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Assets/Standard Assets/ParticleSystems/Scripts/SmokeParticles.cs

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+using System;
+using UnityEngine;
+using Random = UnityEngine.Random;
+
+namespace UnityStandardAssets.Effects
+{
+    public class SmokeParticles : MonoBehaviour
+    {
+        public AudioClip[] extinguishSounds;
+
+
+        private void Start()
+        {
+            GetComponent<AudioSource>().clip = extinguishSounds[Random.Range(0, extinguishSounds.Length)];
+            GetComponent<AudioSource>().Play();
+        }
+    }
+}