for (int i = 0; i < bufferLength; i++) {
				doubleBufferArray[i] = 0.21557895
						- 0.41663158
						* Math.cos((2 * Math.PI * doubleBufferArray[i])
								/ (double) (1152 - 1))
						+ 0.277263158
						* Math.cos((4 * Math.PI * doubleBufferArray[i])
								/ (double) (1152 - 1))
						- 0.083578947
						* Math.cos((6 * Math.PI * doubleBufferArray[i])
								/ (double) (1152 - 1))
						+ 0.006947368
						* Math.cos((8 * Math.PI * doubleBufferArray[i])
								/ (double) (1152 - 1));
			}