@ECHO OFF
TITLE "Output 5.1 From Mono WAVS"
if [%1]==[] goto :eof
set Destination=%~d1\%~p1
cd /d %Destination%
md 51
cd /d "%~dp0"
:loop
ffmpeg -i "%~1" -i "%~2" -i "%~3" -i "%~4" -i "%~5" -i "%~6" -filter_complex "[0:a][1:a][2:a][3:a][4:a][5:a]amerge=inputs=6[aout]" -c:a pcm_s16le -map "[aout]" "%Destination%\51\%~n1"_51.w64
pause
shift
shift
shift
shift
shift
shift
if not [%1]==[] goto loop