Stereo Tool
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Stereo Tool 5.02
https://forums.stereotool.com/viewtopic.php?t=2661		 Page 70 of 99
Author:  hvz [ Thu Nov 25, 2010 1:30 am ]
Post subject:  Re: Stereo Tool 5.02
Quote:
And what about 500 is still 350 ?
Don't know. If you don't move the frequencies surrounding it there will indeed be little difference.

Every next frequency must be higher than the previous, and they must be far enough apart.
A band starts at the frequency below it, and runs to the frequency above it. With maximum effect around the center frequency.

And the first band always starts at 0, and the last always ends at the highest available frequency.


I tested it here and it seems to work fine.


Version with old-style Punch (lowered when needed because the bass level is lowered) is on its way, if needed I could also build an in-between version (I'll wait for the response on the new version first).

Basically, what I did was: IF the bass is lowered (by the "Dirty bass" filter), Punch is set less strong.
Because the Punch strength reduction was needed to avoid distortion, I saw that with this change I could INCREASE the 'base' sensitivity. And apparently that wasn't a good idea. (Well, that, or the less strong Punch is sounding weird, but that should only get closer to the "Clean" setting so that's probably not it).
I'm now building a version with the same 'base' sensitivity, the in-between version would use the minimum of the current 'base' sensitivity and the calculated ('dirty bass') sensitivity.
Author:  hvz [ Thu Nov 25, 2010 1:56 am ]
Post subject:  Re: Stereo Tool 5.02
Same but with old-style bass Punch base levels:
Winamp DSP plugin: http://www.stereotool.com/download/dsp_ ... 510-54.exe
Stand alone version: http://www.stereotool.com/download/ster ... 510-54.exe
VST version: http://www.stereotool.com/download/vst_ ... 510-54.dll
VST version (No SSE2): http://www.stereotool.com/download/vst_ ... 510-54.dll
Command line version: http://www.stereotool.com/download/ster ... 510-54.exe
Linux command line version: http://www.stereotool.com/download/ster ... BETA510-54 (not available)
Linux GUI version: http://www.stereotool.com/download/ster ... BETA510-54 (not available)
Author:  Bojcha [ Thu Nov 25, 2010 2:02 am ]
Post subject:  Re: Stereo Tool 5.02
nah.. this with MB bands not working well..

and historically question.. How EQ can make diifference to multiband when it's "After" Multiband?
Author:  michi95 [ Thu Nov 25, 2010 2:27 am ]
Post subject:  Re: Stereo Tool 5.02
Quote:
and historically question.. How EQ can make difference to multiband when it's "After" Multiband?
This is a combined meter:
It shows the band action and the final Multiband section output level for the specific centered frequency at once.
So with EQ after Multiband you lower the final output level for the specific centered frequency and this is what you see (the level for the specific frequency at the output of Multiband section).
Author:  hvz [ Thu Nov 25, 2010 2:40 am ]
Post subject:  Re: Stereo Tool 5.02
Bojcha: You do know that when you load a preset or hit RESET, the default frequencies are restored? So you need to select a preset, THEN open the STS file to edit the freqs.


About strict limiting: I think I have an idea to enforce it even if Punch is enabled. But first step 1: Get Punch to sound properly, without artifacts. Is BETA54 good again?
Edit: I just realized: I'm reducing Punch for very low frequencies, but not for ALL the frequencies that I'm lowering to protect the bass. This can in some cases result on 'dirty' bass. I know how to solve it, will try to do it tomorrow.
Author:  Bojcha [ Thu Nov 25, 2010 5:41 am ]
Post subject:  Re: Stereo Tool 5.02
yes. beta54 is like 52 in bass.
When you said, that punch is lower for lower freq, that's true. not same amount of punch added by punch filter at 120 and 60hz. bit more is at 120.

I'm still thinking about stric limit for 0-350Hz freqs, and currently i don't see what is problem to make that.
Punch will anyway kick at 100% and make micro clip so 100% or 95% should be no difference.

It's all in Loudness.
Maybe solution is to split Loudness to another 2 bands (x-over) 0-X and X-22kHz. Then that should be easy for leveling.
Author:  Chris [ Thu Nov 25, 2010 3:05 pm ]
Post subject:  Re: Stereo Tool 5.02
is it possible to have a DEMO of Center frequency - Band x=nnnnnn ???? pls...
Author:  DJ-DOGGY [ Thu Nov 25, 2010 6:05 pm ]
Post subject:  Re: Stereo Tool 5.02
I think that just before "Encode Stereo" and "Encode RDS" 192 Khz is going to work.
Even with enabled this two options program must work with track sample rate just before the two options required a 192Khz as follows :
input Sample rate..
1.AGC
2.Multiband compressor/limiter
3.Limiting and Loudness
4.other sound options like BASS boost , Hard limit, ..ect.
then option to force 192KHz
5.Stereo encoder and RDS encoder.
6. Composite limiter if it is ON
Of course these are most common options, there may be some more , but if they are for Audio processing then they must be before encoders (Stereo and RDS)
I don`t know why input Sample rate is causing this .... may be the 192Khz for encoders is not at the right place in DSP and VST and i think in Stand alone too . It is not recommended to use input Sample rate to 192Khz. Please take a look at this because these Plugins are close but not enough at the best point of work .They can be !
This is the right structure of software stereo encoding , according to literature and standart of this FM signal processing.
Author:  hvz [ Thu Nov 25, 2010 8:44 pm ]
Post subject:  Re: Stereo Tool 5.02
Quote:
I think that just before "Encode Stereo" and "Encode RDS" 192 Khz is going to work.
(...)
That would indeed be the easiest solution. In the stand alone version, if you select 176.4 or 192 kHz, the first step is that it's downsampled to 44.1 or 48 kHz, then all the processing takes place, and at the location you mention the signal is upsampled again.

If you select 44.1 kHz or 48 kHz as input sample rate, the downsampling is of course skipped. But it's not possible on all sound cards to use different input and output sampling rates.

The only thing is that a x2, x4, x8, ... (44100 * 4 = 176400, 48000 * 4 = 192000) upsampling or downsampling is a lot easier than x4.353741496598639455782312951701 (= 192000 / 44100)... So I'll need some time to do this.
Author:  hvz [ Thu Nov 25, 2010 10:29 pm ]
Post subject:  Re: Stereo Tool 5.02
Fixed (I hope) Punch building now.
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