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Analog Devices AD1985 codec, The sound is altered
rutra80
post Jun 25 2012, 22:56
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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 blink.gif 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.
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rutra80
post Jun 30 2012, 21:40
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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.

This post has been edited by rutra80: Jul 1 2012, 00:13
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