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Preventing
"Voice
Stealing"
Voice Reserve
raceme
* The GR - 1 has a maximum of 24 voices available at any one time.
he GR - 1 can produce a maximum of 24 voices simultaneously in the guitar module and multi-timbral module...i.¢,, both modules together
have what is called a 24-voice maximum polyphony. Some Original Tones use two of these voices al a time (see the Tone List on page 9-16
for specifics). And of course, Patches use up to two. with their ist and 2nd Tones. So, here's a
sample caleulation of voice usage during a
typical performance:
2 voices (at most) x 2 Tones (1st + 2nd) x 6 strings = 24 voices (maximum).
ice allocations (this assumes that you're not using the
So you can see that, under normal circumstances,
you should have no problem with v
FAT feature, which uses up even more voices).
However. it you're playing the multi-timbral module using the Recorder or an external MIDI sequencer, it is highly likely that you <2 H need
d "ste;
more than the 24 voices that are availahle. In that case, the last note plz
"a voice from the note that has been sounding the longest
[]When
the Maximum
Polyphony
is Exceeded
«That's When Voice Reserve Swings into Action
The problem with the method described above is that it does not take into account how important the
note is to the overall melody. or how noticeable it would be if the voice were stolen: it just goes in
order.
So the moment that the 24 — voice limit on the GR — 1 is exceeded, if it happens that the part that has
been sounding the longest is. say, the bass or snare, then by these rules it will have its voice stolen.
And when that happens,
it can be a very noticeable loss to the overall sound of the ensemble.
We have tried to solve this kind of problem, working
within the maximum
polyphony and still
preventing audible voice stealing, by building in the Voice Reserve feature on the GR — 1.
Voice Reserve is a setting that lets you set a guaranteed minimum number of voices for each part. For
example, if you set Voice Reserve on the bass part, which uses basically only one note at a time, to
UA", then ao matter what other parts get how many voices, the bass part will always have the two
voices it needs to sound.
Of course. this does not mean the bass part can have only two voices. And there if it happens that there
are enough voices for the other parts, they will get the voices they need too, right up to the 24 voice
limit.
When using the multi — timbral section of the sound module, keep in mind what each Part is doing
me of things when you are setting Voice Reserve. Here's
and how important it is in the overall sch
how to make that setting.
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