JPWO2013076843A1 - 音源検出装置 - Google Patents
音源検出装置 Download PDFInfo
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- JPWO2013076843A1 JPWO2013076843A1 JP2013545717A JP2013545717A JPWO2013076843A1 JP WO2013076843 A1 JPWO2013076843 A1 JP WO2013076843A1 JP 2013545717 A JP2013545717 A JP 2013545717A JP 2013545717 A JP2013545717 A JP 2013545717A JP WO2013076843 A1 JPWO2013076843 A1 JP WO2013076843A1
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- sound
- autocorrelation
- microphone
- sound source
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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
- H04R29/00—Monitoring arrangements; Testing arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
- G01S3/802—Systems for determining direction or deviation from predetermined direction
- G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
- G01S3/8083—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems determining direction of source
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
Unit]、ROM[Read Only Memory]、RAM[Random Access Memory]等からなる電子制御ユニットであり、接近車両検出装置1を統括制御する。ECU21には、第1A/D変換部21a、第2A/D変換部21b、第1自己相関算出部21c、第2自己相関算出部21d、相互相関算出部21e、車両検出部21fが構成される。そして、ECU21では、フレーム毎に(一定時間毎に)、2個のマイクロホン11,12から各音声信号をそれぞれ入力し、各音声信号を用いて各処理部21a,21b,21c,21d,21e,21fでの各処理を行う。
Claims (4)
- 集音した音に基づいて検出対象の音源を検出する音源検出装置であって、
少なくとも1個の集音器と、
前記集音器で時系列に集音された音の自己相関を算出する自己相関算出手段と、
前記自己相関算出手段で算出した自己相関に基づいて検出対象の音源が存在するか否かを判定する判定手段と、
を備えることを特徴とする音源検出装置。 - 前記集音器は、2個以上であり、
前記自己相関算出手段は、前記集音器毎に自己相関をそれぞれ算出し、
前記判定手段は、前記自己相関算出手段で算出した2個以上の集音器で集音した音の自己相関が所定の条件を満たすか否かを判定することを特徴とする請求項1に記載の音源検出装置。 - 前記2個以上の集音器で時系列に集音された各音の相互相関を算出する相互相関算出手段と、
前記相互相関算出手段で算出した相互相関に基づいて検出対象の音源の位置を特定する特定手段と、
を備えることを特徴とする請求項2に記載の音源検出装置。 - 前記自己相関算出手段で算出した2個以上の集音器で集音した音の自己相関の変動を比較することによって集音器の故障を判定する故障判定手段を備えることを特徴とする請求項2又は請求項3に記載の音源検出装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2011/077066 WO2013076843A1 (ja) | 2011-11-24 | 2011-11-24 | 音源検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2013076843A1 true JPWO2013076843A1 (ja) | 2015-04-27 |
JP5862679B2 JP5862679B2 (ja) | 2016-02-16 |
Family
ID=48469321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013545717A Active JP5862679B2 (ja) | 2011-11-24 | 2011-11-24 | 音源検出装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9277339B2 (ja) |
EP (1) | EP2784532A4 (ja) |
JP (1) | JP5862679B2 (ja) |
CN (1) | CN103988090A (ja) |
RU (1) | RU2576339C2 (ja) |
WO (1) | WO2013076843A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104967726B (zh) * | 2015-04-30 | 2018-03-23 | 努比亚技术有限公司 | 语音指令处理方法和装置、移动终端 |
CN104908645A (zh) * | 2015-06-08 | 2015-09-16 | 上海斐讯数据通信技术有限公司 | 一种行车辅助驾驶系统及其工作方法 |
KR102468148B1 (ko) * | 2016-02-19 | 2022-11-21 | 삼성전자주식회사 | 전자 장치 및 전자 장치의 음성 및 잡음 분류 방법 |
KR101748276B1 (ko) * | 2016-03-10 | 2017-06-16 | 현대자동차주식회사 | 음향 추적 정보 제공 방법, 차량용 음향 추적 장치, 및 이를 포함하는 차량 |
KR101759143B1 (ko) * | 2016-03-10 | 2017-07-18 | 현대자동차주식회사 | 음향 추적 정보 제공 방법, 차량용 음향 추적 장치, 및 이를 포함하는 차량 |
DE102016213807A1 (de) * | 2016-07-27 | 2018-02-01 | Robert Bosch Gmbh | Konzept zum Überwachen eines Parkplatzes für Kraftfahrzeuge |
CN106340305B (zh) * | 2016-11-04 | 2024-03-19 | 北京声智科技有限公司 | 自校准的远场语音交互设备及远场语音自校准方法 |
US10334360B2 (en) * | 2017-06-12 | 2019-06-25 | Revolabs, Inc | Method for accurately calculating the direction of arrival of sound at a microphone array |
US11565365B2 (en) * | 2017-11-13 | 2023-01-31 | Taiwan Semiconductor Manufacturing Co., Ltd. | System and method for monitoring chemical mechanical polishing |
JP2019164106A (ja) * | 2018-03-20 | 2019-09-26 | 本田技研工業株式会社 | 異音検出装置および検出方法 |
JP2019164107A (ja) * | 2018-03-20 | 2019-09-26 | 本田技研工業株式会社 | 異音判定装置および判定方法 |
US10755727B1 (en) * | 2018-09-25 | 2020-08-25 | Amazon Technologies, Inc. | Directional speech separation |
CN111929489B (zh) * | 2020-08-18 | 2021-12-28 | 电子科技大学 | 故障电弧电流的检测方法及系统 |
Citations (9)
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JPS4997651A (ja) * | 1972-11-22 | 1974-09-14 | ||
JPH04235371A (ja) * | 1991-01-10 | 1992-08-24 | Oki Electric Ind Co Ltd | センサ異常監視・検出方法 |
JPH0592767U (ja) * | 1992-05-18 | 1993-12-17 | 株式会社豊田中央研究所 | 接近車両認識装置 |
JPH06175676A (ja) * | 1992-12-09 | 1994-06-24 | Nec Eng Ltd | 音声検出器 |
JPH07168599A (ja) * | 1993-12-14 | 1995-07-04 | Olympus Optical Co Ltd | 音声記録再生装置 |
JP2003044098A (ja) * | 2001-07-26 | 2003-02-14 | Nec Corp | 音声帯域拡張装置及び音声帯域拡張方法 |
JP2004212145A (ja) * | 2002-12-27 | 2004-07-29 | Riken Corp | ガスセンサの診断装置 |
WO2009044509A1 (ja) * | 2007-10-01 | 2009-04-09 | Panasonic Corporation | 音源方向検知装置 |
JP2011242343A (ja) * | 2010-05-20 | 2011-12-01 | Panasonic Corp | 車両方向特定装置、車両方向特定方法、及びそのプログラム |
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JPS60151522A (ja) | 1984-01-19 | 1985-08-09 | Nissan Motor Co Ltd | トンネル検出装置 |
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JPH03242576A (ja) * | 1990-02-20 | 1991-10-29 | Nec Corp | 水中音源判別方式 |
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-
2011
- 2011-11-24 CN CN201180075081.6A patent/CN103988090A/zh active Pending
- 2011-11-24 EP EP11876219.4A patent/EP2784532A4/en not_active Withdrawn
- 2011-11-24 JP JP2013545717A patent/JP5862679B2/ja active Active
- 2011-11-24 US US14/360,564 patent/US9277339B2/en active Active
- 2011-11-24 WO PCT/JP2011/077066 patent/WO2013076843A1/ja active Application Filing
- 2011-11-24 RU RU2014125417/28A patent/RU2576339C2/ru active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS4997651A (ja) * | 1972-11-22 | 1974-09-14 | ||
JPH04235371A (ja) * | 1991-01-10 | 1992-08-24 | Oki Electric Ind Co Ltd | センサ異常監視・検出方法 |
JPH0592767U (ja) * | 1992-05-18 | 1993-12-17 | 株式会社豊田中央研究所 | 接近車両認識装置 |
JPH06175676A (ja) * | 1992-12-09 | 1994-06-24 | Nec Eng Ltd | 音声検出器 |
JPH07168599A (ja) * | 1993-12-14 | 1995-07-04 | Olympus Optical Co Ltd | 音声記録再生装置 |
JP2003044098A (ja) * | 2001-07-26 | 2003-02-14 | Nec Corp | 音声帯域拡張装置及び音声帯域拡張方法 |
JP2004212145A (ja) * | 2002-12-27 | 2004-07-29 | Riken Corp | ガスセンサの診断装置 |
WO2009044509A1 (ja) * | 2007-10-01 | 2009-04-09 | Panasonic Corporation | 音源方向検知装置 |
JP2011242343A (ja) * | 2010-05-20 | 2011-12-01 | Panasonic Corp | 車両方向特定装置、車両方向特定方法、及びそのプログラム |
Also Published As
Publication number | Publication date |
---|---|
US9277339B2 (en) | 2016-03-01 |
RU2014125417A (ru) | 2015-12-27 |
WO2013076843A1 (ja) | 2013-05-30 |
RU2576339C2 (ru) | 2016-02-27 |
JP5862679B2 (ja) | 2016-02-16 |
US20140369509A1 (en) | 2014-12-18 |
EP2784532A4 (en) | 2015-10-28 |
EP2784532A1 (en) | 2014-10-01 |
CN103988090A (zh) | 2014-08-13 |
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