It's a sound library for LokProgrammer 4.4.24 or newer. You can also install this collection of sounds if you want to add further whistles, horns, bells, station announcements or other sounds to the sound projects offered by ESU.
The LokSound Template Pack includes most of the ESU sounds in an easy to use manner.
v1.7 [Sep 21, 2015]
May include unspecified updates, enhancements, or bug fixes.
