sample rate convert to 48k

Convert_sample_rate.sh

#!/usr/bin/bash

files=$(ls *.wav)

for file in $files;do
	filename=$(echo $file | cut -d "." -f 1)
	sox "$file" -r 48000 $filename{48000}.wav
	
done
```
#!/bin/bash

mkdir output
#shopt -s nocaseglob
for i in *.wav;
do
  echo "$i"
  ffmpeg -y -i "$i" -c:a pcm_s16le -ar 22050 "output/${i%.*}.wav";
done
```