The first time a site requests to use your microphone Chrome will display a pop-up to Allow or Block access. This only has to be Allowed once per site. If you are having issues with microphone access or accidentally Blocked access in the past, follow the steps below.
Click the lock or not secure button next to the URL of the website you are visiting in the Chrome menubar. Microphone access will be displayed, change the dropdown from Blocked to Allow.
If the microphone does not immediately start working as expected, refresh the webpage.
Click the lock or not secure button next to the URL of the website you are visiting in the Chrome menubar, then click site settings.
Scroll down the list of options until you find Microphone. Change the dropdown menu from Blocked to Allow. Close the tab when finished.
If the microphone does not immediately start working as expected, refresh the webpage.