【正文】 高清視頻會(huì)議 系統(tǒng) 技術(shù)方案 目錄 第 1 章 視頻會(huì)議系統(tǒng)綜述 ....................................................................................... 5 視頻會(huì)議系統(tǒng)發(fā)展回顧 ................................................................................ 5 視頻會(huì)議系統(tǒng)現(xiàn)狀及未 來(lái)發(fā)展方向 .............................................................. 7 High Profile技術(shù)已經(jīng)成為視頻編碼的首選 .............................. 7 ...................................................................... 7 ...................................................................... 8 ...................................................................... 8 最新的 High Profile視頻編碼 .................................... 8 寬帶立體聲音頻協(xié)議 ...................................... 9 .................................................................... 10 、 ................................................................... 10 Annex C ................................................................. 10 Siren?22和 ................................................................ 10 視頻會(huì)議系統(tǒng)最新技術(shù)發(fā)展 ........................................................................11 SIP協(xié)議已全面應(yīng)用 ........................................................................... 11 網(wǎng)絡(luò)適應(yīng)性決定了系統(tǒng)的最終效果 ..................................................... 11 與桌面的融合技術(shù)已經(jīng)成熟 ................................................................ 13 中國(guó)視頻會(huì)議系統(tǒng)應(yīng)用現(xiàn)狀 ....................................................................... 13 第 2 章 系統(tǒng)組網(wǎng)方案描述 ..................................................................................... 16 概述 .......................................................................................................... 16 視頻網(wǎng)絡(luò)拓?fù)鋱D ................................................................................. 16 高清視頻會(huì)議系統(tǒng)配置描述 ................................................................ 17 高清視頻會(huì)議系統(tǒng)控制中心配置 ........................................... 17 高清視頻會(huì)議系統(tǒng)主會(huì)場(chǎng)的配置 ........................................... 18 高清視頻會(huì)議系統(tǒng)分會(huì)場(chǎng)的配置 ........................................... 18 第 3 章 系統(tǒng)會(huì)議功能 ............................................................................................ 20 各種整體會(huì)議場(chǎng)景 ..................................................................................... 20 任意兩會(huì)場(chǎng)的視頻會(huì)議 ....................................................................... 20 基于 MCU RMX500C的預(yù)約多組多點(diǎn)會(huì)議 .............................................. 21 各級(jí)領(lǐng)導(dǎo)決策指示傳達(dá) ....................................................................... 22 講座及各種培訓(xùn) ................................................................................. 22 指定會(huì)場(chǎng)參加的例會(huì) .......................................................................... 23 分組會(huì)議 ............................................................................................ 23 承載網(wǎng)絡(luò)可行性分析及要求 ....................................................................... 23 系統(tǒng)特點(diǎn) ................................................................................................... 25 高清視頻會(huì)議 ..................................................................................... 25 超高清能力 ........................................................................................ 25 高清多分屏能力 ................................................................................. 25 混網(wǎng)混速混協(xié) 議 ................................................................................. 26 高清數(shù)據(jù)雙流 ..................................................................................... 27 會(huì)議加密 ............................................................................................ 28 遠(yuǎn)程攝像頭控制 ................................................................................. 29 會(huì)場(chǎng)申請(qǐng)發(fā)言 ..................................................................................... 30 中文會(huì)場(chǎng)名、字幕和橫幅 ................................................................... 30 會(huì)議的存儲(chǔ)和直播 .............................................................................. 31 會(huì)議與畫(huà)面控制 ................................................................................. 32 多點(diǎn)視頻會(huì)議 ....................................................................... 32 導(dǎo)演控制模式 ....................................................................... 33 語(yǔ)音激勵(lì)控制模式 ................................................................ 33 演講者模式 .......................................................................... 34 主席控制及主席擴(kuò)展模式 ..................................................... 34 多畫(huà)面模式 .......................................................................... 35 廣播輪詢模式 ....................................................................... 35 終端召集調(diào)度會(huì)議 ................................................................ 36 點(diǎn)名發(fā)言 .............................................................................. 36 會(huì)場(chǎng)閉音 .............................................................................. 37 4： 3或 16： 9收發(fā)模式 ........................................................ 37 自動(dòng)斷線重邀模式 ................................................................ 38 第 4 章 系統(tǒng)可靠性、安全性規(guī)劃與設(shè)計(jì) ................................................................ 40 MCU電源模塊熱備份規(guī)劃與設(shè)計(jì) ................................................................ 40 IP語(yǔ)音調(diào)度和備份規(guī)劃與設(shè)計(jì) .................................................................. 40 IP語(yǔ)音調(diào)度解決方案 ......................................................................... 41 一對(duì)一的語(yǔ)音調(diào)度 ................................................................ 41 摘機(jī)直通熱線 ....................................................................... 41 多點(diǎn)語(yǔ)音調(diào)度 ....................................................................... 42 IP語(yǔ)音備份解決方案 ......................................................................... 43 推薦的 IP話機(jī)配置選型 IP650（含擴(kuò)展模塊） +IP550 ........................ 44 設(shè)備安全管理規(guī)劃與設(shè)計(jì) .......................................................................... 44