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In Reply to: DVD player v.s. CD only posted by tubeconvert on March 19, 2004 at 06:01:32:
Most DVD players use the video bitstream to transmit CD PCM sound. It is a matter of cost convenience much like the sharing of power supplies in a receiver but not necessarily the best to bring out the advantages of a CD. Something like the Linn Unidisk, a very expensive universal player, actually has separate clocks for each format.
Follow Ups:
How can this be so? All the DVD players I have owned have separate audio and vido connections - to the TV, and to the audio receiver. And in the case of DVD-Audio 6 separate wires to the receiver.
what HighEndWire means is that most DVD players use an audio clock that's derived from the video clock. this apparently results in video frequency artefacts present in the audio signal.i'm not sure that these artefacts are audible though. my dvd player sounds fine playing cds to me.
Yes - that's what I meant - thanks. I think, but could be wrong, is that it uses a 48k clock vs. 44.1k. One can always add an outboard DAC too if the sound is not satisfactory. In the main system, I don't use my DVD-V/DVD-A player to play CDs as I have several things on hand, incl. a Modwright XA-777ES, Pioneer Elite CD recorder and a Micromega DAC and any of those put any of my 3 DVD players I have at the moment for playing CDs.
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