Misophonia videos can be viewed here and they come from a variety of sources. This section of the website also contains sound files of white noise, pink noise and Brownian noise in the form of mp3 files. These noise files can be used to mask unwanted environmental sounds. In addition, some of these sound files can be used in meditation; the goal being stress management.
Here is a sample video (contains possible trigger sounds):
Why Does The Sound of Chewing Make Some People Panic?