ATE393950T1 - Vorrichtung und verfahren zum konstruieren eines mehrkanaligen ausgangssignals oder zum erzeugen eines downmix-signals - Google Patents

Vorrichtung und verfahren zum konstruieren eines mehrkanaligen ausgangssignals oder zum erzeugen eines downmix-signals

Info

Publication number
ATE393950T1
ATE393950T1 AT05700983T AT05700983T ATE393950T1 AT E393950 T1 ATE393950 T1 AT E393950T1 AT 05700983 T AT05700983 T AT 05700983T AT 05700983 T AT05700983 T AT 05700983T AT E393950 T1 ATE393950 T1 AT E393950T1
Authority
AT
Austria
Prior art keywords
channel
channels
signal
input
coherence
Prior art date
Application number
AT05700983T
Other languages
English (en)
Inventor
Juergen Herre
Christof Faller
Original Assignee
Fraunhofer Ges Forschung
Agere Systems Inc
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34750329&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE393950(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Ges Forschung, Agere Systems Inc filed Critical Fraunhofer Ges Forschung
Application granted granted Critical
Publication of ATE393950T1 publication Critical patent/ATE393950T1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • General Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Radio Relay Systems (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Logic Circuits (AREA)
AT05700983T 2004-01-20 2005-01-17 Vorrichtung und verfahren zum konstruieren eines mehrkanaligen ausgangssignals oder zum erzeugen eines downmix-signals ATE393950T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/762,100 US7394903B2 (en) 2004-01-20 2004-01-20 Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal

Publications (1)

Publication Number Publication Date
ATE393950T1 true ATE393950T1 (de) 2008-05-15

Family

ID=34750329

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05700983T ATE393950T1 (de) 2004-01-20 2005-01-17 Vorrichtung und verfahren zum konstruieren eines mehrkanaligen ausgangssignals oder zum erzeugen eines downmix-signals

Country Status (17)

Country Link
US (1) US7394903B2 (de)
EP (1) EP1706865B1 (de)
JP (1) JP4574626B2 (de)
KR (1) KR100803344B1 (de)
CN (1) CN1910655B (de)
AT (1) ATE393950T1 (de)
AU (1) AU2005204715B2 (de)
BR (1) BRPI0506533B1 (de)
CA (1) CA2554002C (de)
DE (1) DE602005006385T2 (de)
ES (1) ES2306076T3 (de)
IL (1) IL176776A (de)
MX (1) MXPA06008030A (de)
NO (1) NO337395B1 (de)
PT (1) PT1706865E (de)
RU (1) RU2329548C2 (de)
WO (1) WO2005069274A1 (de)

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