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Re: iZotope RX6

Postby James Perrett » Fri Aug 25, 2017 11:16 pm

Just had an email offering Elements for $29. As I've just bought myself a fairly powerful refurbished laptop I went for it. Just tried the de-click on an old vinyl transfer and, while initially impressive, I realised that I was also losing some of the life out of the recording. Reducing the strength helped but it then started to let through too many clicks. I tried the same recording with Audition and felt, that while it sounded a little rougher, it also kept more of the high frequencies. I only had 3 or 4 clicks to remove manually after the Audition process.

I'm going to try a few more side by side comparisons - just to see whether it was that particular track that gave problems - maybe RX doesn't like punk rock!
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Re: iZotope RX6

Postby Mike Stranks » Sat Aug 26, 2017 3:56 pm

James:

I've found that playing around with the parameters in 'de-click' helps - as well as previewing in 'clicks only'. As you've discovered, you can end up with a technically perfect recording from a noise perspective which sounds totally lifeless from a musical perspective.

I'm currently doing some production work on a specialist jazz radio programme. Some of the raw material I get needs very careful handling to retain a true representation. The 30s stuff is easier as people expect an authentic sound; some of the late 50s and 60s vinyl albums are more challenging with their numerous clicks, pops, distorted highs etc from multiple plays, poor handling and (probably) dodgy styli...
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Re: iZotope RX6

Postby Tim Gillett » Sun Aug 27, 2017 6:15 am

James Perrett wrote:... Just tried the de-click on an old vinyl transfer and, while initially impressive, I realised that I was also losing some of the life out of the recording. Reducing the strength helped but it then started to let through too many clicks. I tried the same recording with Audition and felt, that while it sounded a little rougher, it also kept more of the high frequencies. I only had 3 or 4 clicks to remove manually after the Audition process.

I'm going to try a few more side by side comparisons - just to see whether it was that particular track that gave problems - maybe RX doesn't like punk rock!

My 15 year old Steinberg Declicker when pushed would start to add a "furry" distortion to wanted content, so I backed it off until the distortion just disappeared. I also found that in quiet passages I could apply Declicking more heavily without the same onset of distortion.

In my experience when someone claims a tool "sucks the life out of the track" they are usually referring not to a Declicker but a broadband Denoiser (spectral subtraction).

A year or so ago I bought an Acon basics package with Declick, Denoise, Dehum and Declip. The Declick is split into two sections, a Declick and a Decrackle. I found that while the Declick worked well, the Decrackle added watery artifacts, usually associated with a Denoiser. Does the RX6 Declicker possibly contain both Declick and Decrackle? If so, it maybe worth temporarily disabling the Decrackle to see if that is causing the problem.

Interestingly well regarded 78RPM reissue engineers Ward Marston and Mark Obert Thorn freely use Declickers but appear to draw the line at Denoisers, which may also include Decracklers.
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Re: iZotope RX6

Postby ConcertinaChap » Wed Sep 06, 2017 12:22 pm

Mike Stranks wrote:
Hugh Robjohns wrote:;-)

While Elements is a lot more powerful than the previous RX5 plug-in pack, it is clearly designed to tempt you into upgrading to the Standard edition which opens the door to a far more sophisticated raft of spectral editing tools...

Point well-made...

I'm on the cusp of needing the Standard version.

Indeed, and as a new purchaser of RX6 Elements those nice folks at Izotope have just sent me an email that says in part: "Special Loyalty Savings! As an RX owner, you can save $200 when you upgrade to RX 6 Standard. $199".

Isn't that nice of them? And yes, I am tempted. I've got until September 29th to decide.

CC

PS Not quite sure whether 10 days of ownership really justifies the loyalty tag, but whatever floats their boat ...
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Re: iZotope RX6

Postby blinddrew » Fri Oct 06, 2017 1:17 pm

We've recently started doing a lot more video stuff at work but one of the things I'm struggling with is air-conditioner noise. It sounds like this is the kind of thing that this should help with, does anyone have any experience of using it in this way?
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Re: iZotope RX6

Postby Mike Stranks » Fri Oct 06, 2017 3:35 pm

blinddrew wrote:We've recently started doing a lot more video stuff at work but one of the things I'm struggling with is air-conditioner noise. It sounds like this is the kind of thing that this should help with, does anyone have any experience of using it in this way?
Thanks
Drew

Check out the videos/demos on their website and elsewhere... I'm sure there's one about using one of the modules available in Elements to deal with this.

Also check out the YouTube videos by Curtis Judd. He's a videoman who takes sound very seriously and has posted several vids about using RX6 to deal with issues.
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Re: iZotope RX6

Postby blinddrew » Fri Oct 06, 2017 4:28 pm

Thanks Mike, i shall do that very thing.
Cheers
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Re: iZotope RX6

Postby Martin Walker » Fri Oct 06, 2017 5:01 pm

If you're not sure about iZotope RX6 (and it does always get excellent reviews), air conditioner noise tends to be fairly consistent and therefore relatively easily removed by any noise reduction app/plug-in that lets you create a noise profile from just the air conditioner noise and then apply that to the remainder of the audio.

I remember doing this way back in my Sound Forge days, and still have their Acnoise.wav test file dated 1999 ! :beamup:


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Re: iZotope RX6

Postby blinddrew » Fri Oct 06, 2017 7:48 pm

Cheers Martin, i had thought about that but I remembered this thread and thought I'd lob the question out there.
As normally turns out to be the case, i need to go and do my research.
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Re: iZotope RX6

Postby Mike Stranks » Sat Oct 07, 2017 11:39 am

I've done some more digging myself... here's Curtis's video where he talks about aspects of RX6

https://www.youtube.com/watch?v=Aq7IVMtw_ek&t=3s

The module I've used for the sort of thing you describe is 'Voice Denoise' - which Curtis demos. The good news is that's in Elements - which is why I've got it! Much more sophisticated than the 'reverse polarity noise print' tools of which I have several. Oh! And I've found that it can be good on music too - if set-up properly. :)
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Re: iZotope RX6

Postby blinddrew » Sun Oct 08, 2017 2:42 pm

Thanks again Mike, I'm watching that now :)
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Re: iZotope RX6

Postby Suntower » Thu Nov 30, 2017 7:54 am

Wanted to chime in that WaveLab has updated to 9.5 and it is a -biggee-. The Spectral Editor now functions, in many ways, even =better= than RX in terms of multiple selections, identifying like sounding blips and replacing them with surrounding material (think Photoshop's 'band-aid'). It's obviously a must have for existing users.

I've been reluctant to recommend WL for a number of years because frankly the UI -sucked- for a while there. But PG turned the UI into a Maserati in V9 and now with 9.5? Oi... if yer in the market for an editor for restoration and haven't considered it before, really, THINK WAVELAB.
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Re: iZotope RX6

Postby Tim Gillett » Fri Dec 01, 2017 5:44 am

After watching it in October I meant to comment on the Curtis Judd RX6 tutorial that Mike S mentioned but it must have slipped my mind. The latest post bumped up the thread and jogged the memory.

https://youtu.be/Aq7IVMtw_ek

At 11:37 Curtis compares the original file to his final denoised file. What struck me was that while the background noise is now lower, so is the voice! This makes it hard to make a valid comparison. I feel he should have gone one step further and gain matched the files so that average voice level remains the same. Then we could make a fairer assessment as to the effectiveness of the tool and the work here.
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Re: iZotope RX6

Postby James Perrett » Sun Apr 29, 2018 12:01 am

Despite being not so impressed with the de-clicker in RX Elements, I decided to go for the full RX after Izotope made me (and other Elements users) an offer I couldn't really refuse.

I would have to say that I'm reasonably impressed with Spectral repair which seems to be about on a par with Audition's "fill single click" function. Despite its name, Audition's "fill single click" seems to be able to deal with a wider range of noises than just clicks as I've removed both squeaks and clunks from noisy piano pedals. RX's capabilities seemed similar on the material that I tested it on.

However, I'm really impressed with the Spectral De-noise function which works far more transparently than Audition's equivalent while still giving me plenty of control. I'm also impressed that they include a spectral enhancer as part of the process as this was something that I would usually add with an extra plug-in after removing noise with Audition.

I've not yet tried the other modules but I'd have to say that, so far, I'm finding this version more useful than Elements.
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Re: iZotope RX6

Postby ConcertinaChap » Mon Apr 30, 2018 10:37 pm

James Perrett wrote:I decided to go for the full RX after Izotope made me (and other Elements users) an offer I couldn't really refuse.

....

I've not yet tried the other modules but I'd have to say that, so far, I'm finding this version more useful than Elements.

Completely concur. It was a very good offer and came on top of getting Elements for just £29. I've not used anything I can compare it with but it is, in terms of usefulness, nearly up there with Melodyne (different problems but you know what I mean).

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