Preview and Edit

Preview & Edit (v1.3.0)

Preview & Edit lets you see and hear exactly what AutoSync did, and fix anything by hand. Nothing is changed until you save; the target's picture is never changed, only the timing of the audio.

Open it: select a pair in the Audio tab and click Preview & Edit in the bottom bar. AutoSync analyses the pair (or reuses a finished analysis) and opens the editor. You can also open a saved plan from a job's output folder.

The screen

Area	What it does
Top bar	File name, a chip with how many flagged points are left to check, the save state, Undo/Redo, Save As…, Export corrected audio, and ? for shortcuts.
Review list (left)	Every join and flagged point with its time and reason. Filters: All, Flagged, Not checked, and Censorship when the censored-dub option was used. Click a point to jump there. ✓ Checked (or R) ticks it off; a progress bar shows how many are done. Each point can have a note.
Pictures (centre)	Source and target at the playhead. Views: Side by side, Overlay, Difference and Wipe. In Difference, matching pictures go dark; edges that jump with motion mean the timing is off (steady outlines are only framing differences).
Playback bar	Step 1 or 10 frames, Play, listen to Output, Source or Target (A swaps output/target), ▶ Across join (2 s either side), Loop, and Speed 1× / 0.5× / 0.25×.
Clip panel (right)	The selected clip: Timing (typed values, and move audio −1 frame / −10 ms / +10 ms / +1 frame), Edit (split, join, trim), Audio for this clip (source or target audio), Clipboard (In/Out, copy, cut, paste) and the Review point.
Timeline (bottom)	V1 target picture (locked), A1 source audio, A2 target audio, MIX the result. The strip above it shows the whole episode: click or drag to move. Ctrl+scroll zooms; Fit clip / Fit all. Drag the bar above the timeline to resize it.

A typical review

1. Click Flagged in the review list.
2. Click the first point (or press L). Press P to play across it; press A to compare with the target's own audio.
3. If it sounds right, press R. If the audio is early or late, select the clip and use −1 fr / +1 fr or −10 ms / +10 ms (keys , . and Alt+, Alt+.), then play across it again.
4. Repeat until the chip says all flagged points are checked.
5. Save As… to a new folder, then Export corrected audio. The export log opens at the bottom.

Editing tools

• Select (V): drag a clip to move it; drag its edges on MIX to trim. Drag a clip from A1 or A2 onto MIX to place it.
• Razor (C): click a clip to cut it.
• Slip (Y): drag to move the source audio inside its clip.
• Snap (N): snapping to joins and the playhead (hold Shift to override).
• Trimmed or cut ranges fall back to the target's own audio; nothing shifts in time.

Safety

• Your edits are saved automatically while you work. If the app closes, the next time you open the same plan it offers to Restore edits.
• Export refuses joins that would repeat source audio unless you fix them.

Keyboard shortcuts

Press ? in the editor for the full list. The most useful: Space play/pause, ← → one frame, Shift+← → ten frames, J / L previous/next point, P play across join, A output/target, R mark checked, S split, , . move audio one frame, Ctrl+Z / Ctrl+Y undo/redo, Ctrl+S save.

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