Pittsburgh Digital founder and CEO Michael Mecca gives a demonstration of the a/mi2812 at the TI Developers Conference.

Based on the flash-based TMS320F2812 150MIPS 32-bit DSP, the a/mi2812 DSP module is the first complete DSP development platform designed specifically for audio/ musical instrument engineering. 

A wide variety of interface options makes this board the optimal tool for musical product development. You can plug into its ¼"  jacks, and play the a/mi2812 right out of the box. Connect your digital gear directly to the a/mi2812 optical S/PDIF. User interface connections are provided for real-time analog control. I/O connections for switches, LEDs, and MIDI are all right at your fingertips. The a/mi2812 also has a
Texas Instruments High Performance Analog standard daughter card interface, should you decide to customize your analog hardware.

Read more about the a/mi2812 DSP module here.