UnityEngine.AudioSource.GetOutputData C# (CSharp) Method

        public float[] GetOutputData(int numSamples, int channel)
        {
            float[] samples = new float[numSamples];
            this.GetOutputDataHelper(samples, channel);
            return samples;
        }

		public static float GetAveragedVolume(AudioSource audio, int samples) {
			float[] data = new float[samples];
			float a = 0;
			audio.GetOutputData(data,0);
			foreach(float s in data)
			{
				a += Mathf.Abs(s);
			}
			return a/samples;
		}