Propellerhead PX7 Manual de usuario descargar pdf (Pagina 11)

PX7 FM SYNTHESIZER

Since the timbre of frequency modulated sounds can vary a lot depending on where on the keyboard you play, it is

necessary to be able to scale the envelope generator’s modulation amount differently across the keyboard -

especially for operators that work as modulators in the algorithm. The figure below shows the principle:

•B.P.

The B.P. (Breakpoint) parameter is used for defining the desired “center” key on the keyboard. On either side of

the breakpoint you can have different curves and depths.

Range: A-1 to C8

•Depth

The Depth parameters defines the scaling amount and can be set differently for the right and left curves on either

side of the Breakpoint key.

Range: 0-99

•Curve

One of four different curve types can be selected for the left and right curves respectively:

-LIN, -EXP, +EXP and +LIN.

The figure below shows three examples of different Breakpoint (B.P.), Depth and Curve settings:

C1C0 C2 C3 C4 C5 C6 C7 C8

DEPTH 0

BREAK POINT

+EXP

-EXP

+EXP

-EXP

+LIN

-LIN

+LIN

-LIN

LEFT CURVE RIGHT CURVE

C1C0 C2 C3 C4 C5 C6 C7 C8

50 -EXP D3 +LIN 50 0 -LIN C2 +EXP 50 50 -LIN D5 -EXP 99

1 2 ... 6 7 8 9 10 11 12 13 14

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Propellerhead PX7 Manual de usuario Pagina 11