FI105292B - Menetelmä ja kehitysväline herätevektoreiden koodikirjan kehittämiseksi - Google Patents

Menetelmä ja kehitysväline herätevektoreiden koodikirjan kehittämiseksi Download PDF

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Publication number
FI105292B
FI105292B FI894151A FI894151A FI105292B FI 105292 B FI105292 B FI 105292B FI 894151 A FI894151 A FI 894151A FI 894151 A FI894151 A FI 894151A FI 105292 B FI105292 B FI 105292B
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FI
Finland
Prior art keywords
codebook
vectors
vector
excitation
codeword
Prior art date
Application number
FI894151A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI894151A0 (fi
Inventor
Ira Alan Gerson
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 FI894151A0 publication Critical patent/FI894151A0/fi
Application granted granted Critical
Publication of FI105292B publication Critical patent/FI105292B/fi

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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)
FI894151A 1988-01-07 1989-09-04 Menetelmä ja kehitysväline herätevektoreiden koodikirjan kehittämiseksi FI105292B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US14144688 1988-01-07
US07/141,446 US4817157A (en) 1988-01-07 1988-01-07 Digital speech coder having improved vector excitation source
PCT/US1988/004394 WO1989006419A1 (en) 1988-01-07 1988-12-29 Digital speech coder having improved vector excitation source
US8804394 1988-12-29

Publications (2)

Publication Number Publication Date
FI894151A0 FI894151A0 (fi) 1989-09-04
FI105292B true FI105292B (fi) 2000-07-14

Family

ID=22495733

Family Applications (1)

Application Number Title Priority Date Filing Date
FI894151A FI105292B (fi) 1988-01-07 1989-09-04 Menetelmä ja kehitysväline herätevektoreiden koodikirjan kehittämiseksi

Country Status (16)

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

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Also Published As

Publication number Publication date
WO1989006419A1 (en) 1989-07-13
CN1035379A (zh) 1989-09-06
CA1279404C (en) 1991-01-22
US4817157A (en) 1989-03-28
CN1021938C (zh) 1993-08-25
JPH08234799A (ja) 1996-09-13
AR246631A1 (es) 1994-08-31
EP0372008A1 (en) 1990-06-13
NO302849B1 (no) 1998-04-27
NO893202L (no) 1989-08-09
IL88465A0 (en) 1989-06-30
MX168558B (es) 1993-05-31
KR930005226B1 (ko) 1993-06-16
DE3853916D1 (de) 1995-07-06
ATE123352T1 (de) 1995-06-15
DK438189D0 (da) 1989-09-05
FI894151A0 (fi) 1989-09-04
JP2523031B2 (ja) 1996-08-07
EP0372008B1 (en) 1995-05-31
DK438189A (da) 1989-11-07
NO893202D0 (no) 1989-08-09
JPH02502135A (ja) 1990-07-12
BR8807414A (pt) 1990-05-15
IL88465A (en) 1992-06-21
DE3853916T2 (de) 1995-12-14
KR930010399B1 (ko) 1993-10-23
JP2820107B2 (ja) 1998-11-05
DK176383B1 (da) 2007-10-22
KR900700994A (ko) 1990-08-17

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