Recording and editing a talk for an online conference

A step-by-step guide on using guvcview, ffmpeg, and aegisub to assemble a talk video.

Most PL conferences moved online this year, and many are asking authors to pre-record talks to avoid livestreaming difficulties. Here are the steps we followed to record and edit our Kôika talk at PLDI 2020 and our extraction talk at IJCAR 2020. This posts covers preparing and recording the talk, adding the slides, and captioning the final video.

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