@musicproject I have added a delay to the start of the speech video. It is adjustable, but I think the delay of the audio is because (as always) the editor added 2 seconds of silence to the beginning when the audio was stripped from the video........they do that so that there is a pause between tracks......assuming that you are going to press a cd...... old world technology bleeds into the modern world.
I will write in explanations of what I have done and why to the patch....... but its time for bed and my daughters birthday tomorrow...... so probably on Sunday. Post what you finish up using back to me (not the av files) and I will annotate that as you might have changed something.
The first time it runs the videos it is out of sync. Restarting them puts them in sync. The audio files you have were stripped out at 44100Hz which means that they will not play at the right speed on your machine, and so will drift out, but every video restart will resync the beginning of the tracks.
It might be possible to do a fake start at loadbang so that when you press the start button they have already started once........ and so could be in sync.