ÁP‑D

        

Microprocessor-Design
Providing solutions for electronics R&D problems. Out-sourcing, contracting and consulting.
Mike Randall (Director), Christchurch, New Zealand.


Encrypted VoIP for low-rate channels

The hardware prototype had already been developed for this project. My role was to do the CPLD design and Atmel processor firmware development. The aim was to demonstrate an application of the company's digital encryption technology in a low-rate environment (such as a band-limited satellite channel).

The data path (in both directions) was device-(serial link)-PC-(ethernet link)-PC-(serial link)-device. The PC part of the path required me to write a server-client application in Delphi.

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