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Different piano voices -- different velocity maps?


cpcohen

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Still playing . . .

a) I was impressed with the power of the "Rock Piano" tone. And then I realized:

. . . This tone has been compressed!

It's very tough to get a "pp" sound out, it goes to "mf" or "f" with any reasonable velocity. I assumed that the keyboard velocity mapping was the same for all tones -- but it seems that it isn't. Some of the organ tones (e.g., GM Reed Organ) work similarly. They're not "velocity-insensitive", but the velocity-to-loudness map is very different from the piano sounds.

. . . It would be nice if _I_ could specify that velocity map, as I can on my ancient Korg X5D !

B) Several of the "GrPno. . . " tones seem to be related to "GrPnoConcert": They're not just EQ'd differently --

. . . They have identical tone qualities (for a given pitch), but exhibit those qualities at different keyboard velocities.

So it seems that the GrPnoConcert samples have been used to make them, but the velocity layering -- the choice of which _original sample_ is used for each keyboard velocity, and how loud it sounds -- has been changed.

I suppose I'm trying to reverse-engineer the PX-350's sound generator by listening to it.

Any comments are welcome . . .

. Charles

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