Figure 13 Special effects selection
5.2.5 Switch
S700 recording and broadcasting host in manual guidance and automatic guided
mode are supported manually click the touch resource channel for PGM live channel
image switching. Automatic boot mode, the user can not do any operation, recording and
recording the entire host automatically switch. Manual switch to switch to automatic
navigation, the recording and broadcasting host will default to the teacher close-up
channel to switch to PGM. In the special effects button below the default display automatic
and manual guide switch button, the user click the button to guide the mode switch.
Recording and tracking external tracking equipment (tracking camera or tracking
host), tracking equipment for classroom scene behavior of the image analysis, detect the
signal sent after the command code to the recording, recording and recording after the
corresponding channel switch. The current strategy is to track the device to send the start
command code and the end of the command code, such as students standing up to
answer the question of this action, the need to send students to stand up to the beginning
of the action, the action strategy is to record the manual command code to switch the
corresponding channel; And students sit down and record the student received the
command code, the corresponding automatic tracking menu SDI-4 channel command
code in the alarm appears, correspond to the query strategy inside the switch strategy
table, according to the table to switch the strategy. When the student sat down, the
recording of the student's standing command code, the corresponding automatic tracking
menu SDI-4 channel command code in the alarm disappeared, PGM channel image
returned to the student before the start of a previous image (teacher close-up).
Action strategy and status strategy is different, the action strategy is hard cut, the
code to switch; state strategy is in accordance with the switch after the policy table to
switch, the policy table can be customized to switch the type of segmentation, effects and
so on. According to the different tracking equipment selection of different switching
strategies, under normal circumstances, recording and recording external tracking host
need to select the action strategy, external binocular tracking camera needs to select the