Patent ID: 8305379
Filing Date: 2012-11-06
Classification: G11B,Y10S

Abstract:
1. A system for reproducing an audio/video data and an enhanced content data associated with the audio/video data, comprising: an enhanced engine, the enhanced engine comprises, a network manager for downloading enhanced content data from a content server connected to a network, an enhanced buffer for storing the enhanced content data received from the content server or recorded on a recording medium different from the enhanced buffer, wherein the enhanced content data includes a multimedia network graphic (MNG) file in chunk data format, said MNG file comprising a header portion including a frame information for restricting a frame size and a frame rate, an end portion indicating the end of the MNG file, and a PNG (Portable Network Graphics) file positioned between said header portion and said end portion, and said PNG file including an image header, an actual image data and an image trailer, the actual image data being associated with the audio/video data, the image header including a display information associated with a width and height of display screen, and the image trailer indicating the end of the PNG file, an element decoder for decoding the enhanced content data, a navigation manager, coupled to the network manager, the enhanced buffer and the enhanced decoder, to control the reproduction of the enhanced content data, and an audio/video renderer for outputting audio/video signals; and a playback engine, connected to the enhanced engine, to playback the audio/video data recorded in the recording medium, wherein the audio/video renderer outputs the audio/video data recorded in the recording medium and the enhanced content data received from the content server or recorded in the recording medium.