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Can a compressed digital format like Dolby Digital and DTS be improved on, audio quality wise, with a better DVD player/transport? Are the more expensive players like the Camelot Roundtable, Meridian and Krell's doing anything for these compressed formats? Or is the advantage of these players more centered around CDs and the Hi-Res formats?
Follow Ups:
I donīt know if they use the same algorithms or not, but surely their better power supplies, less jitter, etc, improve the sound a lot...The other day a bunch of guys from a local DVD forum brought their budget players to be compared in my sistem, and there where noticeable differences in quality even between their players, my Arcam FMJ DV27 was another league completely, using DD and DTS... The ones you mention are probably quite superior...
I have a DVD-A disc that I play using itīs DD 5.1 track, and it sounds better then most standard CDs, of course you have to adjust the surround channels, as they tend to be over emphasised...
Antonio Melo Ribeiro
Higher end Meridian processors upsamples these lossy format, along with what dmoeller17 said, which is to use custom decoding algorithm to create a better eveloping/steering sound.Also, Krell uses off the shelf decoder.
DD/dts use acoustic modeling to determine data to throwout before the signal is encoded in effort to save space, which is not good for music but in the home theater environment of dialog and explosions it seems to work. The system also uses variable bit levels to encode demanding sound at a higher temporary level. dts 24/96 encoding attempts to put 24 bits on the disc but suffers the same acoustic modeling to throwout data for space sake.
The mega buck players like meridian and i believe krell use their own decoding software as opposed to almost all mfg's that use someone elses (analog devices, motorola), so they could possible squeeze the most audio out of the DD/dts signal if better then the common used decoders. The high-rez formats are uncompressed and thus sound much better
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