DE60024123D1 - Lpc-harmonischer sprachkodierer mit überrahmenformat - Google Patents

Lpc-harmonischer sprachkodierer mit überrahmenformat

Info

Publication number
DE60024123D1
DE60024123D1 DE60024123T DE60024123T DE60024123D1 DE 60024123 D1 DE60024123 D1 DE 60024123D1 DE 60024123 T DE60024123 T DE 60024123T DE 60024123 T DE60024123 T DE 60024123T DE 60024123 D1 DE60024123 D1 DE 60024123D1
Authority
DE
Germany
Prior art keywords
underlying
codier
lpc
harmonious
language
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.)
Expired - Lifetime
Application number
DE60024123T
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English (en)
Other versions
DE60024123T2 (de
Inventor
Allen Gersho
Vladimir Cuperman
Tian Wang
Kazuhito Koishida
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Microsoft Corp
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Microsoft Corp
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Publication date
Application filed by Microsoft Corp filed Critical Microsoft Corp
Publication of DE60024123D1 publication Critical patent/DE60024123D1/de
Application granted granted Critical
Publication of DE60024123T2 publication Critical patent/DE60024123T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/173Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/087Determination 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
DE60024123T 1999-09-22 2000-09-20 Lpc-harmonischer sprachkodierer mit überrahmenformat Expired - Lifetime DE60024123T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US401068 1989-08-31
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 (2)

Publication Number Publication Date
DE60024123D1 true DE60024123D1 (de) 2005-12-22
DE60024123T2 DE60024123T2 (de) 2006-03-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE60024123T Expired - Lifetime DE60024123T2 (de) 1999-09-22 2000-09-20 Lpc-harmonischer sprachkodierer mit überrahmenformat

Country Status (9)

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

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Also Published As

Publication number Publication date
DK1222659T3 (da) 2006-03-27
ES2250197T3 (es) 2006-04-16
EP1222659B1 (de) 2005-11-16
JP4731775B2 (ja) 2011-07-27
EP1222659A1 (de) 2002-07-17
DE60024123T2 (de) 2006-03-30
ATE310304T1 (de) 2005-12-15
JP2011150357A (ja) 2011-08-04
US20050075869A1 (en) 2005-04-07
JP2003510644A (ja) 2003-03-18
US7315815B1 (en) 2008-01-01
US7286982B2 (en) 2007-10-23
WO2001022403A1 (en) 2001-03-29
JP5343098B2 (ja) 2013-11-13
AU7830300A (en) 2001-04-24

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