DATA PROCESSING DEVICE

摘要

A data processor ( 10 ) according to the present invention includes: a video signal receiving section ( 100 ) for receiving a video signal representing video and aspect information to control aspect ratio of the video; an audio signal receiving section ( 102 ) for receiving an audio signal representing audio; a detecting section ( 104 ) for detecting the aspect information from the video signal; a stream generating section ( 101 ) for generating encoded data by encoding the video and audio signals by a predetermined encoding technique and also generating an encoded stream as a set of the encoded data; management information generating section ( 106 ) for generating management information to manage the encoded stream being processed, the management information including the aspect information for each set of the encoded data; and a writing section ( 120 ) for storing the management information and the encoded stream as at least one file on a storage medium.