CN101213591B - 用于非连续语音传输期间的舒适噪声参数自适应传输的系统和方法 - Google Patents
用于非连续语音传输期间的舒适噪声参数自适应传输的系统和方法 Download PDFInfo
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- CN101213591B CN101213591B CN2006800240812A CN200680024081A CN101213591B CN 101213591 B CN101213591 B CN 101213591B CN 2006800240812 A CN2006800240812 A CN 2006800240812A CN 200680024081 A CN200680024081 A CN 200680024081A CN 101213591 B CN101213591 B CN 101213591B
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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
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
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- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
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- Noise Elimination (AREA)
Abstract
Description
VMR-WB | SNR=20dB | SNR=10dB | SNR=0dB |
标准DTX | 51.83% | 48.95% | 7.88% |
可变DTX | 56.90% | 51.75% | 8.21% |
增益 | +5.07% | +2.80% | +0.33% |
Claims (22)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69142005P | 2005-06-18 | 2005-06-18 | |
US60/691,420 | 2005-06-18 | ||
PCT/IB2006/001604 WO2006136901A2 (en) | 2005-06-18 | 2006-06-15 | System and method for adaptive transmission of comfort noise parameters during discontinuous speech transmission |
Publications (2)
Publication Number | Publication Date |
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CN101213591A CN101213591A (zh) | 2008-07-02 |
CN101213591B true CN101213591B (zh) | 2013-07-24 |
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CN2006800240812A Active CN101213591B (zh) | 2005-06-18 | 2006-06-15 | 用于非连续语音传输期间的舒适噪声参数自适应传输的系统和方法 |
Country Status (12)
Country | Link |
---|---|
US (1) | US7693708B2 (zh) |
EP (1) | EP1897085B1 (zh) |
JP (2) | JP2008546341A (zh) |
CN (1) | CN101213591B (zh) |
CA (1) | CA2609945C (zh) |
ES (1) | ES2629727T3 (zh) |
HK (1) | HK1117631A1 (zh) |
MY (1) | MY144785A (zh) |
PL (1) | PL1897085T3 (zh) |
TW (1) | TWI327852B (zh) |
WO (1) | WO2006136901A2 (zh) |
ZA (1) | ZA200800461B (zh) |
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2006
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- 2006-06-15 US US11/424,365 patent/US7693708B2/en active Active
- 2006-06-15 CN CN2006800240812A patent/CN101213591B/zh active Active
- 2006-06-15 ES ES06779723.3T patent/ES2629727T3/es active Active
- 2006-06-15 PL PL06779723T patent/PL1897085T3/pl unknown
- 2006-06-15 WO PCT/IB2006/001604 patent/WO2006136901A2/en active Application Filing
- 2006-06-15 JP JP2008515313A patent/JP2008546341A/ja not_active Withdrawn
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- 2011-04-07 JP JP2011085342A patent/JP5351206B2/ja active Active
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Also Published As
Publication number | Publication date |
---|---|
CN101213591A (zh) | 2008-07-02 |
TWI327852B (en) | 2010-07-21 |
MY144785A (en) | 2011-11-15 |
WO2006136901A3 (en) | 2007-03-08 |
US20060293885A1 (en) | 2006-12-28 |
EP1897085A2 (en) | 2008-03-12 |
JP2011199875A (ja) | 2011-10-06 |
ZA200800461B (en) | 2008-12-31 |
JP5351206B2 (ja) | 2013-11-27 |
EP1897085B1 (en) | 2017-05-31 |
PL1897085T3 (pl) | 2017-10-31 |
CA2609945C (en) | 2012-12-04 |
ES2629727T3 (es) | 2017-08-14 |
CA2609945A1 (en) | 2006-12-28 |
US7693708B2 (en) | 2010-04-06 |
HK1117631A1 (en) | 2009-01-16 |
WO2006136901A2 (en) | 2006-12-28 |
JP2008546341A (ja) | 2008-12-18 |
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