涉及信号的编码和解码，调制和解调，信道的交织和解交织等。-involved in the signal encoding and decoding, modulation and demodulation, the intertwining of the Channel reconciliation so intertwined.

增量调制的编码，用于语音信号的编码，用马桶拉比实现。-Delta modulation encoding for voice signals encoded using the toilet Rabbi achieve.

设计一个单路语音数字通信系统，信道视为理想信道，语音编码方式和调制方式不限。-Design a one-way digital voice communication system, channel regarded as an ideal channel, voice encoding and modulation in any manner whatsoever.