This paper addresses the problem of speech recognition under telephone channel conditions using data simulation method and HMM(Hidden Markov Model)adaptation.
该文研究了基于数据模拟方法和HMM（隐马尔科夫模型）自适应的电话信道条件下语音识别问题。
First, the simulation. The first step to improving spoken English ability is the family plot, the simulated using English as the national language simulation of speech and of tone.
第一、模拟。提高口语能力的第一步就是模拟糊口里的情节，模拟以英语为民族标准语的人的语音以及语调。
Process and analyze speech signal by simulation. Give a method on audio record and compression adapting multi-medium web secure communication, then implement by programming.
对语音信号进行处理和仿真分析，提出了适合多媒体网络保密通信的音频获取和压缩方法，并将其编程实现。
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