利用19.39MHz的带宽传输多路节目的想法建立在数字压缩技术的基础上。
The idea of sending multiple programs within the 19.39-Mbps stream is unique to digital TV and is made possible by the digital compression system being used.
在一个工程师团队致力于开发最好的无线数据服务时，另一队人却正在研究光纤通讯中的数字压缩技术。
One team of engineers can concentrate on developing the best possible wireless data service, while another can learn how to squeeze more and more bits through fiber optic cable.
该设计采用了场强抽样测量和DSP语音数字压缩技术，建立了完善的硬件实现和网络通信协议框架。
Field intensity measuring, DSP numeralization and speech compression technology have been applied into the system design. Hardware implementation and communication protocol frame were established.
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