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Re:Raspberry Pi 4 can finally boot directly from USB by londons_explore on Friday September 18, 2020 @09:55PM (#24524164)
10 ms is fine. 100ms works but you get odd echoes like a speaker system in a big building.

You need some way to compensate for clock drift between different playback devices. Even good clocks will drift 10ms in a few hours.

Re:Raspberry Pi 4 can finally boot directly from USB by loxias on Saturday September 19, 2020 @01:18PM (#24528972)
1ms is barely "ok". with 1ms you'll still hear ugly comb filter effects. (see my other comments)