The length of the audio clip in seconds. (Read Only)

	audio.Play();
	// Wait for the audio to have finished
	yield WaitForSeconds (audio.clip.length);

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    IEnumerator Example() {
        audio.Play();
        yield return new WaitForSeconds(audio.clip.length);
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def Example() as IEnumerator:
		audio.Play()
		yield WaitForSeconds(audio.clip.length)