When audio specs for 'Transformers' were announced, there was a collective sigh of disappointment from early adopters when High-Def-Digest learned that there would be no high-res audio tracks included on this disc. Given that this is such a flagship title for the studio, the decision was quite the head-scratcher.
Indeed, High-Def-Digest had the opportunity to attend a special 'Transformers' media event with Paramount late last week, and the question was asked almost immediately -- why no Dolby TrueHD or uncompressed PCM? The studio's answer was that due to space limitations on the disc, the decision was made to limit the audio to Dolby Digital-Plus 5.1 Surround only (here at 1.5mbps). Unfortunately, this confirms the long-held theory that the 30Gb capacity of an HD-30 dual-layer HD DVD disc has forced studios to choose between offering a robust supplements package (as they've done here) and the very best in audio quality.