By Katie Marsal
With an influx of Dolby Digital enhanced HD content making its way to the iTunes store, and subsequently Apple TV, Apple is reportedly working on an update to QuickTime that will improve support for 5.1 channel audio.
People familiar with the matter say the Cupertino-based electronics maker tapped its vast developer community on Tuesday to begin testing versions of QuickTime 7.6 for Windows, as well as both Mac OS X 10.4 Tiger and Mac OS X 10.5 Leopard.
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