音響制御装置
JP7891896B2Active Publication Date: 2026-07-17DENSO TEN LTD
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- DENSO TEN LTD
- Filing Date
- 2022-10-11
- Publication Date
- 2026-07-17
AI Technical Summary
Benefits of technology
【0012】 本発明によれば、非対称R2Rスピーカにおいて、簡易な構成で精度良く振動をキャンセルすることができる。
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Abstract
To accurately cancel vibrations with a simple configuration in an asymmetric R2R speaker.SOLUTION: In an audio amplifier of an embodiment, based on a sound source signal, there are generated: a first drive signal to drive a first speaker; a second drive signal to drive a second speaker that is provided such that the back surface of the first speaker faces that of the second speaker and that has a physical property different from that of the first speaker, the phase of the second drive signal being an opposite phase of the first drive signal; and a third drive signal to drive a third speaker that is different from both the first speaker and the second speaker. In the audio amplifier, the first drive signal is transmitted to one channel associated with the first speaker, and a superimposed signal obtained by superimposing the second drive signal and the third drive signal is transmitted to one channel associated with both the second speaker and the third speaker.SELECTED DRAWING: Figure 3
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