Echo decay per delay. 0 to 1. 1.0 = No decay, 0.0 = total decay (i.e. simple 1 line delay). Default = 0.5.
// Set the decayRatio on the chorus filter to total decay
@script RequireComponent(AudioSource)
@script RequireComponent(AudioEchoFilter)
function Start() {
GetComponent(AudioEchoFilter).decayRatio = 0.0;
}