Stereo Tool
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Stereo Tool 6.10
https://www.forums.stereotool.com/viewtopic.php?t=3065		 Page 7 of 213
Author:  hvz [ Wed Feb 23, 2011 1:31 am ]
Post subject:  Re: Stereo Tool 6.10
Mixed version (combines both AGC implementations)

See the new slider in the AGC window. At each moment both algorithms are tried, the one that gives the highest output level is chosen. This means that when the volume reduction is small, the new method (which keeps the same up-speed in dB/time regardless of the current level) is used, when the volume reduction is bigger the old method is used.

The new slider controls how fast the new algorithm works (this is needed because generally this new algorithm operates at a much lower speed). Higher = more constant output level, but also faster volume changes during low input levels.

Edit:
1. Hm. Seems that setting this slider to '0' gives much better results than higher values... (Phoenix might disagree and set it to 10 to get the behavior of previous beta's - just make sure to set Up Speed at 1/10th of the value needed there!).

2. Up Speed can be set slightly higher than in 6.10 (say 50% higher or so), due to the braking effect.



Winamp DSP plugin: http://www.stereotool.com/download/dsp_ ... 20-005.exe
Stand alone version: http://www.stereotool.com/download/ster ... 20-005.exe
VST version: http://www.stereotool.com/download/vst_ ... 20-005.dll
VST version (No SSE2): http://www.stereotool.com/download/vst_ ... 20-005.dll
Command line version: http://www.stereotool.com/download/ster ... 20-005.exe
Linux command line version: http://www.stereotool.com/download/ster ... ETA620-005 NOT AVAILABLE
Linux GUI version: http://www.stereotool.com/download/ster ... ETA620-005 NOT AVAILABLE
Author:  Bojcha [ Wed Feb 23, 2011 2:26 am ]
Post subject:  Re: Stereo Tool 6.10
Much much better ! And there is no more bug with 2-band agc, but still in de-esser. Is this only show "black" ? Sound is good and de-essing is working as should.

up speed somewhere to 3.500, 2x seem good wrom both worlds.. with 0x is only linear (compared to 6.10) wich is again good.
Just sometimes just like there is not enough range, but i guess i just need to use to AGC meter .. will cont. tomorrow.
Author:  Bojcha [ Wed Feb 23, 2011 2:35 am ]
Post subject:  Re: Stereo Tool 6.10
awesome! :D
Author:  hvz [ Wed Feb 23, 2011 2:40 am ]
Post subject:  Re: Stereo Tool 6.10
I did notice that in some cases the volume rises too much (that's not noticeable), then if a loud sound kicks in it takes some time before it gets lowered. Building a fix for that now.

De-esser still needs to be fixed (and doing that will also restore the correct display).
Author:  Bojcha [ Wed Feb 23, 2011 3:34 am ]
Post subject:  Re: Stereo Tool 6.10
- 'bug' from erlier: "soft limit" in MB simetimes i found it at 98%
- beta620-005 - Does now "remove remaining peeks" need to be 're-adjusted' i just forun that i MUST put it to 150 from 125%.
Author:  hvz [ Wed Feb 23, 2011 9:38 am ]
Post subject:  Re: Stereo Tool 6.10
Quote:
- 'bug' from erlier: "soft limit" in MB simetimes i found it at 98%
- beta620-005 - Does now "remove remaining peeks" need to be 're-adjusted' i just forun that i MUST put it to 150 from 125%.
1. What do you mean?
2. Might be fixed by fix for 'volume rises too far', see my next post:
Author:  hvz [ Wed Feb 23, 2011 9:39 am ]
Post subject:  Re: Stereo Tool 6.10
Bug fix: Volume rises too high. That's no longer the case, might have some slight effect to RMS level in some cases.

Winamp DSP plugin: http://www.stereotool.com/download/dsp_ ... 20-006.exe
Stand alone version: http://www.stereotool.com/download/ster ... 20-006.exe
VST version: http://www.stereotool.com/download/vst_ ... 20-006.dll
VST version (No SSE2): http://www.stereotool.com/download/vst_ ... 20-006.dll
Command line version: http://www.stereotool.com/download/ster ... 20-006.exe
Linux command line version: http://www.stereotool.com/download/ster ... ETA620-006 NOT AVAILABLE
Linux GUI version: http://www.stereotool.com/download/ster ... ETA620-006 NOT AVAILABLE
Author:  Chris [ Wed Feb 23, 2011 10:29 am ]
Post subject:  Re: Stereo Tool 6.10
Hans.... whats the proper values for AGC now??? ITU bass on?? ITU Head on?? Bass Aggc?? confused :(
Author:  hvz [ Wed Feb 23, 2011 10:50 am ]
Post subject:  Re: Stereo Tool 6.10
Quote:
Hans.... whats the proper values for AGC now??? ITU bass on?? ITU Head on?? Bass Aggc?? confused :(
That's all stuff that's there to try out... Not even sure yet if I'll keep any of it.
Basically:

- ITU-1770 Head: If you turn this on, the AGC tries to reach a level that SOUNDS equal in volume, but it may have a different amount of actual content (for example, high frequencies 'sound' louder, so if a lot of high frequency content is present, the volume is dropped more).
- ITU-1770 Bass: Similar, now for bass sounds. Very low bass is almost not noticeable, so it's counted far less strongly. This does affect the relation between band 1 and 2, and reduces protection against volume drops when loud voices etc. are present.
- Bass AGC is there to remove loud bass spikes, which cause problems with Loudness.
Author:  Bojcha [ Wed Feb 23, 2011 3:56 pm ]
Post subject:  Re: Stereo Tool 6.10
"remove remain peeks above" - need some fix, because fast upspeed.
My Immortal - Evanescence
Reacts strange (fast left-right down) even at 150%, with up speed 1.876 and up 10.
Maybe "mono" for "remove remain peeks above"?
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