Explanation: this command finds all .mkv files in the current direcory and converts the first audiostream to ac3 with a bitrate of 640k. The files are renamed with an “ac3-” prefix, so you can compare the result.
Step 4
Remove the old files after you have checked if the audio is still correct and synced to the video. Enjoy your video files.
About Marcel Bootsman
Marcel discovered the web in 1995. Since then he has paid attention to and worked with lots of technologies and founded his own WordPress oriented business nostromo.nl in 2009.