Stereo Tool

Yes, this is Analog type MB

Thanks

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by GAP
"Less is More" (Bob Katz)

Someone else to see a memory usage increase of about 50-60 MB ?

Stereo Tool 7.71 BETA004

This version is broken. Please do not download it.

Windows 32 bit:
Windows stand alone: -http://www.stereotool.com/download/ster ... 71-004.exe
Winamp DSP: -http://www.stereotool.com/download/dsp_ ... 71-004.exe
Windows VST 32 bit: -http://www.stereotool.com/download/vst_ ... 71-004.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:
- 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.

OLD CHANGES:
- 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 CPU measurement for high loads (jumps to 95% for unknown reason).
- 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)
- 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)

Edit : CPU load is OK !!

And why in Advanced clipper , window for the Composite clipper is smaller now only because "oversampled" checkbox is there .
You can make it under the "enable" checkbox and give the old size of composite clipper window.

Another beta - hooray! Did we miss Beta 03?

With Beta 04 SA, when Stokkemask strictness was set to 3, changing use area from 75% to 100%, I got:
'Exception in: DisplayTwo: Got NAN input for actual. This is not a serious problem but it should not happen.'
Restarting ST with the same settings recreated the exception.

Maybe it's my imagination but the output scope also looked a bit funny at times - it's hard to explain but it's almost like there are split seconds when it shows moments of lower level (from what may be the underlying pilot tone) for longer periods than I expect? Display refresh speed is set at 60% BTW.

Edit: Hmmm. This exception actually seems to be a bit erratic actually. I've also managed to kill the advanced clipper level meters, they seem to have hung.

Some more oddities in the latest beta:

Switching presets is also doing something strange here - changing from my saved preset to a stock FM preset appeared to kill the FM settings - no pilot / clipper settings present.
Changing from a Web preset back to my saved preset throws the MPX display out too - pilot shifts to the right and cuts off the L-R etc.

Restarting once I got:
'Exception in: ASIO BufferSwitch (Exception 0xc0000005 at address 0xeb6c5a, read/write=1, r/w location=0x18cd19e8). Offset-info: 0xeb7960
Restarting: YES'

Whoops! Optimization error.... Will rebuild without that optimization for now, and really fix it soon afterwards.

Stereo Tool 7.71 BETA005

Windows 32 bit:
Windows stand alone: http://www.stereotool.com/download/ster ... 71-005.exe
Winamp DSP: http://www.stereotool.com/download/dsp_ ... 71-005.exe
Windows VST 32 bit: http://www.stereotool.com/download/vst_ ... 71-005.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:
- 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.

OLD CHANGES:
- 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
- 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)
- 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)

Finally to test last changes in depth...

- New "highs gap" is noticable worse but uses much less cpu. Makes bigger hole.
- New composite is worse almost not noticable. Worth of CPU.

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