The teaching of English-expressions has always been done through conversation samples in form of written texts, audio recordings, and videos. In the meantime, the development of computer-aided learning technology has made autonomous language learning possible. Game, as one of computer-aided learning technology products, can serve as a medium to provide educational contents like that of language teaching and learning. Visual Novel is considered as a conversational game that is suitable to be combined with English-expressions material. Unlike the other click-based interaction Visual Novel Games, the visual novel game in this research implements speech recognition as the interaction trigger. Hence, this paper aims at elaborating how visual novel games are utilized to deliver Englishexpressions with speech recognition command for the interaction. This research used Research and Development (R&D) method with Experimental design through control and experimental groups to measure its effectiveness in enhancing students' English-expressions mastery. ANOVA was utilized to prove the significant differences between the control and experimental groups. It is expected that the result of this development and experiment can devote benefits to the English teaching and learning, especially on English-expressions.
Performing the Audio Video mixing process requires a tool in the form of a mixer, but the price of a mixer on the market is still very expensive. One of the software that can be used to become a video mixer is the VMix software. VMix software is a video mixer and switcher software that takes advantage of the latest advances in computer hardware to provide live HD video mixing. However, the VMix software is a virtual mixer that runs using a keyboard and mouse so there are limitations in running the software. We need an alternative tool that can be used when running the VMix software. By using the Arduino Uno CH340 device as a microcontroller, Hairless MIDI as a link between Arduino and Windows to send and receive MIDI signals, LoopMIDI as a virtual MIDI device that connects Hairless MIDI and VMix, can make a console-shaped device that can be used when running the VMix software . Therefore, in a study entitled "Design and Build Audio Video Vmix Console on Youtube Live Stream Show", it is hoped that it can produce a tool that can be used during live broadcasts using the VMix software on Live Stream on Youtube. From the results of testing the VMix for Video Console on the VMix software when live streaming on Youtube, the video was successfully controlled using this console with a success rate of 95%, while the ergonomic was successful.
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