re: Audio Video streaming using Flash Communication Serve
Your exactly right Flash is a great solution to use for Video streaming because of the wide browser support. I couldn't make out your question on the end of your post. Are you looking for Video Compression software, tools or tips or Are you looking for ways the author using Flash Communications server?
Here's what you wrote:
However I am sure that we do not some 3rd party applications like Flix Engine http://flix.on2.com/ and similar tools.