• Title/Summary/Keyword: Broadcasting technology

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An IoT routing based Local River Field Environment Management solution using Uzbekistan Testbed

  • Khudaybergenov, Timur;Park, Youngki;Im, Sangil;Ho, Bae Jin;Yang, Seungyoun;Kim, Jintae;Lee, Sunghwa;Cha, Dae Yoon;Woo, Deokgun;Cha, Jaesang
    • International journal of advanced smart convergence
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    • v.9 no.3
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    • pp.1-8
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    • 2020
  • Water consumption has grown at more than 2.5 times, comparing the past century. About 2.8 billion people live in river basins with some form of water deficit, because more than 75 % of the river flows are withdrawn for agriculture and other needs. Challenges faced by more and more countries in their struggle for economic and social development are increasingly related to water. This paper proposes a test of an effective local river field environment management solution. And describing a part of a pilot project for the ministry of water resources of Uzbekistan. Current work focused on direct action items of the existing project and describe an IoT routing based solution for local river field environment management solutions. Suggested technological decisions provided by needs and on-site testing results. The paper describes the backbone of IoT routing based river water resources management system.

Efficient Digital Signal Processing of DTV TxID Based On Decimation Algorithm (Decimation 알고리즘을 이용한 DTV TxID수신 신호의 효율적인 신호처리 기법에 관한 연구)

  • Son, Ju-Hee;Lee, Yong-Tae;Park, Sung-Ik;Kim, Heung-Mook;Seo, Jae-Hyun;Lee, Jae-Young;Cha, Jae-Sang
    • Journal of Broadcast Engineering
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    • v.12 no.3
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    • pp.266-277
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    • 2007
  • Recently, Transmitter Identification(TxID) technology has been issued as a technology of ATSC DTV. ATSC DTV networks are comprised of a plurality of transmitters, broadcasting the same signal sing one frequency network(SFN) connected to EDOCR. In this single frequency network, TxID technology has been recognized as a technology in the ATSC DTV system since it enables the broadcast authorities and classify multiple transmitters. However, conventional TxID uses extremely long spreading sequence to identifying transmitters, so it increases H/W complexity and registers. Thus, to solve those hardware problems, we propose an efficient signal processing technology using decimation algorithm. Furthermore, we certified the availability of the proposed algorithm via various simulations.

The Valuation of Digital TV sing IO Analysis (디지털 TV의 경제적 가치평가;IO 분석을 중심으로)

  • 민완기
    • Journal of Korea Technology Innovation Society
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    • v.3 no.1
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    • pp.100-112
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    • 2000
  • Significant changes have taken plane in the broadcasting environment as a result of digitalization the emergence of digital television and the convergence of broadcasting and telecommunication. Using input-output analysis this paper analyzes the value of economic effect of digital television in Korea The empirical result shows that total production is expected to increase about 252 trillion Won for the period of 1999-2010.

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Implementation and Field Test for Smart Hybrid Mobile Broadcasting System

  • Song, Yun-Jeong;Kim, Youngsu;Yun, Jeongil;Lim, HyoungSoo
    • IEIE Transactions on Smart Processing and Computing
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    • v.3 no.5
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    • pp.325-330
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    • 2014
  • The era of convergence is being applied to all areas of Information and Communication Technology (ICT). The convergence of broadcasting service and communication service almost occurs on smart devices including smartphone. The smart hybrid Digital Multimedia Broadcasting (DMB) is a typical example of the convergence of broadcasting and wireless communication service. The hybrid mobile broadcasting service can support seamless video, 3D, high quality, and additional data services based on network connection between the broadcasting and wireless network. The gateway and terminal (including apps on the smartphone) take the role of the main components on the hybrid service. This paper presents the service concept, main components structure, the implementation of gateway and terminals, and field test to the urban areas for the mobile hybrid system.

A Study on the Trend of 3DTV Broadcasting Technology Standardization and Service (3DTV 방송기술 표준화 및 서비스 현황)

  • Yun, K.G.;Lee, B.H.;Lee, K.S.;Lee, H.;Jung, K.H.;Hur, N.H.;Kim, J.W.
    • Electronics and Telecommunications Trends
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    • v.24 no.5
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    • pp.143-151
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    • 2009
  • 3DTV 방송은 사실감과 현장감을 내포한 콘텐츠를 획득, 압축 및 전송을 통하여 시청자가 실감 인터페이스를 이용해 상호작용을 하면서 3차원 입체 콘텐츠를 자연스럽게 몰입하여 즐기도록 하는 차세대 방송기술로서 선진 각국에서는 이미 활발한 투자와 연구를 진행하고 있으며[1] 미국, 일본 등에서는 3D 영화, 3DTV 등 관련 서비스가 상용화되기 시작하였다. 본 고에서는 3DTV의 본격적인 서비스 도입을 위하여 필수적으로 요구되는 3DTV 방송기술 표준화 및 각국 방송서비스 현황을 살펴본다.

Broadcasting and Communication Convergent Network Based on MPEG-21: Design and Implementation of Multimedia Service Framework

  • Cho, Yong-Ju;Kim, Jae-Gon;Hong, Jin-Woo
    • ETRI Journal
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    • v.28 no.5
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    • pp.561-573
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    • 2006
  • In this paper, we present a practical implementation of the MPEG-21 multimedia framework for broadcasting and communication convergent services. MPEG-21 standard technology was exploited to build a convergent service framework. Using this framework, a service model and several scenarios have been successfully designed and implemented. In addition, interoperability, which is the main objective of a multimedia framework, especially in a convergent environment consisting of heterogeneous networks and various types of devices, has been addressed in detail. The experimental results show that the implemented test bed provides a next-generation multimedia service; that is, universal multimedia access (UMA), meeting the requirements of a broadcasting and communication convergent environment.

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Considering Service Factors in R&D Project Selection: Telecommunications and Broadcasting Convergence in Korea

  • Jun, Hyo-Jung;Kim, Tae-Sung;Yeon, Seung-Jun;Ha, Won-Gyu
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.36 no.6B
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    • pp.631-641
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    • 2011
  • Digital Multimedia Broadcasting (DMB) and Internet Protocol Television (IPTV) are now in commercial service, tearing down the traditional boundaries between the telecommunications and broadcasting sectors. These latest developments also hold important implications for research projects in related areas. Both telecommunications and broadcasting being fields with a strong service orientation, market demand should be the primary consideration when selecting research and development (R&D) projects in these areas. This study presents a process for selecting converged telecommunications-broadcasting technology development projects from a demand-oriented perspective, using criteria that are based on projected future demand characteristics. Aimed at increasing the efficiency of the R&D project selection process in telecommunications and broadcasting convergence, this study can point out new directions in R&D management in this field.

Design and Implementation of MPEG-4 binary Converter for Interactive T-DMB Service (지상파 DMB 대화형 서비스를 위한 MPEG-4 바이너리 컨버터 설계 몇 구현)

  • Lee Injae;Kim Kiwan;Yu Wonhyuk;Kim Joongkyu;Kim Kyuheon
    • Proceedings of the Korean Society of Broadcast Engineers Conference
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    • 2004.11a
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    • pp.89-92
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    • 2004
  • 방송과 통신의 융합, 방송서비스의 다양화와 더불어 방송의 디지털화는 기존의 아날로그 방식에 비해 고화질 및 고음질의 방송 서비스 제공 및 타 매체와의 호환성 그리고 다양한 부가 서비스의 제공 등에 있어서 많은 이전을 제공할 수 있다. 또한, 디지털방송 방식은 기존 아날로그 방식의 이동수신 문제점을 해결하고자 디지털 오디오 방송(DAB: Digital Audio Broadcasting)에 멀티미디어 서비스를 .제공하는 디지털 멀티미디어 방송(DMB: Digital Multimedia Broadcasting)을 제안하였다. 지상파 DMB 방송은 유럽의 Eureka-147 방식의 DAB를 기반으로 하며 디지털 라디오방송과 함께 오디오 외에도 다양한 멀티미디어를 전송하고, 콘텐츠에 대화형 기능을 포함하는 서비스 형태를 목표로 하고 있다. 현재 지상파 DMB 서비스에서는 기본적인 AV 서비스를 위해 비디오는 AVC, 오디오는 BSAC에 대해 규정하고 있다. 또한 AV 규격 외에 대화형 서비스를 제공하기 위한 보조 데이터로서 장면기술 데이터와 그래픽 데이터를 지원하고 있다. 따라서 본 논문에서는 지상파 DMB를 이용한 대화형 서비스를 제공하기 위해 요구되는 초기 객체 정보, 객체 정보, 장면 구성 정보를 바이너리 형태로 생성해 주는 MPEG-4 바이너리 컨버터를 설계하고 구현하였다.

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Interactive Broadcasting Service using Smart-phone with Emotional Recognition (감정인식 기능의 스마트폰을 통한 양방향 방송서비스)

  • Cho, Myeon-Gyun
    • Journal of Satellite, Information and Communications
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    • v.8 no.4
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    • pp.117-123
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    • 2013
  • The development of the latest emotional recognition and multimedia technology has changed the traditional broadcasting system. The previous broadcasting system, which was operated by the terrestrial broadcasters, is now transformed to the viewer-centered and bidirectional broadcasting through the convergence of internet, mobile and smart TV. In this paper, smart-phone application for estimating human emotion(sadness, anger, depression) has been developed and emerged with smart TV, thereby we can present broadcasting service for enhancing the sense of common humanity among people of same group. If there is friend in the depression, we can bring comfort to him by inviting one for TV program what I watch and having a honest talk with facial avatar or emoticon. The proposed emotional broadcasting service inter-working with smart-phone application can give feeling of belonging and happiness to the people suffering from the blues, and it can prevent him from attempting suicide. In addition, smart-phone based emotional broadcasting service can be expended to program recommendation service customized to user's emotion, emotional LED lighting service to maximize the sense of reality and home shopping service taking advantage of the mood of customer.

Improvement of Local Broadcasting Service in the Age of Digital Media: Focusing on KBS (디지털 미디어 시대 지역방송 서비스 개선 방안: KBS를 중심으로)

  • Do, Gi-Tae;Jung, Hoe-Kyung
    • Journal of Digital Convergence
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    • v.18 no.4
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    • pp.381-388
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    • 2020
  • Based on local viewers' awareness of locality and consideration of desired local broadcasting service, this study explored the direction of service policy and specific service strategy of local broadcasting. The research method is a secondary analysis using three regional audience surveys and in-depth interview data conducted by KBS. For local audience, the concept of localism is being narrowed down to the city/county/district where they live. In order to reinforce the identity of local broadcasting and improve local broadcasting services, first, the function and role should be expanded to the local mega platform. Second, regional programs such as in-depth coverage and discussion of local issues should be strengthened. Third, in order to communicate with local audience, viewer analysis ability and communication education of local broadcasting members are required. Fourth, it is necessary to create an ecosystem in which local people participate as producers of local broadcasting.