JP6559427B2 - 音声処理装置、音声処理方法およびプログラム - Google Patents
音声処理装置、音声処理方法およびプログラム Download PDFInfo
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- JP6559427B2 JP6559427B2 JP2015010666A JP2015010666A JP6559427B2 JP 6559427 B2 JP6559427 B2 JP 6559427B2 JP 2015010666 A JP2015010666 A JP 2015010666A JP 2015010666 A JP2015010666 A JP 2015010666A JP 6559427 B2 JP6559427 B2 JP 6559427B2
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- 238000003672 processing method Methods 0.000 title claims description 5
- 238000001228 spectrum Methods 0.000 claims description 55
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 14
- 230000001131 transforming effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 14
- 239000000284 extract Substances 0.000 description 5
- 238000000605 extraction Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/90—Pitch determination of speech signals
-
- 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
- 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
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L21/0232—Processing in the frequency domain
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Circuit For Audible Band Transducer (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
参考文献1:阿部 敏彦、他2名、“瞬時周波数に基づく雑音環境下でのピッチ推定”、電子情報通信学会論文誌. D−II、情報・システム、II−情報処理 J79−D−2(11)、pp.1771−1781(1996)
参考文献2:金寺 登、他2名、“音声中の言語情報を担う変調スペクトル特性の検討”、日本音響学会研究発表会講演論文集1999(1)、3−4(1999)
11 強調部
12 変換部
13 フィルタ部
14 逆変換部
15 検出部
16 推定部
Claims (5)
- 入力音声に含まれる調波成分を強調した占有度スペクトルを生成する強調部と、
前記占有度スペクトルを変調周波数領域の信号に変換する変換部と、
人の発話を通過させるよう設計されたフィルタにより前記変調周波数領域の信号に対するフィルタリングを行うフィルタ部と、
前記フィルタリングが行われた前記変調周波数領域の信号を周波数領域の信号に逆変換する逆変換部と、を備える音声処理装置。 - 逆変換した前記周波数領域の信号に基づいて、前記入力音声に含まれる人の発話の区間である発話区間を検出する検出部をさらに備える、請求項1に記載の音声処理装置。
- 逆変換した前記周波数領域の信号に基づいて、前記入力音声に含まれる人の発話の基本周波数を推定する推定部をさらに備える、請求項1または2に記載の音声処理装置。
- 音声処理装置により実行される音声処理方法であって、
入力音声に含まれる調波成分を強調した占有度スペクトルを生成するステップと、
前記占有度スペクトルを変調周波数領域の信号に変換するステップと、
人の発話を通過させるよう設計されたフィルタにより前記変調周波数領域の信号に対するフィルタリングを行うステップと、
前記フィルタリングが行われた前記変調周波数領域の信号を周波数領域の信号に逆変換するステップと、を含む音声処理方法。 - コンピュータに、
入力音声に含まれる調波成分を強調した占有度スペクトルを生成する機能と、
前記占有度スペクトルを変調周波数領域の信号に変換する機能と、
人の発話を通過させるよう設計されたフィルタにより前記変調周波数領域の信号に対するフィルタリングを行う機能と、
前記フィルタリングが行われた前記変調周波数の信号を周波数領域の信号に逆変換する機能と、を実現させるためのプログラム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015010666A JP6559427B2 (ja) | 2015-01-22 | 2015-01-22 | 音声処理装置、音声処理方法およびプログラム |
CN201510690027.2A CN105825863A (zh) | 2015-01-22 | 2015-10-22 | 语音处理装置和语音处理方法 |
US14/925,243 US20160217809A1 (en) | 2015-01-22 | 2015-10-28 | Speech processing apparatus, speech processing method, and computer program product |
Applications Claiming Priority (1)
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---|---|---|---|
JP2015010666A JP6559427B2 (ja) | 2015-01-22 | 2015-01-22 | 音声処理装置、音声処理方法およびプログラム |
Publications (2)
Publication Number | Publication Date |
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JP2016133794A JP2016133794A (ja) | 2016-07-25 |
JP6559427B2 true JP6559427B2 (ja) | 2019-08-14 |
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JP2015010666A Active JP6559427B2 (ja) | 2015-01-22 | 2015-01-22 | 音声処理装置、音声処理方法およびプログラム |
Country Status (3)
Country | Link |
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US (1) | US20160217809A1 (ja) |
JP (1) | JP6559427B2 (ja) |
CN (1) | CN105825863A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108461081B (zh) * | 2018-03-21 | 2020-07-31 | 北京金山安全软件有限公司 | 语音控制的方法、装置、设备和存储介质 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4403436B2 (ja) * | 2007-02-21 | 2010-01-27 | ソニー株式会社 | 信号分離装置、および信号分離方法、並びにコンピュータ・プログラム |
DE112011105791B4 (de) * | 2011-11-02 | 2019-12-12 | Mitsubishi Electric Corporation | Störungsunterdrückungsvorrichtung |
JP2014134688A (ja) * | 2013-01-10 | 2014-07-24 | Yamaha Corp | 音響解析装置 |
CN105122359B (zh) * | 2013-04-10 | 2019-04-23 | 杜比实验室特许公司 | 语音去混响的方法、设备和系统 |
-
2015
- 2015-01-22 JP JP2015010666A patent/JP6559427B2/ja active Active
- 2015-10-22 CN CN201510690027.2A patent/CN105825863A/zh not_active Withdrawn
- 2015-10-28 US US14/925,243 patent/US20160217809A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
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CN105825863A (zh) | 2016-08-03 |
JP2016133794A (ja) | 2016-07-25 |
US20160217809A1 (en) | 2016-07-28 |
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