Patent ID: 9485467
Filing Date: 2016-11-01
CPC Classification: H04N

Claim Text:
1. An information processing system in which a content distribution server and a plurality of information processing devices are connected via a network, wherein a first of the information processing devices comprises: a first communication unit configured to download content data from the content distribution server over the network; a first storage unit configured to store the content data downloaded from the content distribution server; a first processing unit configured to play back the content data stored in the first storage unit; a first detection unit configured to detect a status of downloading the content data, where the status of downloading is an indication of a fraction of the content data that has been downloaded by the first information processing device from the content distribution server; and a first notification unit configured to communicate the detected status of downloading to a second of the information processing devices over the network via the first communication unit, wherein the second information processing device operates as a host device, which comprises: a second communication unit configured to download the content data from the content distribution server over the network; a second storage unit configured to store the content data downloaded from the content distribution server; a second processing unit configured to play back the content data stored in the second storage unit; a second detection unit configured to detect a status of downloading the content data, where the status of downloading is an indication of a fraction of the content data that has been downloaded by the second information processing device from the content distribution server; an acquisition unit configured to acquire the status of downloading communicated from the first information processing device; and a control unit configured to synchronize the play back of the content data in the first information processing device with the play back of the content data in the second information processing device based upon a comparison of the status of downloading of the first information processing device and the status of downloading of the second information processing device, which is the host device.