Stereo Tool
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Stereo Tool 8.55 BETA
https://forums.stereotool.com/viewtopic.php?t=23663		 Page 27 of 76
Author:  hvz [ Tue Feb 27, 2018 11:46 pm ]
Post subject:  Re: Stereo Tool 8.55 BETA
If it's only after starting the program, it can easily be fixed (but I'll do that as the last stage of this, this new compressor behavior is complex enough as it is and I don't want to fix those things before finishing things - among others, I'm planning to add a Symmetric Peak mode tomorrow :) .

I've spent multiple full days looking at difficult formulas with lots of logarithms, square roots etc to get this new behavior in, and it makes sense that not everything will be perfect immediately - the release behavior is also still a work in progress (although I'm getting close with that now too - the Symmetry slider will probably disappear again tomorrow and be replaced by a maximum release distance slider, or something like that - I'll have to think of a better name).

By the way, since things are kinda half-way finished, I expect that I'll have a new beta tomorrow night, but I'm not building one now because some things are still half-working.
Author:  All Night [ Wed Feb 28, 2018 2:17 am ]
Post subject:  Re: Stereo Tool 8.55 BETA
Quote:
Hans, I wanted to tell you something else about the AutoEQ's behavior. You know, I had the impression from the beginning that the behaviour was somehow not right. Thanks to your last adaptations, this all seems to be great. The response time here is what it should be, and the result is right.

Some people have already written that you have problems with the "system" at the beginning of a piece of music. I have to agree with that, unfortunately. Especially at the beginning, when you start the plugin for the first time, there are apparently some problems here. You can see them very clearly in the AutoEQ. Sudden Jump Protection is active, although there is nothing to do at the beginning. After a few seconds this seems to have levelled off.
I'm only using both Auto-EQ's (no compressors). I processes tracks individually through Stereo Tool. On tracks that have no "break" (i.e., new track but music does not stop between tracks) there is definitely a "dip" at the start of the next track that takes several seconds to "fade" in.
Author:  goaliebob99 [ Wed Feb 28, 2018 3:15 am ]
Post subject:  Re: Stereo Tool 8.55 BETA
I'm having an issue with the beta where it will tell me that my input audio is low and that the AGC is doing nothing. I'm using ST 8.55 Beta 028 embedded via DSP plugin through Radio DJ 1.8.2.0. Any ideas how to resolve this?
Author:  hvz [ Wed Feb 28, 2018 10:08 am ]
Post subject:  Re: Stereo Tool 8.55 BETA
Quote:
I'm having an issue with the beta where it will tell me that my input audio is low and that the AGC is doing nothing. I'm using ST 8.55 Beta 028 embedded via DSP plugin through Radio DJ 1.8.2.0. Any ideas how to resolve this?
So, if you look at the behavior, is that warning correct? (the AGC is indeed doing nothing or almost nothing and the input level is low?)
Author:  All Night [ Wed Feb 28, 2018 6:33 pm ]
Post subject:  Re: Stereo Tool 8.55 BETA
Ah, I see you've made some changes to Low Level Boost. I turned it back on and it seems to solve a lot of the "fade in" types of issues I was seeing. It also sounds good again. :)

So like the Single Band Compressor, the Low Level Boost has a "Symmetry" setting. On the Single Band Compressor, it enables when selecting "Symmetrical RMS" mode. On Low Level Boost, it is enabled by default and disables when selecting "Legacy" mode. On both modules, the default setting is 3.3x. On Low Level Boost, when "Symmetry" is enabled (not in Legacy mode), "Ratio" and "Big Release Acceleration" are disabled. When Legacy mode is engaged, Symmetry disables and Ratio / Big Release are enabled. On the Single Band Compressor, "Symmetry" also defaults to 3.3x, and enables when "Symmetrical RMS" or "Symmetric Averaging" is selected. When these modes are selected, "Big Release Acceleration" and "Sudden Attack Slowdown" are disabled. However, "Ratio" (as well as "Max Ratio") stay enabled for all modes here.

What is true for the Single Band Compressor is also true for the Multi Band Compressor, with the settings split between "Detection" and "Behavior". (Although for the first Multi Band Compressor - the Digital One - Symmetrical RMS doesn't actually get used, according to release notes.)

So my question is: What does the "Symmetry" multiplier do exactly? What happens when it's turned up? And also, why is "Ratio" disabled for Low Level Boost, but not for the compressors (since I'm guessing Low Level Boost is functioning similar to a compressor)?

goaliebob99, try enabling Low Level Boost. You have to select "Extreme Tweaker" Operating Mode on "Configuration" to see it.
Author:  hvz [ Wed Feb 28, 2018 6:35 pm ]
Post subject:  Re: Stereo Tool 8.55 BETA
Please ignore the Symmetry slider for now - I'm removing it in the next build!

Ratio should not be disabled! Not sure what's going on there, will check. --> Ah, GUI bug introduced when I added the Symmetry slider. Fixed. The setting DOES work though, even though it's grayed out.
Author:  JesseG [ Wed Feb 28, 2018 8:02 pm ]
Post subject:  Re: Stereo Tool 8.55 BETA
Quote:
Quote:
What actually happens when selecting Symmetric RMS in Digital compressors in the last 2 betas?
It uses either RMS or Peak mode. (Actually it's a bit random... because I forgot to change it earlier when I added the new RMS mode as well. So Average = RMS, RMS = Peak, Symmetric RMS = RMS again. Sigh.)
Ahh ok, so I was using the new regular RMS mode. Well good! :) It means my plans are still on for updating (well finishing the update) and releasing a Minnesota preset that I'm finally happy with. :D
Author:  Bojcha [ Wed Feb 28, 2018 11:29 pm ]
Post subject:  Re: Stereo Tool 8.55 BETA
To fix in beta 032.

- max stop threshold slider bug fix, settings -12 to +24, Default +24 and match name for STS.
- More granular numbers for main ratio settings. Currently 0.5
- Max Release default. Current default OFF, should be ON.
Author:  weskeene [ Wed Feb 28, 2018 11:35 pm ]
Post subject:  Re: Stereo Tool 8.55 BETA
Quote:
To fix in beta 032.

- max stop threshold slider bug fix, settings -12 to +24, Default +24 and match name for STS.
- More granular numbers for main ratio settings. Currently 0.5
- Max Release default. Current default OFF, should be ON.
Agree on ratio. But it shouldn't get like it used to be. No one needs to choose ratio 1.234:1. That's nuts. I like the current simplicity, but you're right, it could be a tad more granular.

What do you mean about max release? There's no on or off. It's a range. The default is maximum, which is effectively disabled, but what's a good default "on" value? Should it really be on, by default? A lot of the work we're doing now, it to make more of this stuff automatic.
Author:  Bojcha [ Wed Feb 28, 2018 11:47 pm ]
Post subject:  Re: Stereo Tool 8.55 BETA
Quote:
Quote:
To fix in beta 032.

- max stop threshold slider bug fix, settings -12 to +24, Default +24 and match name for STS.
- More granular numbers for main ratio settings. Currently 0.5
- Max Release default. Current default OFF, should be ON.
Agree on ratio. But it shouldn't get like it used to be. No one needs to choose ratio 1.234:1. That's nuts. I like the current simplicity, but you're right, it could be a tad more granular.

What do you mean about max release? There's no on or off. It's a range. The default is maximum, which is effectively disabled, but what's a good default "on" value? Should it really be on, by default? A lot of the work we're doing now, it to make more of this stuff automatic.
Ha!
When it's at max it's OFF. and some good settings depend. For settings I would set about 8-16dB.

And btw. There is now slider max attenuation stop. It actualy act realtive, not pure stop. I am so happy :D
Might be better some Ratio override. so after some attenuation amount make ratio less. Currently we have for more, not for less. :)
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