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4104 Views 4 Replies Latest reply: Mar 5, 2011 2:15 PM by sicochoco RSS
joshwaa Just Startin'
joshwaa
1 posts since
Jul 8, 2009
Currently Being Moderated

Jul 8, 2009 4:44 PM

high pitch noise on toneport ux8

I just bought a ux8 and when i plug my powered yamaha speakers in to the analog outs (using both trs and ts cables) i get a high pitch noise both through the speakers and headphones. the problem goes away if i connect the ux8 to my home stereo via spdif. the problem only seems to occur when i have an audio application open... be it wmplayer or sonar. is this a known issue?

Tags: output, toneport, ux8, sonar, audio
  • Rowbi Expert Line 6 User
    Rowbi
    7,745 posts since
    Nov 25, 2006
    Currently Being Moderated
    Jul 9, 2009 4:13 AM (in response to joshwaa)
    Re: high pitch noise on toneport ux8

    try connecting all the devices that are connected (pc, speakers, monitor) to the same 4 way power strip.  this can rule our ground loops.

     

    that said, it may be your hard disk in your PC that's spinning at say 5400RPM or 7200RPM that's creating a note that's 5400Hz or 7200Hz.  that can sometimes happen with PC's that have high speed disks, that are very close the the USB controller and are pooly shielded by the PC manufacturer... laptops are more likely to have something like that, because they're so compact.

     

    as SPDIF is digital, it isn't suceptable to interference from connected systems.

     

    perhaps you can test on another PC and see if it's better, which may point to it being an issue with your PC as I suggested above.

     

    CHeers

     

    Rowbi

    www.rowbinet.co.uk

     

    Remember to give correct and helpful points to those who answer your questions correctly, or who are helpful.

  • Line6Hugo Line 6
    Line6Hugo
    6,580 posts since
    Apr 8, 2007
    Currently Being Moderated
    Jul 9, 2009 9:37 AM (in response to joshwaa)
    Re: high pitch noise on toneport ux8

    +1 to Rowbi

     

    Regards,

     

    Line6Hugo

    • Manhattanx170 Just Startin'
      Manhattanx170
      6 posts since
      Jul 7, 2009
      Currently Being Moderated
      Feb 1, 2010 6:13 AM (in response to Line6Hugo)
      Re: high pitch noise on toneport ux8

      Hi.  I posted here, http://line6.com/community/message/115334#115334, and I posted here as well http://line6.com/community/message/115337#115337 concerning this exact issue.  I am thinking that this issue could be with my hard drive and its RPMs. Now if this is the case, as its looking like the suspect... what can I do about it, aside from getting a new PC?

      • sicochoco Just Startin'
        sicochoco
        12 posts since
        Aug 20, 2007
        Currently Being Moderated
        Mar 5, 2011 2:15 PM (in response to Manhattanx170)
        Re: high pitch noise on toneport ux8

        I have the same issue, I'm in MAC OS 10.6.6, on the latest 64-bit kernel driver..


        So I  made a lot of tests,  and my results are:

         

        It has nothing to do with electrical things or fans or monitors or amps.

         

         

        This is only on the Main output, not on inputs and it is not recorded at all so that tells.

         

        This    hiss is only present on the main outputs and not in the headphones of    main outputs,  I noticed that its volume is constant and completely    independent from the main volume knob, and it only happens in channels   1  and 2, main outputs, as a matter of fact, the hiss keeps sounding   when you start any app that uses the UX8 on  "main outputs" channels 1   and 2 even when the sound output on your app is on 3 and    4...strange.........so for now I'll avoid main outputs for everything,    its not the best solution since the main output knob and mute button  on   the front become useless, though I can use the main output  headphones   for cue monitoring on ableton live......good thing that  from the UX8 I   connect to a mixer which then go to the speakers, that  way I can  control  the UX8 Ch 3-4 volume output on the mixer, so for  now maybe  the  solution is to use the other 6 outputs.

         

        This   result tell my logic that it is soft code related, if not it would be   present in all outputs or at least all the time and not only when the   driver is used by apps.

         

        Don't    know if this is also present on the 32 bit version, didn't even tried    that, I saw no point in downgrading to 32-bit, so my UX8 was unused  for  2  months until this latest driver.


        Are the symptoms the same on your side?


        I hope this tests info helps to get this fixed on the next driver update. ASAP. please L6.


        S.

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