Patent ID: 7336681

Claim:
A method of forming an SDTI content package file from an SDTI signal, the method comprising the steps of: receiving an SDTI signal, the SDTI signal including an SDTI Content Package having a System Item and one or more of a Picture Item, an Audio Item and an Auxiliary Item, the System, and the one or more of the Picture, Audio and Auxiliary Items each comprising a start code, a word count indicating the number of bytes of data of the Item, one or more Element data blocks, and an Item header, preceding element data block, indicating the number of element data blocks in the item, and an end code; reading the SDTI signal into a buffer; detecting the start code and the end code for each of the System Item and the one or more of the Picture Item, the Audio Item and the Auxiliary Item; removing the detected start and end codes identifying the Item type; inserting a Label in place of the start code, the label having a predetermined number of bytes, at least one byte identifying the Item, and providing in the System item metadata relating to the one or more of the Picture, Audio and Auxiliary Items in the content package.