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3D Sound Test : https://youtu.be/7ATlZIyflf0

5.1 Surround Test "The Helicopter" : https://youtu.be/BDtVmf-t80A
Dolby Amaze Theatrical Sound Trailer : https://youtu.be/FkWEPjZUaGg

Dolby 7.1 Surround Demo : https://youtu.be/uJT6AxWZCZQ

Dolby True HD Test : https://youtu.be/FPe-KVI223M