Hi everyone,
I was wondering what I needed to do to open a MKV file in procoder, I read somewhere it is possible to do but for the life of me I cant figure it out.
I have added details of the file im trying to convert.

Details:
Format : Matroska at 2 652 Kbps
Video #0 : AVC at 2 200 Kbps
Aspect : 720 x 400 (1.800) at 59.940 fps
Audio #0 : AC-3 at 448 Kbps
Infos : 6 channels, 48.0 KHz

Thanks for any help