THX Vs. Dolby (Audio)
http://www.lockergnome.com /media/2011/08/22/what-do-different-thx-home-theater-certifications-mean/
THX and Dolby are both leaders in the audio space, and often we see THX and Dolby logos on equipment. So which should you get? Well they don't do the same thing, but here is what you need to know.