@Echo off SET PATH=sys For %%1 in (*.raw) do ( echo Adding WAV header to %%1 raw2wav.exe "%%1" "%%1.wav" echo Converting PCM to ADPCM (Yamaha)... ffmpeg -i "%%1.wav" -map_metadata -1 -c adpcm_yamaha "%%1:~0,-4%" del "%%1.wav" del "%%1" goto :break ) :break echo Complete!