A .trec file is not just a simple video container; it is a project package that typically contains multiple synchronized data streams: the screen capture, the webcam video, and the system audio/microphone audio.
rename input.trec input.mp4
If the file contains raw H.264 frames:
The feature integrates with a local or cloud-based Speech-to-Text API (like OpenAI Whisper). .trec video
⚠️ There is also a .TREC file used by some Chinese CCTV systems (Hikvision/Dahua) for temporary recording – that is a different, unrelated format. This guide covers TinyMOS .TREC. the webcam video
: Import the file directly into the Camtasia timeline. You can add annotations, transitions, or use AI text-based editing to trim the video by deleting words from a transcript. .trec video