spek

Tool for audio spectrum analysis and visualization

Spek helps to analyse your audio files by showing their spectrogram. It supports all popular lossy and lossless audio file formats. Features: * Ultra-fast signal processing, uses multiple threads to further speed up the analysis * Shows the codec name and the audio signal parameters * Can 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

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