DK176383B1 - Fremgangsmåde og apparat til at generere en kodebog af excitationsvektorer samt talekoder og digitalt radiokommunikationsudstyr omfattende et kodebogvektorgenererende apparat - Google Patents

Fremgangsmåde og apparat til at generere en kodebog af excitationsvektorer samt talekoder og digitalt radiokommunikationsudstyr omfattende et kodebogvektorgenererende apparat Download PDF

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Publication number
DK176383B1
DK176383B1 DK198904381A DK438189A DK176383B1 DK 176383 B1 DK176383 B1 DK 176383B1 DK 198904381 A DK198904381 A DK 198904381A DK 438189 A DK438189 A DK 438189A DK 176383 B1 DK176383 B1 DK 176383B1
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Prior art keywords
vectors
codebook
password
vector
excitation
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DK198904381A
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Danish (da)
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DK438189D0 (da
DK438189A (da
Inventor
Ira Alan Gerson
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Motorola Inc
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    • 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

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  • 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)
DK198904381A 1988-01-07 1989-09-05 Fremgangsmåde og apparat til at generere en kodebog af excitationsvektorer samt talekoder og digitalt radiokommunikationsudstyr omfattende et kodebogvektorgenererende apparat DK176383B1 (da)

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 (3)

Publication Number Publication Date
DK438189D0 DK438189D0 (da) 1989-09-05
DK438189A DK438189A (da) 1989-11-07
DK176383B1 true DK176383B1 (da) 2007-10-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DK198904381A DK176383B1 (da) 1988-01-07 1989-09-05 Fremgangsmåde og apparat til at generere en kodebog af excitationsvektorer samt talekoder og digitalt radiokommunikationsudstyr omfattende et kodebogvektorgenererende apparat

Country Status (16)

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

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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
FI105292B (fi) 2000-07-14
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
KR900700994A (ko) 1990-08-17

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