AC-2


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AC-2

(Active Coding-2) Dolby's second digital audio coding technology based on an adaptive transform coding algorithm. Introduced in 1989, AC-2 reduced the storage capacity over AC-1. See AC-1 and AC-3.
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Drill hole AC-2 was drilled to a depth of 570 feet through a sequence of rhyolitic tuff and basalt with no evidence of any epithermal activity.