KR100220376B1 - 상실프레임 은익장치 및 방법 - Google Patents

상실프레임 은익장치 및 방법 Download PDF

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Publication number
KR100220376B1
KR100220376B1 KR1019950700530A KR19950700530A KR100220376B1 KR 100220376 B1 KR100220376 B1 KR 100220376B1 KR 1019950700530 A KR1019950700530 A KR 1019950700530A KR 19950700530 A KR19950700530 A KR 19950700530A KR 100220376 B1 KR100220376 B1 KR 100220376B1
Authority
KR
South Korea
Prior art keywords
frame
filter
lost frame
lost
voice
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 - Fee Related
Application number
KR1019950700530A
Other languages
English (en)
Korean (ko)
Other versions
KR960700499A (ko
Inventor
칼 토르브제른 위그렌
롤프 안더스 버그스트룀
Original Assignee
에를링 블로메
텔레폰아크티에볼라게트 엘엠 에릭슨
타게 뢰브그렌
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 에를링 블로메, 텔레폰아크티에볼라게트 엘엠 에릭슨, 타게 뢰브그렌 filed Critical 에를링 블로메
Publication of KR960700499A publication Critical patent/KR960700499A/ko
Application granted granted Critical
Publication of KR100220376B1 publication Critical patent/KR100220376B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)
KR1019950700530A 1993-06-11 1994-06-02 상실프레임 은익장치 및 방법 Expired - Fee Related KR100220376B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SE9302025A SE501340C2 (sv) 1993-06-11 1993-06-11 Döljande av transmissionsfel i en talavkodare
SE9302025-3 1993-06-11
SE9304058A SE503547C2 (sv) 1993-06-11 1993-12-06 Anordning och förfarande för döljande av förlorade ramar
SE9304058-2 1994-04-28
PCT/SE1994/000532 WO1994029850A1 (en) 1993-06-11 1994-06-02 Lost frame concealment

Publications (2)

Publication Number Publication Date
KR960700499A KR960700499A (ko) 1996-01-20
KR100220376B1 true KR100220376B1 (ko) 1999-09-15

Family

ID=26661771

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950700530A Expired - Fee Related KR100220376B1 (ko) 1993-06-11 1994-06-02 상실프레임 은익장치 및 방법

Country Status (19)

Country Link
US (1) US5596678A (enExample)
EP (1) EP0655161B1 (enExample)
JP (1) JPH08500234A (enExample)
KR (1) KR100220376B1 (enExample)
CN (1) CN1064770C (enExample)
AU (1) AU670698B2 (enExample)
CA (1) CA2140363A1 (enExample)
DE (1) DE69421501T2 (enExample)
DK (1) DK0655161T3 (enExample)
ES (1) ES2141326T3 (enExample)
FI (1) FI950591A7 (enExample)
GR (1) GR3031787T3 (enExample)
MX (1) MX9404250A (enExample)
NZ (1) NZ267734A (enExample)
RU (1) RU2120141C1 (enExample)
SE (1) SE503547C2 (enExample)
SG (1) SG43802A1 (enExample)
TW (1) TW243570B (enExample)
WO (1) WO1994029850A1 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1100396C (zh) * 1995-05-22 2003-01-29 Ntt移动通信网株式会社 语音解码器
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
DE10026872A1 (de) 2000-04-28 2001-10-31 Deutsche Telekom Ag Verfahren zur Berechnung einer Sprachaktivitätsentscheidung (Voice Activity Detector)
EP1199709A1 (en) 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Error Concealment in relation to decoding of encoded acoustic signals
CN1961511B (zh) * 2004-06-02 2010-06-09 松下电器产业株式会社 声音数据接收装置及声音数据接收方法
WO2006079348A1 (en) 2005-01-31 2006-08-03 Sonorit Aps 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
US10218327B2 (en) * 2011-01-10 2019-02-26 Zhinian Jing Dynamic enhancement of audio (DAE) in headset systems

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
WO1994029850A1 (en) 1994-12-22
HK1014071A1 (en) 1999-09-17
SE9304058D0 (sv) 1993-12-06
AU670698B2 (en) 1996-07-25
GR3031787T3 (en) 2000-02-29
DK0655161T3 (da) 2000-01-03
TW243570B (enExample) 1995-03-21
KR960700499A (ko) 1996-01-20
SG43802A1 (en) 1997-11-14
CN1064770C (zh) 2001-04-18
CA2140363A1 (en) 1994-12-22
DE69421501T2 (de) 2000-07-06
ES2141326T3 (es) 2000-03-16
SE503547C2 (sv) 1996-07-01
JPH08500234A (ja) 1996-01-09
NZ267734A (en) 1996-06-25
FI950591A0 (fi) 1995-02-10
CN1110884A (zh) 1995-10-25
DE69421501D1 (de) 1999-12-09
EP0655161A1 (en) 1995-05-31
SE9304058L (sv) 1994-12-12
FI950591A7 (fi) 1995-02-10
EP0655161B1 (en) 1999-11-03
RU2120141C1 (ru) 1998-10-10
US5596678A (en) 1997-01-21
AU7011594A (en) 1995-01-03
MX9404250A (es) 1995-01-31

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