ES2141326T3 - Ocultacion de bloques perdidos. - Google Patents

Ocultacion de bloques perdidos.

Info

Publication number
ES2141326T3
ES2141326T3 ES95901980T ES95901980T ES2141326T3 ES 2141326 T3 ES2141326 T3 ES 2141326T3 ES 95901980 T ES95901980 T ES 95901980T ES 95901980 T ES95901980 T ES 95901980T ES 2141326 T3 ES2141326 T3 ES 2141326T3
Authority
ES
Spain
Prior art keywords
frame
frames
loss
internal state
state variables
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
ES95901980T
Other languages
English (en)
Spanish (es)
Inventor
Wigren Karl Torbjorn
Bergstrom Rolf Anders
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
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of ES2141326T3 publication Critical patent/ES2141326T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
ES95901980T 1993-06-11 1994-06-02 Ocultacion de bloques perdidos. Expired - Lifetime ES2141326T3 (es)

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
ES2141326T3 true ES2141326T3 (es) 2000-03-16

Family

ID=26661771

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95901980T Expired - Lifetime ES2141326T3 (es) 1993-06-11 1994-06-02 Ocultacion de bloques perdidos.

Country Status (19)

Country Link
US (1) US5596678A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0655161B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH08500234A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR100220376B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN (1) CN1064770C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU670698B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA2140363A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE69421501T2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK0655161T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES2141326T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI950591A0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GR (1) GR3031787T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
MX (1) MX9404250A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NZ (1) NZ267734A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
RU (1) RU2120141C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE503547C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SG (1) SG43802A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW243570B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1994029850A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3155952B2 (ja) * 1995-05-22 2001-04-16 株式会社エヌ・ティ・ティ・ドコモ 音声復号装置
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
US8209168B2 (en) * 2004-06-02 2012-06-26 Panasonic Corporation Stereo decoder that conceals a lost frame in one channel using data from another channel
US8068926B2 (en) * 2005-01-31 2011-11-29 Skype Limited 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
FR2907586A1 (fr) * 2006-10-20 2008-04-25 France Telecom Synthese de blocs perdus d'un signal audionumerique,avec correction de periode de pitch.
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 (6)

* 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
SU1297098A1 (ru) * 1983-10-27 1987-03-15 Республиканский Информационно-Вычислительный Центр Министерства Связи Усср Цифровой синтезатор речи
GB8729890D0 (en) * 1987-12-22 1988-02-03 Unilever Plc Improvements in & relating to fat processes
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
DK0655161T3 (da) 2000-01-03
EP0655161A1 (en) 1995-05-31
CN1064770C (zh) 2001-04-18
MX9404250A (es) 1995-01-31
CA2140363A1 (en) 1994-12-22
WO1994029850A1 (en) 1994-12-22
FI950591A7 (fi) 1995-02-10
RU2120141C1 (ru) 1998-10-10
KR100220376B1 (ko) 1999-09-15
DE69421501T2 (de) 2000-07-06
SE9304058D0 (sv) 1993-12-06
GR3031787T3 (en) 2000-02-29
HK1014071A1 (en) 1999-09-17
US5596678A (en) 1997-01-21
SE9304058L (sv) 1994-12-12
FI950591A0 (fi) 1995-02-10
EP0655161B1 (en) 1999-11-03
AU670698B2 (en) 1996-07-25
TW243570B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1995-03-21
SE503547C2 (sv) 1996-07-01
SG43802A1 (en) 1997-11-14
CN1110884A (zh) 1995-10-25
KR960700499A (ko) 1996-01-20
NZ267734A (en) 1996-06-25
DE69421501D1 (de) 1999-12-09
AU7011594A (en) 1995-01-03
JPH08500234A (ja) 1996-01-09

Similar Documents

Publication Publication Date Title
ES2141236T3 (es) Ocultacion de error de transmision.
ES2141326T3 (es) Ocultacion de bloques perdidos.
ES2129646T3 (es) Ocultacion de bloques rechazados.
ES2161974T3 (es) Modificacion del retardo de pitch durante borrados de trama.
ES2105895T3 (es) Metodo y aparato para proporcionar una respuesta de audio en un canal digital.
SE9702709L (sv) Förfarande och anordning för ekoreducering i ett "hands-free" cellulärt radiokommunikationssystem
DE69521157D1 (de) Polarisationsselektiver Halbleiterlaser, Lichtsender und optisches Kommunikationssystem unter Verwendung dieses Lasers
MX9800830A (es) Administrador de informacion personal para actualizar un perfil de abonado de telecomunicaciones.
CO4370077A1 (es) Radiotelefono con identidades de numeros de telefono simul- taneas y multiples, y un sistema y un metodo que usan dicho radiotelefono
PA8443101A1 (es) Sistema para comunicar mensajes a traves de un canal de control aereo de ida
ES2182424T3 (es) Un aparato de ayuda auditiva.
MX9800829A (es) Metodo y aparato para proporcionar servicios de telecomunicacion en base a un perfil de abonado actualizado por un administrador de informacion personal.
NO974705D0 (no) Transkoder med forebyggelse av tandem-koding av tale
DE3880965D1 (de) Passiver hoerschutz.
WO2002080428A3 (en) Open ring architectures for optical wdm networks
HUP9801988A2 (hu) Eljárás és rendszer felfelé irányuló keret intervallumokon belül felfelé irányuló cella szakaszokhoz történő hozzáférés engedélyezésére
SE9500858L (sv) Anordning och förfarande vid talöverföring och ett telekommunikationssystem omfattande dylik anordning
DE69328847D1 (de) Mobiles Kommunikationsnetzwerk mit Fernaktualisierung der Teilnehmerkennungsmodule in mobilen Endgeräten
IL109389A (en) Apparatus and method for transparent telephony
AR019183A1 (es) Metodo , aparato y disposicion para determinar una localizacion de una senal de sincronizacion de frecuencias entre los datos transmitidos desde eltransmisor y recibidos por el receptor en una red de comunicaciones.
GT199700034A (es) Aparato y metodo para supervisar comunicaciones de canales derivados
AR033822A1 (es) Un metodo y disposicion para comunicar informacion de descriptor de silencio en un sistema de comunicaciones con conmutacion de paquetes, un metodo para comunicar informacion en un sistema de telecomunicaciones celulares
MX9606711A (es) Sistema de comunicacion y metodo que utilizan radio-localizacion de dos vias, para proporcionar control de llamada.
DE69507347D1 (de) Polarisationsselektiver Halbleiterlaser, Lichtsender, und optisches Kommunikationssystem unter Verwendung dieses Lasers
ES2093065T3 (es) Sistema de comunicacion con grupos de construccion de conexion, un campo de acoplamiento que sirve para la transconexion de comunicaciones, un canal central de caracteres asi como un sistema de multiprocesador que sirve para el control central.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 655161

Country of ref document: ES