Why are there so many “audio” codes?

Whenever I try to edit the text section of quizzes or surveys, these annoying codes “<audio controls=”controls”></audio>” always pop up, it really affects the final result, does anyone know how can I prevent this from happening?

Thx

• This topic was modified 5 years, 4 months ago by urlemontea.
• This topic was modified 5 years, 4 months ago by urlemontea.