TWI426503B - 用以使用頻疊切換方案將音訊信號編碼／解碼的裝置與方法 - Google Patents

用以使用頻疊切換方案將音訊信號編碼／解碼的裝置與方法 Download PDF

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TWI426503B
TWI426503B TW098121856A TW98121856A TWI426503B TW I426503 B TWI426503 B TW I426503B TW 098121856 A TW098121856 A TW 098121856A TW 98121856 A TW98121856 A TW 98121856A TW I426503 B TWI426503 B TW I426503B
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Taiwan
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block
domain
frequency
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signal
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TW098121856A
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TW201011737A (en
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Guillaume Fuchs
Jeremie Lecomte
Stefan Bayer
Ralf Geiger
Markus Multrus
Gerald Schuller
Jens Hirschfeld
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Fraunhofer Ges Forschung
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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
    • G10L19/04—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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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
    • G10L19/04—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

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  • 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)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
TW098121856A 2008-07-11 2009-06-29 用以使用頻疊切換方案將音訊信號編碼／解碼的裝置與方法 TWI426503B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7985208P 2008-07-11 2008-07-11
PCT/EP2009/004374 WO2010003532A1 (en) 2008-07-11 2009-06-17 Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme

Publications (2)

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TW201011737A TW201011737A (en) 2010-03-16
TWI426503B true TWI426503B (zh) 2014-02-11

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US (1) US8862480B2 (https=)
EP (1) EP2301020B1 (https=)
JP (1) JP5551693B2 (https=)
KR (1) KR101250309B1 (https=)
CN (1) CN102089812B (https=)
AR (1) AR072479A1 (https=)
AU (1) AU2009267518B2 (https=)
BR (1) BRPI0910783B1 (https=)
CA (1) CA2730355C (https=)
CO (1) CO6341672A2 (https=)
ES (1) ES2401487T3 (https=)
MX (1) MX2011000373A (https=)
MY (1) MY152252A (https=)
PL (1) PL2301020T3 (https=)
RU (1) RU2492530C2 (https=)
TW (1) TWI426503B (https=)
WO (1) WO2010003532A1 (https=)
ZA (1) ZA201009259B (https=)

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BRPI0910783B1 (pt) 2024-02-27
JP2011527446A (ja) 2011-10-27
AU2009267518B2 (en) 2012-08-16
CA2730355C (en) 2016-03-22
EP2301020B1 (en) 2013-01-02
KR101250309B1 (ko) 2013-04-04
AR072479A1 (es) 2010-09-01
CA2730355A1 (en) 2010-01-14
EP2301020A1 (en) 2011-03-30
CN102089812A (zh) 2011-06-08
RU2492530C2 (ru) 2013-09-10
HK1155842A1 (en) 2012-05-25
MY152252A (en) 2014-09-15
ES2401487T3 (es) 2013-04-22
CN102089812B (zh) 2013-03-20
US20110173009A1 (en) 2011-07-14
WO2010003532A1 (en) 2010-01-14
BRPI0910783A2 (pt) 2020-11-03
TW201011737A (en) 2010-03-16
AU2009267518A1 (en) 2010-01-14
CO6341672A2 (es) 2011-11-21
PL2301020T3 (pl) 2013-06-28
MX2011000373A (es) 2011-03-15
ZA201009259B (en) 2011-09-28
US8862480B2 (en) 2014-10-14
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JP5551693B2 (ja) 2014-07-16
KR20110040823A (ko) 2011-04-20

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