LearningPlanningPre-Production ToolsThe Celtx StudioWriting How Celtx’s Multi-Column AV Script Editor Helps In-House Teams Streamline Pre-Production Workflow by Celtx March 12, 2021 by Celtx Celtx’s Multi-Column AV Editor was built as a flexible and adaptable solution that supports the pre-production workflow required to keep short-format video projects on-schedule and on-budget.