A Tokyo-based venture company is drawing nationwide attention for its unique service of using artificial intelligence to re-create the voices of cancer patients who have lost theirs due to surgery.

CoeFont uses AI to learn the pitch and accent of a user's voice, along with their conversational speed before surgery takes place. It then creates a synthetic voice that reads out text inputted by the users that sounds just like their original voice.

Led by a student and faculty member of the Tokyo Institute of Technology, CoeFont has received over 100 inquiries for the free of charge service.