Design of a Learning Support System with the Application of

Wifi-Based Multimedia

I Ketut Gede Sudiartha, Putu Manik Prihatini and Purbhawa I Made

Politeknik Negeri Bali, Badung Regency, Bali, Indonesia

Keywords: Multimedia, Practice, Learning, Wireless.

Abstract: One of the impacts caused by the COVID-19 outbreak is the disruption of the teaching and learning process,

both in schools and campuses. The learning process shifts from offline implementation to online

implementation. Various obstacles faced in the implementation of online teaching. One of the obstacles

faced is the difficulty in guiding practice. The development of multimedia and network technology has a

very important role in supporting online learning. For teaching materials in the form of theories or

explanations of concepts, it can be done using computer media with online video facilities. For teaching

material in the form of practice requires supervision and guidance so that the implementation of online

learning is more difficult to do. Practical learning for each field of knowledge/skills is different in terms of

the equipment used, the place of implementation and the mechanism for implementing the practice. Some

forms of practice such as computer networks, computer installations, electrical installations, and practices

that can be carried out independently but need supervision and guidance, require a system that can support

the implementation of the practice. A support service that can assist in monitoring, and guiding the

implementation of the practice is needed.

1 INTRODUCTION

Video streaming is very popularly applied as one of

the multimedia uses. Video data is sent through

distribution media in the form of wired or wireless

networks. The width of the video data transmission

path is large enough that it requires settings in the

distribution of the data.

The application of video streaming is often used

in the fields of security and entertainment. In the

field of security, video data processing is developed

with the addition of artificial intelligence methods.

In the entertainment sector, there are two ways to

handle video data, namely broadcast transmission

and pair to pair transmission.

In this study, pair to pair transmission is used but

involves more than one client which can be selected

through the application in the host unit (lecturer).

2 RELATED WORK

Video streaming is widely used in various

applications. Various methods are used to optimize

data transmission. Ryzki researched by

implementing The Real Time Streaming Protocol

(RTSP) method is used as a way of distributing

video data (Ryzki, 2020).

In addition, it is also applied to online meetings

or seminars. Distribution media in the form of

wireless networks are used for long-distance

communication. Shafqat Ur Rehman (Shafqat, 2011)

researched by combining multicast data video

straming and wireless network The application of

Multicast Video Streaming over WiFi Networks is

one of the applications of video data distribution

through wireless network media.

Several other studies that use wireless for

distributing data video streaming in interesting

implementation multimedia aplication.

3 METHODOLOGY

SDLC is a methodology regarding software

development, this model is known as the waterfall

model or software life cycle. The principal stages of

the model is illustrated in Figure 1 (Ian

Sommerville, 2010).

618

Sudiartha, I., Prihatini, P. and Made, P.

Design of a Learning Support System with the Application of Wiﬁ-Based Multimedia.

DOI: 10.5220/0011857700003575

In Proceedings of the 5th International Conference on Applied Science and Technology on Engineering Science (iCAST-ES 2022), pages 618-621

ISBN: 978-989-758-619-4; ISSN: 2975-8246

Figure 1: The Software Life cycle.

Five fundamental development activities:

1. Requirements Analysis and Definition.

Consultation with system users is needed to

obtain system’s services, constraints and goals.

Then it is stated in detailed system

specifications.

2. System and Software Design. The System

design includes hardware and software design

and relationships.

3. Implementation and Unit Testing. Software

design is realized as a set of programs or

program units.

4. Integration and System Testing. The

Application (individual program units or

programs) are tested as a complete system.

5. Operation and Maintenance. The system is

installed and put into practical use.

The advantages of the waterfall model are that

documentation is produced at each phase and that it

fits with other engineering process models.

4 DESIGN SYSTEM

4.1 Unit Requirement

The elements involved in this practical learning

support system are lecturers and students as

practitioners. The mechanism used is to build

equipment which is grouped into two.

The first group, known as the host unit, functions

to regulate and monitor the practice process. The

system used is a computer connected to a

wifi/internet network and a web-based application as

the host application.

The second group is the client unit consisting of

a camera, microphone and call button. client unit is

used by students / practitioners whose function is to

send video data and establish interaction with the

host computer.

4.2 Unit Requirement

The elements involved in this practical learning

support system are lecturers and students as

practitioners. The mechanism used is to build

equipment which is grouped into two. The first

group, known as the host unit, functions to regulate

and monitor the practice process. The system used is

a computer connected to a wifi/internet network and

a web-based application as the host application.

The second group is the client unit consisting of

a camera, microphone and call button. Client unit is

used by students / practitioners whose function is to

send video data and establish interaction with the

host computer.

4.3 Architecture System

The device architecture needed in the designed

system can be seen in Figure 2. The architecture of

the practical learning support system with the

application of multimedia describes the equipment or

units and the relationship between the equipment in

the system.

Figure 2: Practical Learning Support System Architecture.

This application involves equipment in the form of

computers supported by wifi network facilities, as

well as camera units and sound support. Software

development consists of two important parts, namely

software on the host computer and software on the

Design of a Learning Support System with the Application of Wiﬁ-Based Multimedia

619

microcontroller unit (client). This application

provides practical management services, video

viewing, host-client interaction services

4.4 Use Case Diagram System

This section contains an explanation of who and

what can be done in the system. There are two actors

in this application, namely the Lecturer as an

administrative manager with the main activity of

Student Management, Activity Monitoring and

Interaction.

The second actor is the Student, that can interact

with lecturer via camera and sound device.

Learning Support System provide facilities to

monitoring and interact between lecturer and

students. Use Case Diagram System can be seen in

Figure 3.

Figure 3: Use Case Diagram System.

4.5 Microcontroller Unit

The design of the flow and processing of

information is carried out to prepare the interface

and functions for data processing. Figure 4 shows

the equipment architecture of a microcontroller unit

connected to a wifi network.

Figure 4: Equipment Architecture of a Microcontroller.

4.6 Result and Discussion

The design of a practical learning support system

with the application of multimedia can be

implemented into a programming language and test

the system functions using the black box method.

The selection of Practitioners (students) can run

well and with a video display from the camera

placed on the headset.

The videos are shown according to the IP of each

practitioner. The interaction between the host

(teacher) and the client (student) can run well.

Figure 5 shows the display on the host computer

(lecturer). The application on the host computer

displays the results of sending video data from one of

the clients according to the selection on the host

computer application display.

Figure 5: host computer application (lecturer).

5 CONCLUSIONS

The design of a practical learning support system

with the application of wifi-based multimedia is

divided into two groups, namely the host unit as a

supervisor and regulates the course of the practicum

iCAST-ES 2022 - International Conference on Applied Science and Technology on Engineering Science

620

and the client unit (student) which functions to send

information in the form of video to the host unit.

This application can run well and provide

convenience in managing practice on campus.

Lecturers can provide direction to students without

having to be close to the practitioner, but can still

interact well. Students can interact with lecturers and

can move freely without being obstructed by cables

as video connectors.

ACKNOWLEDGEMENTS

Directorate of Research and Community Service,

Directorate General of Research and Development

Strengthening, Ministry of Research, Technology

and Higher Education, In accordance with the 2022

Research Contract Number : 968/PL8/PG/2022, SP

DIPA- 023.18.2.677608/2022 Revision 03 on 15

February 2022.

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