Audio issues
Out of sync
If audio and video are misaligned, correct the sync offset in the audio tools.
No AI captions
AI captions require microphone audio in the recording.
Related guides
AudioAudio/video sync offsetCorrect audio/video sync offset in Rackast on Windows so your narration lines up perfectly with the on-screen action.CaptionsAI captions with local WhisperAdd AI captions to your screen recording locally in Rackast on Windows using an on-device Whisper model, private, offline, no upload.Troubleshooting & FAQGeneral FAQFrequently asked questions about Rackast, the screen recorder and editor for Windows, plans, export formats, captions, and licensing.