This can be useful when multiple characters on screen are speaking at the same time, and you would like to create separate captions for each voice. Turn Allowed on to allow captions to have overlapping time ranges. Two captions are said to be overlapping when the time period represented by their in/out timecodes intersects. By default the Allowed button is off because many popular formats do not allow captions to appear simultaneously on screen. The Overlap option allows captions to have overlapping time ranges, so that one or more captions may appear simultaneously on screen.Its usefulness should be clear during export operations, since it allows you to shift all captions forward or backward in time without requiring you to manually adjust every timecode. This value is imported from iTunes Timed Text files, and few other file formats have a native concept of a global time offset. ![]() In the same scenario, a caption that is set to start at 1:12 (1 second, 12 frames) will in fact start at 2:12:12. For example, a start time of 2:00:00 means that all captions are considered relative to the 2 minute mark on the timeline. The Start timecode defines a global offset that applies to all captions. The export window gives you a chance to enable drop frame mode in its own UI, as a single-shot option that only affects the exported captions. You are not required to turn on drop-frame mode simply because you are expected to export captions in that standard. This is due to the nonintuitive and peculiar rules behind the drop-frame standard. Enabling or disabling drop frame mode can cause captions to shift forward or backward by small amounts, when timecodes are edited.Any timecodes you enter are similarly expected to follow the rules defined by the standard. Timecodes are displayed according to the rules of this standard. ![]() Please note some important side effects of turning on drop frame mode:
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