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PostPosted: Wed Feb 14, 2018 8:09 pm 

Joined: Sun Jan 04, 2009 2:54 pm
Posts: 169
Location: Finland
How do you use the VLC stream input? I reinstalled VLC already. All I get is Stereo Tool basically hanging, and yellow "Stream restarted after ERROR!".


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PostPosted: Wed Feb 14, 2018 11:00 pm 
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Joined: Thu Apr 07, 2011 2:37 am
Posts: 148
Location: Napier, New Zealand
Quote:
How do you use the VLC stream input? I reinstalled VLC already. All I get is Stereo Tool basically hanging, and yellow "Stream restarted after ERROR!".
For me, I just put in the StreamURL the address I want to stream, its' really easy.

http://my.stream.site:5001/stream

Pretty simple.
You don't need to have VLC installed, it's "built into" Stereotool.

_________________
I just use ST Winamp to listen to music.


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PostPosted: Thu Feb 15, 2018 5:41 pm 

Joined: Sun Jan 04, 2009 2:54 pm
Posts: 169
Location: Finland
Okay. I inputted the stream address as you suggested, but it's still yellow.

Anyhow, another question: how can you increase the rate of polling a Radiotext file? It now takes about 30 seconds to respond to changes made in specified file. Linux btw. I recall that Windows version reacted much faster.


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PostPosted: Thu Feb 15, 2018 6:15 pm 
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Can you try if you can open the stream in VLC itself?

This is also an option:

If necessary you can supply extra VLC command line arguments after the URL. For example --extraintf logger -vvv will show a logging window that might be useful to find out what's happening exactly (do not turn this on during normal usage because it can make things unstable). Other options can be used to control sample rate, buffering and more. For a full list of options (some can cause big problems when using them from within Stereo Tool) see VLC command line help.


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PostPosted: Thu Feb 15, 2018 6:15 pm 
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New build (for Windows) is running, the Pi/Mac build is currently broken due to all the changes. This will take a few hours...


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PostPosted: Thu Feb 15, 2018 6:16 pm 
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Quote:
New build (for Windows) is running, the Pi/Mac build is currently broken due to all the changes. This will take a few hours...
I have strapped myself in for the excitement :-)

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PostPosted: Thu Feb 15, 2018 11:33 pm 
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Stereo Tool 8.55 BETA028

NOTE: KNOWN (REPORTED) ISSUES:
- Max release speed is broken! It works inverted, all the way up is still off. But close to that it stops release completely
- Symmetric modes are visible for Digital compressor but not implemented!

Windows 32 bit:
Windows stand alone: http://www.stereotool.com/download/ster ... 55-028.exe
Winamp DSP: http://www.stereotool.com/download/dsp_ ... 55-028.exe
VST: http://www.stereotool.com/download/vst_ ... 55-028.dll

Windows 64 bit:
Windows stand alone: http://www.stereotool.com/download/ster ... 55-028.exe
VST: http://www.stereotool.com/download/vst_ ... 55-028.dll


CHANGES:
- New compressor mode. Check all weird settings, optimize, new peak mode, remove faster attack/release, add setting for max release, fix max attack/release speed controls. Things to check: "Peak", "Peak mode", "Feedback", "Feedback^2", "Exponential release", "Max attack speed", "Max release speed". New mode is called Symmetric RMS, there's also a Symmetric Averaging but I will probably remove it because it's not useful. MORE INFO BELOW!
New AGC mode MORE INFO BELOW!
New Auto EQ and Bass EQ mode (not switchable in Bass EQ since that's new anyway). MORE INFO BELOW!
- RDS: Add PTYN
- RDS: Add timeout for TA
- Improved multipath protection
- Improved Stereo Image phase limiter
- Revisit new Hard Limit / Final Limiter with Matt & Wes - Settings removed Waiting for final feedback.
- MPEG detection is too insensitive now -> Probably fixed Waiting for feedback
- UECP UDP mode Waiting for feedback
- TA/TP via MagicRDS. Auto-enable TP if TA is used? (no)
- Added THIMEORT in ASCII RDS mode.
- Spectrum displays are broken in 4K mode
- Compressor/limiter on input before AGC to handle extreme sounds? / 2nd AGC with higher threshold for voice tracks Added, may need new mode. Waiting for feedback.
- Add auto save to Linux build Waiting for feedback
- VST delay appears to be wrong - Phase Delay and Threads
- VST version no 4K
- Backup input - fix overshoot display
- Backup input - check stereo
- Fix web server long URL issue Test release mode needed
- Scrolling through presets in 4K mode locks screen (crashes).
- Pilot-only output for 9 , works but needs to be sent back to O9SG

New compressor mode info:
About 3 years ago I wanted to redesign the whole compressor based on how water pressure control systems work. The whole idea was to have a compressor that moves fast when it has to, but stands still when it can. And that it would behave 'naturally' - it's something that you could actually build with real components (if you treat water pressure as audio levels).

This appeared to work pretty well. If you play a dynamic track, the compressor acted fast, and if you play an already compressed track it does nearly nothing. This is great - because it doesn't add 'restlessness' to already compressed audio, which would lead to listener fatigue.

Short summary of the rest of this text: It never worked as I envisioned! (And I never even realized that). But now it does!!

Some people have complained about the attack sometimes working too fast - which was mainly noticeable in loud 'S' sounds. The fast attack with much slower release could cause a 'gap' in the audio after the S. But I figured that that was a more or less logical consequence of the the whole act-fast-when-you-have-to idea.

Now fast-forward a bit. Last year, 2 people (Wes Keene and Matt Levin) were working on a preset together with very high compressor ratios and they noticed that in one particular track, a vocal which was originally louder than the surrounding sound actually came out softer. Well, that's not good. It sounds really annoying and broken. After looking into it I found out that my design was actually not - as I had thought - controlling the level based on RMS levels, but based on average sample levels. In most cases that's closer to RMS than peak, but it's not perfect, and as it turned out, in some cases flat out wrong.

So, I added a new mode that actually controls things based on RMS levels. And - different than many traditional compressors - it would control based on RMS levels regardless of whether it's long time or short time levels that you're looking at. Typically, a compressor would use some window over which it calculates the RMS level, and then control the audio based on that. That works great for most content, but if you play a track that for example has a very loud kick every second or so, the RMS window won't help a bit and your long-term level will probably be too low.

So I created a new RMS mode, renamed the old one to Average mode, and thought I was done. But, the problem with loud "S" sounds has gotten way worse! And it was even worse than that: Release was slower than before. So to fix that, I added some "patches": "Big release speedup" and "Big attack slowdown".

This new mode doesn't need that anymore. It's completely symmetrical, and it's still RMS-based, both on short and long time intervals! It still moves slowly when it can and fast when it has to - but not insanely fast if the attack is really big. And release isn't very slow anymore.

Since attack and release speeds are now virtually identical for RMS and Average mode, and you probably prefer RMS levels over Average levels, the new "Symmetric Average" mode is basically useless. I've put it in for now for testing, but I'll remove it afterwards.

The AGC and Auto EQ were suffering from similar issues, and I've fixed those too. There you can just disable "Legacy mode" - if I'm not wrong, the new mode should be better for any purpose than the old one.

Important: The CPU load is really high right now. I will optimize it later.

Also important: You can't just enable this new mode and expect everything to be fine without changing the settings. For small level differences there won't be a difference, but there will be for big differences. You'll definitely notice the slower attack on big level jumps.



OLDER CHANGES:
- Self test crashes
- Fix affinity for Linux and Mac - Mac doesn't support it.
- Edwin's bass effect - is that done now? (Maybe an extra HPF?) -> Not needed for now, based on preliminary tests...
- Put Bass EQ under license
- Do we need multiple Basstardizer bands? -> Doesn't seem like it. Not for now.
- Remove Hans mode from Bass EQ? -> Hid it (Extreme Tweaker mode, Matt mode is default, made it a pulldown instead of a boolean to clarify its behavior).
- Octaviafm extra logging? - Waiting. Once we know the cause I'll run a new build. But I'm not going to hold off releasing the current version, since 1. this issue doesn't have any side effects anymore and 2. it very likely isn't new. -> Nothing heard anymore
- Would multiple where_i_am start points improve attack? YES!!!! Think about how to implement it...
- Enabling low latency output caused crashes
- NAN recovery added to Basstardizer
- Top area of GUI made a bit higher, not all menu items fit before
- Bigger font and widgets on 4K screens
- Added Basstardizer
- Remove warnings that were shown for things that weren't even enabled.
- Fixed NAN in 8.54 in several versions in the clipper (reported by 1 person, appears to have been settings-related).
- Matt's bass effect Ready to get feedback, see "BASS EQ" before or between multibands! See note below.
- Fixed Mac multiband compressor gate error after NAN recovery.
- Add Breakaway Pipeline warning
- Add low input level warning
- Add too little AGC action warning
- Add too much noise gate warning
- Add too much BS412 action warning
- Added ASIO latency setting.
- Made streaming with libVLC easier, WARNING though, the audio quality is still the VLC streaming audio quality, there are better encoders out there. This only affects the stand alone versions.

NOTE: Bass EQ
1. This thing should not really be needed because there's already Auto EQ. However Matt Levin insisted that it's useful, especially now that they are playing very old Christmas music, so let's try it out!
2. There are 2 modes: Matt Mode (see checkbox) or Hans mode (unchecked). In Matt mode, the highest band is not adjusted but it is used to determine the levels. So in the last stage, the highest band is in bypass mode, but the other bands respond as if it's working as well. So the bass is adjusted compared to the full spectrum. In Hans mode, the highest band is ignored completely, so if you use 2 bass bands, they are adjusted to match each other, but not the rest of the audio.

TODO:
- Max release speed is broken!
- Symmetric modes are visible for Digital compressor but not implemented!
- Crash reported by near05 (fixed?)
- Classical preset
- NAN seen when switching to new compressor mode which also doesn't get recovered - silence afterwards. (Peak mode recovers it though).
- Make default window size bigger for 4K
- Optimize new compressor mode
- Make 9/9sg pilot generation smooth for external feeds for DARC etc.
- Bass mono fiter to reduce multipath
- NAB text & ads?
- Is pre AGC affecting audio levels? (With BS412) -> Not specifically for BS412, but it slightly reduces the level even if set a lot higher. Probably needs some offset.
- Aanvraag uren
- AM streaming output
- Basstardizer fadeout (Edwin)?
- Add AM presets
- Check MB2 1% something (see FB chat about crackling sound, which was ok in 8.00). Test with Rhodes54 preset -> Ok. But Spideys Web (7.41 vs 8.54) is different, let's test that.

- AF method B via UECP
- 18 Hz trigger tone
- Declipper check L-R effects
- Reduce extreme stereo
- Raspberry Pi "gedeelde bibliotheek" melding.
- Check out Butt
- Add libVLC instability warning
- Loudness meter (also for streaming)
- Omnia.9 set Stereo signal. Probably fixed? Wait for answer.
- Omnia.9 test/fix logging
- Omnia.9 AutoPilot add flag for generating noise above pilot?
- WatchCat website
- Triple stuff
- Thumb up/down in GUI for presets

- SCA2 use as backup, feed to output without processing, bypassing normal chain. Use to have FM receiver as backup, and then just feed the full signal to the output.
- uMPX 24x2ch interface
- One bass page

- GUI: Hide disabled stuff, far less confusing / much cleaner interface.
- Talk to chip
- 2 jaar
- Fardau
- -24 dB side chain range?


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PostPosted: Fri Feb 16, 2018 8:40 am 

Joined: Sun Feb 03, 2013 2:39 pm
Posts: 333
Well, what to say?
Input level bars are still not reacting to Pre amplifier changes.
GUI window size still doesn't consider increased font size on 4k monitors. Therefor all buttons can only show a few big letters.
And we were always annoyed by the ST installer trying to go online on install, but is it really necessary to force MS edge to open which isn't even the system default browser?


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PostPosted: Fri Feb 16, 2018 9:39 am 
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Joined: Mon Mar 17, 2008 1:40 am
Posts: 11187
Quote:
Input level bars are still not reacting to Pre amplifier changes.
They shouldn't?! Unless you mean the Gain sliders for the sound card/plugin input, but I tested those and they work.
Quote:
GUI window size still doesn't consider increased font size on 4k monitors. Therefor all buttons can only show a few big letters.
Works fine on my end, otherwise I wouldn't have posted this version. Do you have a screenshot? And which version are you using, on what Windows version?
Quote:
And we were always annoyed by the ST installer trying to go online on install, but is it really necessary to force MS edge to open which isn't even the system default browser?
Hm, let me check why it chooses that. If I recall correctly the installer software has an option to open a browser, I don't know though why it chooses Edge over the standard.


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PostPosted: Fri Feb 16, 2018 10:37 am 

Joined: Sun Feb 03, 2013 2:39 pm
Posts: 333
  1. I mean the green input level bars in the GUI (4k monitor, 144 dpi). When moving the Pre amplifier slider the output bars change accordingly but the input bars stay at 100% volume no matter what.
  2. The default GUI window and button size is exactly the same for 8.54 and 8.55. However before with 96 dpi the text fitted the buttons perfectly and now with 144 dpi it obviously doesn't. This is the Winamp plugin 8.55 beta 28 on Windows 10 RS3.
  3. I think the installer should at least ask me for consent before opening anything. Btw is the installer needed at all or can I just unpack it and put the ST dll at my wished location? The cpudesc.dll is only used for the installer and not needed for ST, right?
  4. What exactly does the symmetry slider make symmetric? What value makes it symmetric?


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