How to stop USB noise in my DAC from my Laptop (mac)
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elmoe

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More than likely you are picking up fan noise. Have you tried removing the laptop's cover and cleaning the fan?
 
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mannitheear

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I have found this topic because I have a similar problem: high pitch noise with USB audio on a Macbook Air. The noise is very quiet but nevertheless it should be not there. It's independent of the source software (Safari, Qobuz, Audirvana, Roon...)
Meanwhile I'm sure that it's not a hardware problem and no EMI phenomenon, because if I start the same hardware configuration with my Bootcamp Windows 10 partition it's absolutely quiet using foobar or AIMP.
My conclusion is, that problem is caused by the OSX/driver software stack, but I have no idea to solve the problem.
 
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bigshot

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Take it in to an Apple Store and have them look at it.
 
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