Intelligent control system includes video system, audio system and others, which of the following does not belong to the video system. ( )

HD terminal video output layout mode can be set to ( ) display mode.

Forward error correction FEC, when both parties establish a call and detect more than 0.1% of the media stream loss within 10s, the super error correction function is enabled , super loan correction function, will be a part of the call bandwidth, used to transmit anti-packet loss of redundant code stream. ( )