Although there was no reply (I guess I'm a little impatient) I got a responce to the same question on Warp My Mind, and it seem that as long as I can hear what is said it should not be a problem! I'm going to try the weight loss files first, and if they work for me then I'll try the ones that are supposed ot unlock the mind and some of the abilites. ...more on this as it happens...