視頻會(huì)議中信息處理的正確過(guò)程為()
1:信息打包(IP包),經(jīng)網(wǎng)絡(luò)傳送
2:采集音視頻信號(hào)(模擬信號(hào))
3:通過(guò)顯示設(shè)備和擴(kuò)音設(shè)備播放
4:模擬采樣轉(zhuǎn)換成數(shù)字信號(hào)
5:對(duì)端接收數(shù)據(jù)包,解壓縮,D/A轉(zhuǎn)換
6:對(duì)信號(hào)進(jìn)行壓縮編碼
A.214563
B.246153
C.261543
D.246513
A.1408*1152
B.1280*720
C.1056*864
D.704*576
A.10M
B.5M
C.2M
D.1M