PL365018A1 - Kodowanie audio - Google Patents

Kodowanie audio

Info

Publication number
PL365018A1
PL365018A1 PL02365018A PL36501802A PL365018A1 PL 365018 A1 PL365018 A1 PL 365018A1 PL 02365018 A PL02365018 A PL 02365018A PL 36501802 A PL36501802 A PL 36501802A PL 365018 A1 PL365018 A1 PL 365018A1
Authority
PL
Poland
Prior art keywords
audio coding
coding
audio
Prior art date
Application number
PL02365018A
Other languages
English (en)
Inventor
De Kerkhof Leon M. Van
Arnoldus W.J. Oomen
Original Assignee
Koninklijke Philips Electronics N.V.
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 Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Publication of PL365018A1 publication Critical patent/PL365018A1/pl

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL02365018A 2001-04-18 2002-04-09 Kodowanie audio PL365018A1 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01201404 2001-04-18
PCT/IB2002/001297 WO2002084646A1 (en) 2001-04-18 2002-04-09 Audio coding

Publications (1)

Publication Number Publication Date
PL365018A1 true PL365018A1 (pl) 2004-12-27

Family

ID=8180169

Family Applications (1)

Application Number Title Priority Date Filing Date
PL02365018A PL365018A1 (pl) 2001-04-18 2002-04-09 Kodowanie audio

Country Status (8)

Country Link
US (1) US7197454B2 (pl)
EP (1) EP1382035A1 (pl)
JP (1) JP2004519741A (pl)
KR (1) KR20030011912A (pl)
CN (1) CN1240048C (pl)
BR (1) BR0204834A (pl)
PL (1) PL365018A1 (pl)
WO (1) WO2002084646A1 (pl)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100935961B1 (ko) * 2001-11-14 2010-01-08 파나소닉 주식회사 부호화 장치 및 복호화 장치
WO2004008806A1 (en) * 2002-07-16 2004-01-22 Koninklijke Philips Electronics N.V. Audio coding
KR20050086762A (ko) * 2002-11-27 2005-08-30 코닌클리케 필립스 일렉트로닉스 엔.브이. 정현파 오디오 코딩
CN100508030C (zh) * 2003-06-30 2009-07-01 皇家飞利浦电子股份有限公司 一种编码/解码音频信号的方法及相应设备
BRPI0412717A (pt) * 2003-07-18 2006-09-26 Koninkl Philips Electronics Nv métodos para codificar um sinal e para decodificar um fluxo de áudio, codoficador de áudio, reprodutor de áudio, sistema de áudio, fluxo de áudio, e, meio de armazenagem
US20070033014A1 (en) * 2003-09-09 2007-02-08 Koninklijke Philips Electronics N.V. Encoding of transient audio signal components
US8065139B2 (en) * 2004-06-21 2011-11-22 Koninklijke Philips Electronics N.V. Method of audio encoding
CN101116135B (zh) * 2005-02-10 2012-11-14 皇家飞利浦电子股份有限公司 声音合成
KR20070025905A (ko) * 2005-08-30 2007-03-08 엘지전자 주식회사 멀티채널 오디오 코딩에서 효과적인 샘플링 주파수비트스트림 구성방법
KR101317269B1 (ko) * 2007-06-07 2013-10-14 삼성전자주식회사 정현파 오디오 코딩 방법 및 장치, 그리고 정현파 오디오디코딩 방법 및 장치
KR20090008611A (ko) * 2007-07-18 2009-01-22 삼성전자주식회사 오디오 신호의 인코딩 방법 및 장치
KR101425355B1 (ko) * 2007-09-05 2014-08-06 삼성전자주식회사 파라메트릭 오디오 부호화 및 복호화 장치와 그 방법
US8190440B2 (en) * 2008-02-29 2012-05-29 Broadcom Corporation Sub-band codec with native voice activity detection
KR20090110242A (ko) * 2008-04-17 2009-10-21 삼성전자주식회사 오디오 신호를 처리하는 방법 및 장치
KR101599875B1 (ko) * 2008-04-17 2016-03-14 삼성전자주식회사 멀티미디어의 컨텐트 특성에 기반한 멀티미디어 부호화 방법 및 장치, 멀티미디어의 컨텐트 특성에 기반한 멀티미디어 복호화 방법 및 장치
KR20090110244A (ko) * 2008-04-17 2009-10-21 삼성전자주식회사 오디오 시맨틱 정보를 이용한 오디오 신호의 부호화/복호화 방법 및 그 장치

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55153159A (en) * 1979-05-15 1980-11-28 Sony Corp Digital signal recorder
US4710959A (en) * 1982-04-29 1987-12-01 Massachusetts Institute Of Technology Voice encoder and synthesizer
JP3548230B2 (ja) * 1994-05-30 2004-07-28 キヤノン株式会社 音声合成方法及び装置
JP3559588B2 (ja) * 1994-05-30 2004-09-02 キヤノン株式会社 音声合成方法及び装置
IT1281001B1 (it) * 1995-10-27 1998-02-11 Cselt Centro Studi Lab Telecom Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio.
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
CN1202676C (zh) 1995-12-07 2005-05-18 皇家菲利浦电子有限公司 一种用于对数字式通用盘设备和多路复现装置之间的非pcm位流编码,传送和解码的方法和设备
JPH10187195A (ja) * 1996-12-26 1998-07-14 Canon Inc 音声合成方法および装置
US6356569B1 (en) * 1997-12-31 2002-03-12 At&T Corp Digital channelizer with arbitrary output sampling frequency
EP0957579A1 (en) * 1998-05-15 1999-11-17 Deutsche Thomson-Brandt Gmbh Method and apparatus for sampling-rate conversion of audio signals

Also Published As

Publication number Publication date
CN1240048C (zh) 2006-02-01
JP2004519741A (ja) 2004-07-02
US7197454B2 (en) 2007-03-27
KR20030011912A (ko) 2003-02-11
CN1461467A (zh) 2003-12-10
BR0204834A (pt) 2003-06-10
US20020156619A1 (en) 2002-10-24
WO2002084646A1 (en) 2002-10-24
EP1382035A1 (en) 2004-01-21

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Legal Events

Date Code Title Description
DISC Decisions on discontinuance of the proceedings (taken after the publication of the particulars of the applications)