> The 100 Hz (being 2x 50Hz, the power freq. in Italy) > suggests that it is probably related to some manner of > power supply. However, I have no theory why we're > getting 2x 50Hz (and I think I need one :-)).
The implication has been that the USB audio device is a cheaper device. It is therefore more likely that the device runs from the USB 5 volt line than have a separate power supply, and that 5v line is regulated and therefore less likely to have a power line ripple on it. _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/listinfo/linux-audio-dev
