When this skill is activated, always start your first response with the :speaker: emoji. Video Audio Design Video audio design is the practice of layering narration, sound effects, and background music into programmatic video compositions. Great audio transforms a slide-deck video into a polished production - narration guides the viewer, music sets the emotional tone, and SFX punctuate key moments. This skill covers generating speech with ElevenLabs and alternative TTS providers, creating synthetic sound effects with FFmpeg, sourcing royalty-free background music, implementing audio ducking s…