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Melisma modules

• Index

Contents

• Class biquad.lowpass

Modules

• biquad
• expression
• fs
• keycallback
• udp

Classes

• buffer
• delay
• gain
• interp
• ladspa
• mixer
• nullsink
• oscil
• pan
• playback
• sample
• serial
• timer

Module biquad

Digital biquad filters.

Class biquad.lowpass

biquad.lowpass.init(input)	Create a lowpass filter.
lowpass:cutoff(cut)	Set filter cutoff frequency.
lowpass:resonance(res)	Set filter resonance.

Class biquad.lowpass

Usage:

local mbiquad = require 'melisma.biquad'
local input = ...
local lowpass = mbiquad.lowpass.init(node, 2000, 0.6)
lowpass:resonance(1000)
lowpass:cutoff(0.25)

biquad.lowpass.init(input)

Create a lowpass filter.

Parameters:

• input channel Input signal.

Returns:

biquad.lowpass The newly created lowpass filter.

lowpass:cutoff(cut)

Set filter cutoff frequency.

Parameters:

• cut number Cutoff frequency.

lowpass:resonance(res)

Set filter resonance.

Parameters:

• res number Resonance.