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FlexCurve 1.0.1

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@Mixomo Mixomo released this 20 Jun 04:59
· 1 commit to FlexCurve since this release
1.0.1.flex.curve
b356c6d

FlexCurve 1.0.1 Update

bundled with CalCurve 1.0.1

FlexCurve 1.0.1 is a major refinement release focused on stereo L/R control, safer AutoEQ behavior, improved metering, better layer editing, smoother GUI ergonomics, and a cleaner build/release workflow.

FlexCurve is a VST3 headphone-correction curve editor, layer-based calibration tool, AutoEQ workspace, and FIR renderer. It imports local TXT, CSV, Equalizer APO / Wavelet GraphicEQ, APO Parametric EQ, Melda FreeForm EQ CSV, and WAV FIR files as editable layers, previews changes in real time, blends active layers into an Average curve, and renders the result as Minimum, Natural, or Linear phase FIR.

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This release also includes CalCurve 1.0.1, the simpler companion plugin. CalCurve is intended for direct use of already-exported calibration files: load a TXT/CSV correction curve or FIR WAV, choose the phase mode, and apply it through convolution.

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Use FlexCurve when you want to edit, combine, compare, AutoEQ, render, export, or build calibration curves. Use CalCurve when you only want to load and apply a finished correction curve or FIR with a lightweight interface.

Download

Download the release assets below:

FlexCurve.zip
CalCurve.zip

Install

Extract the ZIP file you want to use.

Inside each extracted folder, find:

FlexCurve.vst3
CalCurve.vst3

Copy the full .vst3 folder/bundle to your Windows VST3 plugins folder, for example:

C:\Program Files\Common Files\VST3\

Open your DAW and rescan plugins if needed.

New in FlexCurve 1.0.1

Stereo L/R Workflow

  • Added independent Left / Right correction state per layer.
  • Added per-layer channel selection: L+R, Left, and Right.
  • Added linked/unlinked stereo editing behavior.
  • Editing only Left or Right now splits the layer safely without destroying the other side.
  • Added explicit stereo linking so one side can be copied intentionally to both channels.
  • Added split-channel render/export support.
  • Stereo FIR export now writes true stereo FIR WAV files when L/R differ.
  • Mono-compatible export is preserved when both channels are identical.
  • Added per-layer balance trim for headphone channel-balance correction.
  • Added global Balance control.

Auto Gain And Metering

  • Added live IN / PRE / OUT level display.
  • Added dynamic peak/RMS style meter feedback.
  • Added visible Auto Gain compensation readout.
  • Meter values are now dynamic instead of latched.
  • Meter color state follows current audio behavior.

Crossfeed

  • Added Advanced Crossfeed window.
  • Added selectable crossfeed algorithms / presets inspired by practical headphone crossfeed workflows.
  • Added editable advanced crossfeed parameters.

GUI And Usability

  • Improved overall GUI spacing, scrolling, and resize behavior.
  • Improved graph scaling and vertical navigation.
  • Improved header layout for smaller view widths.
  • Reduced control compression in Global Controls.
  • Improved VU meter layout.
  • Removed redundant placeholder hints from empty edit areas.
  • Updated Help window to describe the current FlexCurve feature set.

FlexCurve highlights

  • Editable multi-layer headphone correction workflow.
  • TXT, CSV, GraphicEQ, APO Parametric EQ, Melda CSV, and WAV FIR import.
  • Target curves and RAW measurement references.
  • AutoEQ from RAW measurement to Target.
  • Corrected Measurement tracking curve.
  • Average curve rendering.
  • Graphic EQ, Variable EQ, and Parametric EQ editing.
  • Minimum, Natural, and Linear phase FIR rendering.
  • FIR export at the current host sample rate.
  • Input/output metering, Auto Gain, Output Gain, and safer A/B loudness matching.
  • Presets with embedded curve data.

CalCurve 1.0.1 Highlights

  • Lightweight VST3 convolution calibration plugin.
  • Loads TXT/CSV correction curves and WAV FIR files.
  • Converts curves internally to FIR.
  • Minimum, Natural, and Linear phase modes.
  • Auto Gain for closer Dry/Wet and Bypass comparison.
  • FIR export using the current host sample rate and phase mode.
  • User presets with embedded fallback curve data.

Notes

FlexCurve and CalCurve do not ship as a closed headphone database or simulation engine. They are designed for local calibration files, exported correction curves, FIR files, and user-managed measurement/target workflows.

Example Curves

https://github.com/Mixomo/My-Headphones-Calibration-Files

More Calibration Curves

https://autoeq.app/

squig.link

https://squig.link/

Assets 4
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