Le lundi 28 janvier 2008 à 22:25 -0600, Wade Nelson a écrit :> I know this is probably hardware-specific rather than ALSA-specific, but> I was hoping someone could point me in the right direction here...> > I have:> Guitar -> Behringer Xenyx mixer -> M-Audio Audiophile 2496 RCA inputs> > When the setup is sitting there, idle and active, there is a very very> high-pitched light squeal coming from the PC speakers. It's so> high-pitched that only myself and so far two other people I've had> listen can hear it. However, when I touch my hand to the guitar> strings, the squeal completely disappears.> > To me this sounds like a grounding issue, but I'm able to reproduce this> across several different guitars with different pickups & pickup> arrangements.> > Any ideas?ideas just for test:* Which hardware is grounded, which not?* try invert the socket position on the plug for ungrounded hw...* try putting a wire between the mass of hw and your ground... -------------------------------------------------------------------------This SF.net email is sponsored by: MicrosoftDefy all challenges. Microsoft(R) Visual Studio 2008.http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/_______________________________________________Alsa-user mailing listAlsa-user@xxxxxxxxxxxxxxxxxxxxxxxxxx://lists.sourceforge.net/lists/listinfo/alsa-user