ES2129646T3 - Ocultacion de bloques rechazados. - Google Patents

Ocultacion de bloques rechazados.

Info

Publication number
ES2129646T3
ES2129646T3 ES94919039T ES94919039T ES2129646T3 ES 2129646 T3 ES2129646 T3 ES 2129646T3 ES 94919039 T ES94919039 T ES 94919039T ES 94919039 T ES94919039 T ES 94919039T ES 2129646 T3 ES2129646 T3 ES 2129646T3
Authority
ES
Spain
Prior art keywords
frame
hiding
rejected
loop
accepted
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
ES94919039T
Other languages
English (en)
Inventor
Karl Torbjorn Wigren
Rolf Anders Bergstrom
Fredrik Klas Janis 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
Application granted granted Critical
Publication of ES2129646T3 publication Critical patent/ES2129646T3/es
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

Abstract

EN UN RECEPTOR DE UN SISTEMA DE TELECOMUNICACIONES DE RADIO BASADAS EN MARCOS LOS MARCOS RECHAZADOS SON CANCELADOS DE ACUERDO CON UN PRIMER ORGANISMO (LOOP S) SI EL ULTIMO MARCO ACEPTADO FUE UN MARCO DE VOZ Y DE ACUERDO CON UN SEGUNDO ALGORITMO (LOOP B) SI EL ULTIMO MARCO ACEPTADO FUE UN MARCO QUE CONTENIA SONIDOS DE FONDO.
ES94919039T 1993-06-11 1994-06-02 Ocultacion de bloques rechazados. Expired - Lifetime ES2129646T3 (es)

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
SE9401462A SE502244C2 (sv) 1993-06-11 1994-04-28 Sätt och anordning för avkodning av ljudsignaler i ett system för mobilradiokommunikation

Publications (1)

Publication Number Publication Date
ES2129646T3 true ES2129646T3 (es) 1999-06-16

Family

ID=27355718

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94919039T Expired - Lifetime ES2129646T3 (es) 1993-06-11 1994-06-02 Ocultacion de bloques rechazados.

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) FI950590A (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
EP0928521A1 (en) * 1996-09-25 1999-07-14 Qualcomm Incorporated Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
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
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
US20030177011A1 (en) * 2001-03-06 2003-09-18 Yasuyo Yasuda Audio data interpolation apparatus and method, audio data-related information creation apparatus and method, audio data interpolation information transmission apparatus and method, program and recording medium thereof
WO2003043277A1 (fr) * 2001-11-15 2003-05-22 Matsushita Electric Industrial Co., Ltd. Appareil et procede de masquage d'erreur
ATE523876T1 (de) * 2004-03-05 2011-09-15 Panasonic Corp Fehlerverbergungseinrichtung und fehlerverbergungsverfahren
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
JP5142727B2 (ja) * 2005-12-27 2013-02-13 パナソニック株式会社 音声復号装置および音声復号方法
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
US8483854B2 (en) 2008-01-28 2013-07-09 Qualcomm Incorporated Systems, methods, and apparatus for context processing using multiple microphones
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
MX2013009301A (es) * 2011-02-14 2013-12-06 Fraunhofer Ges Forschung Aparato y metodo para ocultamiento de error en voz unificada con bajo retardo y codificacion de audio.
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
AU670514B2 (en) 1996-07-18
KR950703193A (ko) 1995-08-23
CA2140364A1 (en) 1994-12-22
AU7011494A (en) 1995-01-03
SE9401462D0 (sv) 1994-04-28
CN1110883A (zh) 1995-10-25
FI950590A0 (fi) 1995-02-10
HK1012749A1 (en) 1999-08-06
SG45176A1 (en) 1998-01-16
DE69416493T2 (de) 1999-06-24
EP0655159A1 (en) 1995-05-31
NZ267733A (en) 1996-08-27
WO1994029849A1 (en) 1994-12-22
SE502244C2 (sv) 1995-09-25
TW350172B (en) 1999-01-11
RU2120667C1 (ru) 1998-10-20
FI950590A (fi) 1995-02-10
GR3029729T3 (en) 1999-06-30
KR100220380B1 (ko) 1999-09-15
EP0655159B1 (en) 1999-02-10
DE69416493D1 (de) 1999-03-25
JPH08500233A (ja) 1996-01-09
MX9404252A (es) 1995-01-31
US5572622A (en) 1996-11-05
CN1064769C (zh) 2001-04-18
SE9401462L (sv) 1994-12-12
DK0655159T3 (da) 1999-09-20

Similar Documents

Publication Publication Date Title
ES2129646T3 (es) Ocultacion de bloques rechazados.
ES2141236T3 (es) Ocultacion de error de transmision.
KR950022573A (ko) 원 음성 신호 처리 방법
PL315241A1 (en) Optical fibre based telecommunication system and method of transmitting signals so as to reduce optical noises associated with four-wave mixing as well as optical amplifier therefor
MX9102610A (es) Sistema de inteligibilidad de direccion publica.
SE9500858L (sv) Anordning och förfarande vid talöverföring och ett telekommunikationssystem omfattande dylik anordning
MX9702759A (es) Servicios operados por voz.
DE59308072D1 (de) Bidirektionaler optischer Sende- und Empfangsmodul
ES2179051T3 (es) Dispositivo y metodo para transmision cdma discontinua.
DE69230955D1 (de) Datenempfänger für tragbares Fernsprechgerät mit hoher Wahrscheinlichkeit zur Rahmensynchronisation
DE59107145D1 (de) Optisches Sende- und Empfangsmodul
ES2141326T3 (es) Ocultacion de bloques perdidos.
DE59602871D1 (de) Optische sende- und empfangsanordnung
SE9601911L (sv) Anordning för avskärmning av stora ytor, t ex glasytor eller liknande och sätt att montera sådan avskärmning
FR2664709B1 (fr) Procede et dispositif de sources de stabilisation de l'energie sismique.
JPS5650661A (en) Automatic dialing device of telephone
JPS6410763A (en) Door phone
ATE326813T1 (de) Personenüberfallalarme
KR920001903A (ko) 음성 우편장치의 텐넌트 기능 구현방법
KR920003718A (ko) 사설교환기에 있어서 자동 호대기 방법
JPS57206149A (en) Trunk line-based incoming displaying system of key telephone device
JPS57184357A (en) Incoming voice display device for telephone
UA8055A (uk) Автоматичний визначник номера абонента, що телефонує
ES2105978A1 (es) Un sistema de extensiones para cabellos.
UA31334A (uk) Спосіб визначення дальності об'єктів

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 655159

Country of ref document: ES