ATE526659T1 - Verfahren und vorrichtung zum kodieren von einem audiosignal - Google Patents

Verfahren und vorrichtung zum kodieren von einem audiosignal

Info

Publication number
ATE526659T1
ATE526659T1 AT08712512T AT08712512T ATE526659T1 AT E526659 T1 ATE526659 T1 AT E526659T1 AT 08712512 T AT08712512 T AT 08712512T AT 08712512 T AT08712512 T AT 08712512T AT E526659 T1 ATE526659 T1 AT E526659T1
Authority
AT
Austria
Prior art keywords
downmix
information
channel signals
audio
signals
Prior art date
Application number
AT08712512T
Other languages
English (en)
Inventor
Dong Soo Kim
Hee Suk Pang
Jae Hyun Lim
Sung Yong Yoon
Hyun Kook Lee
Original Assignee
Lg Electronics Inc
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 Lg Electronics Inc filed Critical Lg Electronics Inc
Application granted granted Critical
Publication of ATE526659T1 publication Critical patent/ATE526659T1/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
    • G10L19/0018—Speech coding using phonetic or linguistical decoding of the source; Reconstruction using text-to-speech synthesis
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT08712512T 2007-02-14 2008-02-14 Verfahren und vorrichtung zum kodieren von einem audiosignal ATE526659T1 (de)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US90108907P 2007-02-14 2007-02-14
US90164207P 2007-02-16 2007-02-16
US90381807P 2007-02-28 2007-02-28
US90768907P 2007-04-13 2007-04-13
US92402707P 2007-04-27 2007-04-27
US94762007P 2007-07-02 2007-07-02
US94837307P 2007-07-06 2007-07-06
PCT/KR2008/000884 WO2008100099A1 (en) 2007-02-14 2008-02-14 Methods and apparatuses for encoding and decoding object-based audio signals

Publications (1)

Publication Number Publication Date
ATE526659T1 true ATE526659T1 (de) 2011-10-15

Family

ID=39690272

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08712512T ATE526659T1 (de) 2007-02-14 2008-02-14 Verfahren und vorrichtung zum kodieren von einem audiosignal

Country Status (11)

Country Link
US (7) US8756066B2 (de)
EP (3) EP2111617B1 (de)
JP (4) JP2010506232A (de)
KR (3) KR101069268B1 (de)
AT (1) ATE526659T1 (de)
AU (3) AU2008215230B2 (de)
BR (2) BRPI0802614A2 (de)
CA (3) CA2645912C (de)
MX (3) MX2008013073A (de)
TW (3) TWI431610B (de)
WO (3) WO2008100098A1 (de)

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