It seems like increasing the bit rate solved the problem.
Hello @adrianlshaw, please copy your system information from Steam (Steam -> Help -> System Information) and put it in a gist, then include a link to the gist in this issue report.
Hello again @adrianlshaw, are you still experiencing this issue on an up to date system?
@kisak-valve you may close this issue. i've not experienced this recently.
Nothing extracted yet.
Your system information
System specs
Please describe your issue in as much detail as possible:
When watching a broadcast of someone's game, there is a lot of image distortion.
I've blurred the chat and contact for privacy.
Steps for reproducing this issue: