Media Composer First触ってみた。退会できないし使いにくい!!

2019/2/9追記 退会が問い合わせをしないとできません。 How do I delete my Avid Master Account? You cannot delete your Avid Master Account. If you wish to delete your Master Account, Contact Support for help. http://avid.force.com/pkb/articles/faq/All-About-The-Avid-Master-Account#DeleteAccount しかも…