--- On Mon, 5/3/12, Patrick Strasser <[email protected]> wrote: > Deep fades are nasty, they tend to get more the narrower the > HF channel is. You can guard against fades with interleaving. > Phil Karn KA9Q used 16 seconds interleaving for his BPSK1000 > scheme which was used at Arissat-1, but that seems to be a bit > exagerated for voice communication ;-)
Unfortunately interleaving is a non-starter for voice, you can tolerate at best 250 ms but that's it. You want rapid changeover. The good thing with the Codec is that we can now experiment with many different ways of encoding and modulating the data. 73 Trevor M5AKA ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ Freetel-codec2 mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/freetel-codec2
