Version: 2020.3
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AudioLowPassFilter.cutoffFrequency

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public float cutoffFrequency;

Description

Lowpass cutoff frequency in hz. 10.0 to 22000.0. Default = 5000.0.

Note that setting this value will reset any custom cutoff curve set for this AudioLowPassFilter.

using UnityEngine;

[RequireComponent(typeof(AudioSource))] [RequireComponent(typeof(AudioLowPassFilter))] public class Example : MonoBehaviour { // Moves the cuttoutFrequency from 10 to 22000 following a Sinus function // Attach this to an audio source with a LowPassFilter to listen to it working.

void Update() { GetComponent<AudioLowPassFilter>().cutoffFrequency = (Mathf.Sin(Time.time) * 11010 + 11000); } }