SoundManager.cs

using UnityEngine;
using System.Collections;

public class SoundManager : MonoBehaviour 
{


		public AudioSource efxSource;					
		public AudioSource musicSource;					
		public static SoundManager instance = null;						
		public float lowPitchRange = .95f;				
		public float highPitchRange = 1.05f;			
		
		
		void Awake ()
		{
			
			if (instance == null)
				instance = this;
		else if (instance != this)
				Destroy (gameObject);
			
		DontDestroyOnLoad (gameObject);
		}
		
		
		public void PlaySingle(AudioClip clip)
		{
			efxSource.clip = clip;
			
		    efxSource.Play ();
		}
		
		
		public void RandomizeSfx (params AudioClip[] clips)
		{
			int randomIndex = Random.Range(0, clips.Length);
		    float randomPitch = Random.Range(lowPitchRange, highPitchRange);
			efxSource.pitch = randomPitch;
			efxSource.clip = clips[randomIndex];
			efxSource.Play();
		}
}