The PULSAR system is developed with the following parts: the robust feature extraction based on auditory mechanisms, acoustic modeling with mandarin pronunciation characteristics, search space building based on WFST, and efficient global decoding scheme.
The PULSAR system is developed with the following parts: the robust feature extraction based on auditory mechanisms, acoustic modeling with mandarin pronunciation characteristics, search space building based on WFST, and efficient global decoding scheme.
本研究实现的系统PULSAR包括：基于听感知机理的抗噪声特征提取，针对汉语发音特点的声学建模，基于加权有限状态自动机(WFST)的搜索空间，融合声学模型和语言模型的高效全局解码。