How to keep two audio tracks of DVD in MKV (x264)

[maass]

Hello all,
one of my DVDs have two audio tracks AC3 and DTS.
i am encoding the DVD to x264 using XVID4PSP.
i want to keep two tracks im my mkv file..

please someone suggest a method to keep both.

thanks

[Baldrick]

I don't think it's possible directly in xvid4psp. You can demux one track(under audio->demux) and add it to the mkv using mkvtoolnix.

Or use Handbrake, under Audio & Subtitles can you add more audio tracks.