Re: (Offtopic) Humming on ibook2 audio port?
On Thursday 10 Jan 2002 8:42 am, Christopher C. Chimelis
wrote:
> On Thu, 10 Jan 2002, Siggi Langauf wrote:
> > Well, now that I've listened closely to my earphones
> > while plugged to the iBook, I've noticed a very
> > high-pitched sound that occurs roughly every 2 seconds
> > and lasts for about half a second. Any guess what that
> > could be?
>
> I'm still working on the tumbler (aka TAS) driver. I'll
> listen more closely to my headphones when I make the
> changes to support things other than the internal speakers
> (even those aren't filtered properly right now, FYI).
>
> C
Don't know if this is relevant, but on my Dell laptop, all
sorts of ticks and groans come out of the speakers until the
ALSA driver gets loaded (it uses a Maestro3 chipset). I'm
guessing this is because at reset the internal audio out
lines are all in a high impedance state, and this changes
when the chip's initialised.
Could a similar thing be going on with the ibook2?
Just a thought,
Nick/
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