JPH09168129A - Video signal recorder and reproducer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily preserve an important file that is recorded on a recording medium. SOLUTION: In a recording mode, the digital signals are generated to process and record the luminance signal Y and the color difference signals CR and CB outputted from an image pickup processing part 110 via a recording video signal processing part 111. Then the digital signals are supplied to an disk drive 113 via a buffer memory 114a of a hard disk control part 114 and successively written in an HD (hard magnetic disk) 112 in every file. When all capacity of the HD 112 are already recorded, the part of the oldest file and its subsequent parts are recorded by overwriting. When the preservation key of a key operation part 107 is depressed in a recording or reproducing mode, the erasion of files are inhibited at and after a fixed traced-back time. When the preservation key is depressed after the preservation start and end times are set via the part 107, the erasion is inhibited for the files that are recorded on a recording medium in a period covering the preservation start time through the preservation end time.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video signal recording apparatus and a video signal reproducing apparatus suitable for application to, for example, a camera-integrated recording apparatus. More specifically, the present invention relates to a video signal recording apparatus in which important files can be easily stored by performing overwriting recording from the oldest file portion of a disc-shaped recording medium.
Further, the present invention relates to a video signal recording apparatus and a video signal reproducing apparatus in which an important file can be easily stored by making it possible to set a predetermined file on a recording medium to be erase-prohibited.

[0002]

2. Description of the Related Art Conventionally, there is a video signal recording / reproducing apparatus integrally formed with a video camera, and it is considered to use, for example, a hard magnetic disk (hereinafter referred to as "HD") as a recording medium.

[0003]

When the HD is used as the recording medium as described above, a video signal is recorded in the HD, for example, by dividing it into a file. And HD
After the video signal is recorded in the entire recording area of the video signal, the video signal is overwritten and recorded in the file portion where the video signal is already recorded. In this case, if it is not known where the file portion to be overwritten and recorded is, the important file recorded in the HD may be erased.

Therefore, the present invention provides a video signal recording apparatus and a video signal reproducing apparatus capable of easily storing an important file recorded on a recording medium.

[0005]

A video signal recording apparatus according to the present invention is a video signal recording apparatus for recording a video signal on a recording medium by dividing the video signal into files, and a predetermined file recorded on the recording medium is set to be erase-prohibited. It is provided with a file storage means for doing so.

On the recording medium, a video signal is divided into files and recorded. A predetermined file recorded on the recording medium by the file storage means is set to be erase-prohibited. Here, when the save key is operated at the time of recording, it is possible to set the deletion prohibition on the files recorded from the time when the save key is operated a certain time back to the time when the save key is operated again. Further, for example, the file recorded on the recording medium between the save start time and the save end time set by the time setting means may be set to be erase-prohibited. Further, the time corresponding to the area that can be set to be erase-prohibited on the recording medium may be calculated and displayed.

Further, the video signal reproducing apparatus according to the present invention is a video signal reproducing apparatus for reproducing a video signal from a recording medium in which the video signal is divided into files, and the predetermined file recorded in the recording medium is erased. It is provided with a file storage means for setting prohibition.

On the recording medium, a video signal is divided into files and recorded. The predetermined file recorded on the recording medium is set to be erase-prohibited by the file storage means. Here, when the save key is operated at the time of reproduction, it is possible to set the deletion prohibition on the file that is played back from the time when the save key is operated back to the time when the save key is operated again. Further, for example, the file recorded on the recording medium between the save start time and the save end time set by the time setting means may be set to be erase-prohibited. Further, the time corresponding to the area that can be set to be erase-prohibited on the recording medium may be calculated and displayed.

Further, the video signal recording apparatus according to the present invention is a video signal recording apparatus for recording a video signal in a disc-shaped recording medium by dividing the video signal into files, and recording time information is used as identification information of files recorded on the recording medium. After the video signal is recorded in the entire video signal recording area of the disc-shaped recording medium, the recording control means controls the video signal to be overwritten and recorded from the oldest file portion based on the recording time information. It is equipped with.

On the disk-shaped recording medium, a video signal is divided into files and recorded. After the video signal is recorded in the entire recording area of the video signal of the disc-shaped recording medium, the video signal is overwritten and recorded from the oldest file portion. In this case, overwrite recording is not performed on the file portion set to be erase-prohibited.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a camera-integrated disk device 100 as an embodiment. This disc device 100 is divided by a lens block 101, a color separation prism 102 for separating the light incident through the lens block 101 into red, green, and blue color component light, and the color separation prism 102. CCD (charge) in which red, green, and blue color component lights are incident to form a red image, a green image, and a blue image of a subject on the imaging surface, respectively.
coupled device) Solid-state imaging device 103R, 103G, 1
03B and the image pickup elements 103R, 103G, 103B
And a CCD driver 104 for driving the.

Further, the disk device 100 has a timing generator 105 for supplying a necessary timing signal to the CCD driver 104 and the like, and a system control unit 106 having a microcomputer for controlling the operation of the entire system. , System control unit 10 for user's operation
6 has a key operation unit 107 connected to it and a display unit 108 connected to the system control unit 106 for displaying the operation state of the user's key operation unit 107. The display 108 is composed of, for example, a liquid crystal display element. The operation of the timing generator 105 is performed by the system control unit 1
It is configured to be controlled by 06.

Further, the disk device 100 includes the image pickup device 1
CDS for reducing reset noise by performing well-known correlated double sampling processing on red, green, and blue image signals output from 03R, 103G, and 103B, respectively.
(Corelated double sampling) circuit 109R, 109
G, 109B and the CDS circuits 109R, 109G,
Red, green, and blue color signals R, G, B output from 109B
Amplification processing, shading correction processing, gain up processing for low light amount imaging, white balance adjustment processing, flare correction processing, pedestal component addition processing, knee processing to compress dynamic range, gamma correction processing, white clip An image pickup signal processing unit 110 for obtaining a luminance signal Y, a red color difference signal C _R , and a blue color difference signal C _B by performing matrix processing after performing processing, black clip processing, and the like. The processing operation of the imaging signal processing unit 110 is configured to be controlled by the system control unit 106.

Further, the disk device 100 has a luminance signal Y, a color difference signal C _R ,
A recording video signal processing unit 111 for obtaining a digital signal to be recorded in the HD 112 by converting the C _B into a digital signal and then performing data compression processing, error correction code addition processing, digital modulation processing, etc. The disc drive 113 to be reproduced is controlled, and the disc drive 113 is controlled to write a digital signal output from the recording video signal processing unit 111 to the HD 112 at the time of recording, and at the time of reproduction, a digital signal having a desired content is requested in accordance with a request from the system control unit 106. The hard disk controller 114 controls the disk drive 113 so that the signal is read from the HD 112.

Here, the hard disk control unit 114 is provided with a buffer memory 114a, and the digital signal output from the recording video signal processing unit 111 is supplied to the disk drive 113 via the buffer memory 114a of the hard disk control unit 114. The digital signal written to the HD 112 and read from the HD 112 is stored in the buffer memory 1 of the hard disk controller 114.
It is supplied to a reproduction video signal processing unit described later via 14a. The digital signal output from the recording video signal processing unit 111 is supplied to the hard disk control unit 114 as an 8-bit or 16-bit parallel signal, for example. Further, the processing operation of the recording video signal processing unit 111 and the control operation of the hard disk control unit 114 are configured to be controlled by the system control unit 106.

Further, the disk device 100 performs digital demodulation processing, error correction processing, data expansion processing, etc. on the digital signal read from the HD 112 under the control of the hard disk control unit 114, and then converts the analog signal into an analog signal for luminance. The reproduction video signal processing unit 115 for obtaining the signal Y and the color difference signals C _R and C _B is included.

Here, the recording format of the digital signal (digital signal output from the recording video signal processing unit 111) to the HD 112 will be described. HD112 has
As shown in, the digital signal is divided into files and written. In this case, the break is a fixed time, for example, 1 minute. The last file in a certain continuous recording is usually shorter than the fixed time. Each file has recording order, recording start time, and recording end time as file identification information. For the recording order, a practically sufficient number such as 1 to 65536 (2 ¹⁶ ) is designated. If only a small value can be designated as the recording order, a file having the same recording order can be created on one HD 112. Although not described above, in the file management area of the HD 112, the digital signal of each file is actually recorded in addition to the file identification information of the recording order, recording start time and recording end time of each file recorded in the data area. Address information of the recorded data area is recorded.

After the entire capacity of the HD 112 has been recorded, digital data is recorded from the oldest file among the files recorded on the HD 112 based on the recording start time and recording end time as file identification information. The signal is configured to be overwritten.

Further, FIG. 3 shows keys provided in the key operation unit 107. Each key is arranged on the cabinet of the disk device 100 so as to surround the display 108, for example. The key operation unit 107 sets a rewind key 201 for returning the reproduction position to the front, a stop key 202 for stopping the recording operation and the reproduction operation, a reproduction key 203 for starting the reproduction operation, and a reproduction position. Fast-forward key 204 for sending later and record key 2 for starting recording operation
05.

Further, the key operation section 107 is provided with a recording key 20.
Adjacent to No. 5, there is a save key 206 for prohibiting deletion of a predetermined file during recording. When the save key 206 is pressed during recording, the files recorded in the HD 112 are set to be erase-prohibited from the time when the save key 206 is pressed back a certain time to the time when the save key 206 is pressed again. It The setting of erasure prohibition is specifically performed by prohibiting erasure of the attribute recorded in the corresponding file portion of the file management area.

The key operation unit 107 also has a file key 207 for displaying a list of files recorded on the HD 112 on the display unit 108, and a cursor for selecting a predetermined file from the files displayed on the display unit 108. Up key 208 and down key 209 to move
It has a save / cancel key 210 for setting the deletion prohibition of a predetermined file at the time of reproduction and canceling the deletion prohibition of the predetermined file.

When the files recorded in the HD 112 are displayed in a list on the display unit 108, the reproduction key 203
When is pressed, the files selected by the cursor are reproduced in the order of recording. And save / cancel key 2
When 10 is pressed, the file reproduced from the HD 112 is set to be erase-prohibited from the time when the file is moved back a certain time to the time when the save / release key 210 is pressed again. When the file selected by the cursor is already set to erase-prohibited, the save / cancel key 210
When is pressed, the erase prohibition is released. When the file key 207 is pressed again while the list of files is displayed on the display unit 108, the display disappears. The file display on the display unit 108 may automatically disappear after a certain period of time.

The key operation unit 107 also adjusts, as margin time, a fixed time that goes back when the save key 206 is pressed during recording and a fixed time that goes back when the save / cancel key 210 is pressed during playback. Margin key 211 for adjusting and a front key 212 for adjusting time forward and backward,
It has a rear key 213. When the margin key 211 is pressed, the previously adjusted margin time is displayed on the display unit 108. In this state, by pressing the front key 212 and the rear key 213, the margin time can be adjusted. When the margin key 211 is pressed again while the margin time is displayed on the display unit 108, the display disappears. Display 1
The display of the margin time 08 may be automatically disappeared after a predetermined time.

The key operation unit 107 also includes a time key 214 for designating an erasure prohibited range of a file recorded on the HD 112, a start key 215 for setting a save start time, and a save end time. And a final key 216 for setting the setting state. When the time key 214 is pressed, the storage start time and the storage end time are displayed on the display unit 108. For example, the default value of the save start time is the record end time of the newest file recorded on the HD 112, and the default value of the save end time is equal to the save start time.

When the start key 215 is pressed while the save start time and save end time are displayed on the display unit 108, the save start time is set and the front key 212 and the rear key 213 are pressed. By doing so, it becomes possible to adjust the save start time, while when the end key 216 is pressed, the save end time is set, and the save end time is adjusted by pressing the front key 212 and the rear key 213. Is possible. When the save / release key 210 is pressed while the save start time and save end time are displayed on the display unit 108, based on the record start time and the record end time as the file identification information, The file recorded in the HD 112 is set to be erase-prohibited from the storage start time to the storage end time.

When the time key 214 is pressed again while the save start time and save end time are displayed on the display unit 108, the display disappears. The display of the storage start time and the storage end time on the display unit 108 may automatically disappear after a certain period of time.

Next, the operation of the disk device 100 shown in FIG. 1 will be described.

The light from the subject incident through the lens block 101 is supplied to the color separation prism 102,
The red light, the green light, and the blue light are decomposed and guided to CCD solid-state image pickup devices 103R, 103G, and 103B, respectively.
Then, a red image, a green image, and a blue image of the subject are formed on the image pickup surfaces of the image pickup devices 103R, 103G, and 103B, respectively, and image pickup is performed.
The red, green, and blue image pickup signals output from 103G and 103B are CDS circuits 109R, 109G, and 109B, respectively.
And is subjected to correlated double sampling processing. Also,
The red, green, and blue color signals R, G, and B output from the CDS circuits 109R, 109G, and 109B are the imaging signal processing unit 1
At 10, processing such as shading correction and white balance adjustment is performed to form a luminance signal Y and color difference signals C _R and C _B.

In this state, when the recording key 205 (see FIG. 3) of the key operation unit 107 is pressed, the luminance signal Y and the color difference signals C _R and C _B output from the image pickup signal processing unit 110 are compared. Then, the recording video signal processing unit 111 performs digital conversion processing, data compression processing, error correction code addition processing, and the like to form a digital signal to be recorded. Then, the digital signal output from the recording video signal processing unit 111 is supplied to the disk drive 113 via the buffer memory 114a of the hard disk control unit 114, and sequentially written into the HD 112 as a file.

The HD 112 is the disk drive 11
3 is loaded, the data in the file management area of the HD 112 is read out, and the hard disk control unit 114
It is supplied to and stored in the memory 106a of the system control unit 106 via. Then, the data of the file management area of the HD 112 recorded in the memory 106a is used for controlling the writing of the digital signal to the HD 112 at the time of recording and the reading control of the digital signal from the HD 112 at the time of reproducing. In this case, when the data in the file management area of the HD 112 is changed due to the writing of the digital signal to the HD 112, the data in the file management area stored in the memory of the system control unit 106 is also changed accordingly.

The key operation unit 107 is used for recording and reproduction.
When the deletion prohibition is set for the predetermined file recorded in the HD 112 by the operation of, the data of the file management area stored in the memory 106a of the system control unit 106 is changed and the file management area of the HD 112 is changed. The data is also rewritten.

FIG. 4 shows the system control unit 1 at the time of recording.
It is a flowchart which shows the control operation of 06.

When the recording key 205 of the key operation unit 107 is pressed to enter the recording mode, first in step ST1, it is determined whether or not the entire capacity of the HD 112 has been recorded, that is, the file (digital signal) is written in the entire data area of the HD 112. ) Is recorded. When it is determined that the entire capacity is not recorded and there is an empty area, the digital signal is recorded in the empty area in step ST2, and the process proceeds to step ST3. On the other hand, when it is determined that the entire capacity has been recorded, it is determined in step ST4 that the digital signal is overwritten and recorded in the oldest file of the HD 112 (excluding the file set to be erase-prohibited), and the process proceeds to step ST3. move on.

In step ST3, it is determined whether or not the save key 206 (see FIG. 3) of the key operation unit 107 has been pressed (first time). If it is determined that the pressing operation has not been performed, the process proceeds to step ST5. On the other hand, when it is determined that the pressing operation is performed, the file recorded in the HD 112 is set to the erase-prohibited state from the time traced back by a fixed time (margin time) in step ST6, and step ST5
Proceed to.

In step ST5, it is determined whether or not the save key 206 of the key operation unit 107 has been pressed (second time). When it is determined that the pressing operation has not been performed, the process proceeds to step ST7. On the other hand, when it is determined that the pressing operation is performed, the setting of erasing prohibition of the file recorded in the HD 112 is canceled in step ST8, and step S8 is performed.
Proceed to T7.

In step ST7, it is determined whether or not the stop key 202 (see FIG. 3) of the key operation unit 107 has been pressed. When it is determined that the pressing operation has not been performed, the process returns to step ST1 and the same control operation as described above is repeated. On the other hand, when it is determined that the stop key 202 is pressed, the recording operation of the digital signal to the HD 112 is ended.

The operation of pressing the save key 206 is to alternately repeat the first and second times. for that reason,
By repeating the first and second pressing operations of the save key 206, it becomes possible to set erasure inhibition in a plurality of file ranges recorded in the HD 112.

Next, the operation of the disk device 100 shown in FIG. 1 during reproduction will be described. When the files recorded on the HD 112 are reproduced, first, the file key 207 of the key operation unit 107 is pressed to display a list of files recorded on the HD 112 on the display 108 as shown in FIG. And In this case, the recording order, recording start time, and recording end time of each file are displayed,
A predetermined mark 2 is attached to the file part that is set to erase-prohibited.
21 is displayed. Further, a cursor 220 for selecting a file is also displayed.

With the list of files displayed on the display 108, the up key 208 and the down key 209 are pressed to move the cursor 220 up and down to select a predetermined file to start playback. FIG. 5 shows a state in which the file 3 is selected by the cursor 220. Then, with the predetermined file to start playing selected,
When the reproduction key 203 is pressed, the files selected by the cursor 220 are reproduced in the order of recording. In FIG. 1, the digital signal reproduced from the HD 112 is supplied from the disk drive 113 to the reproduced video signal processing unit 115 via the buffer memory 114a of the hard disk control unit 114, and the digital signal is subjected to digital demodulation processing and error correction. After processing, data expansion processing, etc. are performed, the signals are converted into analog signals to obtain luminance signals Y and color difference signals C _R and C _B.

At the time of this reproduction, the save / cancel key 2
When 10 is pressed, the file reproduced from the HD 112 is set to be erase-prohibited from the time when it is moved back a certain time (margin time) to the time when the save / cancel key 210 is pressed again. Save key 2 at the time of recording described above
As in the case of 06, by repeating the first and second pressing operations of the save / cancel key 210, it becomes possible to set erasure prohibition in a plurality of file ranges recorded in the HD 112.

When the files selected by the cursor are already set to be erase-prohibited when the list of files is displayed on the display unit 108, the save / cancel key 21 is pressed.
When 0 is pressed, the erasure prohibition setting is canceled and the mark 221 displayed on the display unit 108 also disappears.

Next, the operation of adjusting the fixed time that goes back when the save key 206 is pressed during recording and the fixed time that goes back when the save / cancel key 210 is pressed during playback as a margin time will be described.

When adjusting the fixed time (margin time), first, the margin key 211 of the key operation unit 107 is pressed,
As shown in FIG. 6, the margin time previously adjusted is displayed on the display unit 108. In this state, pressing the front key 212 adjusts the margin time to a shorter direction, while pressing the rear key 213 adjusts the margin time to a longer direction.

Next, the operation for setting the deletion prohibition of the predetermined file recorded on the HD 112 by designating the save start time and save end time will be described.

When setting the save start time and save end time, first, the time key 214 of the key operation unit 107 is pressed, and the default values of the save start time and save end time are displayed on the display 108 as shown in FIG. Is displayed.
When the start key 215 is pressed in this state, the storage start time is set, and the front key 212 and the rear key 213 are set.
Is pressed to adjust the storage start time. In this case, when the storage start time is changed, the storage end time is also changed. Further, the end key 216 is pressed to enter the storage end time setting state, and the front key 212 and the rear key 213 are pressed to adjust the storage end time.

When the save start time and save end time are displayed on the display unit 108 in this manner, the save / cancel key 210 is pressed, so that the save start time and save end time are changed. The file recorded on the HD 112 is set to be erase-prohibited. In this case, HD112
The file to be erase-protected is determined by referring to the recording start time and recording end time of each file recorded as the file identification information in the file management area.

In addition, the system control unit 106, not mentioned above.
Then, based on the data in the file management area of the HD 112 stored in the memory 106a, the time (storable time) of the area excluding the file portion that has already been set to erase-prohibited is calculated, and the time is displayed on the display unit 108. Is displayed.

As described above, in the present embodiment, when the entire capacity of the HD 112 has been recorded, overwrite recording is performed from the oldest file portion. Therefore, when the important recording is over, the means for saving the file recorded in the HD 112 can be used to easily save the important file.

By pressing the save key 206 during recording, the HD 112 is moved from the time when the save key 206 is operated again to the time when the save key 206 is operated again.
The files recorded in can be set to erase-protected. Also,
By pressing the save / cancel key 210 during playback,
Save / Cancel key 2 from a time that has gone back a certain time (margin)
By the time when 10 is operated again, the file reproduced from the HD 112 can be prohibited from being erased. Also, by pressing the time key 214 or the like to set the save start time and save end time, and then pressing the save / cancel key 210, the files recorded between the save start time and the save end time are deleted. Can be set to prohibit. In this way, overwrite recording is prohibited in the file portion set to the erasure prohibition. Therefore, it is possible to easily save important files.

Further, the time of the area (storable time) excluding the file portion set to be erase-prohibited is calculated, and the time is displayed on the display unit 108.
The storable time of 2 can be easily known.

In the above embodiment, the recording medium is the HD 112, but the present invention is also applicable to other disc-shaped recording media, tape-shaped recording media and the like.

[0052]

According to the video signal recording apparatus of the present invention,
When the full capacity of the disc-shaped recording medium has been recorded,
Since the overwrite recording is performed from the portion of the oldest file, the important file can be easily saved by taking a means of saving the file of the disc-shaped recording medium when the important recording is finished.

Further, in the video signal recording apparatus and the video signal reproducing apparatus according to the present invention, it is possible to set a predetermined file on the recording medium to be erase-prohibited and prohibit overwrite recording, so that an important file can be easily stored. Then, by pressing the save key at the time of recording or playback and setting the file deletion prohibition from the time traced back for a certain period of time, the important files that the user confirmed at the time of recording or playback can be protected without being erased. Can be set. In addition, by setting the deletion prohibition of the file recorded in the recording medium between the saving start time and the saving end time set by the time setting means, for example, the deletion is performed without a reproducing operation, that is, in a short time. There is a benefit of being able to set a ban. Further, by calculating and displaying the time corresponding to the area that can be set to be erase-prohibited on the recording medium, the user can easily know the storable time of the recording medium.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing a camera-integrated disk device as an embodiment.

FIG. 2 is a diagram showing a recording format of a video signal on a hard magnetic disk (HD).

FIG. 3 is a diagram showing a key arrangement of a key operation unit.

FIG. 4 is a diagram for explaining a recording operation on a hard magnetic disk (HD).

FIG. 5 is a diagram for explaining an operation during reproduction.

FIG. 6 is a diagram for explaining a margin time adjusting operation.

FIG. 7 is a diagram for explaining a file erase prohibition setting operation by time designation.

[Explanation of symbols]

 100 camera integrated disc device 103R, 103G, 103B CCD solid-state imaging device 106 system control unit 107 key operation unit 108 display unit 110 imaging signal processing unit 111 recording video signal processing unit 112 hard magnetic disk (HD) 113 disk drive 114 hard disk Control unit 115 Playback video signal processing unit 206 Save key 210 Save / cancel key

Claims (13)

[Claims] 1. A video signal recording apparatus for recording a video signal into a file on a recording medium by dividing the file into a file, comprising file storage means for setting a predetermined file recorded on the recording medium to be erase-prohibited. Video signal recorder. 2. The file storage means has a storage key, and when the storage key is operated at the time of recording, the file storage means stores the data in the recording medium from a time point traced back by a predetermined time to a time point at which the storage key is operated again. 2. The video signal recording apparatus according to claim 1, wherein a recorded file is set to be erase-prohibited. 3. The video signal recording apparatus according to claim 2, further comprising time setting means for setting the fixed time. 4. The recording time information is provided as identification information of a file recorded on the recording medium, and time setting means is provided for setting a save start time and a save end time, and the file save means is provided with the record time. The file recorded on the recording medium is set to be erase-prohibited between the storage start time and the storage end time set by the time setting means with reference to information. Video signal recorder. 5. The video signal recording apparatus according to claim 1, further comprising means for calculating and displaying a time corresponding to an area where the erasure can be set on the recording medium. 6. A video signal reproducing apparatus for reproducing a video signal from a recording medium in which the video signal is divided into files and recorded, and a file storage means for setting a predetermined file recorded in the recording medium to be erase-prohibited. A video signal reproducing device comprising: 7. The file storage means has a storage key, and when the storage key is operated at the time of reproduction, the file storage means stores information from the recording medium from a time traced back by a predetermined time to a time when the storage key is operated again. 7. The video signal reproducing apparatus according to claim 6, wherein the reproduced file is set to be erase-prohibited. 8. The video signal reproducing apparatus according to claim 7, further comprising time setting means for setting the fixed time. 9. The recording medium has recording time information as identification information of a file recorded on the recording medium, and has time setting means for setting a storage start time and a storage end time, and the file storage means has the recording time. 7. The file according to claim 6, wherein the file recorded on the recording medium is set to be erase-prohibited between the storage start time and the storage end time set by the time setting means with reference to information. Video signal reproducing device. 10. The video signal reproducing apparatus according to claim 6, further comprising means for calculating and displaying a time corresponding to an area in which the erasure can be set on the recording medium. 11. A video signal recording apparatus for recording a video signal into a file on a disc-shaped recording medium, the recording signal having identification information of a file recorded on the recording medium, the disc-shaped recording medium. After the video signal is recorded in the entire recording area of the video signal, the recording control means for controlling to record the video signal over the oldest file portion based on the recording time information is provided. Characteristic video signal recording device. 12. The video signal recording apparatus according to claim 11, wherein the recording control means does not perform the overwrite recording on a file portion set to be erase-prohibited. 13. The video signal is a video signal output from a video camera.
1. The video signal recording device according to 1.