METHOD AND DEVICE FOR ELIMINATING BACKGROUND NOISE

摘要

A method for eliminating background noise may comprise a) detecting a characteristic value of an audio signal to obtain a characteristic signal reflecting a change trend of the audio signal; b) multiplying the characteristic signal and the audio signal to obtain a product signal; and c) 5 amplifying the product signal proportionally and outputting the amplified product signal. A device for eliminating background noise is also disclosed.