The system structure and performance is also given. It presents speech compression algorithm implemented by High Energy Wave Extraction. It also gives out hardware interface and software structure .
介绍了系统结构、性能以及用高能谐次波提取法实现语音压缩的算法，并给出了硬件接口与软件结构设计方案。
This paper describes the basic theory of speech compression encoding and decoding algorithm in TETRA (terrestrial trunked radio) system.
研究了陆地集群无线通信（TETRA）数字集群移动通信系统的语音压缩编解码算法的基本原理。
For the sake of the safety that the assurance speech correspond, the system adopts AES algorithm to encrypt the compression speech signal, because of good efficiency and good safety.
为了保证语音通信的安全，系统采用实现速度快安全性高的AES算法来加密压缩后的语音信号。
Field intensity measuring, DSP numeralization and speech compression technology have been applied into the system design. Hardware implementation and communication protocol frame were established.
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.
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。
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