2808 explained code solutions for 75 technologies


ffmpegHow to reduce background audio noise using afftdn


ffmpeg -i in.mp3 -af "afftdn=nr=10:nf=-30:tn=1" out.mp3ctrl + c
ffmpeg

name of the package to install

-i in.mp3

input MP3 file

-af

apply specified audio filter

afftdn

filter for denoising audio samples

nr=10

reduce noise by 10dB (tune this for better results)

nf=-30

use noise floor (level) as -30dB (tune this for better results)

tn=1

noise level will be tracked and gradually changed during processing

out.mp3

resulting file