AudioSource.pitch

Description

The pitch of the audio source.

#pragma strict
@RequireComponent(AudioSource)
public var startingPitch = 4;
public var timeToDecrease = 5;
var audio;
function Start() {
	audio = GetComponent.<AudioSource>();
	audio.pitch = startingPitch;
}
function Update() {
	if (audio.pitch > 0)
		audio.pitch -= Time.deltaTime * startingPitch / timeToDecrease;
}

using UnityEngine;
using System.Collections;

[RequireComponent(typeof(AudioSource))]
public class ExampleClass : MonoBehaviour {
    public int startingPitch = 4;
    public int timeToDecrease = 5;
    AudioSource audio;
    
    void Start() {
    	audio = GetComponent<AudioSource>();
        audio.pitch = startingPitch;
    }
    
    void Update() {
        if (audio.pitch > 0)
            audio.pitch -= Time.deltaTime * startingPitch / timeToDecrease;
    }
}