🎛️FilterOptions
Audio filter options types
| Property | Description | Type |
|---|---|---|
channelMix | This filter mixes both channels (left and right), with a configurable factor on how much each channel affects the other. With the defaults, both channels are kept independent from each other. Setting all factors to 0.5 means both channels get the same audio. | |
distortion | Distortion effect | |
equalizer | The equalizer band gains | |
karaoke | Uses equalization to eliminate part of a band, usually targeting vocals. | |
lowPass | Higher frequencies get suppressed, while lower frequencies pass through this filter, thus the name low pass. | |
rotation | This filter simulates an audio source rotating around the listener. | |
timescale | Change time stretch and pitch scale | |
tremolo | Trembling effect. | |
vibrato | A musical effect consisting of a regular, pulsating change of pitch. It is used to add expression to vocal and instrumental music | |
volume | The volume between 0 and 500 |
ChannelMixOptions
| Property | Description |
|---|---|
leftToLeft | Number (optional) |
leftToRight | Number (optional) |
rightToLeft | Number (optional) |
rightToRight | Number (optional) |
DistortionOptions
| Property | Description |
|---|---|
sinOffset | Number (optional) |
sinScale | Number (optional) |
tanOffset | Number (optional) |
tanScale | Number (optional) |
cosOffset | Number (optional) |
cosScale | Number (optional) |
offset | Number (optional) |
scale | Number (optional) |
Equalizer bands reference:
There are 15 bands [0-14] 25 Hz, 40 Hz, 63 Hz, 100 Hz, 160 Hz, 250 Hz, 400 Hz, 630 Hz, 1 kHz, 1.6 kHz, 2.5 kHz, 4 kHz, 6.3 kHz, 10 kHz, 16 kHz
The meaningful range for the values is -0.25 to 0.5, -0.25 means you're completely wiping out that frequency, 0.25 means you're doubling it
KaraokeOptions
| Property | Description |
|---|---|
level | Number (optional) |
monoLevel | Number (optional) |
filterBand | Number (optional) |
filterWidth | Number (optional) |
LowPassOptions
| Property | Description |
|---|---|
smoothing | Number (optional) |
RotationOptions
| Property | Description |
|---|---|
rotationHz | Number (optional) The rotation speed in Hertz |
TimescaleOptions
| Property | Description |
|---|---|
speed | Number (optional) Changes the sound to play at faster or slower tempo than originally without affecting the sound pitch. |
pitch | Number (optional) Changes the sound pitch or key while keeping the original tempo (speed). |
rate | Number (optional) Changes both tempo and pitch together as if a vinyl disc was played at different RPM rate. |
TremoloOptions
VibratoOptions
P.S.: Some audio filter descriptions stolen from https://github.com/natanbc/lavadsp
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