How to extract the individual audio and video streams from Camtasia TREC file or project? In this video I show you two methods to extract video and audio from a TREC file that Camtasia produces when it records.
TREC files contain all the recording streams you get when you record via Camtasia - the screen recording video, the audio from your microphone, the video stream from the webcam and also the system audio, if you have that enabled during recording. The TREC files are proprietary to Techsmith but they are just a container.
In this video I show you two methods you can extract those streams to individual files - the first one, uses Camtasia itself, and the second method uses an external program (Losslesscut) to extract the streams from the TREC file into individual files.
This was a question I found on the Camtasia Group, someone was wondering how to export the contents of the Camtasia recording without encoding them to mp4, which can take a long time and lose quality in the process, since mp4 is a lossy format. With the methods described in this Camtasia tutorial, you can extract them without loss of quality.
There is one downside though and I explain it in the video, about your mouse cursor not being included, since Camtasia records the mouse cursor as coordinates, not as a graphic as part of the video itself. This is because Camtasia gives you the flexibility to customise the mouse cursor appearance before you export, such as change its color, make it larger, smooth its movement and add mouse cursor effects such as circles on the left and right clicks.
So if you want to have your video stream at the highest quality, as it is captured by Camtasia, this video is for you.
If you have questions you'd like answered - for Camtasia or anything else - feel free to leave them in the comments and I might make a video about it.
Chapters:
00:00 Introduction
01:38 The first extraction method
04:34 The downside
06:46 The second method
12:27 Closing remarks
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