IL88465A - Digital speech coder having improved vector excitation source - Google Patents

Digital speech coder having improved vector excitation source

Info

Publication number
IL88465A
IL88465A IL88465A IL8846588A IL88465A IL 88465 A IL88465 A IL 88465A IL 88465 A IL88465 A IL 88465A IL 8846588 A IL8846588 A IL 8846588A IL 88465 A IL88465 A IL 88465A
Authority
IL
Israel
Prior art keywords
excitation source
speech coder
digital speech
improved vector
vector excitation
Prior art date
Application number
IL88465A
Other languages
English (en)
Other versions
IL88465A0 (en
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 IL88465A0 publication Critical patent/IL88465A0/xx
Publication of IL88465A publication Critical patent/IL88465A/xx

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
    • G10L13/00—Speech synthesis; Text to speech systems
    • 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
    • G10L19/135—Vector sum excited linear prediction [VSELP]
    • 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
    • G10L2019/0007—Codebook element generation
    • 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
    • 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
    • G10L25/06—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 correlation coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Photovoltaic Devices (AREA)
IL88465A 1988-01-07 1988-11-23 Digital speech coder having improved vector excitation source IL88465A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/141,446 US4817157A (en) 1988-01-07 1988-01-07 Digital speech coder having improved vector excitation source

Publications (2)

Publication Number Publication Date
IL88465A0 IL88465A0 (en) 1989-06-30
IL88465A true IL88465A (en) 1992-06-21

Family

ID=22495733

Family Applications (1)

Application Number Title Priority Date Filing Date
IL88465A IL88465A (en) 1988-01-07 1988-11-23 Digital speech coder having improved vector excitation source

Country Status (16)

Country Link
US (1) US4817157A (da)
EP (1) EP0372008B1 (da)
JP (2) JP2523031B2 (da)
KR (2) KR930010399B1 (da)
CN (1) CN1021938C (da)
AR (1) AR246631A1 (da)
AT (1) ATE123352T1 (da)
BR (1) BR8807414A (da)
CA (1) CA1279404C (da)
DE (1) DE3853916T2 (da)
DK (1) DK176383B1 (da)
FI (1) FI105292B (da)
IL (1) IL88465A (da)
MX (1) MX168558B (da)
NO (1) NO302849B1 (da)
WO (1) WO1989006419A1 (da)

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Also Published As

Publication number Publication date
CN1021938C (zh) 1993-08-25
AR246631A1 (es) 1994-08-31
JP2820107B2 (ja) 1998-11-05
ATE123352T1 (de) 1995-06-15
WO1989006419A1 (en) 1989-07-13
NO893202D0 (no) 1989-08-09
CN1035379A (zh) 1989-09-06
NO302849B1 (no) 1998-04-27
IL88465A0 (en) 1989-06-30
EP0372008B1 (en) 1995-05-31
DK438189D0 (da) 1989-09-05
DE3853916D1 (de) 1995-07-06
KR900700994A (ko) 1990-08-17
US4817157A (en) 1989-03-28
MX168558B (es) 1993-05-31
JP2523031B2 (ja) 1996-08-07
KR930010399B1 (ko) 1993-10-23
DK438189A (da) 1989-11-07
FI894151A0 (fi) 1989-09-04
CA1279404C (en) 1991-01-22
EP0372008A1 (en) 1990-06-13
DK176383B1 (da) 2007-10-22
JPH08234799A (ja) 1996-09-13
JPH02502135A (ja) 1990-07-12
DE3853916T2 (de) 1995-12-14
FI105292B (fi) 2000-07-14
KR930005226B1 (ko) 1993-06-16
NO893202L (no) 1989-08-09
BR8807414A (pt) 1990-05-15

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