Best Virtual Classroom Suppliers – KD-BC-8L Factory Direct Sales Of High Quality And Durable 17.3-Inch Portable Director And Recorder – Kind Network

1 – 4 Pieces

$2,396.00

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5 – 49 Pieces

$1,932.00

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>=50 Pieces

$1,546.00

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Product specification sheet

Product description

KD Portable Director and Recorder System Technical Parameters-KD-BC-8L

1. ☆Video input: 8 groups of 3G/HD-SDI input, 2 groups of HDMI input, support 1080i50Hz, and other signal input; built-in HD subtitle machine input interface, the interface is HDMI or SDI; output: 2 Groups of 3G/HD-SDI and 2 groups of HDMI high-definition video output at the same time, including 1 group of PVW output and 1 group 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: with 10-screen high-definition split display output, respectively displaying 8 input signals and 2 output signals;

5. ☆Internal call system: Built-in 8-channel hardware guide call system and 8-channel guide prompt system TALLY, providing 8 groups of call selection buttons to realize individual calls, all calls and mute for each channel;

6. ☆Audio processing: Built-in digital mixer, analog mixer and audio delayer, audio embedding and de-embedding, realizing the mixing of digital audio and analog audio, 5 sets of SDI, HDMI digital plus de-embedding audio, 5 Set of XLR professional microphones or balanced audio, with 5 sets of 48V phantom power and 5 sets of RCA (R, L) stereo audio hardware mixing console, the mixer with speech amplifier and audio processing, 7 sets of volume adjustment faders are controlled separately Volume of digital audio, analog audio and main output audio, 2 sets of XLR balanced output, 1 set of RCA (R, L) stereo output, 2 sets of HDMI digital audio embedded output and 2 sets of SDI digital audio embedded output, built-in audio hardware Delay system, through the hardware knob to adjust the audio speed, to achieve precise synchronization of audio and video;

7. Camera PTZ control system: Built-in three-dimensional joystick, respectively control the push, pull, tilt and zoom of each camera, provide 9 groups of shortcut keys preset button and 2 groups of preset position setting buttons, each camera position can realize 100 presets Provides hardware rotary encoder control to select the camera address, provides camera manual and automatic precise control system, can set the camera white balance, focus, aperture, color, brightness, etc., to meet the needs of indoor and outdoor shooting;

8. ☆Recording system: Built-in 4:2:0 encoding recording system to achieve constant frame and constant code recording. The hardware recording system provides Micro SD/TF Card, USB and other storage interfaces, and supports TF card, U disk and mobile hard disk recording and recording. The file format is MP4, which can be directly imported into the non-linear editing system;

9. Built-in Wifi: WLAN main specifications, PHY: support 2.4 band and 5G band 2×2; MAC: support IEEE 802.11 d/e/h/i/k/w; support 20M/40M/80M coexistence; support IEEE 802.11 b/ g/n/ac; transmit power: 11b@16dBm; 11g@14dBm; 11n@13dBm; MCS9@13dBm; 2.4G receiving sensitivity (40MHz): -80dBm@Rate MCS 0; -68dBm@Rate MCS 5; -64dBm@ MCS7, 5G receiving sensitivity (40MHz): -80dBm@Rate MCS 0; -68dBm@Rate MCS 5; -64dBm@MCS7;

10. Built-in audio and video encoding system: video encoding H.264, audio encoding AAC, encoding delay ≤67ms, video encoding rate 256Kbps ~ 25Mbps adjustable, audio encoding rate 32Kbps ~ 512Kbps, AAC encoding 64Kbps;

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)

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