Patent ID: 8238716
Filing Date: 2012-08-07
Classification: H04N

Abstract:
1. A reproducing device for playing back data from a recording medium, comprising: a plurality of playback circuits, each configured to read a first stream data from a recording medium, the first stream data including a plurality of fixed-length packets of first video data, of first audio data, and of first graphics data, each fixed-length packet having a timestamp indicating a transmit timing in units of the fixed-length packet; a plurality of download data storage circuits, each configured to download a second stream data via a network, and to store the second stream data, the second stream data including a plurality of fixed-length packets of second video data, of second audio data and of second graphics data, each fixed-length packet having the timestamp indicating a transmit timing in units of the fixed-length packet; a first timing adjustment circuit configured to adjust a transmit timing of the first stream data according to the timestamp; a second timing adjustment circuit configured to adjust a transmit timing of the second stream data according to the timestamp; a plurality of selection circuits configured to conduct a plurality of selections, including: a plurality of output circuits configured to output video data, audio data and graphics data selected by the plurality of selection circuits; wherein the first stream data and the second stream data are reproduced synchronously; and wherein video data and graphics data from the plurality of selection circuits are superimposed together and outputted.