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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KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
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RU2596594C2 (ru) * 2009-10-20 2016-09-10 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Кодер аудиосигнала, декодер аудиосигнала, способ кодированного представления аудиоконтента, способ декодированного представления аудиоконтента и компьютерная программа для приложений с малой задержкой
TR201900663T4 (tr) 2010-01-13 2019-02-21 Voiceage Corp Doğrusal öngörücü filtreleme kullanarak ileri doğru zaman alanı alıasıng iptali ile ses kod çözümü.
KR101790373B1 (ko) 2010-06-14 2017-10-25 파나소닉 주식회사 오디오 하이브리드 부호화 장치 및 오디오 하이브리드 복호 장치
CA3025108C (en) 2010-07-02 2020-10-27 Dolby International Ab Audio decoding with selective post filtering
FR2969805A1 (fr) * 2010-12-23 2012-06-29 France Telecom Codage bas retard alternant codage predictif et codage par transformee
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JP5197838B2 (ja) * 2011-12-06 2013-05-15 株式会社エヌ・ティ・ティ・ドコモ 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム
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
KR101434206B1 (ko) 2012-07-25 2014-08-27 삼성전자주식회사 신호 복호화 장치
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Also Published As

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

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