JP7572964B2 - 阻止機能を伴うビーム形成マイクロフォンローブの自動集束、領域内自動集束、および自動配置 - Google Patents
阻止機能を伴うビーム形成マイクロフォンローブの自動集束、領域内自動集束、および自動配置 Download PDFInfo
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- 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
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- H04R1/00—Details of transducers, loudspeakers or microphones
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- H—ELECTRICITY
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- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
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- H04R3/005—Circuits for transducers for combining the signals of two or more microphones
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Description
本出願は、2019年3月21日出願の米国仮特許出願第62/821,800号、2019年5月31日出願の米国仮特許出願第62/855,187号、および2020年2月7日出願の米国仮特許出願第62/971,648号の利益を主張する。各出願の内容が、全体として参照により本明細書に完全に組み込まれている。
Claims (30)
- 環境内のアレイマイクロフォンの複数のローブの非活動状態のローブが配備のために利用可能であるかどうかを判定することと、
前記非活動状態のローブが利用可能であると判定したとき、音声活動の場所データに基づいて、前記非活動状態のローブの位置を特定することと、
前記非活動状態のローブが利用可能でないと判定したとき、
前記複数の配備されたローブのうちの移動すべき1つを選択することと、
前記音声活動の前記場所データに基づいて、前記選択されている配備されたローブを再配置することと
を含む方法。 - 前記音声活動の前記場所データが、前記環境内の前記音声活動の座標を含む、請求項1に記載の方法。
- 前記複数の配備されたローブのうちの前記1つを選択することが、前記複数の配備されたローブに関連付けられたタイムスタンプに基づいて、前記複数の配備されたローブのうちの前記1つを選択することを含む、請求項1に記載の方法。
- 前記タイムスタンプが、前記音声活動の前記場所データを受信することに関連付けられた第1のタイムスタンプと、前記選択されている配備されたローブに関連付けられた第2のタイムスタンプとを含む、請求項3に記載の方法。
- 前記複数の配備されたローブのうちの前記1つを選択することが、前記複数の配備されたローブに関連付けられたメトリックに基づいて、前記複数の配備されたローブのうちの前記1つを選択することを含む、請求項1に記載の方法。
- 前記メトリックが、前記選択されている配備されたローブの信頼度スコアを含み、
前記信頼度スコアが、前記選択されている配備されたローブの場所の確実性または前記選択されている配備されたローブの音の品質のうちの1つまたは複数を示す、
請求項5に記載の方法。 - 前記音声活動の前記場所データに基づいて、前記複数のローブのうちの既存のローブが前記音声活動に近いかどうかを判定することと、
前記既存のローブが前記音声活動に近くないと判定したとき、前記非活動状態のローブが配備のために利用可能であるかどうかを判定する前記ステップ、前記非活動状態のローブの位置を特定する前記ステップ、前記複数のローブのうちの移動すべき前記1つを選択する前記ステップ、および前記選択されたローブを再配置する前記ステップを実行することと
をさらに含む、請求項1に記載の方法。 - 前記非活動状態のローブが、前記複数のローブのうち前記環境内の特有の座標に位置決めされていないローブ、前記複数のローブのうち配備されていないローブ、または前記複数のローブのうちメトリックに基づいて非活動状態にあるローブのうちの1つまたは複数である、請求項1に記載の方法。
- 前記複数の配備されたローブのうちの移動すべき前記1つを選択することが、(1)方位閾値に対する前記音声活動の前記座標の方位と前記選択されている配備されたローブの方位の差、または(2)仰角閾値に対する前記音声活動の前記座標の仰角と前記選択されている配備されたローブの仰角の差のうちの1つまたは複数に基づいている、請求項2に記載の方法。
- 前記複数の配備されたローブのうちの移動すべき前記1つを選択することが、前記アレイマイクロフォンから前記音声活動の前記座標までの距離に基づいている、請求項9に記載の方法。
- 前記アレイマイクロフォンから前記音声活動の前記座標までの前記距離に基づいて、前記方位閾値を設定することをさらに含む、請求項10に記載の方法。
- 前記複数の配備されたローブのうちの移動すべき前記1つを選択することが、(1)前記音声活動の前記座標の前記方位と前記選択されている配備されたローブの前記方位の前記差の絶対値が、前記方位閾値以下であるとき、ならびに(2)前記音声活動の前記座標の前記仰角と前記選択されている配備されたローブの前記仰角の前記差の絶対値が、前記仰角閾値より大きくないとき、前記選択されている配備されたローブを選択することを含む、請求項9に記載の方法。
- 前記音声活動の前記場所データを、前記選択されている配備されたローブの新しい場所としてデータベースに記憶することをさらに含む、請求項1に記載の方法。
- 遠端からリモート音声信号を受信することと、
前記リモート音声信号の活動量を検出することと、
前記リモート音声信号の前記活動量が所定の閾値を超過したとき、前記非活動状態のローブが利用可能であるかどうかを判定する前記ステップ、前記非活動状態のローブの位置を特定する前記ステップ、前記複数の配備されたローブのうちの前記1つを選択する前記ステップ、および前記選択されている配備されたローブを再配置する前記ステップの実行を阻止することと
をさらに含む、請求項1に記載の方法。 - 音を検出して音声信号を出力するように各々構成された複数のマイクロフォン要素と、
前記複数のマイクロフォン要素と通信しているビームフォーマであって、前記複数のマイクロフォン要素の前記音声信号に基づいて、1つまたは複数のビーム形成信号を生成するように構成され、前記1つまたは複数のビーム形成信号が、環境内の場所に各々位置決めされた1つまたは複数のローブに対応する、ビームフォーマと、
前記複数のマイクロフォン要素と通信している音声活動ローカライザであって、前記環境内の新しい音声活動の座標を判定するように構成された音声活動ローカライザと、
前記音声活動ローカライザおよび前記ビームフォーマと通信しているローブオートプレーサとを備え、前記ローブオートプレーサが、
前記新しい音声活動の前記座標を受信することと、
前記新しい音声活動の前記座標が既存のローブに近いかどうかを判定することであり、既存のローブが前記1つまたは複数のローブのうちの1つを含む、判定することと、
前記新しい音声活動の前記座標が前記既存のローブに近くないと判定したとき、
非活動状態のローブが利用可能であるかどうかを判定することと、
前記非活動状態のローブが利用可能であると判定したとき、前記非活動状態のローブを選択することと、
前記非活動状態のローブが利用可能でないと判定したとき、前記1つまたは複数のローブのうちの1つを選択することと、
前記新しい音声活動の前記座標を前記ビームフォーマへ伝送して、前記ビームフォーマに、前記選択されたローブの前記場所を前記新しい音声活動の前記座標に更新させることとを行うように構成される、
アレイマイクロフォンシステム。 - 前記非活動状態のローブが、前記環境内の特有の座標に位置決めされていない前記ビームフォーマのローブ、配備されていない前記ビームフォーマのローブ、またはメトリックに基づいて非活動状態にある前記ビームフォーマのローブのうちの1つまたは複数を含む、請求項15に記載のシステム。
- 前記ローブオートプレーサが、(1)方位閾値に対する前記新しい音声活動の前記座標の方位と前記既存のローブの前記場所の方位の差、または(2)仰角閾値に対する前記新しい音声活動の前記座標の仰角と前記既存のローブの前記場所の仰角の差のうちの1つまたは複数に基づいて、前記新しい音声活動の前記座標が前記既存のローブに近いかどうかを判定するように構成される、請求項15に記載のシステム。
- 前記ローブオートプレーサが、前記システムから前記新しい音声活動の前記座標までの距離に基づいて、前記新しい音声活動の前記座標が既存のローブに近いかどうかを判定するように構成される、請求項17に記載のシステム。
- 前記ローブオートプレーサが、前記システムから前記新しい音声活動の前記座標までの前記距離に基づいて、前記方位閾値を設定するようにさらに構成される、請求項18に記載のシステム。
- 前記ローブオートプレーサが、(1)前記新しい音声活動の前記座標の前記方位と前記既存のローブの前記場所の前記方位の前記差の絶対値が、前記方位閾値以下であるとき、ならびに(2)前記新しい音声活動の前記座標の前記仰角と前記既存のローブの前記場所の前記仰角の前記差の絶対値が、前記仰角閾値より大きくないとき、前記新しい音声活動の前記座標が前記既存のローブに近いと判定するように構成される、請求項17に記載のシステム。
- 前記ローブオートプレーサと通信しているデータベースをさらに備え、前記ローブオートプレーサが、前記新しい音声活動の前記座標を受信することに関連付けられた第1のタイムスタンプを前記データベースに記憶するようにさらに構成される、請求項15に記載のシステム。
- 前記ローブオートプレーサが、前記新しい音声活動の前記座標が前記既存のローブに近いと判定したとき、前記データベース内の前記既存のローブに関連付けられた第2のタイムスタンプを前記第1のタイムスタンプに更新するようにさらに構成される、請求項21に記載のシステム。
- 前記ローブオートプレーサが、前記新しい音声活動の前記座標が前記既存のローブに近くないと判定したとき、前記データベース内の前記選択されたローブに関連付けられた第3のタイムスタンプを前記第1のタイムスタンプに更新するようにさらに構成される、請求項21に記載のシステム。
- 前記ローブオートプレーサが、前記新しい音声活動の前記座標が前記既存のローブに近くないと判定したとき、および前記非活動状態のローブが利用可能でないと判定したとき、前記1つまたは複数のローブのうちの前記1つに関連付けられたタイムスタンプに基づいて、前記1つまたは複数のローブのうちの前記1つを選択するようにさらに構成される、請求項15に記載のシステム。
- 前記ローブオートプレーサが、前記新しい音声活動の前記座標が前記既存のローブに近くないと判定したとき、前記選択されたローブに関連付けられたメトリックを割り当てるようにさらに構成される、請求項15に記載のシステム。
- 前記ローブオートプレーサが、前記新しい音声活動の前記座標が前記既存のローブに近くないと判定したとき、および前記非活動状態のローブが利用可能でないと判定したとき、前記1つまたは複数のローブのうちの前記1つに関連付けられたメトリックに基づいて、前記1つまたは複数のローブのうちの前記1つを選択するようにさらに構成される、請求項15に記載のシステム。
- 前記メトリックが、前記選択されたローブの信頼度スコアを含み、
前記信頼度スコアが、前記選択されたローブの前記座標の確実性または前記選択されたローブの音の品質のうちの1つまたは複数を示す、
請求項25に記載のシステム。 - 前記ローブオートプレーサと通信しているデータベースをさらに備え、前記ローブオートプレーサが、前記新しい音声活動の前記座標が前記既存のローブに近くないと判定したとき、前記新しい音声活動の前記座標を、前記選択されたローブの前記新しい場所として記憶するようにさらに構成される、請求項15に記載のシステム。
- 遠端および前記ローブオートプレーサと通信している活動検出器をさらに備え、前記活動検出器が、
前記遠端からリモート音声信号を受信することと、
前記リモート音声信号の活動量を検出することと、
前記検出された活動量を前記ローブオートプレーサへ伝送することとを行うように構成され、
前記ローブオートプレーサが、
前記リモート音声信号の前記活動量が所定の閾値を超過したとき、前記ローブオートプレーサが、前記新しい音声活動の前記座標が前記既存のローブに近いかどうかを判定する前記ステップ、前記非活動状態のローブが利用可能であるかどうかを判定する前記ステップ、前記非活動状態のローブを選択する前記ステップ、前記1つまたは複数のローブのうちの1つを選択する前記ステップ、および前記新しい音声活動の前記座標を前記ビームフォーマへ伝送する前記ステップを実行することを阻止するようにさらに構成される、
請求項15に記載のシステム。 - 遠端および前記ローブオートプレーサと通信している活動検出器をさらに備え、前記活動検出器が、
前記遠端からリモート音声信号を受信することと、
前記リモート音声信号の活動量を検出することと、
前記リモート音声信号の前記活動量が所定の閾値を超過したとき、前記ローブオートプレーサへ信号を伝送して、前記ローブオートプレーサに、前記新しい音声活動の前記座標が前記既存のローブに近いかどうかを判定する前記ステップ、前記非活動状態のローブが利用可能であるかどうかを判定する前記ステップ、前記非活動状態のローブを選択する前記ステップ、前記1つまたは複数のローブのうちの1つを選択する前記ステップ、および前記新しい音声活動の前記座標を前記ビームフォーマへ伝送する前記ステップの実行を停止させることとを行うように構成される、
請求項15に記載のシステム。
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| Application Number | Priority Date | Filing Date | Title |
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| US201962821800P | 2019-03-21 | 2019-03-21 | |
| US62/821,800 | 2019-03-21 | ||
| US201962855187P | 2019-05-31 | 2019-05-31 | |
| US62/855,187 | 2019-05-31 | ||
| US202062971648P | 2020-02-07 | 2020-02-07 | |
| US62/971,648 | 2020-02-07 | ||
| PCT/US2020/024063 WO2020191380A1 (en) | 2019-03-21 | 2020-03-20 | Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition functionality |
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| JP2022526761A5 JP2022526761A5 (ja) | 2023-03-28 |
| JPWO2020191380A5 JPWO2020191380A5 (ja) | 2023-03-28 |
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| US9554207B2 (en) | 2015-04-30 | 2017-01-24 | Shure Acquisition Holdings, Inc. | Offset cartridge microphones |
| US9565493B2 (en) | 2015-04-30 | 2017-02-07 | Shure Acquisition Holdings, Inc. | Array microphone system and method of assembling the same |
| US10367948B2 (en) | 2017-01-13 | 2019-07-30 | Shure Acquisition Holdings, Inc. | Post-mixing acoustic echo cancellation systems and methods |
| EP3804356A1 (en) | 2018-06-01 | 2021-04-14 | Shure Acquisition Holdings, Inc. | Pattern-forming microphone array |
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| WO2020191380A1 (en) | 2020-09-24 |
| TW202044236A (zh) | 2020-12-01 |
| CN113841421A (zh) | 2021-12-24 |
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