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Originally Posted by dasbin 5.1 DVD movies use lossy audio compression, so I'm not sure why this is a surprise.
Some are better than others. The production house can choose the bitrate and format.
Most people seem to prefer DTS over AC-3.
If it's very badly noticeable, though, something else might be going on. I've only noticed it briefly in a couple lower-bitrate scenes with rock music (cymbals are always the worst, it seems). Normal dialogue and SFX seem to do pretty well with compression. |
FWIW,
I'm listening in stereo (with cans) - maybe they use the same codec as with 5.1, I don't know...
In any case, I know the top end sounds mangled, and less than vibrant - more like an mp3 @ 96kbs (give or take a few loose bits)
Shame - I thought audio might actually sound better than CD, but sadly that's not the case here...