The No.1 Website for Pro Audio
Fab Filter Pro-Q3 Quality settings
Old 23rd October 2020
  #1
Deleted 222f60c
Guest
Fab Filter Pro-Q3 Quality settings

So... Which one do you use?

I tend to use "Linear phase" for drum mics and multiple bass signals and many times on also parallel stuff (and on the bus) but I noticed just lately that if it is NOT set on max quality, the default settings make the entire signal sound different, smeared stereo image, less detail, not in a good way. Not by a huge margin, but the degradation is noticeble to my ears... Then if you raise it to max settings, the quality is 1:1 but the cpu hit is large and my computer starts lagging and being a pain after multiple instances...

I tend to use "natural phase" in general, and "low latency" on more peripheral elements of the mix... I could probably load 3000 instances like that... But not on Linear phase/max.

I went a bit paranoid about it especially as it has been my main work-horse for the last couple of years, but i am now worried it might have been
a Trojan-horse instead eating up the fidelity of my stuff while lurking in the dark...

I need to do a proper extended listening comparisons now of every mode, once I have time to spare, but as a reference, I was interested, how do most people set it? Do you even hear a big difference like I do? And what setting do you prefer for what application (especially when using linear phase)?

Thanks in advance!

Last edited by Deleted 222f60c; 23rd October 2020 at 11:40 PM.. Reason: more specific
Old 23rd October 2020
  #2
Lives for gear
 
szmola's Avatar
Video from Fabfilter YTube channel where this is nicely explained:

https://www.youtube.com/watch?v=efKabAQQsPQ
Old 23rd October 2020 | Show parent
  #3
Deleted 222f60c
Guest
Quote:
Originally Posted by szmola View Post
Video from Fabfilter YTube channel where this is nicely explained:

https://www.youtube.com/watch?v=efKabAQQsPQ
Thank you!

Although, the video wasn't really helpful for me as I am already familiar with the concepts of minimum phase vs linear and its uses.
My main doubt regards the importance of the "quality choice" on the linear phase mode on FabFilter ProQ3 and what it is doing to the overall sound per-se' (not in relation to other components in this case). The video doesn't give a definitive answer on this specific.

The rest is also curiosity as to what modes other people use for what application.
Old 23rd October 2020
  #4
Lives for gear
 
the fxs's Avatar
 

natural phase.
linear phase introduces pre ringing from time to time, at least in my case.
Old 24th October 2020
  #5
Gear Maniac
Natural phase the vast majority of the time on tracks. I use minimum if am doing something like pre-EQing a reverb bus or key, something you don't hear directly. I use linear if I make micro adjustments on the mix bus.
Old 24th October 2020
  #6
Deleted 222f60c
Guest
So when you do use linear phase mode, do you just leave the default setting on it (mid if I recall correctly), put it on max and live with the latency, cpu hit etc, or you tend to prefer any one setting to another for a given task?
I hear a proper difference between the settings, hence my curiosity about that.
Thanks :-)
Old 26th October 2020
  #7
Deleted 222f60c
Guest
Bump
Old 27th October 2020
  #8
Gear Maniac
Since I only use linear phase on the mix bus as a last minute correction I go with best sounding quality level (no matter how high), and don't care about CPU usage or latency. If I felt I had to use it on tracks while mixing I might use a lower quality level while setting up the mix then switching to higher when bouncing. I do this with some plugins that have optional oversampling as well, primarily to keep a large, CPU intensive mix running smoothly.
Old 27th October 2020
  #9
Lives for gear
 
Oldone's Avatar
I've noticed the smearing as well when I stared using it as my default in Protools and on the default setting. You can build yourself into a corner across a large mix if you use it on many tracks and I've had to clear instances to get some clarity back. I use it now only on critical items i.e. automated EQ situations and natural setting. But, it depends on the track because sometimes the smearing works.
Old 27th October 2020
  #10
Lives for gear
 
dirtROBOT's Avatar
there's no simple solution for every use case - use your ears and especially listen carefully to transient heavy information
basically there's tradeoffs on phase response where the filter type can affect a bass guitar or vocal performance differently etc etc

https://www.fabfilter.com/help/pro-q...processingmode

fabfilter's educational content is top notch and well worth the read
Old 28th October 2020 | Show parent
  #11
Deleted 222f60c
Guest
Quote:
Originally Posted by Chip Booth View Post
Since I only use linear phase on the mix bus as a last minute correction I go with best sounding quality level (no matter how high), and don't care about CPU usage or latency. If I felt I had to use it on tracks while mixing I might use a lower quality level while setting up the mix then switching to higher when bouncing. I do this with some plugins that have optional oversampling as well, primarily to keep a large, CPU intensive mix running smoothly.
Yes, that would be the the logical approach....
The news for me (confirmed by my ears and also the Fabfilter video) is that the highest setting doesn't 100% of the time translate in better sound...
Old 28th October 2020 | Show parent
  #12
Deleted 222f60c
Guest
Quote:
Originally Posted by dirtROBOT View Post
there's no simple solution for every use case - use your ears and especially listen carefully to transient heavy information
basically there's tradeoffs on phase response where the filter type can affect a bass guitar or vocal performance differently etc etc

https://www.fabfilter.com/help/pro-q...processingmode

fabfilter's educational content is top notch and well worth the read
Thank you, you are perfectly right...
From what I could gather, yes it's a trade-off negotiation push-pull process.

My issue is ...
I want to simply EQ. Not have to think about the overall quality of the process, and just trust the tool for what it was intended for.
Ideally Pro Q3 is a transparent precision tool. Turns out it is a bit of a different story.

There is a huge range of results you can get form PROQ3 for the same EQ curve, and honestly that bothers me.
Maybe, for mastering, or just on the 2Bus you can take your time to try different settings and see what works best.
But for instinctive processing during a busy and fast flowing mix session, that is an added distraction for me.

That is why I was hoping there was a kind of "standard" intended use for each setting, especially as it is not just an intuitive "highest quality setting equals highest sound quality always".

I am considering trying the DMG offering to see if I can get more consistent results.

Thanks again...
Old 28th October 2020
  #13
Lives for gear
 
Mercado_Negro's Avatar
After years of using Pro-Q I recently tried Crave EQ and now I'll be using it instead of Pro-Q. Transparent model is a very clever solution for phase issues and pre-ringing. The clarity and definition of transients with Crave EQ is mind-blowing. Give it a try.
📝 Reply

Similar Threads

Thread / Thread Starter Replies / Views Last Post
replies: 55 views: 20582
Avatar for IM WHO YOU THINK
IM WHO YOU THINK 13th October 2020
replies: 530 views: 72082
Avatar for joe_04_04
joe_04_04 12th August 2015
replies: 1296 views: 159313
Avatar for heraldo_jones
heraldo_jones 1st February 2016
replies: 462 views: 71589
Avatar for Neptune45
Neptune45 12 hours ago
Topic:
Post Reply

Welcome to the Gearslutz Pro Audio Community!

Registration benefits include:
  • The ability to reply to and create new discussions
  • Access to members-only giveaways & competitions
  • Interact with VIP industry experts in our guest Q&As
  • Access to members-only sub forum discussions
  • Access to members-only Chat Room
  • Get INSTANT ACCESS to the world's best private pro audio Classifieds for only USD $20/year
  • Promote your eBay auctions and Reverb.com listings for free
  • Remove this message!
You need an account to post a reply. Create a username and password below and an account will be created and your post entered.


 
 
Slide to join now Processing…
🖨️ Show Printable Version
✉️ Email this Page
🔍 Search thread
🎙️ View mentioned gear
Forum Jump
Forum Jump