Intelligent conference network A/V center

Support 4.3 inch touch screen, 10 channels of central control interface, 8-channel audio input, 8-channel audio output, 4-channel video input, 2-channel video output, built-in 4-channel DANTE input, 4-channel DANTE output

25MHz crystal oscillator is used as the master clock of MCU, and 32.768kHz crystal oscillator is used for the RTC of CPU

32M byte 32-bit bus width SDRAM, 256M byte NAND Flash

8M byte serial Flash, 16K byte serial EEPROM

Support 100M Ethernet TCP/UDP/TTL control, 7-way RS232/RS485 control, 3-way infrared control, 1-way TTL

The panel has 29 status indicators

10 network ports

It supports wall panel control and WiFi tablet control, and adopts the global original tablet programming mode. The interface is clear and the functions are complete.


DSP parameters

*8x8 audio matrix,

8-way analog input, 8-way analog output, built-in 4-way DANTE input, 4-way DANTE output.

24bit fixed/floating point DSP 300MHz, 96K sampling frequency, 24bit AD/DA conversion.

*21 scenes can be saved, 12dB ／ 18dB ／ 24dB ／ 48dB slope is supported, and 180 is corresponding.

*It supports microphone and line input, with adjustable microphone input sensitivity and 48V phantom power supply.

*The input processor part includes high cut, low cut, parameter equalization, gain, noise gate, mute, phase, volume grouping adjustment and other processing functions.

*The output processing part includes processing functions such as parameter equalization, gain, mute, compression limiting, phase, delay, volume grouping and adjustment.

*The input 31 segments of PEQ are adjustable, and the output 10 segments of PEQ are adjustable. The gain (Gaina) level range is+- 18dB, and the Q value is 0.4-128. Each segment supports bypass.

*The gain, broadband and frequency of all channel parameter equalization can be continuously adjusted, and the type can be selected from three modes: parameter equalization, high and low pass filtering, and peak/low shelf/high shelf.

*All inputs and outputs can be routed and freely allocated. The name of each input and output channel can be modified. Each channel supports independent phase adjustment.

*Input and output gain range: - 60-12dB.

*All types of high and low cut and frequency divider can be selected: Butterworth, Linquerelli, Bessel slope..

*The noise threshold, compressor start time and recovery time of the input channel are continuously adjustable. The inflection point 0-30 is continuously adjustable, the starting level 0-21dB is continuously adjustable, the starting time 0-2895ms is continuously adjustable, and the release time 0-2895ms is continuously adjustable,

*The compression, limiting threshold, ratio, starting time and recovery time of the output channel are adjustable.

*The input and output are delayed, and the maximum time of delay is 40ms.

*Support any channel parameter copy function.

*It supports GPIO port control, network port and 232/485 management control.

*Support manual/automatic feedback suppression.

*Support automatic mixing and video tracking

4X2HDMI Video Matrix

Three core digital audio professional processor, one main CPU @ 360M 32-bit RISC processor and two DSP @ 360M.

Digital audio input supports optical fiber, coaxial, I2S input and output I2S@24bit Interface.

Built in high fidelity audio ADC/DAC, with signal to noise ratio greater than 96dB.

Support OTP and protect private intellectual property.

UART serial port communication is supported to facilitate the communication between the client system master and audio DSP. The baud rate of the serial port is 115200bps.

HDMI supports the following performance indicators:

The HDMI input/output version is HDMI V1.4 and is backward compatible and supports DVI mode.

HDMI pixel clock range: 25MHz - 34MHz

HDMI input/output resolution up to 4K* 2K@30Hz 。 It also supports 1080P, 1080I, 720P and 480P.

Support 12Bit color depth per primary color, FULL HD, FULL 3D, 4K/2K VIDEO

Support 4 in and 2 out, and output video in any cross matrix mode.

It supports HDCP and is compatible with HDCP 1.3.

The I2S signal output by HDMI audio separation is consistent with the audio and video signal source output by HDMI OUTPUTA port.

EDID reading is supported.