Patent ID: 7835626

Claim:
A reproducing device for playing back data from a recording medium, comprising: play back circuits for reading first stream data from a recording medium, where the first stream data includes first video data, first audio data, and first subtitle data; download data storage circuits for downloading and storing second stream data, via a network, where the second stream data includes second video data, second audio data and second subtitle data; selection circuits for conducting plural selections including a first selection to select between said first video data and said second video data; a second selection to select between said first audio data and said second audio data, and a third selection to select between said first subtitle data and said second subtitle data, the first, second and third selections are able to perform selection independently from each other; output circuits for outputting the video data, the audio data and the subtitle data selected by the selection circuits; wherein the first stream data and the second stream data are reproduced synchronously; and, wherein the video data and the subtitle data from the selection circuits are superimposed together with each other and outputted.