Video Conferencing WebApp

During the last few years, video conferencing has become very popular and very reliable as a tool to bridge the gap where travel is not an option. And the COVID-19 epidemic has also led to lockdown orders that have led to dramatic changes in the way people work. The number of people working in the home (WFH) had increased significantly during the pandemic. The need for distance learning has also increased and has become a compulsory education system in the midst of this current situation. The Companies are also adopting an innovative recruitment process at such time. So to address this issue, our project aims to build a conference app that helps to provide communication between people through audio conferencing, video conferencing, screen sharing and messaging in real time. In this, we have created group video chat with the help of WebRTC technology and socket programming. Also we have added real-time chat feature and screen share feature. We had created the web app using Jquery for front end and node.js express.js for signaling server and real time database of Firebase for storing chats and user information. WebRTC helped us to create peer to peer connection and with the help of sockets we have done transfer of sdp packets and ice candidates. We have discussed extensively about them in our paper. Keywords: Video conferencing app, sockets, webrtc, peer-to-peer, realtime data transfer

Translanguaging Knowledge Remotely: the Analysis of an Academic Webinar

This paper explores how academic webinars are translanguaged by drawing on the sort of linguistic strategies and techniques implicated in these webinars. The research, therefore, poses two key questions relevant to how knowledge is communicated and what strategies are used in this communication. The main hypothesis of the research maintains that academic webinars communicate knowledge from a single professional presenter to many knowledge-receiving attendees, based on a presupposed view that presenters and moderators in webinars adhere to certain linguistic and conversational moves. To explore how academic webinars proceed and what they imply, a single academic webinar is randomly sampled for analysis. First, academic webinars are analyzed, key terms defined, and some previous literature on the topic overviewed. Then, the sampled webinar is administered for analysis (gathering, transcription, analysis), and a discourse-conversational model of analysis is applied. The author concludes that webinars are knowledge-specific and highly professional in their character, and they manifest certain linguistic and discourse strategies. The research also reveals that webinars feature such strategies as reformulation, mono-versation, on-screen sharing, speaker invisibility, indirect engagement, inactive moderation, and graphic interaction. Further recommendations suggest a more linguistic investigation into online learning, whether in webinars, online workshops, massive open online courses, or in any virtual learning practices.

Your phone ruins our lunch: Attitudes, norms, and valuing the interaction predict phone use and phubbing in dyadic social interactions

Phubbing—ignoring another person in order to use a smartphone instead—is an increasingly common behavior that disrupts interactions and harms relationships. Using the frameworks of the theory of planned behavior and an interaction value approach, we examined the driving factors of phubbing frequency. Four preregistered predictors were tested: attitudes toward phubbing, subjective norms of phubbing, interaction value, that is, the extent of valuing a social interaction, and the perceived interaction value of the partner. After having had lunch together, a total of 128 participants in 64 dyads filled out a survey assessing the four predictors. Dyadic linear mixed model analyses confirmed that a more positive attitude toward phubbing increases phubbing, as well as being phubbed. Moreover, we disentangled screen-sharing time (i.e., using a phone together), phone use, co-present phone use (i.e., using a phone alone), and phubbing: we found that valuing the social interaction more decreased phone use, but not phubbing, and holding more accepting subjective norms on phubbing increased co-present phone use, but not phone use in general. We further found that the person that used their phone first, phubbed more. Overall, this research extends our understanding of the factors driving phubbing and may be fruitfully harnessed to reduce phubbing.

Reimagining Training During a Pandemic: The Experience of Middle Tennessee GWEP

A major component of The Middle Tennessee GWEP involves delivery of an annual regional geriatrics update conference. Formerly in-person, the planning committee transformed the 34th Annual Update Conference to a virtual platform within a six-month period. The University partner provided a Zoom platform with licensing and training of program staff. National marketing was achieved through professional societies and purchased e-mailings. Participants numbered 79, including 8 disciplines. Presenters were instructed on platform techniques including screen sharing, polling function, and breakout rooms to enhance audience participation. REDCap registration captured demographic information and facilitated evaluations and post-attendance intention-to-change surveys. Lessons learned were shared with community partners and advisory board members who demonstrated changes in service delivery models and training of new staff to support care to greater numbers of clients and participants. Virtual platforms can extend outreach for valuable learning and service outcomes and maintain high levels of satisfaction among target audiences.

Time Delay Optimization of Compressing Shipborne Radar Digital Video Based on Deep Learning

The High Efficiency Video Coding Standard (HEVC) is one of the most advanced coding schemes at present, and its excellent coding performance is highly suitable for application in the navigation field with limited bandwidth. In recent years, the development of emerging technologies such as screen sharing and remote control has promoted the process of realizing the virtual driving of unmanned ships. In order to improve the transmission and coding efficiency during screen sharing, HEVC proposes a new extension scheme for screen content coding (HEVC-SCC), which is based on the original coding framework. SCC has improved the performance of compressing computer graphics content and video by adding new coding tools, but the complexity of the algorithm has also increased. At present, there is no delay in the compression optimization method designed for radar digital video in the field of navigation. Therefore, our paper starts from the perspective of increasing the speed of encoded radar video, and takes reducing the computational complexity of the rate distortion cost (RD-cost) as the goal of optimization. By analyzing the characteristics of shipborne radar digital video, a fast encoding algorithm for shipborne radar digital video based on deep learning is proposed. Firstly, a coding tree unit (CTU) division depth interval dataset of shipborne radar images was established. Secondly, in order to avoid erroneously skipping of the intra block copy (IBC)/palette mode (PLT) in the coding unit (CU) division search process, we designed a method to divide the depth interval by predicting the CTU in advance and limiting the CU rate distortion cost to be outside the traversal calculation depth interval, which effectively reduced the compression time. The effect of radar transmission and display shows that, within the acceptable range of Bjøntegaard Delta Bit Rate (BD-BR) and Bjøntegaard Delta Peak Signal to Noise Rate (BD-PSNR) attenuation, the algorithm proposed in this paper reduces the coding time by about 39.84%, on average, compared to SCM8.7.

A comparison of online video conference platforms: Their contributions to education during COVID-19 pandemic

COVID-19 has brought dramatic changes into the ways our day-to-day activities are carried out in recent times. Education was also affected. Online education was adopted as means to administer teaching and learning. There are numerous online video conference platforms currently available to assist in education. Nevertheless, with these platforms are various features with their inherent advantages and disadvantages. Choosing the suitable ones to meet the need of users could be a daunting task. This study utilized a comparative research method to compare features; maximum participants meeting recording duration, security, chat/screen sharing, meeting duration, archive meeting, trial versions, account creation to use and mobility, of seven online video conference platforms; Google Meet, Microsoft Teams, GoToMeeting, Cisco WebEx Meetings, Zoom Meetings, ClickMeetings and BigBlueButton. This study would aid learners, instructors and educational institutions to choose from the numerus platforms, to suit the specific needs and usage during this pandemic period and beyond. Keywords: Online video conference platform, online classrooms, online video conference platform, e-learning, Covid-19

Preface

Thanks for your support to 2021 4th International Conference on Energy and Power Engineering (EPE2021) and make papers contributions related to Energy Systems and Analysis, New Energy Materials and Devices. Electrical Machinery. Reliability and Security, Environmental Restoration and Ecological Engineering and related areas. EPE2021 was rescheduled to be held in virtual form via Tencent Meeting on September 18, 2021 because of current epidemic prevention and travel restriction. EPE2021 virtual meeting mainly include Opening ceremony, Keynote Speech, Oral presentations, Poster presentations and free discussions. In order to ensure this virtual meeting smooth running, EPE2021 organizing committee specially opened a test room before opening for experts and authors to test their participation conditions including video, audio and screen sharing, etc. in advance. List of EFE2021 Organization Committee and this titles are available in this pdf.

Why do people shop together around the same screen?

Purpose Increasingly, consumers shopping online are not doing so alone. This paper aims to identify motivations for and barriers to shopping together with relatives or friends on the same screen. Design/methodology/approach This study proposes an interdisciplinary theoretical framework investigating “sharing” and related commercial practices. It adopts an exploratory qualitative methodology as the phenomenon of screen sharing has not been widely investigated in prior consumer behavior literature. Findings Social and utilitarian motives elicit joint shopping in stores and collaborative consumption. This study reveals a third motive, related to the need for control, that drives shopping on the same screen. Screen sharing can increase efficiency, social bonds and control, due to the transparent presentation of information on the screen, but it also can cause inefficiency, social tension and struggle for control over the device. Research limitations/implications Screen-sharing motives reflect different logics for sharing: distribution (use with), communication (discuss with) and collaboration (control with). Defining further antecedents and consequences of joint shopping on the same screen represents relevant goals for further research. Practical implications By adapting their online platforms, brands can provide more agreeable, efficient and empowering experiences to screen-sharing shoppers, and thus gain competitive advantages. Originality/value Marketers generally assume online shoppers are alone at their screens, but in practice, many of them are often browsing together. Especially for families confined together at home, shopping together online constitutes a common practice.