FI941648A - Talkodare som utnyttjar syntes-analysteknik, och som omfattar pulsaktivering - Google Patents

Talkodare som utnyttjar syntes-analysteknik, och som omfattar pulsaktivering Download PDF

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Publication number
FI941648A
FI941648A FI941648A FI941648A FI941648A FI 941648 A FI941648 A FI 941648A FI 941648 A FI941648 A FI 941648A FI 941648 A FI941648 A FI 941648A FI 941648 A FI941648 A FI 941648A
Authority
FI
Finland
Prior art keywords
analysis technology
speech encoder
includes pulse
synthesis analysis
pulse activation
Prior art date
Application number
FI941648A
Other languages
English (en)
Finnish (fi)
Other versions
FI941648A0 (sv
Inventor
Luca Cellario
Daniele Sereno
Willem Bastiaan Kleijn
Peter Kroon
Original Assignee
Sip
American Telephone & Telegraph
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 Sip, American Telephone & Telegraph filed Critical Sip
Publication of FI941648A0 publication Critical patent/FI941648A0/sv
Publication of FI941648A publication Critical patent/FI941648A/sv

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
    • G10L2019/0001—Codebooks
    • G10L2019/0003—Backward prediction of gain
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0012—Smoothing of parameters of the decoder interpolation
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0013—Codebook search algorithms
    • G10L2019/0014—Selection criteria for distances
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/24—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being the cepstrum

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)
FI941648A 1993-04-09 1994-04-08 Talkodare som utnyttjar syntes-analysteknik, och som omfattar pulsaktivering FI941648A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT93TO000244A IT1264766B1 (it) 1993-04-09 1993-04-09 Codificatore della voce utilizzante tecniche di analisi con un'eccitazione a impulsi.

Publications (2)

Publication Number Publication Date
FI941648A0 FI941648A0 (sv) 1994-04-08
FI941648A true FI941648A (sv) 1994-10-10

Family

ID=11411368

Family Applications (1)

Application Number Title Priority Date Filing Date
FI941648A FI941648A (sv) 1993-04-09 1994-04-08 Talkodare som utnyttjar syntes-analysteknik, och som omfattar pulsaktivering

Country Status (5)

Country Link
EP (1) EP0619574A1 (sv)
JP (1) JPH075899A (sv)
CA (1) CA2120902A1 (sv)
FI (1) FI941648A (sv)
IT (1) IT1264766B1 (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2729244B1 (fr) * 1995-01-06 1997-03-28 Matra Communication Procede de codage de parole a analyse par synthese
FR2729247A1 (fr) * 1995-01-06 1996-07-12 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
US5664054A (en) * 1995-09-29 1997-09-02 Rockwell International Corporation Spike code-excited linear prediction
WO1998006091A1 (fr) * 1996-08-02 1998-02-12 Matsushita Electric Industrial Co., Ltd. Codec vocal, support sur lequel est enregistre un programme codec vocal, et appareil mobile de telecommunications
KR20000064913A (ko) * 1997-02-10 2000-11-06 요트.게.아. 롤페즈 저ㄴ송 시스템, 수신기, 및 재구성된 음성 신호 유도 방법
US6334648B1 (en) 1997-03-21 2002-01-01 Girsberger Holding Ag Vehicle seat
US6766289B2 (en) * 2001-06-04 2004-07-20 Qualcomm Incorporated Fast code-vector searching
US7236928B2 (en) 2001-12-19 2007-06-26 Ntt Docomo, Inc. Joint optimization of speech excitation and filter parameters
JP3981399B1 (ja) * 2006-03-10 2007-09-26 松下電器産業株式会社 固定符号帳探索装置および固定符号帳探索方法
US7930173B2 (en) 2006-06-19 2011-04-19 Sharp Kabushiki Kaisha Signal processing method, signal processing apparatus and recording medium
WO2010058931A2 (en) * 2008-11-14 2010-05-27 Lg Electronics Inc. A method and an apparatus for processing a signal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8500843A (nl) * 1985-03-22 1986-10-16 Koninkl Philips Electronics Nv Multipuls-excitatie lineair-predictieve spraakcoder.
US4890328A (en) * 1985-08-28 1989-12-26 American Telephone And Telegraph Company Voice synthesis utilizing multi-level filter excitation
US5293449A (en) * 1990-11-23 1994-03-08 Comsat Corporation Analysis-by-synthesis 2,4 kbps linear predictive speech codec

Also Published As

Publication number Publication date
EP0619574A1 (en) 1994-10-12
CA2120902A1 (en) 1994-10-10
FI941648A0 (sv) 1994-04-08
JPH075899A (ja) 1995-01-10
IT1264766B1 (it) 1996-10-04
ITTO930244A1 (it) 1994-10-09
ITTO930244A0 (it) 1993-04-09

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Legal Events

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