I took a while to think about how I wanted to respond to the "I am being fairly picky" statement, seemingly indicating that some of us are not. In any event I am also (as are all of the site owners on our system) very picky about our audio. I stand by my statement that we have zero issues with the audio on any of our Pi based systems. I have never generated a tone using the Pi, always rather a high grade tone generator to set audio levels etc... Again, wish that I had a silver bullet for you guys, maybe it's just the luck of the draw? JJC N0PKT On Sun, Feb 4, 2018 at 8:59 PM, Tim Sawyer <tisawyer@gmail.com> wrote:
My experience with the 1khz tone test Skyler mentions is that it sounds crappy on all flavors of hardware running DIAL/ACID/Limey. Only Hamvoip makes a clean 1khz tone. But, has been said on here many times, it's not open source.
On Sun, Feb 4, 2018 at 7:20 PM, Skyler F <electricity440@gmail.com> wrote:
Please realize, I am being fairly picky! Also, please don't mention the HamVoip image, I know they have a precision timer, but it is not open source!
Here is a way to tell for all you out there on a pi,
Hit DTMF *904, and listen to the 1kHz tone. Count how many times it "POPS" or does something other than a pure 1kHz tone over a 30 second period. Report the channel driver you are using.
Skyler
On Sun, Feb 4, 2018 at 8:12 PM, JJC <cummingsj@gmail.com> wrote:
And uptime/load info during an active net tonight on the same system:
$ uptime 20:10:43 up 64 days, 5:18, 1 user, load average: 0.18, 0.18, 0.21
On Sun, Feb 4, 2018 at 4:54 PM, JJC <cummingsj@gmail.com> wrote:
I am using USBRadio on one of the nodes (the first that I checked)and here is my usb info:
*Bus 001 Device 004: ID 0d8c:013a C-Media Electronics, Inc.*
JJC N0PKT
On Sun, Feb 4, 2018 at 3:35 PM, Andrew Sylthe <asylthe@kc9ona.com> wrote:
I've only ever experienced strange audio issues with usbradio, and have never had an issue running simpleusb on the Pi 3.
On Feb 4, 2018 3:51 PM, "Tim Sawyer" <tisawyer@gmail.com> wrote:
I believe stuttering audio only happens on Pi nodes running USBradio. My understanding is the Rasperry Pi does not have enough horsepower for USBradio. SimpleUSB should not a problem but if anyone knows different please speak up.
On Sun, Feb 4, 2018 at 11:53 AM, Dave Maciorowski <wa1jhk@macski.us> wrote:
> Hi All, > > I'd like to know more about your setups, Jay's that are working and > Jon and Skyler's that have issues. Do you use simpleusb or usbradio? What > USB-to-audio interface are you using including the line returned by the > lsusb command. Here's mine: > > Bus 001 Device 004: ID 0d8c:000e C-Media Electronics, Inc. Audio > Adapter (Planet UP-100, Genius G-Talk) > > I ask because I'm chasing an interface issue that might be related. > > Thanks. > > Dave > WA1JHK > > On 2/4/2018 9:47 AM, JJC wrote: > > I wish that I had a magic formula for you. All that I can say is > that we run minimal setups (least possible number of running processes and > installed packages) on the Pis and we are sure to use the correct audio COR > interfaces etc... We also are meticulous in setting up levels using service > monitors of all of the radios themselves. I help to maintain a large > system (That Skyler has used frequently in the past) which is primarily run > on PIs and we have not had any of the issues that you guys are > experiencing. Wish I could be of more help, but I truly do not believe > that it's an issue caused by the Pi. > > JJC > N0PKT > > On Sun, Feb 4, 2018 at 8:57 AM, REDBUTTON_CTRL <jrorke@cogeco.ca> > wrote: > >> I too have had the sputtering audio issues. Mostly it starts to >> degrade over a few days. I have run dial on Pi2 s and HP thin clients. and >> so far all of them need periodic reboots or asterisk restarts to clean up >> the audio. >> >> I am using DIAL Full DSP with tone encode and decode. Some units >> have 2 or 3 or nodes. Even a single node pi does it. >> So if you have a magic set up that fixes this I would like to hear >> about it. >> >> In one case I had to put back a full desk top pc to keep from >> having to re set on a daily basis. >> Pcs dont seem to suffer from the motor boating issue. >> >> Jon VA3RQ >> >> >> On 2/3/2018 9:26 PM, JJC wrote: >> >>> Skyler, >>> >>> I’ll have to disagree with your statements completely. I have not >>> only personally load-tested but I have and know of many high traffic >>> systems that are running with zero “sputter” or issue.l on a Pi. Several >>> have been on the air and running for well over a year. >>> >>> I am also running one system in conjunction with DMRLink and >>> transcoding audio (read a much heavier demand on System resources) from >>> DMR<-> Analog with no “sputter”. Granted the transcoding is offloaded to >>> a separate chip but nonetheless. On all of these systems running on a Pi 2 >>> or 3 the system load from asterisk, DMRLink etc all combined never exceeds >>> 15% and the audio is always clean ( not withstanding network craziness ). >>> >>> So having said all of this I would look elsewhere for what may be >>> causing your audio ailments. I can’t really point you in a specific >>> direction other than to review overall system load and performance inline >>> with general system administration best practices. And of course standard >>> troubleshooting methods of hardware swapping/testing and validation. >>> >>> JJC >>> N0PKT >>> >>> Sent from the iRoad, so please ignore any typos or awesome >>> autocorrects >>> >>> On Feb 3, 2018, at 18:19, Skyler F<electricity440@gmail.com> >>>> wrote: >>>> >>>> At this point, I don't think the raspberry pi audio is as good as >>>> it could be on the raspberry pi. Even with a pi 3 on the best settings in >>>> usbradio, it will sputter every once and a while I realize Doug has >>>> implemented a precision timer, however, his image is not open source, and I >>>> cannot modify, therefore not an option for me. >>>> >>>> What is the best mini computer hardware available for reasonable >>>> prices nowadays that I could use in place of the pi? The raspberry pi arm >>>> architecture just does not seem to cut the current versions of AllStar and >>>> DAHDI. I realize how picky I am being, but I am sort of going crazy by some >>>> raspberry pi nodes i've put together with crazy sputtering issues. And the >>>> telemetry sometimes sounds like it is played at 1/2 speed. U >>>> >>>> Usbradio and simpleusb have their different problems, but neither >>>> seem to work ok. I would actually argue usbradio works better on the pi >>>> because it does not have an unreliable duplex audio delay. >>>> >>>> Do ATOM processers work well? Best suggestions here for something >>>> lightweight and non power-hungry? >>>> >>>> Thank You! >>>> Skyler KDØWHB >>>> >>>> >>>> _______________________________________________ >>>> App_rpt-users mailing list >>>> App_rpt-users@lists.allstarlink.org >>>> http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rp >>>> t-users >>>> >>>> To unsubscribe from this list please visit >>>> http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rp >>>> t-users and scroll down to the bottom of the page. Enter your >>>> email address and press the "Unsubscribe or edit options button" >>>> You do not need a password to unsubscribe, you can do it via >>>> email confirmation. 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