JPH03132271A - Video and audio signal transmission controller - Google Patents

Abstract

PURPOSE:To decrease the number of cartridges by storing a control data of each cut of composite cut in advance and outputting a video image of each cut sequentially with the control data of each cut stored in advance when a cartridge set with a data representing a composite cut is set. CONSTITUTION:The control data of each cut of a composite cut composed of plural cuts a-e, a is stored in advance in a memory 18 and when a cartridge 1 set with a data representing the composite cut is set, the video of each cut is sequentially outputted by using the control data of each cut stored in advance. When each cut is a routine cut such as a news program or a weather forecast program, plural cuts are broadcasted by using one cartridge 1 and the number of the cartridges 1 to designate each cut is decreased.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a video and audio transmission control device for transmitting news, editing programs, etc. at a broadcasting station or the like.

BACKGROUND TECHNOLOGY In general, when transmitting news or editing programs at a broadcasting station, etc., video materials, video effects, images from a TV camera, VTR (video tape recorder), etc. in each cut such as chroma key, etc. Since audio is combined, TV cameras, VTRs, etc. must be sequentially controlled by specifying each cut.

Conventionally, in this type of video and audio transmission control device, an input device called a cartridge is prepared in advance for each cut, as shown in FIG. As shown in FIG. 11, this cartridge 1 is configured so that holes 1a can be formed on the back side at arbitrary positions among the 10 holes, for example, and a pattern sticker indicating each cut is provided on the surface. It will be pasted.

The cartridge holder of the operation panel of the video and audio transmission control device is provided with a photocoupler that reads the hole la on the back side of the cartridge 1.
1024 types of cuts can be specified by arranging the cartridges 1 in which a is formed on the operation panel in the broadcast order for each cut.

The operator can confirm each cut to be broadcast by the pattern on the surface of the cartridge 1, and also by operating the take key for starting broadcasting provided on the cartridge holder for each set position of the cartridge 1. Each cut can be specified.

Problems to be Solved by the Invention However, the conventional video and audio transmission control device described above has the following problems:
Cartridge 1 of each cut is set in the cartridge holder of the operation panel in the order of broadcast, so if there are many cuts such as wide news, it is not possible to set all cartridges 1, and currently commercials are not broadcast. There is a problem in that the operator has to replace the cartridge 1 while the machine is in use.

Although the above problem can be solved by expanding the cartridge holder, in reality, various operation buttons and CRT displays are arranged on the operation panel, so it is difficult to expand the cartridge holder. It is.

SUMMARY OF THE INVENTION In view of the above conventional problems, it is an object of the present invention to provide a video and audio transmission control device that can reduce the number of cartridges for specifying each cut.

Means for Solving the Problems In order to achieve the above object, the present invention stores in advance control data for each cut of a composite cut made up of a plurality of cuts, and sets data indicating that it is a composite cut. When the cartridge is set, the images of each cut are sequentially output based on the control data of each cut stored in advance.

Effect of the Invention With the above configuration, the present invention can broadcast a plurality of cuts using one cartridge when each cut is a fixed format, such as a news program or a weather forecast program. The number of can be reduced.

EXAMPLES Hereinafter, the present invention will be described in detail with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of the video and audio transmission control device according to the present invention, FIGS. 2 to 9 are explanatory diagrams showing the stored contents of the memory in FIG. 1, and FIG. FIG. 2 is an explanatory diagram of the operation of the video and audio transmission control device of FIG. 1;

In Figure 1, 11 is TV camera (C1, C2) 2
1.22, various video and audio signals from sources such as VTR (Vl, V2') 23.24, still image device 25, telop device 26, etc. are selected and used as cuts for the current broadcast and cuts for the next broadcast. The output switcher 12 is a CR for displaying the current broadcast cut video from the switcher 11.
A T display 13 is a CRT display for displaying the next broadcast cut video from the switcher 11.

Reference numeral 14 denotes a cartridge holder for setting the cartridges 1 shown in FIG.
It is equipped with a photocoupler (not shown) that reads a, and
At the set position of each cartridge 1, a take key (not shown) for specifying the current broadcast cut and the next broadcast cut is provided, and an address is also assigned.

15 is a microprocessor (MPU) for controlling the entire video and audio transmission control device; 15 is a clock that measures the current time; and 17 is a CRT for displaying a picture of a composite cut consisting of a plurality of cuts. The display 18 is a memory having storage areas as shown in FIGS. 2-9.

As shown in FIG. 2, the memory 18 has an area for storing, for example, 10-bit cut information of the cartridge 1 set in the cartridge holder 14 and its broadcast start time. 11
This is the maximum number of cartridges 1 that can be set. Furthermore, M
The PU 15 moves the cartridge holder 11 at predetermined time intervals.
The cut information of the cartridge 1 set in is read and stored in each address.

The first 5 bits of the cut information are, for example, as shown in Figure 3, the shots of the TV cameras (C1, C2) 21 and 22 (first group = 00001), and the video processing (first group) by the digital video processor (DVP). 2 groups=O
OO10), video special effect processing (3rd group = OO
O11), a composite cut consisting of a plurality of cuts (20th group=10100), etc. are assigned as data indicating a group of cuts.

The latter 5 bits are assigned as material codes that specify each shot of the TV left camera 1.22, VTR 23, 24, etc., and for example, each shot data of the first group as shown in Figure 4, and the data of each shot of the first group as shown in Figure 5. The second group of VTR selection data, the third group of special effect selection data as shown in FIG. 6, and the 20th group of composite cut selection data are assigned as shown in FIG.

The memory 18 further includes a 20th memory, for example, as shown in FIG.
It has an area for presetting each cut information (10 bits) of the first composite cut of the group, and here,
For example, as shown in FIGS. 8 and 10, a composite cut includes cut a of the first shot taken by the TV camera (C1) in a news program, and cut a of the first shot taken by the TV camera (C1) in a news program.
) and the second shot taken by TV
Second shots b and V taken by camera (C1)
C) where the video played by TR1 is synthesized,
There are six cuts: cut d of wipe which is one of the special processing, cut e of the video played by vTRl, and cut a of the first shot shot by the TV camera (C1) like the first cut. Consists of.

As shown in FIG. 9, the memory 18 also stores TV cameras (C1, C2) 21, 22, V
It has an area for pre-storing data for controlling the TR (Vl, V2') 23, 24, still image device 25, and telop device 26.

Next, the operation of the above embodiment will be explained.

As shown in FIG. 10, when broadcasting a news program with the first composite cut consisting of six cuts a-e and a, the code of the upper five bits for specifying the 20th group and the first composite cut are A cartridge 1 in which a lower 4-bit code for specifying the broadcast is set is prepared in advance and set in the cartridge holder 14 before broadcasting. Therefore, the cut information of this cartridge 1 is accessed and stored in the area of the memory 18 shown in FIG. Further, on the surface of the cartridge 1, a picture sticker indicating that the cut is the first composite cut is attached.

When the cut before this first composite cut is broadcast, M
The PU 15 displays the picture of each cut of the first composite cut on the CRT display 17, as shown in FIG. Therefore, the operator can make sure that the next cut to be broadcast is the first cut.
It can be confirmed that this is a composite cut.

Next, the MPU 15 reads the memory 10 as shown in FIG.
The upper 5 bits of the cut information stored in the cut information are used to recognize that the cut to be broadcast is a composite cut, the lower 5 bits are used to recognize that it is the first composite cut, and the cut information is stored in the memory 18 as shown in FIG. Each cut of the first composite cut is recognized based on the cut information stored in the first composite cut.

Next, the first group (Fig. 3), which is the shot of the TV camera (CI, C2) 21.22, is recognized by the upper 5 bits of the first cut information of the first composite cut, and the lower 5
The cut a of the first shot taken by the TV camera (C1) is recognized by the bit, and the TV camera (C1) 21 is controlled by the control data (Fig. 9) corresponding to this 10-bit cut information. , TV camera (C
1) Control the switcher 11 so that the video from 21 is displayed on the CRT display 13 for cutting the next broadcast.

Next, when the broadcast start time of the first composite cut arrives or the take key for broadcast start is operated, the TV camera (C
I) Control the switcher 11 so that the video from the 21 is output as a real broadcast and displayed on the CRT display 12 for cutting the current broadcast.

Similarly, the second shot (cut b
), cut c which is a combination of cut b and video played by VTRI, cut d of wipe which is one of the special processing, cut e of video played by vTRl,
Each material 2 is broadcast so that six cuts of cut a of the first shot taken by the TV camera (C1) are broadcast.
2 to 26 and the switcher 11.

When the broadcast of the last cut a of the first composite cut is finished, the pictures of each cut of the first composite cut displayed on the CRT display 17 are erased.

Therefore, the operator can confirm the first composite cut while it is being broadcast.

DETAILED DESCRIPTION OF THE INVENTION As described above, the present invention stores in advance control data for each cut of a composite cut made up of a plurality of cuts,
When a cartridge with data indicating that it is a composite cut is set, the video of each cut is output sequentially according to the control data of each cut stored in advance, so it is possible to output the video of each cut sequentially, so it can be used for news programs and weather forecast programs. If each cut is stylized, multiple cuts can be broadcast by one cartridge, thus reducing the number of cartridges.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing an embodiment of the video and audio transmission control device according to the present invention, FIGS. 2 to 9 are explanatory diagrams showing the stored contents of the memory in FIG. 1, and FIG. FIG. 1 is an explanatory diagram of the operation of the video and audio transmission control device, and FIG. 11 is a perspective view showing the cartridge. l...Cartridge, 11...Switcher, 12.
...Cartridge holder, 15...Microprocessor (MPU), 16...Clock, 17...CRT display, 18...Memory, 21.22...TV camera, 23.24... VTR, 25... still image device, 26... telop device.

Claims (3)

[Claims] (1) A means for pre-storing control data for each cut of a composite cut made up of multiple cuts, a means for reading data of a cartridge set with data indicating that it is a composite cut, and a composite cut. a video/audio transmission control device comprising: means for controlling the video of each cut to be sequentially output based on the control data of each cut stored in advance in the storage means when data indicating the cut is read; 2. The video and audio transmission control device according to claim 1, further comprising: (2) means for displaying that a composite cut will be broadcast. (3) Claim (1) characterized in that after the broadcast of the video of the cut before the composite cut starts, it is displayed that the composite cut will be broadcast until the broadcast of the last cut of the composite cut ends. Or the video and audio transmission control device described in (2).