Dusk Audio Spectrum Analyzer

6.9easy start · #7 of 42
in Audio Analysis Software

Free to practise onyes
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on Linux, Mac, Windows.

Dusk Audio Spectrum Analyzer is ranked #7 of 42 in audio analysis software on The Geeks Club. It runs on Linux, macOS, Windows. There is a free plan.

Dusk Audio Spectrum Analyzer plans and pricing

All plans

Free Free Free; optional support is available. No trials · no feature limitations · no nag screens duskaudio.com · 5 Oct 2026

Compared on audio analysis software

Free plan: Yes
Real-time analysis: Yes
Loudness standards: Yes
Plugin support: vst
Analysis views: spectrum, loudness, true peak, stereo correlation, K-System metering

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The record

Purpose: Spectrum Analyzer is a real-time measurement plugin for viewing frequency spectrum, loudness, true peak, stereo correlation, and K-System headroom.
FFT display: The FFT display offers 2048, 4096, and 8192 sample resolutions, adjustable smoothing and slope, and optional peak hold.
Loudness metering: It provides EBU R128 compliant Momentary, Short-term, Integrated, and Loudness Range readings.
True peak and correlation: True peak detection is ITU-R BS.1770-4 compliant with 4x oversampling, and a stereo correlation meter ranges from -1 to +1.
Channel modes: The channel mode can display Stereo, Mono, Mid, or Side.
Audio path: The manual says the plugin is a pure analyzer that does not write to the audio path, so its output equals its input regardless of settings.
Plugin formats: The product page lists Linux VST3 and LV2, Windows VST3, and macOS VST3 and AU formats.
Host requirements: It requires a 64-bit DAW supporting VST3, LV2, or AU; the listed minimums are Debian 12+, Ubuntu 22.04+, or Fedora 36+ on Linux, Windows 10+, or macOS 10.13+.
Free and open source: Dusk Audio says all its plugins are free and open source, with source code available on GitHub.
Who it is for: Dusk Audio says it builds for everyone and identifies hobbyists, students, musicians in the open-source community, and Linux audio users as audiences it aims to serve.
Support: Users can report bugs and suggest features through GitHub Issues; financial support is optional.
Security and compliance: The product page states EBU R128 and ITU-R BS.1770-4 metering compliance; it does not state security certifications or a privacy policy.
Maker: Dusk Audio describes itself as a solo endeavor; the opened About page does not state headquarters or a founding date.
Price from: Free

Where it ranks on The Geeks Club

Best Audio Analysis Software in 2026#7 of 42

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Sources

duskaudio.com/assets/manuals/spectrum-analyzer-manual· checked 5 Oct 2026
duskaudio.com/plugins/spectrum-analyzer/· checked 5 Oct 2026
duskaudio.com/about/· checked 5 Oct 2026
duskaudio.com/support/· checked 5 Oct 2026