一本在音频信号处理方面很有帮助的英文原著 -Speech Quality of VoIP Assessment and Prediction

网络视频电话质量评估系统，提出了针对网络电话的音视频质量评估算法，对网络电话进行评估-Network video call quality evaluation system for VoIP audio and video quality assessment algorithms, and assessment of the Internet phone