Wouldn't it be great if our Flex Radios could handle Icom's D-Star, Yaesu's Fusion, and Motorola's Mototrbo (as well as FreeDV). After all, our silicon is capable of fiddling with all those encoded bits in less than a blink of the eye.
The problem, as I see it, is the proprietary and heavily enshrouded in patents, AMBE vocoder algorithm. But take heart! Unless their expensive lawyers are able to extend their claims any longer, by 2028 it should be perfectly legal to implement this algorithm!
I wouldn't advise anyone to hold their breaths, but a man can dream, can't he?
Its not dreaming, I predict someone this year will do something to prove it (maybe like porting MMTTY to run inside the radio, etc.).
Regarding the patents, yeah, I share your dream. Off topic but, if we can get pharmaceutical companies to cooperate when their patent is up so that generic drugs can be available for the benefit of mankind, that would be an amazing thing.
Something I have been wondering about is QRM mitigation with DV. Why not implement a version using CDMA. As I understand that term, it refers to modulation of different channels, all occupying the same frequency space, with a long orthogonal binary polynomial code, so that overlapping channels in frequency still retain their separate identities. Someone more familiar with this should jump in and correct my misunderstandings...
73 de Dave, N7AIG