It sounds like either your mic was muted in zoom app, your headset was muted (hardware button), or most likely your Zoom app had the wrong microphone selected (possibly the built-in mic or headphone jack) so nothing was bing picked up.
It sounds like either your mic was muted in zoom app, your headset was muted (hardware button), or most likely your Zoom app had the wrong microphone selected (possibly the built-in mic or headphone jack) so nothing was bing picked up.