Guide

Playback and the transport bar

Seamless preview, frame stepping, and the loop tri-state that follows your selection

The right side of the workspace is the assembly player. It plays the entire paper edit as one seamless video, top to bottom, no gaps or black frames between clips unless you put them there.

The canvas size matches the output resolution you picked when you made the paper edit. Per-clip transforms (fit, fill, none) and fill offsets get applied during playback, so what you're previewing is what you'll export. A live timecode reads out next to the player in M:SS:FF format, refreshing about ten times a second.

Transport controls

Below the player, left to right:

  • Play / pause (Space).
  • Step frame ± 1, the left and right arrow icons.
  • Skip clip ± 1, the skip-back and skip-forward icons. Jumps to the start of the previous or next row.
  • Jump to start / end of the whole paper edit.
  • Loop tri-state.
  • Mute toggle.
The transport bar under the assembly player with the loop control mid-cycle.

The loop tri-state

The loop button cycles Off → All → One → Off.

  • Off: playback runs to the end of the paper edit and stops.
  • All: playback loops the whole paper edit.
  • One: loops just the row the playhead is currently inside.

The "One" mode is the one to know. Selecting a row in the script panel auto-seeks the playhead, so the loop follows your selection. Click row 3, hit play, you're looping row 3 until you click somewhere else. It's how you live inside a single trim while you tune it.

The mute toggle is workspace-local. It doesn't affect the export. Mute it while you're trimming, it stays muted. Send to FCP, the audio is full quality.

Audio-only paper edits

If your paper edit only contains audio assets, the player canvas stays blank. Audio still plays. The chosen output resolution still scales the audio bitrate on export, so don't ignore the resolution picker just because there's no picture.

Undo, and the redo we owe you

Each paper edit has its own 50-step undo stack (FIFO once full). Steps are labeled in the Edit menu so you know what's about to reverse: "Add Clip", "Trim Words", "Delete Clip", "Reset Clip", "Paste", "Split Clip", "Reposition", and so on.

⌘Z walks back one step at a time.

Redo is not currently wired up. If you undo too far, you'll need to rebuild the steps you undid. We know. It's high on the fix list.