Here is an email I received from Surcode. Hello Mr. Knight, Unfortunately this is an issue within CS6. One workaround you can try is to select "Do not Trascode" under the export transcode settings menu. This disc will, however, not be able to be duplicated (I am assuming your attempting to author a Blu-ray disc through Adobe Encore). Your only other option is to purchase Blu-ray disc authoring software such as NetBlender. This software will allow you to author both an H.264 and Ac3 codec onto a Blu-ray disc.
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