1.★The 6 SDI intelligent high-definition conference recording system adopts embedded + Android dual architecture design, does not accept server and PC architecture, ensures that the system is stable and reliable, and the height of the recording and broadcasting host does not exceed 1U. (The bidding needs to provide a physical picture of the internal structure of the host, stamped with the manufacturer's official seal).
2.The host supports independent operation of embedded Linux and Android dual systems, of which the Android system version is not lower than Android 11.
3.★The Android side supports the installation of third-party applications, such as WeChat, DingTalk, Tencent Meeting, etc., and can directly use the PGM screen of the recording system for live broadcast and video conference interaction.
4.In order to ensure the audio effect of video recording, reduce the environmental noise of the recording classroom, and ensure the normal heat dissipation of the host system, a fanless heat dissipation design is required.
5.Functions such as recording, streaming, on-demand, directing, interaction, storage, and audio and video encoding are integrated into one host and do not need to be used with an encoding box.
6.★It is required to support no less than 7 channels of 1080P HD video input interfaces: SDI ≥ 6 channels, HDMI ≥ 1 channel.
7.Support no less than 3 channels of 1080P60 video picture output at the same time, VGA ≥ 1 channel, HDMI ≥ 2 channels.
8.Audio interface: Support no less than 1 LINE in, 1 mic in and 2 LINE out, using 3pin Phoenix terminal interface.
9.★Support no less than 1 group of RS232 and 4 groups of RS485 interface, using RJ45 interface.
10.★Support no less than 4 USB interfaces: 1 USB 2.0≥, 1 USB OTG ≥, 2 USB 3.0≥.
11.★The host supports the function of recording and broadcasting the host by connecting the large touch screen to the large touch screen through USB.
12.It supports 1 Gigabit network interface and 1 Gigabit network interface.
13.The storage capacity of the hard disk of the recording and broadcasting host is ≥1T, and it supports expansion.
14.The recording and broadcasting system has the advantages of embedded low power consumption and environmental protection, and the power consumption of the whole machine does not exceed 30W under normal working conditions.
1.★There are two modes: local director and web remote director.
Local director: The guide can be directly operated on the touch guide screen of the recording and broadcasting host to ensure that the director has good real-time and smoothness, and the local director delay is less than 150ms.
Remote Director: Support the browser remote guide operation mode.
2.★Video H.264 encoding, audio AAC encoding, audio and video synchronous recording, and the recorded video file is in standard streaming MP4 format. The video encoding is adjustable 500Kbps~40Mbps, the audio channel, sampling rate, number of bits, and bit rate are adjustable, and the maximum support bit rate is 128K.
3.It supports dual director mode (2 PGM channels), which can manually direct 2 movie mode channels at the same time, record and push at the same time, and the 2 movie mode channels can be selected to switch between different screens, which is convenient for recording different live broadcast pictures and pushing them to different people to watch the live broadcast screen. (Screenshots of software functions and the manufacturer's official seal are required).
4.★It supports two recording modes: movie mode, power mode and resource mode. Movie mode and resource mode recording can work at the same time, and the same device can complete no less than 10 channels of 1080P video recording at the same time. (Screenshots of software functions and the manufacturer's official seal are required).
5.★It supports dual director mode (2 PGM channels), which can manually direct 2 movie mode channels at the same time, record and push at the same time, and the 2 movie mode channels can be selected to switch between different screens, which is convenient for recording different live broadcast pictures and pushing them to different people to watch the live broadcast screen.
6.It supports one-click start (recording, automatic director, live streaming and other functions), and provides manual, semi-automatic, and fully automatic pilot modes.
7. Support setting timed recording, which can be set in advance according to the class schedule and automatically recorded.
8. Support the addition and setting of titles, logos, subtitles, and intro and outros.
9. Support shutdown and restart operations in the system, and can set a scheduled restart.
10. Support network automatic synchronization system time, no need to set manually.
11. The system must support RTMP and TS stream push functions, and support dual PGM high stream and low stream push at the same time, and no less than 4 RTMP streams at the same time to meet the needs of users with different network bandwidths, and realize the push docking with third-party platforms and systems (screenshots of software functions and the manufacturer's official seal must be provided)
12.★PGM and PGM2 screen support picture-in-picture, picture-over-picture, 1/2/3/4/6 split-screen mode display and recording, provide more than 9 layout modes, and support custom layout mode.
13.Provide more than 12 kinds of switching effects, including erasing, overwriting, fade in and fade out and other mainstream switching effects.
14.★The recorded video file format supports standard MP4 and can be customized for 30-240 minutes. (Screenshots of software functions and the manufacturer's official seal are required)
15.Users can view the total capacity of recorded videos on the host at any time, so that users can clearly understand the hard disk usage of the host.
16.Support to select loop overwrite and stop recording when the hard disk recording is full.
17.It supports inserting a portable hard disk or USB flash drive for recording.
18.Users can view the recorded video through the recording host at any time, and can play it directly in the recording host to view the recording effect, and can use a portable disk or hard disk copy.
19.It supports FTP remote automatic upload of video files, automatically uploads video files to the FTP server after recording stops, and supports resumable upload.
20.★It supports the import and export of recording and broadcasting host parameter configurations, which is convenient for users to maintain in a unified manner and quickly upgrade and debug.
21.The main screen of the director displays the volume in real time and presents it in the form of an audio progress bar, which is convenient for the teacher to know the recording status in real time.
22.Provide the copyright file of the recording and broadcasting system software, and stamp the manufacturer's official seal.
：Building 3, Baizhong Creative Park, No. 240 Shilian Road, Panyu District, Guangzhou,Guangdong，China
：+86 13928186280（Same WeChat/Whatsapp account）
：+86 20-34702140 
