How to create spectrograms for audio files using sox

The use of spectrograms is one of the most accurate procedures in order to identify the quality of audio files. Let’s say that you were given an music album with 16/44.1 flacs and you want to see if the files included are actually redbook. One of the best tools I’ve found for that is sox. The installation in Archlinux is the following: pacman -S libsoxr In order to create a spectrogram for a specific flac file, you need the following command:
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