Disklavier

If the artist is offered in both CD and diskette formats, which one 
would be better for the Disklavier Mark III?  For example:

http://www.pianodisc.com/emusic/choose_item.asp?
ref_no=124&category=New+Age


--- In disklavier@yahoogroups.com, "Mark A. Fontana" <mfontana@f...> 
wrote:
> 
> 
> On Sat, 7 May 2005, Bob Coate wrote:
> 
> > Does anyone know why the Mark III Disklavier will play the piano 
part
> > on some PianoDisc CDs (www.pianodisc.com), but not others? ...
> >
> > Is there any solution to make these discs play?  A setting that 
can
> > be changed, or some way of extracting and converting the piano 
music
> > data? ...
> >
> > I realize of course that these discs are not really intended for
> > playback on the Yamaha pianos, but was just wondering if anyone 
had
> > discovered the secrets to making them work.
> 
> 
> It is no accident that the Disklavier can play PianoDisc CDs... 
these
> discs have a completely different format than Yamaha's, and Yamaha
> deliberately added support for QRS and PianoDisc formats.
> 
> My experience is that the Disklavier is a little less forgiving 
about
> the PianoDisc format than native PianoDisc hardware is. The 
PianoDisc
> CDs appear to be mastered using an analog phase, so the amplitude 
and
> equalization of the control signal sometimes varies a bit, possibly
> confusing the Disklavier.
> 
> Make sure your Mark III has the latest firmware installed. I am 
told
> that a previous firmware update addressed some issues with 
PianoDisc
> compatibility.
> 
> Even with the update, however, one problem remains- PianoDisc has
> released discs using two slightly different formats (they differ 
only by
> a minor technical change), and I have confirmed that Yamaha 
supports
> only the older variant of PianoDisc CDs and not the newer one.
> 
> In any case, I've heard the folks at http://www.invisitouch.com 
are able
> to convert either type of PianoDisc CD to Disklavier format for a 
fee.
> The output would be a native Disklavier CD.
> 
> Mark Fontana