# Spek – Free Acoustic Spectrum Analyzer / Spectrogram Viewer

# 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-0.5.tar.bz2 (147 KiB) instructions

| spek-0.5.msi (17.1 MiB) spek-0.5.zip (16.6 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

- 2010-07-04: 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
- 2010-05-15: Spek 0.2 - now works in Windows
- 2010-05-10: Introducing Spek

## 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 Vala, the code is hosted on Gitorious. Patches can be sent by email or as Gitorious merge requests.

Report bugs and request new features here.

## Feedback

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