SE503547C2 - Anordning och förfarande för döljande av förlorade ramar - Google Patents

Anordning och förfarande för döljande av förlorade ramar

Info

Publication number
SE503547C2
SE503547C2 SE9304058A SE9304058A SE503547C2 SE 503547 C2 SE503547 C2 SE 503547C2 SE 9304058 A SE9304058 A SE 9304058A SE 9304058 A SE9304058 A SE 9304058A SE 503547 C2 SE503547 C2 SE 503547C2
Authority
SE
Sweden
Prior art keywords
frame
filter
stationary
loss
updating
Prior art date
Application number
SE9304058A
Other languages
English (en)
Swedish (sv)
Other versions
SE9304058D0 (sv
SE9304058L (sv
Inventor
K Torbjoern Wigren
R Anders Bergstroem
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
Priority to SE9304058A priority Critical patent/SE503547C2/sv
Publication of SE9304058D0 publication Critical patent/SE9304058D0/xx
Priority to SE9401462A priority patent/SE502244C2/sv
Priority to ES94919039T priority patent/ES2129646T3/es
Priority to JP7501661A priority patent/JPH08500233A/ja
Priority to CN94190363A priority patent/CN1064769C/zh
Priority to SG1996000949A priority patent/SG45176A1/en
Priority to SG1996001012A priority patent/SG43802A1/en
Priority to RU95108221A priority patent/RU2120141C1/ru
Priority to DK95901980T priority patent/DK0655161T3/da
Priority to RU95108220A priority patent/RU2120667C1/ru
Priority to EP95901980A priority patent/EP0655161B1/en
Priority to CA002140363A priority patent/CA2140363A1/en
Priority to KR1019950700530A priority patent/KR100220376B1/ko
Priority to DE69421501T priority patent/DE69421501T2/de
Priority to PCT/SE1994/000532 priority patent/WO1994029850A1/en
Priority to NZ267734A priority patent/NZ267734A/en
Priority to CN94190364A priority patent/CN1064770C/zh
Priority to AU70114/94A priority patent/AU670514B2/en
Priority to EP94919039A priority patent/EP0655159B1/en
Priority to DK94919039T priority patent/DK0655159T3/da
Priority to CA002140364A priority patent/CA2140364A1/en
Priority to NZ267733A priority patent/NZ267733A/en
Priority to DE69416493T priority patent/DE69416493T2/de
Priority to JP7501662A priority patent/JPH08500234A/ja
Priority to AU70115/94A priority patent/AU670698B2/en
Priority to PCT/SE1994/000531 priority patent/WO1994029849A1/en
Priority to KR1019950700529A priority patent/KR100220380B1/ko
Priority to ES95901980T priority patent/ES2141326T3/es
Priority to MX9404252A priority patent/MX9404252A/es
Priority to MX9404250A priority patent/MX9404250A/es
Priority to US08/258,577 priority patent/US5596678A/en
Priority to US08/258,578 priority patent/US5572622A/en
Priority to TW083105475A priority patent/TW243570B/zh
Priority to TW083105447A priority patent/TW350172B/zh
Publication of SE9304058L publication Critical patent/SE9304058L/xx
Priority to FI950590A priority patent/FI950590A/fi
Priority to FI950591A priority patent/FI950591A0/fi
Publication of SE503547C2 publication Critical patent/SE503547C2/sv
Priority to HK98113791A priority patent/HK1012749A1/xx
Priority to HK98115265A priority patent/HK1014071A1/xx
Priority to GR990400814T priority patent/GR3029729T3/el
Priority to GR990402880T priority patent/GR3031787T3/el

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)
SE9304058A 1993-06-11 1993-12-06 Anordning och förfarande för döljande av förlorade ramar SE503547C2 (sv)

Priority Applications (40)

Application Number Priority Date Filing Date Title
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
KR1019950700529A KR100220380B1 (ko) 1993-06-11 1994-06-02 거절된 프레임을 은익하는 방법 및 장치
ES95901980T ES2141326T3 (es) 1993-06-11 1994-06-02 Ocultacion de bloques perdidos.
DK94919039T DK0655159T3 (da) 1993-06-11 1994-06-02 Maskering af afviste rammer
NZ267733A NZ267733A (en) 1993-06-11 1994-06-02 Frame based radio communication receiver with rejected frame concealment
CN94190363A CN1064769C (zh) 1993-06-11 1994-06-02 改进无线电通信系统中声频信号解码的设备和方法
SG1996000949A SG45176A1 (en) 1993-06-11 1994-06-02 Rejected frame concealment
SG1996001012A SG43802A1 (en) 1993-06-11 1994-06-02 Lost frame concealment
RU95108221A RU2120141C1 (ru) 1993-06-11 1994-06-02 Устройство и способ маскирования последствий потери кадров
DK95901980T DK0655161T3 (da) 1993-06-11 1994-06-02 Maskering af tabte rammer
RU95108220A RU2120667C1 (ru) 1993-06-11 1994-06-02 Способ и устройство для маскирования отброшенных кадров
EP95901980A EP0655161B1 (en) 1993-06-11 1994-06-02 Lost frame concealment
CA002140363A CA2140363A1 (en) 1993-06-11 1994-06-02 Lost frame concealment
KR1019950700530A KR100220376B1 (ko) 1993-06-11 1994-06-02 상실프레임 은익장치 및 방법
DE69421501T DE69421501T2 (de) 1993-06-11 1994-06-02 Verdeckung von verlorenen signalfenstern
PCT/SE1994/000532 WO1994029850A1 (en) 1993-06-11 1994-06-02 Lost frame concealment
NZ267734A NZ267734A (en) 1993-06-11 1994-06-02 Frame based radio communication receiver with lost frame concealment
CN94190364A CN1064770C (zh) 1993-06-11 1994-06-02 接收机中用以隐蔽语音译码器中失帧影响的设备和方法
AU70114/94A AU670514B2 (en) 1993-06-11 1994-06-02 Rejected frame concealment
EP94919039A EP0655159B1 (en) 1993-06-11 1994-06-02 Rejected frame concealment
ES94919039T ES2129646T3 (es) 1993-06-11 1994-06-02 Ocultacion de bloques rechazados.
CA002140364A CA2140364A1 (en) 1993-06-11 1994-06-02 Rejected frame concealment
JP7501661A JPH08500233A (ja) 1993-06-11 1994-06-02 拒否されたフレームの隠蔽
DE69416493T DE69416493T2 (de) 1993-06-11 1994-06-02 Verdeckung von ausschussrahmen
JP7501662A JPH08500234A (ja) 1993-06-11 1994-06-02 損失フレームの隠蔽（ｃｏｎｃｅａｌｍｅｎｔ）
AU70115/94A AU670698B2 (en) 1993-06-11 1994-06-02 Lost frame concealment
PCT/SE1994/000531 WO1994029849A1 (en) 1993-06-11 1994-06-02 Rejected frame concealment
MX9404250A MX9404250A (es) 1993-06-11 1994-06-06 Ocultacion de cuadro perdido.
MX9404252A MX9404252A (es) 1993-06-11 1994-06-06 Ocultacion de cuadro rechazado.
US08/258,578 US5572622A (en) 1993-06-11 1994-06-10 Rejected frame concealment
US08/258,577 US5596678A (en) 1993-06-11 1994-06-10 Lost frame concealment
TW083105475A TW243570B (fi) 1993-06-11 1994-06-16
TW083105447A TW350172B (en) 1993-06-11 1994-06-16 Rejected frame concealment
FI950590A FI950590A (fi) 1993-06-11 1995-02-10 Radioliikennejärjestelmässä käytettävä menetelmä ja järjestely
FI950591A FI950591A0 (fi) 1993-06-11 1995-02-10 Menetettyjen kehysten peittäminen
HK98113791A HK1012749A1 (en) 1993-06-11 1998-12-16 Rejected frame concealment
HK98115265A HK1014071A1 (en) 1993-06-11 1998-12-23 Lost frame concealment
GR990400814T GR3029729T3 (en) 1993-06-11 1999-03-19 Rejected frame concealment.
GR990402880T GR3031787T3 (en) 1993-06-11 1999-11-09 Lost frame concealment.

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 (3)

Publication Number Publication Date
SE9304058D0 SE9304058D0 (sv) 1993-12-06
SE9304058L SE9304058L (sv) 1994-12-12
SE503547C2 true SE503547C2 (sv) 1996-07-01

Family

ID=26661771

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9304058A SE503547C2 (sv) 1993-06-11 1993-12-06 Anordning och förfarande för döljande av förlorade ramar

Country Status (20)

Country Link
US (1) US5596678A (fi)
EP (1) EP0655161B1 (fi)
JP (1) JPH08500234A (fi)
KR (1) KR100220376B1 (fi)
CN (1) CN1064770C (fi)
AU (1) AU670698B2 (fi)
CA (1) CA2140363A1 (fi)
DE (1) DE69421501T2 (fi)
DK (1) DK0655161T3 (fi)
ES (1) ES2141326T3 (fi)
FI (1) FI950591A0 (fi)
GR (1) GR3031787T3 (fi)
HK (1) HK1014071A1 (fi)
MX (1) MX9404250A (fi)
NZ (1) NZ267734A (fi)
RU (1) RU2120141C1 (fi)
SE (1) SE503547C2 (fi)
SG (1) SG43802A1 (fi)
TW (1) TW243570B (fi)
WO (1) WO1994029850A1 (fi)

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
AU2006208530B2 (en) 2005-01-31 2010-10-28 Microsoft Technology Licensing, Llc Method for generating concealment frames in communication system
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
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
HK1014071A1 (en) 1999-09-17
KR100220376B1 (ko) 1999-09-15
SE9304058D0 (sv) 1993-12-06
FI950591A (fi) 1995-02-10
MX9404250A (es) 1995-01-31
JPH08500234A (ja) 1996-01-09
RU2120141C1 (ru) 1998-10-10
CN1064770C (zh) 2001-04-18
SE9304058L (sv) 1994-12-12
WO1994029850A1 (en) 1994-12-22
CA2140363A1 (en) 1994-12-22
KR960700499A (ko) 1996-01-20
EP0655161A1 (en) 1995-05-31
AU7011594A (en) 1995-01-03
ES2141326T3 (es) 2000-03-16
AU670698B2 (en) 1996-07-25
NZ267734A (en) 1996-06-25
US5596678A (en) 1997-01-21
TW243570B (fi) 1995-03-21
DE69421501T2 (de) 2000-07-06
DE69421501D1 (de) 1999-12-09
DK0655161T3 (da) 2000-01-03
CN1110884A (zh) 1995-10-25
GR3031787T3 (en) 2000-02-29
SG43802A1 (en) 1997-11-14
FI950591A0 (fi) 1995-02-10
EP0655161B1 (en) 1999-11-03

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