DE69633164D1 - Tondekoder - Google Patents

Tondekoder

Info

Publication number
DE69633164D1
DE69633164D1 DE69633164T DE69633164T DE69633164D1 DE 69633164 D1 DE69633164 D1 DE 69633164D1 DE 69633164 T DE69633164 T DE 69633164T DE 69633164 T DE69633164 T DE 69633164T DE 69633164 D1 DE69633164 D1 DE 69633164D1
Authority
DE
Germany
Prior art keywords
tone decoder
tone
decoder
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
DE69633164T
Other languages
English (en)
Other versions
DE69633164T2 (de
Inventor
Nobuhiko Naka
Tomoyuki Ohya
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.)
NTT Docomo Inc
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
NTT Mobile Communications Networks Inc
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
Application filed by Nippon Telegraph and Telephone Corp, NTT Mobile Communications Networks Inc filed Critical Nippon Telegraph and Telephone Corp
Publication of DE69633164D1 publication Critical patent/DE69633164D1/de
Application granted granted Critical
Publication of DE69633164T2 publication Critical patent/DE69633164T2/de
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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1806—Pulse code modulation systems for audio signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Theoretical Computer Science (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Probability & Statistics with Applications (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DE69633164T 1995-05-22 1996-05-20 Tondekoder Expired - Lifetime DE69633164T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP12258595 1995-05-22
JP12258595 1995-05-22
PCT/JP1996/001323 WO1996037964A1 (en) 1995-05-22 1996-05-20 Sound decoding device

Publications (2)

Publication Number Publication Date
DE69633164D1 true DE69633164D1 (de) 2004-09-23
DE69633164T2 DE69633164T2 (de) 2005-08-11

Family

ID=14839562

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69633164T Expired - Lifetime DE69633164T2 (de) 1995-05-22 1996-05-20 Tondekoder

Country Status (6)

Country Link
US (1) US6085158A (de)
EP (1) EP0773630B1 (de)
JP (1) JP3155952B2 (de)
CN (1) CN1100396C (de)
DE (1) DE69633164T2 (de)
WO (1) WO1996037964A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI963870A (fi) * 1996-09-27 1998-03-28 Nokia Oy Ab Virheiden piilottaminen digitaalisessa audiovastaanottimessa
US6385195B2 (en) * 1997-07-21 2002-05-07 Telefonaktiebolaget L M Ericsson (Publ) Enhanced interworking function for interfacing digital cellular voice and fax protocols and internet protocols
CN1126076C (zh) * 1998-05-27 2003-10-29 Ntt移动通信网株式会社 语音译码器和语音译码方法
WO1999062055A1 (fr) * 1998-05-27 1999-12-02 Ntt Mobile Communications Network Inc. Decodeur de son et procede de decodage de son
SE519563C2 (sv) * 1998-09-16 2003-03-11 Ericsson Telefon Ab L M Förfarande och kodare för linjär prediktiv analys-genom- synteskodning
US7047190B1 (en) * 1999-04-19 2006-05-16 At&Tcorp. Method and apparatus for performing packet loss or frame erasure concealment
US7117156B1 (en) 1999-04-19 2006-10-03 At&T Corp. Method and apparatus for performing packet loss or frame erasure concealment
DE60030069T2 (de) * 1999-11-23 2007-02-22 Texas Instruments Inc., Dallas Verschleierungsverfahren bei Verlust von Sprachrahmen
JP4597360B2 (ja) * 2000-12-26 2010-12-15 パナソニック株式会社 音声復号装置及び音声復号方法
DE60233283D1 (de) 2001-02-27 2009-09-24 Texas Instruments Inc Verschleierungsverfahren bei Verlust von Sprachrahmen und Dekoder dafer
KR100591350B1 (ko) * 2001-03-06 2006-06-19 가부시키가이샤 엔.티.티.도코모 오디오 데이터 보간장치 및 방법, 오디오 데이터관련 정보작성장치 및 방법, 오디오 데이터 보간 정보 송신장치 및방법, 및 그 프로그램 및 기록 매체
US7590525B2 (en) * 2001-08-17 2009-09-15 Broadcom Corporation Frame erasure concealment for predictive speech coding based on extrapolation of speech waveform
WO2003023763A1 (en) * 2001-08-17 2003-03-20 Broadcom Corporation Improved frame erasure concealment for predictive speech coding based on extrapolation of speech waveform
AU2002216472A1 (en) 2001-11-30 2003-06-10 Telefonaktiebolaget Lm Ericsson (Publ) Method for replacing corrupted audio data
US20050049853A1 (en) * 2003-09-01 2005-03-03 Mi-Suk Lee Frame loss concealment method and device for VoIP system
US7146309B1 (en) 2003-09-02 2006-12-05 Mindspeed Technologies, Inc. Deriving seed values to generate excitation values in a speech coder
US7447983B2 (en) * 2005-05-13 2008-11-04 Verizon Services Corp. Systems and methods for decoding forward error correcting codes
US7930176B2 (en) * 2005-05-20 2011-04-19 Broadcom Corporation Packet loss concealment for block-independent speech codecs
KR100723409B1 (ko) 2005-07-27 2007-05-30 삼성전자주식회사 프레임 소거 은닉장치 및 방법, 및 이를 이용한 음성복호화 방법 및 장치
US7805297B2 (en) * 2005-11-23 2010-09-28 Broadcom Corporation Classification-based frame loss concealment for audio signals
US7877253B2 (en) * 2006-10-06 2011-01-25 Qualcomm Incorporated Systems, methods, and apparatus for frame erasure recovery
KR101761629B1 (ko) * 2009-11-24 2017-07-26 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
US9672833B2 (en) * 2014-02-28 2017-06-06 Google Inc. Sinusoidal interpolation across missing data

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3028066A1 (de) * 1980-07-24 1982-02-18 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zur korrektur gestoerter abtastwerte bei einer pcm-uebertragungseinrichtung, insbesondere einer digital-tonplatte
JP3102015B2 (ja) * 1990-05-28 2000-10-23 日本電気株式会社 音声復号化方法
JPH05175940A (ja) * 1991-12-25 1993-07-13 Toshiba Corp 誤り訂正方式
JPH05199124A (ja) * 1992-01-21 1993-08-06 Nec Corp 音声通信方式
FI90477C (fi) * 1992-03-23 1994-02-10 Nokia Mobile Phones Ltd Puhesignaalin laadun parannusmenetelmä lineaarista ennustusta käyttävään koodausjärjestelmään
JP2962053B2 (ja) * 1992-06-25 1999-10-12 松下電器産業株式会社 信号処理装置
JP2746033B2 (ja) * 1992-12-24 1998-04-28 日本電気株式会社 音声復号化装置
SE503547C2 (sv) * 1993-06-11 1996-07-01 Ericsson Telefon Ab L M Anordning och förfarande för döljande av förlorade ramar
US5574825A (en) * 1994-03-14 1996-11-12 Lucent Technologies Inc. Linear prediction coefficient generation during frame erasure or packet loss
US5615298A (en) * 1994-03-14 1997-03-25 Lucent Technologies Inc. Excitation signal synthesis during frame erasure or packet loss
KR100419545B1 (ko) * 1994-10-06 2004-06-04 코닌클리케 필립스 일렉트로닉스 엔.브이. 다른코딩원리들을이용한전송시스템
FI97182C (fi) * 1994-12-05 1996-10-25 Nokia Telecommunications Oy Menetelmä vastaanotettujen huonojen puhekehysten korvaamiseksi digitaalisessa vastaanottimessa sekä digitaalisen tietoliikennejärjestelmän vastaanotin

Also Published As

Publication number Publication date
CN1159260A (zh) 1997-09-10
CN1100396C (zh) 2003-01-29
EP0773630A4 (de) 2000-11-08
DE69633164T2 (de) 2005-08-11
JP3155952B2 (ja) 2001-04-16
WO1996037964A1 (en) 1996-11-28
US6085158A (en) 2000-07-04
EP0773630B1 (de) 2004-08-18
EP0773630A1 (de) 1997-05-14

Similar Documents

Publication Publication Date Title
DE69633164D1 (de) Tondekoder
ATA82296A (de) Tonmischpult
DK0822982T3 (da) Cyclomaltodextringlucanotransferasevarianter
DE69635064T2 (de) Tonmischpult
DE69608259D1 (de) Verbunddamenbinde
BR9603743A (pt) Decodificador convolucional
NO951884D0 (no) Stöpeutstyr
NO975979D0 (no) Mikrobölgeoppvarmingsapparat
ATA135896A (de) Skibob
DK0741272T3 (da) UV-stråler
DE69635973D1 (de) Audio-Teilbandkodierverfahren
ATE198470T1 (de) Alkenyl-benzoylguanidine
ATE240972T1 (de) Cyclopeptolide
DE69633757D1 (de) Spracherkenner
ATA119896A (de) Scheibenmähwerk
KR960038452U (ko) 개선된 클라리넷의 구조
KR960033380U (ko) 조립식 가구
KR970026755U (ko) 악보장농
SE9504054D0 (sv) Gitarrställ
KR960032501U (ko) 물소리 음향기
KR960032500U (ko) 현악기용 안치대
FI952366A0 (fi) Stoedanordning foer violin
KR970025294U (ko) 음색을 달리내는 북채
ES1035770Y (es) Abaco musical
DE59509995D1 (de) Dekoder

Legal Events

Date Code Title Description
8364 No opposition during term of opposition