[FFmpeg-user] Downmixing with low frequency channel

Marcin Czosnek czosnek.cebula.pietruszka at gmail.com
Fri May 30 10:16:24 CEST 2014


I want to downmix some 2.1, 3.1, 4.1, 5.1, 7.1 music samples to stereo.

I have used -ac 2 option but it discards LFE and I want to keep it. How
should I do it? should I use pan filter? How the formula should look like?

Thanks in advance,

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