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  • Introduction
  • Motivation
  • In Depth
    • Making Sound
    • Virtual File System
    • Sample Accurate Rendering
    • Understanding Keys
    • Using Refs
    • Native Integrations
    • Custom Native Nodes
    • Distortion, Saturation, and Wave Shaping
    • Envelope Generators
    • Web MIDI
    • @elemaudio/core
    • @elemaudio/offline-renderer
    • @elemaudio/web-renderer
  • Playground API
    • Math
    • el.accum
    • el.adsr
    • el.allpass
    • el.bandpass
    • el.biquad
    • el.blepsaw
    • el.blepsquare
    • el.bleptriangle
    • el.capture
    • el.compress
    • el.const
    • el.convolve
    • el.counter
    • el.cycle
    • el.db2gain
    • el.dcblock
    • el.delay
    • el.df11
    • el.env
    • el.fft
    • el.hann
    • el.highpass
    • el.highshelf
    • el.latch
    • el.lowpass
    • el.lowshelf
    • el.maxhold
    • el.mc.capture
    • el.mc.sample
    • el.mc.sampleseq
    • el.mc.sampleseq2
    • el.mc.table
    • el.meter
    • el.metro
    • el.mm1p
    • el.ms2samps
    • el.noise
    • el.notch
    • el.peak
    • el.phasor
    • el.pink
    • el.pinknoise
    • el.pole
    • el.prewarp
    • el.rand
    • el.sample
    • el.sampleseq
    • el.sampleseq2
    • el.saw
    • el.scope
    • el.sdelay
    • el.select
    • el.seq
    • el.seq2
    • el.skcompress
    • el.sm
    • el.smooth
    • el.snapshot
    • el.sparseq
    • el.sparseq2
    • el.sphasor
    • el.square
    • el.sr
    • el.svf
    • el.svfshelf
    • el.table
    • el.tapIn
    • el.tapOut
    • el.tau2pole
    • el.time
    • el.train
    • el.triangle
    • el.z
    • el.zero
Docs
Reference
el.biquad

el.biquad(b0, b1, b2, a1, a2, x)

A second order transposed direct-form II filter implementation. Expects six children, the first five of which are the raw filter coefficients (b0, b1, b2, a1, a2). The final input is the signal to filter.

el.bandpassel.blepsaw

MIT 2025 © Nick Thompson