58 lines
1.2 KiB
Text
58 lines
1.2 KiB
Text
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class:: LFSaw
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summary:: Sawtooth oscillator
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related:: Classes/LFCub, Classes/LFPar, Classes/LFPulse, Classes/LFTri, Classes/Saw
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categories:: UGens>Generators>Deterministic
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Description::
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A non-band-limited sawtooth oscillator. Output ranges from -1 to +1.
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classmethods::
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method::ar, kr
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argument::freq
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Frequency in Hertz.
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argument::iphase
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Initial phase offset. For efficiency reasons this is a value
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ranging from 0 to 2.
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Note:: enter "1" for an initial phase of 0 radiants.
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A value of 0 would start the cycle at pi radiants. See the example below.::
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argument::mul
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Output will be multiplied by this value.
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argument::add
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This value will be added to the output.
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Examples::
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code::
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{ LFSaw.ar(500, 1, 0.1) }.play
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// used as both Oscillator and LFO:
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{ LFSaw.ar(LFSaw.kr(4, 0, 200, 400), 0, 0.1) }.play
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::
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Display special behaviour of initial phase parameter:
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code::
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// 0.15 seconds of 3-channel buffer
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b = Buffer.alloc(s, s.sampleRate * 0.15, 3);
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(
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// generate Signal
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m = SynthDef ("help-lfsawphase", {|rate = 20|
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var l;
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l = LFSaw.ar(rate, [0, 1, 2]); // three channels, three phases
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RecordBuf.ar(l, b, doneAction: Done.freeSelf, loop: 0);
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Out.ar(0, l * -20.dbamp);
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}).play(s);
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)
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b.plot; // see the difference
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::
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