ok everyone stand aside - the real fake doctor here. with aural phenomena his specialty.
how is the patient
@yyaldrin? comfortable in his bed?
weird rhythmic peeps does not sound like tinnitus - that's a constant drone. it might be you need to get your ears cleaned out (not to be done regularly IMHO)...
first stop - get some proper chap with a stethoscope to have a look at it.
or like dr
@craner said you might be hearing sounds. "i hear a new world calling me" and all that jazz. don't be alarmed. quite normal psychic threshold stuff to be considered normal in the sensory-deprived conditions of lockdown.