JPWO2019012587A1 - ゲイン調整装置、遠隔会話装置、ゲイン調整方法、およびゲイン調整プログラム - Google Patents
ゲイン調整装置、遠隔会話装置、ゲイン調整方法、およびゲイン調整プログラム Download PDFInfo
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- JPWO2019012587A1 JPWO2019012587A1 JP2019529340A JP2019529340A JPWO2019012587A1 JP WO2019012587 A1 JPWO2019012587 A1 JP WO2019012587A1 JP 2019529340 A JP2019529340 A JP 2019529340A JP 2019529340 A JP2019529340 A JP 2019529340A JP WO2019012587 A1 JPWO2019012587 A1 JP WO2019012587A1
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- microphone
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- 238000000034 method Methods 0.000 title claims description 4
- 230000005236 sound signal Effects 0.000 claims abstract description 26
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims description 39
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 12
- 230000035945 sensitivity Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010365 information processing 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
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
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- 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
- 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
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/326—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for microphones
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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
- H04R5/00—Stereophonic arrangements
- H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
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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
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- General Health & Medical Sciences (AREA)
- Circuit For Audible Band Transducer (AREA)
- Telephone Function (AREA)
- Telephonic Communication Services (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Description
第1実施形態のゲイン調整装置は、レベル調整器と、センサと、設定部と、を備えている。レベル調整器は、マイクで取得した音声信号のレベルを調整する。センサは、距離に応じて変化する物理量を測定する。設定部は、前記センサの測定結果に応じて、前記レベル調整器のゲインを設定する。
第2実施形態の音声処理システムは、ネットワークを介して接続される、送信装置(音声処理装置1B)および受信装置(音声処理装置3)を備えている。送信装置は、マイクと、センサと、音圧測定部と、送信部(I/F11)と、を備えている。センサは、距離に応じて変化する物理量を測定する。音圧測定部は、マイクの入力音圧レベルを測定する。送信部は、前記センサの測定結果と、前記音圧測定部の測定結果と、を送信する。受信装置は、受信部(I/F11)と、出力音圧レベル調整部と、を備えている。受信部は、前記センサの測定結果と、前記音圧測定部の測定結果と、を受信する。出力音圧レベル調整部は、スピーカの出力音圧レベルを調整する。
1B,3…音声処理装置
2…ネットワーク
11…I/F
12…CPU
13…RAM
14…メモリ
15…マイク
15A…マイク
15B…マイク
16…スピーカ
17…センサ
50…筐体
62…特公昭
91…ユーザ
92…ユーザ
121…設定部
122…レベル調整器
123…計算部
124…バンドパスフィルタ
Claims (10)
- マイクで取得した音声信号のレベルを調整するレベル調整器と、
距離に応じて変化する物理量を測定するセンサと、
前記センサの測定結果に応じて、前記レベル調整器のゲインを設定する設定部と、
を備えたゲイン調整装置。 - 前記物理量は、前記マイクと音源との距離に応じて変化する、
請求項1に記載のゲイン調整装置。 - 前記センサは、
複数のマイクと、
前記物理量として、前記複数のマイクにおけるレベル比を計算する計算部と、
を備えた請求項1または請求項2に記載のゲイン調整装置。 - 前記計算部に入力する信号の所定帯域を抽出するフィルタ部を備えた、
請求項3に記載のゲイン調整装置。 - 前記センサは、電磁波を送信し、前記電磁波の送信から受信までの時間差を、前記物理量として計算する計算部、
を備えた請求項1または請求項2に記載のゲイン調整装置。 - 前記センサは、カメラと、
前記カメラで撮影した画像の大きさを、前記物理量として計算する計算部と、
を備えた請求項1または請求項2に記載のゲイン調整装置。 - 前記設定部は、前記物理量に応じて非線形に前記ゲインを設定する、
請求項1乃至請求項5のいずれかに記載のゲイン調整装置。 - 請求項1乃至請求項7のいずれかに記載のゲイン調整装置と、
スピーカと、
を備えた遠隔会話装置。 - 距離に応じて変化する物理量を測定し、
前記センサの測定結果に応じて、マイクで取得した音声信号のレベルを調整する、
ゲイン調整方法。 - 信号処理装置に、
距離に応じて変化する物理量を測定し、
前記センサの測定結果に応じて、マイクで取得した音声信号のレベルを調整する、
処理を実行させるゲイン調整プログラム。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/025163 WO2019012587A1 (ja) | 2017-07-10 | 2017-07-10 | ゲイン調整装置、遠隔会話装置、ゲイン調整方法、およびゲイン調整プログラム |
Publications (1)
Publication Number | Publication Date |
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JPWO2019012587A1 true JPWO2019012587A1 (ja) | 2020-08-13 |
Family
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JP2019529340A Pending JPWO2019012587A1 (ja) | 2017-07-10 | 2017-07-10 | ゲイン調整装置、遠隔会話装置、ゲイン調整方法、およびゲイン調整プログラム |
Country Status (3)
Country | Link |
---|---|
US (1) | US10893358B2 (ja) |
JP (1) | JPWO2019012587A1 (ja) |
WO (1) | WO2019012587A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4165864A4 (en) * | 2020-06-10 | 2024-03-20 | Qualcomm Inc | AUDIO AMPLIFICATION SELECTION |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62149295A (ja) * | 1985-12-23 | 1987-07-03 | Canon Inc | 録音可能なカメラ |
JPS63262577A (ja) * | 1987-04-20 | 1988-10-28 | Sony Corp | マイクロホン装置 |
US20140112483A1 (en) * | 2012-10-24 | 2014-04-24 | Alcatel-Lucent Usa Inc. | Distance-based automatic gain control and proximity-effect compensation |
JP2014216787A (ja) * | 2013-04-24 | 2014-11-17 | パナソニック株式会社 | 会議端末装置及び増幅率登録方法 |
WO2017073324A1 (ja) * | 2015-10-26 | 2017-05-04 | ソニー株式会社 | 信号処理装置、信号処理方法、並びにプログラム |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5684013A (en) | 1979-12-12 | 1981-07-09 | Matsushita Electric Ind Co Ltd | Automatic level regulator for sound signal |
JPH071959B2 (ja) * | 1986-09-26 | 1995-01-11 | 松下電器産業株式会社 | 収音装置 |
JP3863323B2 (ja) | 1999-08-03 | 2006-12-27 | 富士通株式会社 | マイクロホンアレイ装置 |
US6853850B2 (en) * | 2000-12-04 | 2005-02-08 | Mobigence, Inc. | Automatic speaker volume and microphone gain control in a portable handheld radiotelephone with proximity sensors |
JP4247002B2 (ja) * | 2003-01-22 | 2009-04-02 | 富士通株式会社 | マイクロホンアレイを用いた話者距離検出装置及び方法並びに当該装置を用いた音声入出力装置 |
US20090010453A1 (en) * | 2007-07-02 | 2009-01-08 | Motorola, Inc. | Intelligent gradient noise reduction system |
JP5197458B2 (ja) * | 2009-03-25 | 2013-05-15 | 株式会社東芝 | 受音信号処理装置、方法およびプログラム |
JP5079761B2 (ja) * | 2009-09-01 | 2012-11-21 | 日本電信電話株式会社 | 直間比推定装置、音源距離測定装置、雑音除去装置、各装置の方法と、装置プログラム |
KR20110047852A (ko) * | 2009-10-30 | 2011-05-09 | 삼성전자주식회사 | 동작 환경에 적응 가능한 음원녹음장치 및 그 방법 |
JP5834948B2 (ja) * | 2012-01-24 | 2015-12-24 | 富士通株式会社 | 残響抑制装置、残響抑制方法及び残響抑制用コンピュータプログラム |
US20130202130A1 (en) * | 2012-02-03 | 2013-08-08 | Motorola Mobility, Inc. | Motion Based Compensation of Uplinked Audio |
-
2017
- 2017-07-10 JP JP2019529340A patent/JPWO2019012587A1/ja active Pending
- 2017-07-10 WO PCT/JP2017/025163 patent/WO2019012587A1/ja active Application Filing
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2019
- 2019-12-11 US US16/710,355 patent/US10893358B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62149295A (ja) * | 1985-12-23 | 1987-07-03 | Canon Inc | 録音可能なカメラ |
JPS63262577A (ja) * | 1987-04-20 | 1988-10-28 | Sony Corp | マイクロホン装置 |
US20140112483A1 (en) * | 2012-10-24 | 2014-04-24 | Alcatel-Lucent Usa Inc. | Distance-based automatic gain control and proximity-effect compensation |
JP2014216787A (ja) * | 2013-04-24 | 2014-11-17 | パナソニック株式会社 | 会議端末装置及び増幅率登録方法 |
WO2017073324A1 (ja) * | 2015-10-26 | 2017-05-04 | ソニー株式会社 | 信号処理装置、信号処理方法、並びにプログラム |
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US20200120420A1 (en) | 2020-04-16 |
WO2019012587A1 (ja) | 2019-01-17 |
US10893358B2 (en) | 2021-01-12 |
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