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978| Editing the Samples
Changing the loop points
> Be sure the Loop On checkbox is selected.
> Use the Loop Start parameter to adjust the Loop Start point.
> Use the End parameter to adjust the Loop End point (always matching the
Sample End point).
Protecting the loop length
> Use the Loop Lock to x the length of the loop being edited. When it is closed,
moving the Loop Start automatically moves the Loop/Sample End point, or vice
versa.
This is convenient when you are creating a rhythmic loop to match a specic
Tempo.
Using crossfade looping
When looping the pitched sample of a complex sound such as strings or woodwinds
to make the sound sustain, it is necessary to create a long loop to preserve the rich
character of the sound’s body. Crossfade Loop can be used to minimize the dif-
ference in pitch and level between the beginning and ending of the loop region, to
create a natural-sounding loop. In order to solve such problems, Crossfade Loop
causes the sound to change gradually from the end to the beginning of the loop.
In practice, here is how it works. A specic length (the Crossfade Length value)
of the waveform immediately before the beginning of the loop is taken and mixed
with the end portion. At this time, the waveform level of the portion immediately
before the end (the length specied by Crossfade Length) will gradually decrease,
and the waveform level immediately before the beginning of the loop will gradually
increase as the two are mixed.
When the
Loop On checkbox is selected, and the Start and Loop Start parameters
have different values, the Crossfade button becomes available.
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