i almost fell victim to this but thank god i got out
this post was submitted on 22 Mar 2024
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I have like 30 ferrite chokes on the keyboard cable that also has a 3.5mm audio cable in that keyboard cable to stop weird buzzing in my headphones.
Long story short, my headphones buzz still
... how in the name of holy iron sewage pipe conducting audio signal does that look like? I need a pic of that cable, I don't think I can move on with my life without it.
How much does it help with the buzzing issue? What else have you tried? Cursing the PSU?
It’s not that fun, the ferrite chokes are in little plastic cases to help them snap over cables. The cable is behind the desk and I can’t get it out easy since it’s bulky af covered in the ferrite chokes, so no pic sorry :(
The mobo is an AM2+ board so its audio quality is nearly non-existent compared to modern onboard audio, so it’s defo just shit. Like you could hear when the CPU was calc’n hard. But the CPU/mobo/RAM cost $0 and in this economy I’m not spending cash on USB sound or a sound card (ferrite chokes were also $0 form a friend lol)
It muffled most of the buzzes, but the ferrite chokes are only good for high freqs, so there’s def 60 Hz from power and other low-freq modes from other oscillators on the mobo. Something something not well electrically isolated something, based on my searches about this! If I touch the metal computer case the 60 Hz noise stops, ungrounded babyyy??
Anyway, I’m the opposite of an audiophile with this setup; the humming and buzzing would make them retch. For me, it is what it is😎😎😎
Yeah, I know how those look, just thought it would be epic to see more than one (or one at each end).
From the setup you described - buzzing (CPU load, screen changes, etc) can arise from signals going through other cables/ports. So buzzing may be originating from interference from ports and connections going out from mommy board (not just within pcb). Video cables are the usual suspects for such things, especially so if you are using analogue connection ("VGA cable").
If that is the thing idk really how to mitigate it, but you can isolate the issue by listening to the buzzing changes as you unplug eg the cable to your monitor.
That said, USB audio cards from China are like 1 or 2 €/$ including shipping. I didn't really look into what DAC chips they use or what amps, but it might be worth to research a bit.
But in any case - if the current situation works for you then there is absolutely no need to change anything, don't listen to audiophiles :D.
Hell yeah! A lil buzz never hurt anyone
As far as I can tell I don’t hear the GPU when the screen changes, just when the CPU is cranked. I might budget in a hella cheap Chinese audio card to splurge tho, thanks for the note didn’t know they got so cheap! That’s basically 1 McDonald’s hashbrown in cost
Oh shot that’s a great idea, how long does the potato last before it goes bad?
When it's sounds and tastes like a hash brown, it's time for a new audiophile potat.