Digital tv broadcast sending apparatus, digital tv broadcast receiving apparatus, and digital tv broadcast sending / receiving system which facilitate preselection of tv programs, and computer readable recording medium storing a program for achieving a function of the digital tv broadcast receiving apparatus

A digital broadcast receiving apparatus for receiving a transport stream in which a plurality of pieces of presentation data of a broadcast program and preselection control information are multiplexed, wherein each of the plurality of pieces of presentation data is of video data, audio data or a combination of video data and audio data, and the preselection control information is used for receiving instructions from a viewer concerning preselection of object programs, the digital broadcast receiving apparatus comprising:

• a receiving/extracting means for receiving the transport stream and extracting the plurality of pieces of presentation data and the preselection control information from the received transport stream, wherein the preselection control information includes:
• a first script which specifies a manipulation of the viewer performed to preselect an object program;
• and a second script which includes program identification information specifying an object program corresponding to the manipulation specified in the first script and includes an instruction to perform a process of preselecting the specified object program when the viewer performs the manipulation;
• a display processing means for displaying an original image on an external display based on a piece of presentation data being video data extracted by the receiving/extracting means;
• a preselection receiving means for receiving a manipulation performed by the viewer;
• and
• a script interpreting/executing means for executing the second script when the manipulation received by the preselection receiving means matches contents of the first script.

A digital broadcast sending/receiving system which includes a digital broadcast sending apparatus and a digital broadcast receiving apparatus, wherein the digital broadcast sending apparatus sends a transport stream to the digital broadcast receiving apparatus and the digital broadcast receiving apparatus displays a preselection information image on an external display,

• the digital broadcast sending apparatus comprising:
• a presentation data storage means for storing a plurality of pieces of presentation data of a broadcast program, wherein each of the plurality of pieces of presentation data is either of video data, audio data or a combination of video data and audio data;
• a preselection control information storage means for storing preselection control information which is used by the digital broadcast receiving apparatus to receive instructions from a viewer concerning preselection of object programs, the preselection control information including:
• a first script which specifies a manipulation of the viewer performed to preselect an object program;
• and a second script which includes program identification information specifying an object program corresponding to the manipulation specified in the first script and includes an instruction to perform a process of preselecting the specified object program when the viewer performs the manipulation;
• a multiplexing control means for reading the plurality of pieces of presentation data from the presentation data storage means and the preselection control information corresponding to the plurality of pieces of presentation information from the preselection control information storage means, and multiplexing the read plurality of pieces of presentation data and the read preselection control information into the transport stream during a transmission period which is determined based on a broadcast time of the broadcast program;
• and
• a sending means for sending the transport stream in which the read plurality of pieces of presentation data and the read preselection control information are multiplexed, and
• the digital broadcast receiving apparatus comprising:
• a receiving/extracting means for receiving the transport stream and extracting the plurality of pieces of presentation data and the preselection control information from the received transport stream, wherein the preselection control information includes:
• a first script which specifies a manipulation of the viewer performed to preselect an object program;
• and a second script which includes program identification information specifying an object program corresponding to the manipulation specified in the first script and includes an instruction to perform a process of preselecting the specified object program when the viewer performs the manipulation;
• a display processing means for displaying an original image on an external display based on a piece of presentation data being video data extracted by the receiving/extracting means,
• a preselection receiving means for receiving a manipulation performed by the viewer;
• and,
• a script interpreting/executing means for executing the second script when the manipulation received by the preselection receiving means matches contents of the first script.

A computer-readable recording medium storing a program which allows a computer to function as a digital broadcast receiving apparatus for receiving a transport stream in which a plurality of pieces of presentation data of a broadcast program and preselection control information are multiplexed, wherein each of the plurality of pieces of presentation data is either of video data and audio data, and the preselection control information is used for receiving instructions from a viewer concerning preselection of object programs, the digital broadcast receiving apparatus comprising:

• the digital broadcast receiving apparatus comprising:
• a receiving/extracting means for receiving the transport stream and extracting the plurality of pieces of presentation data and the preselection control information from the received transport stream, wherein the preselection control information includes:
• a first script which specifies a manipulation of the viewer performed to preselect an object program;
• and a second script which includes program identification information specifying an object program corresponding to the manipulation specified in the first script and includes an instruction to perform a process of preselecting the specified object program when the viewer performs the manipulation;
• a display processing means for displaying an original image on an external display based on a piece of presentation data being video data extracted by the receiving/extracting means;
• a preselection receiving means for receiving a manipulation performed by the viewer;
• and
• a script interpreting/executing means for executing the second script when the manipulation received by the preselection receiving means matches contents of the first script.

A digital broadcast sending apparatus which sends a transport stream to a digital broadcast receiving apparatus, comprising:

• a presentation data storage means for storing a plurality of pieces of presentation data of a broadcast program, wherein each of the plurality of pieces of presentation data is either of video data, audio data or a combination of video data and audio data;
• a preselection control information storage means for storing preselection control information which is used by the digital broadcast receiving apparatus to receive instructions from a viewer concerning preselection of object programs, the preselection control information including:
• graphics information which includes graphics data to be superimposed on an original image of a piece of presentation data of video data reproduced on a display of the digital broadcast receiving apparatus, the graphics information also specifying an initial display state of the graphics data;
• object program identification information which is used to identify object programs preselected by the viewer;
• and a change instruction for instructing to change the initial display state of the graphics data to another display state when a preselection of the object program is complete;
• a program schedule information storage means for storing program schedule information which includes information used for identifying the broadcast program, includes broadcast time information of the broadcast program, and shows a relationship between the broadcast program and the preselection control information.
• a multiplexing control means for referring to the program schedule information, reading the plurality of pieces of presentation data from the presentation data storage means, and multiplexing the read plurality of pieces of presentation data into the transport stream during a transmission period which is determined based on the broadcast time information, and repeatedly reading the preselection control information specified in the program schedule information from the preselection control information storage means and multiplexing the read preselection control information into the transport stream during the transmission period;
• and
• a sending means for sending the transport stream in which the read plurality of pieces of presentation data and the read preselection control information are multiplexed.

A digital broadcast receiving apparatus for receiving a transport stream in which a plurality of pieces of presentation data of a broadcast program and preselection control information are multiplexed, wherein each of the plurality of pieces of presentation data is either of video data, audio data or a combination of video data and audio data, and the preselection control information is used for receiving instructions from a viewer concerning preselection of object programs, the digital broadcast receiving apparatus comprising:

• a receiving/extracting means for receiving the transport stream and extracting the plurality of pieces of presentation data and the preselection control information from the received transport stream, wherein the preselection control information includes:
• graphics information which includes graphics data to be superimposed on an original image of a piece of presentation data of video data reproduced on the external display, the graphics information also specifying an initial display state of the graphics data;
• object program identification information which is used to identify object programs preselected by the viewer;
• and a change instruction for instructing to change the initial display state of the graphics data to another display state when a preselection of the object program is complete;
• a display processing means for displaying the original image on an external display based on a piece of presentation data being video data extracted by the receiving/extracting means;
• a preselection judging means for judging whether the viewer has preselected an object program;
• and
• a control means for instructing the display processing means to display the graphics data so that the graphics data is superimposed on the original image based on the change instruction when the preselection judging means judges that the viewer has preselected an object program.

A digital broadcast sending apparatus which sends a transport stream to a digital broadcast receiving apparatus, comprising:

• a preselection control information storage means for storing preselection control information which is used by the digital broadcast receiving apparatus to receive instructions from a viewer concerning preselection of object programs, the preselection control information including:
• a first script which includes a manipulation object and specifies a manipulation of the viewer performed to preselect an object program;
• and a second script which includes program identification information specifying an object program corresponding to the manipulation specified in the first script and includes an instruction to perform a process of preselecting the specified object program when the viewer performs the manipulation;
• a multiplexing control means for reading the preselection control information from the preselection control information storage means and multiplexing the read preselection control information into the transport stream during a transmission period which is determined based on broadcast time of the preselection control information;
• and
• a sending means for sending the transport stream in which the read preselection control information is multiplexed.

A digital broadcast receiving apparatus for receiving a transport stream in which preselection control information is multiplexed, wherein the preselection control information is used for receiving instructions from a viewer concerning preselection of object programs, the digital broadcast receiving apparatus comprising:

• a receiving/extracting means for receiving the transport stream and extracting the preselection control information from the received transport stream, wherein the preselection control information includes:
• a first script which includes a manipulation object and specifies a manipulation of the viewer performed to preselect an object program;
• and a second script which includes program identification information specifying the object program corresponding to the manipulation specified in the first script and includes an instruction to perform a process of preselecting the specified object program when the viewer performs the manipulation;
• a display processing means for displaying on the external display the manipulation object included in the extracted first script;
• a preselection receiving means for receiving a manipulation performed by the viewer;
• and
• a script interpreting/executing means for executing the second script when the manipulation received by the preselection receiving means matches contents of the first script.