Spek is a free acoustic spectrum analyser that lets users view detailed spectrograms of audio files. Written in C++ with FFmpeg for decoding and wxWidgets for the interface, it provides a straightforward way to analyze frequency content across various audio formats.
Spek is an Audio editing & DAW product. It focuses on visualizing the frequency content and spectrograms of audio files. Spek is an open-source project aimed at audio enthusiasts and professionals. Spek is free to use. Spek is available on Linux.
Behind Spek is Alexander Kojevnikov. Among its 3 catalogued features are spectrogram view, audio file analysis, and FFmpeg decoding.
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