Rapid eLearning is an ongoing trend which enables flexible and cost-effective creation of learning materials. Especially, lecture recording has turned out to be a lightweight method particularly suited for existing lectures and blended learning strategies. In order to not only sequentially playback but offer full fledged navigation, search and inspection of the recorded lecture, chapter marks and search indices have to be embedded. To solve this, two basic approaches for lecture recording tools can be identified — both of them having certain advantages and drawbacks. On the one hand there are systems based on symbolic representation of common slideshow formats like MS PowerPoint. Therefore, they preserve structure and symbol information contained therein, but are lacking flexibility of supported dynamic and interactive formats. On the other hand there are systems based on pixel representation and screen grabbing technologies. While supporting any presentation content, structural...