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TOPIC: Receive audio splitches

Receive audio splitches 01 Dec 2021 22:46 #31

  • VK6NX
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k5rhd wrote:
I am talking about the static that used to happen while performing OTHER functions on the computer like: moving the mouse, changing focus between screens, doing anything that involves network traffic increases, etc.locally on the Mac-not my LAN. It sounds like a dirty potentiometer when you turn one. You know, the kind that had to be cleaned out with de-OXit?

Sorry, my bad, I did not realise we are talking about ESDR2.

Yep, I have same issues (with Catalina and up) under ESDR2 (and under ESDR3 - much less, but still there). The most noticeable when ESDR gets "off focus". Much less noise and takes longer to appear if switched to any app withing same virtual desktop and much quicker and louder if switched to another virtual desktop. It is also explainable why most users detecting cracklings - are CW users. Simply because (unless paddle in use) most of them are using various sort of programming keyers, triggering ESDR "off focus".

The only found way to fix it under Mac - return ESDR "in focus". However, issue remains repeatable - you will get cracklings again as soon as ESDR goes "off focus" next time.

There are two news to the above issues - bad and very bad.

Very bad news is that it is highly unlikely ESDR2 to be fixed. It appears (at this point of time at least) that EE does not listen to arguments of seamless migration and decided to do nothing with ESDR2.

Bad news is that up until now it is not known if the issue is actually because of EE code, or it is more global, and root cause is in Qt. (Unless EE had found anything during last 3 weeks). There are "pro" and "contra" the issue is in Qt: for example I have same crackling symptoms in other Qt-based applications under certain conditions.
Good news to that bad news - (and if) it is Qt, then they will fix it rather sooner than later.

I just wonder why no crackling was reported by linux users...
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Receive audio splitches 02 Dec 2021 00:15 #32

  • N8SDR
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Tom_G0JSV wrote:
Referring back the original post by Bob, 5B4AGN I have also noticed these audio glitches using both v2 and v3 versions of the software.

Intel(R) Core(TM) i7-7567U CPU @ 3.50GHz 3.50 GHz
16.0 GB (15.9 GB usable)
Windows 10 Pro - 20H2

I run 2 subnets. 192.168.1 & 192.168.2.

.2 (Ethernet 1GB) is reserved for radios.

.1 (Wireless and used for email/printing) is usually disabled.

But I too have noticed that if I start another program on the PC running ExpertSDR, i.e. Chrome or Edge, ExpertSDR is seriously degraded with audio splitches/glitches.


Tom.

Tom / All windows users the Below suggestion is for windows 7/8/8.1/10/11
Go into windows and under your sound services, TURN OFF: the option to give EXCLUSIVE control" kill it off!
Chrome is really bad about this, but the fault lies with Windows and the way it manages /routes sound.
Turning that option OFF will help, sometimes a GREAT DEAL!

1. Open Control Panel > Hardware and Sound > Sound and click on the Playback tab
2. Select the Apollo from the list of audio devices and then click Properties
3. In the Properties window, go to the Advanced tab and un-check the option to "Allow applications to take exclusive control of this device"
4. Click OK to Apply the settings
5. Back in the Sound window, click on the Recording tab and repeat steps 2-4
Once complete, restart your computer for the changes to take effect.
(Every audio device in windows I turn that off ) on my systems

Note if windows should happen to update your sound card driver(s) there is a chance it will re enable it so check from time to time, the sharing of devices between applications and then one of them grabbing it with exclusive control is just an overall shitty thing to have happen
73 Rick
Last Edit: 02 Dec 2021 00:20 by N8SDR.
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Receive audio splitches 27 Dec 2021 19:09 #33

  • Walt W0CP
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Just wanted to say thanks to DaveVK for your post. I was experiencing crackling on strong signals, when moving the mouse, and when running other programs. After changing the registry setting it has largely been cured. I can still recreate the problem if I open my photo editor so it does appear to be related to resources, but no longer a problem. I am running ver2, DX, and an I5 with 32gb of ram.
Last Edit: 27 Dec 2021 19:13 by Walt W0CP.
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Receive audio splitches 13 Mar 2022 20:02 #34

  • ArturPL
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Hi
I have been a SunSDR2DX user for 2 months and I managed to solve this problem (crackles of sound while scrolling WWW Firefox Win 8.1 64bit, Intel 3.4GHz 8Gb RAM, resembling electric crackles or a crumpled thin candy foil, interestingly in the ExpertV3 version this problem is not for me present, only ExpertV2)
This is not the fault of the network card because I have the same when I connect with Wifi 2.4G or 5G, or ethernet 1G or 100M
Here is the description:
Quick solution:
- open the task manager (right click on the windows bar), go to the details tab, find the ExpertSDR2.exe file on the list of processes, then hover the mouse over it, right click- find the -Set priority- option on the list and change it from normal to high. Do not change to the -Realtime- mode as the system may become unstable. For me, it was enough to change the ExpertSDR2 process, but in Windows 10 it may not be enough and then the Chrome or Firefox browser process (a dozen or so of them is launched, look for the one with the highest memory consumption, this is the main process) you need to change from Normal to Low.
The downside to this solution is that you have to do it all over again after you turn off your computer.

Second, permanent solution.

1.You must first set the visibility of file extensions in the system, if you do not have it yet.
Go to any folder on your computer, select VIEW and check the box on the right - File name extensions-, you can now close this folder.
2. On the desktop, create a new text document with a notepad, change its name, e.g. SUN2.txt, enter this file and write in the line from the top:
start/high ExpertSDR2.exe
Save this file and exit it.
3. Now change the extension of this file SUN2.txt to SUN2.bat, the system will ask if you are sure, select YES!
4. TURN OFF if the ExpertSDR2 program is enabled, because now you need to find the folder where the ExpertSDR2.exe file is installed, by default it is in: This computer / Local disk ( C : ) / Program Files / ExpertElectronics / ExpertSDR2 /
5. Leave the folder you are looking for open and move the SUN2.bat file to it from the desktop
6. Create a shortcut to this file on the desktop, because now you need to run the ExpertSDR2 software from it so that the system gives it a high priority, and if the new shortcut to the program is hardly visible, hover the mouse over it (right click, properties, change the icon ) FINISHED!
Forget about the factory shortcut from now on.

Launch your SDR from this new shortcut
There is silence in the headphones ... nothing creaks

In Windows 10, if you are using Chrome and scrolling pages you still hear crackling noises (much less than before this trick, the solution may be the same operation for Chrome.exe but instead of giving it a high priority, type in the .bat file
start/low Chrome.exe

Let me know if it helped
greetings
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Receive audio splitches 31 Mar 2022 05:07 #35

  • Brian
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I also have it on the Mac and PC. But only on the same computer . If I use the pc next to it and the radio is on Mac it don't do it, or increase traffic on the home network will not effect it.
Hope to get a fix for it.
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Receive audio splitches 03 Apr 2022 03:50 #36

  • ng7e
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I run an HP workstation within 64Gb of Ram, dual 16 core Xeon processors and had ALL kinds of popping when using VAC to communicate with WSJT. while this may not be your problem, it affected my FT8 transmissions horribly. Once I updated the VAC software to the latest, 110% of my popping was GONE, the VAC control panel also no longer displayed any overruns or underruns. IT may be worth investigating...

73,
O.C. - NG7E
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Receive audio splitches 04 Apr 2022 07:35 #37

  • e72x
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ng7e wrote:
I run an HP workstation within 64Gb of Ram, dual 16 core Xeon processors and had ALL kinds of popping when using VAC to communicate with WSJT. while this may not be your problem, it affected my FT8 transmissions horribly. Once I updated the VAC software to the latest, 110% of my popping was GONE, the VAC control panel also no longer displayed any overruns or underruns. IT may be worth investigating...

73,
O.C. - NG7E

What VAT software are you using?
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Receive audio splitches 05 Apr 2022 00:55 #38

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Virtual Audo Cable
vac.muzychenko.net
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