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Subject:SpectraLayers in action - a real world example
Posted by: terryA
Date:7/16/2015 11:06:46 AM

I regularly use SpectraLayers to clean up tracks that have minor but annoying glitches. I would like to share are recent one.

I was recording an acoustic guitarist. At the end of the track, with the final chord fading out he shifted and the chair creaked. Rather than re-record the bit, which I should have done, I left it alone. But, much after the fact, I couldn't live with it in the mix.

I initially tried to isolate and deal with it in Sound Forge, but that always left some residual audible glitch. So I opened it up in SpectraLayers, selected and copied the offending creaks to new layers, reversed the phase on the layers and rendered the resulting file. The fix was invisible. Here is a link to the before and after files:

I know people post here with a lot of issues, but SpectraLayers is an invaluable tool for me.

Message last edited on7/16/2015 11:07:09 AM byterryA.
Subject:RE: SpectraLayers in action - a real world example
Reply by: Sneddy
Date:7/30/2015 8:41:30 AM

Terry, thank you for posting this. I have SL1 and uninstalled it due to its uselessness (at least useless to me). It's good to see that the more recent versions are offering improvements. Having said that, in listening to your before and after, I'm still hearing noise in the after. I have Adobe Audition 3.0.1 which has very respectable spectral repair. I also have iZoptope's RX4 Advanced
which has a major league spectral repair feature. Is there any chance you could post a .wav file
of the before recording. I'd love to work with it in both AA and RX4A and would be delighted to send you a final version if I can remove all or at least more of the noise. Sneddy

Subject:RE: SpectraLayers in action - a real world example
Reply by: UKharrie
Date:8/21/2015 5:52:27 AM

That offer "sounds" like a good idea technically - but bear in mind the cost-differences, perhaps you should compare the "Effectiveness-per-Buck" - or similar. Also they need to be available for the same Platform...Windows.

I understand SL requires 64-bit - is there zero chance we might see a "Studio" 32-bit version, perhaps with a slightly slower render-operation?

If you do manage to "fix" the chair squeak, could short clips be made available in (dot) WAV format on this site for registered Users?
At present my PC is 32-bit, so I'm waiting for a new software upgrade to 64b . . . probably in 2016.... when all Win10 bugs are cleared!

Good luck.

Subject:RE: SpectraLayers in action - a real world example
Reply by: terryA
Date:8/24/2015 2:17:02 PM

Sorry about the delay in responding. I have added a link at the bottom of the blog post ( This links to the original wav file, prior to processing, which you can download.


Message last edited on8/24/2015 2:17:43 PM byterryA.
Subject:RE: SpectraLayers in action - a real world example
Reply by: Sneddy
Date:9/2/2015 12:32:35 PM

Hi Terry, sorry for my delay here! Here's a site
with three .wav files - your original and mine using Adobe Audition 3.0.1 spectral repair and the third with iZotope RX 4 Advanced.
Neither repair is perfect but non recording engineer end listeners would not likely notice the imperfections in the repair (not meant as an excuse to not attempt perfection)!! Sneddy

Message last edited on9/2/2015 3:06:39 PM bySneddy.

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