Untitled

public class Sound : MonoBehaviour
{

    public AudioClip[] audioClip;
    public AudioSource audio;

    void Update()
    {

        if (Input.GetKeyDown(KeyCode.D))
        {
            if (audio.isPlaying)
            {
                audio.Stop();
                audio.clip = audioClip[0];
                audio.Play();
            }
            else
            {
                audio.clip = audioClip[0];
                audio.Play();
            }
       
}