本文介绍了G . 723.1语音编码器的概念，分析了它的技术和特点。
This paper introduces concept of G. 723.1 speech coder and analyses its technology and feature.
伪随机码绝对式编码器采用M序列伪随机码作为编码方法，采用双狭缝技术进行分时位置读取，并采用ROM元件进行译码输出。
M sequence pseudorandom code is used for encoding the pseudorandom code absolute encoder, double slit technique is used to perform time sharing reading and ROM is used as the coding device.
利用多级离子注入技术，一种新型的CMOS四值译码器与编码器被设计。
By using the multiple ion implantation technique, novel CMOS quaternary decoder and encoder are designed.
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