CN102034481B - 通信设备 - Google Patents
通信设备 Download PDFInfo
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- CN102034481B CN102034481B CN2010102948710A CN201010294871A CN102034481B CN 102034481 B CN102034481 B CN 102034481B CN 2010102948710 A CN2010102948710 A CN 2010102948710A CN 201010294871 A CN201010294871 A CN 201010294871A CN 102034481 B CN102034481 B CN 102034481B
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- 238000004891 communication Methods 0.000 title claims abstract description 84
- 238000012545 processing Methods 0.000 claims abstract description 105
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Images
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
- G10L19/04—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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/18—Automatic or semi-automatic exchanges with means for reducing interference or noise; with means for reducing effects due to line faults with means for protecting lines
-
- 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
- G10L21/0208—Noise filtering
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0004—Design or structure of the codebook
- G10L2019/0005—Multi-stage vector quantisation
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0007—Codebook element generation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computational Linguistics (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)
Abstract
Description
Claims (9)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24627909P | 2009-09-28 | 2009-09-28 | |
US61/246,279 | 2009-09-28 | ||
US12/643,577 US8260220B2 (en) | 2009-09-28 | 2009-12-21 | Communication device with reduced noise speech coding |
US12/643,577 | 2009-12-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102034481A CN102034481A (zh) | 2011-04-27 |
CN102034481B true CN102034481B (zh) | 2012-10-03 |
Family
ID=43297030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010102948710A Active CN102034481B (zh) | 2009-09-28 | 2010-09-28 | 通信设备 |
Country Status (4)
Country | Link |
---|---|
US (3) | US8260220B2 (zh) |
EP (1) | EP2309498B1 (zh) |
CN (1) | CN102034481B (zh) |
HK (1) | HK1155554A1 (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8260220B2 (en) * | 2009-09-28 | 2012-09-04 | Broadcom Corporation | Communication device with reduced noise speech coding |
CN105355209B (zh) | 2010-07-02 | 2020-02-14 | 杜比国际公司 | 音高增强后置滤波器 |
US8797966B2 (en) | 2011-09-23 | 2014-08-05 | Ofinno Technologies, Llc | Channel state information transmission |
US8879496B2 (en) | 2011-12-19 | 2014-11-04 | Ofinno Technologies, Llc | Beamforming codeword exchange between base stations |
US9263044B1 (en) * | 2012-06-27 | 2016-02-16 | Amazon Technologies, Inc. | Noise reduction based on mouth area movement recognition |
JP6098114B2 (ja) | 2012-10-26 | 2017-03-22 | アイコム株式会社 | 中継装置および通信システム |
WO2015132798A2 (en) * | 2014-03-04 | 2015-09-11 | Indian Institute Of Technology Bombay | Method and system for consonant-vowel ratio modification for improving speech perception |
EP3079151A1 (en) * | 2015-04-09 | 2016-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and method for encoding an audio signal |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5680508A (en) * | 1991-05-03 | 1997-10-21 | Itt Corporation | Enhancement of speech coding in background noise for low-rate speech coder |
CN1274456A (zh) * | 1998-05-21 | 2000-11-22 | 萨里大学 | 语音编码器 |
US6556966B1 (en) * | 1998-08-24 | 2003-04-29 | Conexant Systems, Inc. | Codebook structure for changeable pulse multimode speech coding |
CN1500261A (zh) * | 2001-03-30 | 2004-05-26 | 艾利森电话股份有限公司 | 噪声抑制 |
CN101388214A (zh) * | 2007-09-14 | 2009-03-18 | 向为 | 一种变速率的声码器及其编码方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7020605B2 (en) * | 2000-09-15 | 2006-03-28 | Mindspeed Technologies, Inc. | Speech coding system with time-domain noise attenuation |
EP1902906B1 (en) * | 2006-09-22 | 2017-07-26 | Harman Becker Automotive Systems GmbH | Add-on module for externally controlling a speech dialog system |
US20080208575A1 (en) * | 2007-02-27 | 2008-08-28 | Nokia Corporation | Split-band encoding and decoding of an audio signal |
US8260220B2 (en) * | 2009-09-28 | 2012-09-04 | Broadcom Corporation | Communication device with reduced noise speech coding |
-
2009
- 2009-12-21 US US12/643,577 patent/US8260220B2/en active Active
-
2010
- 2010-09-21 EP EP10010082.5A patent/EP2309498B1/en active Active
- 2010-09-28 CN CN2010102948710A patent/CN102034481B/zh active Active
-
2011
- 2011-09-20 HK HK11109899.0A patent/HK1155554A1/xx not_active IP Right Cessation
-
2012
- 2012-08-20 US US13/589,329 patent/US8391807B2/en active Active
-
2013
- 2013-01-31 US US13/756,532 patent/US8634783B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5680508A (en) * | 1991-05-03 | 1997-10-21 | Itt Corporation | Enhancement of speech coding in background noise for low-rate speech coder |
CN1274456A (zh) * | 1998-05-21 | 2000-11-22 | 萨里大学 | 语音编码器 |
US6556966B1 (en) * | 1998-08-24 | 2003-04-29 | Conexant Systems, Inc. | Codebook structure for changeable pulse multimode speech coding |
CN1500261A (zh) * | 2001-03-30 | 2004-05-26 | 艾利森电话股份有限公司 | 噪声抑制 |
CN101388214A (zh) * | 2007-09-14 | 2009-03-18 | 向为 | 一种变速率的声码器及其编码方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2309498A1 (en) | 2011-04-13 |
EP2309498B1 (en) | 2016-11-09 |
US20130143618A1 (en) | 2013-06-06 |
US20120310634A1 (en) | 2012-12-06 |
HK1155554A1 (en) | 2012-05-18 |
US8391807B2 (en) | 2013-03-05 |
US8260220B2 (en) | 2012-09-04 |
US8634783B2 (en) | 2014-01-21 |
CN102034481A (zh) | 2011-04-27 |
US20110076968A1 (en) | 2011-03-31 |
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