JPH08265684A - Video material bank system - Google Patents

Abstract

PURPOSE: To effectively secure a bank area recording video material by sorting video material to plural solid video recording and reproducing devices, recording the video material, dubbing only irreducibly minimum material with each other at the time of the on-air transmission and duplexing the material. CONSTITUTION: Still image material is directly supplied to each of solid video recording and reproducing devices 11 and 12 and is dually filed. Moving image material is once dually filed in first and second mother VTR 13 and 14, the only necessary material for the broadcasting for the day from each mother VTR 13 and 14 is selectively sorted to two systems and the material is filed in the first and second solid video recording and reproducing device 11 and 12. In the first and second solid video recording and reproducing device, the on-air transmission material corresponding to three frames is dubbed with each other so as to compensate with each other and the same material is simultaneously transmitted. As a result, only the material corresponding to the three frames is always and dually filed, and material to be transmitted is selectively derived by a video switcher 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video material bank system which stores a large number of video materials by using a video recording / reproducing apparatus having a semiconductor memory as a recording medium and instantaneously sends out arbitrary video materials.

[0002]

2. Description of the Related Art In recent years, a large-capacity semiconductor memory has become widespread, and together with the progress of video information compression technology, a video recording / reproducing apparatus using a semiconductor memory as a recording medium (hereinafter referred to as a solid-state video A recording / reproducing apparatus) has been put to practical use. The video recording / playback device using this semiconductor memory is
It has many advantages such as high-speed random access and high reliability because there are no moving parts.

For example, if it is used for editing a moving image, the working time can be speeded up by instant cueing, and the operability is dramatically improved by noiseless high speed search. Also, if it is used for broadcasting programs from broadcasting stations,
It is possible to easily deal with complicated program organization.

By the way, in the conventional solid-state image recording / reproducing apparatus, the RAM is used as the memory, and when the power is turned off, all the stored data is lost. Therefore, when constructing a bank system that stores extremely important video materials such as commercials in a broadcasting station, safety is of the utmost importance. One video recording / reproducing device is prepared for each.

However, since the solid-state image recording / reproducing apparatus itself is still more expensive than a VTR (video tape recorder) or the like, complete duplication using the solid-state image recording / reproducing apparatus greatly affects the cost of the entire system. To do.

[0006]

As described above, in the video material bank system using the conventional solid-state video recording / reproducing apparatus, when the redundant configuration is adopted, the solid-state video recording / reproducing apparatus is provided for each of the normal system and the standby system. Since it was prepared for complete duplication, a significant cost increase could not be avoided.

Therefore, the present invention has been made to solve the above problems, and provides a video material bank system capable of holding a minimum necessary backup and effectively securing a bank area for recording video material. With the goal.

[0008]

In order to achieve the above object, the present invention provides a video material bank system for recording video material in a plurality of solid-state video recording / reproducing devices and transmitting the video material in on-air order. Separate video materials are recorded in each solid-state video recording / reproducing apparatus, and at the start of on-air, the video materials of two or more frames on-air are mutually dubbed between the plurality of solid-state video recording / reproducing apparatuses. And

[0009]

[Operation] In the video material bank system having the above configuration,
Effectively secure a bank area for recording video material by distributing video material to multiple solid-state video recording / playback devices and recording it, and duplicating only the minimum necessary material when sending it on air. I am trying to do it.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. FIG. 1 shows the structure of a video material bank system according to the present invention. Reference numerals 11 and 12 respectively denote a first and a second solid-state video recording / reproducing apparatus using a RAM.
Reference numerals 3 and 14 are mother VTRs.

Still image material is a solid-state image recording / reproducing apparatus 1
It is directly supplied to Nos. 1 and 12 and double-filed.
In addition, the video material is once the first and second mother VTR1
Doubly filed on 3 and 14, each mother VTR1
Only the materials required for broadcasting on the day from 3 and 14 are selectively distributed into two systems and filed in the first and second solid-state image recording / reproducing apparatuses 11 and 12.

First and second solid-state image recording / reproducing devices 11,
In No. 12, dubbing is performed so that the on-air delivery materials for three frames are always complemented with each other, and the same material is delivered simultaneously. As a result, only the material for three frames is always double-filed. The material sent from each of the solid-state image recording / reproducing devices 11 and 12 is selectively derived by the video switcher 15.

The material filing process and the on-air sending process described above are performed in response to a command from the editing / sending control device (CPU) 16. In the above configuration, an operation procedure by the edit control device 15 will be described below with reference to FIGS. 2 and 3.

FIG. 2 shows the case where the edit mode is designated. First, it is judged whether or not the recorded material is a still image material (step S1). If it is a still image material (Y), each solid image recording is performed. The files are duplicated and filed in both of the playback devices 11 and 12 (step S2). If it is a moving image material (N), step S3 is executed.

In step S3, the first mother VTR1
It is determined whether or not 3 is normal, and if normal (Y), necessary moving image material is taken out from the first mother VTR 13 and distributed to each of the solid-state image recording / reproducing devices 11 and 12 for filing (step S4).

When there is an abnormality in the first mother VTR 13 in step S4 (N), necessary moving image material is taken out from the second mother VTR 14 and each solid-state image recording / reproducing apparatus 1 is used.
1 and 12 for filing (Step S
5).

FIG. 3 shows a case in which the on-air sending mode is designated. Before the start of on-air, three frames in the on-air order are dubbed mutually between the solid-state image recording / reproducing apparatuses 11 and 12 to be duplicated (step S11 ), Either output is selected by the video switcher 15 (step S12). When on-air starts (step S1
3), the materials are simultaneously sent out from the respective reproduction devices 11 and 12 in the order of on-air (step S14).

When the material for one frame has been sent (step S15), it is judged whether or not the on-air operation is completed (step S1).
6) When continuing on-air (N), the next one frame of material is mutually dubbed (step S17) and step S17.
Returning to step 14, if the on-air has been completed (Y), the process ends when the designated material is delivered.

Therefore, in the video material bank system having the above-described structure, moving image materials having a large amount of data are distributed and recorded in the two-system solid-state image recording / reproducing devices 11 and 12, and only the minimum necessary materials are transmitted at the time of sending on air. Since they are duplicated by duplicating each other, a complete backup can always be held and a bank area for recording video material can be effectively secured.

Even if one of them fails, the three frames can be reliably on-air. For the materials required after that, the necessary materials are recorded while the three frames are being reproduced. All that is required is that on-air will not be interrupted at the same time as a failure occurs.

In the above embodiment, the still image material is completely duplicated.
It goes without saying that recording may be performed by distributing to the system solid-state image recording / reproducing apparatus. Further, in the above embodiment, the moving picture material is backed up by using the two systems of mother VTRs, but one system may be used if it is not necessary. Also, different materials may be recorded in each mother VTR. Furthermore, the number of frames to be dubbed together is three.
The number of frames is not limited to two, and may be two or more. Needless to say, other various modifications are possible.

[0022]

As described above, according to the present invention, it is possible to provide a video material bank system capable of holding a minimum necessary backup and effectively securing a bank area for recording video material.

[Brief description of drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of a video material bank system according to the present invention.

FIG. 2 is a flow chart for explaining a processing operation in an edit mode of the embodiment.

FIG. 3 is a flow chart for explaining a processing operation in an on-air delivery mode of the embodiment.

[Explanation of symbols]

 11, 12 ... Solid-state image recording / reproducing device 13, 14 ... Mother VTR 15 ... Video switcher 16 ... Editing / sending control device

Claims (4)

[Claims] 1. A video material bank system for recording video material on a plurality of solid-state video recording / reproducing apparatuses and transmitting the video material in an on-air sequence, wherein different video materials are recorded on the plurality of solid-state video recording / reproducing apparatuses. The video material bank system is characterized in that the video materials of two or more frames on air are dubbed between the plurality of solid-state video recording / reproducing devices at the start of on-air. 2. A video switcher for selectively deriving any one of the outputs of the plurality of solid-state image recording / reproducing apparatuses, and simultaneously sending on-air materials from the plurality of solid-state image recording / reproducing apparatuses. 2. The video material bank system according to claim 1, wherein the video switcher is appropriately selected. 3. The video material of the video material is once recorded in a mother VTR, and the necessary video material is distributed to and recorded in the plurality of solid-state video recording / reproducing devices. The video material bank system described in 1. 4. When a failure occurs in any one of the plurality of solid-state image recording / reproducing devices, another solid-state image recording / reproducing device additionally records the recording material of the device during the reproduction. The video material bank system according to claim 1, wherein