DAB(디지털 라디오방송)는 차세대 라디오로서 지상파방송은 물론 위성방송, 케이블TV, 인터넷 등 다양한 매체에 적용할 수 있으며 이동수신에 큰 장점을 갖고 있는 매체이다. 그러나 국내에서 DA B를 실시하기 위해서는 방식선정과 더불어 주파수 할당이라는 난제로 인하여 쉽게 결정하기가 어려운 실정이다. 이 글에서는 국내 디지털 지상파 라디오방송의 조기 활성화를 위해 DAB 방식의 기술적 특성, 산업적 파급효과 그리고 각국의 서비스 추진현황을 살펴보고, 국내 도입시 고려해야 할 표준방식 및 기술적 과제에 대한 정책방안을 제안하였다.
DAB(디지털 라디오방송)는 차세대 라디오로서 지상파방송은 물론 위성방송, 케이블TV, 인터넷 등 다양한 매체에 적용할 수 있으며 이동수신에 큰 장점을 갖고 있는 매체이다. 그러나 국내에서 DA B를 실시하기 위해서는 방식선정과 더불어 주파수 할당이라는 난제로 인하여 쉽게 결정하기가 어려운 실정이다. 이 글에서는 국내 디지털 지상파 라디오방송의 조기 활성화를 위해 DAB 방식의 기술적 특성, 산업적 파급효과 그리고 각국의 서비스 추진현황을 살펴보고, 국내 도입시 고려해야 할 표준방식 및 기술적 과제에 대한 정책방안을 제안하였다.
■ Objective and Importance of Research DAB as a new forthcoming generation radio technology may be adapted to a variety of media including terrestrial broadcasting system, satellite broadcasting, CATV, and internet. It suits remarkably to mobile receiving and as a medium will influence Korean indust...
■ Objective and Importance of Research DAB as a new forthcoming generation radio technology may be adapted to a variety of media including terrestrial broadcasting system, satellite broadcasting, CATV, and internet. It suits remarkably to mobile receiving and as a medium will influence Korean industrial expanding effects and future information society to a greater extent. However, DAB as a forthcoming broadcasting technology must be adopted following careful examinations on frequency usage plan, service format, conversion schedule as well as structure of broadcasting business. On the basis of aforementioned aspects, this study is aimed to propose strategies of policies to be applied to the implementation of DAB in Korea through examination on technical trend of DAB mode and worldwide DAB service situations as well as domestic societal expanding effects. ■ Contents and Scope of the Research First of all, necessity and merits that DAB will bring were explained with regard to sociocultural and economic aspects. Secondly, executed were technological experiments on four different DAB modes by comparatively analyzing each mode with the other to come up with a mode compatible to Korean domestic radio technology with an adequate frequency and domestic frequency allocation possibility. Finally, worldwide DAB service situations and marketing trends of audio technology were analyzed and reported. On basis of the study results, proposed were the importance of available frequency, selection of demands on service, and testing necessity of the optimal DAB mode suitable for Korean domestic needs. It is possible to draw the optimal DAB mode that will be appropriate to Korean domestic situation through feasibility testing of this study. ■ Research Results The research results of this study are summarized as follows: ⅰ) Through technological/economical feasibility analyses, it is possible to draw a DAB mode suitable to Korean domestic situation. ⅱ) The results will contribute to establishment of policies for implementing digital audio broadcasting. ⅲ) This study will enable to enhance the competence of radio broadcasting, which will eventually win technologies of any other media. ⅳ) This study presented strategies for DAB implementation. ⅴ) This study contributed to promotion of technical development of DAB related industries. ⅵ) This study expected is to offer Korean domestic suppliers companies opportunities to enter into the world marketing. ■ Expectations This study is supposedly judged to have drawn optimal adaptation mode of DAB suitable to Korean domestic situation through technological/economical feasibility review. As a consequence the results of the study will expectedly play a tremendous roll in that Korean government establishes strategic policies of successfully implementing DAB in Korea.
■ Objective and Importance of Research DAB as a new forthcoming generation radio technology may be adapted to a variety of media including terrestrial broadcasting system, satellite broadcasting, CATV, and internet. It suits remarkably to mobile receiving and as a medium will influence Korean industrial expanding effects and future information society to a greater extent. However, DAB as a forthcoming broadcasting technology must be adopted following careful examinations on frequency usage plan, service format, conversion schedule as well as structure of broadcasting business. On the basis of aforementioned aspects, this study is aimed to propose strategies of policies to be applied to the implementation of DAB in Korea through examination on technical trend of DAB mode and worldwide DAB service situations as well as domestic societal expanding effects. ■ Contents and Scope of the Research First of all, necessity and merits that DAB will bring were explained with regard to sociocultural and economic aspects. Secondly, executed were technological experiments on four different DAB modes by comparatively analyzing each mode with the other to come up with a mode compatible to Korean domestic radio technology with an adequate frequency and domestic frequency allocation possibility. Finally, worldwide DAB service situations and marketing trends of audio technology were analyzed and reported. On basis of the study results, proposed were the importance of available frequency, selection of demands on service, and testing necessity of the optimal DAB mode suitable for Korean domestic needs. It is possible to draw the optimal DAB mode that will be appropriate to Korean domestic situation through feasibility testing of this study. ■ Research Results The research results of this study are summarized as follows: ⅰ) Through technological/economical feasibility analyses, it is possible to draw a DAB mode suitable to Korean domestic situation. ⅱ) The results will contribute to establishment of policies for implementing digital audio broadcasting. ⅲ) This study will enable to enhance the competence of radio broadcasting, which will eventually win technologies of any other media. ⅳ) This study presented strategies for DAB implementation. ⅴ) This study contributed to promotion of technical development of DAB related industries. ⅵ) This study expected is to offer Korean domestic suppliers companies opportunities to enter into the world marketing. ■ Expectations This study is supposedly judged to have drawn optimal adaptation mode of DAB suitable to Korean domestic situation through technological/economical feasibility review. As a consequence the results of the study will expectedly play a tremendous roll in that Korean government establishes strategic policies of successfully implementing DAB in Korea.
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