Digital Delay / Looper / Visualizer

-- Digital Delay Example
-- @author Jeremy Brown
-- more dynamic audio and sound experiments: 
-- http://labs.makemachine.net/
-- This is a simple example of a digital delay / echo effect
-- w/ bmp syncing read more here: 
-- http://labs.makemachine.net/2010/07/echo/
-- u.i. elements are minimal comps by Keith Peters