Re: [Discuss-gnuradio] hdtv tx

2006-11-02 Thread Charles Swiger
Ok, a rough atsc transmitter benchmark: as it is now with almost all the signal processing still taking place in the 0.9 code, that is, one processor running 100% and the 2.0 script in the single digit percent utilization - a 9 second mpeg stream takes 104 seconds to encode. Using 2GHz Opterons.

[Discuss-gnuradio] hdtv tx

2006-11-02 Thread Charles Swiger
Gang - I've been playing with the atsc transmitter and have a few notes to report. First, a good definition of "real time transmitter" would include a firewire video camera, the processing to make an mpeg transport stream (whatever that is, I'm not a video guy), then the atsc_tx out to the usrp a