This is a summary of the best intro made by thx and dolby. Enjoy it.
THX and Dolby sound intro sound test
Dolby Digital True HD 7.1 - Spheres- Intro (HD 1080p)
Dolby Atmos surround sound technology
Dolby Digital Plus 7.1 Speaker Test
Dolby Headphone Test
[HD] Dolby Digital - Countdown Intro (With Download)
Dolby No Glasses 3D First Look - CES 2013
Read more about The Geek Mind.