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  • rutra80
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Analog Devices AD1985 codec
Hello, I got this old Intel D865GBF motherboard with integrated Analog Devices AD1985 AC97 codec, after installing the newest version of SoundMAX drivers (v5.0) from Intel website the sound I get on my headphones is altered in a way that resembles pre-echo artifacts, it also sounds equalized although I can't find any equalizer in the settings (except the bass boost which is adjustable in the same place where wave, cd and other volumes may be adjusted  and which I already "muted"...). I think I turned off all the DSP crap in the drivers. The Windows is XP. Any ideas what could I try?
Thanks.

  • stephan_g
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Analog Devices AD1985 codec
Reply #1
I think there was some fairly well-hidden setting with those AD codecs... look in the mixer. Seems like you already were there though.
My little "blogalike":
http://stephan.win31.de/music.htm

  • rutra80
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Analog Devices AD1985 codec
Reply #2
I think I've looked everywhere and tried everything, when I switch the settings between headphones, stereo speakers, 5.1/7.1 configs etc. the sound is normal for a couple of seconds just to become altered again - when playing a sample with sharp attack at the beginning, a fade-in can be heard.
I just noticed that when there's some other sound playing in the background, even with 0 volume, the problem disappears. It seems like the driver mutes internal mixer when there's no sound playing, and unmuting it isn't instant which causes the effect.
I recorded how it sounds.
  • Last Edit: 30 June, 2012, 07:13:33 PM by rutra80

Analog Devices AD1985 codec
Reply #3
if it it's for playing music, you could try wasapi inside foobar, to get rid of any effects

  • uart
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Analog Devices AD1985 codec
Reply #4
I recorded how it sounds.

That "ding" sounds like someone blowing in the top of a bottle. Bit it's hard to tell much from without also hearing the undistorted sound.

BTW. Is that the normal windows "ding" (c:\windows\media\ding.wav in XP)? If so then yeah that is really distorted. Sounds like a really strong added "enviroment effect". Are you sure "environment" is set to "none"?

  • rutra80
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Analog Devices AD1985 codec
Reply #5
Yes that's that "ding". Environment is set to "none".