Streaming techniques, including the selected streaming protocol, have an effect on the streaming quality. In this study, the performance of three different streaming protocols in a disturbed communication channel is evaluated with a modified version of the FFPlay player. A H.264 encoded video is used as a test sequence. The number of displayed image frames, the frame rate and playout duration are used as objective metrics for QoS. The metrics brings out differences of streaming protocols in our test environment. They are measured at the application level and have a connection to the user experience.
One of the most important reasons for utilising virtual environments is to increase the flexibility of participating in education. Videos are a widely utilised technological solution for realising this type of flexible education. An educational model that videos are especially well suited for is flipped learning. However, the absence of contact teaching poses challenges for flipped learning, in which traditionally lecture-heavy activities are arranged as self-studies while face-to-face classes are used for cooperative studying. This paper examines a piloting of flipped learning organised alongside a videobased blended education model. The pilot provides experience of how flipped learning functions in an educational environment where the flexibility of participation is a priority, participation is mostly done asynchronously using on-demand videos, and in which students make practically no use of contact teaching. Based on the observations, the paper's discussion section presents some noteworthy considerations, as well as possible solutions for challenges identified during the piloting.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.