Dolby Digital

This surround sound is also known as 5.1 channel surround sound and also commonly referred to as “AC-3.” This is one of many surround sounds created by Dolby Laboratories (AKA: Dolby Labs; Dolby).

This was a major milestone when this was created because it took Dolby Pro-Logic to a whole new level and is still considered to be the industry standard as a minimum surround sound used in all modern films despite being created in 1992.

What you need for this:

The official speaker setup guide can be found here.

For more information on this surround sound click here.


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