sounds good!.. lolI would split the recording and playing into separate libs.. (to keep things small for those that dont require that aspect)..very similar to the WaveHC and WaveRP libs..I'll have to read up more about this: dsPIC33FJ128GP802
ahh.. thats right.. you using another chip to do all the leg work (I forgot)..its just a PIC chip you are using?dsPIC33FJ128GP802?(havent googled it yet)
also are you focusing on making a SHIELD? or an 'all-in-one' type board? with Arduino/SD/Audio components all onboard?
for myself.. I needed a super small footprint, so I had to make everything SMD.. and merge the two boards so I dint have an Arduino & shield stacked on top....etc..alot of fun for me.. first time with stencil, solder paste, Eagle.. and a toaster oven! lol