SOX去除噪声wav

sox 2.wav -t null /dev/null trim 0 0.5 noiseprof myprofile

sox 2.wav 2-noisefree.wav noisered myprofile 0.26

https://github.com/drethage/speech-denoising-wavenet

http://www.jordipons.me/apps/speech-denoising-wavenet/

https://github.com/srikantpatnaik/noNoise   #这个韦峰的好像比较简单。搭配sox效果不错

http://www.bilibili.com/video/av8645431/

教程 http://www.zoharbabin.com/how-to-do-noise-reduction-using-ffmpeg-and-sox/