Spek helps to analyse your audio files by showing their spectrogram.
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.
* 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, frequency and spectral density rulers.
* Adjustable spectral density range.
* Translated into 19 languages.
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