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

Discussion in 'Sound Science' started by indigo bob, Jan 27, 2017.
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  1. elmoe
    More than likely you are picking up fan noise. Have you tried removing the laptop's cover and cleaning the fan?
  2. mannitheear
    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.
  3. bigshot
    Take it in to an Apple Store and have them look at it.
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