SuperCollider CLASSES

BAllPass

All Pass Filter

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.

Class Methods

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

Arguments:

in

input signal to be processed.

freq

center 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

Undocumented class methods

*sc (dummy, freq: 1200, rq: 1)

Instance Methods

Inherited instance methods

Examples

s.boot;
(
z = { // thru
BAllPass.ar(
    SoundIn.ar([0, 1]),
    MouseX.kr(10, 18000, \exponential),
    0.8, // rq
    0.5); // mul
}.play)
z.release;

(
z = { // like a bandpass
    var sig;
    sig = SoundIn.ar([0,1]), * 0.5;
    BAllPass.ar(sig, MouseX.kr(10, 18000, \exponential), 0.8) + sig.neg
}.play)
z.release;