FI955325A0 - Method for vector quantization especially of speech signals - Google Patents

Method for vector quantization especially of speech signals

Info

Publication number
FI955325A0
FI955325A0 FI955325A FI955325A FI955325A0 FI 955325 A0 FI955325 A0 FI 955325A0 FI 955325 A FI955325 A FI 955325A FI 955325 A FI955325 A FI 955325A FI 955325 A0 FI955325 A0 FI 955325A0
Authority
FI
Finland
Prior art keywords
vector quantization
speech signals
speech
quantization
signals
Prior art date
Application number
FI955325A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI955325A (en
FI116597B (en
Inventor
Joerg-Martin Mueller
Bertram Waechter
Original Assignee
Ant Nachrichtentech
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=FI955325(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ant Nachrichtentech filed Critical Ant Nachrichtentech
Publication of FI955325A0 publication Critical patent/FI955325A0/en
Publication of FI955325A publication Critical patent/FI955325A/en
Application granted granted Critical
Publication of FI116597B publication Critical patent/FI116597B/en

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
FI955325A 1993-05-07 1995-11-06 In particular, a method for vector quantization of speech signals FI116597B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4315315A DE4315315A1 (en) 1993-05-07 1993-05-07 Method for vector quantization, especially of speech signals
DE4315315 1993-05-07
DE9400435 1994-04-20
PCT/DE1994/000435 WO1994027286A1 (en) 1993-05-07 1994-04-20 Process for vector quantization, especially of voice signals

Publications (3)

Publication Number Publication Date
FI955325A0 true FI955325A0 (en) 1995-11-06
FI955325A FI955325A (en) 1995-11-06
FI116597B FI116597B (en) 2005-12-30

Family

ID=6487539

Family Applications (1)

Application Number Title Priority Date Filing Date
FI955325A FI116597B (en) 1993-05-07 1995-11-06 In particular, a method for vector quantization of speech signals

Country Status (8)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19538852A1 (en) * 1995-06-30 1997-01-02 Deutsche Telekom Ag Method and arrangement for classifying speech signals
CA2188369C (en) * 1995-10-19 2005-01-11 Joachim Stegmann Method and an arrangement for classifying speech signals
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 speech coder
JP3089769B2 (en) * 1991-12-03 2000-09-18 日本電気株式会社 Audio coding device

Also Published As

Publication number Publication date
EP0697125B1 (en) 1999-07-14
DE59408495D1 (en) 1999-08-19
HU216223B (en) 1999-05-28
HU9503179D0 (en) 1995-12-28
AU681137B2 (en) 1997-08-21
WO1994027286A1 (en) 1994-11-24
DE4315315A1 (en) 1994-11-10
ES2136732T3 (en) 1999-12-01
EP0697125A1 (en) 1996-02-21
HUT73545A (en) 1996-08-28
FI955325A (en) 1995-11-06
AU6502594A (en) 1994-12-12
FI116597B (en) 2005-12-30
DK0697125T3 (en) 2000-01-24

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