fxlab

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fxlab is a tool for making fx & drum samples. it uses the tone.js library for web based audio synthesis.

Shortcuts

Play      = SPACE
Randomize = R

the membrane synth emulates the sound of hitting a drum head using a single oscillator with an amplitude envelope and frequency ramp

base frequency

gain

hold time

frequency

octaves

pitch decay

a

d

s

r

the noise synth is composed of noise run through an amplitude envelope

gain

hold time

a

d

s

r

{
  "metal": {
    "baseFreq": [
      200
    ],
    "volume": [
      -20
    ],
    "holdTime": [
      1
    ],
    "attack": [
      0.1
    ],
    "decay": [
      0.1
    ],
    "sustain": [
      0.1
    ],
    "release": [
      0.1
    ],
    "harmonicity": [
      0.5
    ],
    "modIndex": [
      50
    ],
    "octaves": [
      4
    ],
    "frequency": [
      2000
    ],
    "resonance": [
      3000
    ]
  },
  "membrane": {
    "baseFreq": [
      200
    ],
    "volume": [
      -20
    ],
    "holdTime": [
      1
    ],
    "attack": [
      0.1
    ],
    "decay": [
      0.1
    ],
    "sustain": [
      0.1
    ],
    "release": [
      0.1
    ],
    "frequency": [
      2000
    ],
    "octaves": [
      4
    ],
    "pitchDecay": [
      0.25
    ]
  },
  "noise": {
    "volume": [
      -20
    ],
    "holdTime": [
      1
    ],
    "attack": [
      0.1
    ],
    "decay": [
      0.1
    ],
    "sustain": [
      0.1
    ],
    "release": [
      0.1
    ]
  },
  "mod": {
    "lpFreq": [
      0.1
    ],
    "lpRange": [
      0,
      20000
    ],
    "hpFreq": [
      0.1
    ],
    "hpRange": [
      0,
      20000
    ],
    "lfoInt": [
      1
    ],
    "vibrato": [
      0
    ],
    "wider": [
      0.5
    ],
    "reverb": [
      0
    ],
    "chorus": [
      0
    ],
    "crush": [
      0
    ]
  },
  "global": {
    "name": "new kit",
    "timeScale": [
      0.1
    ],
    "freqScale": [
      0.5
    ],
    "volume": [
      -12
    ],
    "toggle": {
      "randomizeMembrane": true,
      "randomizeMetal": true,
      "randomizeNoise": true,
      "randomizeMod": true,
      "randomizeGlobal": true,
      "muteMembrane": false,
      "muteMetal": false,
      "muteNoise": false,
      "muteMod": false,
      "muteMaster": false
    }
  }
}

control the frequency and speed multiplier of all synths

time scale

frequency scale

modulate a high-pass and low-pass filter, each with their own lfo

lp mod frequency

lp mod range

hp mod frequency

hp mod range

lfo intensity

vibrato

patch name

enable random

download format

its a mixer

membrane

metal

noise

master