Method for constructing a file format and apparatus for processing a digital broadcasting signal including a file having the file format and method thereof

A method for processing a digital broadcasting signal, comprising:

• receiving and storing a digital broadcasting signal including at least one file having a multimedia application format (MAF) file format constructed to include a first box indicating a type or version of a corresponding file, a second box including at least one track and describing presentation of a scene including a corresponding track, and a third box storing specific data designated by the corresponding track in the second box;
• reading out a desired file from the stored files and decoding and extracting media data in the corresponding file;
• generating specific data by decoding depending on properties of the extracted media data;
• and
• processing and outputting the generated specific data.

A method for processing a digital broadcasting signal, comprising:

• receiving and storing a digital broadcasting signal including at least one file having a multimedia application format (MAF) file format constructed to include a first box indicating a type or version of a corresponding file, a second box including a plurality of tracks and describing presentation of a scene including each track, a third box storing a plurality of data objects designated by each track in the second box, and a fourth box including meta data of each data object stored in the third box;
• requesting a specific data object in the stored files with reference to the meta data in the fourth box;
• generating specific data by receiving the specific data object according to the request;
• and
• decoding and outputting the generated specific data.

A digital broadcasting receiver comprising:

• a storage medium receiving and storing a digital broadcasting signal including at least one file having a multimedia application format (MAF) file format constructed to include a first box indicating a type or version of a corresponding file, a second box including at least one track and describing presentation of a scene including a corresponding track, and a third box storing specific data designated by the corresponding track in the second box;
• a first decoder reading out a corresponding file from the storage medium and decoding and extracting a part corresponding to media data;
• a second decoder generating specific data by decoding depending on a type of the corresponding file;
• and
• a processor processing the data generated by the second decoder depending on a type of the corresponding file.

A digital broadcasting receiver comprising:

• a storage medium receiving and storing a digital broadcasting signal including at least one file having a multimedia application format (MAF) file format constructed to include a first box indicating a type of a corresponding file, a second box including a plurality of tracks, a third box storing a plurality of data objects designated by each track in the second box, and a fourth box including data of each data object stored in the third box, and outputting track data of a data object which is requested;
• a first decoder requesting a specific data object with reference to the fourth box, receiving and decoding the data object output from the storage medium in accordance with the request, and extracting only a part corresponding to media data;
• and
• a second decoder decoding the data depending on the type of the corresponding file.