I don't know about vinyl to DVD-A, but i can tell you that vinyl to redbook CD produces a copy that is noticeably inferior to the original. Having said that, the vinyl to burned redbook disc typically still sounds superior to buying the same pre-recorded disc off the shelf.
This is one of the reasons why i've refused to duplicate my vinyl collection on CD, as i can burn the vinyl onto CD and come out both cheaper and with better results. Having said that, i simply don't know how long burned copies last as compared to store-bought versions, so we'll have to wait and see.
I would have to assume that the higher sampling frequency and bit rate would drastically improve things, especially if one were actually to achieve ( at least ) a full 20 bits worth of data. Most 24 bit machines don't actually operate at capacity due to internal losses and noise.
I do have one question about this though. How do you propose to play a burned DVD-A in a typical car stereo installation or portable radio? Sean
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