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...memcopy(buffer,output,settings.bufferSize()); output is the frame audio to sound (different that the 'output' in capture) buffer store the last frame audio to be used later on capture (look on capture) Echo and preprocess states are conveniently initiated using speex_echo_state_init(fpb,fpb*25) and speex_echo_ctl(es,SPEEX_ECHO_SET_SAMPLING_RATE,&sr) (and, of course speex_preprocess_state_init) Echo state is associated with preprocess state using SPEEX_PREPROCESS_SET_ECHO_STATE What is wrong?

HA! Just when I was getting ready to drop myself from this list, along comes a ham radio question! Shoving digital voice down a 100 Hz pipe would be mighty darned tough/impossible. N0YMV has a good suggestion. Try those WSJT modes. They use narrow bandwidth and are fun to play with. There are documented instances where moon-bounce QSOs have been completed with these modes. No, it's

Here are a few small fixes for issues we found while implementing support for GM20B. The first two are specific to Tegra/GK20A, but the last 3 patches may have a broader (hopefully beneficial) effect. Note that the newly introduced gf100_gr_wait_idle() function on patch 5/5 is exported on purpose. GK20A and GM20B drivers will soon make use of it. Ben, since you seemed to like these changes, a