ATE457512T1 - Audiocodierung mit verschiedenen codierungsrahmenlängen - Google Patents

Audiocodierung mit verschiedenen codierungsrahmenlängen

Info

Publication number
ATE457512T1
ATE457512T1 AT04733394T AT04733394T ATE457512T1 AT E457512 T1 ATE457512 T1 AT E457512T1 AT 04733394 T AT04733394 T AT 04733394T AT 04733394 T AT04733394 T AT 04733394T AT E457512 T1 ATE457512 T1 AT E457512T1
Authority
AT
Austria
Prior art keywords
coding
coding frame
frame length
audio signal
different
Prior art date
Application number
AT04733394T
Other languages
English (en)
Inventor
Jari Maekinen
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 ATE457512T1 publication Critical patent/ATE457512T1/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
    • G10L19/02—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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding

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)
AT04733394T 2004-05-17 2004-05-17 Audiocodierung mit verschiedenen codierungsrahmenlängen ATE457512T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2004/001585 WO2005112003A1 (en) 2004-05-17 2004-05-17 Audio encoding with different coding frame lengths

Publications (1)

Publication Number Publication Date
ATE457512T1 true ATE457512T1 (de) 2010-02-15

Family

ID=34957451

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04733394T ATE457512T1 (de) 2004-05-17 2004-05-17 Audiocodierung mit verschiedenen codierungsrahmenlängen

Country Status (13)

Country Link
US (1) US7860709B2 (de)
EP (1) EP1747554B1 (de)
JP (1) JP2007538282A (de)
CN (1) CN1954364B (de)
AT (1) ATE457512T1 (de)
AU (1) AU2004319556A1 (de)
BR (1) BRPI0418838A (de)
CA (1) CA2566368A1 (de)
DE (1) DE602004025517D1 (de)
ES (1) ES2338117T3 (de)
MX (1) MXPA06012617A (de)
TW (1) TW200609902A (de)
WO (1) WO2005112003A1 (de)

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Also Published As

Publication number Publication date
JP2007538282A (ja) 2007-12-27
AU2004319556A1 (en) 2005-11-24
BRPI0418838A (pt) 2007-11-13
WO2005112003A1 (en) 2005-11-24
TW200609902A (en) 2006-03-16
CN1954364A (zh) 2007-04-25
EP1747554B1 (de) 2010-02-10
DE602004025517D1 (de) 2010-03-25
ES2338117T3 (es) 2010-05-04
CN1954364B (zh) 2011-06-01
MXPA06012617A (es) 2006-12-15
CA2566368A1 (en) 2005-11-24
EP1747554A1 (de) 2007-01-31
US7860709B2 (en) 2010-12-28
US20050267742A1 (en) 2005-12-01

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