Ive noticed at least when running UB Touch on my pinephone it often, and randomly, starts emitting a very high pitch and annoying sound, probably around 18-22kHz since its barely audible, but loud (high dB) and very irritating nonetheless. Its the same sort of sound you get out of a bad electrolytic capacitor in a RLC circuit when the inductor is off phase or the electrolyte in the capacitor is boiling off.
It kicks in like a laptop fan, so im guessing its the effect of some program/s or subroutines either causing some oscillation in a component or random noise to the speakers or amp gain. Im hoping it is the speakers, so the hardware isnt under stress, but i still hate the sound.
I know it's been reported by others, i was wondering if we knew the exact source, whether it could be addressed, and also whether it is OS specific.
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P.S. i know we're all used to electronic noise, idle speakers, old chargers especially. But for a phone you regularly hold close to your head or other body parts, we really should get it addressed and not just accept it.
It kicks in like a laptop fan, so im guessing its the effect of some program/s or subroutines either causing some oscillation in a component or random noise to the speakers or amp gain. Im hoping it is the speakers, so the hardware isnt under stress, but i still hate the sound.
I know it's been reported by others, i was wondering if we knew the exact source, whether it could be addressed, and also whether it is OS specific.
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P.S. i know we're all used to electronic noise, idle speakers, old chargers especially. But for a phone you regularly hold close to your head or other body parts, we really should get it addressed and not just accept it.