ATE539434T1 - Vorrichtung und verfahren für mehrkanalparameterumwandlung - Google Patents

Vorrichtung und verfahren für mehrkanalparameterumwandlung

Info

Publication number
ATE539434T1
ATE539434T1 AT07818758T AT07818758T ATE539434T1 AT E539434 T1 ATE539434 T1 AT E539434T1 AT 07818758 T AT07818758 T AT 07818758T AT 07818758 T AT07818758 T AT 07818758T AT E539434 T1 ATE539434 T1 AT E539434T1
Authority
AT
Austria
Prior art keywords
parameter
parameters
channel
energy
audio
Prior art date
Application number
AT07818758T
Other languages
English (en)
Inventor
Johannes Hilpert
Karsten Linzmeier
Juergen Herre
Ralph Sperschneider
Andreas Hoelzer
Lars Villemoes
Jonas Engdegard
Heiko Purnhagen
Kristofer Kjoerling
Jeroen Breebaart
Werner Oomen
Original Assignee
Fraunhofer Ges Forschung
Dolby Int Ab
Koninkl Philips Electronics Nv
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 Fraunhofer Ges Forschung, Dolby Int Ab, Koninkl Philips Electronics Nv filed Critical Fraunhofer Ges Forschung
Application granted granted Critical
Publication of ATE539434T1 publication Critical patent/ATE539434T1/de

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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
    • G10L19/04—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
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
AT07818758T 2006-10-16 2007-10-05 Vorrichtung und verfahren für mehrkanalparameterumwandlung ATE539434T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82965306P 2006-10-16 2006-10-16
PCT/EP2007/008682 WO2008046530A2 (en) 2006-10-16 2007-10-05 Apparatus and method for multi -channel parameter transformation

Publications (1)

Publication Number Publication Date
ATE539434T1 true ATE539434T1 (de) 2012-01-15

Family

ID=39304842

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07818758T ATE539434T1 (de) 2006-10-16 2007-10-05 Vorrichtung und verfahren für mehrkanalparameterumwandlung

Country Status (14)

Country Link
US (1) US8687829B2 (de)
EP (2) EP2437257B1 (de)
JP (2) JP5337941B2 (de)
KR (1) KR101120909B1 (de)
CN (1) CN101529504B (de)
AT (1) ATE539434T1 (de)
AU (1) AU2007312597B2 (de)
BR (1) BRPI0715312B1 (de)
CA (1) CA2673624C (de)
MX (1) MX2009003564A (de)
MY (1) MY144273A (de)
RU (1) RU2431940C2 (de)
TW (1) TWI359620B (de)
WO (1) WO2008046530A2 (de)

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