Forget streaming live off the Internet, just give him the file and have him play that from the computer.
Thanks for the response, Jim.
Unfortunately, the whole goal is to make the file available for others to be able to view his sermons.
Maybe try YouTube. I find it to offer better quality than Vimeo.
(He should still be running from the computer instead of streaming for his service, though.)
I upload one 1/2 hr. sermons to both vimeo and youtube every week, and I have not seen this issue. I even use external audio.
I think you can use two different playback options inside vimeo, one as flash and one other (don't remember).
Do you have a link I could testvinside different browsers?