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Stereo Tool 7.85 BETA
https://www.forums.stereotool.com/viewtopic.php?t=7262		 Page 16 of 59
Author:  hvz [ Mon Feb 08, 2016 11:18 am ]
Post subject:  Re: Stereo Tool 7.85 BETA
Quote:
Quote:
I've just ran a test and there are more differences in sound between version 7.84 and 7.03. I have done a lot of optimizations (so it's not easy to compare the code), but I'll take a quick look at it on Monday (it's easier in my office with 2 monitors to compare the code and the behavior of the two versions).
Thanks for looking into it. I use Stereotool almost every week to remaster tracks for my private colection or for my mixes ( https://www.mixcloud.com/LDASTA/ ). Besides the web browser its probably the most used software on my computer for the last couple of years. :)
Ok, I've checked what's happening. Now there are 2 things and I need to know which of the two you hear!

1. The singleband compressor for some reason creates a crackle at some places. It happens in a few spots in the track that you sent me, and the crackles are very brief. I can't really say that I hear them, but I see them in the spectrum (they are kinda masked by the onset of the piano tone).

2. There is some vibrating effect if I subtract the outputs. It's very soft compared to the total level, but it's constantly present. It's also present without voice protection, but it gets a bit worse when I enable it. I will check now (I have an idea) if I can find the cause.

3. Finally there's a crackle at startup. -> Ow, seems to be caused by bandpass filter. Hm... Checking now... --> Solved, was caused by Ignore high frequencies
Author:  hvz [ Tue Feb 09, 2016 1:25 am ]
Post subject:  Re: Stereo Tool 7.85 BETA
7.85 BETA027

Windows 32 bit:
Windows stand alone: http://www.stereotool.com/download/ster ... 85-027.exe
Winamp DSP: http://www.stereotool.com/download/dsp_ ... 85-027.exe
Windows VST 32 bit: http://www.stereotool.com/download/vst_ ... 85-027.dll

Main change is that I added K filter for Polar Stereo for OIRT FM band.

CHANGED:
- Polar stereo: K filter added, but output is not strictly clipped anymore. Waiting for feedback.
- Add AM test tone: Sawtooth with pause at 0, asymmetrical. LPF needed?
- Fixed crackle at startup caused by Ignore high frequencies (even if it was disabled!)
- Loading old preset from before Analog mode was added apparently loads in Analog mode! -> Works now, just no idea why??

OLD CHANGES:
- Exciter: Crash should be fixed.
- Exciter: Sometimes you see darker bars in the spectrum, changing the overlap back and forth removes those, so somehow some levels aren't always calculated when a setting is changed.
- Fixed crash when closing
- Exciter: Moved to separate page, for now called Absolute Highs.
- Exciter: Added GUI element to show Absolute Highs effect.
- Exciter: Broken at latency 512
- GUI: Fixed hangups caused by tooltips.
- GUI: Remove dots in changed settings for some buttons on top of the screen.
- Exciter: Made frequency range configurable!!! (Old default numbers were 8000-9000 Hz)
- Blog post pre-processing, MP3 and declipping
- GUI: Added tooltips!
- Added exciter (rest of list removed)
- Added (not yet fully ok) Polar Stereo support for OIRT FM stations.
- Error (crash) on some systems should be solved
- Show something in settings that have been changed (for example a dot next to the name of the setting).
- Add license check function: extern "C" bool stereoTool_IsLicenseValid(gStereoTool* st_instance);
- Make scope skinnable
- Bug: i found one malfunction in the BS412 Section: If your switch off the FM Option and leave the BS412 Limiter in On-Position the Advanced Clipper only works in a reduced way: You can´t change the Clipper drive even if you pull the handle. The BS412 Limiter is greyed out instead so maybe someone doesn´t find the failure. If You switch the BS412 to off everything works fine again! Just a small detail, but maybe someone will have problems… -> I think I have fixed it (but there are a lot of different combinations of settings that can impact the result, I hope I haven't missed any). The next version shouldn't have this problem anymore, also, when BS412 is used I have now disabled the Advanced Clipper Drive slider.
I've been busy hiding a lot more deprecated features (if they are set to their default value). This should make the GUI a bit simpler. Stuff that's now hidden (still there and still functional if you really want to use it):
- "Bass AGC (Old)" panel
- "Classic Multiband Compressor" panel
- "Classic Singleband" panel
- "Pre-limiter" panel (in Advanced Clipper)
- "Leif's clipper efficiency modification" checkbox
- "Composite clipping Strictness (CPU)" checkbox
- Phase rotation: ""At start of processing" checkbox
- AGC "Compatibility & behavior" header
- All Singleband and Multiband "Compressor type" (Analog/Digital) pull-downs
- Multiband and Natural Dynamics "Compatibility mode (bad)" for Flat Frequency Response checkbox
- "Bass protection (Deprecated)" header in Advanced Clipper -> Bass
- "Highs gap protection: *" in Advanced Clipper -> Highs
- "Smooth slope" in Advanced Clipper -> Distortion
- "Upsampled highs clipping (useless)" in Advanced Clipper -> Distortion
- Stokkemask: "Force Stokkemask even if not using Composite Clipping (bad for audio)"
- BS412: ""De-basser non-ITU.1770 compatibility mode (bad)"
- Right clicking now restores default again, mid or double right clicking restores last loaded preset (or startup) value.
Bug: If you use FM and Normal output, with separately processed audio for streaming for Normal output, and for FM output enable pre-emphasis but *not* pre-emphasize output, then Normal output is not processed separately!
- What is the pink line in the BS412 display? Maybe remove it. http://i.imgur.com/70mWvqp.png -> Ah no, it's the adjustment of the compressor thresholds. Needs to be added to Help page.
- BS412 has VERY narrow jump on de-basser from 240 to 250 Hz. (Jump of multiple dB's). -> No, brown line jumps but actual output is smooth, so no problem.
- BS412 bass filter doesn't use ITU1770 as it should but some weird other shape that goes up to about 250 Hz.
- Need to support 2 default values and a RESET TO LAST LOADED VALUE reset option.
- Hide not selected deprecated stuff - partially working!
- Move Copyright stuff etc. also to command line version (maybe just copy it?)

TODO:
- Voice protection in classic MB is broken. Check what changed. (Code should not have changed at all). - Hm, more has changed. Check in which version! -> Waiting for reply to question
- MB: Make Overview window for new Multiband! For main settings.
- MB: Add voice volume protection, don't allow mid bands to drop below surrounding (to some extent), protectes voices and it might help to replicate the sound of certain other processors :)
- Exciter: Try to improve tone behavior (should also reduce whole area around a spike I think - maybe configurable?)
- Exciter: Improve further, and make it configurable.
- Add Polar stereo viewtopic.php?f=16&t=6233&p=33031#p33031
- MP3?
- Try adding phase delay compensation
- O skin
- Also show tooltips for blocks of parameters.
- Continue with finding parameters to hide
Author:  Maximizer [ Tue Feb 09, 2016 4:25 am ]
Post subject:  Re: Stereo Tool 7.85 BETA
Quote:
Ok, I've checked what's happening. Now there are 2 things and I need to know which of the two you hear!

1. The singleband compressor for some reason creates a crackle at some places. It happens in a few spots in the track that you sent me, and the crackles are very brief. I can't really say that I hear them, but I see them in the spectrum (they are kinda masked by the onset of the piano tone).

2. There is some vibrating effect if I subtract the outputs. It's very soft compared to the total level, but it's constantly present. It's also present without voice protection, but it gets a bit worse when I enable it. I will check now (I have an idea) if I can find the cause.
I think, its probably more towards the second effect. To me it just sounds like slight clipping/overcompression distortions (which you might mean with vibrating effect).
Author:  evrenselFM [ Tue Feb 09, 2016 12:00 pm ]
Post subject:  Re: Stereo Tool 7.85 BETA
this question

What do you mean what polar stereo how it works, what benefits have a sound working ?
Author:  Chris [ Tue Feb 09, 2016 12:00 pm ]
Post subject:  Re: Stereo Tool 7.85 BETA
This latest beta, crashes when you change the Latency Samples to 4096!
Author:  radiofreak [ Tue Feb 09, 2016 12:26 pm ]
Post subject:  Re: Stereo Tool 7.85 BETA
Quote:
This latest beta, crashes when you change the Latency Samples to 4096!
Same here!
Author:  hvz [ Tue Feb 09, 2016 2:04 pm ]
Post subject:  Re: Stereo Tool 7.85 BETA
No crash here, but there was something wrong with Hard Limit in the last beta, so that might be causing it.
Author:  Eldorado [ Tue Feb 09, 2016 3:05 pm ]
Post subject:  Re: Stereo Tool 7.85 BETA
I have a little bug found:

By enableling Tooltips (Show Tooltips), the Tooltip Processing --> Absolute Highs does not work.
In 7.85 Beta 25 the Absolute Highs Tooltip is shown and works correctly.
Author:  hvz [ Tue Feb 09, 2016 3:20 pm ]
Post subject:  Re: Stereo Tool 7.85 BETA
Quote:
I have a little bug found:

By enableling Tooltips (Show Tooltips), the Tooltip Processing --> Absolute Highs does not work.
In 7.85 Beta 25 the Absolute Highs Tooltip is shown and works correctly.
I haven't written the help text for it yet. Now I'm just wondering what it can have shown in BETA025....
Author:  Eldorado [ Tue Feb 09, 2016 3:34 pm ]
Post subject:  Re: Stereo Tool 7.85 BETA
Hans don't worry,

It was my mistake. In 7.85 Beta 25 the Mouse Pointer was over Multiband 2
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