Voice recording on iPhone by using Safari and HTML5

Question

I am developing a simple web application which only records a voice from microphone but I have some trouble.

HTML5 voice recording function works well on chrome and

Answer 1

Safari on iOS 11 does NOT support the 2 standards which would make audio (only) recording possible (and easy to implement):

• HTML Media Capture for audio (spec, correct syntax ) - audio recording should be passed to a native app which should pass the result back to the browser for upload (it works for video and picture)
• MediaStream Recording API (spec, demo) - allows you to record to a blob directly in the browser. The recording can be downloaded or uploaded to a web server.