Whats new in Digital voice over HF radio?
Download FreeDV Digital Voice for HF
FreeDV is a GUI application for Windows and Linux that allows any SSB radio to be used for low bit rate digital voice.
A good place to try the FreeDV digital voice software is on 14.236. Enjoy
Latest version of FreeDV is 0.96.5 dated August 15, 2013 This Repairs T/R switching (including both serial control line switching and hamlib serial commands) and a conflict in the use of the space bar between the options panel and T/R switching.
The new version 0.96 provides a 1600 bit-per-second mode that communicates at much lower signal levels than previously. Communications should be readable down to 2 dB S/N, and long-distance contacts are reported using 1-2 watts power. A compatibility mode for communication with the older 0.91 version is included. An executable program for Windows is presently available, Linux and other platforms are coming soon.
Here is a good video showing you how to setup and use the FreeDV digital voice software
And another video showing FreeDV in use on the 20mtr band.
Old now but it was the start of digital voice over HF. DRMDV 2.0 DRMDV is the next generation of digital voice over HF SSB. DRMDV offers increased robustness and interference rejection with improvements over the WinDRM implementation.
Digital Voice ModeFDMDV is the latest digital voice mode on HF - it caters to high quality digital voice under poor band conditions, in only 1100Hz bandwidth!.
More information about the mode will be posted soon - please check back often for new updates!
(C) 2009 Jason Buchanan - firstname.lastname@example.org
For latest news on Digital SSTV see the News Page
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