In this presentation from the 2013 Digital Communications Conference, Bruce Perens K6BP discusses FreeDV, CODEC2 and “The HT of the Future”. Bruce is active in advancing interest in open-source digital voice to Amateur Radio on both HF and VHF/UHF. Here he also discusses D-STAR and Yaesu’s controversial new proprietary VHF/UHF digital amateur radio communications protocol.
Interested in new open source digital radio protocols? Check out FreeDV. FreeDV is a GUI application for Windows and Linux (MacOS and BSD are in testing) that allows any SSB radio to be used for low bit rate digital voice. Speech is compressed down to 1400 bit/s then modulated onto a 1100 Hz wide QPSK […]