HK1143237A1 - Improved transform coding of speech and audio signals - Google Patents

Improved transform coding of speech and audio signals

Info

Publication number
HK1143237A1
HK1143237A1 HK10109570.7A HK10109570A HK1143237A1 HK 1143237 A1 HK1143237 A1 HK 1143237A1 HK 10109570 A HK10109570 A HK 10109570A HK 1143237 A1 HK1143237 A1 HK 1143237A1
Authority
HK
Hong Kong
Prior art keywords
sub
determining
determined
audio signals
transform coding
Prior art date
Application number
HK10109570.7A
Other languages
English (en)
Inventor
Manuel Briand
Anisse Taleb
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of HK1143237A1 publication Critical patent/HK1143237A1/xx

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
    • G10L19/02—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
    • G10L19/0204—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 subband decomposition
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
HK10109570.7A 2007-08-27 2010-10-07 Improved transform coding of speech and audio signals HK1143237A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US96815907P 2007-08-27 2007-08-27
US4424808P 2008-04-11 2008-04-11
PCT/SE2008/050967 WO2009029035A1 (en) 2007-08-27 2008-08-26 Improved transform coding of speech and audio signals

Publications (1)

Publication Number Publication Date
HK1143237A1 true HK1143237A1 (en) 2010-12-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
HK10109570.7A HK1143237A1 (en) 2007-08-27 2010-10-07 Improved transform coding of speech and audio signals

Country Status (8)

Country Link
US (2) US20110035212A1 (xx)
EP (1) EP2186087B1 (xx)
JP (1) JP5539203B2 (xx)
CN (1) CN101790757B (xx)
AT (1) ATE535904T1 (xx)
ES (1) ES2375192T3 (xx)
HK (1) HK1143237A1 (xx)
WO (1) WO2009029035A1 (xx)

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Also Published As

Publication number Publication date
ES2375192T3 (es) 2012-02-27
ATE535904T1 (de) 2011-12-15
US9153240B2 (en) 2015-10-06
JP2010538316A (ja) 2010-12-09
WO2009029035A1 (en) 2009-03-05
US20140142956A1 (en) 2014-05-22
US20110035212A1 (en) 2011-02-10
EP2186087B1 (en) 2011-11-30
CN101790757A (zh) 2010-07-28
CN101790757B (zh) 2012-05-30
EP2186087A1 (en) 2010-05-19
EP2186087A4 (en) 2010-11-24
JP5539203B2 (ja) 2014-07-02

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