DE69416493T2 - Verdeckung von ausschussrahmen - Google Patents

Verdeckung von ausschussrahmen

Info

Publication number
DE69416493T2
DE69416493T2 DE69416493T DE69416493T DE69416493T2 DE 69416493 T2 DE69416493 T2 DE 69416493T2 DE 69416493 T DE69416493 T DE 69416493T DE 69416493 T DE69416493 T DE 69416493T DE 69416493 T2 DE69416493 T2 DE 69416493T2
Authority
DE
Germany
Prior art keywords
committee
coverage
frame
committee frame
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
DE69416493T
Other languages
English (en)
Other versions
DE69416493D1 (de
Inventor
Karl Wigren
Rolf Bergstroem
Fredrik Jansson
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
Priority claimed from SE9304058A external-priority patent/SE503547C2/sv
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE69416493D1 publication Critical patent/DE69416493D1/de
Application granted granted Critical
Publication of DE69416493T2 publication Critical patent/DE69416493T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/84—Detection of presence or absence of voice signals for discriminating voice from noise
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
DE69416493T 1993-06-11 1994-06-02 Verdeckung von ausschussrahmen Expired - Lifetime DE69416493T2 (de)

Applications Claiming Priority (4)

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
SE9401462A SE502244C2 (sv) 1993-06-11 1994-04-28 Sätt och anordning för avkodning av ljudsignaler i ett system för mobilradiokommunikation
PCT/SE1994/000531 WO1994029849A1 (en) 1993-06-11 1994-06-02 Rejected frame concealment

Publications (2)

Publication Number Publication Date
DE69416493D1 DE69416493D1 (de) 1999-03-25
DE69416493T2 true DE69416493T2 (de) 1999-06-24

Family

ID=27355718

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69416493T Expired - Lifetime DE69416493T2 (de) 1993-06-11 1994-06-02 Verdeckung von ausschussrahmen

Country Status (20)

Country Link
US (1) US5572622A (de)
EP (1) EP0655159B1 (de)
JP (1) JPH08500233A (de)
KR (1) KR100220380B1 (de)
CN (1) CN1064769C (de)
AU (1) AU670514B2 (de)
CA (1) CA2140364A1 (de)
DE (1) DE69416493T2 (de)
DK (1) DK0655159T3 (de)
ES (1) ES2129646T3 (de)
FI (1) FI950590A0 (de)
GR (1) GR3029729T3 (de)
HK (1) HK1012749A1 (de)
MX (1) MX9404252A (de)
NZ (1) NZ267733A (de)
RU (1) RU2120667C1 (de)
SE (1) SE502244C2 (de)
SG (1) SG45176A1 (de)
TW (1) TW350172B (de)
WO (1) WO1994029849A1 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4427351C1 (de) * 1994-08-02 1996-03-28 Siemens Ag Signalverarbeitungsverfahren und -anordnung für blockweise codierte Sprachsignale eines Nachrichtensystems
US5768291A (en) * 1994-12-29 1998-06-16 Motorola, Inc. Method and apparatus for error mitigating a received communication signal
SE9500858L (sv) * 1995-03-10 1996-09-11 Ericsson Telefon Ab L M Anordning och förfarande vid talöverföring och ett telekommunikationssystem omfattande dylik anordning
US5732389A (en) * 1995-06-07 1998-03-24 Lucent Technologies Inc. Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures
FR2737948B1 (fr) * 1995-08-16 1997-10-17 Alcatel Mobile Comm France Dispositif de commande de volume sonore pour recepteur de signaux de parole codes par blocs
US5774856A (en) * 1995-10-02 1998-06-30 Motorola, Inc. User-Customized, low bit-rate speech vocoding method and communication unit for use therewith
JPH09312620A (ja) * 1996-05-23 1997-12-02 Nec Corp 音声データ補間処理装置
JPH1091194A (ja) * 1996-09-18 1998-04-10 Sony Corp 音声復号化方法及び装置
US7788092B2 (en) 1996-09-25 2010-08-31 Qualcomm Incorporated Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
JP2001501790A (ja) * 1996-09-25 2001-02-06 クゥアルコム・インコーポレイテッド 復号された音声パラメータを用いる移動電話で受信された不良データパケットの検出を行う方法およびその装置
US6205130B1 (en) 1996-09-25 2001-03-20 Qualcomm Incorporated Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
DE19716147A1 (de) * 1997-04-17 1998-10-22 Alsthom Cge Alcatel Verfahren und Vorrichtung zur Fehlerverdeckung in digitalen Übertragungssystemen
JPH10327089A (ja) * 1997-05-23 1998-12-08 Matsushita Electric Ind Co Ltd 携帯電話装置
SE513520C2 (sv) * 1998-05-14 2000-09-25 Ericsson Telefon Ab L M Förfarande och anordning för maskering av fördröjda paket
US6810377B1 (en) 1998-06-19 2004-10-26 Comsat Corporation Lost frame recovery techniques for parametric, LPC-based speech coding systems
US6597961B1 (en) 1999-04-27 2003-07-22 Realnetworks, Inc. System and method for concealing errors in an audio transmission
FI118242B (fi) * 2000-09-19 2007-08-31 Nokia Corp Puhekehyksen käsitteleminen radiojärjestelmässä
EP1367564A4 (de) * 2001-03-06 2005-08-10 Ntt Docomo Inc Audiodateninterpolationsvorrichtung und -verfahren, erzeugungsvorrichtung und -verfahren für mit audiodaten zusammenhängende informationen, audiodaten-interpolationsinformationsübertragungs-vorrichtung und -verfahren, programm und aufzeichnungsmedium davon
CN1323532C (zh) * 2001-11-15 2007-06-27 松下电器产业株式会社 错误隐蔽装置和方法
US7809556B2 (en) 2004-03-05 2010-10-05 Panasonic Corporation Error conceal device and error conceal method
US7409338B1 (en) * 2004-11-10 2008-08-05 Mediatek Incorporation Softbit speech decoder and related method for performing speech loss concealment
CN1929355B (zh) * 2005-09-09 2010-05-05 联想(北京)有限公司 语音包丢失恢复系统以及方法
JP2007150655A (ja) * 2005-11-28 2007-06-14 Hitachi Kokusai Electric Inc デジタル無線機
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
DE102007018484B4 (de) 2007-03-20 2009-06-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Senden einer Folge von Datenpaketen und Decodierer und Vorrichtung zum Decodieren einer Folge von Datenpaketen
US20090055171A1 (en) * 2007-08-20 2009-02-26 Broadcom Corporation Buzz reduction for low-complexity frame erasure concealment
US8554551B2 (en) 2008-01-28 2013-10-08 Qualcomm Incorporated Systems, methods, and apparatus for context replacement by audio level
CN100550133C (zh) * 2008-03-20 2009-10-14 华为技术有限公司 一种语音信号处理方法及装置
CN101931507B (zh) * 2009-06-18 2012-09-05 华为技术有限公司 码本生成方法、数据传输方法及装置
US8428959B2 (en) * 2010-01-29 2013-04-23 Polycom, Inc. Audio packet loss concealment by transform interpolation
US8600325B2 (en) * 2010-04-09 2013-12-03 Harris Corporation Simulated degradation of SNR in decoded digital audio correlated to wireless link bit-error rate
AU2012217215B2 (en) * 2011-02-14 2015-05-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for error concealment in low-delay unified speech and audio coding (USAC)
FR3008533A1 (fr) * 2013-07-12 2015-01-16 Orange Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences

Family Cites Families (5)

* 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
US5271011A (en) * 1992-03-16 1993-12-14 Scientific-Atlanta, Inc. Digital audio data muting system and method
US5309443A (en) * 1992-06-04 1994-05-03 Motorola, Inc. Dynamic muting method for ADPCM coded speech

Also Published As

Publication number Publication date
MX9404252A (es) 1995-01-31
GR3029729T3 (en) 1999-06-30
US5572622A (en) 1996-11-05
KR100220380B1 (ko) 1999-09-15
AU7011494A (en) 1995-01-03
DK0655159T3 (da) 1999-09-20
FI950590A (fi) 1995-02-10
FI950590A0 (fi) 1995-02-10
CN1064769C (zh) 2001-04-18
CA2140364A1 (en) 1994-12-22
HK1012749A1 (en) 1999-08-06
TW350172B (en) 1999-01-11
RU2120667C1 (ru) 1998-10-20
WO1994029849A1 (en) 1994-12-22
DE69416493D1 (de) 1999-03-25
EP0655159B1 (de) 1999-02-10
SE9401462D0 (sv) 1994-04-28
CN1110883A (zh) 1995-10-25
JPH08500233A (ja) 1996-01-09
SE9401462L (sv) 1994-12-12
AU670514B2 (en) 1996-07-18
SE502244C2 (sv) 1995-09-25
SG45176A1 (en) 1998-01-16
NZ267733A (en) 1996-08-27
KR950703193A (ko) 1995-08-23
ES2129646T3 (es) 1999-06-16
EP0655159A1 (de) 1995-05-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition