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Decision Support System Assessing Feasibility Taekwondo Athlete (UPN “VETERAN” Yogyakarta) Cahyana, Nur Heri; Herdiansyah, Fachrizal; Indra Perwira, Rifki
SENATIK STT Adisutjipto Vol 5 (2019): Peran Teknologi untuk Revitalisasi Bandara dan Transportasi Udara [ISBN XXX-XXX-XXXXX-
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v5i0.341

Abstract

Indonesian taekwondo athlete's achievements have improved because he managed to win several medals in international championships. Being a taekwondo athlete requires a willingness, discipline, good physical condition, experience, mental endurance, unyielding spirit, and proper posture. The assessment process is still done manually by asking taekwondo for their availability in the match; therefore, it requires a decision support system to measurement of participants (taekwondoin).   Decision support is a way to provide problem-solving skills and be able to support the work of a coach in solving problems by giving suggestions towards certain decisions. The purpose of Simple Additive Weighting is to determine the feasibility of taekwondoin selection to become an athlete on the championship team. Dynamic criteria allow adding the criteria needed for coaches and managers. Coaches and managers also can refine taekwondo by adding the required criteria to the agreed additional criteria. The result of this paper is application can give the decision of athletes who deserve to enter the match team. To facilitate managers and coaches in screening the best athletes. The validation test results obtained 85% compatibility between the selection results in the application and manual calculations.
Implementation of Steganography on Voice Over Internet Protocol (VOIP) Santosa, Budi; Ahmad Juni Haryanto, Fandi; Indra Perwira, Rifki; Prasetyo, Dessyanto Boedi
SENATIK STT Adisutjipto Vol 5 (2019): Peran Teknologi untuk Revitalisasi Bandara dan Transportasi Udara [ISBN XXX-XXX-XXXXX-
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v5i0.334

Abstract

Steganography is the science of hiding messages into a container without changes detected by the human senses. Cryptography is the science to keeping the message still safe. Combine between Steganography and cryptography can be used, but if there is exchange information still use separately, worry about there is a change in file size, which can result in damage. VoIP is a technology that allows to communicate with use communication lines on a network. VoIP refers more to voice communication. I am utilizing VoIP as a voice communication channel with voice as a medium for inserting secret messages. The research results that steganography techniques can be used with VoIP. By inserting a text message that is first encrypted and then entered into sound by the Least Significant Bit method. The test results, the Alpha testing, and Beta testing, resulted in a percentage above 90%.