36 lines
790 B
Text
36 lines
790 B
Text
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class:: Slope
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summary:: Slope of signal
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categories:: UGens>Analysis, UGens>Filters>Linear, UGens>Maths
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description::
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Measures the rate of change per second of a signal.
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Formula implemented is:
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code::
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out[i] = (in[i] - in[i-1]) * sampling_rate
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::
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classmethods::
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method:: ar, kr
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argument::in
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Input signal to measure.
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argument::mul
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argument::add
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examples::
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code::
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(
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{
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var a, b, c, scale;
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a = LFNoise2.ar(2000); // quadratic noise
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b = Slope.ar(a); // first derivative produces line segments
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c = Slope.ar(b); // second derivative produces constant segments
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scale = 0.0002; // needed to scale back to +/- 1.0
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[a, b * scale, c * scale.squared]
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}.plot
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)
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::
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For another example of Slope see link::Classes/AbstractFunction#hypot#AbstractFunction:hypot::.
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