The "dual audio" component refers to a video file that contains at least two different audio tracks. This is particularly popular in regions where viewers prefer to watch Hollywood films in their native language while having the original English track as an option. For Indian audiences, for instance, "The Mummy" Blu-ray offers a DTS 5.1 audio track in Hindi alongside the original English. This allows for a personalized viewing experience, making the film more accessible without sacrificing audio quality.
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