Karaoke/Vocal Cancel mode stuck ON [Realtek HD on Win7 x64]


  1. Posts : 16
    Win7 x64
       #1

    Karaoke/Vocal Cancel mode stuck ON [Realtek HD on Win7 x64]


    I've got a basic two-channel setup on my PC, and everything that I listen to sounds like it has "vocal cancellation"/"karaoke mode" applied. If I listen to something, like CNN, that has no stereo effect, it is completely silent. If I listen to something with a strong stereo effect, it sounds almost normal. Stuff with a mid-level stereo effect just sounds horribly weird, some sounds present (music and environmental sounds, generally) and some missing (speech, generally).

    I've tried the HP-recommended Realtek driver, and the latest driver from the Realtek website. Both offer a "Karaoke mode" setting in the Realtek Control Center. Doesn't matter if I toggle that on or off, there's still a lot of vocal cancellation going on. With the Realtek driver installed, I also get a "vocal cancellation" option in the "enhancements" tab of the Win7 "speaker properties" window. Doesn't matter whether that setting is ON or OFF; I still get vocal cancellation.

    I just uninstalled Realtek entirely and am using the Win7 default HD Audio driver. There's no longer a "vocal cancellation" setting on the "enhancements" tab. But there's still vocal cancellation going on!!

    I'm at a loss; any suggestions?
      My Computer


  2. Posts : 8,137
    Windows 10 64 bit
       #2

    Since you removed RealTek and using the basic Windows installed HD Audio Codec and still getting it, that pretty much eliminates the sound drivers as the problem, but it doesn't eliminate the actual RealTek sound chip (IC) as a potential problem.

    Unfortunately the only way to verify whether its the actual hardware chip or something else, would be to install a separate sound card.
      My Computer


  3. Posts : 16
    Win7 x64
    Thread Starter
       #3

    Aha, great tip fireberd ... I shut down and unplugged the system; let it sit unplugged for 15 minutes. Just rebooted and audio is normal! Many thanks for giving me that idea
      My Computer


  4. Posts : 16
    Win7 x64
    Thread Starter
       #4

    Oh no! My first listening test was successful as I said above, but I just went back (3 minutes later) to listen to the same thing again, and now it's messed up again! Arrghhhh
      My Computer


  5. Posts : 16
    Win7 x64
    Thread Starter
       #5

    Broke down and purchased a USB audio device, and it has the same problem!

    Uninstalled Realtek driver, disabled onboard audio, Ran SFC /SCANNOW. No joy.

    The new USB audio device uses the Microsoft-provided "USB PnP Sound Device" driver, BTW.

    This is making me crazy.
      My Computer


  6. Posts : 16
    Win7 x64
    Thread Starter
       #6

    Just tried a clean boot (disabling all startup items and non-microsoft services). Problem persists.

    Crazy.
      My Computer


  7. Posts : 16
    Win7 x64
    Thread Starter
       #7

    OMG. The problem seems to be in the headphone cable!
    Last edited by mc510; 17 Jan 2015 at 12:41.
      My Computer


  8. Posts : 1
    32
       #8

    mc510 said:
    OMG. The problem seems to be in the headphone cable!
    I've had the same trouble, but it turned out you were both right and wrong.

    Fix is about head phones, but not the wire it's jack for phone with mic pin. If you unplug it a little, it makes everything work.
      My Computer


 

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