JP2002503834A - スプリット・ベクトル量子化データ符号化のためのシステムおよび方法 - Google Patents
スプリット・ベクトル量子化データ符号化のためのシステムおよび方法Info
- Publication number
- JP2002503834A JP2002503834A JP2000531838A JP2000531838A JP2002503834A JP 2002503834 A JP2002503834 A JP 2002503834A JP 2000531838 A JP2000531838 A JP 2000531838A JP 2000531838 A JP2000531838 A JP 2000531838A JP 2002503834 A JP2002503834 A JP 2002503834A
- Authority
- JP
- Japan
- Prior art keywords
- parameters
- vector
- data
- lsp
- reconstructed
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 239000013598 vector Substances 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000013139 quantization Methods 0.000 claims abstract description 58
- 238000001228 spectrum Methods 0.000 claims abstract description 31
- 230000003595 spectral effect Effects 0.000 claims abstract description 20
- 238000013144 data compression Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000009826 distribution Methods 0.000 description 14
- 238000013138 pruning Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 9
- 238000010606 normalization Methods 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000003786 synthesis reaction Methods 0.000 description 8
- 230000007774 longterm Effects 0.000 description 6
- 238000012549 training Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 101000984710 Homo sapiens Lymphocyte-specific protein 1 Proteins 0.000 description 2
- 102100027105 Lymphocyte-specific protein 1 Human genes 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 101100219325 Phaseolus vulgaris BA13 gene Proteins 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 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
-
- 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
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
- G10L19/07—Line spectrum pair [LSP] vocoders
-
- 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
- G10L2019/0004—Design or structure of the codebook
-
- 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
- G10L2019/0016—Codebook for LPC parameters
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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2243798A | 1998-02-12 | 1998-02-12 | |
| US09/022,437 | 1998-02-12 | ||
| PCT/US1999/002431 WO1999041736A2 (en) | 1998-02-12 | 1999-02-04 | A system and method for providing split vector quantization data coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002503834A true JP2002503834A (ja) | 2002-02-05 |
Family
ID=21809582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000531838A Pending JP2002503834A (ja) | 1998-02-12 | 1999-02-04 | スプリット・ベクトル量子化データ符号化のためのシステムおよび方法 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1062657A4 (de) |
| JP (1) | JP2002503834A (de) |
| KR (1) | KR20010040902A (de) |
| WO (1) | WO1999041736A2 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100324204B1 (ko) * | 1999-12-24 | 2002-02-16 | 오길록 | 예측분할벡터양자화 및 예측분할행렬양자화 방식에 의한선스펙트럼쌍 양자화기의 고속탐색방법 |
| KR101393301B1 (ko) * | 2005-11-15 | 2014-05-28 | 삼성전자주식회사 | 선형예측계수의 양자화 및 역양자화 방법 및 장치 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3151874B2 (ja) * | 1991-02-26 | 2001-04-03 | 日本電気株式会社 | 音声パラメータ符号化方式および装置 |
| US5651026A (en) * | 1992-06-01 | 1997-07-22 | Hughes Electronics | Robust vector quantization of line spectral frequencies |
| US5668925A (en) * | 1995-06-01 | 1997-09-16 | Martin Marietta Corporation | Low data rate speech encoder with mixed excitation |
| US5649051A (en) * | 1995-06-01 | 1997-07-15 | Rothweiler; Joseph Harvey | Constant data rate speech encoder for limited bandwidth path |
| US5636231A (en) * | 1995-09-05 | 1997-06-03 | Motorola, Inc. | Method and apparatus for minimal redundancy error detection and correction of voice spectrum parameters |
| KR100322706B1 (ko) * | 1995-09-25 | 2002-06-20 | 윤종용 | 선형예측부호화계수의부호화및복호화방법 |
-
1999
- 1999-02-04 KR KR1020007008810A patent/KR20010040902A/ko not_active Application Discontinuation
- 1999-02-04 EP EP99905742A patent/EP1062657A4/de not_active Withdrawn
- 1999-02-04 WO PCT/US1999/002431 patent/WO1999041736A2/en not_active Application Discontinuation
- 1999-02-04 JP JP2000531838A patent/JP2002503834A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP1062657A2 (de) | 2000-12-27 |
| EP1062657A4 (de) | 2004-10-06 |
| WO1999041736A2 (en) | 1999-08-19 |
| WO1999041736A3 (en) | 1999-10-21 |
| KR20010040902A (ko) | 2001-05-15 |
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