Jeff Brower wrote:
If you're looking at low bitrate codecs for GNU radio, why use a
hardware (dongle)dependent solution? You might look at MELPe, which
provides 600, 1200, and 2400 bps,and can be implemented as a software
solution. MELPe is a US/NATO standard (STANAG4591). Common
applications are HF radio and L band satellite apps where bandwidth is
very limited.
My interest is what is actually being used - which in the case of public
safety communications is the P25 variant of IMBE. FWIW, a closed source
PC hosted IMBE vocoder exists now.
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