NZ267734A - Frame based radio communication receiver with lost frame concealment - Google Patents

Frame based radio communication receiver with lost frame concealment

Info

Publication number
NZ267734A
NZ267734A NZ267734A NZ26773494A NZ267734A NZ 267734 A NZ267734 A NZ 267734A NZ 267734 A NZ267734 A NZ 267734A NZ 26773494 A NZ26773494 A NZ 26773494A NZ 267734 A NZ267734 A NZ 267734A
Authority
NZ
New Zealand
Prior art keywords
frame
filter
concealing
updating
speech
Prior art date
Application number
NZ267734A
Other languages
English (en)
Inventor
Karl Torbjorn Wigren
Rolf Anders Bergstrom
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
Publication of NZ267734A publication Critical patent/NZ267734A/en

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)
NZ267734A 1993-06-11 1994-06-02 Frame based radio communication receiver with lost frame concealment NZ267734A (en)

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
NZ267734A true NZ267734A (en) 1996-06-25

Family

ID=26661771

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ267734A NZ267734A (en) 1993-06-11 1994-06-02 Frame based radio communication receiver with lost frame concealment

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
DE69421501D1 (de) 1999-12-09
AU7011594A (en) 1995-01-03
JPH08500234A (ja) 1996-01-09
ES2141326T3 (es) 2000-03-16

Similar Documents

Publication Publication Date Title
AU670699B2 (en) Transmission error concealment
EP0655159B1 (en) Rejected frame concealment
AU670698B2 (en) Lost frame concealment
WO1995016315A1 (en) Soft error correction in a tdma radio system
AU701526B2 (en) Processing speech coding parameters in a telecommunication system
HK1014071B (en) Lost frame concealment
JPH0697846A (ja) 無線通信装置
HK1013880B (en) Transmission error concealment
HK1012749B (en) Rejected frame concealment
KR100634733B1 (ko) 오디오 비트스트림의 패킷 전송 제어 방법
JP2006325226A (ja) ブロックごとに符号化された音声信号受信機用の音量制御装置

Legal Events

Date Code Title Description
RENW Renewal (renewal fees accepted)