VC4MHTSDB Specification
|
Video Standards & Protocols |
H.264, H.263, H.263+ , H.261 |
H.239 |
People Video Resolution |
4CIF, 4SIF, 2CIF,CIF, SIF, QCIF, SQCIF |
Video Frame Rate PAL( 25 fps)/NTSC( 30 fps) |
50/60 fields progressive scanning |
VideoIntensifier |
ViewProcessing |
Content Video Resolution |
SXGA (1280Ć1024), XGA (1024Ć768), SVGA(800Ć600), VGA (640Ć480) |
Audio Standards & Protocols |
AAC-LD, G.728, G.722, G.711 |
Acoustic Echo Cancellation (AEC) |
Acoustic Noise Suppression (ANS) 12 dB |
Automatic Gain Control (AGC) ±6 dB |
VoiceClear |
AudioEnhancer |
Other Standards |
H.221 communications |
H.224/H.281 far-end camera control |
H.225, H.245, H.241, |
H.239 dual stream |
H.231 in multipoint calls |
H.243 chair control |
H.233, H.234, H.235, H.242, H.283 |
Network |
Communication standards: ITU-T H.323/H.320 |
Network standards: TCP/IP,FTP, DHCP, Telnet, HTTP, PPPoE, RTP, RTCP |
User Interface |
Languages: English, French, Spanish, Russian, Arabic , Chinese |
Control mode: Remote control, Telnet, Web |
Security |
H.235 signaling and media stream encryption |
AES/DES media stream encryption |
Conference access password |
Conference control password |
Administrator password |
Digital Caption |
Active caption |
16 optional colors |
Rolling captions in horizontal and vertical directions |
Caption rolling mode setting |
Site name display and position shift |
External character generator |
Special Features |
H.239 dual stream |
Picture-in-picture: 1/16 picture size, optional position |
Split output. Bi-screen and tri-screen display |
SiteCall |
Group function |
Time display |
Call record |
SNP traversal between the public network and private network. |
Intelligent rate control (IRC) |
Super error concealment (SEC) |
Network address book |
Web monitor |
Maintenance Management |
Local and remote loopback |
Test signals: providing test sound and standard test stripes |
Volume input indication |
IP network test |
Telnet: command line mode; providing user-level and administrator-level login accounts |
Local and remote software upgrades |
WebServer, Web maintenance management |
Event log record |
Importing and exporting of the configuration and directory |
Default settings restoration |
Approval and Compliance |
CEćRoHS |
Electrical |
Working voltage: 100ā240V AC |
Working frequency: 50ā60Hz |
Power consumption: <36W |
Environmental Specification |
Operating Temperature: 0-40ĀŗC |
Operating Humidity: 10-80% |
Non-Operating Temperature: -40Āŗ-85Āŗ C |
Non-Operating Humidity (Non-condensing): 10-95% |
Peripheral noise: < 46 dBA SPL |
Lowest illuminance: 7 lux |
Recommended illuminance: > 300 lux |
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