CN101620854A - 频带扩展的方法、***和设备 - Google Patents
频带扩展的方法、***和设备 Download PDFInfo
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- CN101620854A CN101620854A CN 200810130702 CN200810130702A CN101620854A CN 101620854 A CN101620854 A CN 101620854A CN 200810130702 CN200810130702 CN 200810130702 CN 200810130702 A CN200810130702 A CN 200810130702A CN 101620854 A CN101620854 A CN 101620854A
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- 238000000034 method Methods 0.000 title claims abstract description 54
- 238000000695 excitation spectrum Methods 0.000 claims abstract description 166
- 230000005284 excitation Effects 0.000 claims abstract description 6
- 238000001228 spectrum Methods 0.000 claims description 63
- 238000007493 shaping process Methods 0.000 claims description 35
- 238000000605 extraction Methods 0.000 claims description 21
- 239000000284 extract Substances 0.000 claims description 19
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 238000005311 autocorrelation function Methods 0.000 claims description 12
- 238000004458 analytical method Methods 0.000 claims description 11
- 238000013139 quantization Methods 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 claims description 6
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 6
- 238000009499 grossing Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 12
- 238000005086 pumping Methods 0.000 description 11
- 238000011002 quantification Methods 0.000 description 11
- 230000003595 spectral effect Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000005070 sampling Methods 0.000 description 4
- 238000012512 characterization method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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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
- 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)
- Quality & Reliability (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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN 200810130702 CN101620854B (zh) | 2008-06-30 | 2008-06-30 | 频带扩展的方法、***和设备 |
PCT/CN2009/072371 WO2010000179A1 (zh) | 2008-06-30 | 2009-06-22 | 频带扩展的方法、***和设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200810130702 CN101620854B (zh) | 2008-06-30 | 2008-06-30 | 频带扩展的方法、***和设备 |
Publications (2)
Publication Number | Publication Date |
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CN101620854A true CN101620854A (zh) | 2010-01-06 |
CN101620854B CN101620854B (zh) | 2012-04-04 |
Family
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Application Number | Title | Priority Date | Filing Date |
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CN 200810130702 Active CN101620854B (zh) | 2008-06-30 | 2008-06-30 | 频带扩展的方法、***和设备 |
Country Status (2)
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CN (1) | CN101620854B (zh) |
WO (1) | WO2010000179A1 (zh) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102194458A (zh) * | 2010-03-02 | 2011-09-21 | 中兴通讯股份有限公司 | 频带复制方法、装置及音频解码方法、*** |
WO2011144130A1 (zh) * | 2010-07-16 | 2011-11-24 | 华为技术有限公司 | 一种频带扩展的方法和装置 |
CN102870156A (zh) * | 2010-04-12 | 2013-01-09 | 飞思卡尔半导体公司 | 音频通信设备、输出音频信号的方法和通信*** |
WO2015043161A1 (zh) * | 2013-09-26 | 2015-04-02 | 华为技术有限公司 | 频带扩展的方法及装置 |
CN106910509A (zh) * | 2011-11-03 | 2017-06-30 | 沃伊斯亚吉公司 | 改善低速率码激励线性预测解码器的非语音内容 |
CN113539281A (zh) * | 2020-04-21 | 2021-10-22 | 华为技术有限公司 | 音频信号编码方法和装置 |
WO2022002216A1 (zh) * | 2020-07-03 | 2022-01-06 | 华为技术有限公司 | 一种音频编码的方法和编解码设备 |
CN115472171A (zh) * | 2021-06-11 | 2022-12-13 | 华为技术有限公司 | 编解码方法、装置、设备、存储介质及计算机程序 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10124088A (ja) * | 1996-10-24 | 1998-05-15 | Sony Corp | 音声帯域幅拡張装置及び方法 |
JP4792613B2 (ja) * | 1999-09-29 | 2011-10-12 | ソニー株式会社 | 情報処理装置および方法、並びに記録媒体 |
US6704711B2 (en) * | 2000-01-28 | 2004-03-09 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for modifying speech signals |
US20020128839A1 (en) * | 2001-01-12 | 2002-09-12 | Ulf Lindgren | Speech bandwidth extension |
CN100395817C (zh) * | 2001-11-14 | 2008-06-18 | 松下电器产业株式会社 | 编码设备、解码设备和解码方法 |
JP2003255973A (ja) * | 2002-02-28 | 2003-09-10 | Nec Corp | 音声帯域拡張システムおよび方法 |
JP4937753B2 (ja) * | 2004-09-06 | 2012-05-23 | パナソニック株式会社 | スケーラブル符号化装置およびスケーラブル符号化方法 |
KR101220621B1 (ko) * | 2004-11-05 | 2013-01-18 | 파나소닉 주식회사 | 부호화 장치 및 부호화 방법 |
UA92742C2 (ru) * | 2005-04-01 | 2010-12-10 | Квелкомм Инкорпорейтед | Способ и устройство для кодирования речевых сигналов с расщеплением полосы |
EP1772855B1 (en) * | 2005-10-07 | 2013-09-18 | Nuance Communications, Inc. | Method for extending the spectral bandwidth of a speech signal |
-
2008
- 2008-06-30 CN CN 200810130702 patent/CN101620854B/zh active Active
-
2009
- 2009-06-22 WO PCT/CN2009/072371 patent/WO2010000179A1/zh active Application Filing
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102194458B (zh) * | 2010-03-02 | 2013-02-27 | 中兴通讯股份有限公司 | 频带复制方法、装置及音频解码方法、*** |
CN102194458A (zh) * | 2010-03-02 | 2011-09-21 | 中兴通讯股份有限公司 | 频带复制方法、装置及音频解码方法、*** |
CN102870156B (zh) * | 2010-04-12 | 2015-07-22 | 飞思卡尔半导体公司 | 音频通信设备、输出音频信号的方法和通信*** |
CN102870156A (zh) * | 2010-04-12 | 2013-01-09 | 飞思卡尔半导体公司 | 音频通信设备、输出音频信号的方法和通信*** |
CN102339607A (zh) * | 2010-07-16 | 2012-02-01 | 华为技术有限公司 | 一种频带扩展的方法和装置 |
WO2011144130A1 (zh) * | 2010-07-16 | 2011-11-24 | 华为技术有限公司 | 一种频带扩展的方法和装置 |
CN106910509A (zh) * | 2011-11-03 | 2017-06-30 | 沃伊斯亚吉公司 | 改善低速率码激励线性预测解码器的非语音内容 |
WO2015043161A1 (zh) * | 2013-09-26 | 2015-04-02 | 华为技术有限公司 | 频带扩展的方法及装置 |
US9666201B2 (en) | 2013-09-26 | 2017-05-30 | Huawei Technologies Co., Ltd. | Bandwidth extension method and apparatus using high frequency excitation signal and high frequency energy |
US10186272B2 (en) | 2013-09-26 | 2019-01-22 | Huawei Technologies Co., Ltd. | Bandwidth extension with line spectral frequency parameters |
CN113539281A (zh) * | 2020-04-21 | 2021-10-22 | 华为技术有限公司 | 音频信号编码方法和装置 |
WO2021213128A1 (zh) * | 2020-04-21 | 2021-10-28 | 华为技术有限公司 | 音频信号编码方法和装置 |
WO2022002216A1 (zh) * | 2020-07-03 | 2022-01-06 | 华为技术有限公司 | 一种音频编码的方法和编解码设备 |
CN115472171A (zh) * | 2021-06-11 | 2022-12-13 | 华为技术有限公司 | 编解码方法、装置、设备、存储介质及计算机程序 |
Also Published As
Publication number | Publication date |
---|---|
CN101620854B (zh) | 2012-04-04 |
WO2010000179A1 (zh) | 2010-01-07 |
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Effective date of registration: 20201216 Address after: No.23, XINER Road, Chengbei Industrial Park, Jingjiang Economic Development Zone, Taizhou City, Jiangsu Province, 214500 Patentee after: JIANGSU RUISHEN CHEMICAL MACHINERY SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: Unit 2414-2416, main building, no.371, Wushan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20201216 Address after: Unit 2414-2416, main building, no.371, Wushan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |
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Effective date of registration: 20220629 Address after: 214500 No. 18 Shannan Road, Chengbei Park, Jingjiang City, Taizhou City, Jiangsu Province Patentee after: Jingjiang City Huaxin Technology Park Co.,Ltd. Address before: No.23, XINER Road, Chengbei Industrial Park, Jingjiang Economic Development Zone, Taizhou City, Jiangsu Province, 214500 Patentee before: JIANGSU RUISHEN CHEMICAL MACHINERY SCIENCE AND TECHNOLOGY CO.,LTD. |