JP5859600B2 - スピーチ取り込み及びスピーチレンダリング - Google Patents
スピーチ取り込み及びスピーチレンダリング Download PDFInfo
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- JP5859600B2 JP5859600B2 JP2014092257A JP2014092257A JP5859600B2 JP 5859600 B2 JP5859600 B2 JP 5859600B2 JP 2014092257 A JP2014092257 A JP 2014092257A JP 2014092257 A JP2014092257 A JP 2014092257A JP 5859600 B2 JP5859600 B2 JP 5859600B2
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- 238000009877 rendering Methods 0.000 title description 31
- 238000000605 extraction Methods 0.000 claims description 52
- 230000005236 sound signal Effects 0.000 claims description 31
- 230000003044 adaptive effect Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 238000004091 panning Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 240000005809 Prunus persica Species 0.000 description 1
- 235000006040 Prunus persica var persica Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
- H04S7/303—Tracking of listener position or orientation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Circuit For Audible Band Transducer (AREA)
- Telephone Function (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Telephonic Communication Services (AREA)
Description
−複数のサウンド信号を取り込むための複数のマイクロフォンを有する取り込み回路と、
−複数のサウンド信号から、個々の話者に対応する個々のスピーチ信号を各々が導き出す1又は複数の抽出回路と、
−1又は複数の抽出回路によって導き出された1又は複数のスピーチ信号を各々減じられた複数のサウンド信号から、1又は複数のアンビエント信号を導き出す残余抽出回路と、
−1又は複数のスピーチ信号及び1又は複数のアンビエント信号を送信する送信回路と、を有する。
−1又は複数のスピーチ信号及び1又は複数のアンビエント信号を受信する受信回路であって、各スピーチ信号はそれぞれ異なる話者に対応する、受信回路と、
−スピーチ信号がアンビエント信号と異なる方向から来るように知覚されるように、1又は複数のスピーチ信号及び1又は複数のアンビエント信号を空間的に再生するレンダリング回路と、
を有する。レンダリング側でアンビエント信号を再生することによって、「一緒にいる」感覚が生成される。2又はそれ以上のスピーチ信号が、互いに及びアンビエント信号と空間的に異なって再生される実施形態において、スピーチ了解度は、アンビエント信号の存在にもかかわらず維持され又は増大されさえする。
−1又は複数のスピーチ信号151乃至154及び1又は複数のアンビエント信号(信号束)131を受信する受信回路510であって、各スピーチ信号はそれぞれ異なる話者に対応する、受信回路510と、
−1又は複数のスピーチ信号が1又は複数のアンビエント信号と異なる方向から来るように知覚されるように、1又は複数のスピーチ信号151乃至154及び1又は複数のアンビエント信号(信号束)131を空間的に再生するレンダリング回路520と、
を有する。
Claims (8)
- 複数のサウンド信号を取り込むための複数のマイクロフォンを有する取り込み回路と、
前記複数のサウンド信号から、個々の話者に対応する個々のスピーチ信号を各々が導き出す1又は複数の抽出回路と、
前記複数のサウンド信号から、前記1又は複数の抽出回路によって導き出された1又は複数のスピーチ信号を各々減じることにより、1又は複数のアンビエント信号を導き出す残余抽出回路と、
前記1又は複数のスピーチ信号及び前記1又は複数のアンビエント信号を送信する送信回路とを有する、スピーチ取り込み装置。 - 前記スピーチ取り込み装置は、前記話者の1又は複数のロケーションを判定するオーディオビジュアルロケータを更に有し、
各抽出回路は、前記話者の個々の人のロケーションに方向付けられる、請求項1に記載のスピーチ取り込み装置。 - 前記送信回路は、更に、前記話者の1又は複数のロケーションを含む空間的な情報を送信する、請求項2に記載のスピーチ取り込み装置。
- 各抽出回路は、前記スピーチ信号を導き出すための一般化サイドローブキャンセラを有する、請求項1又は2に記載のスピーチ取り込み装置。
- 各抽出回路は、前記スピーチ信号において更なるノイズ低減を行うポストプロセッサ回路を更に有する、請求項1又は2に記載のスピーチ取り込み装置。
- 前記残余抽出回路は、前記1又は複数の抽出回路によって導き出された前記1又は複数のスピーチ信号を各々減じられた前記複数のサウンド信号から、1又は複数のアンビエント信号を導き出すマルチチャネル適応フィルタを更に有する、請求項1に記載のスピーチ取り込み装置。
- 前記マルチチャネル適応フィルタは、参照信号として、前記マイクロフォンの1つによって取り込まれたサウンド信号を入力するように結合される、請求項6に記載のスピーチ取り込み装置。
- 複数のサウンド信号を取り込むステップと、
前記複数のサウンド信号から、1又は複数の個々の話者に対応する1又は複数のスピーチ信号を導き出すステップと、
前記複数のサウンド信号から、前記1又は複数のスピーチ信号を各々減じることにより、1又は複数のアンビエント信号を導き出すステップと、
前記1又は複数のスピーチ信号及び前記1又は複数のアンビエント信号を送信するステップとを含む、スピーチ取り込み方法。
Applications Claiming Priority (2)
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EP08172683.8 | 2008-12-23 | ||
EP08172683 | 2008-12-23 |
Related Parent Applications (1)
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JP2011541699A Division JP5538425B2 (ja) | 2008-12-23 | 2009-12-17 | スピーチ取り込み及びスピーチレンダリング |
Publications (3)
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JP2014180008A JP2014180008A (ja) | 2014-09-25 |
JP2014180008A5 JP2014180008A5 (ja) | 2015-12-24 |
JP5859600B2 true JP5859600B2 (ja) | 2016-02-10 |
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JP2011541699A Active JP5538425B2 (ja) | 2008-12-23 | 2009-12-17 | スピーチ取り込み及びスピーチレンダリング |
JP2014092257A Active JP5859600B2 (ja) | 2008-12-23 | 2014-04-28 | スピーチ取り込み及びスピーチレンダリング |
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JP2011541699A Active JP5538425B2 (ja) | 2008-12-23 | 2009-12-17 | スピーチ取り込み及びスピーチレンダリング |
Country Status (6)
Country | Link |
---|---|
US (1) | US8781818B2 (ja) |
EP (1) | EP2382799A1 (ja) |
JP (2) | JP5538425B2 (ja) |
KR (1) | KR101648203B1 (ja) |
CN (1) | CN102265643B (ja) |
WO (1) | WO2010073193A1 (ja) |
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US9794721B2 (en) * | 2015-01-30 | 2017-10-17 | Dts, Inc. | System and method for capturing, encoding, distributing, and decoding immersive audio |
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-
2009
- 2009-12-17 JP JP2011541699A patent/JP5538425B2/ja active Active
- 2009-12-17 WO PCT/IB2009/055803 patent/WO2010073193A1/en active Application Filing
- 2009-12-17 EP EP09796466A patent/EP2382799A1/en not_active Ceased
- 2009-12-17 KR KR1020117017092A patent/KR101648203B1/ko active IP Right Grant
- 2009-12-17 CN CN200980152252.3A patent/CN102265643B/zh active Active
- 2009-12-17 US US13/141,710 patent/US8781818B2/en active Active
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2014
- 2014-04-28 JP JP2014092257A patent/JP5859600B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
US20110264450A1 (en) | 2011-10-27 |
EP2382799A1 (en) | 2011-11-02 |
KR20110099750A (ko) | 2011-09-08 |
CN102265643B (zh) | 2014-11-19 |
JP5538425B2 (ja) | 2014-07-02 |
US8781818B2 (en) | 2014-07-15 |
JP2012513701A (ja) | 2012-06-14 |
CN102265643A (zh) | 2011-11-30 |
KR101648203B1 (ko) | 2016-08-12 |
JP2014180008A (ja) | 2014-09-25 |
WO2010073193A1 (en) | 2010-07-01 |
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