The code is open source, so you (or any reader) could do that.

Either replace

https://github.com/debugger22/github-audio/blob/e1170daa3a64...

with

https://developer.github.com/v3/activity/events/#list-events...

Or, do some filtering on

https://github.com/debugger22/github-audio/blob/e1170daa3a64...