On Tuesday 15 January 2008, James Shatto wrote: >> High-Z >> 3.7 V >> 2.25 V >> 0 V >> I have no idea what does the first one means. Does it provides any >> voltage? > >Not sure about the voltage. But things like electric guitar need high-Z > (high impedence). In the Mega Ohms. As opposed to your standard > microphone preamp that only has a few Kilo Ohms of impedence. If that > much. I've never seen selectable voltage on any of my cards. Not that > anything sold at WalMart would have that. > >The DC bias on the old SB cards was about 5V iirc. The GS battery box I > formerly linked to provices 9V, which supposedly brings the input level up > to line level. For those of us who have cards with no voltage. > Nothing that could construed as phantom voltage (which is normally 50 volts in the broadcast industry) is visible for either the intel_8xx on the motherboard, or for the audigy 2 value I use for everything. I also have an sb16 but don't recall it as having such a feature either. So for my edification, what cards DO support this. Not a comprehensive list of course, but something I might be able to buy at Circuit City. >HTH > >------------------------------------------------------------------------- >This SF.net email is sponsored by: Microsoft >Defy all challenges. Microsoft(R) Visual Studio 2008. >http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ >_______________________________________________ >Alsa-user mailing list >Alsa-user@xxxxxxxxxxxxxxxxxxxxx >https://lists.sourceforge.net/lists/listinfo/alsa-user -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Perhaps, after all, America never has been discovered. I myself would say that it had merely been detected. -- Oscar Wilde ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user