ATE496365T1 - Arbiträre formung einer temporären rauschhüllkurve ohne nebeninformation - Google Patents

Arbiträre formung einer temporären rauschhüllkurve ohne nebeninformation

Info

Publication number
ATE496365T1
ATE496365T1 AT07836718T AT07836718T ATE496365T1 AT E496365 T1 ATE496365 T1 AT E496365T1 AT 07836718 T AT07836718 T AT 07836718T AT 07836718 T AT07836718 T AT 07836718T AT E496365 T1 ATE496365 T1 AT E496365T1
Authority
AT
Austria
Prior art keywords
domain
frequency
quantization
noise
additional information
Prior art date
Application number
AT07836718T
Other languages
English (en)
Inventor
Mark Stuart Vinton
Original Assignee
Dolby Lab Licensing Corp
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 Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of ATE496365T1 publication Critical patent/ATE496365T1/de

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect
AT07836718T 2006-08-15 2007-08-10 Arbiträre formung einer temporären rauschhüllkurve ohne nebeninformation ATE496365T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83809406P 2006-08-15 2006-08-15
PCT/US2007/017811 WO2008021247A2 (en) 2006-08-15 2007-08-10 Arbitrary shaping of temporal noise envelope without side-information

Publications (1)

Publication Number Publication Date
ATE496365T1 true ATE496365T1 (de) 2011-02-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
AT07836718T ATE496365T1 (de) 2006-08-15 2007-08-10 Arbiträre formung einer temporären rauschhüllkurve ohne nebeninformation

Country Status (8)

Country Link
US (1) US8706507B2 (de)
EP (1) EP2054882B1 (de)
JP (1) JP5096468B2 (de)
CN (1) CN101501761B (de)
AT (1) ATE496365T1 (de)
DE (1) DE602007012116D1 (de)
TW (1) TWI456567B (de)
WO (1) WO2008021247A2 (de)

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EP3483879A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analyse-/synthese-fensterfunktion für modulierte geläppte transformation
EP3483884A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signalfiltrierung
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
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Also Published As

Publication number Publication date
WO2008021247A2 (en) 2008-02-21
JP5096468B2 (ja) 2012-12-12
EP2054882A2 (de) 2009-05-06
JP2010500631A (ja) 2010-01-07
CN101501761B (zh) 2012-02-08
EP2054882B1 (de) 2011-01-19
DE602007012116D1 (de) 2011-03-03
WO2008021247A9 (en) 2008-07-10
US8706507B2 (en) 2014-04-22
CN101501761A (zh) 2009-08-05
WO2008021247A3 (en) 2008-04-17
TW200818123A (en) 2008-04-16
US20100094637A1 (en) 2010-04-15
TWI456567B (zh) 2014-10-11

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