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
  • G10L19/04—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
  • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
• • 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
  • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
  • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

Landscapes

• Engineering & Computer Science (AREA)
• Human Computer Interaction (AREA)
• Computational Linguistics (AREA)
• Signal Processing (AREA)
• Health & Medical Sciences (AREA)
• Audiology, Speech & Language Pathology (AREA)
• Physics & Mathematics (AREA)
• Acoustics & Sound (AREA)
• Multimedia (AREA)
• Quality & Reliability (AREA)
• Compression, Expansion, Code Conversion, And Decoders (AREA)
• Compression Or Coding Systems Of Tv Signals (AREA)
• Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Applications Claiming Priority (2)

Publications (1)

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Family Applications (1)

Country Status (9)

Families Citing this family (4)

Family Cites Families (15)

• 2001
  • 2001-01-18 DE DE10102154A patent/DE10102154C2/de not_active Expired - Lifetime
• 2002
  • 2002-01-14 CA CA002434783A patent/CA2434783C/en not_active Expired - Lifetime
  • 2002-01-14 JP JP2002558258A patent/JP3890298B2/ja not_active Expired - Lifetime
  • 2002-01-14 EP EP02708282A patent/EP1354314B1/de not_active Expired - Lifetime
  • 2002-01-14 WO PCT/EP2002/000295 patent/WO2002058051A2/de not_active Ceased
  • 2002-01-14 AT AT02708282T patent/ATE272884T1/de active
  • 2002-01-14 KR KR10-2003-7009508A patent/KR100516985B1/ko not_active Expired - Lifetime
  • 2002-01-14 DE DE50200750T patent/DE50200750D1/de not_active Expired - Lifetime
  • 2002-01-14 US US10/466,866 patent/US7496517B2/en not_active Expired - Lifetime
  • 2002-01-14 AU AU2002242667A patent/AU2002242667B2/en not_active Expired

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