[linux-audio-user] Re: The famous "Jack Hum" (Can't record and desparate)

Fons Adriaensen fons.adriaensen at skynet.be
Thu Nov 16 07:36:35 EST 2006


On Thu, Nov 16, 2006 at 04:44:08AM +0100, Carlo Capocasa wrote:

> I don't
> quite understand what the purpose of loading the power supply would be;
> I've hooked up my Palm Zire or a USB microphone (which sounded like
> crap, but did load the power supply) and experienced no additional hum
> whatsoever.

If the sound comes from near the CPU, then it's probably one of the
low voltage (1.3 V or some such) regulators that produces it, and
loading the USB supply (5 V) will not make any difference. 

-- 
FA

Lascia la spina, cogli la rosa.




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