Akai S1000 Series Operator's Manual Page 65

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Version 2.0 89/11
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The neat parameter is "xfd" (crossfade) which may be either ON or OFF. If ON, any note
which has a velocity which falls within two velocity zones will play both samples, the
relative volume being adjusted accordingly.
To select a sample to include in a keygroup, move the cursor to the sample field and
select a sample. If the sample has been previously selected as part of an existing
program, but has not yet been loaded into memory, a question mark will be shown by the
sample name. Note that a SINE "sample" is given as a default for a new program.
On some of the supplied program disks, the "samples" SINE, SQUARE, SAWTOOTH
and PULSE are included. This enables you to create "synthesizer" sounds by adding
these regular waveforms to sampled sounds.
Next, select the "velocity window" within which the sample will be played. MIDI Note
On velocity values can be from 0 (ppp) to 127 (fff), so if you want the sample to be
played all the time, set "v-lo" to 0, and "v-hi" to 127. Otherwise, set the velocity
windows accordingly.
There is-one other parameter for each keygroup - the CONST/TRACK parameter. When
set to "TRACK", the keyboard will produce pitched notes corresponding to the key being
struck. If set to "CONST", however, the pitch of the sample will
Sampler functions
Pressing the
SMP1 button will bring up the samples to be included in a keygroup. As with
other pages in the EDIT PROG mode, the top line of the page allows you to specify the
keygroup number, ONE/ALL or the name of the program being edited. Additionally, the
first line also allows you to specify the keyspan of this sample. Up to four samples can
be allocated to each keygroup (if you feel you want more, create more keygroups for the
program, overlapping each other).
Within a keygroup, these four samples can be set to play at different velocities. The tonal
characteristics of acoustic instruments can vary radically from loud to soft (a classic
example
of an instrument which does this is the Japanese end-blown flute, the shakuhachi),
and so you may want to take a few samples of the same instrument being played at
different volumes, as well as different pitches. Alternatively, you may wish to
incorporate a velocity switch as a special effect a keygroup could be set to produce only
the sound of a string section when played softly, but change to or add the sound of a
brass section when played at a higher velocity.
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