本程序用于测量增强语音与纯净语音的对数谱距离，用于语音增强。对数谱距离越小小，表明增强语音与纯净语音越接近，增强语音质量越好；反之，则增强语音质量越差。 -The procedure used to measure to enhance the voice and the pure voice of the logarithmic spectral distance for speech enhancement. More small log spectral distance, the c