seanadams;215551 Wrote: > SACD players use DAC chips that accept both PCM and DSD inputs.
They may be the exception, but some players do seem to have a high resolution DSD>I2S stream coming from logic that probably decodes DVD-A and HDCD as well. > > Doesn't make sense to me. DSD and PCM are fundamentally different > encodings. You can't grab a DSD signal and send it over s/pdif without > mathematically converting the signal. I'm not sure exactly how that's > done, but it's more than just twiddling some bits. Wouldn't DVD-A be another fundamentally different stream, which has to be turned into something a DAC can understand? I would guess that it's so manufacturers of SACD players can buy the software to decode the DSD>PCM, just like they can for HDCD, and therefore wouldn't even need to buy any SACD chips/hardware. > > Agreed, that is no doubt the situation under DMCA. I don't think you > could convince a judge that you haven't circumvented the copy > protection on the grounds that you applied a different form of copy > protection (SCMS) to the converted signal. But lets say your player DOES do the conversion (as opposed to the referenced company who is obviously feeling guilty!), and you're only tapping an i2s stream. Since you don't have a DSD file on your HD, and never hacked the DSD encryption, it doesn't seem too far removed from the analog loophole to me. This came up at hydrogenaudio as well: http://www.hydrogenaudio.org/forums/index.php?showtopic=40627 -- Skunk ------------------------------------------------------------------------ Skunk's Profile: http://forums.slimdevices.com/member.php?userid=2685 View this thread: http://forums.slimdevices.com/showthread.php?t=36917 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/audiophiles
