Forum Discussion
TheEndless
15 years agoChannel Surfer
"kbenson" wrote:
Isn't that the purpose of specifying multiple bitrates for the video, so Roku can automatically determine the best one based on the available bandwidth?
In this particular case, we're talking about transfer rates on a closed local network where live transcoding of multiple streams is not realistic. In our testing, we've seen mixed results on both wired and wireless interfaces , but the results over wireless have been the most inconsistent across devices. By all rights, a 4.5-5 mbit/s stream shouldn't struggle over a healthy wireless G network, but in most cases we're seeing excessive buffering that isn't present over wired. The same stream plays fine over wireless from one computer to another (with high enough transfer rates to eliminate buffer size as an issue), so the bottleneck does not appear to be the network itself. Our goal is to eliminate (or at least mitigate) any end user confusion that may be caused by offering higher bitrates than the network interface can support. If Roku can provide some hard numbers on that, then that will give us a solid reference point to work from.
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