3 min read

Source: Roblox Creator Hub · CC BY 4.0 · View source · Code samples: MIT Imported 2026-10-03. Formatting adapted for this site.

AudioFilterType

Families of curves that AudioFilter can use to process incoming audio. Each filter type is applied at a specified Frequency and may be shaped by additional Gain or Q parameters.

Items

NameValueDescription
Peak0Filter that boosts or reduces sound near a specified Frequency.
LowShelf1Filter that boosts or reduces sound below a specified Frequency.
HighShelf2Filter that boosts or reduces sound above a specified Frequency.
Lowpass12dB3Filter that cuts sound above a specified Frequency, at a slope of -12dB/octave.
Lowpass24dB4Filter that cuts sound above a specified Frequency, at a slope of -24dB/octave.
Lowpass48dB5Filter that cuts sound above a specified Frequency, at a slope of -48dB/octave.
Highpass12dB6Filter that cuts sound below a specified Frequency, at a slope of -12dB/octave.
Highpass24dB7Filter that cuts sound below a specified Frequency, at a slope of -24dB/octave.
Highpass48dB8Filter that cuts sound below a specified Frequency, at a slope of -48dB/octave.
Bandpass9Filter that only allows sound near a specified Frequency to be heard.
Notch10Filter that cuts sound near a specified Frequency.
Lowpass6dB11Filter that cuts sound above a specified Frequency, at a slope of -6dB/octave.

Peak

Filter that boosts or reduces sound near a specified Frequency.

FieldValue
value0

LowShelf

Filter that boosts or reduces sound below a specified Frequency.

FieldValue
value1

HighShelf

Filter that boosts or reduces sound above a specified Frequency.

FieldValue
value2

Lowpass12dB

Filter that cuts sound above a specified Frequency, at a slope of -12dB/octave.

FieldValue
value3

Lowpass24dB

Filter that cuts sound above a specified Frequency, at a slope of -24dB/octave.

FieldValue
value4

Lowpass48dB

Filter that cuts sound above a specified Frequency, at a slope of -48dB/octave.

FieldValue
value5

Highpass12dB

Filter that cuts sound below a specified Frequency, at a slope of -12dB/octave.

FieldValue
value6

Highpass24dB

Filter that cuts sound below a specified Frequency, at a slope of -24dB/octave.

FieldValue
value7

Highpass48dB

Filter that cuts sound below a specified Frequency, at a slope of -48dB/octave.

FieldValue
value8

Bandpass

Filter that only allows sound near a specified Frequency to be heard.

FieldValue
value9

Notch

Filter that cuts sound near a specified Frequency.

FieldValue
value10

Lowpass6dB

Filter that cuts sound above a specified Frequency, at a slope of -6dB/octave.

FieldValue
value11