DK0697125T3 - Fremgangsmåde til vektorkvantificering især af talesignaler - Google Patents

Fremgangsmåde til vektorkvantificering især af talesignaler

Info

Publication number
DK0697125T3
DK0697125T3 DK94912472T DK94912472T DK0697125T3 DK 0697125 T3 DK0697125 T3 DK 0697125T3 DK 94912472 T DK94912472 T DK 94912472T DK 94912472 T DK94912472 T DK 94912472T DK 0697125 T3 DK0697125 T3 DK 0697125T3
Authority
DK
Denmark
Prior art keywords
speech signals
vector quantification
quantification
vector
speech
Prior art date
Application number
DK94912472T
Other languages
English (en)
Inventor
Joerg-Martin Mueller
Bertram Waechter
Original Assignee
Bosch Gmbh Robert
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6487539&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0697125(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of DK0697125T3 publication Critical patent/DK0697125T3/da

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3082—Vector coding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
DK94912472T 1993-05-07 1994-04-20 Fremgangsmåde til vektorkvantificering især af talesignaler DK0697125T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4315315A DE4315315A1 (de) 1993-05-07 1993-05-07 Verfahren zur Vektorquantisierung insbesondere von Sprachsignalen
PCT/DE1994/000435 WO1994027286A1 (de) 1993-05-07 1994-04-20 Verfahren zur vektorquantisierung, insbesondere von sprachsignalen

Publications (1)

Publication Number Publication Date
DK0697125T3 true DK0697125T3 (da) 2000-01-24

Family

ID=6487539

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94912472T DK0697125T3 (da) 1993-05-07 1994-04-20 Fremgangsmåde til vektorkvantificering især af talesignaler

Country Status (8)

Country Link
EP (1) EP0697125B1 (da)
AU (1) AU681137B2 (da)
DE (2) DE4315315A1 (da)
DK (1) DK0697125T3 (da)
ES (1) ES2136732T3 (da)
FI (1) FI116597B (da)
HU (1) HU216223B (da)
WO (1) WO1994027286A1 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19538852A1 (de) * 1995-06-30 1997-01-02 Deutsche Telekom Ag Verfahren und Anordnung zur Klassifizierung von Sprachsignalen
US5781881A (en) * 1995-10-19 1998-07-14 Deutsche Telekom Ag Variable-subframe-length speech-coding classes derived from wavelet-transform parameters
US5867814A (en) * 1995-11-17 1999-02-02 National Semiconductor Corporation Speech coder that utilizes correlation maximization to achieve fast excitation coding, and associated coding method
GB2312360B (en) * 1996-04-12 2001-01-24 Olympus Optical Co Voice signal coding apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL94119A (en) * 1989-06-23 1996-06-18 Motorola Inc Digital voice recorder
JP3089769B2 (ja) * 1991-12-03 2000-09-18 日本電気株式会社 音声符号化装置

Also Published As

Publication number Publication date
FI955325A (fi) 1995-11-06
AU681137B2 (en) 1997-08-21
DE59408495D1 (de) 1999-08-19
FI116597B (fi) 2005-12-30
EP0697125A1 (de) 1996-02-21
AU6502594A (en) 1994-12-12
DE4315315A1 (de) 1994-11-10
WO1994027286A1 (de) 1994-11-24
ES2136732T3 (es) 1999-12-01
HU216223B (hu) 1999-05-28
EP0697125B1 (de) 1999-07-14
HUT73545A (en) 1996-08-28
HU9503179D0 (en) 1995-12-28
FI955325A0 (fi) 1995-11-06

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