Spek is an acoustic spectrum analyser written in C and C++. It uses FFmpeg libraries for audio decoding and wxWidgets for the GUI.
Spek is available on *BSD, GNU/Linux, Windows and Mac OS X.
Find out more about Spek on its website: http://spek.cc/
Spek 0.8.2 is part of beta 0.x releases, leading up to a stable 1.0 release (hopefully) later this year. The roadmap is available on GitHub.
New features since 0.7:
- Adjustable spectral density range (#4).
- Switched from GTK+ to wxWidgets for better Windows and OS X integration.
- Single .exe version for Windows.
- Added translations in 11 more languages (totalling 19).
- Open .opus audio files (#39).
Enhancements:
- Switched to .xz tarballs.
- Split out libspek and added unit tests.
- 24-bit APE support (upstream fix).
- Better toolbar icons on Windows and OS X (#21).
- Installer options for app shortcuts on Windows (#1).
- Associate with audio/video files on OS X (#2).
- Online manual (#24).
- Use non-deprecated FFmpeg decoding API.
- Moved downloads to Google Code since GitHub no longer offers downloads (#38).
- Compatibility with retina-based Macs (#32).
Bugfixes:
- Fixed crash when the preferences file is not writable.
- Fixed crash when the home directory is not writable.
- Fixed duration and rendering for some video files.
- Fixed compilation with newer FFmpeg and libav versions.
- Proper handling of Unicode file names under Windows (upstream fix).
- Don't lock the input file on Windows (#26).
- Fixed mapping of the spectral density into the palette.
- Fix magnitude calculation for the first and the last frequency band.
- Support planar sample formats (#44).
Spek 0.8.2 tarball:
Windows and Mac OS X binaries:
- https://github.com/alexkay/spek/releases/download/v0.8.2/spek-0.8.2.msi
- https://github.com/alexkay/spek/releases/download/v0.8.2/spek-0.8.2.zip
- https://github.com/alexkay/spek/releases/download/v0.8.2/spek-0.8.2.dmg
Unix packages:
- wxWidgets >= 2.8
- A recent version of FFmpeg or libav