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Troubleshoot audio issues if you can't hear spoken words or sound effects during a module

Written by Harry Alexandre

If you can't hear any audio while completing a module, the issue is usually related to your device settings, browser permissions, or autoplay settings. Follow the steps below to restore sound in TTRS.

Check your audio settings

Verify your device and module settings

Before changing your browser settings, make sure:

  • Your speakers or headphones are connected and working correctly.

  • Your device volume is turned up and isn't muted.

  • Speech is enabled in the module settings.

If sound is still unavailable, check the settings for your browser below.

Google Chrome

Allow websites to play sound

  1. Click the Site information icon next to the address bar.

  2. Select Site settings.

  3. Scroll to Additional content settings > Sound.

  4. Under Default behavior, make sure Sites can play sound is selected.

Safari (Mac)

Enable autoplay

  1. Open Safari.

  2. Go to Safari > Settings for This Website while you're on us.ttrsonline.com or eu.ttrsonline.com.

  3. Under Auto-Play, select Allow All Auto-Play.

Mozilla Firefox

Allow audio playback

If you're using Firefox, try one of the following options.

Option 1: Allow autoplay for TTRS

  1. Click the Site information (i) icon next to the website address.

  2. Open Protection Settings.

  3. Go to Privacy & Security > Permissions.

  4. Select Autoplay.

  5. Choose Allow Audio and Video.

  6. Save your changes.

Option 2: Disable automatic sound blocking

  1. Open Settings.

  2. Select Privacy & Security.

  3. Turn off Block websites from automatically playing sound.

Option 3: Add TTRS as an exception

  1. Open Settings > Privacy & Security.

  2. Select Manage Exceptions under Autoplay.

  3. Add us.ttrsonline.com or eu.ttrsonline.com.

  4. Save your changes.


Still having trouble?

Contact Support

If you've completed the steps above and sound still isn't working, or you're using a browser not listed here, please contact our Support team for further assistance.

When contacting us, let us know:

  • Which browser you're using.

  • Whether you're using speakers or headphones.

  • Whether the issue occurs on more than one device.

Most sound issues can be resolved by checking your device audio settings or adjusting your browser's sound permissions. If you continue to experience problems, our Support team will be happy to help.

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