Scrambler—4型模拟话音保密机是美国Miller通信系统公司研制的产品。它能为电话网络、卫星网络、VHF和HF无路电台系统的话音通信提供高级保密。本机具有极佳的话音质量、高保密度和按键式应用等特点。它利用一个独立的密钥轮能简易地编制程序。密钥轮将编码存贮在一个电池供电的随机存取存贮器中。 Scrambler—4型机采用时域分割排列编码算法。它从分割时延、分割长度和传输 Scrambler-4 analog voice security machine is the United States Miller Communications Systems developed products. It provides advanced confidentiality for voice communications over telephone networks, satellite networks, VHF and HF unmanned radio systems. The machine has excellent voice quality, high-density and push-button applications and so on. It uses a single key wheel to easily program. The key wheel stores the code in a battery-powered random access memory. Scrambler-4 machine using time-domain segmentation coding algorithm. It delays from splitting, splitting length and transferring