DK0655159T3 - Maskering af afviste rammer - Google Patents

Maskering af afviste rammer

Info

Publication number
DK0655159T3
DK0655159T3 DK94919039T DK94919039T DK0655159T3 DK 0655159 T3 DK0655159 T3 DK 0655159T3 DK 94919039 T DK94919039 T DK 94919039T DK 94919039 T DK94919039 T DK 94919039T DK 0655159 T3 DK0655159 T3 DK 0655159T3
Authority
DK
Denmark
Prior art keywords
masking
rejected frames
rejected
frames
masking rejected
Prior art date
Application number
DK94919039T
Other languages
Danish (da)
English (en)
Inventor
Karl Torbjoern Wigren
Rolf Anders Bergstrim
Fredrik Klas Janis Jansson
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
Priority claimed from SE9304058A external-priority patent/SE503547C2/sv
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of DK0655159T3 publication Critical patent/DK0655159T3/da

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Credit Cards Or The Like (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DK94919039T 1993-06-11 1994-06-02 Maskering af afviste rammer DK0655159T3 (da)

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 (1)

Publication Number Publication Date
DK0655159T3 true DK0655159T3 (da) 1999-09-20

Family

ID=27355718

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94919039T DK0655159T3 (da) 1993-06-11 1994-06-02 Maskering af afviste rammer

Country Status (20)

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

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
AU4497097A (en) * 1996-09-25 1998-04-17 Qualcomm Incorporated Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
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 (en) * 2001-03-06 2005-08-10 Ntt Docomo Inc METHOD AND DEVICE FOR INTERPOLATING SOUND DATA, METHOD AND DEVICE FOR CREATING INFORMATION RELATING TO SOUND DATA, METHOD AND DEVICE FOR TRANSMITTING SOUND DATA INTERPOLATION INFORMATION, AND PROGRAM AND RECORDING MEDIUM THEREOF
US20050044471A1 (en) * 2001-11-15 2005-02-24 Chia Pei Yen Error concealment apparatus and method
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
US8600740B2 (en) 2008-01-28 2013-12-03 Qualcomm Incorporated Systems, methods and apparatus for context descriptor transmission
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
CN103620672B (zh) * 2011-02-14 2016-04-27 弗劳恩霍夫应用研究促进协会 用于低延迟联合语音及音频编码(usac)中的错误隐藏的装置和方法
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
GR3029729T3 (en) 1999-06-30
SE9401462D0 (sv) 1994-04-28
CN1110883A (zh) 1995-10-25
HK1012749A1 (en) 1999-08-06
EP0655159A1 (en) 1995-05-31
DE69416493T2 (de) 1999-06-24
NZ267733A (en) 1996-08-27
RU2120667C1 (ru) 1998-10-20
KR100220380B1 (ko) 1999-09-15
SE9401462L (sv) 1994-12-12
CN1064769C (zh) 2001-04-18
JPH08500233A (ja) 1996-01-09
AU670514B2 (en) 1996-07-18
MX9404252A (es) 1995-01-31
DE69416493D1 (de) 1999-03-25
SG45176A1 (en) 1998-01-16
AU7011494A (en) 1995-01-03
FI950590A (fi) 1995-02-10
SE502244C2 (sv) 1995-09-25
US5572622A (en) 1996-11-05
TW350172B (en) 1999-01-11
WO1994029849A1 (en) 1994-12-22
CA2140364A1 (en) 1994-12-22
ES2129646T3 (es) 1999-06-16
KR950703193A (ko) 1995-08-23
EP0655159B1 (en) 1999-02-10
FI950590A0 (fi) 1995-02-10

Similar Documents

Publication Publication Date Title
DK0655159T3 (da) Maskering af afviste rammer
DK0622440T4 (da) Fosforescerende lysstof
DK0655160T3 (da) Maskering af transmissionsfejl
DE59403063D1 (de) Optisches Bauelement
DE59509361D1 (de) Optisches Bauelement
FI97923B (fi) Portaittain säädettävä suodatin
DE59409521D1 (de) Optisches bauelement
DK144192D0 (da) Aktivering af enzymer
DK144392D0 (da) Aktivering af enzymer
DE69627245D1 (de) Varioobjektiv
DE69330873T2 (de) Bildrahmen
DK0655161T3 (da) Maskering af tabte rammer
DE69621546D1 (de) Zoomobjektiv
DE69412346T2 (de) Linsenprüfvorrichtung
DK0689577T3 (da) Anvendelse af ferroncen
FI933069A0 (fi) Foerfarande och anordning foer att skydda en elektrisk krets
FI935855A0 (fi) Elledande plastmaterial och foerfarande foer dess framstaellning
KR950004462U (ko) 카메라의 조리개
KR970018322U (ko) 셔터
DK77293D0 (da) Aktivering af enzymer
KR950021354U (ko) 노광렌즈
DE69533743D1 (de) Zoomobjektiv
FI934600A0 (fi) Lastpall och foerfarande foer att bilda kobination lastpall + storsaeck
FI934640A0 (fi) Foerfarande och anlaeggning foer att uppsamla avfall
KR950012320U (ko) 카메라