Edusat Satellite Based Education: Study of Scope for Enhancement of Audio-Video Quality- A Case Study of Madhya Pradesh Bhoj (Open) University
Daulat Singh1, Shiv Kumar2, Rakesh Shrivastava3, Dinesh Varshney4
1Daulat Singh, Department of Computer Science, ITM University, Gwalior (M.P.)-462021, India.
2Shiv Kumar, Department of Information Technology, Technocrats Institute of Technology, Bhopal (M.P.)-462021, India.
3Rakesh Shrivastava, Department of Higher Education, Govt. of Madhya Pradesh, Bhopal (M.P.)-462021, India.
4Dinesh Varshney, Multimedia Regional Center, Madhya Pradesh Bhoj (Open) University, Indore (M.P.) – 452001, India.
Manuscript received on September 01, 2012. | Revised Manuscript received on September 02, 2012. | Manuscript published on September 05, 2012. | PP: 11-20 | Volume-2 Issue-4, September 2012. | Retrieval Number: D0851072412/2012©BEIESP
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© The Authors. Published By: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: Edusat Satellite is the satellite dedicated for fulfillment the needs of education and its effective usage requires a network comprising Hub, Teaching End (Studio) and Receiving Terminals. The present study is related with Edusatnetwork of Madhya Pradesh Bhoj (Open) University, which includes Hub dedicated for higher and distance education, Studio and 40 Satellite Interactive Terminals with Edusat-network provided by Indian Space Research Organization (ISRO). These SITs have been installed in urban, rural and tribal areas. Detail study of equipments of hub, studio and receiving terminals was taken up. Target group was chosen and most easy and suitable way of virtual class was identified. Various factors affecting quality of audio/video were drawn from the study and content/presentation of video lectures were analysed. Recorded video lectures and live lectures were telecasted for 177 working days and observations related to BER (Bit Error Rate) correlating problems encountered during operation of terminals, audio-visual quality of lectures, skill and response of operators were made. We aimed at identifying the scope of enhancement in audio-video quality of the material telecasted through Edusat. The study is based on the network which has been created mainly for the students of rural and tribal areas. On the basis of observations and BER data collected from hub, the present study makes findings and suggests those possibilities which can enhance the audio-video quality of the telecast without any major change in satellite’s band width and hub, and with minimum increase in cost and expenditure.
Keywords: Edusat- Satellite dedicated for education, SITSatellite Interactive terminals, BER- Bit Error Rate, RCSTReturn Channel Satellite Terminal, LNB- Low Noise Block down converter, GCU- (Gateway Cannel Unit), Gramsat- Satellite based project for villages, TDCC- Training and Development Communication Channel.