Is there any audio quality difference on "Dubbed AC3" tracks on blu rays for sale? - AVS Forum
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Old 05-17-2012, 03:05 PM
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I've noticed for a while now when there are blu rays advertised at their sale price on places like, they denote a "Dubbed AC3" audio track. Does this differ from what would normally come on a blu ray disc you would pay $20 for opposed to $10? The notation is not stamped on all of the sale price blu rays, and I am having some trouble trying to find definitive answers on AVS, audioholics, or just your basic google search.
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Old 05-17-2012, 04:13 PM
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^^ It just means that besides the primary soundtrack, the disc also includes an alternate language track in AC-3 (Dolby Digital). It is the normal disc.

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Old 05-25-2012, 08:59 PM
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Most, if not all, Blu-ray discs come with either a lossless DTS-HD MA or TrueHD audio track. The AC3 track would be lossy audio and would be, theoretically, inferior in terms of sound quality to the lossless track.
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