Noise reduction processing method and device, electronic equipment, earphone and storage medium
A noise reduction processing and noise reduction technology, applied in the field of noise reduction, can solve the problems of insufficient stability of active noise reduction and noise reduction experience, and achieve the goal of improving user experience, improving noise reduction effect, and reducing snoring interference Effect
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[0023] In order to enable those skilled in the art to better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.
[0024] At present, most active noise cancellation (Active Noise Cancellation, ANC) headphones are based on a fixed active noise cancellation curve (Active Noise Cancellation Level Curve) by designing fixed active noise reduction parameters to eliminate external environmental noise. The technical principle is as follows: figure 1 As shown, after the microphone collects the external environmental noise, it is processed by the noise reduction circuit through the fixed noise reduction filter parameters, and an anti-phase signal is generated and broadcast through the speaker to offset the external environmental noise. After the fixed noise reduction filter parameters are adop...
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