https://www.youtube.com/watch?v=ufdI3hWB8lY

1) "AVI2STR" is a batch command derived from "PsxAvEnc" that allows conversion of an uncompressed ".AVI" video file to the ".STR" video format supported by PlayStation video games.
2) Enter the ".AVI" video file(s) you want to convert into the "Input ...

I've done some batch codes.

Bin_Dump_Extract
cd %~dp0
for %%i in (*.bin) do start /wait dumpsxiso.exe -x "%%~ni\Extracted" -s "%%~ni\XMLFile.xml" "%%~ni.bin"
pause

Bin_Make_Image
cd %~dp0
for %%i in (*.bin) do start /wait mkpsxiso.exe -y -o "%%~ni\%%~ni_NewImage.bin" -c "%%~ni\%%~ni ...

I've done some batch codes that works with "input" and "output" folders.

Video+Audio (.avi)
@echo off
cd %~dp0
mkdir Output
for %%a in (input\*.*) do ffmpeg.exe -i "%%a" -vcodec rawvideo -s 320x240 -r 15 -acodec pcm_s16le "output\%%~na.avi"
pause
Audio (.wav)
@echo off
cd %~dp0
mkdir Output ...