Study on the errors in short time spectrum analysis of speech signal and the all phase DFT spectrum
语音短时分析的谱误差及其全相位DFT谱研究

This paper investigated the window effects and the spectrum amplitude errors in hamming windowing spectrum analysis in detail and gave its compensation coefficients. Simulation results show that these coefficients are correct. 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.