CAJ | 학술논문

随着数字电视整体转换的推进，电视节目的数字化播出信号源发生了变化，特别是数字前端平台IP组播的应用，字幕插播系统需要重新规划设计。介绍了基于组播信号的数字电视字幕插播系统的内涵、系统结构和工作流程，详细描述各个部分的设备功能和调试配置，整体构成基于组播信号的数字电视字幕插播系统方案。
수착수자전시정체전환적추진，전시절목적수자화파출신호원발생료변화，특별시수자전단평태IP조파적응용，자막삽파계통수요중신규화설계。개소료기우조파신호적수자전시자막삽파계통적내함、계통결구화공작류정，상세묘술각개부분적설비공능화조시배치，정체구성기우조파신호적수자전시자막삽파계통방안。
With the development of digital TV conversion , qualitative changes have taken place in digital tele-vision broadcast signal source , especially the application of digital front-end platform IP multi-cast, subtitles spots system needs to be planning and design .This paper introduces the digital television subtitles spots system based on multi-cast signal connotation , system structure and working process .Described in detail the function of each part of the equipment and debug configuration , whole constituted based on multi-cast signal of digital television subtitles spots system solutions .