Image Controlling Method, Device, and System for Composed-Image Video Conference

An image controlling device for a composed-image video conference, wherein the device comprises:

• an audio receiving unit configured to receive audio data of sites;
• a voice feature value obtaining unit configured to obtain, according to the audio data of each site and in real time, a voice feature value that is within a first specified period and of a corresponding site, wherein the voice feature value is used to represent an activation state of the site;
• a site selecting unit configured to select a specified site from the multiple sites according to the activation state of each site;
• and
• a sub-image updating unit configured to fill a picture of the specified site into a sub-image of a composed image to update the composed image in real time.

An image controlling system for a composed-image video conference, wherein the system comprises an image controlling device and one or more site terminals, wherein the image controlling device is configured to:

• receive audio data of sites;
• obtain, according to the audio data of each site and in real time, a voice feature value that is within a first specified period and of a corresponding site, wherein the voice feature value is used to represent an activation state of the site;
• select a specified site from the sites according to an activation state of each site;
• and
• fill a picture of the specified site into a sub-image of a composed image to update the composed image in real time, wherein the site terminals are configured to display the composed image that is generated under control of the image controlling device.