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Windows 7: Karaoke/Vocal Cancel mode stuck ON [Realtek HD on Win7 x64]

25 Jun 2014   #1

Win7 x64
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 System SpecsSystem Spec
26 Jun 2014   #2

Windows 10 64 bit

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 System SpecsSystem Spec
26 Jun 2014   #3

Win7 x64

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 System SpecsSystem Spec

26 Jun 2014   #4

Win7 x64

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 System SpecsSystem Spec
06 Jan 2015   #5

Win7 x64

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 System SpecsSystem Spec
08 Jan 2015   #6

Win7 x64

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

My System SpecsSystem Spec
14 Jan 2015   #7

Win7 x64

OMG. The problem seems to be in the headphone cable!
My System SpecsSystem Spec
24 Mar 2015   #8


Quote   Quote: Originally Posted by mc510 View Post
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 System SpecsSystem Spec

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

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