Digital Hand-in-Hand Conference System DH-8500
In line with IEC60914, GBT15381-94 international standards
Using digital technology as the core, built-in high performance CPU, support discussion and video tracking functions
Audio signal is processed by 32bit high-speed floating point DSP, with a bandwidth of 20Hz~20KHz and perfect clear sound quality
High performance switching power supply, long distance transmission will not have any impact on sound quality
Anti - jamming circuit design, eliminate all interference of mobile phone signal
With 2.8 inch LCD screen, independent key operation
Support USB recording, high fidelity WAV format output
Four microphone connection, each support 30 units, can be connected to 120 units, 12 chairman units
Support cascading, convenient for multiple systems to use at the same time, common management
With S terminal and 5P terminal interface, connect to SD or HD camera, support SONY VISCA, EVI HD, PELCO P/D, BRC300 communication protocol
Built-in 6-in-2-out (RCA interface) video player, up to 6 SD cameras can be connected
With video switching RS-232 communication interface, can connect to the HD video switcher
With an alarm signal input interface, when the public broadcast alarm system is started, the meeting can be automatically suspended and the alarm information can be sent to the participating units
With central control code RS-232 interface, can be connected to the central control system
Multichannel audio input/output interface, can be connected to amplify or recording equipment
Host and computer can connect and communicate through TCP/IP network or USB local way, and use PC software to set up the system. Can also do not need a computer directly on the host system Settings, support online update code
With a variety of meeting modes: FIFO (FIFO), LIFO (LIFO), FREE (full open mode), Apply (application mode), C-only (chair mode)
You can set the number of speeches, automatic closing, limited time closing, voice control speech and other functions
It can be installed on 19-inch standard cabinet. Easy to store and custody The host power supply AC110V - 220 - v / 50 hz
Frequency response of 20Hz-20kHz
Signal-to-noise ratio > 96dBA
Total harmonic distortion < 0.05%
Recording interface USB interface
Microphone unit interface round head DIN-8 socket interface X4
Stage connector round head DIN-8 socket interface X2
Central control connection port 232 serial port X1
Video switching communication interface 232 serial port X1
Camera control connector S terminal 5P terminal
Computer interface USB interface X1 RJ45 network port X1
Video switching interface RCA (Lotus socket) 6x2
Audio input RCA (Lotus socket) X2 6.3mm socket X1 (alarm audio)
Audio output RCA (Lotus socket) X2 6.3mm socket X1
XLR Carnon socket X1
External dimension (L×W×H) 483×323×90mm
Color gray black
Installation method 19 inch standard cabinet