//频率
　　public int Hz = 16000;
    [SerializeField]
    AudioClip s1;
    [SerializeField]
    AudioClip s2;
    [SerializeField]
    AudioClip s3;
    AudioSource source;
    AudioClip clip;
    // Use this for initialization
    void Start ()
    {
        float[] data1 = new float[s1.samples * s1.channels];
        float[] data2 = new float[s2.samples * s2.channels];
        float[] data3 = new float[s3.samples * s3.channels];
        s1.GetData (data1, 0);
        s2.GetData (data2, 0);
        s3.GetData (data3, 0);
        List<float> ar = new List<float> ();
        ar.AddRange (data1);
        ar.AddRange (data2);
        ar.AddRange (data3);
        float[] datas = ar.ToArray ();
        clip = AudioClip.Create ("temp", datas.Length, 1, Hz, false);
        clip.SetData (datas, 0);
        source = this.GetComponent<AudioSource> ();
        source.clip = clip;
        source.Play ();
    }