On 01/12/2010 15:15, V G wrote: > On Wednesday, December 1, 2010, Olin Lathrop = wrote: >> See attached. > > My mistake. Forgot to mention that the microphone is USB based. The > filter needs to be through software unless I can make an active filter > with a PIC32 with USB host. You did mention it actually, I didn't notice first time.. Have you checked for Skype plugins? (I would think it unlikely they=20 don't have anything to deal with this kind of issue, but I may be wrong..) Also, Michaels suggestions looks like it might be workable.. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .