JP4519730B2 - Broadcast program switching transmission device and broadcast program switching transmission method - Google Patents

Description

  The present invention is used, for example, in a master station of a network reception broadcasting system in which a master station and a network receiving station are connected by a relay line, and selectively transmits broadcast program signals to be transmitted to the network receiving station. And a broadcast program switching transmission method.

  In the terrestrial broadcasting system, a network receiving broadcasting system has been constructed in which a master station serving as a network transmitting station and a network receiving station are connected by a relay line. In this net receiving station, the broadcast signal received through the relay line is transmitted again toward a specific broadcast service area. At this time, CM (commercial) material data from the master station may be replaced with the CM material data of the own station and transmitted. In this case, the CM material is switched based on the net mark material included in the broadcast signal from the master station.

  By the way, in the net sending operation, a net mark material, BB (Black Burst) is sent as the material before the main part at the start. At the end, BB and a net mark material are sent as the material after the main part. In this case, the operator edits the BB and net mark material as operation data and inputs them to the control system.

  For this reason, it takes a lot of time and effort to edit operational data and input to the control system, and at the same time, when the network feed continues, it must be input considering the combination of the subsequent material of the previous program and the previous material of the next program. It is a hindrance to intuitive input.

Thus, conventionally, a method has been proposed in which a scenario execution server is used to edit BB and net mark material as operation data and input the operation data to a control system (for example, Patent Document 1).
JP 2000-115744 A.

  However, in the above method, a dedicated scenario execution server must be prepared separately, which increases equipment costs.

  Accordingly, an object of the present invention is to provide a broadcast program switching / transmitting apparatus and a broadcast program switching / transmitting method capable of realizing continuous net feeding while reducing the burden on an operator in net feeding while minimizing system cost increase. Is to provide.

In order to achieve the above object, the present invention is configured as follows.
A plurality of net mark materials and BB (Black Burst) with a predetermined time length before and after the start based on broadcast schedule data including the start time and end time of the broadcast program sent from the net sending station to the net receiving station In the broadcast program switching and transmitting apparatus for selectively switching and transmitting the broadcast program signal, the program is based on the end time of the switching source broadcast program signal and the start time of the switching destination broadcast program signal included in the broadcast schedule data. The switching determination means for determining the switching time of the program and the switching means for switching the broadcast program signal based on the determination result of the switching determination means.

  According to this configuration, the switching time of the program is determined based on the end time of the switching source broadcast program signal and the start time of the switching destination broadcast program signal included in the broadcast schedule data, and at the determined switching time The broadcast program signal is switched. For this reason, the operator has only to register broadcast schedule data specifying the start time and end time of the broadcast program signal for sending on the network, which greatly reduces the operational burden on the operator. It is possible to realize continuous net feeding without intervening.

  When there is a predetermined time difference between the end time of the switching source broadcast program signal and the start time of the switching destination broadcast program signal, the switching determination means determines that the end time of the switching source BB is the switching time. Features.

  According to this configuration, an appropriate switching process can be performed for each material by setting a switching priority in advance for the BB and the net mark material.

  As described above in detail, according to the present invention, a broadcast program switching transmission device and a broadcast that can realize continuous net feed while reducing the burden on the operator while suppressing cost increase of the system as much as possible. A program switching transmission method can be provided.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a schematic configuration diagram of a network reception broadcast to which a broadcast program switching transmission device of the present invention is applied.
In FIG. 1, reference numeral 10 indicates a master station as a net sending station, and reference numeral 20 indicates a remote station as a net receiving station. The master station 10 sends a digital broadcast signal from the antenna 11 toward the broadcast service area to which the own station belongs. The remote station 20 is connected to the master station 10 via the broadcast relay network NW. The remote station 20 switches between the digital broadcast signal transmitted from the master station 10 via the broadcast relay network NW and the digital broadcast signal of the own station, and sends the digital broadcast signal from the antenna 21 to the broadcast service area to which the own station belongs. Send out.

FIG. 2 is a block diagram showing the configuration of the master station 10 as an embodiment of the present invention.
In the master station 10, a program server 111, a CM server 112, a switcher 113, and an automatic program transmission control device (APC) 114 are connected to the bus 110.

  The program server 111 records program data to be broadcast, reproduces the recorded program data based on a reproduction command signal from the automatic program transmission control device 114, and outputs it to the switcher 113. At this time, the net mark material NM and the BB signal are also output to the switcher 113. Further, the program data reproduction is stopped based on the reproduction stop command signal from the automatic program transmission control device 114.

  The CM server 112 records CM (commercial) data to be broadcast, reproduces the recorded CM data based on a reproduction command signal from the automatic program transmission control device 114, and outputs it to the switcher 113.

  The output of the program server 111 and the output of the CM server 112 are selectively derived by the switcher 113 and thereafter sent as a broadcast signal. The automatic program transmission control device 114 transmits a reproduction command signal or a reproduction stop command signal to the program server 111 and the CM server 112 according to the broadcast schedule data provided from the data server (DS) 115, and then performs switching control of the switcher 113. To do. In addition to the output of the program server 111 and the output of the CM server 112, the automatic program transmission control device 114 performs transmission control and switching control of other program data.

  By the way, the automatic program transmission control device 114 has a switching determination function and a switching control function as functions related to the present invention. The switching determination function determines the switching point of program data based on the end time of the network sending program data that is the switching source included in the broadcast schedule data and the start time of the network sending program data that is the switching destination. To do. At this time, as shown in FIG. 3, from the previous BB material at the time of net sending to the main part is defined as a prohibited section, and when the previous net mark material NM, BB, the subsequent BB, and the net mark material NM are prohibited. Set the non-control flag.

  The switching control function controls the switcher 113 so that the program data for network transmission is switched at the switching time determined by the switching determination function.

Next, the operation in the above configuration will be described.
The automatic program transmission control device 114 monitors the broadcast schedule data provided from the data server 115, and the end time of the main part 1 being broadcast on the broadcast schedule data and the start of the main part 2 scheduled to be broadcast next. Based on the time, the switching time point from the main part 1 to the main part 2 is determined, and a switching timing signal is output to the switcher 113 from the determination result.

  Here, as shown in FIG. 4, when the start time of the main part 2 is coincident with the end time of the main part 1, the switcher 113 receives the switching timing signal and immediately switches from the main part 1 to the main part 2. Thereby, the main part 1 and the main part 2 are continued.

  On the other hand, as shown in FIG. 5, when the start time of the main part 2 is within 3 seconds from the end time of the main part 1, the switcher 113 receives the switching timing signal and immediately switches from the main part 1 to the main part 2. Then, the BB after the end of the main part 1 is shortened and the main part 2 is started.

  Further, as shown in FIG. 6, when the start time of the main part 2 is 3 seconds or more and less than 6 seconds from the end time of the main part 1, the switcher 113 receives the switching timing signal and immediately switches from the main part 1 to the main part 2. . Then, the BB after the end of the main part 1 is extended and the main part 2 is started.

  Further, as shown in FIG. 7, when the start time of the main part 2 is 6 seconds or more and less than 30 seconds from the end time of the main part 1, the automatic program transmission control device 114 determines the end point of the BB after the end of the main part 1 and the main part 2 The point of overlap with the net mark material NM before starting is determined as a switching point, and a switching timing signal is output to the switcher 113 at this switching point. Then, the net mark material NM after the end of the main part 1 is shortened and BB is started.

  As described above, in the above-described embodiment, in the automatic program transmission control device 114, the end time of the broadcast source broadcast program signal (main part 1) included in the broadcast schedule data from the data server 115 and the destination network Based on the start time of the broadcast program signal for transmission (main part 2), the switching time of the program is determined, and at this determined switching time, the switching timing signal is output to the switcher 113 to switch the broadcast program signal. I have to.

  Therefore, the operator only has to register the broadcast schedule data specifying the start time and end time of the broadcast program signal for sending on the network in the data server 115, thereby greatly reducing the operational burden on the operator. As a result, continuous net feeding can be realized without human intervention. In addition, it is not necessary to prepare a dedicated server, and since known studio equipment such as the automatic program transmission control device 114 and the data server DS 115 can be used as they are, an increase in equipment cost can be suppressed.

  In the above-described embodiment, the automatic program transmission control device 114 sets the prohibited state non-control flag to control the BB and net mark material NM, the subsequent BB, and the net mark material NM. An appropriate switching process can be performed every time.

  In the above embodiment, the automatic program transmission control device 114 determines the switching point of the broadcast program for network transmission, and the switcher 113 receives the switching timing signal from the automatic program transmission control device 114 to switch the broadcast program. Although the example has been described, for example, the switcher 113 may have the function of the automatic program transmission control device 114. In this case, the present invention can also be implemented by software set in the switcher 113.

  In addition, the system configuration, the configuration of the master station, the type of broadcast program signal to be handled, the switching procedure, and the like can be variously modified and implemented without departing from the gist of the present invention.

The schematic block diagram of the network reception broadcast to which the broadcast program switching transmission apparatus of this invention is applied. The block diagram which shows the structure of the main | base station as one Embodiment of this invention. The figure which shows the data structure of the broadcast program signal for the net transmission handled by the embodiment. The figure shown in order to demonstrate the switching timing of the broadcast program when the start time of the main part of a switching destination is simultaneous with the end time of the main part of a switching source in the same embodiment. The figure shown in order to demonstrate the switching timing of the broadcast program when the start time of the main part of the switching destination is within 3 seconds from the end time of the main part of the switching source in the embodiment. The figure shown in order to demonstrate the switching timing of the broadcast program when the start time of the main part of the switching destination is 3 seconds or more and less than 6 seconds from the end time of the main part of the switching source in the embodiment. The figure shown in order to demonstrate the switching timing of the broadcast program when the start time of the main part of the switching destination is 6 seconds or more and less than 30 seconds from the end time of the main part of the switching source in the embodiment.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Master station, 11, 21 ... Antenna, 20 ... Remote station, 111 ... Program server, 112 ... CM server, 113 ... Switcher, 114 ... Automatic program transmission control apparatus (APC), 115 ... Data server (DS).

Claims (2)

A plurality of net mark materials and BB (Black Burst) with a predetermined time length before and after the start based on broadcast schedule data including the start time and end time of the broadcast program sent from the net sending station to the net receiving station In the broadcast program switching and transmitting apparatus for selectively switching and transmitting the broadcast program signal of
Switching determination means for determining a switching time of a program based on an end time of a switching source broadcast program signal and a start time of a switching destination broadcast program signal included in the broadcast schedule data;
Switching means for switching the broadcast program signal based on the determination result of the switching determination means,
The switching determination means determines the end time of the BB serving as the switching source as the switching time when there is a predetermined time difference between the end time of the switching source broadcast program signal and the start time of the switching destination broadcast program signal. A broadcast program switching and sending device characterized by: A plurality of net mark materials and BB (Black Burst) with a predetermined time length before and after the start based on broadcast schedule data including the start time and end time of the broadcast program sent from the net sending station to the net receiving station In the broadcast program switching transmission method of selectively switching and transmitting the broadcast program signal of
When there is a predetermined time difference between the end time of the switching source broadcast program signal included in the broadcast schedule data and the start time of the switching destination broadcast program signal, the end time of the switching source BB is set as the program switching time point. And
A broadcast program switching and sending method characterized by switching broadcast program signals based on the determination result.

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