Dolby Surround 5.1

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Recently I have noticed movies where the the sound mix is credited as "Dolby Surround 5.1" (for example "Hotel Artemis"). However, this is not available in the sound mix selections (there IS a "Dolby Surround 7.1" mix).
Does anybody know the technical background for this? Is this the same as "Dolby Digital"? Or is this actually a new sound format?


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Elwood Blues

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Posted 11 months ago

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Jeorj Euler

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Hi, Elwood Blues. I could be mistaken, but it would seem that the submission interfaces uses the term/moniker "Dolby Digital" to refer to "Dolby Surround 5.1". The IMDb Help article concerning this does not explain the question at hand, but maybe it ought.
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Elwood Blues

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Hi Jeorj, I'm not so sure since the term "Dolby Surround 5.1" is fairly new to me (I have seen this only on "Hotel Artemis" and "Proud Mary") and the article is rather old (it still refers to Dolby Digital as "The best quality Dolby can provide"). Additionally, I have not found any documentary or technical specification on this.
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Jeorj Euler

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Yeah, it is pretty outdated.
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Eboy

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I believe the correct way would be ”Dolby Digital 5.1”. The word ”surround” is not needed.

Usually ”Dolby Surround” refers to older matrix-encoded 2.0 tracks that were used before proper Dolby Digital 5.1 arrived.

https://en.m.wikipedia.org/wiki/Dolby...