ATE394901T1 - Mehrkanal-synthesizer und verfahren zum erzeugen eines mehrkanal-ausgangssignals - Google Patents

Mehrkanal-synthesizer und verfahren zum erzeugen eines mehrkanal-ausgangssignals

Info

Publication number
ATE394901T1
ATE394901T1 AT05757240T AT05757240T ATE394901T1 AT E394901 T1 ATE394901 T1 AT E394901T1 AT 05757240 T AT05757240 T AT 05757240T AT 05757240 T AT05757240 T AT 05757240T AT E394901 T1 ATE394901 T1 AT E394901T1
Authority
AT
Austria
Prior art keywords
channel
post
reconstruction parameter
output signal
reconstruction
Prior art date
Application number
AT05757240T
Other languages
English (en)
Inventor
Juergen Herre
Sascha Disch
Johannes Hilpert
Christian Ertel
Andreas Hoelzer
Claus-Christian Spenger
Original Assignee
Fraunhofer Ges Forschung
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 filed Critical Fraunhofer Ges Forschung
Application granted granted Critical
Publication of ATE394901T1 publication Critical patent/ATE394901T1/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
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Radio Relay Systems (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stereophonic System (AREA)
AT05757240T 2004-06-30 2005-06-13 Mehrkanal-synthesizer und verfahren zum erzeugen eines mehrkanal-ausgangssignals ATE394901T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/883,538 US8843378B2 (en) 2004-06-30 2004-06-30 Multi-channel synthesizer and method for generating a multi-channel output signal

Publications (1)

Publication Number Publication Date
ATE394901T1 true ATE394901T1 (de) 2008-05-15

Family

ID=34971777

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05757240T ATE394901T1 (de) 2004-06-30 2005-06-13 Mehrkanal-synthesizer und verfahren zum erzeugen eines mehrkanal-ausgangssignals

Country Status (17)

Country Link
US (1) US8843378B2 (de)
EP (1) EP1649723B1 (de)
JP (1) JP4712799B2 (de)
KR (1) KR100913987B1 (de)
CN (1) CN1954642B (de)
AT (1) ATE394901T1 (de)
AU (1) AU2005259618B2 (de)
BR (1) BRPI0511362B1 (de)
CA (1) CA2569666C (de)
DE (1) DE602005006495D1 (de)
ES (1) ES2307188T3 (de)
IL (1) IL178670A (de)
MX (1) MXPA06014968A (de)
NO (1) NO338980B1 (de)
PT (1) PT1649723E (de)
RU (1) RU2345506C2 (de)
WO (1) WO2006002748A1 (de)

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Also Published As

Publication number Publication date
CN1954642B (zh) 2010-05-12
KR100913987B1 (ko) 2009-08-25
US20060004583A1 (en) 2006-01-05
DE602005006495D1 (de) 2008-06-19
BRPI0511362A (pt) 2007-12-04
IL178670A0 (en) 2007-02-11
ES2307188T3 (es) 2008-11-16
WO2006002748A1 (en) 2006-01-12
EP1649723B1 (de) 2008-05-07
CA2569666C (en) 2013-07-16
BRPI0511362B1 (pt) 2018-12-26
NO338980B1 (no) 2016-11-07
HK1090504A1 (en) 2006-12-22
RU2007103341A (ru) 2008-08-10
US8843378B2 (en) 2014-09-23
KR20070028481A (ko) 2007-03-12
JP2008504578A (ja) 2008-02-14
IL178670A (en) 2011-10-31
CA2569666A1 (en) 2006-01-12
AU2005259618A1 (en) 2006-01-12
JP4712799B2 (ja) 2011-06-29
RU2345506C2 (ru) 2009-01-27
NO20070560L (no) 2007-03-30
EP1649723A1 (de) 2006-04-26
CN1954642A (zh) 2007-04-25
AU2005259618B2 (en) 2008-05-22
PT1649723E (pt) 2008-07-28
MXPA06014968A (es) 2007-02-08

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