Loudness

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Revision as of 20:27, 8 April 2009 by Jessy (Talk | contribs)

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Author: Jessy

Description

Unity's standard volume control uses a "linear taper", and humans hear on a roughly exponential scale. "Loudness", unlike the Audio Source's "Volume", will yield perceptually equivalent loudness changes for equivalent value changes. (Changing the Loudness from 0.2 to 0.3 will yield a similar difference in loudness between 0.7 to 0.8, etc.)

JavaScript - Loudness.js

<javascript> var loudness : float = 1; private var sqrtOf10 = Mathf.Sqrt(10);

// I would not leave this in Update() for a release. // Put it wherever you need it, to change the volume in-game.

function Update () { audio.volume = (Mathf.Pow(sqrtOf10, Mathf.Log(loudness, 2))); } </javascript>

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