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PostPosted: Thu Aug 06, 2015 3:33 am 
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Joined: Mon Mar 17, 2008 1:40 am
Posts: 9947
Stereo Tool 7.71 BETA025

Windows 32 bit:
Windows stand alone: http://www.stereotool.com/download/ster ... 71-025.exe
Winamp DSP: http://www.stereotool.com/download/dsp_ ... 71-025.exe
Windows 32 bit VST: http://www.stereotool.com/download/vst_ ... 71-025.dll
Linux 32 bit:
http://www.stereotool.com/download/ster ... ETA771-025
http://www.stereotool.com/download/ster ... ETA771-025
Linux 64 bit:
http://www.stereotool.com/download/ster ... ETA771-025
http://www.stereotool.com/download/ster ... ETA771-025

CHANGES:
- Fix Linux version (someone mentioned that it crashes after a few minutes, on Ubuntu 14.04 - re-check with Valgrind) -> Done, found a few issues, Valgrind shows 0 errors now both for command line and GUI versions.

OLD CHANGES:
- Reduce memory usage further (check all MAX_SAMPLES_44K arrays including SS and multi_samples) - Effect is small (about 0.5 MB) - not worth the effort.
- Check all #pragma messages.
- Fix >48 kHz Normal Output issue in stand alone version.
- Fix reported glitches/hiccups?
- Optimized Stokkemask exciter code
- Optimized output to lower sample rate sound cards (includes plugin hosts). Overhead (CPU load even when all processing is disabled) is greatly reduced.
Risky change.
- Tested a large number of other small things (there were a bunch of remarks that I placed throughout the code, and most of them are removed now).
- Fixed FM tilt correction GUI issue.
- Exception reported by DJ_DOGGY fixed.
- Make OldSamples buffers (and potentially others) dynamic to save memory - Currently allocating 85 MB just to display waveforms!!!
- Optimize memory usage: Don't allocate more than MAX_SAMPLES_ST for blocks which only get downsampled audio. So only allocate a few things bigger.
- Change tone generation FM enable/disable and order.
- VST multiple instances fails - Tested and works fine. Ignoring unless I'm receiving a better report. Note: 32 bit too many instances can crash due to the 2 GB limit. Max number is now 3, used to be 6 so some optimization could be useful.
- Make VST window bigger
- Fixed Quality slider bug introduced in previous beta
- Fixed jumping pilot and RDS effect on some 'Ignore frequencies above' frequencies.

- Sometimes the top and bottom waveforms run at different speeds when Ignore Frequencies Above is enabled.
- Make Chain block (small size) based - Partially done
- Declipper display is broken. Even without Ignore Frequencies Above. Ok upto 100 ms. Also broken in 7.70!!! Only if samplerate > 48 kHz, and when switching between sizes, upto 100 ms everything is fine (even if no audio is playing so no refresh of the data occurs), so the bug is in the displaying code. -> Was a shift error, fixed.
- Turning "Bandpass" Highpass filter OFF doesn't really turn it off (!)
- Again, fixed noise level jumps and spike at Ignore Frequencies Above frequency.
- Clipper issues Leif / Wolf Stahl (probably the same thing) - Should be fixed now. - Waiting for reply Wolf- Check new clipper highs
- Remove "Take some shortcuts" under CPU, probably broken! And has not much effect anyway. -> Hm, no, must have been in use for the tests. Ugh... TEST to check what is better: ON (which will probably allow more sounds through) or OFF. -> Actually it does seem to work AND allow more highs through, but I don't know if that's a good thing - more tests needed!
- Added lowpass filter after clipper in non-composite mode.
- 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
- Fixed problem with click sounds (reported by DJ_DOGGY). Reduced output level by 1% - you can safely increase modulation by 1% if you're using an output that's affected by this (should only be FM signal inside a plugin). If you're using the stand alone version, make sure to set the output level to the sound card no higher than 99% (-0.1 dB).
- Fix downsampling and Quality slider problems: Lower Quality setting
- Attempt to reduce effect on volume of using Leif's clipping method.
- Fix DJ Doggy's reported errors (19 kHz, junk around tones).
- Ignore frequencies above a specific frequency -> Should lower TOTAL CPU load by another 10-20% (now fully implemented except at lower Quality settings)
- Fixed the lowpass bug that was introduced in 009. Although it has probably always been there! As a side effect, the output is also slightly louder (about 0.02 dB) with no negative effects.
- Fixed distortion introduced in 009/010. Extra highs are still there though! See new 'Sparkling highs' section under Advanced Clipper -> Sound
- Fix optimizations
- Fix code #warnings
- Improved highs filtering in Clipper (both Composite and Normal); sound has more brilliance and suffers much less from ducking on loud sounds.
- Fix bug: NAN's can occur at certain input sample rates (40960 Hz among others)
- Fixed downsampling/resampling issues.

- Made several changes to the Clipper that affect the sound! Sound should now be more open en brighter (but it might have more distortion in some cases, I hope not though).
- CPU: Added 'Ignore high frequencies above'.
- 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

- 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.

TO DO 7.71:
- Synchronization is broken in 008 (was ok in 007) - Don't see it! Is anyone still seeing this? - No response, assuming ok.
- Fix Mac VST version (not recognized apparently) - Tested 025 in Reaper, works fine.
- Remove About photo
- Add presets
- Change default preset to something useful
- Change version number to 7.71
- Release

TO DO 7.72:
- BS412 boost-at-start
- Add delay (in samples) for one of the two MPX channels to send audio to allow synchronization of 2 transmitters which use the same frequency. (John Markis)
- Add impulse response import function!!!
- GUI integration for Multiband?
- Instability in compressor behavior [WesKeene, Bojcha]

TODO:
- Noise learning Micha
- 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


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PostPosted: Thu Aug 06, 2015 7:16 am 
User avatar

Joined: Wed Nov 19, 2008 7:44 pm
Posts: 1127
Location: Bulgaria
Sorry for the quenstion right now but...
What means this impulse response import .... What this one will do ?


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PostPosted: Thu Aug 06, 2015 4:49 pm 

Joined: Mon Aug 11, 2008 3:30 am
Posts: 163
Quote:
Sorry for the quenstion right now but...
What means this impulse response import .... What this one will do ?
I was going to ask this very same question.


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PostPosted: Thu Aug 06, 2015 9:40 pm 
User avatar

Joined: Tue Mar 17, 2009 2:56 pm
Posts: 3514
Quote:
Quote:
Sorry for the quenstion right now but...
What means this impulse response import .... What this one will do ?
I was going to ask this very same question.
Bit hard to explain, best it to wait.

_________________
control point


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PostPosted: Fri Aug 07, 2015 5:05 pm 
Site Admin
User avatar

Joined: Mon Mar 17, 2008 1:40 am
Posts: 9947
Stereo Tool 7.71 BETA026 - Getting close!

Windows 32 bit:
Windows stand alone: http://www.stereotool.com/download/ster ... 71-026.exe
Winamp DSP: http://www.stereotool.com/download/dsp_ ... 71-026.exe
Windows 32 bit VST: http://www.stereotool.com/download/vst_ ... 71-026.dll

CHANGES:
- Synchronization is broken in 008 (was ok in 007) - Don't see it! Is anyone still seeing this? - No response, assuming ok.
- Fix Mac VST version (not recognized apparently) - Tested 025 in Reaper, works fine.
- Remove About photo
- Add presets

OLD CHANGES:
- Fix Linux version (someone mentioned that it crashes after a few minutes, on Ubuntu 14.04 - re-check with Valgrind) -> Done, found a few issues, Valgrind shows 0 errors now both for command line and GUI versions.
- Reduce memory usage further (check all MAX_SAMPLES_44K arrays including SS and multi_samples) - Effect is small (about 0.5 MB) - not worth the effort.
- Check all #pragma messages.
- Fix >48 kHz Normal Output issue in stand alone version.
- Fix reported glitches/hiccups?
- Optimized Stokkemask exciter code
- Optimized output to lower sample rate sound cards (includes plugin hosts). Overhead (CPU load even when all processing is disabled) is greatly reduced.
Risky change.
- Tested a large number of other small things (there were a bunch of remarks that I placed throughout the code, and most of them are removed now).
- Fixed FM tilt correction GUI issue.
- Exception reported by DJ_DOGGY fixed.
- Make OldSamples buffers (and potentially others) dynamic to save memory - Currently allocating 85 MB just to display waveforms!!!
- Optimize memory usage: Don't allocate more than MAX_SAMPLES_ST for blocks which only get downsampled audio. So only allocate a few things bigger.
- Change tone generation FM enable/disable and order.
- VST multiple instances fails - Tested and works fine. Ignoring unless I'm receiving a better report. Note: 32 bit too many instances can crash due to the 2 GB limit. Max number is now 3, used to be 6 so some optimization could be useful.
- Make VST window bigger
- Fixed Quality slider bug introduced in previous beta
- Fixed jumping pilot and RDS effect on some 'Ignore frequencies above' frequencies.

- Sometimes the top and bottom waveforms run at different speeds when Ignore Frequencies Above is enabled.
- Make Chain block (small size) based - Partially done
- Declipper display is broken. Even without Ignore Frequencies Above. Ok upto 100 ms. Also broken in 7.70!!! Only if samplerate > 48 kHz, and when switching between sizes, upto 100 ms everything is fine (even if no audio is playing so no refresh of the data occurs), so the bug is in the displaying code. -> Was a shift error, fixed.
- Turning "Bandpass" Highpass filter OFF doesn't really turn it off (!)
- Again, fixed noise level jumps and spike at Ignore Frequencies Above frequency.
- Clipper issues Leif / Wolf Stahl (probably the same thing) - Should be fixed now. - Waiting for reply Wolf- Check new clipper highs
- Remove "Take some shortcuts" under CPU, probably broken! And has not much effect anyway. -> Hm, no, must have been in use for the tests. Ugh... TEST to check what is better: ON (which will probably allow more sounds through) or OFF. -> Actually it does seem to work AND allow more highs through, but I don't know if that's a good thing - more tests needed!
- Added lowpass filter after clipper in non-composite mode.
- 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
- Fixed problem with click sounds (reported by DJ_DOGGY). Reduced output level by 1% - you can safely increase modulation by 1% if you're using an output that's affected by this (should only be FM signal inside a plugin). If you're using the stand alone version, make sure to set the output level to the sound card no higher than 99% (-0.1 dB).
- Fix downsampling and Quality slider problems: Lower Quality setting
- Attempt to reduce effect on volume of using Leif's clipping method.
- Fix DJ Doggy's reported errors (19 kHz, junk around tones).
- Ignore frequencies above a specific frequency -> Should lower TOTAL CPU load by another 10-20% (now fully implemented except at lower Quality settings)
- Fixed the lowpass bug that was introduced in 009. Although it has probably always been there! As a side effect, the output is also slightly louder (about 0.02 dB) with no negative effects.
- Fixed distortion introduced in 009/010. Extra highs are still there though! See new 'Sparkling highs' section under Advanced Clipper -> Sound
- Fix optimizations
- Fix code #warnings
- Improved highs filtering in Clipper (both Composite and Normal); sound has more brilliance and suffers much less from ducking on loud sounds.
- Fix bug: NAN's can occur at certain input sample rates (40960 Hz among others)
- Fixed downsampling/resampling issues.

- Made several changes to the Clipper that affect the sound! Sound should now be more open en brighter (but it might have more distortion in some cases, I hope not though).
- CPU: Added 'Ignore high frequencies above'.
- 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

- 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.

TO DO 7.71:
- Add delay (in samples) for one of the two MPX channels to send audio to allow synchronization of 2 transmitters which use the same frequency. (John Markis)
- Change default preset to something useful
- Change version number to 7.71
- Release

TO DO 7.72:
- BS412 boost-at-start
- Add impulse response import function!!!
- GUI integration for Multiband?
- Instability in compressor behavior [WesKeene, Bojcha]

TODO:
- Noise learning Micha
- 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


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PostPosted: Fri Aug 07, 2015 7:04 pm 

Joined: Fri Nov 23, 2012 4:34 pm
Posts: 181
Indeed - getting close!
No more 'about' photo of you Hans? :lol:


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PostPosted: Fri Aug 07, 2015 7:35 pm 

Joined: Sun Feb 03, 2013 2:39 pm
Posts: 312
It will be replaced with the ST chick of the month! :mrgreen:


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PostPosted: Sat Aug 08, 2015 2:31 am 

Joined: Tue Mar 10, 2015 9:03 pm
Posts: 143
Location: Utah, USA
Hans,
Looks like the declipper detection isn't displaying on the left meter on the main Processing page, when enabled. No fun red lines.. :(

_________________
America's Country
Hot Country Hits!


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PostPosted: Sat Aug 08, 2015 5:14 am 

Joined: Thu Aug 06, 2015 4:01 am
Posts: 27
Location: Iraklion
It looks like the delay needs more attention that originally thought I guess. :oops:


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PostPosted: Sat Aug 08, 2015 11:59 am 

Joined: Sat Aug 08, 2015 11:45 am
Posts: 27
Hello,

I found (hope only a GUI) bug. The left input channel seems has some input gain but as you can see in the attached picture this function is not active. In beta020 it was OK, I saw it first in beta023 but 021 and 022 not tested.


Attachments:
left_input_channel_bug.jpg
left_input_channel_bug.jpg [ 44.65 KiB | Viewed 4964 times ]
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