DE20321886U1 - Inverse Quantisierung für Audio - Google Patents

Inverse Quantisierung für Audio Download PDF

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Publication number
DE20321886U1
DE20321886U1 DE20321886U DE20321886U DE20321886U1 DE 20321886 U1 DE20321886 U1 DE 20321886U1 DE 20321886 U DE20321886 U DE 20321886U DE 20321886 U DE20321886 U DE 20321886U DE 20321886 U1 DE20321886 U1 DE 20321886U1
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encoder
channel
audio
weighting factor
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Microsoft Corp
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Microsoft Corp
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Priority claimed from US10/642,551 external-priority patent/US7299190B2/en
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    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE20321886U 2002-09-04 2003-09-04 Inverse Quantisierung für Audio Expired - Lifetime DE20321886U1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US40851702P 2002-09-04 2002-09-04
US60/408,517 2002-09-04
US10/642,551 US7299190B2 (en) 2002-09-04 2003-08-15 Quantization and inverse quantization for audio
US10/642,551 2003-08-15

Publications (1)

Publication Number Publication Date
DE20321886U1 true DE20321886U1 (de) 2012-03-02

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DE20321886U Expired - Lifetime DE20321886U1 (de) 2002-09-04 2003-09-04 Inverse Quantisierung für Audio
DE60325310T Expired - Lifetime DE60325310D1 (de) 2002-09-04 2003-09-04 Quantisierung und inverse Quantisierung für Tonsignale

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DE60325310T Expired - Lifetime DE60325310D1 (de) 2002-09-04 2003-09-04 Quantisierung und inverse Quantisierung für Tonsignale

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US (2) US8069052B2 (enExample)
EP (3) EP2261897A1 (enExample)
JP (2) JP4676140B2 (enExample)
AT (1) ATE418136T1 (enExample)
DE (2) DE20321886U1 (enExample)
ES (1) ES2316679T3 (enExample)

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KR20190039562A (ko) * 2016-09-01 2019-04-12 엘지전자 주식회사 레이어드 기븐스 변환을 이용하여 변환을 수행하는 방법 및 장치
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