*** Solved?***
I still don't know why it's creating all these markers. If I figure it out I'll add the details. But today when I tried again to convert transients to midi, I checked the box in settings to make the velocities dependent on the amplitude of the transients (I thought I did that yesterday too). All the extra transients DID make a midi note, but it's velocity is ZERO!!! It's not nice to look at, but it does work. The newest post in this thread offers a tip worth looking into, but I wonder if it's a bug that results whe you 1- "delete silence", 2- "bounce to clips" all the little clips thus created, then 3- enable ausiosnap on this clip.
(here starts the original post)
i deleted everything but the actual tom hits in a tom track and then bounced all the little clips to a single clip. When i turned on audiosnap, transient markers appeared for every eighth note of the project regardless of the threshold setting and regardless of the content of the clip. The actual wave transients did get recognized, but the "silence" is filled with evenly spaced markers that show up when I export as midi. ???