Spek – Acoustic Spectrum Analyser

Spek (IPA: /spɛk/, ‘bacon’ in Dutch) helps to analyse your audio files by showing their spectrogram. Spek is free software available for Unix, Windows and Mac OS X.

Features

• Supports all popular lossy and lossless audio file formats thanks to the FFmpeg libraries.
• Ultra-fast signal processing, uses multiple threads to further speed up the analysis.
• Shows the codec name and the audio signal parameters.
• Allows to save the spectrogram as an image file.
• Drag-and-drop support; associates with common audio file formats.
• Auto-fitting time, frequency and spectral density rulers.
• Adjustable spectral density range.
• Translated into 16 languages.

Screenshots

Download

spek-0.8.1.tar.xz (167 KiB) instructions manual

spek-0.8.1.msi (5.97 MiB) spek-0.8.1.zip (5.81 MiB) instructions

spek-0.8.1.dmg (5.64 MiB) instructions

News

• 2012-09-23: Spek 0.8.0 Released
• 2011-08-17: Spek and Lion
• 2011-04-24: Spek 0.7 Released
• 2011-03-16: Spek status update
• 2010-07-13: Spek 0.6 Released

Contribute

Spek is free and open source software licensed under GNU GPL v3. The project is written in C and C++, the code is hosted on GitHub.

Report bugs and request new features on the issue tracker.

Translation is done via Transifex. Don't hesitate to translate Spek into a new language or to improve existing translations.

Contact

Spek is maintained by Alexander Kojevnikov, you can contact him by email.