Ha, I'm glad I'm not the only one that struggles with this. The announcements on SWR are crazy. On a journey from Southampton to London yesterday, after every stop:
1- Automated 'Welcome aboard service to X calling at A, B, C etc.'
2- Manual announcement a few seconds later repeating all the information that was literally just announced. Why?
3- Automated 'see it say it sorted' announcement
4- Automated 'hold a valid ticket or you will be prosecuted' announcement
I don't get how someone thinks that's ok after each stop. The end result is, for my next journey, I'll end up putting my headphones on and drowning out everything. If there is a genuine, urgent safety message, I will miss it. If you're going to do (2), then don't play (1), or vice-versa.
It's interesting as London Northwestern run very similar trains, and tend to only do the automated announcements, and it's nowhere near annoying. If there's a manual one, I know to 'listen-up' as it's probably quite important.