Network connection causing SDS200 to go deaf.

[r6daddy]

Will do. Good info.
Day 2 since restarting scanner and audio is good.

 

[r6daddy]

Status report 8:45 PM, EST
Last time scanner was power cycled was 12/19, 1:10 PM, EDT.
Audio stopped at 8:45 PM today.
I had a chance to run several tests and have included a zip file with screen captures.
I have descriptions of each capture in the file name.
Last step...After power cycling the scanner to try VLC again (it worked), I opened ProScan and there was no audio and an error popped up like file #7 stating there was a loss in LAN audio. Probably normal since VLC was still open. I closed VLC and still no audio and same error from VLC.
Power cycled scanner. Started ProScan and audio returned.
My observation is that a situation similar to what occurred at the end of the tests (no audio even after closing VLC) is occurring and hijacking the port and shutting down audio until another power cycle occurs. In all cases when audio is lost, no audio is available locally and at ProScan.
Obviously, I don't know how ProScan works inside the code but that's my guess.
I can go one step further and shut down ProScan and unplug the network cable to see if it's a scanner issue.
I could also leave ProScan off and keep VLC running and wait to see if there is another loss of audio.
Please advise.

 

[r6daddy]

I'll wait for your reply.

 

[ProScan]

Status report 8:45 PM, EST
Last time scanner was power cycled was 12/19, 1:10 PM, EDT.
Audio stopped at 8:45 PM today.
I had a chance to run several tests and have included a zip file with screen captures.
I have descriptions of each capture in the file name.
Last step...After power cycling the scanner to try VLC again (it worked), I opened ProScan and there was no audio and an error popped up like file #7 stating there was a loss in LAN audio. Probably normal since VLC was still open. I closed VLC and still no audio and same error from VLC.
Power cycled scanner. Started ProScan and audio returned.
My observation is that a situation similar to what occurred at the end of the tests (no audio even after closing VLC) is occurring and hijacking the port and shutting down audio until another power cycle occurs. In all cases when audio is lost, no audio is available locally and at ProScan.
Obviously, I don't know how ProScan works inside the code but that's my guess.
I can go one step further and shut down ProScan and unplug the network cable to see if it's a scanner issue.
I could also leave ProScan off and keep VLC running and wait to see if there is another loss of audio.
Please advise.

Two issues here:

Issue 2 - Connection issues with ProScan and VLC simultaneously using the scanner LAN audio
I'll address this issue first as it's easier and nothing can be done about it in ProScan. The scanner RTSP permits only 1 app at a time to access the scanner LAN audio. So If using VLC then ensure the audio services in ProScan (Recorder, Web Server, Source Client, RSOIP) Input Device are not set to URL. And likewise with ProScan, when using ProScan for the LAN audio, unload VLC. The RTSP code module is finicky and may need a scanner power cycle to restore the audio.

Issue 1 - This is the original problem with loss of audio out of the scanner speaker after running ProScan for a few days. One person reported that the problem was fixed when he reverted back to 17.6 from 17.8

This is the problem I want to focus on.

Audio stopped at 8:45 PM today.
Is that because of the connection problem using VLC or is it, no audio out of the scanner speaker?

When testing, don't use VLC because that will invalidate the test. Leave ProScan version 16.7.3 running for at least a week so the test is more conclusive or until loss of audio out of the speaker. If no audio out of the speaker then send VOL,5 and look for VOL,OK then listen for audio.

{edit} Bottom line is you can use ProScan or VLC for testing the scanner LAN, but not both at the same time. The VLC method may not be conclusive as it doesn't use the serial port and the processor/and memory doesn't need to work as hard. If using the VLC method, you still can use ProScan but not using it with the scanner audio LAN.

 

[r6daddy]

Sorry if my explanation was not clear. I tried to describe by submitting screen captures with file names for descriptions.
The audio did stop yesterday, after only two days after the last power cycle. After it stopped, I followed your instruction for entering VOL,5.
I received the VOL, OK response and the volume changed to 5 at the scanner however the audio did not return at the scanner or at ProScan.
I then tried VLC and it would not connect until I shut down ProScan and power cycled again. Even when ProScan was shut down, a power cycle was required to successfully connect with VLC.

 

[ProScan]

Sorry if my explanation was not clear. I tried to describe by submitting screen captures with file names for descriptions.
The audio did stop yesterday, after only two days after the last power cycle. After it stopped, I followed your instruction for entering VOL,5.
I received the VOL, OK response and the volume changed to 5 at the scanner however the audio did not return at the scanner or at ProScan.
I then tried VLC and it would not connect until I shut down ProScan and power cycled again. Even when ProScan was shut down, a power cycle was required to successfully connect with VLC.

Thanks for the update and testing. So you are saying that ver. 17.6.3 shows no change in the symptoms. Is that correct? Sorry if it sounds redundant or anything. I just need to be absolutely sure on this. I've received an email a while back stating that the scanner is doing the same thing with 16.7.3. I didn't want to say that earlier that could tant the process or discourage any testing. Only thing I can think of is the scanner firmware. You can try testing with VLC to see if it produces the same problem and use ProScan at the same time. Just use an audio cable and sound card input with ProScan when testing with VLC.

{edit} Let us just say there is a flaw in ProScan. I would think the scanner should still output audio via the internal speaker.

 

[r6daddy]

Update:
After seven days, VLC has been connected to the SDS200 and audio is present at both the scanner and PC via Ethernet. It appears that the most recent test results conclude that the audio cutting out when connected to ProScan is not a fault in the scanner. At this point, I will upgrade to the most recent version of ProScan and will resume upgrading as new upgrades are released. I will power cycle my scanner daily so the audio remains available locally and at ProScan. I am still very happy with ProScan and will continue to use it and recommend it. Thank you for your assistance.

 

[phd-2]

phd-2, Can you swap the SD card between the SDS200s to see if the problem follows?

This didn't help. And also, this isn't a Proscan related problem at all here. The radio will fail even when running standalone. Swapping the SD card did nothing - the new SDS200 continues to fail after a day or if i get lucky maybe a week of continuous runtime. The other SDS200 I've had for over a year continues to work and has never encountered this problem. Both are connected to the same version of Proscan. There are other thread here on RR where people have encountered this issue. When this happens ALL scanner audio goes silent. It's not the amplifier or any other downstream component. Replay and record don't work on the scanner, audio is silent over RTSP, the speaker jack, headphone jack and built in speaker - no matter what the volume is adjusted to. I'm going to just contact Uniden tomorrow for service. It'll be a bummer to be without the radio for a bit thanks to the fact I have another here to compare and troubleshoot with I can tell you this one is just defective.

 

[Remscan]

I know this is a late post, but I have software I wrote, and the Analog channels lose audio and won't return unless the scanner is power cycled.
The digital decoding still works fine. I wonder if you lost audio on just analog or both. Maybe something to do with the LAN just being active??
Not Proscan software.

John

 

[phd-2]

I know this is a late post, but I have software I wrote, and the Analog channels lose audio and won't return unless the scanner is power cycled.
The digital decoding still works fine. I wonder if you lost audio on just analog or both. Maybe something to do with the LAN just being active??
Not Proscan software.

John

So it did turn out on mine that it's analog only - the other SDS200 I had that never exhibited this problem was never monitoring analog. Once I tried, it fails too. I have dug up quite a few posts of people who see this problem on their SDS200. It *SEEMS* to be when there is an active LAN connection only (?). I'm starting to believe this is a straight up bug and likely happens to all SDS200's under the right conditions. For that reason I didn't send my unit to Uniden. I'm trying to figure out a good route of contact to get them to investigate this. The repro case for this takes from a day or two to a week or more sometimes so it's slow going trying to isolate it as there are legit reasons to restart my radios often. Right now I have isolated them to VLANs to reduce traffic to only my Proscan machine to them to see if that helps. I have another piece of older, unsupported equipment where the device crashes when an Android device does a Upnp enumeration of it. In that case, putting it onto a VLAN prevents it from getting those packets. I figured I'd try the same for the SDS200 but I haven't had a long enough run to tell if it's helped anything just yet.

 

[chrs493]

Is your 200 updated on firmware? Another thing to try is to disable all remote feeds, webserver, etc. Just have ProScan connect to the scanner for audio and tracking. Let's start there and see if we can find what is causing it.

For what it's worth, I use ProScan mainly for recording, history tracking, and editing my favorites with my 200. I haven't seen this issue yet.

I am having this issue and so are a few others. Mine is not connected to anything.

 

[chrs493]

I am having problems with my SDS200 going completely deaf after 18 to 24 hours of being on. The problem is something with the network connection. If the network cable is unplugged from the SDS and it is restarted. It will run continually for over a week with no problems. If I plug the network cable back in the SDS has audio for less than a day. I am running ProScan. I installed ProScan on a 2nd PC on my network. The SDS does the same after 18 to 24 hours, it is deaf. I can see the SDS stops on a channel on then display and the history in ProScan shows the SDS stopped on frequencies, but there is no audio from the SDS. I also tried a Weather search when it goes deaf, there is no audio either. The search will stop on frequency but no audio until rebooted. I have checked it with a 2nd scanner with the same frequencies to verify there is audio on the frequency when the SDS has no audio.

I have had the SDS for about 2 months. The SDS has been on my network and I have been running ProScan since I received the SDS. The audio issue started about 2 weeks ago. Nothing with the SDS or my network has changed in the last 2 months.

Did you find the solution? Mine is doing it to. Not connected to anything.

 

[belvdr]

I am having this issue and so are a few others. Mine is not connected to anything.

What do you mean by not connected to anything?

 

[chrs493]

As in just using it as desk top. No speakers no cables. Its been working great then this week decides to go deaf.

 

[belvdr]

As in just using it as desk top. No speakers no cables. Its been working great then this week decides to go deaf.

Ok that may be a hardware failure. Have you powered it off and unplugged it for a few minutes? What antenna are you using?

 

[phd-2]

As in just using it as desk top. No speakers no cables. Its been working great then this week decides to go deaf.

Yep. In my experience they all seem to do this if they are left undisturbed. I have 2. I thought it was only one of them but what I was missing is that it's only the Analog frequencies where audio output stops. Once I added some Analog to my other one I found that it also did it. A cursory look around RR and within this thread shows this is not uncommon. It's most likely a bug and if I had a decent contact at Uniden such that they'd investigate I'd reach out to them. I have had periods as long as about 2 weeks of run time where they continue to work before the audio stops, however it's usually 3-7 days.

 

[jtwalker]

Doesn’t happen with my 200’s but I only have a handful of analog/conventional channels on them. Strange indeed.

 

[kd8wlu]

I'm experiencing the same issue with no audio from ProScan, and the hardware device itself (SDS200) stops playing received audio. I've replaced the SDcard with a new one and it's now a SanDisk name brand. I'm running the following versions:
SDS200 Firmware Main version: 1.21.00
SDS200 Firmware Sub version: 1.02.01
ProScan 20.07 (registered to my name)

I ran this SDS200 scanner for a year without any issues, not connected to the network, as a standalone. After networking the SDS200 and controlling it from ProScan, I now have audio stopping issues after 1-2 days of running.

 

[ProScan]

I'm experiencing the same issue with no audio from ProScan, and the hardware device itself (SDS200) stops playing received audio. I've replaced the SDcard with a new one and it's now a SanDisk name brand. I'm running the following versions:
SDS200 Firmware Main version: 1.21.00
SDS200 Firmware Sub version: 1.02.01
ProScan 20.07 (registered to my name)

I ran this SDS200 scanner for a year without any issues, not connected to the network, as a standalone. After networking the SDS200 and controlling it from ProScan, I now have audio stopping issues after 1-2 days of running.

Glad that you swapped SD cards and that didn't make a difference so that could be ruled out.

Do you have audio out of the scanner speaker?
Is it just the analog, or P25, or both types of channels that have no audio?

 

[kd8wlu]

Glad that you swapped SD cards and that didn't make a difference so that could be ruled out.

Do you have audio out of the scanner speaker?
Is it just the analog, or P25, or both types of channels that have no audio?

Audio output (3.5mm) is disconnected. We monitor using the built-in speaker and publish the RTSP stream to Broadcastify using ProScan's built-in functionality.

We're monitoring P25 analog VHF only. I had cooperating agencies that work off trunked digital 800 in the scan list, but I've removed them temporarily to troubleshoot the issue. All channels (analog and digital) lose audio after >24 hours of continuous operation.