#!/bin/bash
mkdir -p 1
mkdir -p 2
for f in *;
do
ffmpeg -i "$f" -c:v -ac 1 "1/${f%}"; 
ffmpeg -i "$f" -c:v copy -af "highpass=f=300" "2/${f%}"; 
done

for file in *.*;do
    outfile="2/${file%.*}.wav"
    ffmpeg -i "$file" "$outfile"
done

for file in *.wav;do
     outfile="2/2${file%.*}.png"
     sox "$file" -n rate 800 spectrogram -m -l -o "$outfile"
done
rm *.wav
##################
for file in *.*;do
    outfile="${file%.*}.wav"
    ffmpeg -i "$file" "$outfile"
done

for file in *.wav;do
     outfile="1/1${file%.*}.png"
     sox "$file" -n rate 800 spectrogram -m -l -o "$outfile"
done
rm *.wav

#mv ./1*.png ../1
#mv ./2*.png ../2

display "1/1${file%.*}.png" && display "2/2${file%.*}.png"