Stereo Tool

Well, it's not gone... But it should be less than in version 3.55...

For test today on transmitter i put loudnes from 2.50 to 3.10x ... and gues what .. whole day i listen radio and maybe 3-4 songs have this distortion.

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So I guess that means that it is better than before? (And not really an issue anymore?)

Or do you mean that at higher Loudness values you actually get less distortion (that would be really strange)?

no ... i mean that that "S" distortion on few songs starts with loudness at 1.50 till the 3.20.. after that, other distortions...

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Well, I think I now have a better idea of when distortion occurs than before. That means that I can probably reduce the distortion further for the few songs that still have it, AND increase the bass level for everything else.

@ Bojcha

I hope you know, that
http://radiodak.rs/elma1.mp3
(this is original - before processing with Stereo Tool - correct ?)
already has strong clipping.
I opened it with Adobe Audition 1.5 and played it.
Every other second there is clipping above 0 dB.
But even 0 dB can cause clipping and distortion because of interpolation
between two peaks (though the waveform is normalized at 0 dB).

I am using the TT Dynamic Range Tools (the DR Offline Meter and the DR VST-Plugin):
http://dynamicrange.de
They give the advise in their PDF documentation to normalize at -0.3 dB (as maximum) to avoid distortions caused by the interpolation problem.

Their DR Offline Meter shows a dynamic range value 6 for
http://radiodak.rs/elma1.mp3
So, I would not be surprised (have the clipping in mind) that the extra processing (strong extra dynamic compression) with Stereo Tool results in distortions.
The same thing (distortions) can occur with other music that is also normalized at 0 dB or comes already with obvious clipping (peaks above 0 dB).
There are many (even on original CDs - not MP3 or radio only).

6 is already a high value for the dynamic range (already very limited dynamic range in my ears).

Ironically I am using Stereo Tool the other way round.
Stereo Tool used with the preset "Volume Compression - Normal Soft Compression" widens the dynamic range for many of the radio stations that I listen via DVB-S.
I am using two instances of the TT Dynamic Range VST-Plugin.
One before Stereo Tool and one after Stereo Tool.
For example a station with an original middle dynamic range of 6 comes out (using Stereo Tool "Volume Compression - Normal Soft Compression") with a middle dynamic range of 8.
Here is an example for a MP3 played with Winamp (Apollo 440 - Stop The Rock):


Sorry, all you radio-guys, but I think you want too much (compression -> loudness).

To me this original
http://radiodak.rs/elma1.mp3
- like most of the other files you linked before Bojcha - already sounds distorted (I don't measure - I do listen with my ears).
There are too many high (harsh) tones as if they had cheap monitor speakers with a lack of high frequency response during mastering process.

Michi...

- i don't make music.
- Half songs from my country productions is like that. I don't like it too but what can i do? They make it like that
- You can check every comercial album today and see there is clipping, or it's on 0db but after compressing to mp3 and recompress, there is "clip". and that is clip you see in that example song.
- When they make master CD for album they want to have most loud sound as possible.

About that examle song .. "elma1" .. if you normaly listen there is no distortions at all (loud "S") .. but when it goes thru stereo tool every secons "S" sound is distorted. Why? because that loud "S" is over very loud low tone in song itna that particulary few audio frames. Belive me i tryed other processors and they works even worse. (including latest Breakaway)
I can send you another song to see what is realy Loud highs... but if i play song like that thru ST .. that song will not have distortion. And how you can explane that?
And one more. Do you know how complicated can be audio from radio station?

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@michi95

DR_vst is a pretty cool meter.

Just an observation. According to the meter .. the object is to gain as much loudness or volume
whilst keeping the Dynamic Range in the green (10 or higher) .. is this correct?

Seems we have our work cut out for us!

Cheers!

I think the distortion problem is solved now. And the bass level is actually higher than in version 4.02 .

Winamp DSP plugin: http://www.stereotool.com/download/dsp_ ... r_BETA.exe
Stand alone version: http://www.stereotool.com/download/ster ... r_BETA.exe
Command line: http://www.stereotool.com/download/ster ... d_BETA.exe
VST version: http://www.stereotool.com/download/vst_ ... l_BETA.dll

Both songs that Bojcha mailed before sound a lot better with this version. And in other songs the distortion filter has less effects than before - which accounts for the louder bass.

sorry, but i don't hear any difference. i recorded old and new version to be sure an listen again. i only have antention to highs.

EDIT:
omg.. i again downloaded same version. i'll be back

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