Kurzweil K2500RS, Musician'S Manual

Page: 318 / 530

Sampling and Sample Editing
Editing Samples
15-14
The four parameters on this page are Start (S), Alternative Start (A), Loop (L), and End (E).
Selecting these parameters and adjusting their values enables you to modify how the sample
plays back when notes are triggered.
There are four vertical lines that indicate the settings of the four parameters. YouÕll see all four
lines only if the values for each of the four parameters are different; otherwise, the lines will
overlap. Selecting one of the parameters will move the line corresponding to that parameter to
the center of the display, where it will ßash to indicate the parameterÕs position. The line
corresponding to the currently selected parameter will ßash. Turning the Alpha Wheel will
move the sample waveform relative to the line. The line remains in the center of the display,
and the waveform shifts to indicate the new position of the point. You can also use the
alphanumeric buttonpad to enter new values directly. Press the ENTER button to register the
values you enter.
The Start (S) point determines the beginning of the current sample. You can truncate the
beginning of the sample by increasing the value of the Start (S) parameter. You might do this to
remove silence at the beginning of a sample, or to remove some or all of the attack. You canÕt
decrease the Start point of RAM samples below zero, but if you want to add silence at the
beginning of a RAM sample to create a delay, you can use the Insert Zero DSP function to add
as much silence as you like. The start points of ROM samples can be set lower than zero (you
can set negative numbers for the Start (S) and Alt (A) parameters). Doing this will cause
portions of other samples to be played, which can create interesting effects.
Note that for RAM samples, you wonÕt see any waveforms displayed to the left of the Start
point, but you will for ROM samples.
The Alt (A) parameter lets you set a second, optional start or end point for the current sample.
The Alt will be used when the Alt Switch parameter on the KEYMAP page is set to On, or when
itÕs set to a speciÞc control source and that control source is generating a value of more than +.5
(for example, if you assign MWheel as the control source for the Alt Switch parameter, the Alt
will be used when the Mod WheelÑor whatever control source you have set to send MWheelÑ
is above its halfway point).The Alt can be set before, after, or at the same point as the Start or
end.
If you set the Alt after the End, you can extend the play of looped samples. Normally, looped
samples will play through to the End, then will loop back to the Loop point, and continue
looping like this until the note is released, when they go into their normal release. If the Alt is
set after the End, looped samples will loop in the same way while notes are sustained. As soon
as you release the notes, however, the samples will play through to the Alt point before going
into release.
The Loop (L) parameter sets the beginning of the looped portion of the current sample.
Although you can adjust this parameter while youÕre on the TRIM page, youÕll normally want
to adjust it while viewing the LOOP page, so you can see the loop transition points, enabling
you to create as smooth a loop as possible. The Loop can be set at any point before the End,
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