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Spectrum Analyzer Visualisation

By: oops

foo_vis_wispan is a spectrum analyzer visualization implemented with GDI. It is a port of the Classic Spectrum Analyzer (vis_classic) Winamp visualization plug-in by Mike Lynch.

Features
  • Accurate, detailed, customizable spectrum analyzer.
  • vis_classic library has been upgraded to compile with a modern toolset.
    • Upgraded the resolution of the waveform passed into the library from 8 bits to 16 bits.
    • Other changes are mainly to integrate with foobar2000 instead of Winamp.
    • That means bugs in the original are still likely to be present.
  • Options can be modified and their effects viewed in real-time as the component is running.
  • Compatible with the Default User Interface (Default UI) and the Columns User Interface (Columns UI).
  • Tested on foobar2000 v2.25.1 (x86 32-bit and x86 64-bit) and Microsoft Windows 11 (Build 26100).
Limitations
  • It still runs at a maximum vertical "window" size of 255 pixels.
  • It still uses the INI files to save settings.
  • Only 1 instance of the component is supported.
  • FFT equalization is negative logarithmic (base e) curve.
  • It only includes minimal bug fixing in the original library.
  • The component assumes Windows 10 as a minimum.
Installation
  • Install the component using the "foo_vis_wispan.fb2k-component" file that can be downloaded from this page.
  • Profiles are placed in this component's folder of foobar2000. This should be "<foobar2000 profile folder>\wispan".

Current version: 0.0.1-beta1, released on 2025-09-17

Download

Change log:

  • Fix layout change crashes on initialization [bug]
  • Enable multi-instance destroy/tracking [change]

Supported systems: Windows 32-bit, Windows 64-bit, Windows ARM.

Works with foobar2000 v2.0 and newer

Links

View version history
Documentation
Discussion

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Tags: Columns UI panel, Default UI element, visualization

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