DSP9903/DSP9903A is a highly integrated terminal that combines transmission and control of audio and video and recording. It has super strong video coding and decoding capacity which could satisfy need of A/V broadcast, interaction, recording and intelligent control. Each classroom could be recording classroom. This is an ideal choice for intelligent schools.
Features:
● Built-in software of A/V All in One terminal V1.0;
● Embedded design, industrial embedded CPU, Linux operating system, top-rated codec chip, low power consumption, high efficiency, safe and stable;
● Support A/V broadcast, 1080P HD output, high quality coding and decoding with low bandwidth;
● Support A/V live broadcast, play on demand and timing playback by programming;
● Support recording, three modes: single screen mode, film mode and three screen modes;
● Support video matrix, 3 channel HDMI video signal input, 2 channel SDI video signal input, 2 channel HDMI video signal output, 1-channel VGA video signal output;
● Support audio matrix, 2 channel line input, 2 channel omnidirectional microphone input, 2-channel line output;
● Support 2.4G wireless microphone, most advanced digital wireless audio technique adopted, high reduction degree with clear sound, low noise, super sound pickup effect;
● Built-in 2*30W high fidelity digital amplifier, low power consumption;
● Support intelligent control, including the control of multimedia devices (computers, high-speed scanners and projectors) and environmental equipment (light, air conditioning and curtains);
● DSP9903: no built-in computer, DSP9903A: with built-in computer.
Item | Parameter | |
LINE IN | Input sensitivity | 300±20mV |
Input dynamic range | 20dB | |
Pickup MIC input | Input sensitivity | 300±20mV |
Input dynamic range | 20dB | |
LINE OUT | Output level | 1000±50mV |
Frequency response | 20Hz~20KHz（±0.5dB） | |
THD | ≤0.05% | |
SNR | 77 dB | |
Stereo Amplifier output | Output channel | L/R Channel |
Output rated power | L=40W/4Ω，R=40W/4Ω， | |
Output frequency response | 20Hz~20KHz（±2dB） | |
Output THD | ≤0.5% | |
Network program playback | Output sensitivity | 250±20mV |
HDMI input | 1920*1080@60 1920*1080@30 | |
HDMI output | 1920*1080@60 | |
SDI input | 1920*1080@60 1920*1080@30 | |
VGA output | 1920*1080@60 | |
Dimension (L×W×H mm) | 483×88×430 | |
Net weight | 8.45kg | |
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