I got ahold of one of these mythical USB devices that should not exist. Any guesses what this does?pic.twitter.com/APjeE8ePGk
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(only matters if you have ground loops though; this won't do anything for e.g. people using a DAC with headphones and no other audio connections)
Meanwhile I *do* have this exact issue with my Blue Yeti mic, which functions as both an ADC and a headphone DAC. The 1kHz whine is unmistakable. I wonder if I could buy a turnkey solution somewhere.
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If it's not plugged into anything else via other analog wiring that has a path back to the PC, then that's just crappy design. There's no excuse for not filtering that stuff out locally. Ground loops are the real problem.
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You could try just putting a giant capacitor across the power pins inside the mic, if it's just a power filtering issue. Or try a better or shorter cable.
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I never figured out how to make my Nano work as a DAC, but I do hear this whine in my sound card output whenever my camera is on. It never occurred to me that it’s USB’s fault. I thought it was just crappy onboard sound.
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa
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