I strongly believe in free stuff. In fact, my course is about PowerPoint and free tools. So my work process is as follows: 1. Create a presentation in PowerPoint. 2. Record and clean audio in Audacity. (I use a cheap lapel mike plugged into my notebook.) 3. I Save a separate clip for each Slide from my clean Audacity project. 4. I set each clip to play automatically when the slide plays. 5. I set each animation's time (eg. text appearance) on each slide to sync with the audio. 6. I save the whole presentation as an MP4 file. 7. I edit the MP4 file in Clipchamp, usually adding my talking head video and a second or so of branding. Clipchamp gives some free background music that you can put on your final product and provides very accurate captions. The final product is exported in the required 1080 format with good audio.
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