CA2235275C - Systeme de compression pour sons repetitifs - Google Patents
Systeme de compression pour sons repetitifs Download PDFInfo
- Publication number
- CA2235275C CA2235275C CA 2235275 CA2235275A CA2235275C CA 2235275 C CA2235275 C CA 2235275C CA 2235275 CA2235275 CA 2235275 CA 2235275 A CA2235275 A CA 2235275A CA 2235275 C CA2235275 C CA 2235275C
- Authority
- CA
- Canada
- Prior art keywords
- comparison
- result
- sound
- generating
- characterization
- 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.)
- Expired - Lifetime
Links
- 230000006835 compression Effects 0.000 title claims description 12
- 238000007906 compression Methods 0.000 title claims description 12
- 230000003252 repetitive effect Effects 0.000 title description 3
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims description 37
- 239000013598 vector Substances 0.000 claims description 28
- 239000011295 pitch Substances 0.000 claims description 27
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 238000012512 characterization method Methods 0.000 claims 30
- 238000013139 quantization Methods 0.000 claims 3
- 238000005314 correlation function Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 10
- 230000001755 vocal effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 241000282412 Homo Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Abstract
Un système permettant de comprimer les sons fait appel à trois codes distincts utilisant la technique de codage (110) pour générer des codes ou des symboles (120) correspondant à la parole compressée.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54548795A | 1995-10-20 | 1995-10-20 | |
| US08/545,487 | 1995-10-20 | ||
| PCT/US1996/016693 WO1997015046A1 (fr) | 1995-10-20 | 1996-10-21 | Systeme de compression pour sons repetitifs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2235275A1 CA2235275A1 (fr) | 1997-04-24 |
| CA2235275C true CA2235275C (fr) | 2005-12-20 |
Family
ID=29405991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2235275 Expired - Lifetime CA2235275C (fr) | 1995-10-20 | 1996-10-21 | Systeme de compression pour sons repetitifs |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2235275C (fr) |
-
1996
- 1996-10-21 CA CA 2235275 patent/CA2235275C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2235275A1 (fr) | 1997-04-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20161021 |