[Freeswitch-users] Any info on mod_sndfile? what is it used for? It is not documented although it is large !

Hello guys, I am trying to minimize the footprint of FreeSWITCH runtime and remove un-needed modules and their libs. This modules is not mentioned any where and not much on the web. Could u please provide more info on what functionalities it provides? I'm planning to use FreeSWITCH for only SIP/sofia and Jingle/gtalk. Thanks,