
Image credit:. Some media players are used with Noise-cancelling headphones that use Active noise reduction to remove background noise. De-noise mode is an alternative to Active noise reduction. It provides for relatively noise-free listening to audio in a noisy environment. In this mode, audio intelligibility is improved due to selective gain reduction of the ambient noise. This method splits external signals into frequency components by "filterbank" according to the fuzhou rockchip mp3 of human perception ...