MTH PSA Announcements: Is it possible to change PSA sound file?

I believe you can change all the sounds that make up the psa file. You can use the adcm program to edit all the individual sounds and replace each of them with your desired sounds from another engines sound file.

http://www.silogic.com/trains/ADPCM.html

https://ogrforum.com/...e-for-another-engine

Example for horn, however the process is basically the same

https://www.youtube.com/watch?v=kQRVHTnYqtI

And if you are custom editing sound files, I found a cool wreck sequence clip- "Save the Chickens!!!!!" https://ogrforum.com/...unny-mth-sound-files