In this post I’ll be covering how to create image files that represent the sound levels and frequencies of a media file.  These images are known as spectrograms.  They provide a way to visually locate moments in time.  This can be useful for a number of reasons. FFMpeg has a feature that lets us create spectrograms with the showspectrumpic filter.  Details about this filter can be found here, https://ffmpeg.org/ffmpeg-filters.html#showspectrumpic.  You can also get information about the filter by typing in … Continue reading Spectrograms with FFMpeg