Hi @sheonki,
Thanks for joining us here in the Roku Community!
Thank you for letting us know about this issue. We are here to assist you. If you are using external speakers, please try restarting them briefly to see if that resolves the issue. Additionally, if the problem is related to specific content on certain channels, try removing the channel, restarting the device, and then reinstalling the channel.
For additional troubleshooting, you can check our support page here on how to resolve a channel playback issue.
We hope this helps!
Regards,
Rey
ERey.
Roku Community Moderator