JP2021190986A - 超音波レーダアレイ、障害物検出方法及びシステム - Google Patents
超音波レーダアレイ、障害物検出方法及びシステム Download PDFInfo
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- 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
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- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
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- G—PHYSICS
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- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
- G10K11/341—Circuits therefor
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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
- 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
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
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- 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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- B60R16/0373—Voice control
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- 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
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
- G10L2021/02166—Microphone arrays; Beamforming
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Abstract
Description
Claims (13)
- スマートバックミラによるピックアップの方法であって、
車内の画像を取得し、
前記車内の画像により車内の乗員の位置を確定し、
前記車内の乗員の位置に応じてマイクアレイのビームフォーミング方向を調整することを含む、方法。 - 前記の前記車内の画像により車内の乗員の位置を確定することは、
前記車内の画像により、車両における所定の位置に乗員がいるか否かを検出し、
前記所定の位置における乗員の検出結果に基づいて、前記車内の乗員の位置を取得することを含む、請求項1に記載の方法。 - 前記車内の乗員の位置に応じてマイクアレイのビームフォーミング方向を調整することは、
マイクアレイのうち前記車内の乗員の位置に対応するマイクを確定し、
確定されたマイクによりマイクアレイのビームフォーミング方向を調整し、マイクアレイのうち残りのマイクをクローズすることを含む、請求項1に記載の方法。 - 前記車内の乗員の位置に応じてマイクアレイのビームフォーミング方向を調整することは、
車内の乗員の音声信号を受信し、前記音声信号に対応する音源定位情報を取得し、
前記車内の乗員の位置に合わせて前記音源定位情報のうち不当の音源定位情報を除外し、除外後の音源定位情報に基づいてマイクアレイのビームフォーミング方向を調整することを含む、請求項1に記載の方法。 - 前記車内の乗員の位置に応じてマイクアレイのビームフォーミング方向を調整することの後に、
車両の走行状態に対応するタイミングの間隔を取得し、
前回に車内の画像を取得したタイミングから現在のタイミングまでの間隔が前記タイミングの間隔に達した場合に、車内の画像を取得するステップに移行して、繰り返して実行することをさらに含む、請求項1に記載の方法。 - スマートバックミラによるピックアップの装置であって、
車内の画像を取得する取得部と、
前記車内の画像により車内の乗員の位置を確定する確定部と、
前記車内の乗員の位置に応じてマイクアレイのビームフォーミング方向を調整する調整部と、
を備える、装置。 - 前記確定部は、前記車内の画像により車内の乗員の位置を確定する場合に、具体的に、
前記車内の画像により、車両における所定の位置に乗員がいるか否かを検出し、
前記所定の位置における乗員の検出結果に基づいて、前記車内の乗員の位置を取得することを実行する、請求項6に記載の装置。 - 前記調整部は、前記車内の乗員の位置に応じてマイクアレイのビームフォーミング方向を調整する場合に、具体的に、
マイクアレイのうち前記車内の乗員の位置に対応するマイクを確定し、
確定されたマイクによりマイクアレイのビームフォーミング方向を調整し、マイクアレイのうち残りのマイクをクローズすることを実行する、請求項6に記載の装置。 - 前記調整部は、前記車内の乗員の位置に応じてマイクアレイのビームフォーミング方向を調整する場合に、具体的に、
車内の乗員の音声信号を受信し、前記音声信号に対応する音源定位情報を取得し、
前記車内の乗員の位置に合わせて前記音源定位情報のうち不当の音源定位情報を除外し、除外後の音源定位情報に基づいてマイクアレイのビームフォーミング方向を調整することを実行する、請求項6に記載の装置。 - 前記調整部は、前記車内の乗員の位置に応じてマイクアレイのビームフォーミング方向を調整した後に、
車両の走行状態に対応するタイミングの間隔を取得し、
前回に車内の画像を取得したタイミングから現在のタイミングまでの間隔が前記タイミングの間隔に達した場合に、前記取得部により車内の画像を取得するステップに移行して、繰り返して実行することをさらに実行する、請求項6に記載の装置。 - 少なくとも一つのプロセッサと、
前記少なくとも一つのプロセッサに通信接続されるメモリと、を備え、
前記メモリに前記少なくとも一つのプロセッサに実行可能なコマンドが記憶され、前記コマンドが前記少なくとも一つのプロセッサにより実行されることにより、前記少なくとも一つのプロセッサが請求項1〜5の何れか一項に記載の方法を実行可能である電子デバイス。 - コンピュータコマンドを記憶する非一時的コンピュータ可読記憶媒体であって、
前記コンピュータコマンドが前記コンピュータに請求項1〜5の何れか一項に記載の方法を実行させる記憶媒体。 - コンピュータに請求項1〜5の何れか一項に記載の方法を実行させる、プログラム。
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CN115691490A (zh) * | 2022-10-09 | 2023-02-03 | 蔚来汽车科技(安徽)有限公司 | 动态切换音区的方法、语音交互方法、设备、介质及车辆 |
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US20210370836A1 (en) | 2021-12-02 |
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