Update README.md

README.md

@@ -16,6 +16,15 @@ This fork is intended to improve and customize xournalpp to my very own use case
 
 ![UI](/doc/ui/main.png "UI")
 
+## How to use audio record and playback feature:
+
+- Install `vlc` and make sure `curl` and `arecord` are present on your system 
+- Under `vlc` settings, enable `http interface` (see [this](https://github.com/azrafe7/vlc4youtube/blob/master/instructions/how-to-enable-vlc-web-interface.md) ) with blank username and password "password"
+- Launch `xournalpp` passing the path where to store the recordings e.g:`-f $HOME/Music/recordings`
+
+You're ready to go! 
+Just press the red button to start/stop recording and use the `Play Object` tool to click on a stroke and listen to the corresponding audio
+
 ## Description
 
 Xournal++ is not Xournal! It is a ground-up rewrite of Xournal in a different language (C++ instead of C). The purpose