DE60323331D1 - Verfahren und vorrichtung zur audio-kodierung und -dekodierung - Google Patents

Verfahren und vorrichtung zur audio-kodierung und -dekodierung

Info

Publication number
DE60323331D1
DE60323331D1 DE60323331T DE60323331T DE60323331D1 DE 60323331 D1 DE60323331 D1 DE 60323331D1 DE 60323331 T DE60323331 T DE 60323331T DE 60323331 T DE60323331 T DE 60323331T DE 60323331 D1 DE60323331 D1 DE 60323331D1
Authority
DE
Germany
Prior art keywords
decoding
audio encoding
encoding
audio
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
DE60323331T
Other languages
English (en)
Inventor
Naoya Tanaka
Mineo Tsushima
Takeshi Norimatsu
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE60323331D1 publication Critical patent/DE60323331D1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE60323331T 2002-01-30 2003-01-23 Verfahren und vorrichtung zur audio-kodierung und -dekodierung Expired - Lifetime DE60323331D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002022356 2002-01-30
JP2002120428 2002-04-23
PCT/JP2003/000583 WO2003065353A1 (en) 2002-01-30 2003-01-23 Audio encoding and decoding device and methods thereof

Publications (1)

Publication Number Publication Date
DE60323331D1 true DE60323331D1 (de) 2008-10-16

Family

ID=27615726

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60323331T Expired - Lifetime DE60323331D1 (de) 2002-01-30 2003-01-23 Verfahren und vorrichtung zur audio-kodierung und -dekodierung

Country Status (8)

Country Link
US (1) US7246065B2 (de)
EP (1) EP1470550B1 (de)
KR (1) KR100949232B1 (de)
CN (1) CN1288625C (de)
DE (1) DE60323331D1 (de)
MY (1) MY138503A (de)
TW (1) TWI305638B (de)
WO (1) WO2003065353A1 (de)

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Also Published As

Publication number Publication date
WO2003065353A1 (en) 2003-08-07
CN1498396A (zh) 2004-05-19
US7246065B2 (en) 2007-07-17
TWI305638B (en) 2009-01-21
EP1470550B1 (de) 2008-09-03
KR100949232B1 (ko) 2010-03-24
CN1288625C (zh) 2006-12-06
EP1470550A1 (de) 2004-10-27
US20030142746A1 (en) 2003-07-31
KR20040073281A (ko) 2004-08-19
TW200304120A (en) 2003-09-16
MY138503A (en) 2009-06-30

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Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

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