For high quality live streaming an average upload speed of 2Mbps is required.
If the network upload speed is around 300kbps broadcasting will be limited to 3~5fps with low quality sound.
This example live stream on Ustream (Akihabara Live Camera*) is being broadcast at 2Mbps.
*Akihabara Live Camera has been broadcast via LiveWedge since Aug. 2015.
