Stereo Tool

Doggy, i am totally disagree!

Maybe is good to have de-esser and new "Advanced Bass Distortion Protection" On and Off, but when is about quality .. latest beta is much much better then beta25!
Anyway, for the first time, FM outout can work from DSP without FM artifacts!

Hell Yeaahhh
Thanks to all of us......
I leave You a message !

But i`m still think that beta 25 have the only problem with bandpass . Nothing more !! In beta25 at the same settings , the "bass protection vs. high`s (witch is again always ON) is much much noticeable ... and if i test it strictly i`m sure to find something more ... i have the feeling that this new options are "limiting" the signal more . It`s enough in beta25. Don`t need more ! It`s totally tested ! .... Thatswhy this options must be "optional" and must have the ability to ON and OFF them.
I`m talking about options after beta25 ... to be able to switch ON and OFF ,not present always !!

Low pass filter is alot better now. Seems to cut off really sharp.

I just found a bug in Punch that I think was introduced in one of the earlier BETA's, which may cause the Punch level to vibrate in certain circumstances (high Loudness values), or which may cause distortion in others (low Loudness values).

I'm working on a fix now. This fix has apparently NO effect on any of the "user presets" that I have included in Stereo Tool...

Transported TODO list from page 86:

What remains for version 5.10:
- Disable separate pre-emphasis and relaxed clipping when FM processing is enabled. It's currently too confusing. ■ DONE
- Remove remaining spikes -> behavior is incorrect, it should partially maintain spikes that are really big (= difficult to get rid of). ---> Looking into this I found that I need to do something very different, and I also need to do that for normal (non-web based) processing: ■ DONE
- Add 'maximum mirror reflection' and make it configurable. ■ DONE
- Add an extra slower Hard Limit phase, or let the volume come up slower when the peaks get really loud, to avoid bass artifacts in xylophone sounds. Easy to do where hard_limit_volume[] is used. ■ DONE
- Also fix the singleband behavior (AGC style on/off). ■ DONE, default is OFF again, built-in presets with Loudness get ON
- Fix Loudness distortion caused by louder bass and lower highs. ■ DONE
- Use 'large file mode' for command line version. ■ BUSY, waiting for reply ■ DONE
- Fix hangups for switching between Singleband AGC/non-AGC switching. ■ DONE
- Save all new settings to disk (INI and VST): 'maximum mirror reflection', 'multiband constant frequency', ... ■ DONE (?)
- Reduce Loudness window height a bit. ■ DONE (?)
- Fix Punch artifacts ■ DONE
- Fix 'dirty punch' due to different handling of the very deep lows and deep lows. -> Must follow Lowpass filter settings. ■ DONE
- Attempt to make bass filtering below 90% more strict in Loudness ■ DONE
- Enforce limiting strictness even if Punch is enabled. ■ DONE
- (Optional) add FM hiss filter - removes FM hiss from input signal, useful for re-transmitting ■ DONE
- Fix Very deep bass distortion protection artifacts (or remove it) ■ DONE - not perfect but won't get better than this
- Set Allow louder lows to +10000 (or remove it) ■ DONE
- Fix settings in presets to closer match modern CD sound (less highs etc.), using the Median display. ■ BUSY
- Fix Allow louder highs behavior. Attempt to replace it by a highs AGC. And rename to de-esser. ■ DONE
- Test what happens if I (constantly) allow more distortion! ■ DONE
- Move strictness to lowest freqs only? Currently audio is also kept below configured midlow level (100%) instead of below configured verylow level (90%). ■ DONE, using separate settings instead now -> Low freq area is still needed for voice vibrations!
- Check if voice vibration filter can be set much softer due to strict bass clipping. ■ DONE, no... But since it's not needed to also reduce the bass during Punch it's not too bad.
- Replace current filtering by bass clipping in each clipper step? Or at least lower the number of filtering steps. (Lower CPU usage and better "S" protection expected). ■ DONE
- Fix De-esser in 512 samples mode ■ DONE
- Disable Very Strict button when Strict is disabled ■ DONE
- Change 'Allow louder highs' name to avoid problems with older versions, add dB display, and save as real value. ■ DONE
- Loading and saving new setting in STS file ■ DONE
- VST: Loading and saving new setting in VST plugin ■ DONE
- VST: Add setInitialDelay() call to compensate for Stereo Tool processing delay ■ DONE
- VST: Make VST version working again on all hosts! ■ DONE
- VST: Check loading and saving of int/float parameters in VST plugin hosts ■ DONE
- VST: Bypass mode: Copy input to output when out-of-place processing is selected ■ DONE
- VST: Keep window at position (0, 0) with its specified size. Change borders. Separate VST plugin main window without close icon ■ DONE
- Display de-esser and voice vibration filter effects ■ DONE
- PRESET: Check the new presets (including Bojcha's). ■ DONE
- Check FM Calibration 20 Hz band ■ DONE, same as previous versions
- Check which 'New Loudness bass processing' sliders must be kept, and place them at correct location. ■ DONE
- Max highs on loud the parameter is not saved ■ DONE
- Move identical presets to a separate function. (All Gtxx's, Bojcha's, ...) ■ FORGET IT
- Fix Final Limiter diff ■ DONE
- Add Loudness diff ■ NO
- Check audio (bass processing) in lower latency modes ■ DONE
- Loudness CPU load is 29% higher than in version 5.02, needs to be lowered. 1/3rd of that is Strict bass filtering, 2/3rds is Voice vibration filtering. ■ BUSY, now 27% - Back to 29% - Now at 26%; TODO: 1. Add more efficient 2/3 band filtering (2*FFT + CLIP + ADD + 2*FFT + CLIP + CLIP + ADD + CLIP --> 2*FFT + 1*FFT + CLIPCLIPCLIPADDCLIP_LOOP). 2. Check if 1st Loudness call is really needed for non-strict bass processing. - Now at 24% (21% without 1st Loudness call). - TOTAL CPU load is only 6% higher without Final Limiter ■ DONE
- Fix voice vibration filter in 512 sample latency mode ■ DONE
- Fix dynamic Loudness input level behavior of Punch ■ DONE
- PRESET: Update FM presets for louder highs ■ DONE
- PRESET: Check and add good new presets (also in the 'share your settings' forum). ■ BUSY (5 added, 1 to go (maybe), name Gtxx preset must be changed, non-webradio (generic) must be added); dubstep party presets for FM don't turn on FM! Probably remove Vamprecords (too much changed, no longer needed), Check O-84 AGC up speed; fix Phoenix' BBC Radio 1 preset name
- VST: Check audio issues (muffled, different AGC up speed). ■ DONE (for now)
- Release 5.10
- UPDATE DOCUMENTATION

Later:
- Protect Multiband against steep valleys
- 192 kHz FM output
- 400 Hz tone, Bessel null tones? [eldoradofm]
- Stable scope (see viewtopic.php?f=14&t=2726&start=10 . Probably solution is to find the loudest tone, with boost for the lows, and then lock to that).
- Cleaner FM hiss filter output (currently some artifacts remain, I think they can easily be removed)
- AGC rolloff slider for Michi - see viewtopic.php?f=10&t=2712&p=7667#p7667

Ow. Before I release anything:
QUESTION: - Is there a sound quality difference in Loudness between BETA79 and BETA80? (Very strict bass clipping enabled) - if not I'll use the BETA80 sound (saves some CPU power). ■ BOJCHA: OK; PHOENIX:
QUESTION: - Same question for the new 'Filter' checkbox in Loudness: Does anyone notice a difference between ON and OFF (if not I'll turn it off - saves some CPU power). ■ BOJCHA: OK; PHOENIX:
- If "Filter" is needed, I need to make sure that that setting is saved to disk... ■ BOJCHA: NOT NEEDED; PHOENIX:
- And I need to check a Debug build for potential crashes

I'm now building the next version with the last few fixes (Punch, and some minor preset changes).

beta80 is good! in my presets fm and stream "filtered" is off. I can't really find what is different. (strict, both, is ON)

Intend to try the last released beta 80A...but the link for VST is not a valid one. Hans, could you please check the VST link for beta 80A? Or may be re-upload it...sorry for the trouble!

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Oops - I just deleted that version because my harddisk was full (expected it to be on the server).

Maybe you can use BETA81 that I'm going to post right now.

No probs! Looking forward for it.

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