• Title, Summary, Keyword: VOD

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An Analysis of Distinct Characteristics Between Free VOD and Paid VOD Users (IPTV 무료VOD이용자와 유료VOD이용자 간 차이에 영향을 미치는 요인에 관한 연구)

  • Lee, Seonmi
    • The Journal of the Korea Contents Association
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    • v.20 no.5
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    • pp.467-475
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    • 2020
  • As the growth rate of IPTV VOD usage increases it is necessary to analyze VOD usage patterns systematically. This study divides VOD users into free VOD and paid VOD users, then explores how VOD usage motivations, usage patterns, and demographic factors affect the differences between two groups. The results show that social motivation, VOD satisfaction, using content after the holdback expiration, an intention to pay for ad-skip, the proportion of VOD usage, a VOD give-up experience, TV usage time, and SVOD usage time, are statistically significant. Except the VOD satisfaction factor, all of the factors analyzed are more likely to expect paid VOD users. Additionally this study found paid VOD users are more likely to use a SVOD service as an alternative one compared with free VOD users.

Comparison Study Between Landline and Mobile VOD (유무선 모바일 VOD 인터넷간 차이 연구)

  • Sung Ho-Jun
    • KSCI Review
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    • v.14 no.1
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    • pp.273-285
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    • 2006
  • This study compares choice of contents genre between mobile VOD service users and landline internet VOD service users. Overall, males showed a higher rate of VOD usage than females and a variety of contents were used for entertainment, programs and mood alteration. In addition, a higher frequency of VOD usage showed a higher rate of VOD usage and also resulted in higher level of satisfaction. Also, the quality of landline internet VOD service showed to be higher than mobile VOD service. This suggests that programs for mobile VOD needs to be developed as well as a more open and simple rate system. In addition, subjects of this study showed to use VOD services mainly for entertainment purposes, suggesting that a variety of programs need to be developed in order to higher the level of satisfaction of its users.

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Introduction of a VOD Mobile App for Promoting VOD Service of a Domestic Digital Cable Broadcasting (국내 디지털케이블 방송사의 VOD 서비스 활성화를 위한 VOD 모바일 앱 개발 사례)

  • Ko, Kwangil
    • Convergence Security Journal
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    • v.14 no.2
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    • pp.3-9
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    • 2014
  • As the subscribers of the digital cable and IPTV broadcasting are increasing, the VOD service has established a solid foothold as a profit model of the broadcasting industries. And what's more, the VOD service is emerging as a key application of the N-screen technologies. In the circumstance, broadcasting companies are trying to provide mobile services to improve the satisfaction of their VOD services usage. The paper introduces a VOD mobile app (of a domestic digital cable broadcasting), which includes the functions of promoting the VOD programs printed on a VOD guide book, directly transmitting the information (e.g., book-marking, remote-control signals) generated by the VOD mobile app to a set-top box, and watching the video contents stored in the mobile device on TV.

Anonymous Pay-Per-View Service for Web-Based Video-on-Demand Systems (웹 기반 VOD 시스템을 위한 익명성이 제공되는 Pay-Per-View 서비스)

  • Joo, Han-Kyu
    • Journal of Digital Contents Society
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    • v.9 no.1
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    • pp.69-75
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    • 2008
  • Video-on-demand (VOD) service allows subscribers to view any video whenever they want. With the development of the high speed computer networks, web-based VOD services are available. To support VOD services, charging scheme is necessary. Pay-per-view is an effective charging scheme for VOD services. Pay-per-view allows the subscribers to pay for what they have viewed. Privacy is another important attribute for VOD services. The subscribers may not want to reveal what they have viewed to anyone including the VOD provider. Anonymity makes it complicated to calculate charge for the VOD service. An approach that achieves both anonymity and pay-per-view charge calculation is necessary. In this paper, anonymous web-based VOD service is proposed. The proposed approach also gives pay-per-view capability.

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Introduction of Mobile Supporting Functionalities for Promoting the VOD Service of a Digital Cable Broadcasting (디지털케이블방송사의 VOD 서비스 활성화를 위한 모바일 지원 기능 개발 사례)

  • Ko, Kwangil
    • Journal of Digital Contents Society
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    • v.15 no.3
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    • pp.339-346
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    • 2014
  • VOD Service, which has established a solid foothold as a profit model of digital broadcasting companies, is emerging as a key application of the N-screen technologies and services. In the circumstance, broadcasting companies are trying to promoting their VOD services by providing mobile services for improving the VOD service usability. The paper introduces a VOD mobile app (of a domestic digital cable broadcasting), which includes the functions of promoting the VOD programs and events printed on a VOD guide book, directly transmitting the information (e.g., book-marking and remote-control signals) to a set-top box, and watching the video contents stored in the mobile device on TV.

Relationship Between Terrestrial Broadcasting Services Viewing and OTT VOD Usage (지상파 방송 실시간 시청과 OTT VOD 이용 간의 관계)

  • Cho, Suk-Hyun;Lee, Hyun-Ji
    • The Journal of the Korea Contents Association
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    • v.18 no.8
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    • pp.315-325
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    • 2018
  • The purpose of this study is to search the correlation between real-time viewing and OTT VOD usage. The study is based on the ratings and VOD download data, collected from TNmS and pooq. And this study focused on the ratings, 2049 ratings, OTT VOD download over the past 7 days, OTT VOD download over the past 30 days. The results showed that there were positive correlation in all genres(drama, entertainment, current affairs). First, there was a correlation between ratings and OTT VOD download over the past 7 days, between 2049 ratings and OTT VOD download over the past 7 days. Next, there was a correlation between ratings and OTT VOD download over the past 30 days, between 2049 ratings and OTT VOD download over the past 30 days. Finally, there was somewhat different among rankings of the ratings and VOD download.

A Study on Impact of Media Use Characteristics/Evaluation for Guide Channel on Intention to use VOD provided by Multichannel Service Provider (유료방송 서비스 이용자의 미디어 이용특성과 가이드 채널에 대한 평가가 VOD 이용의사에 미치는 영향에 관한 연구)

  • Joh, Seong Je;Lee, Yeong Ju
    • Journal of Broadcast Engineering
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    • v.21 no.2
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    • pp.210-218
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    • 2016
  • In this study VOD usage patterns(VOD use and paid amount) of IPTV users were investigated reflecting the level of media use characteristics such as TV viewing time, star preference, and genre preference. Also the impact of media using characteristics and the evaluation of guide channel on the intention to use VOD was analyzed. The web survey was conducted against the respondents who have used VOD and guide channel. The results are as follows. Among the media usage characteristics, star preference has the impact on the VOD use, while genre preference has relation to the willingness to pay for VOD. Secondly, the intention to view the guide channel, entertainment of the channel, and the users' genre preference have significant impacts on the intention to use VOD. Therefore, it is necessary to raise the viewing rate of guide channel by providing the customized promotion strategy and diverse events based on the analysis of VOD usage.

A Longitudinal Time Series Study on the Viewing Behavior of Digital Media VOD Service Focused on Terrestrial VOD of IPTV for 5 years (디지털미디어 VOD 서비스 시청행태의 종단 시계열추세 연구 - 5년간 지상파VOD의 실적을 중심으로)

  • Lee, Sang-Ho
    • Journal of the Korea Convergence Society
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    • v.8 no.9
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    • pp.277-283
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    • 2017
  • This paper deals with a longitudinal time series study on the viewing behavior of digital media service. After holdback of terrestrial broadcasting VOD service was extended in 2013, viewers' terrestrial broadcasting VOD viewing went down sharply. Researcher assumed that there was driven by watching alternative products such as movies, kids, etc. as the cause of the decline of the terrestrial broadcasting VOD viewing. In addition, researcher assumed that the decline of terrestrial broadcasting VOD viewing had an influence on the viewing rate of the terrestrial real-time broadcasting, and confirmed the cause of the decreasing of the terrestrial real-time broadcasting viewing rate. In order for terrestrial broadcasters to retrieve real-time broadcasting and VOD viewing, it is necessary to shorten the VOD holdback and reacquire viewers away from terrestrial broadcasting.

Effect of the VOD Holdback Strategy Change on IPTV and Cable TV VOD Usage (VOD 홀드백 정책 변화가 IPTV와 케이블TV VOD 이용에 미치는 영향)

  • Cho, Sukhyun;Chung, Donghun
    • The Journal of the Korea Contents Association
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    • v.15 no.5
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    • pp.142-150
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    • 2015
  • This study examines the effect of changes in the content distribution strategy on VOD usage by comparing the VOD usage pattern following the changes in the IPTV and Digital Cable SVOD holdback policy. The result of this study shows that after changing the SVOD holdback from one week to three weeks, the VOD usage decreased up to 50 percent while paid VOD revenue increased as a result of the rise in PPM. The time series analysis shows statistical decrease in the number of SVOD usage, SVOD usage per user, and PPV revenue per user while VOD revenue per user increased significantly. Moreover, SVOD usage within the drama genres such as mini-series, weekend series, weekend special series, and sitcom decreased significantly. This research provides a case study on the effect of the broadcaster's content distribution policy on the VOD user behavior thus proposing broadcasters and platform operators the ways of establishing distribution strategy as well as invigorating the VOD usage.

A History-based Scheduler for Dynamic Load Balancing on Distributed VOD Server Environments (분산 VOD 서버 환경에서 히스토리 기반의 동적 부하분산 스케줄러)

  • Moon, Jongbae
    • Proceedings of the Korea Information Processing Society Conference
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    • pp.210-213
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    • 2010
  • 최근 사용자의 멀티미디어에 대한 요구의 증가가 VOD (Video-on-Demand) 서비스를 발전시키게 되었다. VOD는 엔터테인먼트나 원격 교육, 광고 및 정보 등 많은 분야에서 사용되고 있다. 이러한 VOD 서비스는 많은 디스크 I/O와 네트워크 I/O를 요구하며 기존 웹 서버 시스템과 비교했을 때 오랜 시간동안 서비스를 해야 하는 특징을 가지고 있다. 또한 VOD 서비스는 많은 네트워크와 디스크의 대역폭을 요구하며, 서비스의 QoS에 민감해서 사용자 응답시간이 길어지면 사용자 요청의 취소율이 높아지게 된다. 따라서 불만족스러운 서비스의 증가로 네트워크 부하만 증가하게 된다. 이러한 기존 웹 서버 환경과는 다른 부하의 패턴이 있는 VOD 서비스 환경에서는 부하를 균형적으로 분배하여 서비스의 QoS를 높이는 것이 매우 중요하다. 본 논문에서는 분산 VOD 시스템 환경에서 부하를 효율적으로 분산하기 위해 계층형 분산 VOD 시스템 모델과 사용자 요청 패턴의 히스토리와 유전 알고리즘을 기반으로 한 스케줄러를 제안한다. 본 논문에서 제안한 계층형 분산 VOD 시스템 모델은 서버들을 지역적으로 분산하고 제어 서버를 지역마다 설치하여 지역에 있는 VOD 서버들을 관리하도록 구성한다. 사용자 요청을 지역 서버군 내에서 분산시키기 위해서 히스토리를 기반으로 한 유전 알고리즘을 사용한다. 이러한 히스토리 정보를 기반으로 유전 알고리즘의 적합도 함수에 적용하여 VOD 시스템을 위한 유전 알고리즘과 유전 연산을 구현한다. 본 논문에서 제안한 부하 분산 알고리즘은 VOD 서비스 환경에서 사용자 요구에 대한 부하를 보다 정확하게 예측하여 부하를 분산할 수 있다. 본 논문에서 제안한 계층형 분산 VOD 시스템의 부하 분산 알고리즘의 성능을 테스트하기 위해 OPNET 기반 시뮬레이터를 구현한다. 라운드로빈(round-robin) 방식과 랜덤(random) 방식과의 비교 실험을 통해 본 논문에서 제안한 부하 분산 알고리즘의 성능을 평가한다. 비교 실험을 통해 본 논문에서 제안한 알고리즘이 보다 안정적인 QoS를 제공하는 것을 보여준다.

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