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DE60002483D1 - Skalierbares kodierungsverfahren für hochqualitätsaudio - Google Patents

Skalierbares kodierungsverfahren für hochqualitätsaudio

Info

Publication number
DE60002483D1
DE60002483D1 DE60002483T DE60002483T DE60002483D1 DE 60002483 D1 DE60002483 D1 DE 60002483D1 DE 60002483 T DE60002483 T DE 60002483T DE 60002483 T DE60002483 T DE 60002483T DE 60002483 D1 DE60002483 D1 DE 60002483D1
Authority
DE
Germany
Prior art keywords
coding
noise spectrum
desired noise
audio
data
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
DE60002483T
Other languages
English (en)
Other versions
DE60002483T2 (de
Inventor
Dunn Fielder
Decker Vernon
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.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing 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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of DE60002483D1 publication Critical patent/DE60002483D1/de
Application granted granted Critical
Publication of DE60002483T2 publication Critical patent/DE60002483T2/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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G10L19/0208—Subband vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (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)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE60002483T 1999-08-09 2000-08-04 Skalierbares kodierungsverfahren für hochqualitätsaudio Expired - Lifetime DE60002483T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US370562 1999-08-09
US09/370,562 US6446037B1 (en) 1999-08-09 1999-08-09 Scalable coding method for high quality audio
PCT/US2000/021303 WO2001011609A1 (en) 1999-08-09 2000-08-04 Scalable coding method for high quality audio

Publications (2)

Publication Number Publication Date
DE60002483D1 true DE60002483D1 (de) 2003-06-05
DE60002483T2 DE60002483T2 (de) 2004-03-25

Family

ID=23460204

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60002483T Expired - Lifetime DE60002483T2 (de) 1999-08-09 2000-08-04 Skalierbares kodierungsverfahren für hochqualitätsaudio

Country Status (13)

Country Link
US (1) US6446037B1 (de)
EP (1) EP1210712B1 (de)
JP (1) JP4731774B2 (de)
KR (1) KR100903017B1 (de)
CN (1) CN1153191C (de)
AT (1) ATE239291T1 (de)
AU (1) AU774862B2 (de)
CA (1) CA2378991A1 (de)
DE (1) DE60002483T2 (de)
DK (1) DK1210712T3 (de)
ES (1) ES2194765T3 (de)
TW (1) TW526470B (de)
WO (1) WO2001011609A1 (de)

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JP3134817B2 (ja) * 1997-07-11 2001-02-13 日本電気株式会社 音声符号化復号装置
DE19743662A1 (de) * 1997-10-02 1999-04-08 Bosch Gmbh Robert Verfahren und Vorrichtung zur Erzeugung eines bitratenskalierbaren Audio-Datenstroms
KR100335611B1 (ko) 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치
KR100335609B1 (ko) * 1997-11-20 2002-10-04 삼성전자 주식회사 비트율조절이가능한오디오부호화/복호화방법및장치

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EP1210712A1 (de) 2002-06-05
JP2003506763A (ja) 2003-02-18
TW526470B (en) 2003-04-01
ATE239291T1 (de) 2003-05-15
CA2378991A1 (en) 2001-02-15
US6446037B1 (en) 2002-09-03
AU6758400A (en) 2001-03-05
AU774862B2 (en) 2004-07-08
DE60002483T2 (de) 2004-03-25
CN1369092A (zh) 2002-09-11
EP1210712B1 (de) 2003-05-02
CN1153191C (zh) 2004-06-09
ES2194765T3 (es) 2003-12-01
WO2001011609A1 (en) 2001-02-15
DK1210712T3 (da) 2003-08-11

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