[FFmpeg-user] audio noise filtering

Ricardo Kleemann ricardo at americasnet.com
Tue Mar 8 04:51:48 CET 2016


I know almost nothing about audio filtering, and I wanted to better
understand more about it. I would like to filter out some low level
hum/noise from an mp4 file (h264/aac) and I understand there are different
types of filters, for example, a noise gate.

Can someone provide me with different configurations (command line syntax)
for noise filtering that I can experiment on the mp4 file and see the

If it helps, the video is a recording from a church service (kind of like
an auditorium type location), and I was looking for ways to enhance the

Any help is appreciated


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