Definition
Dead time removal is the automated process of detecting and eliminating periods of inactivity, irrelevant action, or silence from raw screen recordings. In a typical hour-long coding session, substantial portions consist of dead time: waiting for builds to compile, reading documentation without visible progress, context-switching to unrelated browser tabs, stepping away from the keyboard, or repeatedly running the same failing test. Left unedited, this dead time makes recordings unwatchable — viewers abandon videos when nothing meaningful happens on screen. Dead time removal algorithms analyze frame-to-frame visual changes, audio levels, and detected activity patterns to identify these low-value segments. VidNo's implementation goes beyond simple activity detection by cross-referencing visual state with the generated narrative. If the script mentions a build step, the system might retain a brief compilation wait for pacing even though nothing visually changes. This context-aware approach ensures dead time removal improves watchability without creating jarring discontinuities.