tested using office voicemail in Speakerphone mode:
Phone inches away sounds ok (not good)
phone a couple of feet away, audio is muffled and breaks up. Turning head away from directly facing phone words are not distinguishable.
Tried different phone app
Tried disabling google assistant
tried wifi / cellular calls
Tried audio recording app, sounds great
I can see why you would be unimpressed with this @tim_S10e
Perhaps go over to your dial pad and type in *#0*#, this will bring up a number of tests.
Check the ports fkr any build up of debris.
A Samsung Experience Store or Samsung Service Centre can run a diagnostic test.
I wish you all the best with this situation.
🌈 Stay Safe & Stay Alert. 🌈
Current Phone > Samsung Z Fold³ 5G.