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In Reply to: Ok, so it's intentional, but what's the reasoning behind it? posted by Michi on February 12, 2005 at 02:52:14:
... my guess is it's the default profile for music DVDs on the authoring tool in order to meet broadcasting standards (which are not applicable if these tracks are not accompanied by video).ironically, the reason broadcast standards specify peaks below 0dB is to avoid 0dBFS+ levels being generated. however, if the disc author was worried about 0dBFS+ the CD track should have been attenuated as well.
... it could also be incompetence.
actually, the more i think about it i think it's incompetence. one thing i've realised is that the people who author DVDs often don't really care about audio - i've heard some horror stories including PCM "accidentally" being encoded into MPEG2 and then decoded back into PCM as part of the authoring process. i actually have one music DVD where the left channel is peak limited to -3dB but the right channel is limited to -1dB and you can actually hear the difference in volume levels!!! what were they thinking???
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Follow Ups
- hard to say ... - Christine Tham 03:03:49 02/12/05 (1)
- As the 'engineer' in the quad forum said, - Michi 03:23:00 02/12/05 (0)
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