Let us compare our unknown analog input signal to a "guess".

现将一个未知的模拟输入信号同一个假定值进行比较。

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In other words, pulse width modulation is a modulation technique for generating variable width pulses to represent the amplitude of an input analog signal or wave.

或者换句话说，脉宽调制是一种调制技术，为发电可变脉冲宽度为代表的幅值输入模拟信号或波。

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There are two kinds of input signals in this encoder: analog audio signal input and serial digital audio signal input.

该编码器的信号输入包括两种类型，模拟音频信号的输入和串行数字音频信号的输入。

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The advantage of digital input is that the signal sent by the PC doesn't have to be converted to analog, so signal loss is virtually eliminated, Fender said.

CNN: Comdex: Monitors show dual analog/digital skills