Theoretical basis of ANC technology: audio ANC automatic noise reduction

Publisher:灵感发电站Latest update time:2022-10-11 Source: elecfans Reading articles on mobile phones Scan QR code
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In the feedback ANC system, there is no sensor to measure the reference input signal. Only the residual noise after cancer is obtained by the error sensor and sent to the feedback controller, which further achieves the purpose of adjusting the secondary sound source y_ n$ so that the subtle noise is in opposite phase with the primary noise amplitude.

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Reference address:Theoretical basis of ANC technology: audio ANC automatic noise reduction

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