I'm looking to decode NTSC with my gnuradio. I found this
an older USRP and gnuradio version to decode NTSC and PAL.
I was able to mangle his script a bit to run with newer gnuradio
and UHD. (I hard-coded in some of the parameters for quick
testing, it needs some polish once completed).
However I still just get a black screen, so we're not
all the way there yet.
Anyone around familiar with this code? The original code seemed
to have a sample rate of around 1Ms/sec (ie. adc rate 64M decimated
64 times, if I read the code correctly). Is this enough for a tv signal?
It looks like an NTSC channel is around 6M wide (with color and