Sound became scratchy after a Realtek update

I used Realtek sound drivers since I bought the laptop, Satellite A500-13F (Vista 32), and now after an update to 6.0.1.6029 sound became different and raspy. First I noticed this with voices when I was listening to a talk show on an online talk radio. Before the sound was always perfect without any issue, I'm listening to this online radio all the time and I know when the sound isn't okay. I tried rolling back to a previous driver but the sound didn't work anymore after a restart, so I updated again to this version and I tried using an equalizer to reduce the scratchy sound but it doesn't help much. Is there anything else I can do? I searched and someone had a similiar issue, they had 5.1 turned on instead of stereo. Where could I check which one is turned on? I don't see anything in Realtek HD Audio Manager. Or is it the HD causing this? Since I got this laptop it was strange that the sound driver is HD if it's just a laptop with two speakers.

uninstall the driver in Device manager...
then scan for hardware changes...
oOo
*Read EULA before installing any software.

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