SMPTE LTC out any audio interface — line out to the timecode input on your console, media server or lighting desk. Locked to the interface's clock.
stopped29.97 NDF
00:00:00:00
Output
40%
Start at
⚠ Use Chrome (Safari can't pick the output device). LTC is an audio tone — the buzz is the signal — but it only comes out the interface you select above, not your Mac speakers. It's line-level; start ~40% and set it so the receiver reads healthy. Keep this tab foreground during the show.