SG43802A1 - Lost frame concealment - Google Patents

Lost frame concealment

Info

Publication number
SG43802A1
SG43802A1 SG1996001012A SG1996001012A SG43802A1 SG 43802 A1 SG43802 A1 SG 43802A1 SG 1996001012 A SG1996001012 A SG 1996001012A SG 1996001012 A SG1996001012 A SG 1996001012A SG 43802 A1 SG43802 A1 SG 43802A1
Authority
SG
Singapore
Prior art keywords
lost frame
frame concealment
concealment
lost
frame
Prior art date
Application number
SG1996001012A
Other languages
English (en)
Inventor
Wigren Karl Torbjorn
Bergstrom Rolf Anders
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of SG43802A1 publication Critical patent/SG43802A1/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
    • 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)
SG1996001012A 1993-06-11 1994-06-02 Lost frame concealment SG43802A1 (en)

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
SG43802A1 true SG43802A1 (en) 1997-11-14

Family

ID=26661771

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996001012A SG43802A1 (en) 1993-06-11 1994-06-02 Lost frame concealment

Country Status (20)

Country Link
US (1) US5596678A (xx)
EP (1) EP0655161B1 (xx)
JP (1) JPH08500234A (xx)
KR (1) KR100220376B1 (xx)
CN (1) CN1064770C (xx)
AU (1) AU670698B2 (xx)
CA (1) CA2140363A1 (xx)
DE (1) DE69421501T2 (xx)
DK (1) DK0655161T3 (xx)
ES (1) ES2141326T3 (xx)
FI (1) FI950591A0 (xx)
GR (1) GR3031787T3 (xx)
HK (1) HK1014071A1 (xx)
MX (1) MX9404250A (xx)
NZ (1) NZ267734A (xx)
RU (1) RU2120141C1 (xx)
SE (1) SE503547C2 (xx)
SG (1) SG43802A1 (xx)
TW (1) TW243570B (xx)
WO (1) WO1994029850A1 (xx)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6085158A (en) * 1995-05-22 2000-07-04 Ntt Mobile Communications Network Inc. Updating internal states of a speech decoder after errors have occurred
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
CN1961511B (zh) * 2004-06-02 2010-06-09 松下电器产业株式会社 声音数据接收装置及声音数据接收方法
WO2006079348A1 (en) 2005-01-31 2006-08-03 Sonorit Aps Method for generating concealment frames in communication system
US8160874B2 (en) * 2005-12-27 2012-04-17 Panasonic Corporation Speech frame loss compensation using non-cyclic-pulse-suppressed version of previous frame excitation as synthesis filter source
TWI315629B (en) 2006-01-09 2009-10-01 Silicon Motion Inc System and method for processing digital rights management files
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 (4)

* 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
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
US5596678A (en) 1997-01-21
HK1014071A1 (en) 1999-09-17
DK0655161T3 (da) 2000-01-03
FI950591A (fi) 1995-02-10
TW243570B (xx) 1995-03-21
DE69421501T2 (de) 2000-07-06
WO1994029850A1 (en) 1994-12-22
EP0655161B1 (en) 1999-11-03
EP0655161A1 (en) 1995-05-31
FI950591A0 (fi) 1995-02-10
SE9304058D0 (sv) 1993-12-06
KR100220376B1 (ko) 1999-09-15
AU7011594A (en) 1995-01-03
MX9404250A (es) 1995-01-31
AU670698B2 (en) 1996-07-25
SE503547C2 (sv) 1996-07-01
CN1064770C (zh) 2001-04-18
DE69421501D1 (de) 1999-12-09
CA2140363A1 (en) 1994-12-22
GR3031787T3 (en) 2000-02-29
CN1110884A (zh) 1995-10-25
ES2141326T3 (es) 2000-03-16
SE9304058L (sv) 1994-12-12
RU2120141C1 (ru) 1998-10-10
NZ267734A (en) 1996-06-25
JPH08500234A (ja) 1996-01-09
KR960700499A (ko) 1996-01-20

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