Technical details about retail discs, codecs, and the differences between JP/NA anime discs

One of the sites I frequent often is the Anime on DVD forums hosted by Mania (link above). The original creator of the forums tweeted something yesterday that gave me pause about a release I should get tomorow: the first Blu-Ray volume of K-On! by Bandai Enterainment. The text simply states that the audio for the BD is Dolby Digital 2.0 at 192kbps. So what does that mean and why were the forums so upset? Let’s delve into some technical details. Warning: this is going to be somewhat long and dry, but I hope it’s informative.

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