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Advanced Narrowband Digital Voice Terminal
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ANDVT, or Advanced Narrowband Digital Voice Terminal, is a family of devices
for secure voice communication via narrowband channels,
developed in the late 1970s by the
US National Security Agency (NSA)
for use by the US Department of Defense.
ANDVT uses LPC-10 voice compression (vocoder) and the secret
SAVILLE encryption algorithm
jointly developed by GCHQ
and the NSA.
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© Crypto Museum. Created: Thursday 12 September 2019. Last changed: Thursday, 12 September 2019 - 06:53 CET.
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