Notes or internal comments
Ability to add notes or internal comments to individual voxes that the user can't see and doesn't receive.
Allow user to cancel recording
Right now, once the user starts to record, deleting the file will immediately start a new recording. What if the person changes his mind and wishes to email instead? There's no option to cancel.
Integration with LearnDash
Being able to add snippets to LearnDash lessons, topics and quizzes in a course by pasting only once.