ATE452402T1 - Unterstützung eines wechsels zwischen audiocodierer-betriebsarten - Google Patents

Unterstützung eines wechsels zwischen audiocodierer-betriebsarten

Info

Publication number
ATE452402T1
ATE452402T1 AT05718506T AT05718506T ATE452402T1 AT E452402 T1 ATE452402 T1 AT E452402T1 AT 05718506 T AT05718506 T AT 05718506T AT 05718506 T AT05718506 T AT 05718506T AT E452402 T1 ATE452402 T1 AT E452402T1
Authority
AT
Austria
Prior art keywords
section
encoding
coder mode
audio encoding
coding model
Prior art date
Application number
AT05718506T
Other languages
English (en)
Inventor
Pasi Ojala
Jari Maekinen
Ari Lakaniemi
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE452402T1 publication Critical patent/ATE452402T1/de

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
    • G10L19/04—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 using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT05718506T 2004-05-19 2005-04-15 Unterstützung eines wechsels zwischen audiocodierer-betriebsarten ATE452402T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/848,971 US7596486B2 (en) 2004-05-19 2004-05-19 Encoding an audio signal using different audio coder modes
PCT/IB2005/001068 WO2005114654A1 (en) 2004-05-19 2005-04-15 Supporting a switch between audio coder modes

Publications (1)

Publication Number Publication Date
ATE452402T1 true ATE452402T1 (de) 2010-01-15

Family

ID=34964617

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05718506T ATE452402T1 (de) 2004-05-19 2005-04-15 Unterstützung eines wechsels zwischen audiocodierer-betriebsarten

Country Status (14)

Country Link
US (1) US7596486B2 (de)
EP (1) EP1747556B1 (de)
JP (1) JP2007538283A (de)
CN (1) CN1954367B (de)
AT (1) ATE452402T1 (de)
AU (1) AU2005246538B2 (de)
BR (1) BRPI0511158A (de)
CA (1) CA2566489A1 (de)
DE (1) DE602005018346D1 (de)
MX (1) MXPA06012616A (de)
RU (1) RU2006139794A (de)
TW (1) TW200609500A (de)
WO (1) WO2005114654A1 (de)
ZA (1) ZA200609562B (de)

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KR20100007738A (ko) * 2008-07-14 2010-01-22 한국전자통신연구원 음성/오디오 통합 신호의 부호화/복호화 장치
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KR101670063B1 (ko) * 2008-09-18 2016-10-28 한국전자통신연구원 Ｍｄｃｔ 기반의 코더와 이종의 코더 간 변환에서의 인코딩 장치 및 디코딩 장치
KR20130133917A (ko) * 2008-10-08 2013-12-09 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다중 분해능 스위치드 오디오 부호화/복호화 방법
FR2936898A1 (fr) * 2008-10-08 2010-04-09 France Telecom Codage a echantillonnage critique avec codeur predictif
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KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
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JP5699141B2 (ja) * 2009-06-23 2015-04-08 ヴォイスエイジ・コーポレーション 重み付けされた信号領域またはオリジナルの信号領域で適用される順方向時間領域エイリアシング取り消し
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BR112012009032B1 (pt) * 2009-10-20 2021-09-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. Codificador de sinal de áudio, decodificador de sinal de áudio, método para prover uma representação codificada de um conteúdo de áudio, método para prover uma representação decodificada de um conteúdo de áudio para uso em aplicações de baixo retardamento
WO2011085483A1 (en) * 2010-01-13 2011-07-21 Voiceage Corporation Forward time-domain aliasing cancellation using linear-predictive filtering
CN102934161B (zh) 2010-06-14 2015-08-26 松下电器产业株式会社 音频混合编码装置以及音频混合解码装置
EP3079152B1 (de) 2010-07-02 2018-06-06 Dolby International AB Audiodekodierung mit selektiver nachfilterung
FR2969805A1 (fr) * 2010-12-23 2012-06-29 France Telecom Codage bas retard alternant codage predictif et codage par transformee
EP3684104B1 (de) * 2011-06-09 2026-01-14 Panasonic Intellectual Property Corporation of America Kommunikationsendgerät und kommunikationsverfahren
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CN102769591B (zh) 2012-06-21 2015-04-08 天地融科技股份有限公司 音频通信调制方式自适应的方法、系统、装置、电子签名工具
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EP2863386A1 (de) 2013-10-18 2015-04-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecodierer, Vorrichtung zur Erzeugung von codierten Audioausgangsdaten und Verfahren zur Initialisierung eines Decodierers
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Also Published As

Publication number Publication date
MXPA06012616A (es) 2006-12-15
DE602005018346D1 (de) 2010-01-28
AU2005246538A1 (en) 2005-12-01
CA2566489A1 (en) 2005-12-01
EP1747556A1 (de) 2007-01-31
AU2005246538B2 (en) 2009-01-08
EP1747556B1 (de) 2009-12-16
WO2005114654A1 (en) 2005-12-01
CN1954367B (zh) 2010-12-08
US20050261900A1 (en) 2005-11-24
RU2006139794A (ru) 2008-06-27
JP2007538283A (ja) 2007-12-27
BRPI0511158A (pt) 2007-12-04
ZA200609562B (en) 2008-07-30
TW200609500A (en) 2006-03-16
CN1954367A (zh) 2007-04-25
US7596486B2 (en) 2009-09-29

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