JP6096242B2 - 音声区間検出器及び方法 - Google Patents
音声区間検出器及び方法 Download PDFInfo
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- JP6096242B2 JP6096242B2 JP2015100483A JP2015100483A JP6096242B2 JP 6096242 B2 JP6096242 B2 JP 6096242B2 JP 2015100483 A JP2015100483 A JP 2015100483A JP 2015100483 A JP2015100483 A JP 2015100483A JP 6096242 B2 JP6096242 B2 JP 6096242B2
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- 238000000034 method Methods 0.000 title claims description 18
- 206010019133 Hangover Diseases 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 10
- 230000006870 function Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006399 behavior Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Classifications
-
- 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
- G10L25/21—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 power information
-
- 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
- G10L25/84—Detection of presence or absence of voice signals for discriminating voice from noise
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- Engineering & Computer Science (AREA)
- Computational Linguistics (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)
- Telephone Function (AREA)
- Telephonic Communication Services (AREA)
- Circuits Of Receivers In General (AREA)
Description
if(snr_sum>thr1){
localVAD=1;
}
if(snr_sum>thr1&&vad_flag_he){
localVAD=1;
}
Claims (12)
- 受信した入力信号の音声区間をそれぞれ検出する、第1VADと少なくとも1つの第2VADとを含む音声区間検出器VADにおける方法であって、
前記第1VADが、
一次VAD判定を示す前記第1VADの一次音声区間検出部からの信号と、前記少なくとも1つの第2VADからの音声区間判定を示す前記少なくとも1つの第2VADからの少なくとも1つの信号とを受信するステップ(1101)と、
前記受信した信号同士を組み合わせて修正一次VAD判定を生成するステップ(1102)と、
前記修正一次VAD判定を、最終VADフラグを形成する前記第1VADのハングオーバ付加部に出力するステップ(1103)と、
を有し、
前記少なくとも1つの第2VADからの前記少なくとも1つの信号は、前記少なくとも1つの第2VADのハングオーバ付加部からのVADフラグを含み、
前記受信した信号同士を組み合わせるステップは、前記受信した信号間の論理積を含む論理演算により前記修正一次VAD判定を生成する
ことを特徴とする方法。 - 前記少なくとも1つの第2VADからの前記少なくとも1つの信号は、前記少なくとも1つの第2VADの一次音声区間検出部からの一次VAD判定を示す信号を更に含み、
前記論理演算は、
前記第1VADの前記一次VAD判定を示す信号と前記少なくとも1つの第2VADの前記一次VAD判定を示す信号との論理和と、
前記論理和と前記少なくとも1つの第2VADの前記ハングオーバ付加部からの前記VADフラグとの論理積と、
を含むことを特徴とする請求項1に記載の方法。 - 前記少なくとも1つの第2VADは単一のVADであることを特徴とする請求項1又は2に記載の方法。
- 前記少なくとも1つの第2VADは複数のVADであることを特徴とする請求項1又は2に記載の方法。
- 前記受信した信号同士を組み合わせるステップは、前記入力信号の特性に依存して前記論理演算を行うことを特徴とする請求項1乃至4のいずれか1項に記載の方法。
- 前記入力信号の特性は、推定された信号対雑音比及び背景特性の少なくとも一方を含むことを特徴とする請求項5に記載の方法。
- 受信した入力信号の音声区間を検出する音声区間検出器VADであって、
第1VADと、
少なくとも1つの第2VADと、
を含み、
前記第1VADは、
第1一次VAD判定を形成する第1一次音声区間検出部と、
前記第1一次VAD判定を修正して修正一次VAD判定(155)を生成する処理部と、
前記修正一次VAD判定にハングオーバを適用して最終VADフラグを形成する第1ハングオーバ付加部と、
を含み、
前記少なくとも1つの第2VADのそれぞれは、
第2一次VAD判定を形成する第2一次音声区間検出部と、
前記第2一次VAD判定にハングオーバを適用してVADフラグを形成する第2ハングオーバ付加部と、
前記第2ハングオーバ付加部により形成された前記VADフラグを前記処理部に出力する出力部と、
を含み、
前記処理部は、前記第1一次VAD判定と前記出力部から出力された前記VADフラグとを含む受信した信号間の論理積を含む論理演算により前記修正一次VAD判定を生成する
ことを特徴とするVAD。 - 前記出力部は、更に前記第2一次VAD判定を示す信号を前記処理部に出力し、
前記論理演算は、
前記第1一次VAD判定と前記第2一次VAD判定との論理和と、
前記論理和と前記第2ハングオーバ付加部からの前記VADフラグとの論理積と、
を含むことを特徴とする請求項7に記載のVAD。 - 前記少なくとも1つの第2VADは単一のVADであることを特徴とする請求項7又は8に記載のVAD。
- 前記少なくとも1つの第2VADは複数のVADであることを特徴とする請求項7又は8に記載のVAD。
- 前記処理部は、前記入力信号の特性に依存して前記論理演算を行うことを特徴とする請求項7乃至10のいずれか1項に記載のVAD。
- 前記入力信号の特性は、推定された信号対雑音比及び背景特性の少なくとも一方を含むことを特徴とする請求項11に記載のVAD。
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25296609P | 2009-10-19 | 2009-10-19 | |
US25285809P | 2009-10-19 | 2009-10-19 | |
US61/252,966 | 2009-10-19 | ||
US61/252,858 | 2009-10-19 | ||
US26258309P | 2009-11-19 | 2009-11-19 | |
US61/262,583 | 2009-11-19 | ||
US37681510P | 2010-08-25 | 2010-08-25 | |
US61/376,815 | 2010-08-25 |
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JP2012534144A Division JP5793500B2 (ja) | 2009-10-19 | 2010-10-18 | 音声区間検出器及び方法 |
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JP2015207002A JP2015207002A (ja) | 2015-11-19 |
JP6096242B2 true JP6096242B2 (ja) | 2017-03-15 |
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JP2012534144A Active JP5793500B2 (ja) | 2009-10-19 | 2010-10-18 | 音声区間検出器及び方法 |
JP2015100483A Active JP6096242B2 (ja) | 2009-10-19 | 2015-05-15 | 音声区間検出器及び方法 |
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Country Status (7)
Country | Link |
---|---|
US (3) | US9773511B2 (ja) |
EP (1) | EP2491549A4 (ja) |
JP (2) | JP5793500B2 (ja) |
KR (1) | KR20120091068A (ja) |
CN (2) | CN104485118A (ja) |
BR (1) | BR112012008671A2 (ja) |
WO (1) | WO2011049516A1 (ja) |
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-
2010
- 2010-10-18 EP EP20100825287 patent/EP2491549A4/en not_active Withdrawn
- 2010-10-18 KR KR1020127009104A patent/KR20120091068A/ko not_active Application Discontinuation
- 2010-10-18 CN CN201510006946.3A patent/CN104485118A/zh active Pending
- 2010-10-18 US US13/121,305 patent/US9773511B2/en active Active
- 2010-10-18 BR BR112012008671A patent/BR112012008671A2/pt not_active Application Discontinuation
- 2010-10-18 WO PCT/SE2010/051118 patent/WO2011049516A1/en active Application Filing
- 2010-10-18 CN CN2010800472318A patent/CN102576528A/zh active Pending
- 2010-10-18 JP JP2012534144A patent/JP5793500B2/ja active Active
-
2015
- 2015-05-15 JP JP2015100483A patent/JP6096242B2/ja active Active
-
2017
- 2017-08-18 US US15/680,432 patent/US9990938B2/en active Active
-
2018
- 2018-05-02 US US15/969,139 patent/US11361784B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US11361784B2 (en) | 2022-06-14 |
JP5793500B2 (ja) | 2015-10-14 |
US20180247661A1 (en) | 2018-08-30 |
US20170345446A1 (en) | 2017-11-30 |
KR20120091068A (ko) | 2012-08-17 |
EP2491549A1 (en) | 2012-08-29 |
US20110264449A1 (en) | 2011-10-27 |
WO2011049516A1 (en) | 2011-04-28 |
JP2015207002A (ja) | 2015-11-19 |
BR112012008671A2 (pt) | 2016-04-19 |
CN104485118A (zh) | 2015-04-01 |
US9773511B2 (en) | 2017-09-26 |
EP2491549A4 (en) | 2013-10-30 |
JP2013508744A (ja) | 2013-03-07 |
US9990938B2 (en) | 2018-06-05 |
CN102576528A (zh) | 2012-07-11 |
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