HK1223452A1 - 用於對音頻樣本進行編碼和解碼的音頻編碼器和解碼器 - Google Patents

用於對音頻樣本進行編碼和解碼的音頻編碼器和解碼器

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Publication number
HK1223452A1
HK1223452A1 HK16111485.1A HK16111485A HK1223452A1 HK 1223452 A1 HK1223452 A1 HK 1223452A1 HK 16111485 A HK16111485 A HK 16111485A HK 1223452 A1 HK1223452 A1 HK 1223452A1
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HK
Hong Kong
Prior art keywords
decoder
encoding
audio
decoding
samples
Prior art date
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HK16111485.1A
Other languages
English (en)
Inventor
Jrmie Lecomte
Philippe Gournay
Stefan Bayer
Bernhard Grill
Markus Multrus
Bruno Bessette
Original Assignee
Fraunhofer-Gesellschaft Zur Frderung Der Angewandt
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Application filed by Fraunhofer-Gesellschaft Zur Frderung Der Angewandt filed Critical Fraunhofer-Gesellschaft Zur Frderung Der Angewandt
Publication of HK1223452A1 publication Critical patent/HK1223452A1/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
    • 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
    • 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
    • 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
    • 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
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

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)
HK16111485.1A 2008-07-11 2016-09-30 用於對音頻樣本進行編碼和解碼的音頻編碼器和解碼器 HK1223452A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7985608P 2008-07-11 2008-07-11
US10382508P 2008-10-08 2008-10-08

Publications (1)

Publication Number Publication Date
HK1223452A1 true HK1223452A1 (zh) 2017-07-28

Family

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Family Applications (3)

Application Number Title Priority Date Filing Date
HK11109877.6A HK1155552A1 (zh) 2008-07-11 2011-09-20 用於編碼和解碼音頻樣本的音頻編碼器和解碼器
HK16111486.0A HK1223453A1 (zh) 2008-07-11 2016-09-30 用於對音頻樣本進行編碼和解碼的音頻編碼器和解碼器
HK16111485.1A HK1223452A1 (zh) 2008-07-11 2016-09-30 用於對音頻樣本進行編碼和解碼的音頻編碼器和解碼器

Family Applications Before (2)

Application Number Title Priority Date Filing Date
HK11109877.6A HK1155552A1 (zh) 2008-07-11 2011-09-20 用於編碼和解碼音頻樣本的音頻編碼器和解碼器
HK16111486.0A HK1223453A1 (zh) 2008-07-11 2016-09-30 用於對音頻樣本進行編碼和解碼的音頻編碼器和解碼器

Country Status (21)

Country Link
US (1) US8892449B2 (zh)
EP (2) EP3002750B1 (zh)
JP (2) JP5551695B2 (zh)
KR (1) KR101325335B1 (zh)
CN (1) CN102089811B (zh)
AR (1) AR072738A1 (zh)
AU (1) AU2009267466B2 (zh)
BR (1) BRPI0910512B1 (zh)
CA (3) CA2871372C (zh)
CO (1) CO6351837A2 (zh)
EG (1) EG26653A (zh)
ES (2) ES2657393T3 (zh)
HK (3) HK1155552A1 (zh)
MX (1) MX2011000366A (zh)
MY (3) MY181247A (zh)
PL (2) PL3002750T3 (zh)
PT (1) PT3002750T (zh)
RU (1) RU2515704C2 (zh)
TW (1) TWI459379B (zh)
WO (1) WO2010003563A1 (zh)
ZA (1) ZA201100089B (zh)

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RU2515704C2 (ru) 2014-05-20
AU2009267466B2 (en) 2013-05-16
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