CN1319045C - 信号接收和传输方法及相应的背景信号发生器 - Google Patents
信号接收和传输方法及相应的背景信号发生器 Download PDFInfo
- Publication number
- CN1319045C CN1319045C CNB028100069A CN02810006A CN1319045C CN 1319045 C CN1319045 C CN 1319045C CN B028100069 A CNB028100069 A CN B028100069A CN 02810006 A CN02810006 A CN 02810006A CN 1319045 C CN1319045 C CN 1319045C
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- 238000000034 method Methods 0.000 claims abstract description 37
- 238000004891 communication Methods 0.000 claims abstract description 11
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- 230000005284 excitation Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 35
- 238000006243 chemical reaction Methods 0.000 description 9
- 102100038623 cGMP-gated cation channel alpha-1 Human genes 0.000 description 7
- 101710088233 cGMP-gated cation channel alpha-1 Proteins 0.000 description 7
- 206010038743 Restlessness Diseases 0.000 description 4
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- 238000005516 engineering process Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
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Classifications
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- 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
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- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
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- 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)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10124189.5 | 2001-05-17 | ||
| DE10124189A DE10124189A1 (de) | 2001-05-17 | 2001-05-17 | Verfahren zum Signalempfang |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1636241A CN1636241A (zh) | 2005-07-06 |
| CN1319045C true CN1319045C (zh) | 2007-05-30 |
Family
ID=7685230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028100069A Expired - Fee Related CN1319045C (zh) | 2001-05-17 | 2002-04-29 | 信号接收和传输方法及相应的背景信号发生器 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1390947B1 (de) |
| CN (1) | CN1319045C (de) |
| DE (2) | DE10124189A1 (de) |
| WO (1) | WO2002093562A2 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7546237B2 (en) * | 2005-12-23 | 2009-06-09 | Qnx Software Systems (Wavemakers), Inc. | Bandwidth extension of narrowband speech |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997028527A1 (en) * | 1996-02-01 | 1997-08-07 | Telefonaktiebolaget Lm Ericsson (Publ) | A noisy speech parameter enhancement method and apparatus |
| CN1265217A (zh) * | 1997-07-02 | 2000-08-30 | 西莫克国际有限公司 | 在语音通信系统中语音增强的方法和装置 |
-
2001
- 2001-05-17 DE DE10124189A patent/DE10124189A1/de not_active Withdrawn
-
2002
- 2002-04-29 EP EP02737822A patent/EP1390947B1/de not_active Expired - Lifetime
- 2002-04-29 CN CNB028100069A patent/CN1319045C/zh not_active Expired - Fee Related
- 2002-04-29 DE DE50201243T patent/DE50201243D1/de not_active Expired - Lifetime
- 2002-04-29 WO PCT/DE2002/001560 patent/WO2002093562A2/de active IP Right Grant
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997028527A1 (en) * | 1996-02-01 | 1997-08-07 | Telefonaktiebolaget Lm Ericsson (Publ) | A noisy speech parameter enhancement method and apparatus |
| CN1265217A (zh) * | 1997-07-02 | 2000-08-30 | 西莫克国际有限公司 | 在语音通信系统中语音增强的方法和装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002093562A3 (de) | 2003-06-19 |
| DE50201243D1 (de) | 2004-11-11 |
| EP1390947A2 (de) | 2004-02-25 |
| EP1390947B1 (de) | 2004-10-06 |
| WO2002093562A2 (de) | 2002-11-21 |
| CN1636241A (zh) | 2005-07-06 |
| DE10124189A1 (de) | 2002-11-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070530 Termination date: 20190429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |