14-16
Sampling and Sample Editing
Editing Samples
Sample Size and Sample Rate
These are not editing parameters. TheyÕre on this page to give you a convenient place to check
the size in kilobytes of the current sample, and the rate at which it was sampled.
The TRIM Page
The TRIM page lets you set the Start, Alt, Loop, and End points of the current sample. The top
line tells you whether youÕre editing a ROM or RAM sample, and indicates the zoom setting. At
the left of the display is the Gain (display magniÞcation) setting. This Gain setting doesnÕt affect
the amplitude of the sample, just the view in the display.
In the diagram below, the sample points are expressed in individual sample elements. Pressing
the Units soft button (or the Quick Access mode button) will display them in seconds.
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 overlap.
Selecting one of the parameters moves the line corresponding to that parameter to the center of
the display, where it ßashes to indicate the parameterÕs position. 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
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