Laptop Power Supply Audio Interference

Audio Myth - "Switching Power Supplies are Noisy ...

https://benchmarkmedia.com/blogs/application_notes/152143111-audio-myth-switching-power-supplies-are-noisy#:~:text=The%20power%20supplies%20in%20high%20power%20devices%2C%20such,that%20happen%20to%20be%20too%20near%20the%20amplifier.

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Solving Laptop Noise and Ground Loop Audio …

https://www.youtube.com/watch?v=jSA2F1AwboU

laptop power supply interference | RadioReference.com Forums

https://forums.radioreference.com/threads/laptop-power-supply-interference.154047/

824. Location. Emporia, KS. Aug 4, 2009. #1. I have a older Dell Latitude laptop and the power supply puts out terrible interference on VHF and makes 2m and railroad listening impossible in my apt and when mobile. Yes i take the Laptop with me. I have a ferrite bead from a old pc power supply on it with the wire looped through it a few times ...

Power supply noise in audio - Electrical ... - Stack Exchange

https://electronics.stackexchange.com/questions/36701/power-supply-noise-in-audio

That something could be the signal-ground on the output cable of your power supply. It could be a screw on the laptop. Or a shield on an unused laptop connector. Or the ground/shield on your audio cable. Make that 3rd prong adapter, but leave the other end bare for the moment.

Noisy laptop power supply - Sound Forums

https://soundforums.net/community/threads/noisy-laptop-power-supply.3504/

Hey ya guys, i've got a laptop and when I have the power supply connected it introduces a lot of noise to the audio signal, but when I disconnect the power supply the noise dissapears totally. Is there any way of getting this noise gone because my laptop needs the power supply in to last the night of the event. Thanks.