JP5345638B2 - 瞬時ピークレベル管理とスピーチの清澄の改良方法 - Google Patents
瞬時ピークレベル管理とスピーチの清澄の改良方法 Download PDFInfo
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- JP5345638B2 JP5345638B2 JP2010545165A JP2010545165A JP5345638B2 JP 5345638 B2 JP5345638 B2 JP 5345638B2 JP 2010545165 A JP2010545165 A JP 2010545165A JP 2010545165 A JP2010545165 A JP 2010545165A JP 5345638 B2 JP5345638 B2 JP 5345638B2
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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
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
- G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
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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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Circuit For Audible Band Transducer (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measurement Of Current Or Voltage (AREA)
Description
Claims (9)
- スピーチ信号の清澄を改善する方法であって、
複数の入力スピーチ信号の波形振幅を連続的に測定するステップと、
少なくとも1つのゲイン値を、測定された前記複数の入力スピーチ信号の複数の波形振幅に所定のファクタだけあてがうステップと、
前記ゲイン値をあてがわれた複数の入力スピーチ信号の複数の波形振幅の複数のピーク値を予め計算された量だけ同時にクリッピングするステップであって、そうすることによりソフトな高周波無声のスピーチ成分を知覚的に増大させる、クリッピングするステップと、
を含む方法。 - 前記複数の入力スピーチ信号の波形振幅と波形振幅変化速度を連続的に測定するステップとを更に含む請求項1に記載の方法。
- 前記測定された波形振幅変化速度に応答して、前記クリッピングするステップのスピードを調節する、請求項2に記載の方法。
- 前記クリッピングするステップは、前記波形振幅変化速度が2.0ミリ秒より低い時は、瞬時に実行される、請求項3に記載の方法。
- 前記クリッピングするステップのスピードは、波形振幅変化速度が2.0ミリ秒より大きい時は、減少される、請求項3に記載の方法。
- 前記クリッピングステップのスピードは、波形振幅変化速度が2.0秒より大きい時は、更に減少される、請求項5に記載の方法。
- 前記あてがわれるゲイン値の範囲は、1dBから40dBである、請求項1に記載の方法。
- 前記複数の入力スピーチ信号はブロードバンド信号である、請求項1に記載の方法。
- 前記複数の入力スピーチ信号は多重周波数バンドセグメント信号である、請求項1に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2485808P | 2008-01-30 | 2008-01-30 | |
US61/024,858 | 2008-01-30 | ||
US12/361,508 | 2009-01-28 | ||
US12/361,508 US20090192793A1 (en) | 2008-01-30 | 2009-01-28 | Method for instantaneous peak level management and speech clarity enhancement |
PCT/US2009/032449 WO2009097437A1 (en) | 2008-01-30 | 2009-01-29 | Method for instantaneous peak level management and speech clarity enhancement |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011511964A JP2011511964A (ja) | 2011-04-14 |
JP5345638B2 true JP5345638B2 (ja) | 2013-11-20 |
Family
ID=40900108
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010545165A Expired - Fee Related JP5345638B2 (ja) | 2008-01-30 | 2009-01-29 | 瞬時ピークレベル管理とスピーチの清澄の改良方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20090192793A1 (ja) |
EP (1) | EP2235720A4 (ja) |
JP (1) | JP5345638B2 (ja) |
CN (1) | CN102144257A (ja) |
AU (1) | AU2009209090B2 (ja) |
CA (1) | CA2718968A1 (ja) |
NZ (1) | NZ587052A (ja) |
WO (1) | WO2009097437A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2011000145A (es) * | 2008-06-30 | 2011-09-06 | Able Planet Inc | Metodo y sistema para mejorar auditiva y conservacion auditiva. |
JP5331901B2 (ja) * | 2009-12-21 | 2013-10-30 | 富士通株式会社 | 音声制御装置 |
RU2568281C2 (ru) * | 2013-05-31 | 2015-11-20 | Александр Юрьевич Бредихин | Способ компенсации потери слуха в телефонной системе и в мобильном телефонном аппарате |
CN109979475A (zh) * | 2017-12-26 | 2019-07-05 | 深圳Tcl新技术有限公司 | 解决回声消除失效的方法、系统及存储介质 |
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JP2784514B2 (ja) * | 1986-04-03 | 1998-08-06 | モトローラ・インコーポレーテッド | レイリーフェーデッド受信信号に対するオーディオ応答を改善したfm受信機 |
JPS63203097A (ja) * | 1987-02-18 | 1988-08-22 | Nippon Telegr & Teleph Corp <Ntt> | テレビ会議システム |
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US5459814A (en) * | 1993-03-26 | 1995-10-17 | Hughes Aircraft Company | Voice activity detector for speech signals in variable background noise |
JPH07104788A (ja) * | 1993-10-06 | 1995-04-21 | Technol Res Assoc Of Medical & Welfare Apparatus | 音声強調処理装置 |
US5448646A (en) * | 1993-11-01 | 1995-09-05 | Unex Corporation | Headset interface assembly |
JPH08161704A (ja) * | 1994-12-07 | 1996-06-21 | Pioneer Electron Corp | 自動バイアス制御方法及び装置 |
US5631968A (en) * | 1995-06-06 | 1997-05-20 | Analog Devices, Inc. | Signal conditioning circuit for compressing audio signals |
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KR100213073B1 (ko) * | 1996-11-09 | 1999-08-02 | 윤종용 | 재생 오디오 신호의 주파수 특성 보상 장치 |
JPH10163775A (ja) * | 1996-12-02 | 1998-06-19 | Eiden Kk | リミッティングアンプ |
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2009
- 2009-01-28 US US12/361,508 patent/US20090192793A1/en not_active Abandoned
- 2009-01-29 CA CA2718968A patent/CA2718968A1/en not_active Abandoned
- 2009-01-29 EP EP09706215A patent/EP2235720A4/en not_active Ceased
- 2009-01-29 JP JP2010545165A patent/JP5345638B2/ja not_active Expired - Fee Related
- 2009-01-29 CN CN2009801037049A patent/CN102144257A/zh active Pending
- 2009-01-29 WO PCT/US2009/032449 patent/WO2009097437A1/en active Application Filing
- 2009-01-29 AU AU2009209090A patent/AU2009209090B2/en not_active Ceased
- 2009-01-29 NZ NZ587052A patent/NZ587052A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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CA2718968A1 (en) | 2009-08-06 |
US20090192793A1 (en) | 2009-07-30 |
AU2009209090A1 (en) | 2009-08-06 |
WO2009097437A1 (en) | 2009-08-06 |
NZ587052A (en) | 2013-04-26 |
JP2011511964A (ja) | 2011-04-14 |
AU2009209090B2 (en) | 2013-05-02 |
EP2235720A1 (en) | 2010-10-06 |
CN102144257A (zh) | 2011-08-03 |
EP2235720A4 (en) | 2012-01-25 |
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