@Test // 用于验证快速傅里叶变换算法的正确性 public void fftTest() { List<Short> audioData1 = new ArrayList<Short>(); for (short i = 1; i < 9; i++) { audioData1.add(i); } System.out.println(audioData1); List<Complex> result = fftTool.fft(audioData1); System.out.println("fft以后:"); System.out.println(result); List<Short> result2 = fftTool.ifft(result); System.out.println("ifft以后:"); System.out.println(result2); }