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    Please use this identifier to cite or link to this item: http://ccur.lib.ccu.edu.tw/handle/A095B0000Q/398


    Title: Broadcast Markup Language 於嵌入式系統之實作與應用;Implementation and Application of BML in an Embedded System
    Authors: 黃建翔;HUANG, CHIEN-HSIANG
    Contributors: 電機工程研究所
    Keywords: 嵌入式;數位機上盒;Broadcast Markup Language;DSM-CC;embedded;digital machine box;Broadcast Markup Language;DSM-CC
    Date: 2017
    Issue Date: 2019-07-17
    Publisher: 電機工程研究所
    Abstract: 科技的進步使電視的發展有了很大的改變,從原本的有線傳輸、類比訊號發展到如今的無線傳輸與數位訊號,隨著數位機上盒(Set-Top Box,STB)的普及,無線數位電視成了民眾免費訊息的來源,無線數位廣播的優點可以傳輸各種不同的資訊、不會受時間與空間的限制,且可以在不同平台上使用,因此除了單純的電視頻道外,無線數位廣播也可以加入互動式的內容,像是天氣內容的查詢、政府相關法規的推播等等,都可以透過無線數位廣播傳遞給民眾。本論文使用揚興科技提供的ISB293 STB開發板做為嵌入式系統的開發平台,藉以實現播放電視節目廣播及瀏覽BML資訊的功能。首先針對系統開發套件進行重新組譯的動作,之後將編譯好的系統以USB或USB ICE Tool燒錄到平台上完成系統的建置。平台建置完畢後,首要任務是將BML browser SDK移植到平台系統上,完成移植後需要把平台底層相對應的API與SDK作連結,若無API與SDK沒有相對應的功能則需要調整或是開發,完成上述步驟後得以實現播放無線數位電視頻道與BML的功能。在平台上完成BML功能後,由於SDK在移植與系統速度上,有一些改善空間。因此藉由BML browser的開發嘗試找出在速度上可以優化的地方,且在BML browser完成後,後續在移植到其他平台時可以節省較多開發時間。
    With the progress of technology, the development of television has been greatly changed from the original cable transmission, analog signal to today's wireless transmission and digital signals. By the popularity of Set-Top box, the Digital TV has become the source of free messages for people. The advantages of digital broadcasting can transmit a variety of different information and will not be limited by time and space. It can also be used on different platforms. In addition to simple TV channels, the digital broadcasting can even add interactive content, such as the weather and important laws. Each kinds of the messages can be transmitted through the digital broadcast to the public.In this paper we use the ISB293 STB development board provided by Aonvision Technology Corporation as the development platform of embedded system. In order to realize the function of broadcasting TV and browsing BML information. First of all, we recompile the system development kit, then upgrade the system by using USB or USB ICE Tool. After building up the system of the platform, we need to add BML browser SDK to the platform system by linking the underlying API. To complete the above steps we can achieve the ability to play digital TV channels and BML.BML function which complete in the platform has improvement of the SDK transplant and system speed. So by BML browser development, we attempt to find out where the speed can be optimized. And the completion BML browser can save more development time in the transplant to other platforms.
    Appears in Collections:[電機工程研究所] 學位論文

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