SOLVED: High Pitched Buzzing Noise / USB Audio Mixer Ground Loop Issues
Have you ever tried to plug in a few different audio sources together and gotten a nasty high-pitched buzzing / squealing sound? In today's video I tackle the issue and wrestle it to the ground.
Hopefully some of my techniques can be helpful to you too! Was this video helpful? Unhelpful? Let me know in the comments!
As promised, here are the links to the items I used to solve my problem:
- Radial Pro D2 Stereo Direct Box - https://www.radialeng.com/product/prod2
- Sescom IL-19 Extreme Hum Fighter - https://www.sescom.com/products/view/product/productslug/il-19-pro-audio-hum-eliminator-inline-with-isolation
- iFi iDefender+ USB Ground Loop Breaker - https://ifi-audio.com/products/idefender-plus/
Here are some of the other devices prominently featured in my setup:
- Zoom LiveTrak L-12 Digital Audio Mixer and USB Audio Interface - https://zoomcorp.com/en/us/digital-mixer-multi-track-recorders/digital-mixer-recorder/livetrak-l-12/
- Blackmagic Design ATEM Mini Pro HDMI Video Switching and RTMP Streaming - https://www.blackmagicdesign.com/products/atemmini
As I discuss in the video, I ran into a series of issues with ground hum, USB and HDMI bus noise, and general buzzing / squealing which was ruining my audio signal quality and generally making me grumpy. After doing a ton of research, I determined that the issue was being caused by a variety of ground loops between my different PCs, my laptop, as well as the ATEM and the audio mixer. I was glad to finally find a solution, and I hope my solution can help you too!
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