I.Overview
According to the requirements of events live broadcast , LISTEN sports events broadcast system, On site configure the camera, with interview/edit/record for webcast .The device supports single webcast channel network live collection, also supports multi-channel signal acquisition webcast.
II.Working principle
Multiple cameras capture the live video signals , then transmit to the editing record webcast machine through the video cable. Then the machine will switch and edit the acquisited signal ,then publishing on Internet .It directly push the site signal to the external network media server to realize the network publishing .
Editing recorded webcast machine trans-coding the local collected signal .And save in local multiplex , web publishing, multiple scenes can be switched in real time , to ensure real-time on-site conference activities .
III.System topology
IV.Main Application
i:Overlay display scores:
Cooperate with stadium game scoring software, it can display the real-time scoring in the game overlay on the currently playing video files.
ii:Overlay display player:
Cooperate with basketball technology statistics software, players for shot, shooting, assists, fouls and other detailed data can be superimposed displayed on the currently playing video files.
iii:HD slow-motion replay:
Cooperate with LED Video processors, collect the exciting race moment , then playback.
V.Main functions
Scores and timing information for title overlays:
I:Together with the stadiums game scoring system, it automatically display real-time scores and timing information .
II:Together with the game technical statistics system, it automatically displays detailed statistics for players.
III:Provide text edit window, it can make text caption information in real time, and save and preview the text .
IV:Supports static text, such as titles, logo,angle, subtitle, can set display position in full screen .
V:Supported the number of text scrolling , scroll speed, scroll interval timing, scrolling text font, size,brightness,colors, scrolling background.
VI:Support English and Chinese text display .
VII:Support picture overlay display, provides a wide range optional of icon template, and image processing tools.
VIII:Support text adaptive screen size display correctly ,let text and graphical information display in overlay based on LED and LCD display ,which can reduce text and image distortion.
HD slow-motion replay:
I:Synchronous capture multiple channel video signals, real time video for continuous recording.
II:Using the tab keys submitted with in point and out point , it can support slow motion and instant replay.
III:Using color bar code playback List, it can easily to separate columns and section, play , game period and type of event.
IV:Playback button can support variable speed browsing from multiple camera angles.
V:Quickly automatically generated real-time highlights from the main list ,and non-destructive video output (includes a list of edits) to a non-linear editing.
VI:Provide the highest quality HD and SD signals, SDI, component, Y/C and composite, SD and 1080I, 720P, 4:3 and 16:9 of SD .
VII:Supports NTSC and PAL system.
VIII:Two output modes for optional, 1 output mode, operator can send a playback cut signal, as one streaming video from multiple cameras to switch; 3-channels output mode, you can control the playback speed and switching feedback 3 output for broadcast.
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