Changing Audio on a DVD

Hello,

My hobby is motor racing, and I’ve got nearly very F1 race from 2005 to 1978 on DVD.

The problem is somtimes with very old races, you get different versions. One with good English audio, but rubbish picture quality, and another with great picture quality, but with foreign commentary (Usually German).

My question is this, is there a way of combining two DVD’s onto one, with the good picture quality, and the English commentary?

The DVD’s would have been copied from tape using a set-top DVD recorder, and have just two (Stereo) audio channels.

Many thanks for your help.

Regards,

Darren

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