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Thread: Software media players tricks and tips

  1. #51
    Join Date: Feb 2008

    Location: http://www.homehifi.co.uk

    Posts: 6,020

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    If you are using a laptop, try it on battery with the external power supply disconnected from the laptop. Then try it with the power supply connected and powering the laptop. I can detect a difference, and can even see the difference in the noise output from the USB socket on a scope. I should take some pics to show that last bit.

  2. #52
    Join Date: Mar 2017

    Location: East Sussex

    Posts: 19
    I'm Rick.

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    Quote Originally Posted by StanleyB View Post
    If you are using a laptop, try it on battery with the external power supply disconnected from the laptop. Then try it with the power supply connected and powering the laptop. I can detect a difference, and can even see the difference in the noise output from the USB socket on a scope. I should take some pics to show that last bit.
    I sometimes think the top end improves slightly with battery power, but tbh, I doubt I could tell the difference if I were to do a blind test.

  3. #53
    Join Date: Jul 2009

    Location: stoke-on-trent

    Posts: 649
    I'm andrew.

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    I have tried this many times with my MBP sitting on my lap, listening via high quality cans/Mojo dac/amp detach mains lead replace mains lead no difference in SQ at all.
    I expected to hear some difference but there was none, goes to prove what may be measurable does not always translate into what you can hear.
    Andy.

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