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.
• High number of frequency bands for the best spectrogram quality.
• 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 and frequency rulers.

Screenshots

Download

spek-0.6.tar.bz2 (198 KiB) instructions

spek-0.6.msi (9.83 MiB) spek-0.6.zip (9.16 MiB) instructions

spek-0.6.dmg (6.12 MiB) instructions

News

• 2011-03-16: Spek status update
• 2010-07-13: Spek 0.6 Released
• 2010-07-04: GStreamer, FFmpeg and Spek
• 2010-06-26: Spek 0.5 - Mac OS X port
• 2010-05-21: Spek 0.4 Released

Roadmap

Features planned for the 1.0 release:

• Zoom and horizontal scroll
• Adjust spectral density range (dB)
• Multilingual support

Contribute

Spek is free and open source software licensed under GNU GPL v3. The project is written in C and Vala, the code is hosted on Gitorious. Patches can be sent as Gitorious merge requests or attached to a new issue.

Report bugs and request new features on the issue tracker.

Translation is done via Transifex. Feel free to translate Spek into a new language or to improve existing translations.

Feedback

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