广播电台自动化播出系统设计与实现-计算机科学与技术 计算机应用技术专业论文.docxVIP

中嚣科学技^术大学顿土学垃抡文摘要 中嚣科学技^术大学顿土学垃抡文 摘要 本文磷究了当箭广播魄台自瀚纯播趱系统茇麓的现状，对广攒魄台爨麓化 攒爨系统懿安全黎褊、数务流程滋行了系统的阐述，分祈了数字音频技术、多 媒体邋信技术鸵滠理及应用，从较搏技术鞠矮羚搜拳嚣个方瀛辩纂予数字酱犊 技术、计算机网络技术、计算机多媒体通信技术和存储技术的广撩呶台鱼动化 撵滋系统鹅安全搔漤梳裁逡符了有益韵探讨释禚较蟪尝试，研究开发了特播邂 节阏锁定、节目自动预载、攫出炼数据黪多搬肉技术窝瓣络、拔态餐熊判凝等新 黧的安全矮出技术，籀望藉藏对遮秘凝兴骢广撵技本豹萘绫安全魏裁遘一步宠 善，扶焉迭垂《对播掇带靖内蜜进杼蜜全管联鞠搔磁节目避行安全播融的爨靛。 诧舞，还开鼹了爝簧避声卡替代专泣声等静铺新技术研究，使祷用普通声卡也 黢对MPEG—l Layer2鸯频文馋进行编辑，从嚣降低系统麴运装成本。 根据一￡述的分析与研究。设计实现了用予广播电台的自动化播出系统，使 繁爨煞录巷《、编辑、裁佟黧播毒数字讫、酝韵耽，并酉支持对节髓酌审孵、颚 哳以及提供音频资料在线访问和鸯颁节雕数撰库的蛰理。 关键警：皴字音频技术多媒体授米 自动化播出系统音频节目数据库安 全梳锻 萤爵自砖颈载待播密节秘锁定 多籀向技术阏终状态智熬判鼗 酷pEG一1 Layer2 中圈科学技术大学硕．}学位论文Abstract 中圈科学技术大学硕．}学位论文 Abstract The paper describes the developing actuality of radio automatic broadcasting system，studies Secure framework and operation flow of the system，analyses the key theory and application of di瘿tal audio technique and multimedia communication technique，discusses software and hardware of the system based on digital audio technique，computer network technique，multimedia communication technique and storage technique，studies and tries secure broadcasting mechanism in the system。We 城珏g forward some new technique,such as locking program馥ecked technique, program downloaded automatically technique，multi direct technique of broadcasting database and intelligent estimation of network status for se蝴re broadcast,and SO On． We hope to improve se跏re me蕊a髓ism of the system for the new developing broadcast technique，and realize program content and program broadcasting SecUre management+At the same time，we innovate the technique which uses civil sound card instead of professional sound card to editing MPEO-1 Layer2 format，this innovating technique will reduce operation COSt of the system。 According to these ana瞵s and s纯硅y，we design and implement a radio automatic broadcasting system，which makes the program recorded，edited，produced and broadcasted in digital and automatic,and supports checking，pre—listening, accessmg and sharing programs online and managing audio program database。 Key Wor