Sonic Boom will represent one of the biggest visual refreshes for Sonic since his 1999 Dreamcast debut, and Sega has released a new 'Behind the scenes' video which details how this makeover came about.
The 10-minute clip features commentary from Sega and developers from Big Red Button, the studio handling the console versions of Sonic Boom.

http://www.computerandvideogames.com...tary-released/