Auxiliary Content Handling Over Digital Communication Systems

A system, comprising:

• a broadcaster arranged to deliver:
• one or more primary content items;
• and
• one or more auxiliary items each comprising a file containing plural control information items;
• and
• a) an auxiliary content item, or
• b) a reference to an auxiliary content item, corresponding to each control information item.

A method comprising:

• receiving:
• one or more primary content items, and
• one or more auxiliary items each comprising a file containing plural control information items, and a) an auxiliary content item, or b) a reference to an auxiliary content item, corresponding to each control information item;
• and
• using the control items to render content from corresponding auxiliary content items along with primary content from the primary content items.

A system, comprising:

• a receiver arranged, in response to receiving:
• one or more primary content items, and
• one or more auxiliary items each comprising a file containing plural control information items, and a) an auxiliary content item, or b) a reference to an auxiliary content item, corresponding to each control information item,
• to use the control items to render content from corresponding auxiliary content items along with primary content from the primary content items.

A method comprising:

• delivering, by a sender:
• one or more primary content items;
• and
• one or more auxiliary items each comprising a file containing plural control information items;
• and
• a) an auxiliary content item, or
• b) a reference to an auxiliary content item,
• corresponding to each control information item;
• receiving, by a receiver, the one or more primary content items, and the one or more auxiliary items;
• and
• using, by the receiver the control items to render content from corresponding auxiliary content items along with primary content from the primary content items.

A computer program product, embodied in a computer-readable medium, for content delivery, comprising:

• computer code for delivering:
• one or more primary content items;
• and
• one or more auxiliary items each comprising a file containing plural control information items;
• and
• a) an auxiliary content item, or
• b) a reference to an auxiliary content item,
• corresponding to each control information item.

A computer program product, embodied in a computer-readable medium, for handling content, comprises

• computer code for, in response to receiving:
• one or more primary content items, and
• one or more auxiliary items each comprising a file containing plural control information items, and a) an auxiliary content item, or b) a reference to an auxiliary content item, corresponding to each control information item,
• using the control items to render content from corresponding auxiliary content items along with primary content from the primary content items.