EP1112625A4 - Verfahren und gerät zur kodierung von informationsignalen - Google Patents

Verfahren und gerät zur kodierung von informationsignalen

Info

Publication number
EP1112625A4
EP1112625A4 EP99943854A EP99943854A EP1112625A4 EP 1112625 A4 EP1112625 A4 EP 1112625A4 EP 99943854 A EP99943854 A EP 99943854A EP 99943854 A EP99943854 A EP 99943854A EP 1112625 A4 EP1112625 A4 EP 1112625A4
Authority
EP
European Patent Office
Prior art keywords
pulses
combinations
information signal
constraints
coding
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.)
Granted
Application number
EP99943854A
Other languages
English (en)
French (fr)
Other versions
EP1112625A1 (de
EP1112625B1 (de
Inventor
James 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 Solutions Inc
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
Publication of EP1112625A1 publication Critical patent/EP1112625A1/de
Publication of EP1112625A4 publication Critical patent/EP1112625A4/de
Application granted granted Critical
Publication of EP1112625B1 publication Critical patent/EP1112625B1/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)
EP99943854A 1998-09-11 1999-08-24 Verfahren zur kodierung von informationsignalen Expired - Lifetime EP1112625B1 (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 (3)

Publication Number Publication Date
EP1112625A1 EP1112625A1 (de) 2001-07-04
EP1112625A4 true EP1112625A4 (de) 2004-06-16
EP1112625B1 EP1112625B1 (de) 2006-05-31

Family

ID=22538745

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99943854A Expired - Lifetime EP1112625B1 (de) 1998-09-11 1999-08-24 Verfahren zur kodierung von informationsignalen

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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0397628A1 (de) * 1989-05-11 1990-11-14 Telefonaktiebolaget L M Ericsson Verfahren zum Einrichten von Anregungsimpulsen in einem linearen Pradiktionssprachcodierer

Family Cites Families (10)

* 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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0397628A1 (de) * 1989-05-11 1990-11-14 Telefonaktiebolaget L M Ericsson Verfahren zum Einrichten von Anregungsimpulsen in einem linearen Pradiktionssprachcodierer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHENG DEYUAN ED - YUAN B ET AL: "An 8 kb/s low complexity ACELP speech codec", SIGNAL PROCESSING, 1996., 3RD INTERNATIONAL CONFERENCE ON BEIJING, CHINA 14-18 OCT. 1996, NEW YORK, NY, USA,IEEE, US, 14 October 1996 (1996-10-14), pages 671 - 674, XP010209596, ISBN: 0-7803-2912-0 *

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
DE69931641D1 (de) 2006-07-06
EP1112625A1 (de) 2001-07-04
EP1112625B1 (de) 2006-05-31
KR100409167B1 (ko) 2003-12-12

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