【正文】 ........................................4 項目背景 ...................................................................................................................................4 安全可靠性 ...............................................................................................................................4 會議穩(wěn)定性 ...............................................................................................................................4 承載網(wǎng)絡(luò)分析 ...........................................................................................................................4 項目建設(shè)目標(biāo) ...........................................................................................................................5第 2 章 會議電視系統(tǒng)發(fā)展 ..............................................................................................8 概述 ...........................................................................................................................................8 成為主流編碼標(biāo)準(zhǔn) ........................................................................................................9 寬帶音頻成為共同的追求 .....................................................................................................10 高清圖像成為劃時代的標(biāo)準(zhǔn) .................................................................................................11第 3 章 系統(tǒng)設(shè)計原則與規(guī)范 ........................................................................................14 設(shè)計原則 .................................................................................................................................14 執(zhí)行的規(guī)范和標(biāo)準(zhǔn)、設(shè)計依據(jù) .............................................................................................16 設(shè)備選型原則 .........................................................................................................................18第 4 章 系統(tǒng)組網(wǎng)方案描述 ............................................................................................20 網(wǎng)絡(luò)現(xiàn)狀分析 .........................................................................................................................20 組網(wǎng)需求 ........................................................................................................................20 工程需求分析 .........................................................................................................................21 IP 網(wǎng)絡(luò)的建設(shè) ...............................................................................................................21 高分辨率的顯示設(shè)備 ....................................................................................................21 高清系統(tǒng)接口 ................................................................................................................22 MCU、終端、攝像頭 ...................................................................................................24 視頻會議系統(tǒng)設(shè)備選型 .........................................................................................................24 高清視頻會議系統(tǒng)描述 .........................................................................................................26 HDX 系列終端簡介 ...............................................................................................................29 系統(tǒng)的全面擴展 .....................................................................................................................32第 5 章 視頻會議功能 ...................................................................................................33 終端點對點視頻會議 .............................................................................................................33 多點視頻會議 .........................................................................................................................33 多組多點視頻會議 .................................................................................................................34 多分屏視頻會議 .....................................................................................................................34 混合視頻會議 .........................................................................................................................34 雙流數(shù)據(jù)協(xié)作會議 .................................................................................................................35 多點會議的召開方式 .............................................................................................................36 多點會議的控制方式 .............................................................................................................363 / 74 語音激勵控制方式 ........................................................................................................36 導(dǎo)演控制方式 ................................................................................................................37 輪巡方式 ........................................................................................................................37 演講者控制方式 ............................................................................................................37 AES 加密會議 ........................................................................................................................37 雙顯仿真的應(yīng)用 .....................................................................................................................38 打造最好的聲音和圖像會議效果 .........................................................................................38 靈活、方便的使用和管理方式 .............................................................................................39 系統(tǒng)管理的安全性 .................................................................................................................39 面向未來的先進(jìn)系統(tǒng) .............................................................................................................40第 6 章 高清視頻會議系統(tǒng)特點 ....................................................................................41第 7 章 高清視頻會議的優(yōu)勢 ........................................................................................43 寬帶音頻技術(shù) .........................................................................................