Spek

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On the record

Adjustments

The spectral density range is adjustable.spek.cc · read 9 Oct 2026

Audio details

Spek displays the codec name and audio signal parameters.spek.cc · read 9 Oct 2026

Current version

The download page lists version 0.8.5 as the latest and says Windows and macOS installers are in beta.spek.cc · read 9 Oct 2026

Downloads

The download page offers a source tarball for BSD/GNU/Linux, Windows installer and archive, and a macOS installer.spek.cc · read 9 Oct 2026

Export

Users can save a spectrogram as an image file.spek.cc · read 9 Oct 2026

Formats

It supports popular lossy and lossless audio formats using FFmpeg libraries.spek.cc · read 9 Oct 2026

Interface

It supports drag and drop, associates with common audio formats, and has auto-fitting time, frequency, and spectral density rulers.spek.cc · read 9 Oct 2026

License

Spek is free and open-source software licensed under GPLv3.spek.cc · read 9 Oct 2026

macOS requirement

The 0.8.5 macOS installer requires Catalina or newer and is built for Intel CPUs; the maker says it should work with newer ARM chips.spek.cc · read 9 Oct 2026

Processing

Signal processing uses multiple threads to speed up analysis.spek.cc · read 9 Oct 2026

Purpose

Spek analyses audio files by displaying their spectrograms.spek.cc · read 9 Oct 2026

Support

The project asks users to report bugs and request features through its GitHub issue tracker.spek.cc · read 9 Oct 2026

Translations

Spek is translated into multiple languages.spek.cc · read 9 Oct 2026

Windows requirement

The 0.8.5 Windows installer supports 64-bit systems only.spek.cc · read 9 Oct 2026

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M MediaInfoAndroidiPhone & iPad+6 OA Open Audio AnalyzerAndroidiPhone & iPad+5 A ACRCloudAndroidiPhone & iPad+5 S SmaartAndroidiPhone & iPad+3 T TrueRTAWindows RL Raven LiteWindowsMac+1 OS Open Sound MeteriPhone & iPadWindows+2 SA SIR Audio Tools SpectrumAnalyzerWindowsMac

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