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Fixing f*cked up wave "center"
https://forums.stereotool.com/viewtopic.php?t=6011
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Author:  Maximizer [ Mon Apr 27, 2015 1:07 am ]
Post subject:  Fixing f*cked up wave "center"

I sometimes come across these kind of waves, where the center of it is either too low or too high:

Image

Is it possible to add a fixing option for this, so I can push it back to the center? Processing it with Stereotool encreases this problem often:

Image

Author:  Maximizer [ Mon Apr 27, 2015 1:22 am ]
Post subject:  Re: Fixing f*cked up wave "center"

Example before-after processing:

Image

Image

Download of a track with this problem here:
https://files.scene.org/view/parties/20 ... k-lars.zip

Author:  Bojcha [ Mon Apr 27, 2015 1:37 am ]
Post subject:  Re: Fixing f*cked up wave "center"

Simple DC offset.

Usually even 15Hz phase linear HPF fixes it.

However i noticed something else... HPF adds some bass hum wich is not there in source. investigating..


edit:
At 21Hz it's almost gone. Or never-Phase-linear HPF 3Hz / order6

Author:  Maximizer [ Mon Apr 27, 2015 3:12 am ]
Post subject:  Re: Fixing f*cked up wave "center"

lol, nice trick: see it as a very low frequency and filter it out. :)

I am going to use this in all my settings now.

Would it be of a positive effect to have such a HPF for 2-3Hz in the repair section, so it takes effect before any processing filters begin?

[edit] Weird effect: When I use StereoTool as VST in WaveLab 6 and set HPF phase linear setting to "Never", I hear the processed sound but the rendered wave in the WaveLab editor is empty (silent). When I set it to "Auto" or "Always", the rendered wave appears in the WaveLab editor as expected.

[edit2] The problem with the "no phase linear" setting appears also in Winamp. The result is silent.

[edit3] When I set HPF Filter to 3Hz with no phase linear, it works now. No silent output. Okay then ... ;)

Other test files:
https://files.scene.org/view/parties/20 ... nflict.zip
https://files.scene.org/view/parties/20 ... etters.mp3
https://files.scene.org/view/parties/20 ... ceship.mp3

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