noun
genlock; generation lock
Technical term in video engineering for synchronizing video signals.
放送局ではビデオ同期装置を使って複数のカメラ映像を同期させている。
Broadcast stations use a genlock to synchronize multiple camera feeds.
Compound of ビデオ (video) + 同期 (synchronization) + 装置 (device). A direct translation of the English term 'genlock' (generation lock).