Try using Google Chrome, Firefox, Safari, or Microsoft Edge.
Make sure your sound is turned up and speakers are powered on.
Can you hear the sound in the youtube movie below?
In order for the recording feature to work on LingoHut, you have to enable your microphone and allow LingoHut to access to your microphone.
Depending on the browser you are using, you can check here for CHROME, FIREFOX, SAFARI, Microsoft Edge, iPhone, or Android
If it is still not working check this page for more information.