private IEnumerator StartPlay(AudioClip buffer)
{
audioObj[index].SetClip(buffer);
yield return new WaitForSeconds(.01f);
audioObj[index].player.SetActive(true);
audioObj[index].player.GetComponent<AudioSource>().Play();
audioObj[Mathf.Abs((index % 2) - 1)].player.GetComponent<AudioSource>().Stop();
index++;
if (index > 1)
index = 0;
}