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Old 07-01-2020, 09:26 AM   #1
samirzer
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Default Hiss noise when I record and in my monitors

Hello guys, I know this is not related to Reaper.

However I've been wondering for years now,

I bought new Genelec monitors, and they produce the same hiss / electrical noise that is popping out of nowhere sometimes.

I wouldnt consider this a white noise, its more like a very high pitched note plyaing 3/4 seconds sometimes.


It happens also when I plug my guitar to play and record, even on my microphone (SM7B)

I have an Apollo X by the way.

I've been getting the same sound on this monitors, but also on my computer simple speakers that are plugged into the jack of it.


If anybody can explain me the problem, it would be appreciated, thanks again !!
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Old 07-01-2020, 10:12 AM   #2
DVDdoug
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Quote:
Apollo X
That has it's own power supply, right? "Mosquito noise" usually gets into an interface (or USB mic) through the USB power.


Quote:
I've been getting the same sound on this monitors, but also on my computer simple speakers that are plugged into the jack of it.
It's good to know the monitors are OK.


...But if the monitors are OK the points to the interface. Maybe it's picking-up some electro-magnetic interference. Try moving the interface (and cables) around to see if the noise gets better or worse. Try taking your cell phone out of the room.


Quote:
It happens also when I plug my guitar to play and record
Of course guitars are famous for hum/buzz pickup but you know what that sounds like.


Quote:
, even on my microphone (SM7B)
That's a famously "weak" mic which degrades the signal-to-noise ratio and the noise is boosted when you boost the signal. But, I'd expect regular-constant preamp hiss.
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Old 07-01-2020, 01:38 PM   #3
samirzer
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it has own power supply yeah.

Thanks for your an swer, i dont think it comes from the audio interface since i had this noise beforez buying it .

Maybe coming from my power outlet where evrything is connected.

and yeah its not a regular hiss.. pops out of nowhere sometimes
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Old 07-01-2020, 01:41 PM   #4
karbomusic
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I assume you don't have a cell phone nearby they will do that intermittently when doing things like syncing with email whathaveyou.
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Old 07-01-2020, 02:14 PM   #5
valy
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It isn't some plugin in trial mode, is it?
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Old 07-01-2020, 08:16 PM   #6
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Quote:
Originally Posted by karbomusic View Post
I assume you don't have a cell phone nearby they will do that intermittently when doing things like syncing with email whathaveyou.
Yeah cell phone to airplane mode as a first check...

Is your computer a laptop or desktop?

If a laptop, I've had good success plugging the laptop power cable in to a cheater adapter. To test before bothering you can just unplug the laptop (while you're hearing the noise) and see if that helps.
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Old 07-03-2020, 03:35 AM   #7
samirzer
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Thanks for the answers i will test when possible and keep you updated
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Old 07-03-2020, 03:36 AM   #8
samirzer
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FYI, its like a repeating 10k HZ noise coming sometimes and vanishing after
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