Multi camera production

In multi camera production the cameras used are the main inputs for the vision mixer and normally about 4 cameras are used at least ,other possible inputs include a VTR,DVD player or HDDR.The output from the vision mixer is the line/program output.For the audio mixer the main inputs are mics and about 8 mics are used, normally 5 for the talent(actors,presenters etc) and 3 for the audience .Other possible inputs into the audio mixer could be a VTR,DVD,CD,HDDR or a computer.Again the output from the audio mixer is the line/program output.