HK1247430A1 - 音頻解碼器、音頻編碼器、把一個音頻信號解碼和編碼的方法及計算機程序 - Google Patents

音頻解碼器、音頻編碼器、把一個音頻信號解碼和編碼的方法及計算機程序

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Publication number
HK1247430A1
HK1247430A1 HK18106399.4A HK18106399A HK1247430A1 HK 1247430 A1 HK1247430 A1 HK 1247430A1 HK 18106399 A HK18106399 A HK 18106399A HK 1247430 A1 HK1247430 A1 HK 1247430A1
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HK
Hong Kong
Prior art keywords
audio
decoding
encoding
methods
computer program
Prior art date
Application number
HK18106399.4A
Other languages
English (en)
Inventor
Max Neuendorf
Jérémie Lecomte
Markus Multrus
Stefan Bayer
Frederik Nagel
Guillaume Fuchs
Julien Robilliard
Nikolaus Rettelbach
Ralf Geiger
Bernhard Grill
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 HK1247430A1 publication Critical patent/HK1247430A1/zh

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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
    • G10L19/022—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)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
HK18106399.4A 2009-01-28 2018-05-17 音頻解碼器、音頻編碼器、把一個音頻信號解碼和編碼的方法及計算機程序 HK1247430A1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14789509P 2009-01-28 2009-01-28

Publications (1)

Publication Number Publication Date
HK1247430A1 true HK1247430A1 (zh) 2018-09-21

Family

ID=42110129

Family Applications (3)

Application Number Title Priority Date Filing Date
HK18106399.4A HK1247430A1 (zh) 2009-01-28 2018-05-17 音頻解碼器、音頻編碼器、把一個音頻信號解碼和編碼的方法及計算機程序
HK18106400.1A HK1247431A1 (zh) 2009-01-28 2018-05-17 音頻編碼器、把一個音頻信號編碼的方法及計算機程序
HK18108130.4A HK1248909A1 (zh) 2009-01-28 2018-06-25 音頻解碼器、音頻編碼器、把一個音頻信號解碼和編碼的方法及計算機程序

Family Applications After (2)

Application Number Title Priority Date Filing Date
HK18106400.1A HK1247431A1 (zh) 2009-01-28 2018-05-17 音頻編碼器、把一個音頻信號編碼的方法及計算機程序
HK18108130.4A HK1248909A1 (zh) 2009-01-28 2018-06-25 音頻解碼器、音頻編碼器、把一個音頻信號解碼和編碼的方法及計算機程序

Country Status (6)

Country Link
US (1) US8457975B2 (zh)
EP (4) EP3261088A1 (zh)
ES (1) ES2645037T3 (zh)
HK (3) HK1247430A1 (zh)
PL (1) PL2214164T3 (zh)
PT (1) PT2214164T (zh)

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Also Published As

Publication number Publication date
EP2214164B1 (en) 2017-08-02
EP3261088A1 (en) 2017-12-27
US20100217607A1 (en) 2010-08-26
PL2214164T3 (pl) 2018-01-31
ES2645037T3 (es) 2017-12-01
EP3252760A1 (en) 2017-12-06
EP2214164A3 (en) 2011-01-26
HK1247431A1 (zh) 2018-09-21
EP2214164A2 (en) 2010-08-04
US8457975B2 (en) 2013-06-04
HK1248909A1 (zh) 2018-10-19
EP3252759A1 (en) 2017-12-06
PT2214164T (pt) 2017-11-14

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