Tutorial: How to Composite PowerPoint and Talking Head Video in Telestream Wirecast

Streaming Medai by Jan Ozer

Any time you produce a webinar that includes PowerPoint and a talking head video, it’s nice to present both in the same video frame. In this tutorial, I’ll explain how you accomplish that in Telestream Wirecast.

The project shown in this tutorial has three inputs that I'll configure like the frame on the left in Figure 1 (below). I’ve got the PowerPoint slides from a MacBook Pro running on the same network as the HP Z400 I’m using to create and stream this presentation. The slides are coming in via the Telestream Desktop Presenter Module, which basically lets any Mac or Windows computer on the same network as the encoding station input the screen, or any portion of the screen, plus audio, into Wirecast.

The video on the left in Figure 1 is via a ViewCast Osprey 820e capture card that’s capturing HDMI video and audio input from a Panasonic AVCHD camcorder. So this shot has two visual elements, and three total elements: the PowerPoint, the video, and the audio.

Building the Composite Image

Let’s see how I built that composite image. To begin, click on the page icon in the panel just below the program window on the left to add a new shot (Figure 2, below), and a blank thumbnail image appears in the menu below, to the right of the other elements we’ve already added. read more...

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