Audio Issues with Only Certain Users

[Lavieboheme84]

I am an avid zoom users and use zoom mostly all day/everyday. Recently-I am having a problem with audio for certain users that connect through zoom through their wifi. For example-if there are two other separate people in my zoom room, I can hear one of them very clearly and the other goes in and out and is "scratchy". This happens with more than just one user so I know it's not person-specific. It can also happen if two people are sitting together and logged in as one user-I can hear one clearly but not the other. It feels like something around what the audio is picking up---any leads on audio settings to help fix this would be helpful. This issue happens both on my headset as well as my computer. Please help! I need to use close captions just to hear all participants