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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