Stereo Tool
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Stereo Tool 7.71 BETA
https://forums.stereotool.com/viewtopic.php?t=6087		 Page 7 of 35
Author:  mpex2006km [ Sun Jul 05, 2015 11:06 pm ]
Post subject:  Re: Stereo Tool 7.71 BETA
Quote:
There is a sample rate bug. The sample rate of the FFT is stuck in 48khz mode. Restarting st fixes the problem but it switches back to 48khz by itself after a while.
Confirmed.
Author:  hvz [ Sun Jul 05, 2015 11:12 pm ]
Post subject:  Re: Stereo Tool 7.71 BETA
Quote:
Quote:
There is a sample rate bug. The sample rate of the FFT is stuck in 48khz mode. Restarting st fixes the problem but it switches back to 48khz by itself after a while.
Confirmed.
I changed something there to improve the display for AM processing, will check what went wrong.
Author:  mpex2006km [ Sun Jul 05, 2015 11:23 pm ]
Post subject:  Re: Stereo Tool 7.71 BETA
Quote:
Quote:
Quote:
There is a sample rate bug. The sample rate of the FFT is stuck in 48khz mode. Restarting st fixes the problem but it switches back to 48khz by itself after a while.
Confirmed.
I changed something there to improve the display for AM processing, will check what went wrong.
Ok and the cpu change is huge. There is an improvement in the order of 8-10% on my pc. WELL DONE
Author:  hvz [ Mon Jul 06, 2015 8:39 pm ]
Post subject:  Re: Stereo Tool 7.71 BETA
Further optimization coming tonight :)
Author:  hvz [ Tue Jul 07, 2015 12:37 am ]
Post subject:  Re: Stereo Tool 7.71 BETA
Stereo Tool 7.71 BETA007

Windows 32 bit:
Windows stand alone: http://www.stereotool.com/download/ster ... 71-007.exe
Winamp DSP: http://www.stereotool.com/download/dsp_ ... 71-007.exe
Windows VST 32 bit: http://www.stereotool.com/download/vst_ ... 71-007.dll

There are some big changes in the Composite Clipper in this version. The sound should be the same as before (within 0.02 dB or so). CPU load is much lower though. Please be careful with using this version for anything else than testing until proper functioning has been confirmed.

Note: If you want to use the new composite clipper CPU load optimization with Stokkemask, for now you should set the Stokkemask Quality slider to 3 (I still need to fix that).

CHANGES:
- Big Composite Clipper CPU load improvement: Added a new slider ('Oversampling Quality' or something like that); CPU load reduction is HUGE and effect on peak control (for values above 4) seems very small.
- Solved a number of warnings that I added in the last few days
- Some small optimizations

OLD CHANGES:
- New Highs Gap Protection improved, now similar in behavior to the old one. I had to add 1 extra step (slightly higher CPU load).
- Fixed problems in 771-004. Some optimizations are disabled - I need to fix that.
- Fix CPU measurement for high loads (jumps to 95% for unknown reason). -> Showing real average instead of median now. Median in dark red.
- Difference in measured CPU load is bigger than expected after CPU load measurement update - check why - DONE, is indeed big! Separate slider added to show both processing and total CPU usage.
- CPU: Clipper: Reduced default number of Bass Clipper steps from 4 to 1
- CPU: Clipper: Implemented Leif's mirrorring method for Stokkemask and optimized steps using Omnia interface, much fewer steps for same result.
- Added option to add a text in the title bar to easily recognize multiple instances.
- EXCEPTION OCCURRED IN HttpServer: Got unknown widget ID.
- CPU: Clipper: Highs gap protection: Use 1 step for non-FM.
- Check if COMMON_STATIC still improves performance, if not remove it -> Does not, removed.
- Redesigned parameter classes and moved everything around for integration with other products.
- Remove Stokkemask mode for non-composite FM clipper (it's probably not working correctly and more heavy than the composite clipper)
- Fixed small bug in Composite clipper FM overhead level compensation calculation. Might make the same setting very marginally louder (less than 0.05 dB)
- Fix crash reported in previous post
- Improved CPU load measurement (small part of code wasn't included, it is now).
- CPU: Composite clipper: Optimize Stokkemask: Skipping outer parts of window
- CPU: Composite clipper: Optimize Stokkemask: Fixed 'Skip smoothing' mode to be compliant, all other modes removed.
- CPU: Composite clipper: Optimize Highs Gap Protection (trick from Leif Claesson that he uses in the Omnia.9 - nearly no CPU load needed anymore!)
- CPU: Added some #pragma's to make compiler generate more efficient code
- RDS: Added some character conversions (Euro -> E, ` -> '). (not yet tested)
- GUI: Allow drawing scopes in half-height to have more headroom above and below.

TODO 7.71:
- Fix optimizations
- Fix code #warnings
- Add downsampling to 38 kHz! -> Should lower TOTAL CPU load by another 10-20% -> Started working on this
- Another bug in latest beta - ST doesn't remember FM settings - presets from the fm list start up with stereo and rds encoding off
- Fix MPX display sample rate issue
- Fix Stokkemask in Leif's mode with Quality < 3
- VST multiple instances fails
- Make VST window bigger
- Fix Mac VST version (not recognized apparently)
- Fix Linux version (someone mentioned that it crashes after a few minutes, on Ubuntu 14.04)
- Clipper highs improvement
- GUI integration for Multiband?
- Instability in compressor behavior [WesKeene, Bojcha]

TODO:
- Noise learning Micha
- Change default preset (it still uses Classic compressor etc!)
- EQ with 'standard' sliders.
- Make BS412-like graph for levels
- Add 'warm' noise before clipper (requested by Andrew Palmquist, might help with PPM as well)
- CPU: Clipper: Optimize Advanced Bass Distortion Protection

TO DO WITH LEIF:
- Clipper issues Leif / Wolf Stahl (probably the same thing)
Author:  evrenselFM [ Tue Jul 07, 2015 2:40 am ]
Post subject:  Re: Stereo Tool 7.71 BETA
ı cant download
Author:  bhelbush [ Tue Jul 07, 2015 3:05 am ]
Post subject:  Re: Stereo Tool 7.71 BETA
Not Found

The requested URL /download/stereo_tool_standalone_installer_BETA771-007.exe was not found on this server.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.
Author:  hvz [ Tue Jul 07, 2015 5:05 am ]
Post subject:  Re: Stereo Tool 7.71 BETA
Whoops! I forgot to press ENTER. Uploading now...
Author:  bhelbush [ Tue Jul 07, 2015 5:13 am ]
Post subject:  Re: Stereo Tool 7.71 BETA
Working. Thanks!
Author:  Bojcha [ Tue Jul 07, 2015 6:12 am ]
Post subject:  Re: Stereo Tool 7.71 BETA
I see new slider and it's called "true peek". Anyway, right away i saw less cpu usage. from 22-25% to 15-19% (slider at 4), nice. When i wake up in 3-4 hours will chack quality :)

edit:
I also see new slider in "highs gap"
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