http://www.dvdhometheateronline.com/player-dolby/
Dolby Digital vs Dolby TrueHD?
I'm thinking of upgrading my receiver to have the latest surround decoding. I have a BluRay and HDDVD player with Dolby TrueHD and/or DTS-HD. But i'm wanting to know if it's worth the money. Will I really hear the difference?
You may, and you may not. I'd bet you won't hear any significant improvement.
Despite what Miguel35 says -- and he is theoretically correct -- in practice results with lossy audio codecs can be indistinguishable from lossless. I hasten to add that I'm not saying they are in all cases, but they can be.
The whole point of the advanced codecs is that they are close to psychacoustically optimized ... that is they lose the part of the sound that the ear can't hear and keep all that the the ear can hear.
The result is that the vast majority of listeners (I'm not going to say "all") won't hear any appreciable difference between a properly mastered high bitrate Dolby Digital+ and PCM or Dolby TrueHD or DTS-HD track.
There are many out there that feel that because a spec is theoretically superior it must BE superior. Not true.
Read the article at the link ... it raises some very good points.
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