20.1. IMPULSE 285
Each of the eight samples has a proprietary set of parameters, located in the area below the
sample slots and visible when the sample is clicked. Adjustments to sample settings are only
captured once you hit a new note they do not affect currently playing notes. Note that
this behavior also denes how Impulse reacts to parameter changes from clip envelopes or
automation, which are applied once a new note starts. If you want to achieve continuous
changes as a note plays, you may want to use the Simpler.
Slot 8's parameters also include a Link button, located in the lower left corner, which links
slot 8 with slot 7. Linking the two slots allows slot 7's activation to stop slot 8's playback, and
vice versa. This was designed with a specic situation in mind (but can, of course, be used
for other purposes): Naturalistic closed hi-hat cymbals will shut down open hi-hat cymbals.
Each slot can be played, soloed or muted using controls that appear when the mouse hovers
over it.
20.1.2 Start, Tune and Stretch
The Start control denes where Impulse begins playing a sample, and can be set to up
to 100 ms later than the actual sample beginning. The Transposition control adjusts the
transposition of the sample by +/- 48 semitones, and can be modulated by incoming note
velocity or a random value, as set in the appropriate elds.
The Stretch control has values from -100 to 100 percent. Negative values will shorten the
sample, and positive values will stretch it. Two different stretching algorithms are available:
Mode A is ideal for low sounds, such as toms or bass, while Mode B is better for high sounds,
such as cymbals. The Stretch value can also be modulated by MIDI note velocity.
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