Stereo Tool
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Stereo Tool 3.40 BETA
https://forums.stereotool.com/viewtopic.php?t=102		 Page 2 of 6
Author:  hvz [ Mon Oct 27, 2008 12:48 am ]
Post subject:  Re: Stereo Tool 3.40 BETA
Minor update: Distortion reduced more (now especially for low frequencies). High frequencies are a bit louder now. Total sound is also slightly louder.
Author:  hvz [ Tue Oct 28, 2008 5:36 am ]
Post subject:  Re: Stereo Tool 3.40 BETA
Update: CPU usage in Normal mode has been greatly reduced (at the expense of a very slight reduction in audio quality).
Author:  hvz [ Wed Oct 29, 2008 1:30 am ]
Post subject:  Re: Stereo Tool 3.40 BETA
Update: Sound quality of "s" sounds improved (bass pumping due to loud high frequencies reduced - high frequency level is reduced slightly.)

Performance might have changed a bit (have not yet measured it).
Author:  hvz [ Thu Oct 30, 2008 12:13 am ]
Post subject:  Re: Stereo Tool 3.40 BETA
Update: High frequency level is increased and sounds clearer.
Author:  hvz [ Sat Nov 08, 2008 1:55 am ]
Post subject:  Re: Stereo Tool 3.40 BETA
I have found another improvement. I have done some quick tests and it seems to work very well, but it will take some time to implement it properly. In a few days you can expect a new version with the following improvements (Loudness ++ mode only!):
- Loudness ++ CPU load and latency reduced by about 30%
- Slightly louder high frequencies
- Slightly clearer high frequencies
- Soft bass sounds stay soft (they are sometimes getting too loud in the current beta)
- Very loud bass sounds no longer cause distortion on the high frequencies

Update after listening tests: Highs are indeed brighter, but also distorted, and they disturb the rest of the sound. So this will probably take more time than I expected...

Update 2: The problem seems to be in the improved performance. Without that, I am getting the better audio quality. I expect to have a version with (slightly) better audio quality tomorrow, will have to see about the performance improvement.
Author:  hvz [ Mon Nov 10, 2008 1:44 am ]
Post subject:  Re: Stereo Tool 3.40 BETA
This seems to be getting a bit more difficult than I expected...

But I do have some good news: I have replaced the non-++ Loudness processing (which didn't sound very good) by the processing that I used in version 3.30, but with the distortion filter from 3.40ß. So it sounds a lot better than 3.30 did. And if all processing is turned on it uses LESS CPU power than 3.30.

If you turn ++ on, you get the new processing that I'm working on (very good highs, but some extra distortion).

Note: Turning ++ on or off sometimes leads to deformed sounds. There's a bug somewhere that I still need to hunt down. For now, if this happens just restart Stereo Tool.

You can download the new versions here:
http://www.stereotool.com/download/dsp_ ... _BETA2.exe
http://www.stereotool.com/download/ster ... _BETA2.exe
http://www.stereotool.com/download/vst_ ... _BETA2.exe
http://www.stereotool.com/download/vst_ ... _BETA2.exe
Author:  vamprecords [ Mon Nov 10, 2008 6:39 pm ]
Post subject:  Re: Stereo Tool 3.40 BETA
Great work!

I'm testing now, if all works fine i'm going to buy the software.

/Martijn
Author:  hvz [ Tue Nov 11, 2008 12:02 am ]
Post subject:  Re: Stereo Tool 3.40 BETA
Here's another update.

Loudness with ++ now sounds MUCH better.

For the best sound quality, please follow the following guidelines:
- Turn Final Pre Limiter and Final Limiter ON. Previously I said it could be turned off, but with it turned on the result is better.
- When turning ++ on, set the Loudness slider lower (around 2.0 - 2.33) - higher values cause distortion.

The easiest way is to select a preset, then turn ++ on and lower the Loudness setting. I'll see if I can find a way to make this easier.

You can download the new versions here:
http://www.stereotool.com/download/dsp_ ... _BETA2.exe
http://www.stereotool.com/download/ster ... _BETA2.exe
http://www.stereotool.com/download/vst_ ... _BETA2.exe
http://www.stereotool.com/download/vst_ ... _BETA2.exe
Author:  vamprecords [ Tue Nov 11, 2008 9:46 pm ]
Post subject:  Re: Stereo Tool 3.40 BETA
Tested the latest build.. the ++ settings results in a very bad sound on my system.. (like a very bad mp3) also after a reboot of Stereotool, when turned off everything sounds great.

Overall i'm very pleased with the tool.

Greetz,

Martijn
Author:  tekie [ Wed Nov 12, 2008 12:31 am ]
Post subject:  Re: Stereo Tool 3.40 BETA
Just my two cents worth ...

I've played around with volume loudness levelers and limiters, enough to know,
thats not the sound I want. I want it to sound natural, lively and sparkling with just
the right amount of punch, not a flat or muffled bass and not a dead high end.

I've found the only way to achieve this, is to amplify one or two db between stages,
with a "good transparent limiter".

As long as i'm hitting my zero db mark on my REAL modulation meter and it's staying constant
between -3 and +0 on average -- i'll be a happy camper. :lol:

I just think, after playing with it for so long .. Quality is what I want.

If the listener wants loudness ... he has a volume control knob on his radio.
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