Hi Alan, There is no need for all the details of your hardware, it's not relevant. It won't run on RPi like systems - too much CPU load, and possibly other issues with sound.
It's running fine on x86 Ubuntu 17/18, Fedora 29/30, and Windows. Cheers, David On 28/05/19 06:39, Al Beard wrote: > Hi all, > * > * > *This is no fun at all....* > * > * > *Armbian on the M2 Berry here: > * > *cat /etc/debian_version* > *9.9* > *cat /proc/asound/cards > 0 [Device ]: USB-Audio - C-Media USB Audio Device > C-Media USB Audio Device at usb-1c19000.usb-1.2, > full speed > 1 [S3 ]: USB-Audio - Sound Blaster Play! 3 > Creative Technology Ltd Sound Blaster Play! 3 at > usb-1c19000.usb-1.4, full spee > * > * > * > *Though the FreeDV2020 app runs without crashing, I get no audio in from > either device.* > * > * > *Groups, I'm a member of these:* > * > * > *dialout:x:20:alanb > audio:x:29:alanb > plugdev:x:46:alanb > * > * > * > *======================= OK then =============* > * > * > *What Linux systems are people using successfully?* > * > * > *Please, what Linux version and what hardware?* > * > * > *Alan VK2ZIW > * > * > * > * > * > * > * > * > * > * > * > *On Mon, 27 May 2019 07:15:40 +0200, gerhard wrote* >> Hi Alan, >> Tnx for instructions. I will try that today. >> 73's >> Gerhard OE3GBB >> >> >> Am 27.05.2019 04:01, schrieb Al Beard: >> *Hi Gerhard,* >> > * >> > * >> > *Virtual Audio Cable ... on Linux.* >> > * >> > * >> > *Oh the Windoze world ..... VAC is a Windoze term.* >> > * >> > * >> > *It is the "loopback" device, part of the ALSA system since Day 1.* >> > * >> > * >> > *Though, never setup on "out of the box" systems.* >> > * >> > * >> > *Add a file to /etc/modprobe.d/ "snd-aloop.conf"* >> > *with contents "snd-aloop"* >> > * >> > * >> > *and reboot (the easiest way).* >> > * >> > * >> > *When booted up again check for it loading, do:* >> > * >> > * >> > *cat /proc/asound/cards* >> > * >> > * >> > *It will give you 32 channels of "loopback".* >> > * >> > * >> > *You are right though, the Linux sound system is hard to get one's >> head around.* >> > * >> > * >> > *With the kernel level drivers (ALSA).* >> > *Then the "user level" PulseAudio which by default, "claims" all the >> devices.* >> > * >> > * >> > *The your application can either get a list of devices available >> from either of Pulse* >> > *or ALSA.* >> > * >> > * >> > *In short, tricky.* >> > * >> > * >> > *And, just to annoy me, the "snd-aloop" kernel driver is not >> available in Armbian.* >> > * >> > * >> > *Alan VK2ZIW* >> > * >> > * >> > * >> > * >> > * >> > * >> > * >> > * >> > * >> > * >> > *On Sun, 26 May 2019 15:09:17 +0200, gerhard wrote* >> > > Hi Alan, >> > > Great to hear that mode2020 is running on a Banana Pi! >> > > I was able to install on Ubuntu 18.04 on a I5-8350. Hardware was just >> > > for € 350,- direct from China. >> > > Made some tests in mode 2020 with WebSDRs and on QO-100 satellite. >> > > I am still having problems with correct tuning. Also VAC is not working >> > > on >> LINUX, so I had to make analog connections - quite noisy. >> > > Do you have any information what to use for VAC unter LINUX? I have been >> > > trying a >> virtual sink on pulsaudio, but it didn't work correctly as I didn't >> see the audio device in FreeDV. >> > > Any other methode to use virtual audio cable on Ubuntu? >> > > regards >> > > Gerhard OE3GBB >> > > >> > > >> > > Am 26.05.2019 13:59, schrieb Al Beard: >> >> >> > > Well, >> > > >> > > After a bit of "hacking" removing the "impossible >> instructions" trying >> > > to determine is this system (not Intel or AMD) has AVX/AVX2 in >> the >> > > FreeDV GUI Ver 1.4, it actually runs and doesn't crash in 2020 >> mode. >> > > >> > > At this point, I have what looks like a working FreeDV 2020 app. >> > > >> > > No success on Fedora 29 on an i3 8100 or Ubuntu 18.04 on a >> current Pentium >> > > bought last week. H110 motherboard, bought for this job!! >> > > >> > > Both crash often and always when [Stop] is pressed. >> > > >> > > CPU load on the Berry, running a remote X session (ssh -Y >> user@host ) >> > > in 2020 mode, no audio from a real radio yet. >> > > With Waterfall: 60% of one CPU core >> > > With Spectrum: 30% or one CPU core >> > > >> > > In short, light load. >> > > >> > > Alan VK2ZIW >> > > >> > > On Thu, 23 May 2019 15:28:00 +1000, Al Beard wrote >> >> Hi all, >> > > >> > > Can somebody compile this up and test please? >> > > >> > > You will need "rtaudio" package installed >> > > >> > > http://www.music.mcgill.ca/~gary/rtaudio/ >> <http://www.music.mcgill.ca/%7Egary/rtaudio/> >> > > >> > > And of course, the Codec2 2020 library with LPCnet. >> > > >> > > Then just a Linux PC with a stereo audio interface and >> speaker. >> > > >> > > Do a Tx in 700D mode and note the audio. >> > > Then try 2020 mode. >> > > >> > > All I get is blurt, silence, blurt, silence etc.. >> > > >> > > I want this app working for a portable setup ie. no PC or >> laptop. >> > > A Pi. >> > > >> > > Alan VK2ZIW >> > > >> > > On Thu, 23 May 2019 12:48:01 +1000, Al Beard wrote >> >> Hi all, >> > > >> > > Not so fast... >> > > >> > > On this Asus H110M-A system with a Pentium G4560 @ >> 3.50GHz >> > > we only have USB3 ports: >> > > >> > > 3 [S3 ]: USB-Audio - Sound Blaster Play! 3 >> > > >> > > The audio from "fdvcore" is "bitsy", not the nice smooth >> > > audio when the same USB dongle is on the Armbian >> system (Banana Pi >> > > M2 Berry) >> > > >> > > FreeDV 2020 GUI on Armbian >> > > ========================== >> > > >> > > Though the "cmake" system searches for AVX/AVX2 or Neon, >> > > when doing "make" impossible instructions (for the >> x86_64 CPU) >> > > can't be assembled in fdmdv2_main.cpp as I recall. >> > > Git: git rev-list --count HEAD >> > > 1922 >> > > >> > > Somebody has got to give it a go.... >> > > >> > > Alan VK2ZIW >> > > >> > > --------------------------------------------------- >> > > Alan Beard >> > > >> > > OpenWebMail 2.53 >> > > >> > > _______________________________________________ >> > > Freetel-codec2 mailing list >> > > [email protected] >> <mailto:[email protected]> >> > > >> https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >> >> >> > > --------------------------------------------------- >> > > Alan Beard >> > > >> > > OpenWebMail 2.53 >> >> >> > > >> > > --------------------------------------------------- >> > > Alan Beard >> > > >> > > OpenWebMail 2.53 >> > > >> > > _______________________________________________ >> > > Freetel-codec2 mailing list >> > > [email protected] >> <mailto:[email protected]> >> > > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >> >> >> > >> > --------------------------------------------------- >> > Alan Beard >> > >> > OpenWebMail 2.53 >> > >> > >> > >> > _______________________________________________ >> > Freetel-codec2 mailing list >> > [email protected] >> <mailto:[email protected]> >> > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > > > > --------------------------------------------------- > Alan Beard > > OpenWebMail 2.53 > > > > > > _______________________________________________ > Freetel-codec2 mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > _______________________________________________ Freetel-codec2 mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/freetel-codec2
