[MPA] Griffin iMic: distorted signal?

[Matt Matteson]

Open Audio MIDI setup, it is in /Applications/Utilities/. Make sure the 
Audio Output settings are 44100.0Hz, 2ch-16 bit. I have had a few times 
where these settings changed and the output from the iMic was horrible.

	-Matt

On Apr 4, 2005, at 2:08 PM, Joe Castleman wrote:

> Anyone else here use the Griffin iMic?  I had been using one for audio
> output on a FireWire Powerbook*.  Recently, the sound quality has gone
> way south.  When the sound signal drops below a certain amplitude, it
> sounds as though it's being broadcast from a distant radio transmitter.
>  I hadn't noticed this before.
>
> I can't remember if I had installed or updated any software between the
> last time I used the audio out and the point when I noticed this
> happened.  I remember plugging a USB printer into the 2nd USB port
> around the same time, though I think the sound quality may have changed
> right before that.  Anyway I've unplugged the printer and rebooted the
> Powerbook, with the same results.  When I switched the audio out to the
> headphone jack, it sounded fine.  (I can't get the iMic to work at all
> on my older Wallstreet Powerbook (OS 9), though that's not a good test
> because that computer has several problems of its own.)
>
> According to System Profiler, my iMic Product ID is 547 ($223).
>
> Have I blown out my iMic or is there something I can reset to make it
> work again?  I've written Griffin in the meantime but figured I'd go
> ahead and ask here.
>
> *As for why I'd listen through USB output in the first place, I'd
> rather
> replace an iMic every once in a while than even attempt to fix the
> headphone jack when it finally wears out (already I don't get a "click"
> when I insert a headphone plug, etc.).  Headphone jack also picks up a
> lot of noise that I don't hear with the iMic.  Maybe an audio I/O
> PCMCIA card would accomplish the same thing?
>
> Thanx in advance,
>
> --Joe C.
>
>
>
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