Hi, Regarding to this problem, I tried to use UDP sink to replace Audio sink or Wave file sink, then try to receive audio in on another computer with decoding software by VLC.
When I run the VLC with command : vlc --demux=rawaud --rawaud-channels=1 --rawaud-samplerate=48000 udp://@:7355 I was able to here the sound coming from VLC, however, the sound was choppy, the same with audio under-run. Does anyone have explanation for this ? I set the UDP sink with these parameters: Payload size :1500 Send NULL Pkt as EOF : True Vec length : 1 Thanks a lot, Hoang On Thu, Oct 15, 2015 at 10:53 AM, Hoang Nguyen Tran <hoangn...@gmail.com> wrote: > Hi Marcus, > > I put a variable for that, and usually I put in 24kHz for signal bandwidth > in Low Pass filter. > > > > > On Thu, Oct 15, 2015 at 10:46 AM, Marcus Müller <marcus.muel...@ettus.com> > wrote: > >> Hi Hoang, >> >> are you sure you want to reduce the FM signal bandwidth to 6kHz in the >> Low Pass filter? >> >> Best regards, >> Marcus >> >> >> On 10/15/2015 04:38 PM, Hoang Nguyen Tran wrote: >> >> Hi Tom, >> Thank for replying, Below is my narrow band fm receiver base on nbfm rx >> from http://www.oz9aec.net/ >> I was able to receive and decode with ISS and other sat with 1200 baud >> rate, but did not success with 9600 baud rate. >> >> On Thu, Oct 15, 2015 at 10:11 AM, Tom Rondeau <t...@trondeau.com> wrote: >> >>> On Wed, Oct 14, 2015 at 2:47 PM, Hoang Nguyen Tran <hoangn...@gmail.com> >>> wrote: >>> >>>> Hi all, >>>> >>>> I have question related to audio bandwidth cutoff. >>>> Yesterday, I received very good signal from STRaND satellite 9600 bps, >>>> FSK modulation. >>>> I used audio sink to record the signal then used it for decoding. >>>> However, I was unable to decode signal, then I ask some another ham >>>> radio expert and he said because of my audio bandwidth cut off for some >>>> unknown reason is 3000 so it is unable to decode. >>>> >>>> Do anyone know why and how can I change the audio bandwidth cut off ? >>>> I used the normal WAV file sink with set up: sample rate 48000, N >>>> channels : 1 and Bít per sample 16. >>>> Thank for your time and I appreciate any comment. >>>> >>>> Best regards, >>>> Hoang >>>> >>> >>> Hoang, >>> >>> It's nearly impossible to help you here since you've given us no >>> information on your setup. Yes, sample rates and filter bandwidths matter >>> in this. You've likely got some numbers in your flowgraph wrong. >>> >>> Tom >>> >>> >> >> >> >> -- >> -HoangNT- >> PhoneNo : +841654248782 >> Skype : hoangastro >> FB : https://www.facebook.com/kenshin.rorouni >> >> >> _______________________________________________ >> Discuss-gnuradio mailing >> listDiscuss-gnuradio@gnu.orghttps://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> > > > -- > -HoangNT- > PhoneNo : +841654248782 > Skype : hoangastro > FB : https://www.facebook.com/kenshin.rorouni > -- -HoangNT- PhoneNo : +841654248782 Skype : hoangastro FB : https://www.facebook.com/kenshin.rorouni
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