One things that seems to have to come to light since the introduction of the DPP delivery spec at the start of October is just how badly folks understand the requirement for PSE (Photo Sensitive Epilepsy) with respect to TV deliverables. A lot of this is down to the fact that since the late '90s the industry has essentially had two standards - OFCOM and Harding.
snag the notes here - pay attention to p.12 to see why the important thing now is that the metadata of your AS-11 file needs to specify what algorithm was used and pass/fail.
For a (slightly noisy!) audio recording - download here.
For all the notes and test clips - Google Drive folder