JP6001248B2 - 音源検出装置 - Google Patents
音源検出装置 Download PDFInfo
- Publication number
- JP6001248B2 JP6001248B2 JP2011205322A JP2011205322A JP6001248B2 JP 6001248 B2 JP6001248 B2 JP 6001248B2 JP 2011205322 A JP2011205322 A JP 2011205322A JP 2011205322 A JP2011205322 A JP 2011205322A JP 6001248 B2 JP6001248 B2 JP 6001248B2
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- noise
- sound
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- 238000001514 detection method Methods 0.000 title claims description 137
- 238000000605 extraction Methods 0.000 claims description 85
- 230000001629 suppression Effects 0.000 claims description 61
- 238000012545 processing Methods 0.000 claims description 49
- 239000000284 extract Substances 0.000 claims description 9
- 230000005236 sound signal Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 description 41
- 239000006185 dispersion Substances 0.000 description 10
- 238000010276 construction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000011410 subtraction method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices
-
- 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
- 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
- G01S3/86—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 with means for eliminating undesired waves, e.g. disturbing noises
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Signal Processing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
Claims (5)
- 車両に搭載され、複数の集音器で集音された音の情報に基づいて所定の音源を検出する音源検出装置であって、
前記複数の集音器により集音された音信号から前記所定の音源以外から発せられた雑音を抽出する部分であって、前記車両の内部に存在する既知の雑音源に音の抽出方向を向けて前記雑音源からの雑音を抽出する雑音強調処理を実行する雑音抽出部と、
前記複数の集音器により集音された音信号から前記雑音抽出部により抽出された雑音の信号成分を抑制する雑音抑制部と、
前記雑音抑制部により雑音の信号成分が抑制された音の情報を用いて前記所定の音源の位置を検出する音源検出部と、を備え、
前記車両は、前記車両の車速を検出する車両状態検出部を備え、
前記雑音抽出部による雑音の抽出と、前記雑音抑制部による雑音の信号成分の抑制は、前記車両状態検出部により検出された車速が所定の閾値より大きい場合に実行され、前記閾値以下の場合には実行されない、音源検出装置。 - 前記雑音抽出部による雑音の抽出と、前記雑音抑制部による雑音の信号成分の抑制は、交互に行われる、請求項1に記載の音源検出装置。
- 前記雑音抽出部による雑音の抽出と、前記雑音抑制部による雑音の信号成分の抑制は、並行して行われる、請求項1に記載の音源検出装置。
- 前記車両は、前記車両の周辺環境を検出する周辺環境検出部を備え、
前記雑音抽出部は、前記周辺環境検出部により検出された周辺環境中に雑音源があるときに、前記雑音源から発せられた雑音を抽出する、請求項1〜3のいずれか1項に記載の音源検出装置。 - 前記車両は、前記車両の周辺の固定音源を検出する固定音源検出部を備え、
前記雑音抽出部は、前記固定音源検出部により検出された固定音源から発せられた雑音を抽出する、請求項1〜4のいずれか1項に記載の音源検出装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011205322A JP6001248B2 (ja) | 2011-09-20 | 2011-09-20 | 音源検出装置 |
CN201280045689.9A CN103930791B (zh) | 2011-09-20 | 2012-09-19 | 声源检测系统和声源检测方法 |
EP12788633.1A EP2758794B1 (en) | 2011-09-20 | 2012-09-19 | Sound source detecting system and sound source detecting method |
US14/346,060 US9299334B2 (en) | 2011-09-20 | 2012-09-19 | Sound source detecting system and sound source detecting method |
PCT/IB2012/001826 WO2013041942A1 (en) | 2011-09-20 | 2012-09-19 | Sound source detecting system and sound source detecting method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011205322A JP6001248B2 (ja) | 2011-09-20 | 2011-09-20 | 音源検出装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2013068434A JP2013068434A (ja) | 2013-04-18 |
JP2013068434A5 JP2013068434A5 (ja) | 2014-11-06 |
JP6001248B2 true JP6001248B2 (ja) | 2016-10-05 |
Family
ID=47216366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011205322A Expired - Fee Related JP6001248B2 (ja) | 2011-09-20 | 2011-09-20 | 音源検出装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9299334B2 (ja) |
EP (1) | EP2758794B1 (ja) |
JP (1) | JP6001248B2 (ja) |
CN (1) | CN103930791B (ja) |
WO (1) | WO2013041942A1 (ja) |
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JP5516455B2 (ja) * | 2011-02-23 | 2014-06-11 | トヨタ自動車株式会社 | 接近車両検出装置及び接近車両検出方法 |
JP6001248B2 (ja) * | 2011-09-20 | 2016-10-05 | トヨタ自動車株式会社 | 音源検出装置 |
JP5888414B2 (ja) * | 2012-05-25 | 2016-03-22 | トヨタ自動車株式会社 | 接近車両検出装置及び運転支援システム |
GB2514184B (en) | 2013-05-17 | 2016-05-04 | Canon Kk | Method for determining a direction of at least one sound source from an array of microphones |
US20160096475A1 (en) * | 2013-06-06 | 2016-04-07 | Douglas J. Wolfe | Light/audio component coordination |
US9713981B2 (en) * | 2013-07-11 | 2017-07-25 | Toyota Jidosha Kabushiki Kaisha | Object detection device and object detection method |
US9663031B2 (en) * | 2013-10-21 | 2017-05-30 | Harman International Industries, Inc. | Modifying an audio panorama to indicate the presence of danger or other events of interest |
JP6206271B2 (ja) * | 2014-03-17 | 2017-10-04 | 株式会社Jvcケンウッド | 雑音低減装置、雑音低減方法及び雑音低減プログラム |
WO2016029469A1 (en) * | 2014-08-29 | 2016-03-03 | SZ DJI Technology Co., Ltd. | An unmanned aerial vehicle (uav) for collecting audio data |
US10575117B2 (en) | 2014-12-08 | 2020-02-25 | Harman International Industries, Incorporated | Directional sound modification |
JP6550930B2 (ja) * | 2015-05-29 | 2019-07-31 | 日本電気株式会社 | アクティブソーナー装置及びその信号処理方法 |
KR101748497B1 (ko) * | 2015-11-11 | 2017-06-19 | 한동대학교 산학협력단 | 소리 정보에 이용하여 차량의 후방 좌우 옆 차선 영역을 감지하는 방법 및 이를 이용한 차량용 시스템 |
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KR101759143B1 (ko) * | 2016-03-10 | 2017-07-18 | 현대자동차주식회사 | 음향 추적 정보 제공 방법, 차량용 음향 추적 장치, 및 이를 포함하는 차량 |
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CN105979442B (zh) * | 2016-07-22 | 2019-12-03 | 北京地平线机器人技术研发有限公司 | 噪声抑制方法、装置和可移动设备 |
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CN106248196B (zh) * | 2016-08-31 | 2019-10-15 | 哈尔滨工业大学 | 一种微声探测分析装置及基于该装置的阵列音频信号处理方法 |
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CN106872945B (zh) * | 2017-04-19 | 2020-01-17 | 北京地平线信息技术有限公司 | 声源定位方法、装置和电子设备 |
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-
2011
- 2011-09-20 JP JP2011205322A patent/JP6001248B2/ja not_active Expired - Fee Related
-
2012
- 2012-09-19 WO PCT/IB2012/001826 patent/WO2013041942A1/en active Application Filing
- 2012-09-19 EP EP12788633.1A patent/EP2758794B1/en not_active Not-in-force
- 2012-09-19 US US14/346,060 patent/US9299334B2/en not_active Expired - Fee Related
- 2012-09-19 CN CN201280045689.9A patent/CN103930791B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2758794B1 (en) | 2015-11-04 |
EP2758794A1 (en) | 2014-07-30 |
JP2013068434A (ja) | 2013-04-18 |
CN103930791B (zh) | 2016-03-02 |
US9299334B2 (en) | 2016-03-29 |
WO2013041942A1 (en) | 2013-03-28 |
US20140241532A1 (en) | 2014-08-28 |
CN103930791A (zh) | 2014-07-16 |
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