Am 28.01.2021 um 09:44 schrieb Marco Mircoli:
Goodmorning everyone.
I'm new to ffmpeg and was wondering if anyone from the group could help me
set up a command line.
My goal is to improve voice audio recordings.
I would like to be able to do this starting from a command line I have in
my script, modifying it to add:
- 70HZ high pass filter
- expander / noise gate
- equalizer
- compressor
- exciter
- de-esser
- limiter
- loudnorm to r128 (there is already)
It would be nice to have all this just in one line, is it possible?
This is the string where I'm starting from.
$ shell = shell_exec ("$ ffmpeg_b -i $ audio_file_full_path -map 0: a: 0
-af loudnorm -b: a 96k $ audio_output_mp3 2> & 1");
yes, I think it's possible to do all this in one command line. All these
features must be added at the beginning of the audio filter chain,
that's between "-af" and "loudnorm". For example:
$ shell = shell_exec ("$ ffmpeg_b -i $ audio_file_full_path -map 0: a: 0
-af highpass=f=70,loudnorm -b: a 96k $ audio_output_mp3 2> & 1");
Michael
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