Done. https://github.com/gnuradio/gnuradio/issues/1314
regards On 17/05/17 14:25, Marcus Müller wrote: > Hm, I'd call that a bug. Throttle should *not* change the behaviour of a > system. and especially, it should *not* be required in a hardware > rate-limited flow graph. > > Would you be as nice as to open a bug on > https://github.com/gnuradio/gnuradio/issues ? I'd like to keep track of > this. > > Best regards, > > Marcus > > > On 17.05.2017 14:18, Fernando wrote: >> On 15/05/17 21:57, Cinaed Simson wrote: >>> On 05/15/2017 09:50 AM, Fernando wrote: >>>> On 15/05/17 05:33, Cinaed Simson wrote: >>>>> On 05/14/2017 01:06 PM, Fernando wrote: >>>>>> With 8 samples/symbol there was aU and CPU at 94% (I have three AMD >>>>>> cores> I have reduced it to 2 s/s as suggested Cinaed, then aU >>>>>> dissapear and >>>>>> CPU is at 70%, sound is a little better but still intermittent. >>>>>> File is sampled at 44100 and with direct connection from wav file source >>>>>> to audio sink (everything else disabled) it plays fine >>>>> Try turning on the throttle and see what happens. >>>>> >>>>> >>>> it works!!!!!! >>>> why???? Should not be limited by the sound card? >>>> >>>> It report a warning: >>>>>>> Warning: This flow graph contains a throttle block and another rate >>>> limiting block, e.g. a hardware source or sink. This is usually >>>> undesired. Consider removing the throttle block. >>>> >>>> but it keeps the CPU under 40% and works fine. >>>> Even with samples/symbol set to 8 it has go to 95% CPU but it has worked >>>> some seconds until it has begun to show aUaU. >>>> >>>> >>>> regards >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> Discuss-gnuradio mailing list >>>> Discuss-gnuradio@gnu.org >>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>>> >>> Don't know. But you can't use a re-sampler because you don't know the >>> rate flowing into the audio card. >>> >>> Try setting the sampling rate to 48 kHz, i.e. set the throttle rate to >>> 48 kHz, and then under the properties for the audio sink, use the pull >>> down menu and set the audio card to 44.1 kHz. And leave the sps set to 8. >>> >>> If that works, then try disabling the throttle and setting the sampling >>> rate of the audio card to 48 Khz - leaving the sps set to 8. >>> >>> If it doesn't work try setting the sps to 2, no throttle and audio card >>> set to 48 KHz. >>> >>> Use whatever works - but ideally without a throttle. >>> >> It work both 2samples/symbol and 8s/s but only with the throtle. (with >> 8s/s the system is nearly overloaded, 85-90%CPU) >> With throtle and 2s/s system is 60-80% CPU but sound is intermittent. >> OK, it works although I don't know why. I'll remember trying a throtle >> in other situations if something strange happen >> >> regards >> >> >> >> >> >> >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
