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Re: ALSA sound recording frustration



On Thu, 2008-11-27 at 18:01 +0100, lee wrote:
> 
> On Thu, Nov 27, 2008 at 09:38:40AM -0500, Mark Neidorff wrote:
> 
> > also want to be able to record sound from the stereo headphones jack
> of my
> > radio and the stereo audio out from my XM radio.
> 
> The headphone connector is for headphones, it is not for connecting
> recording devices: If the voltage and/or current are too high/much,
> you can damage the soundcard.

An input which measures voltages (here the microphone input) has
infinite large impedance, hence no current will flow.

You are correct by the amplitude of the voltage.

Best,

Rob


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