JP3577746B2 - Electronic equipment - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to an electronic apparatus suitable for application to, for example, a video tape recorder or a video printer.
[0002]
[Prior art]
Conventionally, for example, a video tape recorder or a camera-integrated video tape recorder and a video tape recorder are connected to edit a recorded signal, or a video tape recorder or a camera-integrated video tape recorder is connected to a video printer. An image of a video signal recorded on a video tape is output as a print image.
[0003]
[Problems to be solved by the invention]
By the way, in the editing work, in order to select and record a desired signal, a reproducing video tape recorder or the like was operated while referring to a display screen of a monitor television or the like to search for a tape position where a desired signal was recorded. After that, signal recording is started. Alternatively, the playback image output from the playback-side video tape recorder is monitored on a display screen of a monitor television or the like, and recording is started when a desired signal is output. For this reason, the operation of the video tape recorder is very complicated, and time is required for editing work.
[0004]
When a print image is output by a video printer, a reproduction signal output from a reproduction side video tape recorder or the like is monitored on a display screen of a monitor television or the like, and a desired signal is taken into the video printer to obtain a print image. And had For this reason, the operation is complicated as in the case of editing work, and it takes time to obtain a desired print image.
[0005]
Therefore, the present invention provides an electronic apparatus capable of efficiently performing a processing operation on an image with an easy operation.
[0006]
[Means for Solving the Problems]
An electronic apparatus according to the present invention reads out a signal from a recording medium, processes the signal, and outputs the processed signal to the outside, and index information from the signal read from the recording medium by the reproduction signal processing means. and index information detecting means for detecting a first electronic device and a control command output means for outputting a control command based on the detection signal of the index information detection means to the outside,
A second electronic device having input signal processing means for processing a signal supplied from the outside and operation control means for controlling the processing operation of the input signal processing means in accordance with a control command supplied from the outside; Electronic equipment for use with
When the index information of the image control instruction is supplied to the operation control unit of the second electronic device from the instruction output means is detected by the index information detecting means of the first electronic device, the first electronic This action control means The signal output from the reproduction signal processing means of the device is processed so as to be recorded for a predetermined time from the time when the index information is detected by the input signal processing means of the second electronic device. is there.
[0007]
An electronic apparatus according to a second aspect of the present invention is such that the first electronic apparatus is a video tape recorder for reproduction, and the second electronic apparatus is a video tape recorder for recording.
[0008]
An electronic apparatus according to a third aspect of the present invention is such that the first electronic apparatus is a video tape recorder for reproduction and the second electronic apparatus is a video printer.
[0009]
[Action]
According to the first aspect of the present invention, when change information of an image is detected by the change information detecting means of the first electronic device, a control command is supplied from the command output means to the operation control means of the second electronic device, The signal output from the reproduction signal processing means of the first electronic device is automatically processed by the input signal processing means of the second electronic device by the second operation control means. For this reason, since the first electronic device and the second electronic device are automatically operated without being individually associated with each other, the operation can be made extremely simple.
[0010]
According to the second aspect of the present invention, since the first electronic device is a video tape recorder for reproduction and the second electronic device is a video tape recorder for recording, change information of an image is recorded by the video tape recorder for reproduction. By simply playing back the recorded video tape, if the change information of the image is detected, the recording by the video tape recorder for recording is automatically started. Therefore, the editing operation can be performed automatically, so that the editing operation can be extremely simplified and the editing operation can be completed in a short time. Further, since a digest version of the video tape can be easily created by this editing work, the contents of the original video tape can be easily grasped.
[0011]
According to the third aspect of the present invention, since the first electronic device is a video tape recorder for reproduction and the second electronic device is a video printer, the video information on which the image change information is recorded by the video tape recorder for reproduction is recorded. Just by playing the tape, when the change information of the image is detected, the print image of the video printer is automatically output. Alternatively, a plurality of images at the time when the image change information is detected are displayed on a single print image and are automatically output. Therefore, for example, a table of contents of an image recorded on a video tape can be easily created. Further, it is possible to easily search for a necessary video tape by referring to the table of contents of the image created by the print image.
[0012]
【Example】
Hereinafter, a first embodiment of an electronic apparatus according to the present invention will be described with reference to FIG. In the first embodiment, two video tape recorders are connected to perform an editing operation.
[0013]
In FIG. 1, reference numeral 1 denotes a playback-side video tape recorder (hereinafter, referred to as “playback-side VTR”), and reference numeral 10 denotes a recording-side video tape recorder (hereinafter, referred to as “recording-side VTR”).
[0014]
A playback signal of a video tape read by a playback head (not shown) is supplied to a playback signal processing unit 2 of the playback VTR 1. The reproduction signal is converted into an audio signal or a video signal by the reproduction signal processing unit 2 and supplied to the audio / video signal output unit 3. The index detection circuit 2a of the reproduction signal processing unit 2 detects, for example, an index code of the change information of the image recorded on the video tape. The index code is formed using a control signal or inserted between a PCM audio track and a video track, and is recorded on a video tape in accordance with a change in a scene or the like. When an index code is detected by the index detection circuit 2a, an index detection signal SID is supplied to a reproduction-side main microcomputer (hereinafter, referred to as a "reproduction-side main microcomputer") 5.
[0015]
The reproduction-side main microcomputer 5 is connected to a LANC input / output unit 6 for inputting and outputting a signal for performing communication via LANC (local bus for controlling a plurality of video devices and the like in relation to each other).
[0016]
The audio / video signal SAV is supplied from the audio / video signal output unit 3 of the reproduction side VTR 1 to the audio / video signal input unit 11 of the recording side VTR 10. The supplied audio / video signal SAV is converted into a recording signal by the recording signal processing unit 12 based on a control signal from a recording main microcomputer (hereinafter referred to as a “recording main microcomputer”) 15 described later. At the same time, it is recorded on a video tape by a recording head (not shown) controlled by the VTR mechanical control unit 17.
[0017]
The recording-side main microcomputer 15 is connected to the VTR mechanism control unit 17 for controlling the operations of the recording signal processing unit 12 and the recording head as described above, and performs operation control, and is also connected to the LANC input / output unit 16. You.
[0018]
The LANC input / output unit 16 of the recording side VTR 10 and the LANC input / output unit 6 of the reproduction side VTR 1 are connected, and a command signal from the reproduction side main microcomputer 5 is supplied to the recording side main microcomputer 15. The operation of the recording VTR 10 is controlled by the reproducing VTR 1. In addition, since a status signal indicating that an operation corresponding to the command signal is being performed is supplied from the recording-side main microcomputer 15 to the reproduction-side main microcomputer 5, the reproduction-side VTR 1 and the recording-side VTR 10 are reliably operated in association with each other. be able to.
[0019]
The first embodiment is configured as described above, and the operation will be described next. The video tape on which the signal has been recorded has image change information such as a data code, a time code, or an index code recorded at a predetermined position on a recording track, for example.
[0020]
When the playback side VTR1 is operated to create, for example, a digest version of the video tape from the video tape on which the image signal and the change information of the image are recorded, the playback side VTR1 starts playback of the video tape, and thereafter detects the index. When an index code is detected by the circuit 2a, an index detection signal SID is supplied to the reproduction-side main microcomputer 5.
[0021]
From the reproduction-side main microcomputer 5, a recording start command of the recording-side VTR 10 is supplied to the recording-side main microcomputer 15 via the LANC input / output units 6, 16 in response to the supply of the index detection signal SID. Based on the supplied recording start command, a control signal for starting a recording operation is supplied from the recording-side main microcomputer 15 to the recording signal processing unit 12 and the VTR mechanical control unit 17 and supplied from the reproduction-side VTR 1. The audio / video signal SAV is recorded on the video tape of the recording side VTR 10.
[0022]
Thereafter, after a lapse of a predetermined time, a recording stop command is supplied from the reproducing main microcomputer 5 to the recording main microcomputer 15, and the recording operation of the recording VTR 10 is stopped.
[0023]
As described above, according to the first embodiment, the playback-side VTR 1 simply plays back the video tape on which the index code is recorded, and every time the index code is detected, the playback is performed for a predetermined time from the time when the index code is detected. The reproduction signal supplied from the side VTR 1 to the recording side VTR 10 is automatically recorded. As a result, the editing operation can be automatically performed without operating the reproduction side VTR 1 and the recording side VTR 10 in association with each other, so that the editing operation can be greatly simplified and the editing operation can be completed in a short time. Can be. In addition, since the digest version of the videotape can be easily created, the contents of the original videotape can be easily grasped.
[0024]
Next, a second embodiment of the electronic apparatus according to the present invention will be described with reference to FIG. In the second embodiment, a print image is obtained by connecting a video tape recorder and a video printer. In FIG. 2, parts corresponding to those in FIG. 1 are given the same reference numerals, and description thereof is omitted.
[0025]
In FIG. 2, a video signal from the reproduction signal processing unit 2 of the reproduction side VTR 1 is output via a video signal output unit 3a.
[0026]
Reference numeral 20 denotes a video printer. The video signal SV is supplied to the video signal input unit 21 of the video printer 20 from the video signal output unit 3a of the reproduction side VTR 1. The supplied video signal SV is stored in the memory processing unit 22 based on a control signal from a printer main microcomputer (hereinafter referred to as “printer main microcomputer”) 25 described later. The memory processing unit 22 includes an A / D converter, a memory unit, a memory control microcomputer, and the like. The video signal SV is converted into video data by the memory processing unit 22 and stored. The video data stored in the memory unit 22 is supplied to the print head control unit 23 based on a control signal from the printer main microcomputer 25.
[0027]
The print head controller 23 controls the print head based on the supplied video data to form a print image. Further, control such as paper feeding of printer paper is performed by the printer mechanism control unit 27. The operations of the print head control unit 23 and the printer mechanism control unit 27 are also controlled by the printer main microcomputer 25, similarly to the memory processing unit 22.
[0028]
The LANC input / output unit 26 is connected to the printer main microcomputer 25 together with the memory processing unit 22, the printing head control unit 23, and the printer mechanism control unit 27.
[0029]
The LANC input / output unit 26 of the video recorder 20 is connected to the LANC input / output unit 6 of the reproduction side VTR 1, and a command signal from the reproduction side main microcomputer 5 is supplied to the printer main microcomputer 25 so that the video printer 20 Is controlled by the reproduction side VTR 1. Further, since a status signal indicating that the operation according to the command signal is being performed is supplied from the printer main microcomputer 25 to the reproducing main microcomputer 5, the reproducing VTR 1 and the video printer 20 can be reliably operated in association with each other. Can be.
[0030]
The second embodiment is configured as described above. Next, the operation will be described. When the reproducing VTR 1 is operated to obtain a print image from a video printer to create a table of contents of the recorded image from the video tape on which the image signal and the change information of the image are recorded, the reproducing VTR 1 When the reproduction of the tape is started and an index code is detected by the index detection circuit 2a thereafter, an index detection signal SID is supplied to the reproduction-side main microcomputer 5.
[0031]
The reproduction side main microcomputer 5 supplies a printer control command of the video printer 20 to the printer main microcomputer 25 via the LANC input / output units 6 and 26 in response to the supply of the index detection signal SID.
[0032]
When an image for one screen is output as one print image by the video printer 20, a memory print command is supplied from the reproduction-side main microcomputer 5 to the printer main microcomputer 25. When the video printer 20 outputs images on a plurality of screens as one print image, a memory command is supplied from the reproduction-side main microcomputer 5 to the printer main microcomputer 25.
[0033]
When the printer control command supplied from the reproduction-side main microcomputer 5 to the printer main microcomputer 25 is a memory print command, a control signal for outputting a print image from the printer main microcomputer 25 is transmitted to the memory processing unit 22 or the printing unit. It is supplied to the head controller 23 and the printer mechanism controller 27. For this reason, the video data of the video signal SV for one screen at the time when the index code is recorded is stored in the memory processing unit 22 and the stored video data is supplied to the printing head control unit 23, so that one image is recorded. Is output as a print image. When the video printer 20 is outputting a print image, a pause command is supplied from the printer main microcomputer 25 to the reproducing main microcomputer 5, and the reproducing operation of the reproducing VTR 1 is temporarily stopped. Thereafter, when the print image output of the video printer 20 is completed, a pause command is supplied again from the printer main microcomputer 25 to the reproducing main microcomputer 5, and the reproducing operation of the reproducing VTR 1 is started.
[0034]
If the printer control command is a memory command, a control signal for storing video data is supplied from the printer main microcomputer 25 to the memory processing unit 22. Therefore, the video data of the video signal SV for one screen at the time when the index code is recorded is sequentially stored in the memory processing unit 22. Thereafter, when video data for a predetermined screen is stored in the memory processing unit 22, a control signal is supplied from the printer main microcomputer 25 to the memory processing unit 22, the print head control unit 23, and the printer mechanism control unit 27. In accordance with this control signal, video data of a plurality of images stored in the memory processing unit 22 is converted into video data for one screen by thinning processing or the like, and is supplied to the print head control unit 23. Is output as a print image. Note that the video data of the video signal SV for one screen at the time when the index code was recorded is stored in the memory processing unit 22 assuming that the video data is subjected to the thinning process and the like and then stored in the memory processing unit 22 sequentially. It goes without saying that the video data may be supplied to the print head control unit 23 to output a plurality of images as one print image.
[0035]
When video data for a predetermined screen is stored in the memory processing unit 22 and the video printer 20 is outputting a print image, the pause command is supplied from the printer main microcomputer 25 to the reproduction side main microcomputer 5 as described above. , The reproduction operation of the reproduction side VTR 1 is temporarily stopped. Thereafter, when the print image output of the video printer 20 is completed, a pause command is supplied again from the printer main microcomputer 25 to the reproducing main microcomputer 5, and the reproducing operation of the reproducing VTR 1 is started.
[0036]
As described above, according to the second embodiment, the playback side VTR 1 simply plays back the video tape on which the index code is recorded, and the print image is automatically output from the video printer 20 every time the index code is detected. Is done. Alternatively, a plurality of images at the time when the index code is detected are displayed on one print image and automatically output. For this reason, a print image can be automatically obtained without operating the reproduction side VTR 1 and the video printer 20 in association with each other, so that the table of contents of the image recorded on the video tape can be easily created. Further, the user can easily search for a necessary video tape by referring to the table of contents of the image created by the print image.
[0037]
In the first and second embodiments described above, the index code is detected by the reproduction side VTR 1 and when the index detection signal SID is supplied to the reproduction side main microcomputer 5, the command signal from the reproduction side main microcomputer 5 is output. Control the recording VTR 10 or the video printer 20 on the basis of the above. However, the index detection signal SID is supplied to the recording VTR 10 or the video printer 20 via the LANC input / output unit 6, and the recording VTR 10 or the video printer 20 is controlled. , The editing work and the output of the print image described above may be automatically performed. The signal for starting the operation is not limited to the index code. For example, a change point of data is detected by a change information detection circuit using a data code or a time code recorded as change information of an image. In this case, the above-described editing work and output of a print image may be performed based on the detection signal. Further, the electronic device connected to the reproduction side VTR 1 is not limited to a video tape recorder or a video printer, but may be another image recording device.
[0038]
【The invention's effect】
According to the first aspect of the invention, when the change information detecting means of the first electronic device detects the change information of the image, a control command is supplied from the command output means to the operation control means of the second electronic device. The signal output from the reproduction signal processing means of the first electronic device is automatically processed by the input signal processing means of the second electronic device by the second operation control means. For this reason, since the first electronic device and the second electronic device are automatically operated without being individually associated with each other, the operation can be extremely simplified.
[0039]
According to the invention described in claim 2, the first electronic device is a video tape recorder for reproduction and the second electronic device is a video tape recorder for recording. Just by playing back the recorded video tape, when the change information of the image is detected, the recording by the video tape recorder for recording is automatically started. Therefore, the editing operation can be automatically performed, so that the editing operation can be extremely simplified and the editing operation can be completed in a short time. In addition, since a digest version of the video tape can be easily created by this editing work, the contents of the original video tape can be easily grasped.
[0040]
According to the third aspect of the present invention, since the first electronic device is a video tape recorder for reproduction and the second electronic device is a video printer, the change information of the image is recorded on the video tape recorder for reproduction. Just by playing the video tape, when the change information of the image is detected, the print image of the video printer is automatically output. Alternatively, a plurality of images at the time when the image change information is detected are displayed on a single print image and are automatically output. Therefore, for example, a table of contents of an image recorded on a video tape can be easily created. Further, the user can easily search for a necessary video tape by referring to the table of contents of the image created by the print image.
[Brief description of the drawings]
FIG. 1 is a diagram showing a configuration of a first embodiment of an electronic apparatus according to the present invention.
FIG. 2 is a diagram showing a configuration of a second embodiment of the electronic apparatus according to the present invention.
[Explanation of symbols]
Reference Signs List 1 playback side video tape recorder 2 playback signal processing section 2a index detection circuit 3 audio / video signal output section 3a video signal output section 5 playback side main microcomputers 6, 16, 26 LANC input / output section 10 video tape recorder 11 for recording audio / video Video signal input section 12 Recording signal processing section 15 Recording side main microcomputer 17 VTR mechanism control section 20 Video printer 21 Video signal input section 22 Memory processing section 23 Printing head control section 25 Printer main microcomputer 27 Printer mechanism control section

Claims (3)

And reproduced signal processing means for outputting the processed signal with processing from the recording medium by reading the signal to the outside, and the index information detecting means for detecting index information from the signal read from the recording medium by said reproducing signal processing means, the index A first electronic device having control command output means for outputting a control command to the outside based on a detection signal of the information detection means;
A second electronic device having input signal processing means for processing a signal supplied from the outside and operation control means for controlling the processing operation of the input signal processing means in accordance with a control command supplied from the outside; Electronic equipment used as
Above when the control command is supplied to the operation control means of the second electronic device from the index information is detected instruction output means of the image in the index information detecting means in the first electronic device, the first by the operation control means The signal output from the reproduction signal processing means of the first electronic device is recorded for a predetermined time from the time when the index information is detected by the input signal processing means of the second electronic device. electronic apparatus, characterized in that the processing. 2. The electronic device according to claim 1, wherein the first electronic device is a video tape recorder for reproduction, and the second electronic device is a video tape recorder for recording. 2. The electronic device according to claim 1, wherein the first electronic device is a video tape recorder for reproduction, and the second electronic device is a video printer.

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