FI955325A0 - Förfarande för vektorkvantisering speciellt av talsignaler - Google Patents
Förfarande för vektorkvantisering speciellt av talsignalerInfo
- 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
Links
- 238000000034 method Methods 0.000 title 1
- 238000013139 quantization Methods 0.000 title 1
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
- 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 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
-
- 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 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
- G10L2019/0011—Long term prediction filters, i.e. pitch estimation
-
- 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
- G10L2019/0014—Selection criteria for distances
-
- 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)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4315315 | 1993-05-07 | ||
DE4315315A DE4315315A1 (de) | 1993-05-07 | 1993-05-07 | Verfahren zur Vektorquantisierung insbesondere von Sprachsignalen |
DE9400435 | 1994-04-20 | ||
PCT/DE1994/000435 WO1994027286A1 (de) | 1993-05-07 | 1994-04-20 | Verfahren zur vektorquantisierung, insbesondere von sprachsignalen |
Publications (3)
Publication Number | Publication Date |
---|---|
FI955325A0 true FI955325A0 (sv) | 1995-11-06 |
FI955325A FI955325A (sv) | 1995-11-06 |
FI116597B FI116597B (sv) | 2005-12-30 |
Family
ID=6487539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI955325A FI116597B (sv) | 1993-05-07 | 1995-11-06 | Förfarande för vektorkvantisering speciellt av talsignaler |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0697125B1 (sv) |
AU (1) | AU681137B2 (sv) |
DE (2) | DE4315315A1 (sv) |
DK (1) | DK0697125T3 (sv) |
ES (1) | ES2136732T3 (sv) |
FI (1) | FI116597B (sv) |
HU (1) | HU216223B (sv) |
WO (1) | WO1994027286A1 (sv) |
Families Citing this family (4)
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)
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 |
-
1993
- 1993-05-07 DE DE4315315A patent/DE4315315A1/de not_active Withdrawn
-
1994
- 1994-04-20 DE DE59408495T patent/DE59408495D1/de not_active Expired - Lifetime
- 1994-04-20 ES ES94912472T patent/ES2136732T3/es not_active Expired - Lifetime
- 1994-04-20 HU HU9503179A patent/HU216223B/hu unknown
- 1994-04-20 AU AU65025/94A patent/AU681137B2/en not_active Expired
- 1994-04-20 DK DK94912472T patent/DK0697125T3/da active
- 1994-04-20 WO PCT/DE1994/000435 patent/WO1994027286A1/de active IP Right Grant
- 1994-04-20 EP EP94912472A patent/EP0697125B1/de not_active Expired - Lifetime
-
1995
- 1995-11-06 FI FI955325A patent/FI116597B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HUT73545A (en) | 1996-08-28 |
FI116597B (sv) | 2005-12-30 |
EP0697125A1 (de) | 1996-02-21 |
ES2136732T3 (es) | 1999-12-01 |
DK0697125T3 (da) | 2000-01-24 |
HU9503179D0 (en) | 1995-12-28 |
DE4315315A1 (de) | 1994-11-10 |
WO1994027286A1 (de) | 1994-11-24 |
AU681137B2 (en) | 1997-08-21 |
DE59408495D1 (de) | 1999-08-19 |
AU6502594A (en) | 1994-12-12 |
EP0697125B1 (de) | 1999-07-14 |
FI955325A (sv) | 1995-11-06 |
HU216223B (hu) | 1999-05-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GB | Transfer or assigment of application |
Owner name: ROBERT BOSCH GMBH |
|
FG | Patent granted |
Ref document number: 116597 Country of ref document: FI |
|
PC | Transfer of assignment of patent |
Owner name: IPCOM GMBH & CO.KG Free format text: IPCOM GMBH & CO.KG |
|
MA | Patent expired |