【正文】 安全可靠的系統(tǒng) ................................................................................................8 系統(tǒng)功能要求 ..............................................................................................................9 系統(tǒng)設(shè)計(jì)原則 ..............................................................................................................9 先進(jìn)性與實(shí)用性 ................................................................................................9 穩(wěn)定可靠性 ........................................................................................................10 開放性與兼容性 ..............................................................................................10 系統(tǒng)的平滑升級(jí) ..............................................................................................10 可管理性 ..............................................................................................................10 良好的性價(jià)比 ...................................................................................................10 用戶投資的保證 ..............................................................................................103 / 40第二章 系統(tǒng)網(wǎng)絡(luò)方案 .......................................................................................................11 綜述 ..................................................................................................................................11 接入環(huán)境要求 ............................................................................................................11 工程網(wǎng)絡(luò)方案拓?fù)鋱D ............................................................................................12 網(wǎng)絡(luò)方案拓?fù)鋱D ..............................................................................................12第三章 系統(tǒng)設(shè)計(jì) ..................................................................................................................13 會(huì)議電視簡(jiǎn)介 ............................................................................................................14 BYQBORYARD會(huì)議電視系統(tǒng)的組成 ...................................................................15 MCU..........................................................................................................................15 會(huì)議電視終端 ...................................................................................................15 協(xié)議標(biāo)準(zhǔn) .......................................................................................................................163．4 系統(tǒng)功能特點(diǎn) ..........................................................................................................17 先進(jìn)的多媒體編碼、靈活的網(wǎng)絡(luò)通信技術(shù) ...................................17 全實(shí)時(shí)音視頻傳輸： ...................................................................................18 完備的會(huì)議控制功能 ...................................................................................18 先進(jìn)的實(shí)時(shí)多通道混音技術(shù)： ..............................................................18 多視頻功能 ........................................................................................................18 支持代理服務(wù)器及防火墻 ........................................................................18 方便靈活的會(huì)議管理 ...................................................................................19 純軟件壓縮的設(shè)計(jì)思路 ..............................................................................19 支持多會(huì)議室 ...................................................................................................19 系統(tǒng)容量 ...........................................................................................................194 / 40 視頻會(huì)議客戶端軟件的可移動(dòng)性： ................................................19 數(shù)據(jù)的保密： ................................................................................................20 文本討論 —即時(shí)消息： ...........................................................................20 信息傳輸與會(huì)議控制相分離： ...........................................................20 按需橋接： ......................................................................................................20 會(huì)議標(biāo)示： ......................................................................................................20 畫面分辨率： ................................................................................................20 完全符合現(xiàn)有的網(wǎng)絡(luò)標(biāo)準(zhǔn) ： ...............................................................21 友好的界面應(yīng)用軟件、操作方便： ................................................21 可縮放的視頻視窗 ： ...............................................................................21 高清晰的聲音采樣： ................................................................................21 支持電子白板： ...........................................................................................21 支持文件可見共享： ................................................................................21 攝象機(jī)云臺(tái)遠(yuǎn)程控制： ...........................................................................22 快照錄像功能 ................................................................................................22 主席控制模式和自由控制模式 ...........................................................22 產(chǎn)品性能指標(biāo) ............................................................................................................22 產(chǎn)品優(yōu)勢(shì) .......................................................................................................................23 產(chǎn)品技術(shù)優(yōu)勢(shì) ...................................................................................................23 價(jià)格優(yōu)勢(shì) 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