I recorded a broadcast on ustream, and then downloaded the .flv file of it. It played fine in my desktop flash player, but when I uploaded it to a video site, the visual and audio were significantly out-of-synch. I also converted the downloaded .flv to .wmv and the .wmv was again way out-of-synch/audio latency. Can you please tell me why, possibly? Are your ustream have .flv proprietary code or something? Any guess would be very helpful. Any advice/solution will be greatly appreciated, as to why this is happening. Thanks.
Try to convert flv to mp4, then you can play flv on apple devices like ipod, ipad, iphone, applt tv etc.