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

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
    • G10L19/008—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 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
    • G10L19/03—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 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Burglar Alarm Systems (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Transducers For Ultrasonic Waves (AREA)
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

ID=38984075

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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WO2011086067A1 (en) 2010-01-12 2011-07-21 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, method for encoding and decoding an audio information, and computer program obtaining a context sub-region value on the basis of a norm of previously decoded spectral values
EP2705516B1 (de) 2011-05-04 2016-07-06 Nokia Technologies Oy Kodierung von stereophonen signalen
EP2707873B1 (de) * 2011-05-09 2015-04-08 Dolby International AB Verfahren und codierer zur verarbeitung eines digitalen stereotonsignals
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EP2981956B1 (de) * 2013-04-05 2022-11-30 Dolby International AB Audioverarbeitungssystem
EP2830058A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Frequenzbereichsaudiocodierung mit Unterstützung von Transformationslängenschaltung
EP2887350B1 (de) 2013-12-19 2016-10-05 Dolby Laboratories Licensing Corporation Adaptive Quantisierungsrauschen-Filterung von decodierten Audiodaten
CN111105807B (zh) * 2014-01-15 2023-09-15 三星电子株式会社 对线性预测编码系数进行量化的加权函数确定装置和方法
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US9576589B2 (en) * 2015-02-06 2017-02-21 Knuedge, Inc. Harmonic feature processing for reducing noise
US11232804B2 (en) * 2017-07-03 2022-01-25 Dolby International Ab Low complexity dense transient events detection and coding
US10044367B1 (en) * 2017-08-08 2018-08-07 Intel Corporation Arbitrary noise shaping transmitter with receive band notches
EP3483878A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecoder mit auswahlfunktion für unterschiedliche verlustmaskierungswerkzeuge
EP3483879A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analyse-/synthese-fensterfunktion für modulierte geläppte transformation
EP3483882A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Steuerung der bandbreite in codierern und/oder decodierern
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
EP3483880A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Zeitliche rauschformung
EP3483884A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signalfiltrierung
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EP3483886A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auswahl einer grundfrequenz
US11295750B2 (en) * 2018-09-27 2022-04-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for noise shaping using subspace projections for low-rate coding of speech and audio

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Also Published As

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

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