programe control room for live sports matches

This is the place which all the production of sports match conducted. the main thing that happen here is processing of video and audio from different place of the stadium.graphics are mixed to this video for more understanding for eg- if we are doing a cricket match live with the help of  sports camera we can get cricket game visual,with the help of mic we get the audio of calumniators,audience sounds...these audio video,score as a graphics are mixed together with the help of  visual mixers.. final video of  that contain video,audio,graphics are broadcast ed using satellite teleport....