CA1213059A - Multi-pulse excited linear predictive speech coder - Google Patents

Multi-pulse excited linear predictive speech coder

Info

Publication number
CA1213059A
CA1213059A CA000461694A CA461694A CA1213059A CA 1213059 A CA1213059 A CA 1213059A CA 000461694 A CA000461694 A CA 000461694A CA 461694 A CA461694 A CA 461694A CA 1213059 A CA1213059 A CA 1213059A
Authority
CA
Canada
Prior art keywords
signal
pulse
pulse excitation
excitation signal
interval
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
Application number
CA000461694A
Other languages
English (en)
French (fr)
Inventor
Edmond F.A. Deprettere
Peter Kroon
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.)
Koninklijke Philips NV
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1213059A publication Critical patent/CA1213059A/en
Expired 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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation

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)
CA000461694A 1983-08-26 1984-08-23 Multi-pulse excited linear predictive speech coder Expired CA1213059A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8302985 1983-08-26
NL8302985A NL8302985A (nl) 1983-08-26 1983-08-26 Multipulse excitatie lineair predictieve spraakcodeerder.

Publications (1)

Publication Number Publication Date
CA1213059A true CA1213059A (en) 1986-10-21

Family

ID=19842312

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000461694A Expired CA1213059A (en) 1983-08-26 1984-08-23 Multi-pulse excited linear predictive speech coder

Country Status (7)

Country Link
US (1) US4736428A (OSRAM)
EP (1) EP0137532B1 (OSRAM)
JP (1) JPS6070500A (OSRAM)
AU (1) AU574708B2 (OSRAM)
CA (1) CA1213059A (OSRAM)
DE (1) DE3475664D1 (OSRAM)
NL (1) NL8302985A (OSRAM)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4944013A (en) * 1985-04-03 1990-07-24 British Telecommunications Public Limited Company Multi-pulse speech coder
US4941178A (en) * 1986-04-01 1990-07-10 Gte Laboratories Incorporated Speech recognition using preclassification and spectral normalization
CA1323934C (en) * 1986-04-15 1993-11-02 Tetsu Taguchi Speech processing apparatus
GB8621932D0 (en) * 1986-09-11 1986-10-15 British Telecomm Speech coding
CA1336841C (en) * 1987-04-08 1995-08-29 Tetsu Taguchi Multi-pulse type coding system
EP0422232B1 (en) * 1989-04-25 1996-11-13 Kabushiki Kaisha Toshiba Voice encoder
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
FR2668288B1 (fr) * 1990-10-19 1993-01-15 Di Francesco Renaud Procede de transmission, a bas debit, par codage celp d'un signal de parole et systeme correspondant.
JP3254687B2 (ja) * 1991-02-26 2002-02-12 日本電気株式会社 音声符号化方式
WO1993006590A1 (en) * 1991-09-20 1993-04-01 Lernout & Hauspie Speechproducts A speech coding device
US5659659A (en) * 1993-07-26 1997-08-19 Alaris, Inc. Speech compressor using trellis encoding and linear prediction
US5615298A (en) * 1994-03-14 1997-03-25 Lucent Technologies Inc. Excitation signal synthesis during frame erasure or packet loss
US5574825A (en) * 1994-03-14 1996-11-12 Lucent Technologies Inc. Linear prediction coefficient generation during frame erasure or packet loss
US5602961A (en) * 1994-05-31 1997-02-11 Alaris, Inc. Method and apparatus for speech compression using multi-mode code excited linear predictive coding
FR2729247A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
FR2729244B1 (fr) * 1995-01-06 1997-03-28 Matra Communication Procede de codage de parole a analyse par synthese
FR2729246A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
SE508788C2 (sv) * 1995-04-12 1998-11-02 Ericsson Telefon Ab L M Förfarande att bestämma positionerna inom en talram för excitationspulser
DE19612393A1 (de) * 1996-03-28 1997-10-02 Pelikan Produktions Ag Thermotransferband
US5832443A (en) * 1997-02-25 1998-11-03 Alaris, Inc. Method and apparatus for adaptive audio compression and decompression
JP3199020B2 (ja) 1998-02-27 2001-08-13 日本電気株式会社 音声音楽信号の符号化装置および復号装置
DE19920501A1 (de) * 1999-05-05 2000-11-09 Nokia Mobile Phones Ltd Wiedergabeverfahren für sprachgesteuerte Systeme mit textbasierter Sprachsynthese
US7233896B2 (en) * 2002-07-30 2007-06-19 Motorola Inc. Regular-pulse excitation speech coder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750024A (en) * 1971-06-16 1973-07-31 Itt Corp Nutley Narrow band digital speech communication system
US4133976A (en) * 1978-04-07 1979-01-09 Bell Telephone Laboratories, Incorporated Predictive speech signal coding with reduced noise effects
GB2102254B (en) * 1981-05-11 1985-08-07 Kokusai Denshin Denwa Co Ltd A speech analysis-synthesis system
US4472832A (en) * 1981-12-01 1984-09-18 At&T Bell Laboratories Digital speech coder

Also Published As

Publication number Publication date
DE3475664D1 (en) 1989-01-19
EP0137532A3 (en) 1985-07-03
EP0137532B1 (en) 1988-12-14
US4736428A (en) 1988-04-05
JPS6070500A (ja) 1985-04-22
AU574708B2 (en) 1988-07-14
JPH0562760B2 (OSRAM) 1993-09-09
AU3237884A (en) 1985-02-28
NL8302985A (nl) 1985-03-18
EP0137532A2 (en) 1985-04-17

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