CN112116917A - 基于相位跃变度的电抗器本体与风机声信号分离方法 - Google Patents
基于相位跃变度的电抗器本体与风机声信号分离方法 Download PDFInfo
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- CN112116917A CN112116917A CN202010964625.5A CN202010964625A CN112116917A CN 112116917 A CN112116917 A CN 112116917A CN 202010964625 A CN202010964625 A CN 202010964625A CN 112116917 A CN112116917 A CN 112116917A
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- 230000005236 sound signal Effects 0.000 title claims abstract description 59
- 238000000926 separation method Methods 0.000 title claims abstract description 10
- 238000004364 calculation method Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 11
- 230000010365 information processing Effects 0.000 claims abstract description 10
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- 230000009467 reduction Effects 0.000 claims abstract description 4
- 230000003595 spectral effect Effects 0.000 claims description 7
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- 230000037433 frameshift Effects 0.000 claims description 3
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- 238000004458 analytical method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000004020 conductor Substances 0.000 description 1
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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
- G10L21/0208—Noise filtering
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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
- G10L21/0208—Noise filtering
- G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive 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
- G10L21/0272—Voice signal separating
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CN202010964625.5A CN112116917B (zh) | 2020-09-15 | 2020-09-15 | 基于相位跃变度的电抗器本体与风机声信号分离方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113253156A (zh) * | 2021-05-17 | 2021-08-13 | 国网江苏省电力有限公司检修分公司 | 一种基于声音监测的变压器潜伏性缺陷诊断方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070025564A1 (en) * | 2005-07-29 | 2007-02-01 | Kabushiki Kaisha Kobe Seiko Sho | Sound source separation apparatus and sound source separation method |
CN107036709A (zh) * | 2017-04-11 | 2017-08-11 | 国网上海市电力公司经济技术研究院 | 一种变电站噪声匹配分离方法 |
CN110047507A (zh) * | 2019-03-01 | 2019-07-23 | 北京交通大学 | 一种声源识别方法及装置 |
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- 2020-09-15 CN CN202010964625.5A patent/CN112116917B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070025564A1 (en) * | 2005-07-29 | 2007-02-01 | Kabushiki Kaisha Kobe Seiko Sho | Sound source separation apparatus and sound source separation method |
CN107036709A (zh) * | 2017-04-11 | 2017-08-11 | 国网上海市电力公司经济技术研究院 | 一种变电站噪声匹配分离方法 |
CN110047507A (zh) * | 2019-03-01 | 2019-07-23 | 北京交通大学 | 一种声源识别方法及装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113253156A (zh) * | 2021-05-17 | 2021-08-13 | 国网江苏省电力有限公司检修分公司 | 一种基于声音监测的变压器潜伏性缺陷诊断方法 |
CN113253156B (zh) * | 2021-05-17 | 2023-01-06 | 国网江苏省电力有限公司检修分公司 | 一种基于声音监测的变压器潜伏性缺陷诊断方法 |
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