If you can't hear the animals on the welcome screen, then there are some steps you can follow to check your speakers are working correctly.
Test Your Speakers
The first thing to do is to check your speakers are playing audio when you watch a video in Chrome. If you can't hear the video below, check your system sound settings to ensure you have the right speakers selected and they are properly configured.
How to check your sound settings on Windows
How to check your sound settings on Mac
Check your speakers are working by playing this video.
Speakers Are Working But You Can't Hear The Animals
If you can hear the video but you can't hear the animals playing on the Bramble welcome screen, this suggests that Bramble is having problems playing sound through Chrome on your device. To resolve this, restart your device and try again.