Kurzweil PC3A6 [109/423] Setting kva oscillator type

Kurzweil PC3A6 [109/423] Setting kva oscillator type
6-54
Program Mode
Function Soft Buttons
Note: Besuretodierentiatebetweenthedierentpitchparameters,eachusedeitheronlyforkeymapsor
only for KVA oscillators. The Pitch parameter on the top left of the DSPCTL and DSPMOD pages always
appearsinVASTprogramsbutonlyaectsthepitchofkeymaps.IfaKVAoscillatorisbeingused,this
Pitchparameterwillhavenoaectonthelayerspitch,inwhichcasetheoscillatorPch. parameter
described above must be used to control the pitch of the oscillator.
Setting KVA Oscillator Type
The PC3A comes with 22 Dierent KVA oscillators. There are 11 high quality anti-aliased
oscillators (free of digital artifacts,) and 11 oscillators that exhibit some aliasing (digital artifacts)
in the higher octaves. The anti-aliased oscillators use up more DSP resources than the ones with
aliasing, but the improvement in sound quality is quite noticeable. We strongly recommend
using the anti-aliased oscillators for most applications.
The tables below list KVA oscillators by type and function block size. Before setting an oscillator,
you must choose an algorithm which includes a block that matches the block size for the
oscillator that you wish to use. See The Algorithm (ALG) Page on page 6-22 and Algorithm Basics on
page 6-23 for more on selecting algorithms. Once you have picked an algorithm with the desired
block size, highlight the block and use the alpha wheel to scroll through the available functions
until you nd the desired oscillator.
The SYNC SQUARE oscillator is an 8 block oscillator that requires the use of two layers (4 blocks
each) and the Alt Input feature of cascade mode. See below for details on setting up the Sync
Square oscillator.
Note: If you put more than one oscillator in an algorithm, you will only hear the output of the last
oscillator in the algorithm, unless an algorithm is used to route the earlier oscillator around the last
oscillator and into a MIX function block, or if the last oscillator processes its audio input.
Anti-Aliased Oscillators Aliased Oscillators
Size Name/Type Size Name/Type
1 Block LPNOIZ (noise + low pass lter) 1 Block SINE
2 Blocks SINE SAW
SINE+ TRI
SAW SQUARE
RES NOISE (noise + low pass
lter with resonance)
NOISE
SQUARE SINE+
3 Blocks PWM (Pulse Width Modulation) SAW+
4 Blocks SYNC SAW NOISE+
SUPER SAW SW+SHP (Sawtooth + Shaper)
TRIPLE SAW 2 Blocks SHAPED SAW
8 Blocks SYNC SQUARE (master) >>,
>>SYNC SQUARE (slave)
(4 blocks each)
PWM (Pulse Width Modulation)

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