9404250A (OSRAM)
NZ (1) NZ267734A (OSRAM)
RU (1) RU2120141C1 (OSRAM)
SE (1) SE503547C2 (OSRAM)
SG (1) SG43802A1 (OSRAM)
TW (1) TW243570B (OSRAM)
WO (1) WO1994029850A1 (OSRAM)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0773630B1 (en) * 1995-05-22 2004-08-18 Ntt Mobile Communications Network Inc. Sound decoding device
JPH09312604A (ja) * 1996-05-21 1997-12-02 Oki Electric Ind Co Ltd 間欠送信制御装置
SE513520C2 (sv) * 1998-05-14 2000-09-25 Ericsson Telefon Ab L M Förfarande och anordning för maskering av fördröjda paket
GB2337904B (en) 1998-05-29 2003-03-12 Nec Technologies Frame erasure for digital data transmision systems
GB2348087B (en) * 1999-03-13 2003-08-13 Nec Technologies Detection of unreliable frames in digital data transmission systems
DE10026872A1 (de) 2000-04-28 2001-10-31 Deutsche Telekom Ag Verfahren zur Berechnung einer Sprachaktivitätsentscheidung (Voice Activity Detector)
EP1199709A1 (en) * 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Error Concealment in relation to decoding of encoded acoustic signals
US8209168B2 (en) * 2004-06-02 2012-06-26 Panasonic Corporation Stereo decoder that conceals a lost frame in one channel using data from another channel
KR101237546B1 (ko) 2005-01-31 2013-02-26 스카이프 통신 시스템에서 프레임들을 연결하는 방법
WO2007077841A1 (ja) * 2005-12-27 2007-07-12 Matsushita Electric Industrial Co., Ltd. 音声復号装置および音声復号方法
TWI315629B (en) 2006-01-09 2009-10-01 Silicon Motion Inc System and method for processing digital rights management files
FR2907586A1 (fr) * 2006-10-20 2008-04-25 France Telecom Synthese de blocs perdus d'un signal audionumerique,avec correction de periode de pitch.
KR20080075050A (ko) * 2007-02-10 2008-08-14 삼성전자주식회사 오류 프레임의 파라미터 갱신 방법 및 장치
KR20100006492A (ko) * 2008-07-09 2010-01-19 삼성전자주식회사 부호화 방식 결정 방법 및 장치
US10230346B2 (en) 2011-01-10 2019-03-12 Zhinian Jing Acoustic voice activity detection

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281218A (en) * 1979-10-26 1981-07-28 Bell Telephone Laboratories, Incorporated Speech-nonspeech detector-classifier
US4357491A (en) * 1980-09-16 1982-11-02 Northern Telecom Limited Method of and apparatus for detecting speech in a voice channel signal
SU1297098A1 (ru) * 1983-10-27 1987-03-15 Республиканский Информационно-Вычислительный Центр Министерства Связи Усср Цифровой синтезатор речи
GB8729890D0 (en) * 1987-12-22 1988-02-03 Unilever Plc Improvements in & relating to fat processes
GB2239971B (en) * 1989-12-06 1993-09-29 Ca Nat Research Council System for separating speech from background noise
US5097507A (en) * 1989-12-22 1992-03-17 General Electric Company Fading bit error protection for digital cellular multi-pulse speech coder

Also Published As

Publication number Publication date
EP0655161A1 (en) 1995-05-31
KR960700499A (ko) 1996-01-20
FI950591A7 (fi) 1995-02-10
JPH08500234A (ja) 1996-01-09
SE9304058D0 (sv) 1993-12-06
SG43802A1 (en) 1997-11-14
AU7011594A (en) 1995-01-03
CN1064770C (zh) 2001-04-18
DE69421501D1 (de) 1999-12-09
CA2140363A1 (en) 1994-12-22
NZ267734A (en) 1996-06-25
KR100220376B1 (ko) 1999-09-15
RU2120141C1 (ru) 1998-10-10
EP0655161B1 (en) 1999-11-03
US5596678A (en) 1997-01-21
MX9404250A (es) 1995-01-31
TW243570B (OSRAM) 1995-03-21
DK0655161T3 (da) 2000-01-03
SE9304058L (sv) 1994-12-12
HK1014071A1 (en) 1999-09-17
GR3031787T3 (en) 2000-02-29
AU670698B2 (en) 1996-07-25
SE503547C2 (sv) 1996-07-01
DE69421501T2 (de) 2000-07-06
WO1994029850A1 (en) 1994-12-22
CN1110884A (zh) 1995-10-25
FI950591A0 (fi) 1995-02-10

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