Board Thread:Off-Topic Discussion/@comment-27324770-20160620210416/@comment-29714788-20160620233338

That's because you deleted the edited frq file. If you edited it you don't need to regenerate it.

Not all resamplers use frq files, some of them use their own. For example, moresampler uses llsm, TIPS uses pmk, tn_fnds doesn't use any pitch frequency files at all.