ATE459868T1 - Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms - Google Patents

Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms

Info

Publication number
ATE459868T1
ATE459868T1 AT07728245T AT07728245T ATE459868T1 AT E459868 T1 ATE459868 T1 AT E459868T1 AT 07728245 T AT07728245 T AT 07728245T AT 07728245 T AT07728245 T AT 07728245T AT E459868 T1 ATE459868 T1 AT E459868T1
Authority
AT
Austria
Prior art keywords
lossy
data stream
lossless
encoding
decoding
Prior art date
Application number
AT07728245T
Other languages
German (de)
English (en)
Inventor
Johannes Boehm
Peter Jax
Florian Keiler
Oliver Wuebbolt
Sven Kordon
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Application granted granted Critical
Publication of ATE459868T1 publication Critical patent/ATE459868T1/de

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Classifications

    • 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
    • G10L19/04—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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT07728245T 2006-05-05 2007-04-18 Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms ATE459868T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06113576A EP1852848A1 (en) 2006-05-05 2006-05-05 Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream
PCT/EP2007/053783 WO2007128661A1 (en) 2006-05-05 2007-04-18 Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream

Publications (1)

Publication Number Publication Date
ATE459868T1 true ATE459868T1 (de) 2010-03-15

Family

ID=36694486

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07728245T ATE459868T1 (de) 2006-05-05 2007-04-18 Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms

Country Status (9)

Country Link
US (1) US8428941B2 (https=)
EP (2) EP1852848A1 (https=)
JP (1) JP5135330B2 (https=)
KR (1) KR101404335B1 (https=)
CN (1) CN101432610B (https=)
AT (1) ATE459868T1 (https=)
BR (1) BRPI0711190B1 (https=)
DE (1) DE602007005119D1 (https=)
WO (1) WO2007128661A1 (https=)

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EP2676268B1 (en) 2011-02-14 2014-12-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing a decoded audio signal in a spectral domain
WO2012110476A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Linear prediction based coding scheme using spectral domain noise shaping
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GB201210373D0 (en) * 2012-06-12 2012-07-25 Meridian Audio Ltd Doubly compatible lossless audio sandwidth extension
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EP2770642B1 (en) * 2013-02-26 2022-10-05 Tata Consultancy Services Limited Systems and methods for data archival
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US10431242B1 (en) * 2017-11-02 2019-10-01 Gopro, Inc. Systems and methods for identifying speech based on spectral features
CA3083891C (en) * 2017-11-17 2023-05-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for encoding or decoding directional audio coding parameters using different time/frequency resolutions
CN109887515B (zh) * 2019-01-29 2021-07-09 北京市商汤科技开发有限公司 音频处理方法及装置、电子设备和存储介质
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CN118522296A (zh) * 2023-02-17 2024-08-20 华为技术有限公司 有损编解码器和无损编解码器之间的切换方法和装置

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Also Published As

Publication number Publication date
DE602007005119D1 (de) 2010-04-15
KR101404335B1 (ko) 2014-06-09
WO2007128661A1 (en) 2007-11-15
US8428941B2 (en) 2013-04-23
JP5135330B2 (ja) 2013-02-06
EP1852848A1 (en) 2007-11-07
EP2016383A1 (en) 2009-01-21
CN101432610A (zh) 2009-05-13
JP2009536363A (ja) 2009-10-08
KR20090007395A (ko) 2009-01-16
US20090164226A1 (en) 2009-06-25
CN101432610B (zh) 2011-11-23
BRPI0711190A2 (pt) 2011-08-23
BRPI0711190B1 (pt) 2018-01-30
EP2016383B1 (en) 2010-03-03

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