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Overview - Chapter 3
Q20 Reference Manual 47
Start and End Pointers
The Start and End parameters (Parameter Mode, Page 3) serve as ÒpointersÓ which
determine the section of recorded audio the Sample Buffer will play back when
triggered. If you have recorded audio with the Rec parameter set to 1 SHOT (see
above), you may end up with some Òempty silenceÓ at the beginning of your sample.
By adjusting the Start pointer, you can have the Sample Buffer begin at the desired
section of your recording when it is triggered. If, on the other hand, you have an
annoying mistake at the end of an otherwise perfect recording, you can adjust the
End pointer so that the Sample Buffer stops playback before the mistake occurs.
The Start pointer can be set from 0.0 ms to at least 50 ms below the End pointerÕs
current setting. The End pointer can be set from at least 50 ms above the Start
pointerÕs current setting to the Maximum Sample Length parameterÕs setting. Both
can be adjusted in .1 ms increments.
While adjusting either the Start or End pointer values, you can trigger the Sample
Buffer by pressing the [VALUE/ENTER] button. This way you can audition your
changes as you make them. Note: If the Sample Play parameter is set to LOOPED
and the Sample Buffer is triggered, the Sample Buffer will continue to use the same
Start and End settings while it is looping playback. If you make changes to the
Start and End pointers, you must press the [VALUE/ENTER] button to retrigger the
Sample Buffer and hear your changes.
Play Trigger
The Play Trigger parameter (Parameter Mode, Page 4) determines how playback of
the Sample Buffer will be triggered.
¥ When set to ENTER, the Sample Buffer will only be triggered by pressing the
[VALUE/ENTER] button while the Sample Play parameter is selected.
However, even when another trigger type is selected, you will always be able
to trigger the Sample Buffer using the [VALUE/ENTER] button in this manner.
¥ When set to AUDIO LEFT, AUDIO RIGHT or AUDIO LEFT & RIGHT, the
Sample Buffer will be triggered whenever an audio level greater than -12 dB is
present at either the analog or digital inputs, depending on which is selected as
the Input Audio Source.
¥ When set to MIDI NOTE #, the Sample Buffer will be triggered by an incoming
MIDI note message, as determined by the Note # parameter (see below).
¥ When set to either ADVANCE FOOTSWITCH or BYPASS FOOTSWITCH,
the selected footswitch will not perform its normal function (that of advancing
to the next Program or bypassing effects, respectively). Instead, the Sample
Buffer will be triggered when the selected footswitch is pressed.