On Wed, May 26, 2010 at 02:43:13PM +0700, Muhammad Najib wrote: > Thank you for your previous response, > > About the algorithm,, it's rather straight forward without > modification from the textbook > 1. for the usrp, i use decimation of 8, with tuning frekuency at the > middle of the channel(706MHz). > 2.1 using 2 sine signal source, i shift video and audio carrier to 0Mhz. > 2.2 using sine and cosine signal source, i take the u and v signal. > 3. audio demod using wfm_rcv_pll > 4. video demod using tv_rcv+synch > > in total, there are 4 sine/cosine signal generators, 5/6 filters, few > operators. > > without color decoding, i've already got video and audio playing, > my question is which block gives the most load to the CPU? > is the additional signal generators add so much load ?
oprofile will help you figure this out. Eric _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
