Shrinkage of signals is the best way of putting it.

pretty darn good audio (all of it understandable by a native speaker, at least briefly):

nope

Reasonable audio at times during the period (much of it understandable by a native speaker, though often battling with splash or noise):

and nope

not so reasonable audio, occasional words or phrases in splash or noise could be understood by a native speaker:

too much to ask for

Burbles in the splatter and noise (if lucky, language might be guessed at by cadence of talk, or parallel established by changes in talk or music)

576 2RN folky vocal music, barely there, but //585 with a slight offset, 1445UT

585 7RN vocal mx // with even weaker 576 1445UT

612 4QR woman talking //1548 on Brisbane KiwiSDR 1446UT; also note earlier and weaker, //702 at 1412UT

702 2BL man talking //612 1412UT

1566 woman and man talking, Chinese intonation 1354UT; reprise but weaker at 1426UT

Strongish het, no or "near imaginary" audio (either undermodulated or ravaged by splatter)

594 747 774 1593 seemed to be Asian;

891 1017 1098 seemed to be DU

best wishes,

Nick

Nick Hall-Patch
Victoria, BC
Canada