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In Reply to: PCM versus DDTrue HD posted by Robertc88 on August 30, 2007 at 11:38:09:
In theory TrueHD decodes to PCM so there should be no difference because TrueHd is "theoretically" a lossless compression algorithm. In practice, there are those who have claimed to hear a difference. If there is a difference and the theory is correct, then something got botched in the implementation; either at the encoding or decoding end. I've personally not tried to A/B the two.
That's correct, optical will not support 6 channel uncompressed PCM. If it could, we wouldn't be worried about 5 channel analog bypass for DVD-A in years past. Heck, there are those who think 6 channel uncompressed PCM isn't all that well supported over HDMI because of "jitter" issues.
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Follow Ups
- RE: PCM versus DDTrue HD - oscar 15:00:16 08/30/07 (6)
- here's where they go their separate ways - Joe Murphy Jr 21:41:39 08/30/07 (5)
- So JI wasn't having some "auditory sensory mistracking" when he claims to have heard a difference ? - oscar 05:36:16 08/31/07 (4)
- that was funny - Joe Murphy Jr 20:02:14 08/31/07 (3)
- RE: that was funny - racerguy 18:39:32 09/01/07 (0)
- Not Sure Why There Is Both If They Are Equal - Robertc88 04:00:58 09/01/07 (1)
- But apparently they are not equal. - oscar 08:18:11 09/01/07 (0)
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