My Process to Convert SACD ISOs
Here's a way to convert SACD ISOs to more common formats in Windows, using free tools.
m4a
Convert m4a to mp3 Using Ffmpeg on Windows (and Git Bash)
Here's a simple command line to convert m4a files to MP3 on windows:
for i in *.m4a; do
./ffmpeg.exe -i "$i&