Abstract: Technologies relating to system and method of real-time video overlaying or superimposing display from multiple mutually synchronous cameras are disclosed. An example method of real-time video overlaying includes the steps of: synchronizing frame rates of a depth data, a face meta data, and a video data of a first camera video output captured by a first camera; determining a first depth between a user face and the first camera; using a cutoff depth to determine a user body contour; generating a binary mask of the user body contour based on the first depth and the cutoff depth; smoothing an edge of the binary mask; merging the binary mask with the first camera video output and generating a merged first camera video output; and overlaying the merged first camera video output onto a second camera video output.

Abstract: Disclosed techniques include audio and visual stream rendering modification based on device rotation metric. One or more media streams are received from a server. The one or more media streams are targeted for display on a handheld media stream playback device. An orientation of the handheld device is determined during playback of at least one of the one or more media streams on the handheld device. A change in orientation of the handheld device is detected. The change occurs during playback of the at least one of the one or more media streams. Based on detecting the change in orientation, a rotation angle of the handheld device is calculated. Based on the rotation angle, the playback of at least one of the one or more media streams is changed on the handheld device.

Abstract: Disclosed techniques include video performance rendering modification based on device rotation metric. A media stream is received from a server. The media stream is targeted for display on a handheld media stream playback device. An orientation of the handheld device is determined during playback of the media stream on the handheld device. A change in the orientation of the handheld device is detected. The change occurs during playback of the media stream. Based on the detecting the change of orientation, a rotation angle of the handheld device is calculated. Based on the rotation angle, the playback speed of the media stream on the handheld device is changed. The changing the playback speed changes direction of playback rendering based on the rotation angle of the handheld device. The changing direction provides forward playback by rotating the handheld device in a clockwise direction from an initial orientation.