HK1014071A1 - Lost frame concealment - Google Patents

Lost frame concealment

Info

Publication number
HK1014071A1
HK1014071A1 HK98115265A HK98115265A HK1014071A1 HK 1014071 A1 HK1014071 A1 HK 1014071A1 HK 98115265 A HK98115265 A HK 98115265A HK 98115265 A HK98115265 A HK 98115265A HK 1014071 A1 HK1014071 A1 HK 1014071A1
Authority
HK
Hong Kong
Prior art keywords
lost frame
frame concealment
concealment
lost
frame
Prior art date
Application number
HK98115265A
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 HK1014071A1 publication Critical patent/HK1014071A1/xx

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/005Correction of errors induced by the transmission channel, if related to the coding algorithm
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78Detection of presence or absence of voice signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045Arrangements 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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Special Wing (AREA)
HK98115265A 1993-06-11 1998-12-23 Lost frame concealment HK1014071A1 (en)

Applications Claiming Priority (3)

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
PCT/SE1994/000532 WO1994029850A1 (en) 1993-06-11 1994-06-02 Lost frame concealment

Publications (1)

Publication Number Publication Date
HK1014071A1 true HK1014071A1 (en) 1999-09-17

Family

ID=26661771

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98115265A HK1014071A1 (en) 1993-06-11 1998-12-23 Lost frame concealment

Country Status (20)

Country Link
US (1) US5596678A (ru)
EP (1) EP0655161B1 (ru)
JP (1) JPH08500234A (ru)
KR (1) KR100220376B1 (ru)
CN (1) CN1064770C (ru)
AU (1) AU670698B2 (ru)
CA (1) CA2140363A1 (ru)
DE (1) DE69421501T2 (ru)
DK (1) DK0655161T3 (ru)
ES (1) ES2141326T3 (ru)
FI (1) FI950591A (ru)
GR (1) GR3031787T3 (ru)
HK (1) HK1014071A1 (ru)
MX (1) MX9404250A (ru)
NZ (1) NZ267734A (ru)
RU (1) RU2120141C1 (ru)
SE (1) SE503547C2 (ru)
SG (1) SG43802A1 (ru)
TW (1) TW243570B (ru)
WO (1) WO1994029850A1 (ru)

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
DE10026904A1 (de) 2000-04-28 2002-01-03 Deutsche Telekom Ag Verfahren zur Berechnung des die Lautstärke mitbestimmenden Verstärkungsfaktors für ein codiert übertragenes Sprachsignal
EP1199709A1 (en) * 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Error Concealment in relation to decoding of encoded acoustic signals
WO2005119950A1 (ja) * 2004-06-02 2005-12-15 Matsushita Electric Industrial Co., Ltd. 音声データ送信/受信装置および音声データ送信/受信方法
JP5420175B2 (ja) 2005-01-31 2014-02-19 スカイプ 通信システムにおける隠蔽フレームの生成方法
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
US10218327B2 (en) * 2011-01-10 2019-02-26 Zhinian Jing Dynamic enhancement of audio (DAE) in headset systems

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
RU2120141C1 (ru) 1998-10-10
DK0655161T3 (da) 2000-01-03
SE9304058D0 (sv) 1993-12-06
CN1064770C (zh) 2001-04-18
JPH08500234A (ja) 1996-01-09
SE9304058L (sv) 1994-12-12
KR100220376B1 (ko) 1999-09-15
ES2141326T3 (es) 2000-03-16
CN1110884A (zh) 1995-10-25
DE69421501D1 (de) 1999-12-09
AU7011594A (en) 1995-01-03
CA2140363A1 (en) 1994-12-22
FI950591A0 (fi) 1995-02-10
EP0655161A1 (en) 1995-05-31
FI950591A (fi) 1995-02-10
WO1994029850A1 (en) 1994-12-22
EP0655161B1 (en) 1999-11-03
SE503547C2 (sv) 1996-07-01
DE69421501T2 (de) 2000-07-06
MX9404250A (es) 1995-01-31
NZ267734A (en) 1996-06-25
AU670698B2 (en) 1996-07-25
GR3031787T3 (en) 2000-02-29
KR960700499A (ko) 1996-01-20
TW243570B (ru) 1995-03-21
SG43802A1 (en) 1997-11-14
US5596678A (en) 1997-01-21

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20040602