ES2261620T3 - Metodo de sintesis de tramas de ruido aceptable. - Google Patents
Metodo de sintesis de tramas de ruido aceptable.Info
- Publication number
- ES2261620T3 ES2261620T3 ES02380145T ES02380145T ES2261620T3 ES 2261620 T3 ES2261620 T3 ES 2261620T3 ES 02380145 T ES02380145 T ES 02380145T ES 02380145 T ES02380145 T ES 02380145T ES 2261620 T3 ES2261620 T3 ES 2261620T3
- Authority
- ES
- Spain
- Prior art keywords
- frames
- cnf
- block
- code
- frame
- 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
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000015572 biosynthetic process Effects 0.000 title claims description 11
- 238000003786 synthesis reaction Methods 0.000 title claims description 11
- 230000006870 function Effects 0.000 claims description 13
- 238000004364 calculation method Methods 0.000 claims description 7
- 230000014509 gene expression Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000006467 substitution reaction Methods 0.000 claims description 2
- 230000002194 synthesizing effect Effects 0.000 abstract 2
- 230000008569 process Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000001755 vocal effect Effects 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
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- 206010002953 Aphonia Diseases 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011002 quantification Methods 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
- G10L19/012—Comfort noise or silence coding
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Noise Elimination (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02380145A EP1378888B1 (de) | 2002-07-02 | 2002-07-02 | Verfahren zur Synthese von Komfortgeräusch-Rahmen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2261620T3 true ES2261620T3 (es) | 2006-11-16 |
Family
ID=29719798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES02380145T Expired - Lifetime ES2261620T3 (es) | 2002-07-02 | 2002-07-02 | Metodo de sintesis de tramas de ruido aceptable. |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1378888B1 (de) |
| AT (1) | ATE322733T1 (de) |
| DE (1) | DE60210437D1 (de) |
| ES (1) | ES2261620T3 (de) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5745522A (en) * | 1995-11-09 | 1998-04-28 | General Instrument Corporation Of Delaware | Randomizer for byte-wise scrambling of data |
| US5960389A (en) * | 1996-11-15 | 1999-09-28 | Nokia Mobile Phones Limited | Methods for generating comfort noise during discontinuous transmission |
| EP0980605A2 (de) * | 1998-03-05 | 2000-02-23 | Koninklijke Philips Electronics N.V. | Maskengenerierende polynome für pseudozufalls-rauschgeneratoren |
| US7124079B1 (en) * | 1998-11-23 | 2006-10-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Speech coding with comfort noise variability feature for increased fidelity |
| US6208618B1 (en) * | 1998-12-04 | 2001-03-27 | Tellabs Operations, Inc. | Method and apparatus for replacing lost PSTN data in a packet network |
-
2002
- 2002-07-02 DE DE60210437T patent/DE60210437D1/de not_active Expired - Lifetime
- 2002-07-02 EP EP02380145A patent/EP1378888B1/de not_active Expired - Lifetime
- 2002-07-02 ES ES02380145T patent/ES2261620T3/es not_active Expired - Lifetime
- 2002-07-02 AT AT02380145T patent/ATE322733T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1378888B1 (de) | 2006-04-05 |
| ATE322733T1 (de) | 2006-04-15 |
| EP1378888A1 (de) | 2004-01-07 |
| DE60210437D1 (de) | 2006-05-18 |
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