Furthermore, this paper introduced the all phase DFT spectrum analysis and tested its good performance in improving the resolution of spectrum in speech signal analysis.

• 此外，为进一步提高语音短时谱的分析质量，还给出了一种计算语音短时全相位DFT谱的方法，并通过计算机仿真验证了该方法的谱分析性能。