DE69931641D1 - Verfahren zur kodierung von informationsignalen - Google Patents

Verfahren zur kodierung von informationsignalen

Info

Publication number
DE69931641D1
DE69931641D1 DE69931641T DE69931641T DE69931641D1 DE 69931641 D1 DE69931641 D1 DE 69931641D1 DE 69931641 T DE69931641 T DE 69931641T DE 69931641 T DE69931641 T DE 69931641T DE 69931641 D1 DE69931641 D1 DE 69931641D1
Authority
DE
Germany
Prior art keywords
pulses
combinations
constraints
information signals
coding information
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
DE69931641T
Other languages
English (en)
Other versions
DE69931641T2 (de
Inventor
P Ashley
Weimin Peng
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.)
Motorola Mobility LLC
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE69931641D1 publication Critical patent/DE69931641D1/de
Publication of DE69931641T2 publication Critical patent/DE69931641T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G10L19/08—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
    • 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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • 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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • G10L19/107—Sparse pulse excitation, e.g. by using algebraic codebook

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)
  • Paper (AREA)
  • Control Of El Displays (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE69931641T 1998-09-11 1999-08-24 Verfahren zur Kodierung von Informationssignalen Expired - Lifetime DE69931641T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15143098A 1998-09-11 1998-09-11
US151430 1998-09-11
PCT/US1999/019217 WO2000016501A1 (en) 1998-09-11 1999-08-24 Method and apparatus for coding an information signal

Publications (2)

Publication Number Publication Date
DE69931641D1 true DE69931641D1 (de) 2006-07-06
DE69931641T2 DE69931641T2 (de) 2006-10-05

Family

ID=22538745

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69931641T Expired - Lifetime DE69931641T2 (de) 1998-09-11 1999-08-24 Verfahren zur Kodierung von Informationssignalen

Country Status (6)

Country Link
EP (1) EP1112625B1 (de)
JP (1) JP4460165B2 (de)
KR (1) KR100409167B1 (de)
AT (1) ATE328407T1 (de)
DE (1) DE69931641T2 (de)
WO (1) WO2000016501A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6539349B1 (en) 2000-02-15 2003-03-25 Lucent Technologies Inc. Constraining pulse positions in CELP vocoding
US7889103B2 (en) * 2008-03-13 2011-02-15 Motorola Mobility, Inc. Method and apparatus for low complexity combinatorial coding of signals

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2579356B1 (fr) * 1985-03-22 1987-05-07 Cit Alcatel Procede de codage a faible debit de la parole a signal multi-impulsionnel d'excitation
SE463691B (sv) * 1989-05-11 1991-01-07 Ericsson Telefon Ab L M Foerfarande att utplacera excitationspulser foer en lineaerprediktiv kodare (lpc) som arbetar enligt multipulsprincipen
US5754976A (en) * 1990-02-23 1998-05-19 Universite De Sherbrooke Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech
JP3057907B2 (ja) * 1992-06-16 2000-07-04 松下電器産業株式会社 音声符号化装置
KR950011967B1 (ko) * 1992-07-31 1995-10-12 임홍식 반도체 녹음기용 메모리 정리 장치
JP3196595B2 (ja) * 1995-09-27 2001-08-06 日本電気株式会社 音声符号化装置
JP4063911B2 (ja) * 1996-02-21 2008-03-19 松下電器産業株式会社 音声符号化装置
US5970444A (en) * 1997-03-13 1999-10-19 Nippon Telegraph And Telephone Corporation Speech coding method
US5963897A (en) * 1998-02-27 1999-10-05 Lernout & Hauspie Speech Products N.V. Apparatus and method for hybrid excited linear prediction speech encoding
JP3180762B2 (ja) * 1998-05-11 2001-06-25 日本電気株式会社 音声符号化装置及び音声復号化装置
JP3824810B2 (ja) * 1998-09-01 2006-09-20 富士通株式会社 音声符号化方法、音声符号化装置、及び音声復号装置

Also Published As

Publication number Publication date
JP4460165B2 (ja) 2010-05-12
KR20010073146A (ko) 2001-07-31
DE69931641T2 (de) 2006-10-05
WO2000016501A1 (en) 2000-03-23
JP2002525667A (ja) 2002-08-13
ATE328407T1 (de) 2006-06-15
EP1112625A1 (de) 2001-07-04
EP1112625A4 (de) 2004-06-16
EP1112625B1 (de) 2006-05-31
KR100409167B1 (ko) 2003-12-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MOTOROLA MOBILITY, INC. ( N.D. GES. D. STAATES, US