Priest of the Order of the Butterfly
Posts: 872 from 2003/3/4
From: #AmigaZeux, Gu...
Quote:
khorse wrote:
With no speakers or headphones plugged in, the internal speaker is muted.
With some speakers plugged in, they don't do anything, but the internal speaker goes absolutely nuts. Horrible loud buzzing that gets worse if you move the mouse.
It sounds a bit like backfeeding. See, if there's a voltage on your speakers phono input (which there ideally shouldn't be*), it may interfere with your sound. I've encountered this only once on audio with an Amiga with a dying PSU where the 12V rail decided to use my audio as a way back. Backfeed is however a common feature of cheap shitty USB hubs.
But this theory doesn't match up with MacOS not having this problem...
Does it only happen with these speakers, or with unpowered headphones too?
(* Edit: Or alternatively if a diode in the computer's sound circuitry itself has gone open-circuit.)
[ Edited by KennyR 24.02.2019 - 19:24 ]
