SuperCollider CLASSES

BHiPass4

24db/oct rolloff - 4th order resonant Hi Pass Filter [1]
Inherits from: Object

Description

The B equalization suite is based on the Second Order Section (SOS) biquad UGen.

NOTE: Biquad coefficient calculations imply certain amount of CPU overhead. These plugin UGens contain optimizations such that the coefficients get updated only when there has been a change to one of the filter's parameters. This can cause spikes in CPU performance and should be considered when using several of these units.

[1] this is a pseudo UGen. BHiPass4 is built by cascading 2 SOS sections.

Class Methods

*ar (in, freq: 1200, rq: 1, mul: 1, add: 0)

Arguments:

in

input signal to be processed.

freq

cutoff frequency. WARNING: due to the nature of its implementation frequency values close to 0 may cause glitches and/or extremely loud audio artifacts!

rq

the reciprocal of Q. bandwidth / cutoffFreq.

mul
add

Inherited class methods

Instance Methods

Inherited instance methods

Examples

s.boot;
(
z = {
    BHiPass4.ar(
        SoundIn.ar([0,1]),
        MouseX.kr(10, 20000, \exponential), // cutoff freq.
        MouseY.kr(0.1, 1.0, \linear), // rq
        0.5); // mul
}.play)
z.release;