SOL-3 AnalyZer – Precision mastering analyzer focused on visibility | Feedback welcome!

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Hi everyone,

I've just finished developing a new audio analyzer plugin called SOL-3 AnalyZer. Instead of overwhelming the screen with endless menus, I wanted to create something that provides all the essential mastering information at a glance, with a very clean, resizable UI.
While the interface is minimal, the engine underneath is strictly standard-compliant:
  • High-Res FFT (8192 pts) with 1/12-octave smoothing for a clean, stable, jitter-free curve
  • 3 display modes – Integrated (M), L/R, and M/S for flexible stereo analysis
  • Strict ITU-R BS.1770-4 – Accurate Integrated / Short-Term / Momentary LUFS and LRA
  • True Peak Metering – 4x FIR oversampling for precise inter-sample peak detection
  • L/R Output Meters – Peak hold, with yellow warning (-1 dBFS) and red clip zone (0 dBFS)
  • 4 color themes (AQUA, FIRE, FOREST, RAINBOW) – choose what's easiest on your eyes during long sessions, or match your DAW's vibe
  • Fully resizable UI (450px to 1800px wide, fixed aspect ratio)
  • Tested and confirmed working in Reaper and Cubase

Platform note: Windows VST3 only at this stage. Mac / AU / AAX support is not available yet.

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I'm currently finalizing the release model and pricing– it will be very accessible. Before I pull the trigger, I'd love to hear your thoughts on the visibility and workflow. Would an analyzer like this fit into your daily mastering template?

Here's a short demo video:

Thanks for your feedback!
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Just a heads-up – I'm based in Japan, so there may be some delay in my replies due to the time difference. I'll do my best to respond to everyone!
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A few suggestions for things to add:

-> The option to deactivate smoothing because it can hide important information.
-> The option to use smaller FFT window sizes for faster response times.
-> The option for a different Y-axis/scaling (Like linear instead of logarithmic).
-> Enhanced Y-axis resolution down to -144 dBFS.
-> A variable aspect ratio.
-> Custom colors.
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Thanks a lot for the detailed suggestions — really appreciate it.

I can see the value in all of these, especially from a more analytical point of view.

That said, SOL-3 is intentionally designed to stay minimal and focused on fast visual clarity — something you can read at a glance without tweaking too many settings.

So for now, I'm trying to keep it simple and avoid adding too many options to protect the workflow.

However, I’ve noted all your ideas (like extending the Y-axis to -144 dBFS, variable aspect ratio, and custom colors) as fantastic features for a possible more advanced / Pro version in the future.

Thanks again for your input!
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Quick update — I’ve decided to release SOL-3 AnalyZer.

It’s now available for $9.99.

Thanks again for the feedback — really helped shape the direction.

https://solstudioaudio.gumroad.com/l/dgbxnww

Would still love to hear your thoughts if you try it!
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That's cheap. I will keep an eye on it in case you decide to add some of my suggested features.
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Just a tiny update to SOL-3 — tweaked the title font. Sometimes it's the small things.

https://solstudioaudio.gumroad.com/l/dgbxnww

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Sorry for the double post, but just pushed a small update. Added an FFT window size selector (2048 / 4096 / 8192 points) based on feedback from this thread — thanks for the suggestion.

FFT: 2048 — faster response (~46ms), good for transient-heavy material
FFT: 4096 — balanced
FFT: 8192 — maximum frequency resolution (default)

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https://solstudioaudio.gumroad.com/l/dgbxnww
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