视频会议系统建议方案

InternetDDNISDNITU-TH.320ISDNDDNn64KbpsITU-TH.3232Mbps384Kbps512K-768Kbps2MbpsITUITUH.261ITUH.263v2ITUH.263v2384Kbps30/MCUMultipointControlUnitMCUMCU7*2411)ITU2)3)4)5)6)212MCUMCUMCUMCUMCUMCUMCUMCUIPIP31)2)NTIENetscape3)ITU-TH.3234)MCU5)N64kbpsN=1~12N2681012128kbps384kbps512kbps640kbps768kbps6)MCURJ4541/23NetMeetingNetMeetingMicrosoftPowerPointShowStation43MCUMCUMCUMCUMCUMCU51MCU1)2)3)4)2MCUMCU243MCUNTMCU41)2)3)ViewStationMP1)ViewStationMPPolycom(40/)Polycom1998200045%2)ViewStation(ITU)H.2635.5ITUH.263+PolycomViewStationPolycomViewStationViewStationWebWebWebPCPowerPoint()ViewStationPolycomViewStationMP768Kbps30/768kbps30fps(512kbpsViewStationH.3233)ViewStationMP64Kbps512Kbps(H.320),64Kbps768Kbps(H.323)RJ45H.320,H.323ITU-TH.261H.263H.263+352288pixels(FCIF)176144pixels(QCIF)JPEG70457624AnnexD4FCIF,JPEG30/2125.4~64.8mmf/1.8~2.7105845()902AcousticClarityTechnology2G.711,G.722,G.72870457624(JPEG)4FCIF(AnnexD)MicrosoftNetMeeting,PolycomShowStationIP,MicrosoftOffice97IntranetInternetViewStationMicrosoftPowerPointWeb410H.28110WebInternet/Intranet4)ViewStationH.320512KbpsH.323768KbpsH.261,H.263+,AnnexF,L,T,JH.221H.331G.728,G.722,G.711,AcousticPlusTM716NTSCPALRCAS-Mini-DIN/75Ω1VH.320FCIF352x288;QCIF176x144/4xFCIF/Annex-D704576NTSC704480PAL704576JPEG30fps@768Kbps(NTSCorPAL)()SS(PAL)S1/3ITCCD12;5.464.8mm;1.8to2.7;S-Y:VS1.0Vp-p(syncnegative)C:burst0.286Vp-p(NTSC);0.300Vp-p(PAL)±100;80,.3.3±25;50;2.510;1058±45±90100ms(AGC)12dB(ANS)-20dB36050Hz-7.0kHz3360AcousticPlusTM50Hz-7.0kHzG.72250Hz-7.0kHzG.72850Hz-3.4kHzG.71150Hz-3.4kHz360º3.5mm()RCAphono–left/rightstereomixdown/RCA3.5mmRJ-11/Internet/IntranetTCP/IP,DNS,WINS,SNMP,Bootp,RARP,(LAN)T.120ShowStationIPWebStationRJ-45WebSNMP-/-MicrosoftPowerpoint™Netmeeting™PCRJ-45()Intranet/InternetWebAnnex-D,JPEGWebViaInternetExplorerorNetscapeNavigator56kbps-768kbpsRJ-4590-260VAC;47-63Hz4003515%80%-40+7010%90%40dBASPL7lux300lux33x20x152.712PolycomViewStationSP1)ViewStationMPViewStationSPViewStationMPViewStationSPRCA/SRCA/SRCA/SISDN512Kbps128KbpsViewStationV.352)ViewStationMPViewStationSPViewStation.MPViewStationSP3)ViewStationMPViewStationSPViewStationMPViewStationSPViewStationMPViewStationSPViewStationMPV.35768KbpsV.35ViewStationSP128KbpsISDNISDNViewStationMPViewStationSPISDNViewStationMPViewStationSPEzeniaEncounter3000MCUEzeniaEzeniaOEMEneziaEncounterIP(MCS)EzeniaIPEncounterEncounter30001)Encounter3000NetServerEncounter3000NetServerITUH.323T.12064Encounter3000NetServer3264Encounter3000NetServer•••24•••Encounter3000NetServerEncounter3000Encounter3000•Encounter3000•eCMS(Encounter)eCMS•Encounter3000NetServer8064H.3232428T.120H.323IPH.323H.323H.225H.245Q.931G.711G.722G.728G.729G.723.1H.261H.263T.1202MbpsMicrosoftIENetscape2)Encounter3000IPEncounter3000windowsNTEncounter3000••LAN•••••LAN•H.323v1v2H.323•Encounter3000323H.323121000H.323500MicrosoftWindows4.0ServicePack5MicrosoftInternetInformationWebServer4.0PIII450MHzCPU128M10/100M3)Encounter3000eMCSEncounter3000eMCSEncounter3000EMCSEncounter3000EMCSWindowsNTEncounter3000Encounter3000eMCS•••Encounter3000eMCS•••/•MicrosoftAccess()MicrosoftSQL7.0eMCS:MicrosoftWindows4.0ServicePack5MicrosoftInternetInformationWebServer4.0PIII450MHzCPU128M10/100MMicrosoftIE4.01NetscapeNavigator4.6RADvisionMCU-323RADvisionMCU-323MCU-323MCU-323RADvisionH.323RADvisionWindowsNT1.•4442.•1524•MCUMCU•3.•MCU4.•64Kbps128Kbps1.5Mbps5.Web••••6.••7.LAN•10/100BaseT-IEEE802-3•RJ458.•128Kbps15•384Kbps9•768Kbps5•1.5Kbps3RS2329DDCEH.3232.0H.261H.263G.711ViewStationSP768KbpsISDN128Kbps$6316ViewStation.MP768KbpsISDN512Kbps(H.320)3256kbps4128kbps$18952ViewStation.FX2048KbpsISDN512Kbps(H.320)3512kbps4384kbps$23691Ezeniaencounter300016768Kbps$38490RADvision.3239384Kbps$27521Ezeniaencounter3000