它们的主要区别在于采用模拟语音传输和数字语音传输。
The main difference between these two types is the transmission method of voice : one is transmitted by analog signal and the other uses digital signal.
接收端的计算机的调制解调器将模拟语音信号解调还原为计算机能理解的数字形式。
The modem of the receiving computer demodulates the analog sound signal back into a digital form that the computer can understand.
电话机包括一个送话器和一个受话器，用来在模拟语音和模拟电信号之间进行变换。
The telephone contains a transmitter and receiver for converting back and forth between analog voice and analog (voice-frequency) electrical signals.
提出了一种对模拟语音信号进行数字化录音的方法，并将其应用于电话录音系统中。
This paper proposes a digital recording method for analogue audio signals, and applies it to a telephone recording system.
在分析了目前的模拟语音室存在的缺点后，提出了建立数字网络语音室的解决方案。
After analyzing the disadvantages of the analog speech classrooms at present, the solution is given to establish a digital network speech classroom.
当超过三同时调用所需的额外VGA2100的模拟语音网关可以被添加到解决方案。
When more than three simultaneous calls are required additional VGA2100 analog voice gateways can be added to the solution.
现有电磁兼容发射限值主要是基于对模拟通信系统的考虑而制定的准峰值限值，它反映人的听觉系统对模拟语音信号的主观感知。
The existing limit of emission is quasi-peak (QP) value which is made to protect analog communication systems. QP value reflects human's auditory perception properties for analog voice signals.
微机模拟了因喉部疾病引起的几种典型的嘶哑语音，研究了声带的不同病理因素对模型参数的影响，并给出了模拟语音信号的典型谱分布被给出。
Different kinds of typical hoarse speech due to laryngeal diseases are simulated on microcomputer and the effects of different pathological factors of vocal cords on model parameters are studied.
微机模拟了因喉部疾病引起的几种典型的嘶哑语音，研究了声带的不同病理因素对模型参数的影响，并给出了模拟语音信号的典型谱分布被给出。
Different kinds of typical hoarse speech due to laryngeal diseases are simulated on microcomputer and the effects of different pathological factors of vocal cords on model parameters are studied.
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