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A comment on I still miss my headphone jack, and I want it back. Parent comment

Re:I still miss my headphone jack, and I want it back by rusk on Tuesday November 27, 2018 @03:33AM (#18540587)
> the sound I hear every time an old TV is on

Ah that would be the flyback transformer. Plainly audible to us these days now that most TVs don't have them any more. (I think GP is talking about something else btw)

https://en.wikipedia.org/wiki/Flyback_transformer

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Re:I still miss my headphone jack, and I want it back by lloeki on Tuesday November 27, 2018 @07:14AM (#18541660)
Most of the time in non-old devices it's a bad (either of quality or age) capacitor whining. It's infuriating enough in itself but can give me nausea on top of it!
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