Patent ID: 8737812
Filing Date: 2014-05-27
Classification: H04N

Abstract:
1. A content playback apparatus comprising: a playback module configured to play back a content comprising components selected from moving picture data, image data, sound data and text data, thereby to produce video data and audio data, wherein the playback module is configured to play back the components based on a script which describes timing of playing back the components; a decision module configured to determine, based on a state of the content playback apparatus, whether the components of the content can be viewed and listened to, wherein the decision module is configured to determine whether a component of the content has been viewed or listened to, while the component is being played back based on the script; and a management module configured to manage video-audio management data comprising data items corresponding to the components and based on a decision result of the decision module, each data item representing whether a corresponding one of the components has been viewed or listened to.