For those who use Brian Davies' ClickRepair software

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For those who use Brian Davies' ClickRepair software

Permanent link to this post Posted by Michael Kazmierski » Wed Nov 29, 2017 9:19 pm

Hi there,
Unfortunately, the infamous ClickRepair software by Brian Davies is not that accessible with Jaws screen reader, though I have heard the results with the clicks and crackles removed and they are simply amazing. However, when I emailed Brian Davies myself, I didn't get a response.
So, I thought I'd turn to anybody who uses ClickRepair to help me to assist in removing crackles and clicks from my favorite two old records, if you don't mind. Below is the email I wrote to Brian Davies... hopefully it will explain everything. If not, just tell me what I'm missing.

Hello,
A couple years ago I happened upon your ClickRepair software to remove clicks and crackles from very old recordings. Unfortunately they are not that accessible with Jaws (a screen reader), and I'm blind and can't use a computer without Jaws. So, I thought I'd turn to you for some assistance on this.
Since 2012, I have been collecting very old recordings of bagpipes. Part of this is because I play the bagpipes myself, and I've always been fascinated with the sounds of history - and this includes bagpipes no doubt. I have learned how to remove the warping on records with Audacity using a vibrato effect which I can explain later (long process), but in Audacity the removal of clicks and crackle is not all that possible, especially when I'm blind (I'm not going to repair every single crackle because I don't use the mouse), and even the Click Removal effect is unacceptable. Sure, many of these bagpipe recordings do suffer from clicks and crackles, but these two, in a ZIP file, are my two absolute favorites.
I'd be delighted if these could have all the clicks and crackles taken out of them. Also, feel free to put these recordings on your Examples page so people can finally know that old bagpipe recordings do exist! :)

Here's the link to the Zip file.

http://www.filehosting.org/file/details ... 201917.zip

Thank you and I hope you can help. I'm struggling with this myself and I'd wanted to turn to some assistance. Thanks


Michael

PS. I'd suggest not removing noise or hiss, only clicks and crackles. Hisses are still fine! :)
Michael Kazmierski
 
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Re: For those who use Brian Davies' ClickRepair software

Permanent link to this post Posted by Trebor » Wed Nov 29, 2017 10:36 pm

This is the about the best that Brian Davies De-Click can do, ( the processed audio is every other 10 seconds)

Brian Davies every other 10 seconds.mp3
De-Click & De-Crackle, (no De-Noise)
(1.98 MiB) Downloaded 7 times

If you want me to complete the job on the two bagpipe tracks, let me know, ( as I'll have to organize PTSD counselling :¬)
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Re: For those who use Brian Davies' ClickRepair software

Permanent link to this post Posted by Trebor » Wed Nov 29, 2017 11:14 pm

This has the works : Brian Davies DeClick, DeCrackle & DeNoise ...

Trebor
 
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Re: For those who use Brian Davies' ClickRepair software

Permanent link to this post Posted by Michael Kazmierski » Thu Nov 30, 2017 2:27 am

Wow, Trebor! That was amazing!
However, why is the sample rate sortof low? Also, maybe it would be easier if I just have the clicks and crackles only, so I can invert it and the clicks will be cleared up. I think the fact that is MP3 and the low sample rate will make a big difference. If you have a dropbox maybe you can save them both as Wav and zip them up and upload it to Dropbox or Filehosting as I did. Was the MP3 just for demonstration? If so, that's understandable.

Thanks - I love the results. But what's easier - just the crackles and clicks only, or like you did every other 10 seconds?
Michael Kazmierski
 
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Re: For those who use Brian Davies' ClickRepair software

Permanent link to this post Posted by Trebor » Thu Nov 30, 2017 7:07 am

Michael Kazmierski wrote:why is the sample rate sort of low

There's nothing but noise above 13KHz on the recordings, and essentially all of the music is between 100Hz & 5KHz,
so a sample rate of 16KHz is more than sufficient to contain the music. By using a higher sample rate, say 44100Hz, you're just adding high-fidelity crackles.

Michael Kazmierski wrote:I can invert it and the clicks will be cleared up

Track 25 is dual-mono : the pair of tracks are absolutely identical. Inverting one of them just results in total silence.
Track 26 is very close to dual mono. If the recordings are from 1917 they will both be mono, not stereo.

Michael Kazmierski wrote:... it would be easier if I just have the clicks and crackles only

OK. Here's a google-drive link to ZIP file with de-clicked & de-crackled, (no de-noise & no equalization).

https://drive.google.com/file/d/1I-vwt7 ... sp=sharing

Attached below are two mp3 versions de-clicked , de-crackled, de-noised & equalized ...

Trebor
 
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Re: For those who use Brian Davies' ClickRepair software

Permanent link to this post Posted by Michael Kazmierski » Thu Nov 30, 2017 10:26 pm

Thanks a LOT, Trebor! Your help has been very invaluable!
I think the de-noised version sounded a little "bubbly", almost like it was underwater a little, but the clicks and crackles removed it sounds like the record had been dubbed from another record player! Some record players emphasize the clicks more than others, I've noticed. Especially if you compare the turntables of Tony Langford, the guy who dubbed all these bagpipe records onto an 8 CD set (these two were dubbed by Langford), and that of Jim McGillivray's turntable. Jim's turntable has less crackle yet more hiss. I can show you a record played on Jim's turntable if you like.
Again thanks a million! Now if only it was accessible to Jaws and that it wouldn't require Java Runtime (I couldn't install that for some reason). Maybe in the far distant future someone could put this exact algorithm into Audacity's Click removal and Noise removal... as if to say when Brian Davies leaves this world, he says he's a retired mathematician... Not to be offensive or critical or anything against him...


Michael

PS. I don't know if private messaging is available on here, but if there's another record I would like to have cleaned up, I might be able to contact you separately... if you prefer, my GMail can be reached at Bagpiper023.
Michael Kazmierski
 
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Re: For those who use Brian Davies' ClickRepair software

Permanent link to this post Posted by Trebor » Fri Dec 01, 2017 12:34 am

Michael Kazmierski wrote:... I don't know if private messaging is available on here, but if there's another record I would like to have cleaned up, I might be able to contact you separately... if you prefer, my GMail can be reached at Bagpiper...

Yes this forum has private messaging, (I've sent you a message).
BTW You shouldn't post your gmail in open forums : could result in you getting lots of spam emails.
Trebor
 
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Re: For those who use Brian Davies' ClickRepair software

Permanent link to this post Posted by Michael Kazmierski » Fri Dec 01, 2017 12:39 am

Yes, I saw your message.
Michael Kazmierski
 
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Re: For those who use Brian Davies' ClickRepair software

Permanent link to this post Posted by Michael Kazmierski » Sat Dec 02, 2017 2:50 pm

Hello,
Just getting back after an update after a friend of mine installed ClickRepair onto his laptop and he and I did some experimenting with more of my bagpipe records. We simply can't get the crackles removed like you did, so I'm curious to know what settings you used. We did not try either the Wavelet or X2 or X3 modes yet, so maybe that will make more of a difference.

PS. After a lot of tedious and laborious scripting in Jaws, it (sortof) works. Radiobuttons aren't read allowed and can't be changed, nor are the checkboxes.
Michael Kazmierski
 
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Re: For those who use Brian Davies' ClickRepair software

Permanent link to this post Posted by Trebor » Sat Dec 02, 2017 9:58 pm

Michael Kazmierski wrote: We simply can't get the crackles removed like you did, so I'm curious to know what settings you used.

I had the settings turned up really high ..
"DeClick" 85,
"DeCrackle" 90,
"Pitch Protection" tickbox checked,
"Reverse" tickbox checked,
"Method Wavelet X2"
"Automatic" is on "All".

It took an unusually-long time to process, (about the the same as playback- time), even with "Sound Output" turned "Off" which speeds processing up.
NB: "Sound Output" has to be on "out" to hear the cleaned version, if "Sound Output" is on "in" you just hear the original crackly version, even though the cleaning process is taking place.
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