Sort of AM radio quality then. That can amount to quite a bit of memory in 15 seconds. More than you could store in a 256 kilobit eeprom, even compressed. And higher quality than the ISD chips provide. Maybe store it in an SD card? Cheerful regards, Bob On Wed, 16 Jul 2008 13:36:07 -0700 (PDT), "threewheeler7" said: > i know that was way to vague, i have a fine line between price and > quality, > somewhere around 22khz would be ideal but i just don't know enough about > the > technology to have a grasp of what is possible(or, economical i should > say). -- http://www.fastmail.fm - Access your email from home and the web -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist