HK1072122A1 - 用於可擴縮編碼的設備及方法和用於可擴縮解碼的設備及方法 - Google Patents

用於可擴縮編碼的設備及方法和用於可擴縮解碼的設備及方法

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Publication number
HK1072122A1
HK1072122A1 HK05104838.3A HK05104838A HK1072122A1 HK 1072122 A1 HK1072122 A1 HK 1072122A1 HK 05104838 A HK05104838 A HK 05104838A HK 1072122 A1 HK1072122 A1 HK 1072122A1
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HK
Hong Kong
Prior art keywords
scalable
decoding
coding
scalable coding
scalable decoding
Prior art date
Application number
HK05104838.3A
Other languages
English (en)
Inventor
Ralf Geiger
Thomas Sporer
Karlheinz Brandenburg
Jrgen Herre
Jrgen Koller
Gerald Schuller
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of HK1072122A1 publication Critical patent/HK1072122A1/zh

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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
HK05104838.3A 2002-08-09 2005-06-08 用於可擴縮編碼的設備及方法和用於可擴縮解碼的設備及方法 HK1072122A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10236694A DE10236694A1 (de) 2002-08-09 2002-08-09 Vorrichtung und Verfahren zum skalierbaren Codieren und Vorrichtung und Verfahren zum skalierbaren Decodieren
PCT/EP2003/008623 WO2004021710A2 (de) 2002-08-09 2003-08-04 Vorrichtung und verfahren zum skalierbaren codieren und vorrichtung und verfahren zum skalierbaren decodieren eines audiosignales

Publications (1)

Publication Number Publication Date
HK1072122A1 true HK1072122A1 (zh) 2005-08-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
HK05104838.3A HK1072122A1 (zh) 2002-08-09 2005-06-08 用於可擴縮編碼的設備及方法和用於可擴縮解碼的設備及方法

Country Status (8)

Country Link
US (1) US7343287B2 (zh)
EP (1) EP1502255B1 (zh)
JP (1) JP4043476B2 (zh)
CN (1) CN1332373C (zh)
AU (1) AU2003250209A1 (zh)
DE (1) DE10236694A1 (zh)
HK (1) HK1072122A1 (zh)
WO (1) WO2004021710A2 (zh)

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Also Published As

Publication number Publication date
AU2003250209A8 (en) 2004-03-19
WO2004021710A2 (de) 2004-03-11
CN1332373C (zh) 2007-08-15
US20040184537A1 (en) 2004-09-23
CN1675683A (zh) 2005-09-28
JP4043476B2 (ja) 2008-02-06
WO2004021710A3 (de) 2004-04-22
JP2005535940A (ja) 2005-11-24
EP1502255B1 (de) 2014-11-19
US7343287B2 (en) 2008-03-11
DE10236694A1 (de) 2004-02-26
AU2003250209A1 (en) 2004-03-19
EP1502255A2 (de) 2005-02-02

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