Ruinaudio wrote: >On Sat, 2005-10-08 at 13:53 +0200, Cesare wrote: > > >>Something strange is happening to my edirol audio usb interface: when >>the pc is booting up I can hear an annoying noise coming from the >>interface (I mean on the outside, not from the jack). The hiss stops >>when (I believe) the driver is loaded, or the OS has recognized the >>interface. This also happens on my ibook. >> >>On Linux (Suse9.3 x86_64, and Demudi 1.2.1) the noise never stops. It >>just seems to diminish after a while. I haven't noticed it before I >>think before I always wear headphones when I decide to work with this >>interface. >> >>Do you have any clue? >> >> > >I have the same interface and I also hear the "hiss" though for me it's >more of a "capacitor hum". I've only ever used it with linux so I can't >say if it goes away on any other OS. The sound does become quite after >a while (perhaps when the components warm). IIRC I've heard of the same >experience from other UA-25 owners, sorry I can't be of more help. It's >a pretty easy unit to take apart, if you're very curious you might be >able to track down exactly what part is humming and contact the edirol >for information. > >-ry > > > Yes.I can hear the same kind of hum you can get when a transformer starts resonating. What is strange is that it stops on windows and on mac, like if the linux driver is missing some setting. c.