AU7830300A - Lpc-harmonic vocoder with superframe structure - Google Patents

Lpc-harmonic vocoder with superframe structure

Info

Publication number
AU7830300A
AU7830300A AU78303/00A AU7830300A AU7830300A AU 7830300 A AU7830300 A AU 7830300A AU 78303/00 A AU78303/00 A AU 78303/00A AU 7830300 A AU7830300 A AU 7830300A AU 7830300 A AU7830300 A AU 7830300A
Authority
AU
Australia
Prior art keywords
superframe structure
underlying
superframe
frames
lpc
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU78303/00A
Other languages
English (en)
Inventor
Vladimir Cuperman
Allen Gersho
Kazuhito Koishida
Tian Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microsoft Corp
Original Assignee
Microsoft Corp
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 Microsoft Corp filed Critical Microsoft Corp
Publication of AU7830300A publication Critical patent/AU7830300A/en
Abandoned legal-status Critical Current

Links

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
    • G10L19/173—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/087—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using mixed excitation models, e.g. MELP, MBE, split band LPC or HVXC

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Record Information Processing For Printing (AREA)
  • Incineration Of Waste (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Electroluminescent Light Sources (AREA)
AU78303/00A 1999-09-22 2000-09-20 Lpc-harmonic vocoder with superframe structure Abandoned AU7830300A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09401068 1999-09-22
US09/401,068 US7315815B1 (en) 1999-09-22 1999-09-22 LPC-harmonic vocoder with superframe structure
PCT/US2000/025869 WO2001022403A1 (en) 1999-09-22 2000-09-20 Lpc-harmonic vocoder with superframe structure

Publications (1)

Publication Number Publication Date
AU7830300A true AU7830300A (en) 2001-04-24

Family

ID=23586142

Family Applications (1)

Application Number Title Priority Date Filing Date
AU78303/00A Abandoned AU7830300A (en) 1999-09-22 2000-09-20 Lpc-harmonic vocoder with superframe structure

Country Status (9)

Country Link
US (2) US7315815B1 (https=)
EP (1) EP1222659B1 (https=)
JP (2) JP4731775B2 (https=)
AT (1) ATE310304T1 (https=)
AU (1) AU7830300A (https=)
DE (1) DE60024123T2 (https=)
DK (1) DK1222659T3 (https=)
ES (1) ES2250197T3 (https=)
WO (1) WO2001022403A1 (https=)

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Also Published As

Publication number Publication date
DE60024123D1 (de) 2005-12-22
US7286982B2 (en) 2007-10-23
WO2001022403A1 (en) 2001-03-29
US20050075869A1 (en) 2005-04-07
JP5343098B2 (ja) 2013-11-13
EP1222659A1 (en) 2002-07-17
ATE310304T1 (de) 2005-12-15
US7315815B1 (en) 2008-01-01
JP2003510644A (ja) 2003-03-18
DK1222659T3 (da) 2006-03-27
ES2250197T3 (es) 2006-04-16
EP1222659B1 (en) 2005-11-16
JP2011150357A (ja) 2011-08-04
DE60024123T2 (de) 2006-03-30
JP4731775B2 (ja) 2011-07-27

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