There are three main culprits for dropped frames or jitters in a live stream. The most common is internet connection issues. High CPU usage can also cause problems with a live stream. Additionally, in rare cases schools have encountered a bug in Wirecast where the template gets corrupted and causes dropped frames and jitters.
High CPU Usage
We recommend CPU usage remain below 80% for most of the stream, short spikes of CPU usage over 80% are normal. If CPU usage is consistently over 80% for minutes at a time your stream can suffer because of it. To reduce the CPU usage see our article dedicated to reducing high CPU usage.
The error that causes dropped frames and jitters is very rare and usually occurs after upgrading from Wirecast 7 or older to Wirecast 9 or newer. Unfortunately the only available solution is to completely rebuild the Wirecast template. To do this quickly see our article dedicated to quickly rebuilding a Wirecast template.