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Bi-phase Sync

Bi-phase is an older synchronization technology used in the film industry. Typically, the clock was derived from a box that hung off of large film mag recorders. This box emitted a pulse that allowed sync. Working with pulses alone, bi-phase sync did not provide location information, making it a rather limited solution. (Anyone remember working with MIDI clocks before Song Position Pointer and MIDI Time Code was introduced? The situation was similar…)

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