JPH10285539A - Video signal processing unit and video signal processing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To increase the number of video display means to be connected to a 2nd storage means by processing and editing a video signal subject to non- compression or compression at a low compression rate stored in a 1st storage means based on an edit execution sequencing list generated based on a video signal compressed at a high compression rate stored by a 2nd storage means and storing the resulting signal with a high compression rate into the 2nd storage means. SOLUTION: In a news program production broadcast system 20, edit execution sequencing list(EDL) execution devices 40A-40C edits video audio data D10 from a daily server 30 based on EDL data stored in an external storage device 35, the edited video audio data D13A-13C are subject to compression coding at a high compression rate, and stored in a clip server 33. Since the number of reference browsers 43A-43N to be connected is considerably increased by enhancing the transfer capability of the clip server 33, the browser is installed to each room for generating programs and then the program is generated at a high work efficiency.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[Table of Contents] The present invention will be described in the following order.

BACKGROUND OF THE INVENTION Prior Art (FIG. 3) Problems to be Solved by the Invention (FIG. 3) Means for Solving the Problems (FIGS. 1 and 2) Embodiments of the Invention (1) Present Embodiment (2) Various processes of system control unit (FIG. 2) (3) Operations and effects of embodiment (4) Other embodiments Effects of the invention

[0003]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video signal processing apparatus and a video signal processing method, and is suitably applied to, for example, a news program production and broadcast system.

[0004]

2. Description of the Related Art Conventionally, as one of such news program production / broadcast systems, there is one configured as shown in FIG.

In the news program production / broadcasting system 1 having such a configuration, first and second AV (Audio Video) servers 2 and 3 having a recording / reproducing section having a disk array configuration, and a plurality of editing devices 4A to 4N are provided. , A system control unit 5 that controls the entire system 1, a data storage device 6 in which various data are stored, and a plurality of reference viewing devices 7A to 7A to
7N is connected via a network 8.

In this case, the first AV server 2 transmits the uncompressed or low-compressed video / audio data D1 obtained by the interview.
A to D1N are fetched simultaneously under the control of the system control unit 5, are filed, and are stored at designated address positions in the recording / reproducing unit.

Here, each of the editing devices 4A to 4N can be edited by manual operation of an operator. When a file read command is input by the operator, the editing device 4A to 4N is controlled under the control of the system control unit 5. First A
The corresponding file data (video and audio data D1A to D1N) is read from the V server 2, and the video based on the data is displayed on the monitor.

In this state, the operator inputs various information necessary for editing, such as an in point and an out point, to the editing devices 4A to 4N while visually checking the images displayed on the monitors of the editing devices 4A to 4N. Video / audio data D
1A to D1N can be processed and edited in a predetermined state.

[0009] The edited video and audio data D2A to D2N obtained by the editing devices 4A to 4N are transmitted from the editing devices 4A to 4N to the second AV server 3 and controlled by the system control unit 5. The data is sequentially taken in by the second AV server 3, filed, and stored at the designated address position in the recording / reproducing unit.

At this time, the system control unit 5 manages the broadcast time of the edited video and audio data D2A to D2N, and changes the transmission order of the two-use video stored in the data storage device 6 at a predetermined time. The corresponding video / audio data D2A to D2N are sequentially read out from the second AV server 3 based on the specified key sheet and sent to an external on-air device (not shown).
A to D2N can be broadcast via on-air equipment.

Incidentally, each of the reference browsing devices 7A to 7N has a second
Video / audio data D2A to D2 stored in the AV server 3
2N is read out and an image based on the 2N can be displayed on a monitor. Therefore, the operator reads out the video and audio data D2A to D2N before being transmitted from the second AV server 3 to the on-air device using the reference browsing devices 7A to 7N, and displays the video based on the data on the monitor to display the actual data. It is possible to visually check the editing result of the news video broadcasted before the broadcast.

In the news program production / broadcasting system 1 as described above, the video / audio data D1
A to D1N can be edited to a desired state and broadcast at a predetermined time.

[0013]

In the news program production / broadcasting system 1 having such a configuration, since the system 1 is relatively large, for example, each of the editing devices 4A to 4N is placed in a room called an editing room. Each device is installed in a separate room, such as each of the reference viewing devices 8A to 8N is installed in a room called a readjustment room.

For this reason, when a related person such as a program production staff or a news manuscript creator who is involved in program production in a room separate from the sub-adjustment room desires to browse and view the edited video, work is performed each time. Must be interrupted to go to the sub-adjustment room, and the working efficiency may be significantly reduced. Therefore, recently, the reference browsing device 8A has been used to improve the work efficiency.
There is a growing demand for increasing the number of ８8N and arranging them in a plurality of rooms so that the editing result of a video can be checked from each room.

However, in the news program production / broadcasting system 1, the upper limit of the number of reference browsing devices 7A to 7N that can be connected to the second AV server 3 is determined by the transfer capability of the second AV server 3. However, there is a problem that it is difficult for the system to easily increase the number of reference browsing devices 8A to 8N.

The present invention has been made in view of the above points, and it is an object of the present invention to propose a video signal processing apparatus and a video signal processing method capable of improving the work efficiency of program production.

[0017]

According to the present invention, there is provided a first memory holding means for storing and holding a supplied uncompressed or low-compressed video signal, A second storage unit for storing and holding, and a list creation unit for creating a list defining an editing execution order based on the highly-compressed video signal stored and held in the second storage unit; Video display means for displaying a video based on the highly compressed video signal stored and stored in the storage means, and an uncompressed or low-compressed video stored and held in the first storage means based on the list Editing means for processing and editing the signal, supplying the video signal processed and edited by the editing means to the second storage and holding means, and highly compressing the processed and edited video signal by the second storage and holding means. hand And 憶 holding, in the video display means,
The video based on the processed and edited video signal stored and held in the second storage and holding means is displayed.

As a result, the number of video display means that can be connected to the second storage means can be greatly increased, whereby the video display means can be arranged in a plurality of rooms for producing programs, and Thus, it is possible to allow a related operator involved in program creation to confirm the editing result of the news video actually broadcast from the own room before the broadcast.

A list that stores and holds the supplied uncompressed or low-compressed video signal, stores and holds the video signal at a high compression rate, and defines an editing execution order based on the highly-compressed video signal. Based on the created list, the uncompressed or low-compressed video signal is processed and edited, and the processed and edited video signal thus obtained is highly compressed and stored and held, and the processed and edited video signal is processed and edited. An image based on the input image signal is displayed.

As a result, a plurality of related operators involved in program creation can visually confirm the editing result of the actually broadcast news video before the broadcast while staying in their own rooms.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings.

(1) Configuration of a News Program Production Broadcasting System According to the Present Embodiment In FIG. 1, reference numeral 20 denotes a news program production broadcasting system to which the present invention is applied as a whole. A list that defines the editing execution order to be edited (hereinafter referred to as EDL (Edit D
(hereinafter referred to as "ecision list") by the operator, a list defining the broadcast order of the edited video and audio data (hereinafter referred to as an on-air list), a two-use manuscript, and An on-air list creation system 23 for the operator to create a list defining the order of use of the two-use manuscript, and an offline EDL
An online editing and sending system 24 for executing an editing process based on the EDL created by the creating system 22, an archive 25 for storing necessary video and audio data, and a system for controlling the entire news program production and broadcasting system 20 And the control unit 26.
L creation system 22, on-air list creation system 23, online edit transmission system 24, archive 25, and system control unit 2
6 are connected via a LAN (Local Area Network) 27.

In this case, the video / audio data D1 transferred from the news gathering site via a transmission line such as a telephone line or a satellite communication line, or reproduced from the news gathering tape by a video tape recorder is sent to the news program production / broadcasting system 20.
0 is supplied to a plurality of systems, which are input to the daily server 30 of the online editing and sending system 24 and the input buffer device 31 of the offline EDL creating system 22. In the following description, each video / audio data D10 is uncompressed or low-compressed (for example, MPEG (Moving Picture Experts Group).
p) 2422 profile at main level compression).

The daily server 30 is an AV server capable of high-speed data input / output including a recording / reproducing unit having a disk array configuration and a dedicated data compression / decompression unit represented by, for example, MPEG2, and a system control unit. 26
Under the above control, a plurality of designated video / audio data D10 are simultaneously taken out of the supplied video / audio data D10, and each of them is filed and stored at a specified address position in the recording / reproducing unit. .

On the other hand, under the control of the system controller 26, the input buffer device 31 sequentially takes in the video and audio data D10 of the same system as the daily server 30 from among the supplied video and audio data D10. When the captured video / audio data D10 is faster than real time, the input buffer device 31 outputs the video / audio data D1.
0 is time-divided into a plurality of channels, the video / audio data D10 of each channel is expanded in real time, and the video / audio data D11 of each channel thus obtained is sent to the encoder unit 32. On the other hand, if the fetched video / audio data D10 has a real-time speed, the input buffer device 31 sends the video / audio data D10 to the encoder 32 as it is.

The encoder section 32 sequentially takes in the supplied video / audio data D10 or each video / audio data D11 and converts them into a JPEG (Joint Photographic Experts Groove).
up) method and the like, and encodes the data at a high efficiency of about 2 [Mbps], and sends out the obtained highly compressed encoded data D12 to the clip server 33.

The clip server 33 is an AV server having a recording / reproducing unit having a disk array configuration, and sequentially takes in the input high-compression coded data D12 under the control of the system control unit 26, files it, and records it in a file. It is stored at the specified address position in the playback unit.

The data of each file recorded in the clip server 33 (high compression coded data D12)
Is a plurality of Es connected to the clip server 33.
The data can be read using the DL creation devices 34A to 34N, respectively.

Actually, each EDL making device 34A-34N
In the EDL creation mode, when a command to read a desired file is input by the operator, the clip server 3
By accessing the system controller 26 via the LAN 3 and the LAN 27 in order, and controlling the clip server 33 via the system controller 26, the clip server 3
The high-compression encoded data D12 of the file corresponding to No. 3 is sequentially read.

The EDL creating devices 34A to 34N combine the high-compression coded data D20 read from the clip server 33 and display a video based on the obtained video / audio data on a monitor.

At this time, the operator operates the EDL creation device 3
4A to 34N, the clip server 33 can be controlled to execute a desired operation (playback, rewind, fast forward, etc.). The EDL can be created by inputting various information necessary for editing, such as the IN point and the OUT point, to the EDL creating devices 34A to 34N while visually checking the displayed video.

Further, the EDL creating devices 34A to 34N
The corresponding high-compression encoded data D20 is read out from the clip prober 33 based on the created EDL and decoded, and the obtained video / audio data is processed and edited based on the EDL, and the edited result can be displayed on a monitor. The editing result based on the created EDL can be confirmed by the operator and the director.

The EDL creating devices 34A to 34N
EDL data created using
L data) are the EDL creation devices 34A-34.
N to the system control unit 26 via the clip server 33 and the LAN 27 in order, and
6 is registered as a database in the external storage device 35 under the control of 6.

On the other hand, in the on-air list creation system 23, a database management device 36 having a personal computer configuration, an external storage device 37, and a plurality of personal computers 39A to 39N connected to the database management device 36 via a network 38. These personal computers 39A to 39N can be used to create an on-air list or a manuscript read by an announcer of each news item in each news program.

The data of the created on-air list and the manuscript are registered as a database in the external storage device 37 under the control of the database management device 36, and the data of the on-air list (hereinafter referred to as the on-air list). (Referred to as data) is provided to the system control unit 26 via the LAN 27, and this is registered in the external storage device 35 as a database.

The system controller 26 controls the online editing and sending system 24 based on the EDL data and the on-air list data registered in the external storage device 35.

In practice, the system control unit 26 is composed of a plurality of automatic editing devices connected to the daily server 30 of the online editing and sending system 24.
Is constantly monitored, and when any one of the EDL execution devices 40A to 40C completes the preceding editing process, the EDL data stored in the external storage device 35 is stored in the external storage device 35 based on the on-air list data. , And read it via the LAN 27 via its EDL.
It is sent to the execution devices 40A to 40C.

The EDL execution devices 40A to 40C control the daily server 30 based on the EDL data supplied from the system control unit 26, and the uncompressed or low-compressed video / audio data D10 stored in the daily server 30 The required video / audio data D10 is sequentially read out of them. If the video / audio data D10 is compressed at a low level, the EDL execution devices 40A to 40C decode the video / audio data D10 and then process and edit the video / audio data D10 to a designated state based on the given EDL data. Then, the obtained video and audio data D13A to D13C are transmitted to the encoder unit 32 and the on-air server 41, respectively.

An editing device 42 for manual operation is also connected to the daily server 30, and the operator can read out the video / audio data D10 stored in the daily server 30 using the editing device 42 and edit the data. . Then, the edited video and audio data D13D obtained as a result is sent to the on-air server 41.

Here, first, the encoder unit 32 converts the processed and edited video and audio data D13A to D13C into a JPE as in the case where the above described audio and video data D11 is input.
High-efficiency encoding is performed to about 2 [Mbps] by a predetermined compression method such as the G method, and the high-compression encoded data D14 thus obtained is transmitted to the clip server 33. Thus, the clip server 33 sequentially takes in the high-compression coded data D14 under the control of the system control unit 26, converts it into a file, and stores it in the designated address position in the recording / reproducing unit.

In this case, the data of each file stored in the clip server 33 (edited video / audio data D13
The high compression encoded data D14) including A to D13C is
The data can be read out using the plurality of reference browsing devices 43A to 43N connected to the clip server 33 via the LAN 27.

In practice, each of the reference browsing devices 43A to 43N
In the reference browsing mode, when the operator inputs a command to read out a desired file (the file of the high compression encoded data D14), the clip server 33 and the LAN 27 are read.
, The system controller 26 is sequentially accessed, and the clip server 33 is controlled via the system controller 26 to read out the high-compression encoded data D21 of the file corresponding to the clip server 33.

The reference browsing devices 43A to 43N store the high compression coded data D read from the clip server 33.
21 is composited, a video based on the video and audio data thus obtained is displayed on a monitor, and a voice based on the video and audio data is output from a speaker.

At this time, the operator controls the clip server 33 via the reference browsing devices 43A to 43N,
The clip server 33 can perform a desired operation (playback, rewind, fast-forward, etc.), and thus can visually confirm the editing result of the video displayed on the monitor as necessary. .

On the other hand, the on-air server 41 is an AV server having a recording / reproducing unit having a disk array structure, and sequentially takes in the input video / audio data D13A to D13D under the control of the system control unit 26, and files it. It is stored at a specified address position in the recording / reproducing unit.

Each file data (edited video / audio data D13) recorded in the on-air server 41
A to D13D) thereafter, based on the on-air list data stored in the external storage device 35, the broadcasting time is managed by the on-air terminal 44 of the personal computer connected to the LAN 27, and the system control is performed when the designated time is reached. Under the control of the unit 26, the information is read from the on-air server 41 and sent to a subsequent on-air device (not shown).

As described above, in the news program production / broadcasting system 20, the online editing and sending system 2 is based on the EDL created by the offline EDL creating system 22.
4 uncompressed or low-compressed video / audio data D1
0 to execute the editing process, and transmit the obtained video and audio data D13A to D13D to the on-air device based on the on-air list data, thereby editing the video and audio data to the specified state at the specified time. News video and audio can be broadcast.

In addition to the above configuration, in the case of the news program production / broadcasting system 20, a near-line AV server having an inexpensive and large-capacity recording / reproducing unit such as a MO (Magnnet Optical) chain is provided in the online editing / transmission system 24. A server 45 is provided, and the video / audio data D1 stored in the daily server 30 and the on-air server 41 under the control of the system control unit 26.
0, D13A to D13D are transferred to the nearline server 45, and can be stored in the nearline server 45.

The video / audio data D10 and D13A to D13D stored in the nearline server 45 can be transferred to the daily server 30 and stored in the daily server 30 under the control of the system control unit 26. This makes it possible to increase the storage capacity of the input stage of the online editing and sending system 24 without increasing the storage capacity of the recording / reproducing unit of the daily server 30 having an expensive disk array configuration.

Further, the near-line server 45 uses the SCSI
(Small Computer System Interface) or the like, and is connected to the cart machine 46 in the archive 25 via a predetermined interface, and under the control of the system control unit 26, the video and audio data D1 in the near-line server 45.
0, D13A to D13D are transferred to the cart machine 46 in the archive 25, and the video / audio data D10, D13
A to D13D can be recorded on a predetermined recording medium such as a magnetic tape via the cart machine 46. Thus, in the news program production / broadcasting system 20, necessary video / audio data can be stored as data.

At this time, various management data relating to the contents of the video / audio data D10 and D13A to D13D are supplied from the system control unit 26 via the LAN 27 to the database management device 47 having a personal computer connected to the archive 25. . The various management data is provided to the external storage device 48 under the control of the database management device 47 and stored as a database.

Further, at this time, under the control of the system controller 26, the database management device 47 of the archive 25 transmits the video / audio data D1 from the database management device 36 of the on-air list creation system 23 via the LAN 27.
0, the original data corresponding to D13A to D13D can be transferred, and can be registered as a database in the external storage device 48 under the control of the database management device 47.

Also, video and audio data D10 recorded on a recording medium such as a magnetic tape stored in the archive 25,
D13A to D13D are reproduced by the cart machine 46 and input buffer device 31 of the offline EDL creation system 22.
The data can be transferred to the daily server 30 of the online editing and sending system 24, so that the stored video and audio data D10 and D13A to D13D can be used again for editing.

The news program production and broadcasting system 2
In the case of 0, a lighting terminal 49 having a personal computer configuration is connected to the LAN 27, and the input / output device 31 and the daily server 30 are used to specify the video / audio data D10, Specified video / audio data D
The user can input a file name of 10 and confirm the contents of the video / audio data D10 recorded in the daily server 30.

This news program production and broadcasting system 2
In the case of 0, an EDL preview terminal 50 having a personal computer configuration is also connected to the LAN 27,
The EDL data stored in the external storage device 35 is read out using the EDL preview terminal 50, edits based on the EDL data are executed by any of the EDL execution devices 40A to 40C, and the execution results are displayed in the EDL.
It can be displayed on a monitor (not shown) connected to the L execution devices 40A to 40C and output from a speaker.

Further, in the case of the news program production / broadcasting system 20, desired file data (edited video / audio data D13A to D13D) stored in the on-air server 41 is read out using the on-air terminal 44.
The video and audio based on the file data can be displayed on a monitor (not shown) connected to the on-air server 41 and output from a speaker, so that the operator can pre-edit the edited news video actually broadcast before the broadcast. It has been made so that you can check.

(2) Various Processes of System Control Unit In the news program production / broadcasting system 20, the EDL creation process, the editing process of the video and audio data D10, and the reference browsing process of the edited video are performed by the system. It is performed under the control of the control unit 26.

In practice, as shown in FIG. 2, the system control unit 26 controls the EDL creating device 3 based on the operation of the operator.
When a request to view a file stored in the clip server 33 is obtained from 4A to 34N, the clip server 3
When a permission is obtained from the control unit 33A of the clip server 33 as a result, a browse permission is given to the corresponding EDL creation devices 34A to 34N.

When the system controller 26 obtains a command to browse a predetermined file from the EDL generators 34A to 34N, the controller 33A of the clip server 33 thereafter.
Is given to the file reproduction command specified by the browsing command, so that the control unit 33A of the clip server 33 is
And reads the corresponding highly-compressed encoded data D20 from the recording / reproducing unit 33B via the
It is sent to the DL creation devices 34A to 34N.

In this manner, the system control unit 26 thereafter executes the same operation every time a browsing request is obtained from the EDL creating devices 34A to 34N, thereby converting the high-compression coded data D20 of the specified file into a file. Are sequentially displayed on the monitors of the EDL creating devices 34A to 34N.

Further, the system control unit 26 thereafter sends the EDL
When the created EDL registration request and EDL data are obtained from the creating devices 34A to 34N, they are stored in the external storage device 35.

Further, the system control unit 26 constantly monitors the operation state of each of the EDL execution devices 40A to 40C, and when any one of the EDL execution devices 40A to 40C becomes idle, reads the EDL data from the external storage device 35, This is sent to the empty EDL execution devices 40A to 40C.

In this way, when a request for reproducing the video / audio data D10 to be edited based on the EDL is received from the EDL execution devices 40A to 40C in this manner, the system control unit 26 sends the request to the control unit 30A of the daily server 30. A playback request is given and the control unit 41 of the on-air server 41
A and a recording request are given to the control unit 33A of the clip server 33.

As a result, the system control unit 26 controls the control unit 30A of the daily server 30 and the on-air server 4
1 and the control unit 3 of the clip server 33
When permission is obtained from 3A, the daily server 3
By giving a reproduction command of the designated video / audio data D10 to the control unit 30A of the
Then, the video / audio data D10 is read from the recording / reproducing unit 30B via the control unit 30A, and transmitted to the corresponding EDL execution devices 40A to 40C.

At this time, the system control unit 26 gives the recording request to the control unit 41A of the on-air server 41 and the control unit 33A of the clip server 33, and at this time,
The edited video and audio data D13A to D13C output from the DL execution devices 40A to 40C are sequentially stored in the recording and reproducing unit 41B of the on-air server 41, and the edited video and audio data D13A to D13C are encoded with high efficiency. Then, it is stored in the recording / reproducing unit 33B of the clip server 33.

Thereafter, when a request for browsing a file stored in the clip server 33 is obtained from the reference browsing devices 43A to 43N based on the operation of the operator, the system control unit 26 sends the request to the control unit 33A of the clip server 33. While the reproduction request is given, the clip server 3
When the permission is obtained from the control unit 33A of the third reference, the reading permission is given to the corresponding reference browsing devices 43A to 43N.

When the system controller 26 obtains a file browsing command from the reference browsing devices 43A to 43N, the system controller 26 provides the controller 33A of the clip server 33 with a file reproducing command specified by the browsing command. As a result, the high-compression encoded data D21 of the corresponding file is read from the recording / reproducing unit 33B via the control unit 33A of the clip server 33, and transmitted to the corresponding reference browsing devices 43A to 43N. In this way, the system control unit 26 performs the same operation each time a file browsing request is obtained from the reference browsing devices 43A to 43N, and executes the high compression encoding data D21 of the designated file.
Reference viewing device 43A corresponding to the edited video based on the
To the corresponding reference browsing devices 43A to 4N.
Output from 3N speaker.

(3) Operation and Effect of Embodiment In the above configuration, the news program production / broadcasting system 2
In the case of 0, first, the uncompressed or low-compressed video / audio data D10 obtained by the news gathering is stored in the daily server 30, and the video / audio data D10 is highly efficiently coded and stored in the clip server 33. Then, the high-compression encoded data D20 stored in the clip server 33 is
The images are read out by the L creating devices 34A to 34N, and an image based on the readout is displayed on a monitor, and an EDL is created based on the image. The EDL created in this way is registered in the external storage device 35.

In the news program production / broadcasting system 20, the EDL data stored in the external storage device 35 is read out as necessary and transmitted to the EDL execution devices 40A to 40C. The corresponding video / audio data D10 read from the daily server 30 is edited based on the data.
At this time, the edited video and audio data D13A to D13C obtained from the EDL execution devices 40A to 40C are stored in the on-air server 41, and the video and audio data D13A to D13C are highly efficiently encoded and stored in the clip server 33. To be stored.

As described above, in the news program production / broadcasting system 20, the edited high-compression encoded data D21 stored in the clip server 33 is referred to by the reference browsing device 43.
A to 43N to read out and display a video based on the readout on a monitor, and output a sound based on the high compression coded data D21 from a speaker.

In this case, the news program production broadcasting system 2
0, the edited uncompressed or low-compressed video / audio data D obtained from the EDL execution devices 40A to 40C.
13A to D13C are encoded with high efficiency and the clip server 3
3 is stored in the conventional news program production / broadcasting system 1 (FIG. 3).
Assuming that the V server 3 (FIG. 3) and the clip server 33 have the same configuration, the transfer capability of the clip server 33 can be markedly higher than that of the second AV server 3. Therefore, the number of reference browsing devices 43A to 43N that can be connected to the clip server 33 can be significantly increased as compared with the number of reference browsing devices 7A to 7N that can be connected to the second AV server 3.

In addition, each of the reference browsing devices 43A to 43A
Since N is connected to the clip server 33 via the LAN 27, N can be installed in a plurality of rooms where programs are created. That is, the related viewing person who is involved in the program creation in each room is provided with the reference browsing device 4 in his own room.
Using 3A to 43N, the editing result of the actually broadcasted news video can be confirmed before the broadcast.

This news program production and broadcasting system 2
0, the clip server 33 sends the EDL creation device 34A
To 34N, the high-compression encoded data D20 before editing is read out, and the reference browsing device 4 is read from the clip server 33.
Since the high-compression encoded data D21 edited by using 3A to 43N can be read, a portion obtained by processing and editing in one video and a corresponding portion before editing are equalized. By confirming whether or not there is an error, it is possible to know whether or not an error has occurred in the data on the LAN 27 or the like between the offline EDL creating system 22 and the online editing and sending system 24. It can be used for maintenance and inspection.

According to the above configuration, the uncompressed or low-compressed video / audio data D10 obtained by the news gathering is stored in the daily server 30, and the video / audio data D10 is encoded with high efficiency to the clip server 33. , And based on the high-compression encoded data D20 stored in the clip server 33, each of the EDL creating devices 34A to 34A
N to create an EDL, each of the EDL creation devices 34A to 34A-3
4N, the corresponding video / audio data D10 stored in the daily server 30 is processed and edited by each of the EDL execution devices 40A to 40C, and the video / audio data D13A to D13C thus obtained is converted to a high-efficiency code. And stored in the clip server 33, and the high-compression encoded data D21 stored in the clip server 33
Is read out using the reference browsing devices 43A to 43N, the video based on the readout is displayed on the monitor, and the sound is output from the speaker, so that the number of reference browsing devices 43A to 43N that can be connected to the clip server 33 can be reduced. It is possible to greatly increase the number of the reference browsing devices 43A to 43N installed in a plurality of rooms where programs are created. In addition, it is possible to confirm the editing result of the actually broadcast news video before the broadcast, and thus to realize a news program production / broadcasting system capable of improving the work efficiency of program creation.

(4) Other Embodiments In the above embodiment, the EDL execution device 40
Edited video / audio data D obtained by A to 40C
13A to 13C in the encoder unit 32
A case has been described in which a high-efficiency encoding is performed to about 2 [Mbps] by a predetermined compression method such as a compression method, but the present invention is not limited to this. The compression may be higher than the high efficiency coding of [Mbps]. As a result, the transfer capability of the clip server 33 can be further increased, and the number of the reference browsing devices 43A to 43N can be further increased accordingly.

In the above embodiment, the EDL
The case where the edited video and audio data D13A to D13C obtained by the execution devices 40A to 40C are stored in the clip server 33 via the encoder unit 32 has been described. However, the present invention is not limited to this. The clipped video data D13A to D13C may be stored in the clip server 33 via the input buffer unit 31 and the encoder unit 32 sequentially.

Further, in the above-described embodiment, a case has been described where the video edited by the reference browsing devices 43A to 43N can be browsed and browsed. However, the present invention is not limited to this. By using 43N, the video before editing may be referred to and viewed in addition to the edited video. Thereby, the reference browsing devices 43A to 43A
N can be improved in usability.

Further, in the above-described embodiment, the daily server 30 serves as the first storage and holding means for storing and holding the supplied uncompressed or low-compressed video signal D10.
Has been described, but the present invention is not limited to this. If the supplied uncompressed or low-compressed video signal D10 can be stored and held, various other configurations such as a memory may be used. May be applied.

Further, in the above-described embodiment, the encoder unit 32 and the clip server 33 are applied as second storage and holding means for storing and holding the supplied uncompressed or low-compressed video signal D10 with high compression. However, the present invention is not limited to this. If the supplied uncompressed or low-compressed video signal D10 can be highly compressed and stored and held, various other configurations are available. The second storage means may be applied.

Further, in the above embodiment, the second
EDL creation devices 34A to 34N are applied as a list creation unit that creates a list that defines the editing execution order based on the highly compressed video signal D20 stored and held in the storage holding units 32 and 33 However, the present invention is not limited to this, and the second storage unit 3
2 and 33, the highly compressed video signal D2
If a list that defines the editing execution order can be created based on 0, various other list creating means may be applied.

Further, in the above-described embodiment, the second
The case where the reference browsing devices 43A to 43N are applied as image display means for displaying an image based on the highly-compressed image signal D21 stored and held in the storage and holding means 32 and 33 of the present invention has been described. Is not limited to this,
As long as an image based on the highly-compressed image signal D21 stored and held in the second storage and holding means 32 and 33 can be displayed, various other image display means may be applied.

Further, in the above-described embodiment, the uncompressed or low-compressed video signal D10 stored and held in the first storage and holding means 30 is based on the list created by the list creating means 34A to 34N. The case where the EDL execution devices 40A to 40C are applied as the editing means for processing and editing has been described. However, the present invention is not limited to this, and the first processing is performed based on the list created by the list creating means 34A to 34N. If the uncompressed or low-compressed video signal D10 stored and held in the storage and holding means 30 can be processed and edited, various other editing means may be applied.

Further, in the above-described embodiment, a case has been described in which the present invention is applied to the news program production / broadcasting system 20, but the present invention is not limited to this.
The present invention may be applied to various other video signal processing devices capable of processing and editing the supplied video signal.

[0084]

As described above, according to the present invention, the first uncompressed or low-compressed video signal to be supplied is stored and held.
, A second storage and holding means for storing the video signal in a highly compressed state, and an editing execution order based on the highly compressed video signal stored and held in the second storage and holding means. List creation means for creating a list to be
Video display means for displaying a video based on the highly compressed video signal stored and stored in the storage means, and an uncompressed or low-compressed video stored and held in the first storage means based on the list Editing means for processing and editing the signal, supplying the video signal processed and edited by the editing means to the second storage and holding means, and highly compressing the processed and edited video signal by the second storage and holding means. The video display means displays the video based on the processed and edited video signal stored and held in the second storage holding means, so that the video can be connected to the second storage holding means. The number of display means can be greatly increased, so that video display means can be placed in multiple rooms where program production is performed, and related workers involved in program creation in that room can actually be It is possible to confirm the edited result of news video to be broadcasted prior to the broadcast, thus it is possible to realize a video signal processing apparatus capable of improving the work efficiency of the program production.

Further, according to the present invention, while the supplied uncompressed or low-compressed video signal is stored and held, the video signal is compressed and stored at a high compression rate, and the video signal is stored and held based on the highly-compressed video signal. Create a list that defines the editing execution order,
Based on the created list, the uncompressed or low-compressed video signal is processed and edited, and the obtained and edited video signal is highly compressed, stored and retained, and the processed and edited video signal is processed. By displaying video based on the video, multiple operators involved in program creation can check the edited result of the news video that is actually broadcast before the broadcast while staying in their room. Thus, it is possible to realize a video signal processing method capable of improving the work efficiency of program production.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of a news program production and broadcast system according to the present invention.

FIG. 2 is a schematic diagram for explaining various processes controlled by a system control unit;

FIG. 3 is a block diagram showing the configuration of a conventional news program production and broadcast system.

[Explanation of symbols]

20, a news program production and broadcasting system, 26, a system control unit, 30 a daily server, 31 an input buffer device, 32 an encoder unit, 33 a clip server, 34A to 34N, an EDL creation device, 35 ...
External storage device, 40A to 40C: EDL execution device, 4
1. On-air server, 43A to 43N: Reference browsing device.

Claims (5)

[Claims] A first storage means for storing and holding the supplied uncompressed or low-compressed video signal; and a high-compression storage for the supplied uncompressed or low-compressed video signal. A second storage unit; a list creation unit that creates a list defining an editing execution order based on the highly-compressed video signal stored and held in the second storage unit; Video display means for displaying an image based on the highly compressed video signal stored and held in the storage means; and storage and storage in the first storage and storage means based on the list created by the list creation means Editing means for processing and editing the uncompressed or low-compressed video signal, wherein the editing means supplies the processed and edited video signal to the second storage means, and the second storage means Is The processed and edited video signal supplied from the editing means is highly compressed and stored and held, and the video display means is a video based on the processed and edited video signal stored and held in the second storage and holding means. A video signal processing device for displaying a video signal. 2. The first storage and holding means stores and holds an uncompressed or low-compressed audio signal supplied together with the video signal, and the second storage and holding means is supplied with the video signal. The video signal is highly compressed and stored, and the video display means outputs a voice based on the voice signal stored and held together with the video signal to the second storage and holding means. Based on the list, the uncompressed or low-compressed video signal and audio signal stored and held in the first storage and holding means are processed and edited, and the processed and edited video signal and audio signal are converted into the second and 2. The video signal processing apparatus according to claim 1, wherein the video signal is supplied to a storage unit. 3. The video signal processing apparatus according to claim 1, wherein said video display means is connected to said second storage means via a network. 4. A storage / holding step for storing and holding the supplied uncompressed or low-compressed video signal while storing and holding the video signal at a high compression rate, and editing based on the high-compression video signal. A list creation step for creating a list defining an execution order; an editing step for processing and editing the uncompressed or low-compressed video signal based on the list created in the list creation step; A video signal processing method, comprising: storing and holding the obtained processed and edited video signal with high compression; and displaying a video based on the video signal. 5. The storage and holding step stores and holds an uncompressed or low-compressed audio signal supplied together with the video signal, and stores and holds the audio signal after being highly compressed. Based on the list created in the list creation step, the uncompressed or low-compressed video signal and audio signal are processed and edited. In the video display step, the processing and editing obtained in the processing and editing step are performed. 5. The video signal processing method according to claim 4, wherein the video signal and the audio signal are highly compressed, stored and held, and an audio based on the audio signal is output.