[digitalradio] Re: Digital high frame rate video via amateur radio

2007-12-16 Thread Bruce Sawtelle
FYI, here's another data point. We are passing 1280 x 720 @ 30 fps over a 1Mbps line using H.264 compression. As the new standards evolve, maybe this will help on the VERY low bandwidths available to us on ham radio. If we use CIF or QCIF resolutions, the bandwidth requirements can be dropped even

[digitalradio] Re: Digital high frame rate video via amateur radio

2007-12-15 Thread cesco12342000
oops .. those numbers are wrong. I did mix up kbyte and kbit. The video may be limited to less than 1 frame / sec.

[digitalradio] Re: Digital high frame rate video via amateur radio

2007-12-15 Thread cesco12342000
> How far off are we > from a day when we can do digital video and voice, video with > perhaps a 5 frames a second rate ? Decades ? A highly jpg compressed 160*80 picture is about 1.2k At 5 frames/sec this is 6kb/sec. By using the P and I frames concept this could maybe be lowered to 3kb/sec. A