这是对有有限状态数的系统的想法，想法是，那么比方说，我们之前采取的方法，有一个状态对应的能量为零。
And the idea was for a system with a finite number of - states. The idea was so let's say, the way we had it before, there was one state with energy zero.
我们可以把能量零点放在能量最低的状态这里。
研究了数字语音短时能量和过零率特点，提出了基于有限状态机的端点检测新算法。
The characteristics of digital voice short energy and ZRC is studied, and a new voice activity detection algorithm based on finite state machine is presented.
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