If you can't hear the audio, check if your course player volume is turned up and ensure that the video is not muted. Do not forget to check the sound setting of your device.
You may also try the following troubleshooting steps to fix the error:
- Click the 🔒 sign in the address bar
- The address bar is where the web URL is written. For example, ://thriversity.harappa.education/login
- Click on Allow for the microphone permissions