| Model | KD-BC-4H |
| Power supply | AC110V-240V,50Hz,80W |
| Operating temperature | 0-40℃ |
| Size | (L×W×H)440mm×360mm×150mm |
| Weight | 6kg |
| Signal System | 1080/59.94p,1080/59.94i,2160/25p,1080/50p,1080/50i,2160/23.98p,1080/23.98p |
| Video input | HDMI×1,3G-SDI×4 |
| Video output | PGM output,HDMI×2,3G-SDI×2;PVW output,HDMI×1,3G-SDI×1 |
| Audio input | Stereo (L,R) IN RCA×5,MIC XLR×5 |
| Audio output | Stereo (L,R) OUT RCA×1,Balanced XLR OUT×2,MonitorФ3.5×1,Playback monitorФ3.5×1,The director calls MICФ3.5×2 |
| Other interfaces | RJ45×1,USB×2,TF×1,WIFI |
| Director newsletter | TALLY MINI XLR OUT×4,Director calls |
| Video switching | Hardware switch signal×4(1920×1080) |
| Audio mixing | Digital mixer×5,Analog mixer×5,Audio hardware delay device×1 |
| Record | TS-MPEG,MP4 |
| Live streaming | Rtmp |
| Delayed broadcast | Audio and Video hardware delay broadcasting system (Non Standard) |
| subtitle | Subtitle system,Virtual matting system (Non Standard) |
KD Portable Director and Recorder System Technical Parameters-KD-BC-4H
1. ☆Video: Input: 4 groups of 3G/HD-SDI input, 1 group of HDMI input, support 1080i50Hz, 1080P50Hz and other signal input; built-in high-definition subtitle machine input interface, the interface is HDMI or SDI; Output: 2 groups of 3G/HD -SDI and 2 sets of HDMI high-definition video output at the same time, including 1 set of PVW output and 1 set of PGM output;
2. ☆ Audio: Input: 5 groups of XLR balanced audio inputs, supporting LINE and MIC modes, and each with a 48v phantom power switch, 5 groups of RCA (R, L) stereo input, 5 groups of SDI, HDMI digital audio plus De-embedding input; output: 2 groups of XLR balanced audio output, 1 group of RCA (R, L) stereo output, 3.5mm audio monitor output;
3. ☆Hardware special effects console: eight-channel hardware high-definition mixed special effects console, built-in frame synchronizer, realizing 4:4:4 uncompressed full frame zero second hard cutting, special effects switcher provides T-shaped damping transition controller, also It can support single-key hard cutting and automatic switching, with a resolution of 1920×1080, providing hundreds of special special effects, pre-made portraits, fade in and out, and picture-in-picture, etc., built-in picture-in-picture position control;
4. ☆Monitoring system: 6 independent high-definition 1920×1080 displays, 2 9-inch screens and 4 4-inch screens. One 9-inch screen displays the PGM live window, and the other 9-inch screen displays the PVW preview window. 4 A 4-inch screen displays the input signals separately; provides a display selection button, with a 10-screen split display output, respectively displaying 8 input signals and 2 output signals;
11. Live broadcast and release transmission protocol: support FMS live broadcast and release, provide RTMP push and RTMP services, provide APP live broadcast setting system, and can remotely set the publishing address, push bit rate and resolution, etc.;
12. ☆Transmission and control: support standard 3G/HD-SDI input, interface BNC type, BNC interface with power supply and power supply protection, connect with camera control integrated machine, realize a 75Ω coaxial cable to control and transmit five signals , They are: camera full HD 3G/HD-SDI video signal + camera and XLR audio signal + camera power supply + camera PTZ control + guide signal TALLY, only one cable can complete all the signals of the camera and the guide host, All control, communication and power supply transmission have solved the wiring problem of mobile shooting to the maximum extent;
13. Built-in automatic director control unit, realize video automatic intelligent director control, semi-automatic control, manual control, three modes for users to switch freely, just press the record button, you can start recording and live broadcast, without any intervention in the middle ；
14. Scene switching strategy: Automatically switch between teacher close-up, teacher panoramic view, student close-up, student panoramic view, blackboard close-up and teaching computer screen intelligent switching and manual switching, and different switching strategies can be set according to needs (needs with smart camera Cooperate);