Stereo Tool
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Stereo Tool 6.10
https://forums.stereotool.com/viewtopic.php?t=3065		 Page 55 of 213
Author:  sparman [ Sun May 29, 2011 3:07 pm ]
Post subject:  Re: Stereo Tool 6.10
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LOL... Great minds think alike...
Oh, thank you ;)

You would need to program your own audioplayer? Hmm, and if it only able to play mp3? Maybe there is no need for wma, ogg, ... and all the other formats. Btw, next week i get my new soundcard. It was hard to find one with PCIe connection, not too expensive, 192khz, with good audioquality.
Finally no more onboard sound, i can enjoy the new soundquality. :D
i`ve got this week the follow soundkaart, en it works great. a little bit seeking for the right cardsettings. but then you have a great sound. Price 99 euro
http://www.emu.com/products/product.asp?product=10447
Author:  Vortan [ Sun May 29, 2011 4:43 pm ]
Post subject:  Re: Stereo Tool 6.10
Yes, those cards are very good, but most of them have the old PCI slot, i want a card with the newer PCIe slot, now i found one. ;)

Good news, Hans: http://blog.winamp.com/2010/10/20/winam ... ow-in-beta 8-)
Author:  hvz [ Sun May 29, 2011 5:33 pm ]
Post subject:  Re: Stereo Tool 6.10
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Good news, Hans: http://blog.winamp.com/2010/10/20/winam ... ow-in-beta 8-)
I know, but will they support plugins?
Author:  Chris [ Sun May 29, 2011 8:12 pm ]
Post subject:  Re: Stereo Tool 6.10
Very nice Dynamic Booster :) :)
I want to ask something on todo list.... about a month ago we mention that Omnia has better stereo wide than ST.. i think we have to check on this Hans and in mine opinion is the only one that omnia is better than ST, meaning that St improved so much in everything, than stereo wider...!
Author:  Nuke420 [ Sun May 29, 2011 8:16 pm ]
Post subject:  Re: Stereo Tool 6.10
Quote:
Quote:
Good news, Hans: http://blog.winamp.com/2010/10/20/winam ... ow-in-beta 8-)
I know, but will they support plugins?
Not anytime soon they won't. Maybe once we start getting dual core and quad core phones that don't eat tons of battery life just doing normal things. Once they fix that then we will pretty much have a full PC in our pockets. Then I would hope Winamp for Android would support native plugins. :)

-n4-
Author:  sparman [ Sun May 29, 2011 9:02 pm ]
Post subject:  Re: Stereo Tool 6.10
Quote:
Yes, those cards are very good, but most of them have the old PCI slot, i want a card with the newer PCIe slot, now i found one. ;)

Good news, Hans: http://blog.winamp.com/2010/10/20/winam ... ow-in-beta 8-)
it is with the new PCIe slot ;)
Author:  hvz [ Mon May 30, 2011 12:21 am ]
Post subject:  Re: Stereo Tool 6.10
BETA048:
- Fixed some bugs in the Natural Dynamics filter; added mode that boosts transients (VERY short sounds) better (at the expense of a higher CPU load; can be turned off).
- Changed declipping/natural dynamics window layout (window was too high for lower resolution displays).

Edit: Just ran some tests; I'm getting better results if I increase the Natural Dynamics 'expected input level' slider to around 100,000. Also, I've noticed that while this filter does wonders for bass and treble, it's usually not that good for mid tones, especially voices (which, if increased, have far too much effect on the AGC). I want to make the 'expected input level' and 'filter strength' sliders available for each frequency band separately, so the effect can be configured separately for each frequency band.

Edit #2: "Boost transients" makes the sound WORSE! So turn it OFF!

Edit #3: When I turn the Strength slider up I still hear some weird effects in the audio. I'll try to smooth things out further.

From the previous beta (still valid):
The CPU load is also pretty high because I'm calculating 32 different tilt levels to find the best match (so automatic tilt detection works, but it needs serious optimization).

New slider: "Declipping margin" - if you set this to 75%, everything above 75% of the maximum level is considered to be potentially clipped.

Changed slider: "Never consider samples to be clipped if they are lower than:" - rule out soft sounds, whatever they look like, they are not clipped.


Winamp DSP plugin: http://www.stereotool.com/download/dsp_ ... 20-048.exe
Stand alone version: http://www.stereotool.com/download/ster ... 20-048.exe
VST version: http://www.stereotool.com/download/vst_ ... 20-048.dll
VST version (No SSE2): http://www.stereotool.com/download/vst_ ... 20-048.dll
Command line version: http://www.stereotool.com/download/ster ... 20-048.exe
Linux command line version: http://www.stereotool.com/download/ster ... ETA620-048 NOT AVAILABLE
Linux GUI version: http://www.stereotool.com/download/ster ... ETA620-048 NOT AVAILABLE

TODO:
- Fix loading changed multiband frequencies
- Add buffer and filter for SCA output (SCA1 ok, SCA2 ok)
- Finish AGC improvement - make mono value configurable (replace checkbox by slider) 1 hour --> NO, not needed - anything else needed? -> NO
- Fix Punch
- Check what to do with new filters (such as bass AGC) - keep them, remove them, change them? --> KEEP
- Save new BASS_AGC setting in VST mode
- Loudness: Annoying cracking sound in bass. Slightly present in 5.00, worse in 6.00, maybe even worse in 6.10. Only when bass is too loud. Much worse than in Final Limiter (at same input level!) - so this clearly indicates a bug. Most likely cause: The filter that was added to remove bass artifacts....... :shock: - No, it's the louder bass. But it can be fixed by changing some settings. Default settings updated, and behavior for 'not Very strict' improved. Also Deep bass boost and Very deep bass protection are enabled for latency 512 now.
- Fix crash at program close
- Fix VST plugin version (does not run)
- Dynamically drop 'Allow louder highs, even if it causes vibrations' to 0 when bass filter suspects noticeable voice vibrations. 1-2 hours
- Reduce Loudness CPU load days?
- Check and remove static variables
- Finish new de-essing filter (check what to do with the settings, remove at least some!) 1 day
- Convert Multiband input to MONO, then use arrays [2][4096] --> should give speedup. - FAILED
- RDS issue reported here: viewtopic.php?f=15&t=3703&p=11524#p11524
- Always oversample clipping (configurable)
- Natural Dynamics: Fix or remove transient boost
- Natural Dynamics: Smooth out different bands more to reduce low-bitrate-MP3-like sounds.
- Natural Dynamics: Add expected + strength slider per band
- Declipping filter: Change detection at lower input levels.
- Finish declipping filter (clipping level detection + level reduction in dB). 1. Figure out why removal of unwanted frequencies causes flat lines at high quality setting with small overlap. This causes distortion, with this fixed repairs are MUCH better. 2. Implement MP3 correction, automatically scale down when this deteriorates the sound.
- Update presets? (BASS_AGC etc.) 1 day
- Finish blind interface
- Add AGC start level
- "Test Right Channel" in "FM Transmitter Calibration" does not work since v6.10 (standalone) (bojcha)
- Channels L/R swap in stand alone version when changing filtering/quality (?) (eldoradofm)
- Move pre-emphasis to end of processing 1 day
- Change version number 1 hour
- Release 1 hour
- Add lowpass filter for stereo signal (will cause a lot of extra latency!) - it might be possible to avoid this latency using a Hilbert transform
- Add smarter clipping detection. Maybe something much simpler suffices: Current clipping detection with threshold + flat line detection
Author:  Bojcha [ Mon May 30, 2011 12:37 am ]
Post subject:  Re: Stereo Tool 6.10
Quote:
- Add AGC start level
What's this exactly?
Author:  hvz [ Mon May 30, 2011 12:53 am ]
Post subject:  Re: Stereo Tool 6.10
Quote:
Quote:
- Add AGC start level
What's this exactly?
Mainly for the VST plugin: If you process a single track, the AGC currently starts at maximum output volume, then drops rapidly when the first tones appear. It should start at a (configurable) lower level.

Have you checked Lady Gaga with the new dynamics boost filter? I cannot listen to it without it anymore... :?
Author:  Bojcha [ Mon May 30, 2011 1:05 am ]
Post subject:  Re: Stereo Tool 6.10
Quote:
Quote:
Quote:
- Add AGC start level
What's this exactly?
Mainly for the VST plugin: If you process a single track, the AGC currently starts at maximum output volume, then drops rapidly when the first tones appear. It should start at a (configurable) lower level.
Ah, that's something i wanted to propose erlier. This can be very useful. + Something like "back-to-original-position" (when silence)
Quote:
Have you checked Lady Gaga with the new dynamics boost filter? I cannot listen to it without it anymore... :?
Alejandro?

To be realistic, i have only demo from Omnia.9. to compare, not even close to that MB expander. But maybe that's not intention.
And.. still i can't say any good or bad for de-clipper and dyn.booster, because it's too much depended on input signal.
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