Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04S—STEREOPHONIC SYSTEMS 
  • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
  • H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
• • 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

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Signal Processing (AREA)
• Acoustics & Sound (AREA)
• Mathematical Physics (AREA)
• Computational Linguistics (AREA)
• Health & Medical Sciences (AREA)
• Audiology, Speech & Language Pathology (AREA)
• Human Computer Interaction (AREA)
• Multimedia (AREA)
• Compression, Expansion, Code Conversion, And Decoders (AREA)
• Filters That Use Time-Delay Elements (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=31996352

Family Applications (1)

Country Status (8)

Families Citing this family (2)

Family Cites Families (7)

• 2004
  • 2004-02-20 SE SE0400415A patent/SE527713C2/en unknown
  • 2004-12-15 ES ES04809080.7T patent/ES2439693T3/en active Active
  • 2004-12-15 WO PCT/SE2004/001907 patent/WO2005059901A1/en not_active Application Discontinuation
  • 2004-12-15 PT PT48090807T patent/PT1639580E/en unknown
  • 2004-12-15 JP JP2006518597A patent/JP4323520B2/en not_active Expired - Fee Related
  • 2004-12-15 EP EP04809080.7A patent/EP1639580B1/en active Active
  • 2004-12-15 DK DK04809080.7T patent/DK1639580T3/en active
  • 2004-12-15 PL PL04809080T patent/PL1639580T3/en unknown
  • 2004-12-15 EP EP12154099A patent/EP2456236A1/en not_active Ceased

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