In real life, many audio signals are noisy. Due to the influence of noise, the audio signals heard by people are not clear enough. In order to improve the clarity of audio signals, it is necessary to extract useful signals to achieve the purpose of denoising. An audio denoising mode is provided: a genetic algorithm is used to estimate the frequency of the current strongest interference noise, and then a notch is used for denoising. In objective tests, the ODG value increased by 0.469, indicating that the denoised speech is closer to the original noise-free speech. Comparing the audio waveforms before and after denoising, it can be seen that the denoising effect of this algorithm is very good.
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