JP3664175B2 - Editing method and editing system - Google Patents

Description

  The present invention relates to a video signal editing method and editing system.

  2. Description of the Related Art Conventionally, a broadcasting station or the like is configured to capture a desired subject with a camera-integrated video tape recorder at a news gathering site, a location site, etc., and edit it for use later in broadcasting.

  That is, in so-called off-line editing, which is an editing operation of this kind, an original tape cassette photographed by a camera-integrated video tape recorder is copied to create an editing tape cassette. Further, after the editing target video cassette is selected using the editing tape cassette, an in-point out point or the like is set for the editing target video. As a result, in this editing operation, data for editing is created, and an editing list is created by recording the video to be edited, the in-point-out point, etc. from this data.

  In the editing operation, the video recorded on the original tape cassette is selectively re-recorded in accordance with the editing list in the subsequent main editing to create a tape cassette for program broadcasting. As a result, in broadcasting stations and the like, a program of about 90 minutes, for example, is usually created from about 100 original tape cassettes.

  By the way, in this main editing, when a program of about 90 minutes is created from about 100 original tape cassettes, it is necessary to definitely load the original tape cassette into the video tape recorder according to the editing list.

  For this reason, the conventional editing apparatus has a problem that a great deal of labor is required for searching the original tape cassette and replacing the apparatus in the main editing. If this labor can be reduced, the editing work can be simplified accordingly.

  The present invention has been made in consideration of the above points, and an object of the present invention is to propose an editing method and an editing system capable of simplifying the editing work as compared with the prior art.

  The editing method according to the present invention includes a second video signal generated by playing back a first recording medium on which information related to shooting for specifying a recording medium is recorded together with a first video signal of an imaging result. Is recorded on the second recording medium, and an edit list including information related to shooting for specifying the recording medium is created based on the second video signal of the second recording medium, and based on the edit list Thus, the first recording medium is automatically and sequentially reproduced.

  In addition, the editing system according to the present invention generates a second recording medium that is generated by playing back a first recording medium on which information related to photographing for specifying the recording medium is recorded together with the first video signal of the imaging result. Recording means for recording a video signal on a second recording medium, and editing for creating an edit list including information related to shooting for identifying the recording medium based on the second video signal of the second recording medium And a list creating means for automatically and sequentially reproducing the first recording medium based on the edit list, and recording the reproduced video signal on a third recording medium.

  As described above, according to the present invention, each recording medium is recorded on each recording medium with information relating to shooting that identifies each recording medium, together with the imaging result, and in this editing, each recording medium is recorded on the basis of this information. By selectively reproducing, the editing operation can be unmanned, and the editing operation can be simplified as compared with the conventional method.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings as appropriate.

(1) First Embodiment FIG. 1 is a block diagram showing a camera-integrated video tape recorder according to a first embodiment of the present invention. In this camera-integrated video tape recorder 1, in addition to a video signal, an audio signal, and a time code of a subject, information related to shooting for specifying a recording medium is recorded on a magnetic tape.

  In other words, in the camera-integrated video tape recorder 1, the audio processing circuit 2 amplifies the audio signal of the subject, then performs analog-digital conversion processing and outputs the result. The image processing circuit 3 receives a video signal in the form of a digital signal from an imaging unit (not shown), and compresses and outputs the video signal. The time code generation circuit 4 generates a time code that advances sequentially from the beginning of the magnetic tape, and outputs data of this time code.

  The modulation circuit 5 receives the output data of the audio processing circuit 2, the image processing circuit 3, and the time code generation circuit 4, processes the data by a specified data processing circuit, and sequentially outputs them at a specified timing. Thus, the camera-integrated video tape recorder 1 drives the magnetic head 6 by the output signal of the modulation circuit 5 and records these data on the magnetic tape stored in the tape cassette 7.

  In addition to such a general magnetic recording system configuration, in the camera-integrated video tape recorder 1, the additional information generating circuit 8 generates information related to photographing that can specify the recording medium, and modulates the information. This information is recorded on the magnetic tape via the circuit 5.

  That is, in the camera-integrated video tape recorder 1, the timer 9 sequentially generates shooting date / time data D 1 and outputs the data D 1 to the additional information generation circuit 8. On the other hand, the counter 10 is formed so as to increment the count value every time the tape cassette 7 is loaded, and outputs the count value D2 to the additional information generation circuit 8. As a result, the camera-integrated video tape recorder 1 generates serial number (that is, reel number) data for the tape cassette loaded in the camera-integrated video tape recorder 1.

  The input means 11 is formed so as to be able to input text data in response to an operation of an operation element arranged in the camera-integrated video tape recorder 1, and in the camera-integrated video tape recorder 1, the input means 11 is It is possible to input the photographer's name and shooting location data D3 by operating.

  The memory 12 is formed of an EPROM (Erasable Programmable Read Only Memory), and is configured to record data of the format and serial number of the camera-integrated video tape recorder 1 recorded at the time of shipment from the factory. The memory 12 holds the text data D3 input via the input unit 11, and is configured to update the text data D3 in response to the operation of the input unit 11. The text data D3, format, The serial number data D4 is output to the additional information generation circuit 8.

  The additional information generation circuit 8 collects the data D1 to D4, generates information related to photographing for specifying the recording medium, and records this information on the magnetic tape via the modulation circuit 5. That is, in the shooting of this broadcast program, there are cases in which a plurality of shooting staff simultaneously shoot at a plurality of shooting sites, and the difference between these shooting staff is the format, serial number, shooting of the camera-integrated video tape recorder 1 Can be identified by location.

  In this type of shooting site, a single shooting site is used to shoot various subjects by replacing the tape cassette of the video tape recorder 1 with an integrated camera. In this case, the plurality of tape cassettes can be identified by the serial number of the tape cassette. Further, there may be a case where a plurality of camera-integrated video tape recorders are used at this one shooting site, and the same shooting site may be shot at a different date and time. In this case, the difference between these photographing equipments and photographing sites can be identified by the format, serial number, and photographing date and time of the camera-integrated video tape recorder 1.

  Thus, if at least the format of the video tape recorder 1 integrated with the camera, the serial number data D4, the tape cassette serial number data D2, the shooting location data D3, and the shooting date and time data D1 are recorded in each tape cassette 7, these Data unique to each tape cassette 7 can be assigned by the data D1 to D4. As a result, the camera-integrated video tape recorder 1 allows a necessary tape cassette to be selected from a plurality of tape cassettes 7 recorded for creating a broadcast program on the basis of this information at a later date. It is formed so that the efficiency of editing work can be improved by reducing the labor. Incidentally, since it is considered that a photographer may have the same surname, the photographer's data D3 can be used for selecting an editing target together with other shooting location data in offline editing.

  FIG. 2 is a schematic diagram showing a recording format of a magnetic tape formed by the camera-integrated video tape recorder 1. In this camera-integrated video tape recorder 1, an oblique track is sequentially formed on the magnetic tape 14, and the oblique track is divided to record an audio signal, a video signal, and information related to shooting for specifying a recording medium. That is, on the magnetic tape 14, the areas on the scan start end side and the scan end end side of the oblique track are allocated to the video signal recording area ARV, and the data-compressed video signal is recorded in the recording area ARV.

  In the magnetic tape 14, the area of the central portion of the remaining oblique track is divided into two, and an audio signal is recorded in the divided area ARA on the scanning end side. Further, on the magnetic tape 14, information related to photographing for specifying the recording medium is recorded in the area ARD on the scanning start end side divided into two. Further, on the magnetic tape 14, two recording tracks are formed in the longitudinal direction of the lower end, and a time code is recorded on one recording track TR1 among them, while an analog signal is recorded on the remaining recording track TR2. An audio signal is recorded.

  Thus, the magnetic tape 14 is formed so that even if fast-forward playback is performed, the time code can be reproduced without omission, and information related to shooting for specifying the recording medium can also be obtained intermittently during fast-forward playback. It is formed so that it can be demodulated from the reproduction signal.

  FIG. 3 is a block diagram showing an editing apparatus for main editing of a magnetic tape recorded by the camera-integrated video tape recorder 1 or the like. Here, the editing operation to which the editing apparatus 20 is applied is that a copy tape cassette is created from an original tape cassette created by the camera-integrated video tape recorder 1 or the like in advance in offline editing, and this copy tape is used. Based on the cassette, an editing list is created in which imaging results to be edited, in-point out points of each imaging result, and the like are set in the order of program broadcasting. The editing device 20 executes the main editing process according to the editing list created by this offline editing, and creates a program broadcast tape cassette from the original tape cassette.

  In this pre-offline editing, in this embodiment, when a copy tape cassette is created from an original tape cassette, information related to shooting for specifying a recording medium of each original tape cassette is converted into a video signal, Along with the audio signal time code, it is recorded on a copy tape cassette. Further, in this offline editing, when the copy tape cassette is reproduced and an edit list is created, the recording medium of the tape cassette in which the edit target is recorded is specified together with the time code of the in point and the out point. Add information related to shooting to the data in the edit list.

  As a result, the editing apparatus 20 automatically selects the tape cassettes sequentially specified by the editing list from a large number of original tape cassettes according to the information added to the editing list, and executes the main editing process.

  That is, in this editing apparatus 20, the automatic program recording / reproducing apparatus 21 selectively reproduces a plurality of tape cassettes stored in the tape cassette storage shelf 22 by the video tape recorder 23 and, if necessary, reproduces them by the video tape recorder 24. Record the result. Here, the tape cassette storage shelf 22 has a plurality of tape cassette storage positions each assigned an identification number, and stores the original tape cassette for main editing at each tape cassette storage position.

  The tape cassette transport mechanism 26 is controlled by the system control circuit 27 to switch the operation, and transports the original tape cassette from each tape cassette storage position to the video tape recorder 23 based on the identification number assigned to the tape cassette storage position. The original tape cassette is loaded into the video tape recorder 23. On the contrary, the tape cassette transport mechanism 26 transports the original tape cassette discharged from the video tape recorder 23 to the tape cassette storage shelf 22 and stores it in the original tape cassette storage position.

  The video tape recorders 23 and 24 are controlled by the system control circuit 27 to switch the operation and execute the recording / playback process. In this editing, the original tape cassette loaded in the video tape recorder 23 is used as a reference for the time code. Thus, playback is performed for a period specified by the system control circuit 27, and the playback result is recorded by the video tape recorder 24. Further, the video tape recorders 23 and 24 reproduce the original tape cassettes at the respective tape cassette storage positions conveyed by the tape cassette conveying mechanism 26 before the actual editing, and specify the recording medium recorded in each original tape cassette. Information related to photographing is reproduced and output to the system control circuit 27.

  As a result, in the automatic program recording / reproducing apparatus 21, the system control circuit 27 identifies information related to photographing for specifying a recording medium and identification of each tape cassette storage position with respect to the original tape cassette previously stored in each tape cassette storage position. In this editing, the original tape cassette stored in the corresponding tape cassette storage position is transported to the video tape recorder 23 in accordance with the edit list data sequentially input. Has been made.

  That is, in the editing device 20, the hard disk device 28 records the data of the edit list created by offline editing, and sequentially outputs the data of the edit list in response to a request from the computer 29. The computer 29 issues a control command to the automatic program recording / reproducing apparatus 21 in response to the operation of the keyboard 30 and the mouse 31, and the correspondence relationship between the tape cassette storage position and the information related to photographing for specifying the recording medium. Is grasped by the system control circuit 27. Further, when the operator instructs the start of the main editing, the computer 29 sequentially reads out the editing list data from the hard disk device 28 and outputs it to the system control circuit 27, whereby the original tape cassette designated by this editing list is transferred to the video tape. The data is sequentially reproduced by the recorder 23 and recorded by the video tape recorder 24.

  In this way, the editing apparatus 20 can identify each original tape cassette automatically based on information relating to photographing for specifying the recording medium, and can automatically convey and edit the original tape cassette, thereby reducing the labor required to replace the conventional original tape cassette. This can be omitted, and the editing work can be simplified accordingly.

  The computer 29 displays a menu or the like that can be selected via the monitor 32 when executing this series of operations, and in this editing, displays an editing list to display the progress of the editing operation. Thus, it is formed so that the usability can be improved.

  In the above-described configuration, the camera-integrated video tape recorder 1 (FIG. 1) is carried at the shooting site and images a desired subject, and the imaging result is recorded on the tape cassette 7 together with the audio signal and the time code. At this time, the format and serial number data D4 of the camera-integrated video tape recorder 1, the shooting location, the cameraman data D3, the shooting date and time data D1, and the serial number data D2 of the tape cassette 7 are recorded on the tape cassette 7. As a result, information relating to photographing, which is unique to the tape cassette 7 formed by these data D1 to D4, is recorded.

  This tape cassette 7 is a copy tape cassette formed by recording information related to photographing for specifying video signals, audio signals, time codes and recording media in off-line editing. Is formed. At this time, the editing list is formed by adding information related to shooting of the corresponding tape cassette.

  As a result, in the main editing, the original tape cassette is selectively reproduced by the video tape recorder 23 according to the editing list on the basis of information relating to shooting for specifying the recording medium added to the editing list. Are recorded by the video tape recorder 24 to form a tape cassette for program broadcasting.

  According to the above configuration, at the time of shooting, each tape cassette is recorded with information related to shooting that specifies the recording medium on each recording medium related to shooting, and at the time of actual editing, this information is used as a reference. By selectively reproducing each tape cassette, the main editing work can be unmanned. Thereby, the replacement work of the conventional original tape cassette can be omitted, and the editing work can be simplified.

(2) Other Embodiments In the above-described embodiment, the case where an original tape cassette is copied and an edit list creation copy tape cassette is created in off-line editing has been described. Not limited, it may be created at the time of shooting. That is, FIG. 4 is a block diagram showing a camera-integrated video tape recorder according to another embodiment.

  This camera-integrated video tape recorder 40 is formed so that a hard disk device 41 can be connected to the back surface, and in the same manner as the tape cassette 7, a video signal, an audio signal, a time code, and a recording medium are specified on the hard disk device 41 for shooting. Record related information D1-D4. 4 that are the same as those in FIG. 1 are denoted by the corresponding reference numerals, and redundant descriptions are omitted. In this case, in the camera-integrated video tape recorder 40, the resolution of the video signal is reduced and recorded in the hard disk device 41 as compared with the case of recording in the tape cassette 7, and as much as the tape cassette, Recording for a long time so as to correspond to the tape cassette.

  As a result, the camera-integrated video tape recorder 40 can create an edit list by using the imaging results recorded by the hard disk device 41, thereby shortening the time required for creating the copy tape cassette and editing work. Efficiency can be improved. In addition, by creating an edit list using the hard disk device, it is possible to shorten the time required for access to the edit target, thereby simplifying the editing operation. In this case, the same effect can be obtained by recording with an IC card or the like instead of the hard disk device 41.

  Further, in the above-described embodiment, the case has been described in which the imaging result is recorded on the magnetic tape by the video tape recorder integrated with the camera, and this is edited. The present invention can be widely applied to a case where an imaging result is recorded by a recording medium and edited.

1 is a block diagram showing a camera-integrated video tape recorder according to a first embodiment of the present invention. FIG. 2 is a schematic diagram showing a recording format by the camera-integrated video tape recorder of FIG. 1. 1 is a block diagram showing an editing apparatus according to a first embodiment of the present invention. It is a block diagram which shows the camera integrated video tape recorder which concerns on other embodiment.

Explanation of symbols

1, 40 Camera-integrated video tape recorder, 7 tape cassette, 9 timer, 10 counter, 11 input means, 12 memory, 20 editing device, 21 automatic program recording / playback device

Claims (2)

In an editing method for editing a video signal,
A second video signal generated by reproducing the first recording medium on which information related to shooting for specifying the recording medium is recorded together with the first video signal of the imaging result is recorded on the second recording medium. And
Based on the second video signal of the second recording medium, an edit list including information related to shooting for specifying the recording medium is created,
An editing method comprising: automatically and sequentially reproducing the first recording medium based on the editing list. In an editing system for editing video signals,
A second video signal generated by reproducing the first recording medium on which information related to shooting for specifying the recording medium is recorded together with the first video signal of the imaging result is recorded on the second recording medium. Recording means to
Edit list creating means for creating an edit list including information related to photographing for specifying the recording medium based on the second video signal of the second recording medium;
With
An editing system, wherein the first recording medium is automatically and sequentially reproduced based on the editing list, and the reproduced video signal is recorded on a third recording medium.

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