JP5249431B2 - 信号経路を分離する方法及び電気喉頭を使用して音声を改良するための使用方法 - Google Patents
信号経路を分離する方法及び電気喉頭を使用して音声を改良するための使用方法 Download PDFInfo
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- JP5249431B2 JP5249431B2 JP2011548504A JP2011548504A JP5249431B2 JP 5249431 B2 JP5249431 B2 JP 5249431B2 JP 2011548504 A JP2011548504 A JP 2011548504A JP 2011548504 A JP2011548504 A JP 2011548504A JP 5249431 B2 JP5249431 B2 JP 5249431B2
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- 238000000034 method Methods 0.000 title claims description 42
- 210000000867 larynx Anatomy 0.000 title description 2
- 230000005236 sound signal Effects 0.000 claims description 25
- 238000001914 filtration Methods 0.000 claims description 13
- 230000009466 transformation Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000001131 transforming effect Effects 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 description 14
- 239000000243 solution Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 210000000214 mouth Anatomy 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000000241 respiratory effect Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- 230000002829 reductive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000000844 transformation Methods 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
- G10L21/0316—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
- 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
-
- 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)
- Human Computer Interaction (AREA)
- Quality & Reliability (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Telephone Function (AREA)
- Prostheses (AREA)
Description
a)時間領域から離散周波数領域へ単一チャネル音声信号を転送(Ueberfuehren)することによって前記単一チャネル音声信号を一連の周波数チャネルに分割する工程;
b)各周波数チャネルにおいてハイパスフィルタ又はノッチフィルタを用いてELの変調周波数をフィルタ処理して除去(Herausfiltern)する工程;
c)周波数領域から時間領域にフィルタ処理音声信号を逆変換し、そして、それを単一チャネル出力信号に結合する工程;
を含む導入部に記載されるタイプの方法によって達成される。
図1は、ELの使用及び生ずる信号経路の単純化した表現を模式的に示す。
図2は、本発明の方法を用いた状態の単純化した表現を模式的に示す。
図3は、本発明の方法の機能的ブロック図を模式的に示す。
S(w,t)=x(w)H(w,t)+x(w)F(w)
Claims (5)
- デジタル化された音声信号を用いて電気喉頭(EL)話者の音声品質を向上させる方法であって、以下の工程:
a)時間領域から離散周波数領域へ単一チャネル音声信号を転送することによって、前記単一チャネル音声信号を一連の周波数チャネルに分割する工程;
b)各周波数チャネルにおいてハイパスフィルタ又はノッチフィルタを用いてELの変調周波数をフィルタ処理して除去する工程;及び
c)フィルタ処理音声信号を周波数領域から時間領域に逆変換し、そして、それを単一チャネル出力信号に結合する工程;
を特徴とする、前記方法。 - 工程a)の音声信号の転送をフーリエ変換によって行い、そして、工程c)の逆変換を逆フーリエ変換によって行うことを特徴とする、請求項1に記載の方法。
- 工程a)の音声信号の転送及び工程c)の逆変換を対応するフィルタバンクを用いて行うことを特徴とする、請求項1に記載の方法。
- 信号圧縮を工程b)のフィルタ処理の前に行い、そして、復元を工程b)の後に行うことを特徴とする、請求項1〜3のいずれか一項に記載の方法。
- 負信号成分の調整を工程c)の逆変換の前に行うことを特徴とする、請求項1〜4のいずれか一項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA193/2009 | 2009-02-04 | ||
AT0019309A AT507844B1 (de) | 2009-02-04 | 2009-02-04 | Methode zur trennung von signalpfaden und anwendung auf die verbesserung von sprache mit elektro-larynx |
PCT/AT2010/000032 WO2010088709A1 (de) | 2009-02-04 | 2010-02-01 | Methode zur trennung von signalpfaden und anwendung auf die verbesserung von sprache mit elektro-larynx |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012517031A JP2012517031A (ja) | 2012-07-26 |
JP2012517031A5 JP2012517031A5 (ja) | 2013-04-11 |
JP5249431B2 true JP5249431B2 (ja) | 2013-07-31 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011548504A Expired - Fee Related JP5249431B2 (ja) | 2009-02-04 | 2010-02-01 | 信号経路を分離する方法及び電気喉頭を使用して音声を改良するための使用方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US20120004906A1 (ja) |
EP (1) | EP2394271B1 (ja) |
JP (1) | JP5249431B2 (ja) |
CN (1) | CN102341853B (ja) |
AT (1) | AT507844B1 (ja) |
CA (1) | CA2749617C (ja) |
DK (1) | DK2394271T3 (ja) |
ES (1) | ES2628521T3 (ja) |
PT (1) | PT2394271T (ja) |
WO (1) | WO2010088709A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105310806B (zh) * | 2014-08-01 | 2017-08-25 | 北京航空航天大学 | 具有语音转换功能的电子人工喉系统及其语音转换方法 |
JP7291896B2 (ja) * | 2019-09-24 | 2023-06-16 | パナソニックIpマネジメント株式会社 | レシピ出力方法、レシピ出力システム |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
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US3746789A (en) * | 1971-10-20 | 1973-07-17 | E Alcivar | Tissue conduction microphone utilized to activate a voice operated switch |
US3872250A (en) * | 1973-02-28 | 1975-03-18 | David C Coulter | Method and system for speech compression |
US4139732A (en) * | 1975-01-24 | 1979-02-13 | Larynogograph Limited | Apparatus for speech pattern derivation |
US4343969A (en) * | 1978-10-02 | 1982-08-10 | Trans-Data Associates | Apparatus and method for articulatory speech recognition |
JPH03228097A (ja) * | 1989-12-22 | 1991-10-09 | Bridgestone Corp | 振動制御装置 |
US5171930A (en) * | 1990-09-26 | 1992-12-15 | Synchro Voice Inc. | Electroglottograph-driven controller for a MIDI-compatible electronic music synthesizer device |
JPH08265891A (ja) * | 1993-01-28 | 1996-10-11 | Tatsu Ifukube | 電気人工喉頭 |
JP3451022B2 (ja) * | 1998-09-17 | 2003-09-29 | 松下電器産業株式会社 | 拡声音の明瞭度改善方法及び装置 |
US20050004604A1 (en) * | 1999-03-23 | 2005-01-06 | Jerry Liebler | Artificial larynx using coherent processing to remove stimulus artifacts |
US6359988B1 (en) | 1999-09-03 | 2002-03-19 | Trustees Of Boston University | Process for introduce realistic pitch variation in artificial larynx speech |
JP2001086583A (ja) * | 1999-09-09 | 2001-03-30 | Sentan Kagaku Gijutsu Incubation Center:Kk | 代用原音発生器とその制御方法 |
US6975984B2 (en) | 2000-02-08 | 2005-12-13 | Speech Technology And Applied Research Corporation | Electrolaryngeal speech enhancement for telephony |
US7708697B2 (en) | 2000-04-20 | 2010-05-04 | Pulmosonix Pty Ltd | Method and apparatus for determining conditions of biological tissues |
US7191134B2 (en) * | 2002-03-25 | 2007-03-13 | Nunally Patrick O'neal | Audio psychological stress indicator alteration method and apparatus |
CA2399159A1 (en) * | 2002-08-16 | 2004-02-16 | Dspfactory Ltd. | Convergence improvement for oversampled subband adaptive filters |
JP2007501957A (ja) * | 2003-08-11 | 2007-02-01 | ファクルテ ポリテクニーク デ モン | 共振周波数を推定するための方法 |
US20050281412A1 (en) * | 2004-06-16 | 2005-12-22 | Hillman Robert E | Voice prosthesis with neural interface |
JP4568826B2 (ja) * | 2005-09-08 | 2010-10-27 | 株式会社国際電気通信基礎技術研究所 | 声門閉鎖区間検出装置および声門閉鎖区間検出プログラム |
CN100576320C (zh) * | 2007-03-27 | 2009-12-30 | 西安交通大学 | 一种自动电子喉的电子喉语音增强系统与控制方法 |
JP4327241B2 (ja) * | 2007-10-01 | 2009-09-09 | パナソニック株式会社 | 音声強調装置および音声強調方法 |
-
2009
- 2009-02-04 AT AT0019309A patent/AT507844B1/de not_active IP Right Cessation
-
2010
- 2010-02-01 EP EP10708882.5A patent/EP2394271B1/de not_active Not-in-force
- 2010-02-01 CN CN201080010113.XA patent/CN102341853B/zh not_active Expired - Fee Related
- 2010-02-01 DK DK10708882.5T patent/DK2394271T3/en active
- 2010-02-01 CA CA2749617A patent/CA2749617C/en not_active Expired - Fee Related
- 2010-02-01 ES ES10708882.5T patent/ES2628521T3/es active Active
- 2010-02-01 PT PT107088825T patent/PT2394271T/pt unknown
- 2010-02-01 JP JP2011548504A patent/JP5249431B2/ja not_active Expired - Fee Related
- 2010-02-01 WO PCT/AT2010/000032 patent/WO2010088709A1/de active Application Filing
- 2010-02-01 US US13/147,893 patent/US20120004906A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2012517031A (ja) | 2012-07-26 |
US20120004906A1 (en) | 2012-01-05 |
AT507844A1 (de) | 2010-08-15 |
CN102341853A (zh) | 2012-02-01 |
CN102341853B (zh) | 2014-06-04 |
EP2394271B1 (de) | 2017-03-22 |
ES2628521T3 (es) | 2017-08-03 |
DK2394271T3 (en) | 2017-07-10 |
PT2394271T (pt) | 2017-04-26 |
EP2394271A1 (de) | 2011-12-14 |
AT507844B1 (de) | 2010-11-15 |
CA2749617C (en) | 2016-11-01 |
CA2749617A1 (en) | 2010-08-12 |
WO2010088709A1 (de) | 2010-08-12 |
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