3_downsample.bat

if not exist "D:\Projects\Python\Datasets\output_3" mkdir D:\Projects\Python\Datasets\output_3
cd "D:\Projects\Python\Datasets\output_2\"
FOR %%F IN (*.wav) DO "C:\Program Files (x86)\sox-14-4-2\sox.exe" %%F "D:\Projects\Python\Datasets\output_3\%%~nxF" rate -v 22050
pause