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All Journal PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic Infotek : Jurnal Informatika dan Teknologi
Haries Anom Susetyo Aji Nugroho
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Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering

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YouTube Streaming Performance Over Wi-Fi: A Resolution-Based Analysis Haries Anom Susetyo Aji Nugroho; Sonhaji; Andika Chandra Prasetyo
PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic Vol. 13 No. 1 (2025): Maret 2025
Publisher : LPPM Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/piksel.v13i1.10580

Abstract

The quality of YouTube video streaming services affects the learning process through video streaming. With poor video service quality, it will disrupt the process of obtaining information. Therefore, there is a need for good video service quality following existing service quality standards on the internet network, according to ITU. Streaming video on YouTube consists of several resolutions. The higher the video resolution, the better the video quality but inversely proportional to the greater the internet bandwidth required. This research tries to compare the quality of YouTube video streaming services at 480p and 720p resolutions to find out if there is a significant difference between the two resolutions of video streaming services. The results obtained from this study are to determine whether or not there is a significant difference between 480p and 720p video streaming services as a consideration in determining network service policies. The method used in this research is to observe data collection directly on WiFi spread in the university environment and the data is processed to get quality of service value at 480p and 720p video resolution. Then the results of the data processing are analyzed again with statistical tests to obtain information from the comparison of the two streaming video resolutions in terms of throughput, jitter, delay, and packet loss. The results of the research show that there are no significant differences in delay, jitter, throughput, and packet loss on YouTube video streaming services at 480p and 720p resolutions.
Evaluasi Kebergunaan Aplikasi Soeselo Online Menggunakan Metode System Usability Scale (SUS), Sauro-Lewis CGS, dan Adjective Rating Haries Anom Susetyo Aji Nugroho
Infotek: Jurnal Informatika dan Teknologi Vol. 8 No. 2 (2025): Infotek : Jurnal Informatika dan Teknologi
Publisher : Fakultas Teknik Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jit.v8i2.30680

Abstract

The development of information technology in the health sector encourages hospitals to adopt application-based registration systems to improve service efficiency. RSUD dr. Soeselo Tegal Regency developed the Soeselo Online application as a solution to reduce physical queues. However, the low rating and many user complaints on the Play Store indicate potential usability problems. This study aims to evaluate the usability of the Soeselo Online application from the user's perspective. The evaluation was conducted using the Usability Testing approach using System Usability Scale (SUS), Completion Rate, Sauro-Lewis Curved Grading Scale (CGS), and Adjective Rating methods. A total of 25 respondents participated in this study. The results of the analysis show that the application has an effectiveness rate of 97.6% which falls into the “Good” category, as well as an average SUS score of 70.3 which falls into the “B” category on the CGS and “Ok” on the Adjective Rating. This finding shows that although the application is quite effective to use, there are aspects of usability that need to be improved to achieve an optimal level of user satisfaction. The results of this study are expected to be the basis of recommendations for further development of the Soeselo Online application in order to improve the quality and user satisfaction of the application, as well as for the hospital in optimizing digital-based services.
Co-Authors Andika Chandra Prasetyo Sonhaji