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              多媒體會議遠程系統

              2018-7-24 16:27| 發布者: qhjtit| 查看: 832| 評論: 0

              會議室建設項目建設,按照“需求牽引、瞄準前沿、確保可行、利于發展”的思路,建設一套集日常會議、視頻會議為一體的會議室,確保會議室設計理念先進、系統穩定、功能完善、指揮高效。

              1.   系統要做到可方便快捷的管理所有視頻、音頻系統;

              2.   提高顯示效果,使用高清投影機、LED拼接屏,具有對比度高、圖像清晰度好、畫面均勻、色彩銳利、壽命長,畫面質量穩定等;

              3.   保證音頻擴音系統易操作、功能靈活,滿足會議的不同功能要求;

              4.   設計集中控制系統,使整套系統能夠方便快捷的管理;

              5.   滿足召開視頻會議、日常會議等要求;

              6.   滿足高清信號傳輸、視頻終端信號接入及信號顯示的需要。

              7.   滿足會議室討論等的需要;


              一、拼接屏

              分布式圖像處理系統是全新一代基于以太網的分布式拼接控制系統,突破了以往的拼接控制器在穩定性、擴展性、信號之類以及傳輸距離等方面的限制,擁有穩定性高、無限擴展、信號質量好、傳輸距離遠等優勢。

              分布式的結構提高了系統的整體穩定性,單個節點的損壞不會影響整個系統的功能,并從結構上提供了無限擴展的可能性——只需增加相應數量的節點 連接至交換機;基于網絡的特點使整個系統的布置更靈活,與其他系統的銜接更方便,并且可在此基礎之上開發出許多其他方面的應用。

              二、會議系統

              一套較完整的數字會議系統大約包括以下幾個主要方面:報到、發言、表決、會議擴聲、資料顯示、會議進程控制;會議攝像、會議多媒體資料展示,本系統首先完成會議報到、發言(表決選)和會議進程管理等三項主要功能,實現報到及時、無誤、發言靈活、可控;表決迅速、準確;并為其他功能的擴充和升級提供標準化的接口,使整個接口具有較好的先進性和良好的兼容性,本次會議室設計采用數字會議系統。


              三、擴聲系統

              音響擴聲系統會議室的面積和使用功能,參考國家擴聲廳級標準一級進行設計,會議室擴聲系統的音響效果應能符合以上GYJ125廳堂擴聲系統設計的聲學特性指標中的語言擴聲一級標準演講時應能達到語言清晰、無失真、聲壓余量充分、聲場分布均勻、無聲反饋嘯叫,聲像定位正確。音響擴聲系統主要由揚聲器、功率放大器、音頻處理設備、調音臺、話筒、音源等設備組成。整個系統選用同類產品中音色優美的高檔次音響器材為主組成音響系統,選用同類產品中技術最成熟、性能先進、使用可靠的產品型號,通過計算會議室的音響場地系數進行設計,保證會議室每個角落的聲場聽覺均勻,沒有出現失真、偏音、混音、回響等不良音響效果;會議室的擴聲系統主要由三大部分組成:聲源、音頻處理設備、功放及揚聲器系統。

              四、矩陣系統

              標準的、現代化的會議室,一套完整的視頻管理切換系統是非常有必要的,在現今視頻系統發展從模擬視頻向數字視頻過渡,從標清信號向高清信號過渡的時期,各種視頻源設備和各種視頻顯示設備采用了不同的編碼技術和接口方式,因此在高清視頻系統設計中必須詳細了解各種視頻信號的傳輸距離、編解碼方式,否則視頻信號將無法兼容和顯示。會議室的信號源設備主要由多媒體會議桌插、地插,攝像機,DVD等組成,有了各種信號源,就形成了多個信號源,與多個顯示設備之間的矩陣式選擇關系。多路的電腦VGA信號、多路的視頻信號和投影機、顯示器之間,就形成了這樣的關系,那么這兩種設備之間,就必須有一種設備,它能夠擔負眾多的顯示信號源(輸入)和眾多的顯示設備(輸出)之間的任意組合(切換);矩陣系統成為多媒體會議室必不可少的組成部分。


              五、中控系統

              中央集中控制系統為智能多媒體會議室系統設計靈魂,集中了燈光、機械、投影及視音頻控制手段于一體,為使用者提供簡單、直接的控制界面,令使用者能方便地掌握整個空間環境各設備的狀態及功能。會議室中控系統設計一套中控主機,一套音視頻切換矩陣,滿足對會議室音視頻進行實時切換調度,中控系統采用無線觸摸屏進行操作,中控主機和無線觸屏根據會議室時間使用情況,編輯運行控制程序,下載到中控主機和無線觸摸屏進行控制運行,在無線觸摸屏的控制線,達到音視頻切換實時操控,解決繁瑣操作。

              六、遠程視頻系統

              遠程視頻會議采用云架構,MCU之間可以實現備份功能,確保整個遠程視頻會議下他的正常運行;視頻終端具有一鍵入會一鍵發言的研發專利,使操作性更靈活更方便;同時還可以對視頻終端進行診斷和管理、網絡狀態查詢等功能;是一套性價比高、性能穩定、易操作的遠程視頻會議系統。

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