• The Korean Journal of Applied Statistics
• /
• v.30 no.6
• /
• pp.809-825
• /
• 2017

The number of TV entertainment shows is increasing. Competition among programs in the entertainment market is intensifying since cable channels air many entertainment TV shows. There is now a need for research on program ratings and the number of episodes. This study presents predictive models for entertainment TV show ratings and number of episodes. We use various data mining techniques such as linear regression, logistic regression, LASSO, random forests, gradient boosting, and support vector machine. The analysis results show that the average program ratings before the first broadcast is affected by broadcasting company, average ratings of the previous season, starting year and number of articles. The average program ratings after the first broadcast is influenced by the rating of the first broadcast, broadcasting company and program type. We also found that the predicted average ratings, starting year, type and broadcasting company are important variables in predicting of the number of episodes.

• International Journal of Human Ecology
• /
• v.13 no.2
• /
• pp.101-111
• /
• 2012

Children have become the target of intense and specialized food advertising efforts. This study examines the content of TV food advertising and discussed possible concerns from the perspective of children. A total of 102 ads were collected from two cable networks aimed at children. Most of the food ads used emotional appeals and did not provide information clues such as nutrition values. Ads with high sales pressure and celebrity endorsements appeared frequently and the ads for snack foods and high-carbohydrate bakery products were dominant. Understanding food ads can be a significant indicator to establish the orientation of consumer ad education and build educational programs appropriate for children. The issue that appears conspicuous in child targeted advertising and marketing is the childhood obesity and food advertising relation; subsequently, there is a need to evolve advertising that targets children into a positive educational information source.

• IEMEK Journal of Embedded Systems and Applications
• /
• v.3 no.4
• /
• pp.207-217
• /
• 2008

A novel scheme is presented for Traffic Encryption Key (TEK) rekeying with low communication overhead for an Internet Protocol television (IPTV) conditional access system over Data-Over-Cable Service Interface Specifications (DOCSIS) 3.0. The proposed scheme utilizes the DOCSIS system synchronization for periodic TEK rekeying instead of a conventional TEK rekeying negotiation process. Analysis shows that the communication overhead is only 0.012 Kbps when TEK rekeying frequency is 1 second.

• 한국디지털정책학회:학술대회논문집
• /
• 2004.11a
• /
• pp.283-294
• /
• 2004

Within the rapidly changing environment of global economics, the environment of higher education in the universities & companies, also, has been, encountering various changes. Popularization on higher education related to lifetime education system, putting emphasis on the productivity of education services and the acquisition of competitiveness through the market of open education, the breakdown of the ivory tower and the Multiversitization of universities & companies, importance of obtaining information in the universities & companies, and cooperation between domestic and oversea universities, industry and educational system must be acquired. Therefore, in order to adequately cope with these kinds of rapid changes in the education environment, operating E-Learning Education & company by utilizing various information technologies and its fixations such as Internet, E-mail. CD-ROMs. Interactive Video Networks (Video Conferencing, Video on Demand), CableTV etc., which has no time or location limitation, is needed.

• Proceedings of the KIEE Conference
• /
• 2004.11c
• /
• pp.268-270
• /
• 2004

There are various researches on MPEG techniques. MPEG technique is used to digital TV(DTV) and internet image communication. Connection method between server and client is usually using wire. Applications may be expanded, if wireless technology is used between server and client system. In this paper, Bluetooth is used for connection method between server and client. Bluetooth offers fast and reliable transmissions of both voice and data over the globally available 2.4GHz ISM (Industrial, Scientific and Medical) band. One of the major application purposes of Bluetooth is the cable replacement for mobile and peripheral devices. Bluetooth has the advantage of small size, low power and low cost. It has the disadvantage of limited bandwidth and limited range. In order to transfer effectively image Information between server and client using Bluetooth, we apply MPEG-2 and MPEG-4 image compression techniques and the results are compared with each other.

• Korean Management Science Review
• /
• v.15 no.2
• /
• pp.161-175
• /
• 1998

As organizations have come to be more complex and diverse, management has come to spend an increasing proportion of its time and efforts in handling organization conflict. Moreover, organizational conflict problems are often not recognized until the balance of interests is destroyed or a radical organizational change such as BPR takes place. Once an organizational conflict arises, however, it reduces corporate synergy seriously, leading to organizational ineffectiveness. Therefore, it is important to identify the cause of organizational conflict in advance and resolve it based on the proper diagnosis as early as possible lest it should undermine the organizational effectiveness. We propose a method that facilitates diagnosing potential organizational conflict and determining appropriate strategy to the conflict, based on the analysis of cognitive maps. To support the application of the method in the real world context, a computerized tool is introduced. The working procedures of the method and the features of the tool are illustrated with their application to the real case of the cable TV home shopping company.

• Proceedings of the Korean Society of Broadcast Engineers Conference
• /
• 2000.11b
• /
• pp.21-26
• /
• 2000

이 논문은 아날로그 CATV망을 이용하여 디지털 TV신호를 전송할 때의 성능을 연구하였다. 디지털 전송성능을 분석하기 위하여, 디지털 전송시스템은 DVB-C 규격을 적용하였으며, 채널손상요소로는 랜덤잡음과 극소반사(microreflection)를 고려하였다. 극소반사에 대한 모델링은 미국 CableLab사에서 측정한 값을 적용하였으며, 극소반사의 영향을 최소화하기 위해서 수신단에서 블라인더 등화기를 적용하였다. 전송성능은 $E_b/N_0$에 대한 BER과 MSE를 이용하여 표현하였다.

• Proceedings of the Korean Society of Broadcast Engineers Conference
• /
• 2013.06a
• /
• pp.101-103
• /
• 2013

최근 HD (High Definition) 또는 3D (Three Dimension) 이상의 고품질 방송 콘텐츠 수요가 증가하면서 디지털 방송 시스템은 실시간으로 실감형 서비스를 제공하기 위하여 발전 하였다. 특히, 세계 방송 비영리 협회 FoBTV (Future of Broadcast Television) 는 더 나아가 초 고해상도 UHD (Ultra High Definition) 급 이상의 영상을 제공하기 위해 지상파 방송과 유선 케이블 방송 시스템을 이용하여 고품질, 다시점 방송 서비스 뿐 아니라 낮은 전계 강도 환경에서 수신율을 높일 수 있는 기술방안을 논의하고 있다. 본 논문은 이와 같은 세계 방송 발전 흐름에 따라 지상파 및 케이블 방송 송수신 시스템을 구현하고 수신되는 영상의 품질을 평가하였다. 또한, 구현된 통합 시스템은 지상파로 수신되는 파일럿 신호의 크기를 분석하여 케이블로 재전송 되며 이를 통해 수신 성능의 품질을 향상시킨다.

• Electronics and Telecommunications Trends
• /
• v.28 no.6
• /
• pp.150-155
• /
• 2013

현재 3DTV 방송은 UHDTV(Ultra High Definition Television) 방송과 더불어 차세대 방송기술로써 인식되고 있으며, 한국, 미국, 유럽 등 선진국을 중심으로 다양한 방식의 3DTV 실험방송 및 상용서비스가 활발히 진행되고 있다. 표준화 측면에서는 프레임호환 3DTV에서 서비스호환 3DTV 서비스로 발전되고 있으며, 방송망 및 IP망을 결합한 하이브리드 3DTV 서비스에 대한 표준화가 진행 중에 있다. 이러한 전 세계 표준화 움직임을 토대로, 본고에서는 ITU-T, SCTE, DVB 및 TTA 등 케이블디지털 방송 매체 기반의 3DTV 방송서비스에 대한 국내외 표준화 현황에 대해 살펴본다.

• Proceedings of the IEEK Conference
• /
• 2008.06a
• /
• pp.183-184
• /
• 2008

From the beginning of a new millennium, the digital broadcasting services had been adopted to cable, satellite and radio broadcasting services as well as the terrestrial TV broadcasting services. The government established the installation standard of digital receiving equipment in 2007, which is needed for taking the new digital broadcasting services without additional facilities in an apartment house. In this paper, I will show the installation standard of digital receiving equipment in an apartment house and give a detailed explanation for the main criteria of it.