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 Forum index » DIY Hardware and Software
How do I get the sound from the eurorack to the computer?
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nickajeglin



Joined: Feb 27, 2019
Posts: 6
Location: Omaha, USA

PostPosted: Thu Mar 14, 2019 11:14 pm    Post subject: How do I get the sound from the eurorack to the computer? Reply with quote  Mark this post and the followings unread

I've been building modules like a crazy person. To listen, I have just been sticking a headphone input directly into the output of a TL074 based mixer. This seems to work fine, with no real adverse effects.

Now I'd like to record some stuff, so I ran the mixer output through a passive attenuator, and directly into the line-in jack on the front of my PC. When I set the audio driver to listen to line-in, I hear the same thing that I heard with the mixer-->headphone setup, but also a high pitched whine that I can't seem to get rid of.

I'm having trouble identifying if the whine is on the rack side or on the computer side. Rack side seems unlikely, or I think I'd hear it in the headphones. I don't really have an alternative sound source to plug into the PC to check if it's there.

Any ideas on how to troubleshoot this?
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nickajeglin



Joined: Feb 27, 2019
Posts: 6
Location: Omaha, USA

PostPosted: Thu Mar 14, 2019 11:43 pm    Post subject: Reply with quote  Mark this post and the followings unread

Disregard! I had an arduino project plugged into the usb jack that's right next to the line-in, and there's a switching battery charger for li-ion cells in it. I guess it's pumping a ton of noise into the bus on the front panel inside my computer. Now all I have is good old 60hz power line noise.
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