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[htnut]

Great job Manni!  Way to go the extra mile! 

HTNut, try a clean install and let us know how it goes!

Clean W10 install on an older PC with an AMD gfx card.  I allowed windows to perform all updtaes, turned off all power savings modes, installed MC31, set only DirectSound audio device and bitstreaming to HDMI. 

Same exact issue. Audio dropout roughly every 20 minutes.  Like my other machines, no other dropped frames or glitches of any kind.  UGH.

The only variable I haven’t tried is a different amp.  I have an older Marantz I will wire up and see what happens.

With now three different sets of hardware exhibiting these dropouts I am amazed that nobody else can or has replicated my specific issue.

[JimH]

NVIDIA?

Check power settings in Windows and in NVIDIA.

[htnut]

No. Jim, I’ve tried three machines. Two AMD and one integrated Intel (Iris). One machine under Win7 even.  Same issue.

[Ashfall]

Htnut, do  you have enabled "hardware accelerate video decoding when possible"?  After I did a clean install I noticed that is not enabled by default.  Played one 1080p video for 45 minutes with no dropouts, then enabled it (because 4k videos drop video frames without it on my RX6400) and then get the audio dropouts like you again.  Haven't had time to change it back and try again though, so just curious what you are using.  This is such a slooooow process to troubleshoot!

[JimH]

No. Jim, I’ve tried three machines. Two AMD and one integrated Intel (Iris). One machine under Win7 even.  Same issue.

Still consider power settings.

[htnut]

Htnut, do  you have enabled "hardware accelerate video decoding when possible"?  After I did a clean install I noticed that is not enabled by default.  Played one 1080p video for 45 minutes with no dropouts, then enabled it (because 4k videos drop video frames without it on my RX6400) and then get the audio dropouts like you again.  Haven't had time to change it back and try again though, so just curious what you are using.  This is such a slooooow process to troubleshoot!

Yes, "hw accelerate" is enabled. 

Are you also using DirectSound + Bistream: HDMI?  When I use WASAPI the audio dropout doesn't occur... but I need to use DirectSound for other reasons.  Can you run a blu ray with DTS-HD or ATMOS using the DirectSound device and see if you don't get dropouts every ~ 20 minutes?

Thanks.

[Ashfall]

Yes, "hw accelerate" is enabled. 

Are you also using DirectSound + Bistream: HDMI?  When I use WASAPI the audio dropout doesn't occur... but I need to use DirectSound for other reasons.  Can you run a blu ray with DTS-HD or ATMOS using the DirectSound device and see if you don't get dropouts every ~ 20 minutes?

Thanks.

I'm using WASAPI.  I'll try your suggestion, it might be a couple days.

[MarkArk]

spoke too soon... audio stuttering still very much there !

[JimH]

If it's occasional (comes and goes), something is changing somewhere.  Power is fluctuating, for example.  Something going into a low power state?  Or different media triggers it.

[htnut]

I'm using WASAPI.  I'll try your suggestion, it might be a couple days.

Thanks, Ashfall - will be interesting to know how that works on your system.  FYI, I also tried with HW Acceleration off.  No change.

[esotericxa]

I have similar problems sending through a Rotel RSP1570 (HDMI 1.4a)  to a Panasonic Plasma FHD.
The only thing that does this is JRiver. PowerDVD works, my hardware Panasonic Bluray players s work, the Set top box works, and JRiver has been working for years,
Until the last 6 months or so, and it is getting worse. Perhaps JRiver is moving on to HDMI 2.0 and above and dropping support for 1.4a??
At first is was only when playing 4k 10bit material, (the plasma does 10bit) but now appears to apply to almost everything.
I have tried both Dell and Intel Motherboards, and several RX 550 cards and several DP to HDMI cables where there is no HDMI on the Video card.
Tried several ATI / AMD drivers. I am pretty sure there is a problem between the AMD HD Audio device and JRiver.
Some times when in the advanced sound panel in widows, the ROTEL device disappears, which I have never seen before, and perhaps points at the now 15 or more years old Rotel.
It takes a few seconds for PowerDVD to get the sound going, so perhaps it is negotiating the channel??
Occasionally the JRiver does actually work.
This is probably not a common problem, so may not be a priority. Running W10 Pro I5. Will need help if any one wants traces etc.
Upgrading the Rotel would be a drag since everything else appears to play fine to it..?? Both WASAPI and DIRECTSOUND lockup after a few seconds of jerky video.
Suggestions welcome of course. Thanks

[esotericxa]

Found a fix for me that is working for today (been here before I think)
I ran the AMD cleanup utility to remove all the AMD video and sound stuff.
Let windows update install an old AMD driver, it picked one from 2022 that has no adrenaline control system

Driver Date 2/08/22 (in Australia that would be 2nd August, and different in the USA...)
Driver Version 31.0.12020.1

whatever the version means.

AMD High Definition Audio Device was missing.
Checked optional updates, and ther was an AMD audio package of some sort.
Installed that and suddenly we now have an AMD High Definition Audio Device.


Also, cleared the library.
Videos now working perfectly.
(have not reloaded the library yet)
After tuning all the Digital TV channels again, that is now working perfectly as well.
Hope this helps
So, to sum up, it may be that more recent AMD software is at least part of the problem.

[Awesome Donkey]

If you're going to do clean GPU driver reinstalls, I'd highly recommend using Display Driver Uninstaller (DDU) instead of the AMD cleanup utility (or any GPU vendor's cleanup/reinstall tools as DDU is superior to all of them). Case and point, AMD's drivers currently disable the ability to do any sort of clean install/factory reset due to it being known to break systems, so I wouldn't trust any tool they have to offer to "cleanup" drivers as surely it's going to leave behind stuff. DDU on the other hand works perfectly regardless if you're using a Nvidia, AMD or Intel GPU and it's updated constantly and it can even remove audio drivers for GPUs as well. It's basically the industry go-to tool for anything regarding clean driver reinstalls. I've been using DDU for years now and it's never failed.

[esotericxa]

Thanks for the DDU advice. much appreciated.

Also, Played 2D HUGO Blu-ray disk DTSMA 7.1 to the Rotel, using MC 31 with direct sound instead of WASAPI as a test.
Glitches at 12 minutes, 35 minutes 58 minutes, 1:21 and 1:45 and possibly last second.
Powerdvd22 and AnydvdHD are on this system. RX550

[htnut]

Thanks for the DDU advice. much appreciated.

Also, Played 2D HUGO Blu-ray disk DTSMA 7.1 to the Rotel, using MC 31 with direct sound instead of WASAPI as a test.
Glitches at 12 minutes, 35 minutes 58 minutes, 1:21 and 1:45 and possibly last second.
Powerdvd22 and AnydvdHD are on this system. RX550

Thsnk you for trying DirectSound as an audio device, esotericxa. 

JimH and Hendrik, this is now a 4th system evidencing "regular" audio dropouts ONLY when configured over DirectSound and JRiver.  It seems to me that JRiver is doing something different that other players when sending bitstream audio over DirectSound. 

Sure hope this can get solved - I have a unique use case requiring me to use DirectSound instead of WASAPI.

Thanks.

[Hendrik]

We don't recommend using Bitstreaming over DirectSound. It's not a focus for us.

[htnut]

We don't recommend using Bitstreaming over DirectSound. It's not a focus for us.

This is really too bad, becuase it's due to the "new" support of DirectSound in MC31 that prompted me to pay to upgrade from MC30.  Furthermore, unless you have demonstrated a system that will properly bitstream over DirectSound this limitation should be documented. 

Hendrik, LAV does not exhibit this behavior in any other media player I've tried.

[MarkArk]

I fixed all stuttering and pausing simply by reverting to MC29. I did not do anything at all to drivers, operating system, etc. So, to me this says it is a MC31 issue.

[JimH]

Or configuration.  Or antivirus.  Or different data.