JP3774515B2 - Editing function built-in playback device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a playback device with an editing function having an editing function for editing an information signal recorded on a recording medium using another device.
[0002]
[Prior art]
2. Description of the Related Art A dubbing editing system is known in which a video signal recorded on a recording medium such as a video tape is dubbed and recorded on another recording device such as a video tape recorder.
[0003]
For example, when editing a video signal recorded on a recording medium, the above dubbing editing system sets one cut from an arbitrary position to an arbitrary position on the recording medium as a plurality of cuts in advance as an editing program. Dubbing is performed by sequentially searching, reproducing, and supplying the video signals of a plurality of cuts recorded on the recording medium in accordance with a preset editing program and supplying them to other recording devices. Records and edits.
[0004]
[Problems to be solved by the invention]
By the way, in the dubbing editing system as described above, when an editing program is set, for example, when an end position of an arbitrary cut is set at the end of the recording medium, the head is actually moved to the end of the recording medium. The last position on the recording medium must be set as the cut-out point that is the end position of the cut, and the editing program setting operation is very troublesome.
[0005]
Further, in the dubbing editing system as described above, among the set editing programs, there is an editing program in which the cutout point as described above is set at the end of the recording medium, and the editing program If the editing sequence is not the last and multiple editing programs are set so that another editing program follows the editing program, the other editing programs following the editing program are actually executed. In addition, since the user was not particularly notified of this, there was a problem that editing work different from what the user intended was actually performed.
[0006]
The present invention solves the conventional problems as described above, and designates the end of the recording medium when editing from the arbitrary point to the end of the recording medium as one cut when setting the editing program. It is possible to easily set the editing program without any change, and when executing the editing processing operation according to the plurality of editing programs, the user can indicate the progress of the editing processing operation according to the plurality of editing programs. An object of the present invention is to provide a playback apparatus with a built-in editing function that can accurately convey information.
[0007]
[Means for Solving the Problems]
The playback device with a built-in editing function according to the present invention searches for an arbitrary information signal recorded on a mounted recording medium, plays back the searched information signal, and outputs it to another device. One program can set at least one editing program configured by designating an editing start point and an editing end point on the recording medium. When the editing program is set, the editing end When the point is not specified, the editing program is automatically set as the editing end point of the editing program is set at the end of the recording medium, and the set editing program is stored in advance. Controlling the reproducing means to search and reproduce the information signal recorded on the recording medium in accordance with the editing program stored in advance; In which a control means for controlling the other devices so as to perform editing recording operation in accordance with the editing program.
[0008]
(Function)
With the configuration described above, when setting an editing program, if it is desired to edit from one point to the end of the recording medium as one cut, the editing program is simply set without specifying the end of the recording medium. In addition, when executing an editing processing operation according to a plurality of editing programs, the progress of the editing processing operation according to the plurality of editing programs can be accurately communicated to the user. .
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
[0010]
FIG. 1 is a block diagram showing a schematic configuration of a camera-integrated video tape recorder (VTR) to which the present invention is applied as an embodiment of the present invention.
[0011]
In FIG. 1, an image pickup unit 1 includes an image pickup optical system, an image pickup element, an autofocus mechanism, a zoom mechanism, and the like. The optical image is converted into a video signal and output to the camera signal processing unit 2. The camera signal processing unit 2 performs predetermined signal processing on the video signal from the imaging unit 1 in accordance with a control signal from the camera system control unit 3 and sends it to the VTR block 6.
[0012]
The VTR block 6 includes a video / audio signal processing unit, a rotating head and a magnetic tape traveling mechanism as a recording medium, a driving unit that drives the mechanical unit, a servo control unit that servo-controls the driving unit, and the like. In accordance with a control signal from a system control unit 5 described later, a video signal is recorded and played back on the magnetic tape. For example, a video signal reproduced from the magnetic tape is supplied to an EVF unit 10 described later. At the same time, it is output to another device from an external output terminal (not shown).
[0013]
The OSD (on-screen display) control unit 9 generates a character video signal for on-screen display for notifying the operator of various information according to the control signal and data from the system control unit 5 and supplies it to the EVF unit 10. In addition, a video signal to be recorded and an information signal such as a date and time to be superimposed on the reproduced video signal are generated and supplied to the VTR block 6, or the main body of characters and symbols displayed on the EVF unit 10 as will be described later. An on-screen character video signal indicating various information and a guide display at the time of menu setting is supplied to other devices via an VTR block 6 from an external output terminal (not shown). The EVF 10 is an electronic viewfinder composed of a CRT or a liquid crystal display panel that displays video, displays the video indicated by the captured video signal and the playback video signal, and various information on the main body using characters and symbols supplied from the OSD control unit 9. And an on-screen character video signal indicating a guide display at the time of menu setting is also displayed.
[0014]
The system control unit 5 includes a microcomputer or the like that comprehensively controls various functions of the camera-integrated VTR according to the present embodiment, and has various functions including a timer function. Responsible for control of the power supply mode, control of operation mode transition of the VTR block 6, various information display control, edit mode control, and storage and holding of various shooting modes and edit programs. The system control unit 5 also includes a nonvolatile memory element such as an EEPROM or an SRAM backed up by a battery, and stores various data even when the power is shut off.
[0015]
The infrared remote control signal generating device 12 outputs a control signal from the system control unit 5 as an infrared remote control signal for remotely operating another recording device, and the infrared remote control signal receiving unit 11 is not shown. An infrared remote control signal transmitted from the remote control device is received, and a control data code indicated by the received infrared remote control signal is supplied to the system control unit 5.
[0016]
The camera system operation unit 4 includes various switches and dials related to the camera system (auto focus (AF) on / off, auto exposure control (AE) auto / lock, program AE, etc.), and the system control unit 5 includes: The operating state of the camera system operation unit 4 by the operator is transferred to the camera system control unit 3. The camera system control unit 3 includes a microcomputer and controls the entire camera system in accordance with instructions from the system control unit 5 and the camera system operation unit 4.
[0017]
The VTR operation unit 7 includes various switches ([ON SCREEN], [UP], [DOWN], [RIGHT], [LEFT], [execution / registration], [MENU], [PLAY] related to the VTR system and the entire apparatus. , [FF / REW], [STOP], [START / STOP], etc.), and outputs an instruction from the operator to the system controller 5.
[0018]
The power mode switch 8 is a switch for selecting the power mode (camera / VTR / editing / off) of the main body, and the system control unit 5 reads the state of the power mode switch 8 to check the camera unit and the VTR unit. The power supply mode and the operation mode are set to predetermined ones.
[0019]
FIG. 2 shows an operation flowchart in the edit mode in the camera-integrated VTR according to the present embodiment shown in FIG. 1 as a first example of the present embodiment. In this embodiment, it is assumed that the operation mode of the apparatus is set to the edit mode by operating the power mode switch 8.
[0020]
FIG. 3 is a diagram showing a display example of the display screen of the electronic viewfinder in the EVF unit 10 of the camera-integrated VTR in the edit mode as a first example of the present embodiment.
[0021]
In FIG. 3a, 3a1 is a display of the total time of all cuts of the editing program, 3a2 is a display of the current tape counter of this camera-integrated VTR, 3a3 is a guide display of cut-in of the editing program, 3a4 is a cut-out of the editing program 3a5 is an operation mode display showing the operating state of the camera-integrated VTR, 3a6 is a display showing a cut-in or cut-out point of an edit program that can be currently set (ie, an edit program currently being set) The tape count value at the cut-in timing or the tape count value at the cut-out timing is displayed in a blinking manner.) 3a7 is a pointer indicating the work content that is currently being processed. During the editing process, the current editing process is performed. Is positioned at the beginning of the editing program being executed and the editing process is Editing program in the display of the contents of the editing program, including the pointer is highlighted. In FIG. 3a, 3a8 is an edit setting mode, 3a9 is an edit deletion mode, 3a10 is an edit rehearsal mode, 3a11 is an edit execution mode, and 3a12 is a guide display indicating an all edit edit mode. When selected, the display is reversed as shown.
[0022]
As shown in FIG. 2, when the edit mode is started, first, it is displayed in S201 that the edit mode has started, and then in S202, the edit program setting mode is selected and the mode is turned on. If the editing program number [m] is initialized to “1” in S203, the process proceeds to S204. If it is not determined that the editing program number [m] is turned on, the editing program number [m] is initialized to “1” in S203. The process proceeds to S214, and the editing program setting mode is terminated, or other processing such as performing another editing mode process or ending the editing mode itself is performed. Note that description of other processes is omitted.
[0023]
Then, the point on the tape indicated by the count value of the cut-in timing of the editing program [m] in S204 (Note that in this embodiment, the tape running is stable during reproduction and a good reproduction state is obtained. As shown in Fig. 3a, "-:-:-" is displayed blinking as shown in FIG. 3a, and the cut-in timing point in the editing program is currently displayed. Indicates that it is waiting for setting work.
[0024]
In step S205, the user searches for a cut-in point on the tape, the setting of the cut-in timing point of the searched cut-in point is completed, and a [register] key is input by the user. Until it is detected that the editing program setting mode has been terminated, for example, by switching to another mode in S206. If the editing program setting mode has been terminated, the process proceeds to S214. If it is detected in S205 that the [Register] key is input, the process proceeds to S207.
[0025]
Then, as shown in FIG. 3b, the cut-in timing count value [nSec] indicating the cut-in timing point on the tape of the editing program number [m] is registered in S207, and the editing program number [ [m]] “−: −−: −−” is flashed in order to indicate that the cutout point count value indicating the cutout timing point on the tape is waiting to be set.
[0026]
In step S209, the user searches for a cut-out point on the tape, the setting of the cut-in timing point of the searched cut-out point is completed, and the user inputs a [register] key. Until it is detected that the editing program setting mode has been terminated, for example, by switching to another mode in S210. If the editing program setting mode has been terminated, the process proceeds to S211. Then, it is determined that the end of the tape is designated as the cutout timing count value indicating the cutout timing point on the tape of the editing program number [m], and the editing program is stored in the system controller 5. Are stored in the memory for storing the editing program, and then the process proceeds to S214, and S209 is performed. When it is detected that Oite [registration] key input has been performed, the process proceeds to S212.
[0027]
Then, as shown in FIG. 3c, a cutout timing count value [nSec] indicating a cutout timing point on the tape of the editing program number [m] of the editing program number [m] is designated in S212. The editing program is stored in the memory for storing the editing program in the system control unit 5 to register the cutout timing point, and then in S213, the editing program number [m] is set. After incrementing by one step, the process returns to S204 again, and the editing program setting operation from S204 to S214 described so far is repeated as the setting operation of the next editing program. FIG. 3e is a diagram showing a display example of the display screen of the electronic viewfinder at this time. In FIG. 3e, the editing program number of the second editing program includes the cut-out timing point count on the tape. Since no value is displayed, the user can recognize that the end of the tape is designated as the count value of the cutout timing of the editing program.
[0028]
As described above, according to the camera-integrated video tape recorder as the first example of the present embodiment, when the editing program is set, the end of the tape is set as the cut-out point of the editing program, and the tape Even if you want to record and edit dubbing with one cut from any point above to the end, even if you actually send the head to the end of the tape and do not specify the end of the tape, the cutout timing count of the editing program The end of the tape can be set as a value, and the editing program can be set more easily.
[0029]
FIG. 4 shows an operation flowchart in the edit mode in the camera-integrated VTR as the present embodiment shown in FIG. 1 as a second example of the present embodiment. In this embodiment, as in the first embodiment, the operation mode of the apparatus is set to the edit mode by operating the power mode switch 8.
[0030]
FIG. 5 is a diagram showing a display example of the display screen of the electronic viewfinder in the EVF unit 10 of the camera-integrated VTR in the editing mode as a second example of the present embodiment.
[0031]
As shown in FIG. 4, in the edit mode, first, the edit execution mode is selected in S401, it is determined that the mode is turned on, the edit mode display is prepared, and the edit program number [m] is prepared in S402. Is initialized to “1”, and then the process proceeds to S403.
[0032]
Then, in S403, it is determined whether or not the count value of the cut-in timing point of the edit program number “1” is set. If it is determined that it is set, the process proceeds to S404 and is set. If it is determined that there is no editing process, the editing process cannot be executed. Therefore, it is determined that there is no unprocessed editing program, and the process proceeds to S417 described later.
[0033]
In S404, the count value of the cut-out timing point of the edit program number is not set (that is, as the count value of the cut-out timing indicating the cut-out timing point on the tape of the edit program number) The end of the tape is specified) Check whether or not there is an editing program in order from the editing program number “1”. In step S408, the display of the count value indicating the cut-in and cut-out timing points of the other editing programs is blinked, and the cut-in and cut-out timing points are displayed to the user. An editing program with a flashing count value For the lamb is set to perform a warning display to alert the fact that the editing operation is not executed.
[0034]
After the above process, the edit mode display is shifted from the ready state to the on state in S406, and the standby state is maintained until it is detected that the edit execution mode is started in S407.
[0035]
If it is detected in S407 that the editing execution mode has been started, the point on the tape indicated by the cut-in timing count value [nSec] of the editing program number [m] in S408 (Note that the present embodiment mode) In the VTR block 6, a rewind or fast-forward operation is started to search for a point that is only the run-up time required to stabilize the tape running during playback and to obtain a good playback state. To do. At this time, on the display screen of the electronic viewfinder in the EVF section 10 of the camera-integrated VTR, as shown in FIG. 5a, the editing operation according to the editing program is being executed for the first editing program. The display of the count value indicating the cut-in and cut-out timing points of the editing program is highlighted, and the cut-out timing count value of the editing program is displayed for the second editing program. Is not displayed, the user can determine that the end of the tape is specified as the cut-out timing point on the tape, and the user can set this editing program following the editing program. Cut-in and cut-out ties of other editing programs A warning that warns the user that the editing operation will not be executed for the editing program with the count value indicating the cut-in and cut-out timing points flashing. Display is performed.
[0036]
Then, in S409 of FIG. 4, the standby state is maintained until it is determined that the above-described search operation is completed. When it is determined that the search operation is completed, the process proceeds to S410, and the reproduction operation is started in the VTR block 6. Instruct the other recording apparatus connected to the camera-integrated VTR to start the recording operation, and whether the count value of the cut-out timing point of the editing program number [m] is set in S411 If it is determined that it is set, the process proceeds to S412. If it is determined that it is not set, the process proceeds to S415.
[0037]
In S412, the running state of the tape being played back in the VTR block 6 is monitored, and the head is set to the point on the tape indicated by the count value [nSec] of the cut-out timing of the editing program number [m]. Until the current state is reached, if the current state is detected, in step S413, the other recording device connected to the camera-integrated VTR is instructed to pause the recording operation, and the VTR After the reproduction operation in block 6 is once completed, the edit program number [m] is incremented by one step in S414, and the process returns to S403 again, and the edit operation from S403 to S414 is repeatedly executed for the next edit program.
[0038]
On the other hand, in S415, since it is determined in S411 that the count value of the cut-out timing point of the editing program number [m] is not set, this editing program executes the cut-out timing point on the tape. It is determined that the end of the tape is designated, the running state of the tape being reproduced in the VTR block 6 is monitored, and the state until then is continued until the head reaches the end of the tape, When it is detected that the recording has been reached, in step S416, an instruction to end the recording operation is given to another recording apparatus connected to the camera-integrated VTR, the reproduction operation in the VTR block 6 is ended, and the editing program is updated. Execution of the editing operation is terminated, and the process proceeds to S417. At this time, on the display screen of the electronic viewfinder in the EVF section 10 of the camera-integrated VTR, as shown in FIG. 5b, the second end in which the end of the tape is set as the count value of the cutout timing point. In order to notify the user that the editing operation according to the editing program is being executed, the display of the count value indicating the cut-in and cut-out timing points of the editing program is highlighted.
[0039]
Even if an editing program is set subsequent to the editing program, the editing program is not executed as described above, and the electronic view in the EVF section 10 of the camera-integrated VTR is not performed in S417. On the display screen of the viewfinder, as shown in FIG. 5c, the reverse display of the count value indicating the cut-in and cut-out timing points of the editing program indicating that the program is being executed is canceled, and the display “TAPE END” flashes. , It is detected that the head has reached the end of the tape, and when the editing execution operation has been completed, it is displayed to indicate that all editing execution operations have been completed. Exit execution mode.
[0040]
As described above, according to the camera-integrated video tape recorder as the second example of the present embodiment, when the editing program is set, the end of the tape is set as the cut-out point of the editing program, and the tape Even when an editing program that wants to perform dubbing recording editing with one cut from any point above to the end is included, when performing editing processing operations according to a plurality of editing programs, the plurality of editing programs The progress of the editing processing operation according to the user can be accurately communicated to the user.
[0041]
【The invention's effect】
As described above, according to the present invention, in order to solve the conventional problem and to edit from one point to the end of the recording medium as one cut when setting the editing program, The editing program can be easily set without specifying the end, and when the editing processing operation according to a plurality of editing programs is executed, the editing processing operation according to the plurality of editing programs proceeds. It is possible to provide a playback device with a built-in editing function that can accurately convey the situation to the user.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a schematic configuration of a camera-integrated video tape recorder as an embodiment of the present invention.
FIG. 2 shows an operation flowchart in an editing mode of the camera-integrated video tape recorder shown in FIG. 1 in the first example of the present embodiment.
3 is a diagram showing an example of a display screen in an editing mode of the camera-integrated video tape recorder shown in FIG. 1 in the first example of the present embodiment.
FIG. 4 is a flowchart showing an operation in an editing mode of the camera-integrated video tape recorder shown in FIG. 1 in a second example of the present embodiment;
5 is a diagram showing an example of a display screen in an editing mode of the camera-integrated video tape recorder shown in FIG. 1 in a second example of the present embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Imaging part 2 Camera signal processing part 3 Camera system control part 4 Camera system operation part 5 System control part 6 VTR block 7 VTR system operation part 8 Power supply mode switch 9 OSD (on-screen display) control part 10 EVF (electronic viewfinder) ) Unit 11 Infrared remote control signal receiver 12 Infrared remote control signal generator

Claims (2)

Retrieving means for retrieving an arbitrary information signal recorded on the attached recording medium, reproducing the retrieved information signal, and outputting it to another device;
One program can set at least one editing program configured by designating an editing start point and an editing end point on a recording medium. When the editing program is set, the editing If no end point is specified, the editing program is automatically set assuming that the editing end point of the editing program is set at the end of the recording medium, and the set editing program is stored in advance. Controlling the reproducing means to search and reproduce the information signal recorded on the recording medium according to the editing program stored in advance, and to execute the editing / recording operation according to the editing program. A playback apparatus with a built-in editing function, comprising control means for controlling another apparatus. In the control means, if there is at least one editing program in which the editing end point designates the end of the recording medium among the plurality of editing programs set, according to the plurality of editing programs When the editing processing operation is executed, when the editing processing operation according to the editing program in which the editing end point specifies the end of the recording medium is completed, the editing processing operation is not executed for the remaining editing programs. 2. The reproducing apparatus with a built-in editing function according to claim 1, wherein when there is an editing program that has not been executed and all editing processing operations have been completed, the operator is warned to that effect.

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