Headset and Mic
Ric Moore
wayward4now at gmail.com
Tue Dec 14 10:37:01 UTC 2010
On Tue, 2010-12-14 at 19:36 +1100, Karl Auer wrote:
> On Tue, 2010-12-14 at 03:27 -0500, Ric Moore wrote:
> > Something doesn't jive. If you are plugging into the stereo speaker's
> > headphone jack, that is an electro-mechanical connection, simple round
> > stereo plug into round stereo jack hole operation which physically
> > shunts the signal to the headphone while disconnecting the speakers,
> > which the computer doesn't have anything to do with. If this is a
> > digital switch, controlled by the OS, it's a new one on me.
>
> I don't think it's been purely electro-mechanical for a loooong time.
>
> The "mechanical" part is still true in that inserting a jack is a
> physical change, but it is just an event that can be sensed and acted
> upon by software. I don't know if the event is sensed mechanically or
> electronically, but I do know that inserting the jack does not literally
> physically (electrically) shunt the signal anywhere any more.
>
> Surprised me too, when my new laptop started making noises through the
> speakers when the headphones were plugged in!
>
> Regards, K.
>
> PS: Note, the above is deduced from the fact that plugging in a jack on
> my new laptop many moons ago demonstrably did NOT result in the signal
> being transferred to the headphones. Not only that, but a later software
> upgrade fixed the problem. Ergo, the jack does not mechanically transfer
> the signal.
Then they made something SO simple difficult. God, I'm getting
old. :( Ric
--
My father, Victor Moore (Vic) used to say:
"There are two Great Sins in the world...
..the Sin of Ignorance, and the Sin of Stupidity.
Only the former may be overcome." R.I.P. Dad.
Linux user# 44256
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