Spek – Acoustic Spectrum Analyser

Spek (IPA: /spɛk/, ‘bacon’ in Dutch) helps to analyse your audio files by showing their spectrogram.

Spek supports all popular lossy and lossless audio file formats. Spek is free software available for GNU/Linux, Windows and Mac OS X.

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-0.5.dmg (10.5 MiB) instructions

Screenshots

Spek running under Ubuntu Linux and showing the spectrogram of a FLAC file.	Spek running under Windows 7 and showing the same sound track encoded as a 320kbps MP3.	Spek running under Mac OS X Leopard.

News

• 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
• 2010-05-17: Spek 0.3 Released

Roadmap

Features planned for the 1.0 release:

• Windows port
• Mac OS X port
• Time and frequency rulers
• Zoom and horizontal scroll
• Adjust spectral density range (dB)
• Open and associate with audio files
• Use multiple threads to speed up analysis

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.

Feedback

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