DSP9903/ DSP9903A AV All in One Terminal

Name: DSP9903/ DSP9903A AV All in One Terminal
Brand: Guangzhou DSPPA Audio Co., Ltd.

Features

● Built-in software of A/V All in One terminal V1.0;
● Embedded design, industrial embedded CPU, Linux operation system, top-rated codec chip, low power consumption,
● high efficiency, safe and stable;
● Support A/V broadcast, 1080P HD output, high quality coding and deconding with low bandwidth;
● Support A/V live broadcast, play on demmand and timing playback by programming;
● Support recording, three modes: : single screen mode, film mode and three screen mode;
● 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 omni-directional 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: wirh built-in computer.

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Introduction
Specification

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
LINE IN	Input dynamic range	20dB
Pickup MIC input	Input sensitivity	300±20mV
Pickup MIC input	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		19201080@60 19201080@30
HDMI output		1920*1080@60
SDI input		19201080@60 19201080@30
VGA output		1920*1080@60
Dimension (L×W×H mm)		483×88×430
Net weight		8.45kg