I looked at my midi cable and it does have pin 2 on midi in grounded. I'll fix it when I get a chance and see if that helps. Phil Carter --- Clemens Ladisch <clemens@xxxxxxxxxx> wrote: > Phil Carter wrote: > > I have my keyboard midi ports connected to my computer through > the > > game port on my motherboard sound card. It works fine, except I'm > > hearing some noise through the audio output on my keyboard when > the > > midi cable is plugged into my computer. > > Apparently, some MIDI IN connector has pin 2 connected to the > ground, > which is a Bad Thing(TM) to do; see > <http://www.midi.org/about-midi/electrical.shtml>. > > > Is there anything I can do to correct this? Is it because I have > a > > cheap sound card? I've thought about getting a somewhat better > > soundcard, possibly an SB Live!, or a USB midi interface instead > > of my gameport midi interface. > > The ground loop might be caused by your gameport MIDI interface, so > there is the possibility that you have a chance that a USB MIDI > interface might fix the problem, if you're lucky. However, many > other > devices get this wrong, too. > > You could try to 'modify' your interface so that pin 2 (the middle > pin) of the MIDI IN connector is permanently disconnected ... > > > Regards, > Clemens __________________________________ Do you Yahoo!? New and Improved Yahoo! Mail - Send 10MB messages! http://promotions.yahoo.com/new_mail