ffmpegHow to reduce background audio noise using afftdn
ffmpeg -i in.mp3 -af "afftdn=nr=10:nf=-30:tn=1" out.mp3ctrl + cffmpegname of the package to install | -i in.mp3input MP3 file |
-afapply specified audio filter | afftdnfilter for denoising audio samples |
nr=10reduce noise by 10dB (tune this for better results) | nf=-30use noise floor (level) as -30dB (tune this for better results) |
tn=1noise level will be tracked and gradually changed during processing | out.mp3resulting file |
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