HK1056428A1 - Enhancing source coding systems by adaptive transposition - Google Patents
Enhancing source coding systems by adaptive transposition Download PDFInfo
- Publication number
- HK1056428A1 HK1056428A1 HK03108653A HK03108653A HK1056428A1 HK 1056428 A1 HK1056428 A1 HK 1056428A1 HK 03108653 A HK03108653 A HK 03108653A HK 03108653 A HK03108653 A HK 03108653A HK 1056428 A1 HK1056428 A1 HK 1056428A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- pulse
- train
- passage
- character
- frequency
- Prior art date
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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
- G10L19/02—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
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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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- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (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)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0004818-1 | 2000-12-22 | ||
| SE0004818A SE0004818D0 (sv) | 2000-12-22 | 2000-12-22 | Enhancing source coding systems by adaptive transposition |
| PCT/SE2001/002828 WO2002052545A1 (en) | 2000-12-22 | 2001-12-19 | Enhancing source coding systems by adaptive transposition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| HK1056428A1 true HK1056428A1 (en) | 2004-02-13 |
| HK1056428B HK1056428B (en) | 2004-10-21 |
Family
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Also Published As
| Publication number | Publication date |
|---|---|
| DE60103086T2 (de) | 2005-01-20 |
| WO2002052545A1 (en) | 2002-07-04 |
| US7260520B2 (en) | 2007-08-21 |
| JP3992619B2 (ja) | 2007-10-17 |
| CN1223990C (zh) | 2005-10-19 |
| ATE265731T1 (de) | 2004-05-15 |
| JP2004517358A (ja) | 2004-06-10 |
| KR100566630B1 (ko) | 2006-03-31 |
| EP1338000B1 (en) | 2004-04-28 |
| CN1481546A (zh) | 2004-03-10 |
| EP1338000A1 (en) | 2003-08-27 |
| DE60103086D1 (de) | 2004-06-03 |
| US20020118845A1 (en) | 2002-08-29 |
| KR20040029314A (ko) | 2004-04-06 |
| SE0004818D0 (sv) | 2000-12-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PF | Patent in force | ||
| PE | Patent expired |
Effective date: 20211218 |