Realtek Audio driver causing audio and video delay

I have the same problem, this is a joke how many problems I have with my new dell laptop (this audio lag, blinking screen), I will NEVER buy dell again!!!

For my Latitude 3520s at least, Dell have released a new audio driver package in the last couple of weeks. After re-building a couple of machines with the new drivers, in Device Manager, the Intel SST Audio Controller is now called a "Intel Smart Sound Technology BUS". There is no audio delay now but only time will tell if the problem is fixed properly. My one concern is that in the Events tab of the Intel SST BUS, the last event says that the device (IntcAudioBus) failed to start... Everything looks fine on the OED though.

Also been having this problem with my Inspiron 2-in-1 (7506) MFG year '21. It originally started a few months ago, and a factor reset seemed to clear the issue. Then a couple months later the same problem returned. Any sort of streaming video with sound takes 20 seconds to over a minute to load, and sometimes will crash Firefox all together. With the "Realtek Audio" driver disabled, videos will play instantly, as they should, just with no sound.

I spent 2 hours on the phone with Dell customer service giving them control of the PC to troubleshoot themselves.  We uninstalled the driver, re-installed the driver (from multiple different sources), rolled back the driver, and ran bios tests along with a litany of other things.  Needless to say the technician was just as confused as I, and started getting pretty frustrated at the 90 minute mark that we weren't making any progress.

Unable to solve the issue, and still unwilling to replace the defective machine, they settled on sending a technician to my house to replace the sound card. Not confident that this will resolve the issue, but will update the forums if it does.

C'mon Dell fix this problem!

still no update from Dell on that problem? I still have windows auto-update turned-off because of this.

I have exactly the same issue on my XPS 13 9310 - and Dell is not helping or even understanding at all. Only solution so far is indeed to manually install the old driver (Realtek-Audio-Driver_Y2MVP_WIN_6.0.9018.1_A01) and deactivate the windows update. Because it is one of those updates attached here that will be installed to update the old driver and that will cause the issue.

My advice: Install the latest beta from the Windows Insider Program. Here the audio is fixed again.

Same problem Latitude 5411. 

I'm very interested in following your solution... I've also been trying...
Please, please share with us if successful.

Any chance we could get a link to the Realtek-High-Definition-Audio-Driver_3HWW7_WIN_6.0.9202.1_A04.EXE file?

For sure!

https://1drv.ms/u/s!Amtaxo5cjAgHjfNofeoEK1zGbirMQA?e=Xp7PZo

I have the 7706 2-in-1 and have been using the Microsoft HD driver, but that causes periodic speaker popping, which is very annoying. This should work for me as well, I'll update my post after installing it.

I have the 7706 and this did not work. Audio worked fine for two days without any delay, but now it doesn't work properly anymore. I have tried several different realtek audio drivers to no avail, and the generic microsoft driver sounds bad and has a crazy amount of speaker popping.

The issue just came back last week ... this is extremely frustrating. No update installed nor was anything changed, from one day to another the sound delay is back. Why is Realtek / Dell not providing a newer driver version that fixes this?

did you disable auto-update for the sound card?
i blocked this update by windows registry

Yes, but it did not work. It was still installed. Maybe because my device ID is different to the one above in @DELL-Jesse L's description? My Realtek Hardware ID in the device manager reads 0289 instead of 0236 (INTELAUDIO\FUNC_01&VEN_10EC&DEV_0289&SUBSYS_10280991)