> The Multi-user xtra is the way this is generally done.

I agree to that. I have done this before with 6 computers running a
presentation similar to yours simultaneously on 6 screens. I also think that
there is no better way to do it. I just want to "warn" you:

The accuracy of this kind of synchronization is fair but not perfect. Good
enough for most applications but in our case, it presented a major problem.
We had split lingo animations, projected in softedge (screens partly
overlapping) and what we were looking for was an accuracy of about one video
frame (1/30 sec.). Before you try that yourself: THIS IS NOT POSSIBLE. Not
repeatedly that is. Most transitions were of about 1 to 3 frames accurate,
but some delays were up to 5 frames. (1/5 sec). Which was noticeable in our
application. We tried the UDP protocol instead TCP/IP, we tried a different
approach with the serial interface using the excellent serial Xtra from
DirectXtras, but it still was impossible to synchronize the machines better
than that. I even think that the delays are Director's fault, not or not
only caused by the MUI communication. Director is simply not made for this.

If you find a way, TELL ME, until then I advise you to use the Multi User
Protocol, but see to it that your animations are not too demanding in terms
of synchronization.

Good luck!
Michael


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