What is this weird gong sound while recording?

I’m new to podcasting and am having an issue with sound while recording and really need help from some experienced people.

While I am speaking, there is an intermittent gong like sound that occurs. It happens on both zoom and riverside and both with and without a mic. Location of filming doesn’t change anything. The weird sound didn’t occur for the first two episodes but this last one it was ao bad it kept interrupting my audio and cutting it out.

I am filming on a Samsung galaxy s22 plus. The effect does not occur when filming a video by myself with my camera. It only happens when I’m on with another person whether we are recording or not.

Is this my phone, or is this a setting somewhere, or what is going on?

I uploaded a quick test recording we did so I could seek out help. Thanks in advance!!

Sounds like a computer notification chime partially suppressed by noise-reduction.