Broadcast signal transmitting apparatus, broadcast signal receiving apparatus, method for transmitting broadcast signal, and method for receiving broadcast signal

A method for receiving service guide fragments, the method comprising:

• receiving service guide fragments,
• the service guide fragments including a content fragment describing content data in broadcast services,
• the content fragment including a content element, the content element including an identification attribute of the content fragment, and a version attribute of the content fragment,
• the content fragment further including a PrivateExt element,
• the PrivateExt element including a component element describing components of the content data,
• the component element including at least one of an audio component element, a video component element, or a closed caption component element,
• the audio component element describing a role of an audio component,
• the video component element describing a role of a video component, and
• the closed caption component element describing a role of a closed caption component;
• displaying service guide information on a screen based on the service guide fragments, wherein the service guide information includes timeline information, channel information for the broadcast services, and program information for the content data.

A method for transmitting service guide fragments, the method comprising:

• generating service guide fragments,
• the service guide fragments including a content fragment describing content data in the broadcast services,
• the content fragment including a content element, the content element including an identification attribute of the content fragment, and a version attribute of the content fragment,
• the content fragment further including a PrivateExt element,
• the PrivateExt element including a component element describing components of the content data,
• the component element including at least one of an audio component element, a video component element, or a closed caption component element,
• the audio component element describing a role of an audio component,
• the video component element describing a role of a video component, and
• the closed caption component element describing a role of a closed caption component;
• and
• transmitting the service guide fragments used to announce service guide information, wherein the service guide information includes timeline information, channel information for the broadcast services, and program information for the content data.

An apparatus for transmitting service guide fragments, the apparatus comprising:

• a generation unit to generate service guide fragments,
• the service guide fragments including a content fragment describing content data in the broadcast services,
• the content fragment including a content element, the content element including an identification attribute of the content fragment, and a version attribute of the content fragment,
• the content fragment further including a PrivateExt element,
• the PrivateExt element including a component element describing components of the content data,
• the component element including at least one of an audio component element, a video component element, or a closed caption component element,
• the audio component element describing a role of an audio component,
• the video component element describing a role of a video component, and
• the closed caption component element describing a role of a closed caption component;
• and
• a transmitter to transmit the service guide fragments used to announce service guide information, wherein the service guide information includes timeline information, channel information for the broadcast services, and program information for the content data.