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HK1172992A1 - Audio signal encoder, audio signal decoder, method for providing an encoded representation of an audio content, method for providing a decoded representation of an audio content and computer program for use in low delay applications - Google Patents

Audio signal encoder, audio signal decoder, method for providing an encoded representation of an audio content, method for providing a decoded representation of an audio content and computer program for use in low delay applications Download PDF

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Publication number
HK1172992A1
HK1172992A1 HK13100001.2A HK13100001A HK1172992A1 HK 1172992 A1 HK1172992 A1 HK 1172992A1 HK 13100001 A HK13100001 A HK 13100001A HK 1172992 A1 HK1172992 A1 HK 1172992A1
Authority
HK
Hong Kong
Prior art keywords
domain
audio content
encoded
mode
audio
Prior art date
Application number
HK13100001.2A
Other languages
German (de)
English (en)
French (fr)
Chinese (zh)
Other versions
HK1172992B (en
Inventor
Ralf Geiger
Markus Schnell
Jeremie Lecomte
Konstantin Schmidt
Guillaume Fuchs
Nikolaus Rettelbach
Original Assignee
Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V.
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-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. filed Critical Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V.
Publication of HK1172992A1 publication Critical patent/HK1172992A1/en
Publication of HK1172992B publication Critical patent/HK1172992B/en

Links

Classifications

    • 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
    • G10L19/02—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
    • G10L19/0212—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 using orthogonal transformation
    • 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
    • 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)
HK13100001.2A 2009-10-20 2010-10-19 Audio signal encoder, audio signal decoder, method for providing an encoded representation of an audio content, method for providing a decoded representation of an audio content and computer program for use in low delay applications HK1172992B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US25345009P 2009-10-20 2009-10-20
US61/253,450 2009-10-20
PCT/EP2010/065753 WO2011048118A1 (en) 2009-10-20 2010-10-19 Audio signal encoder, audio signal decoder, method for providing an encoded representation of an audio content, method for providing a decoded representation of an audio content and computer program for use in low delay applications

Publications (2)

Publication Number Publication Date
HK1172992A1 true HK1172992A1 (en) 2013-05-03
HK1172992B HK1172992B (en) 2015-07-17

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Also Published As

Publication number Publication date
MX2012004518A (es) 2012-05-29
JP5243661B2 (ja) 2013-07-24
BR122020024236B1 (pt) 2021-09-14
CA2778373C (en) 2015-12-01
CA2778373A1 (en) 2011-04-28
EP2473995B9 (en) 2016-12-21
PL2473995T3 (pl) 2015-06-30
TW201137861A (en) 2011-11-01
RU2012118782A (ru) 2013-11-10
EP2473995B1 (en) 2014-12-17
MY162251A (en) 2017-05-31
BR112012009032B1 (pt) 2021-09-21
KR101414305B1 (ko) 2014-07-02
CN102859588A (zh) 2013-01-02
AR078702A1 (es) 2011-11-30
US20120265541A1 (en) 2012-10-18
TWI435317B (zh) 2014-04-21
ES2533098T3 (es) 2015-04-07
US8630862B2 (en) 2014-01-14
EP2473995A1 (en) 2012-07-11
JP2013508766A (ja) 2013-03-07
BR122020024243B1 (pt) 2022-02-01
RU2596594C2 (ru) 2016-09-10
KR20120063527A (ko) 2012-06-15
AU2010309839A1 (en) 2012-05-17
ZA201203611B (en) 2013-02-27
CN102859588B (zh) 2014-09-10
BR112012009032A2 (pt) 2020-08-18
WO2011048118A1 (en) 2011-04-28

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