This is a summary of the best intro made by thx and dolby. Enjoy it.
THX and Dolby sound intro sound test
Dolby Atmos surround sound technology
Dolby Digital True HD 7.1 - Spheres- Intro (HD 1080p)
Dolby Digital Plus 7.1 Speaker Test
THX Test. 7.1 Dolby True HD
Dolby Headphone Test
Introducing the BT and Dolby partnership
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