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Severe short term audio distortion when watching Netflix

Hi all , I can't find a reason for this anywhere - so posting as widely as possible

My Setup

New Win 10 PC with Matrix Element H USB card - Sablon 2020 cable to May KTE DAC - handmade Silver XLR's to Hegel H390 to Dynaudio Heritage Specials

For the last 12 nights, while watching Netflix or Youtube - the audio is swamped by severe high pitched distortion for 3-4 seconds , then all returns to normal

This only happens once per night - between 7 -10PM. Only once, never during the day and only for 3-4 seconds - all was good for more than the last 12 months with this current setup

I have contacted my internet provider - all is good from their end - have checked with a speed test as soon as distortion starts and speed is normal

I have replaced the Ethernet cable

I have uninstalled and reinstalled the Holo Audio driver for my MAY KTE DAC - on a suggestion from Microsoft Support

I have rebooted  PC several times and switched off May DAC and unplugged power cord for 30 seconds

Any ideas or suggestions appreciated

Michael

 

128x128michaelparin
dmlaudio
13 posts
 

Do you live in a single family home or multi-unit building?  Does someone in your residence or a neighbor return home during that time window and switch on some device, like an air conditioner or something that might be drawing a heavy load for a couple minutes and possibly interfering with your power?

michaelparin's avatar
michaelparin OP
11 posts
 

Yes I live in a 5 unit group - 3 units in my block and a separate block of 2 units

Entirely possible that my neighbours are coming in and out and switching on AC, devices etc- But this has only started happening 12 nights ago - nothing has changed in my system and neighbours are the same - and I've been home for the last 2 months  and haven't seen any work installing new AC etc 

gregdude
222 posts
 

It's a burst of data flowing inside the computer that's causing the interference. Or maybe it's a bad bit if memory and the time >s irrelevant or only relevant to the extent that is the time you typically use it for this purpose. 

michaelparin's avatar
michaelparin OP
11 posts
 

Thanks Gregdude - But again, the computer is running and I'm watching something online - either you tube or Netflix most of the day and night ( I'm retired and lazy !)

Why did it only start 12 nights ago and how do I identify and isolate that burst of Data?

 

michaelparin's avatar
michaelparin OP
11 posts
 

It just happened again at 8:10PM

I had  task manager window opened on processes and nothing spiked, not even 1%

I'm ready to pull my hair out 

What the hell can it be????

 

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