How to produce a Blu-Ray Premaster incl. AACS The Blu-Ray Disc production and , respecitvely, the making of a Blu-Ray Disc starts with the so-called premastering.This Process is immediately followed by the authoring.Authoring means the assembly of all videos,sound tracks and subtitles etc. The premastering of a BD is much more complex as that of a DVD. In total, the making of a disc comprises four working steps to be explained as follows. First of all, for the making of a Blu-Ray Disc the uncoded files are imported into a special processing software. The data images are generally available in formats like BDCMF(Blu-ray disc cutting master format) or sometimes also as a sony-cmf. The imported file is copied and provided with a temporary AACS-key.
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