These two product items are the linguistic model and acoustic model.

这两个乘积项分别是语言模型和声学模型。

Acoustic model and speech recognition theory is the basis for building speech recognition systems.

语音的声学模型和识别理论是构建语音识别系统的基础。

Acoustic model to describing the underwater reverberat i-on is set up and the computation method of volume reverberation is inferred.

建立了描述水下混响的声学模型，推导出体积混响的计算方法；

It is not a practical grammar by any means-when building an acoustic model from grammars as small as this, you soon run into problems regarding insufficient samples.

无论如何它不是一个实际的文法—通过这么小的文法构建语音模型时，您很快就会遇到样例不够的问题。

We can categorize many state-of-the-art environment compensation approaches into two classes: the front-end and the back-end (acoustic model) processing approaches.

目前的一些鲁棒性环境补偿方法具体可分为两大类：前端处理方法和后端（声学模型）处理方法。