Stereo Tool
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Stereo Tool 8.01 BETA
https://forums.stereotool.com/viewtopic.php?t=7889		 Page 21 of 43
Author:  Maximizer [ Sat Aug 20, 2016 3:13 pm ]
Post subject:  Re: Stereo Tool 8.01 BETA
Quote:
Quote:
Is there a way to licence the classic multiband and classic singleband, so they are kept and fixed for future versions? The new replacements just dont work for me, I am only happy with the classic ones regarding functionality and usability.
They are still there and they still work... I was never able to get certain tracks sound good with them though.
Well, as long as the "classic singleband" produces distortions I cannot use the newer version but have to stick with 7.40 (the last version where the classic single band worked fine). I hoped by giving extra money I could increase the motivation to fix the classic single band which is the only thing preventing me using the current versions of Stereotool.

Here is a diff between the 7.40 and the 8.00 only showing the added distortions in a piano track (I already posted similars in the thread for 8.00 beta):

Image

Here is the test case (original WAV, 7.40 render, 8.00 render, diff, preset):
http://www.mediafire.com/download/pbp56 ... 0vs800.zip
Author:  hvz [ Sun Aug 21, 2016 2:04 am ]
Post subject:  Re: Stereo Tool 8.01 BETA
Quote:
Here is a diff between the 7.40 and the 8.00 only showing the added distortions in a piano track (I already posted similars in the thread for 8.00 beta):
Wait, didn't we check this in the 8.00 thread with the conclusion that the MB wasn't the cause, but the singleband compressor that you were using after it?
Author:  hvz [ Sun Aug 21, 2016 12:17 pm ]
Post subject:  Re: Stereo Tool 8.01 BETA
Fixed:
- VLC Input broken (resampler is BAD, should probably be disabled in this case?) - Also sound cards should collect MUCH more data before starting to resample.
- Turning pre-emphasis on/off give a big glitch! - Was caused by Phase Delay time shift triggered by having 'Ignore high frequencies' on.
- CPU load: Test if it's indeed lower in 021. Quick test: 45.5% to 44.8%. So, yes.
- Check that FM output can still be L/R stereo if Stereo/RDS encoders are disabled -> No. Needs to be fixed. -> Does what it should do now.

Windows 32 bit:
Windows stand alone: http://www.stereotool.com/download/ster ... 01-023.exe
Winamp DSP: http://www.stereotool.com/download/dsp_ ... 01-023.exe
Windows VST 32 bit: http://www.stereotool.com/download/vst_ ... 01-023.dll

Known issues:
- Claimbigf failed once ("Claimbigf failed: In use!") -> Added extra checks, should warn if it happens again. I'm guessing it was triggered by some other bug.
- Split presets in repair/process
- Make new separate Presets class
- Absolute Highs display broken. Only in HQ version. -> Weird only on Koek pc. Check tomorrow. Ah, only weird if there's real audio, not on background noise there. Maybe stereo effect? Still unable to reproduce on my pc...
- Add agc drive
- Generic plug-in (not posted) FM output to host doesn't work.
- Thimeo.js add DISABLED displays
- Generate UIDs and use link
- Password for login?

DONE:
- Fixed some potential crashes - not sure if the one that was reported by 2 people is included
- Make better resampler! Test correct direction! Factor = input/output
- Quality 100-110 is not great, rest is.
- SSB DSB mode in enum, check if it works
- Enum 50/75 add OFF, encode Mu as non-HTML mu
- Add Declipper main view
- Bad pilot/RDS at certain Quality settings, only if Threads==1. Seems ok at high Quality settings... Different in HQ and non-HQ builds. Ah no, sometimes also at Threads > 1. Display only though. Ah, happens when Normal output buffer <= FM buffer size and FM output is disabled but I am displaying FM output. Must be looking to close to the point where I'm writing in OldSamples. (Correction for Normal Output is applied to FM output, probably?). O :( Caused by synchronization issues between threads... And at different numbers of threads everything is broken (note: Only scopes... but all of them!). I think we need a position in the display per thread index to solve this. Then the existing code might work again without changes. (Except that it needs to be triggered from the Framework thread).
- Weird time shift in bottom waveform (or in top waveform?) they don't stay synced at 10 second view size. -> Fixed with bad pilot fix
- Problem with threads is fixed, but still needs to be synchronized with the rest of the GUI and sound card (too much delay now on scopes).
- Phase Rotation before/after doesn't update
- FM Analyser was broken -> mostly fixed, some glitch still present after sound card restart on 2nd channel. -> Ignoring for now...
- Add Delossifier difference, also for Stereo, True Bass & Absolute Highs & Bass Boost, add Declipper, Equalizer, Bandpass, Clipper -> No, only Bandpass and maybe Clipper.
- Smooth preset switching: No more hiccups (if the same filters are enabled) and also faster.
- Quality between 100 and 150% improved (around 101-110 not great yet)
- Connection lost issue web gui
- Add window to AGC (wednesday)
- Make 'HEAR'/'Till here' work (wednesday)
- Test tones are broken (wednesday)
- Make output waveform visible again for non-FM output. -> Appears to be ok now.
- OS_COPYTHREADPRIOTO(td[ch].process_thread) (wednesday) - Was already ok
- Display CPU usage for LQLL threads (tuesday)
- Set affinity for LQLL (tuesday)
- Display needs to be updated for all processing threads (tuesday)
- Display updates must happen in correct order (weird noise jumps otherwise) (tuesday) -> No, was related to updates for all threads
- Don't calculate FM signal if FM is disabled (causes extra display in output too) (tuesday)
- Large pilot phase difference found (tuesday) Fixed with workaround. Reason still unknown.
- AGC gate in bars like compressors - now also in the normal versions
- Displaying CPU usage for all (primary) cores if you select more than 1 thread.
- Reduced memory usage to below what version 8.00 used!
- Gain works again
- AGC gate in bars like compressors
- Low Quality Low Latency monitoring (stand alone version) is working again
- Restart server if all clients are full for a while?
- Delossifier web display added
- Type IP in web site
- Quality below 100% in HQ build error

Later:
- Perform latency measurements
- Attempt Wes Keene's Feedback mode (see Facebook chat)
- Auto-determine best latency/affinity settings
- New idea: FM stereo trick might reduce MP3 artifacts as well! So add it to streaming output.
- Run as a service
- TODO: Add exception if ignoring too high VST parameter numbers (Audacity bug! -> Was fixed in later Audacity version, never mind).
- Websockets? Later
- However, MediaMonkey was quite insistent I upgrade to the later version 4.1.13.1801, so I did, and now what is happening is the Declipper screen is whited out and can't be configured, though it still works with the last set settings.
- Also when I close MediaMonkey, the Declipper screen hangs (everything else closes), and when I do a forced close, Windows says it's MediaMonkey hanging.
- Still a hack (enabled with a special setting) is needed for some people who want RDS with stereo output... It doesn't make any sense but on some transmitters that apparently works... However I only know of one person who uses this. Not urgent now, this person can use an older version for now.
Author:  Daniel1988 [ Sun Aug 21, 2016 1:05 pm ]
Post subject:  Re: Stereo Tool 8.01 BETA
Quote:
Pre-emphasized not visible in output levels beta 018 and 019
Hans, do not know if you had seen this yet but beta 023 still the same

Edit: pre-emphasized from the lossy compression for web not the FM
Author:  hvz [ Sun Aug 21, 2016 1:22 pm ]
Post subject:  Re: Stereo Tool 8.01 BETA
Quote:
Quote:
Pre-emphasized not visible in output levels beta 018 and 019
Hans, do not know if you had seen this yet but beta 023 still the same

Edit: pre-emphasized from the lossy compression for web not the FM
True! That is kinda on purpose, pre-emphasized display for streaming doesn't really make sense... So in fact the behavior has always been wrong.
Author:  Daniel1988 [ Sun Aug 21, 2016 1:26 pm ]
Post subject:  Re: Stereo Tool 8.01 BETA
Quote:
Quote:
Quote:
Pre-emphasized not visible in output levels beta 018 and 019
Hans, do not know if you had seen this yet but beta 023 still the same

Edit: pre-emphasized from the lossy compression for web not the FM
True! That is kinda on purpose, pre-emphasized display for streaming doesn't really make sense... So in fact the behavior has always been wrong.
Okay clear! Thanks
Author:  Valiant [ Sun Aug 21, 2016 1:32 pm ]
Post subject:  Re: Stereo Tool 8.01 BETA
Quote:
- Check that FM output can still be L/R stereo if Stereo/RDS encoders are disabled -> No. Needs to be fixed. -> Does what it should do now.
So every versions prior to BETA801-001 was not right with the RDS? (because after that version is where the RDS became a problem for me).
IMO, it seems the mono effect problem that started after that version may have been associated with the "FM Composite Limiter Overdrive" because in my trying to simulate the problem in prior versions, whenever I turned that setting up above 101%, it would create the same issue I have now with every version above BETA801-001.
Author:  hvz [ Mon Aug 22, 2016 8:44 am ]
Post subject:  Re: Stereo Tool 8.01 BETA
Quote:
Quote:
- Check that FM output can still be L/R stereo if Stereo/RDS encoders are disabled -> No. Needs to be fixed. -> Does what it should do now.
So every versions prior to BETA801-001 was not right with the RDS? (because after that version is where the RDS became a problem for me).
IMO, it seems the mono effect problem that started after that version may have been associated with the "FM Composite Limiter Overdrive" because in my trying to simulate the problem in prior versions, whenever I turned that setting up above 101%, it would create the same issue I have now with every version above BETA801-001.
Hi Valiant,

I recall correctly, you're feeding left/right (2 plugs with a different signal!) audio into your transmitter which performs the stereo generation. But, somehow, it leaves the RDS that Stereo Tool (before 8.01 BETA) generates through as well. Your transmitter is generating the stereo, but is not performing any lowpass filtering on the inputs. Ok... I just realized how this can work. If the transmitter just lets the whole signal (upto 60 kHz) through for the L+R, and for L-R it probably does the same thing, then the fact that in L-R the 2 identical RDS signals gets subtracted from each other gets rid of that. If that wasn't the case you would be getting multiple copies of the RDS signal in your spectrum, but due to this that doesn't happen.

Ok, I can see that it might be useful to support this (but, the alternative with mono output with RDS is needed for many more users). I would still suggest to disable the pilot generation in your transmitter (if possible) because then you can use the composite output from Stereo Tool and - if you use the composite clipper - get a much better sound!
Author:  pthompson3 [ Mon Aug 22, 2016 12:21 pm ]
Post subject:  Re: Stereo Tool 8.01 BETA
Crash. OK on restart.
Author:  pthompson3 [ Mon Aug 22, 2016 1:32 pm ]
Post subject:  Re: Stereo Tool 8.01 BETA
Hans,

Is it possible to add a date/time stamp in the line entry of c:\temp\StereoTool_Exceptions_Log.txt. I need to see whats happening in a timeline with VLC restart.

Timeout detected: Sound card input or output did not respond.
Restarting: NO
Timeout detected: Sound card input or output did not respond.
Restarting: NO
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