Recording audio on a web page - what js & flash tools are there?

Question

JavaScript

There was a task to implement the recording of audio from a microphone on the site. Googled - there are many HTML5 tools, but as I understand it, there is no support in many browsers, which is critical. I found a couple of libraries on Flash, but most of the free ones are very tight with documentation and examples.
Can share who used what - I would like to be able to customize the design (record, volume, player buttons), while compatibility with most browsers and platforms, I need to work in mobile browsers. A combined Flash + HTML5 solution is possible.
Well, you also need the ability to transfer the recorded file to the server (without downloading by the user).

Answer 1

It seems that everything was solved using the
mediaelementjs.com library

Answer 2

serebniti.ru/voicemail
what is on the right, is it? Recording on the client, convert to mp3.
html5 does not have sound recording, only chrome from desktop browsers.