JP3158649B2 - Video signal recording device, video signal reproducing device, video signal recording / reproducing device, and video signal recording / reproducing system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention records moving picture information and digital signals in different areas on a magnetic tape, for example.
Further, the present invention relates to a video signal recording device and / or a reproducing device for reproducing the moving image information and the digital signal.

[0002]

2. Description of the Related Art As an apparatus for recording a video signal on a recording medium, for example, a magnetic recording medium, for example, a video signal of a still image,
That is, a so-called electronic still camera that records video signals for one field or one frame on a so-called still video floppy disk, or a so-called camera-integrated 8 mm video tape recorder (hereinafter, referred to as a camera-integrated 8 mm VTR) that records video signals of moving images on a magnetic tape, for example. ) Etc. are known.

For example, in a camera-integrated 8 mm VTR, a magnetic tape is placed around a rotary head drum 211.
A pair of heads (hereinafter, referred to as a rotating head) wound at an angle of 180 degrees and helically scanning the magnetic tape forms a diagonal track 81 on the magnetic tape 80 as shown in FIG. . In a video area 82 corresponding to 180 degrees of the rotating head drum of each track 81, a luminance signal is FM-modulated, a carrier chrominance signal is converted to a low frequency, and an audio signal is FM-modulated.
A tracking signal for tracking servo, for example, a pilot signal for so-called ATF (Automatic Track Finding) control is frequency-multiplexed and recorded. Also, the remaining rotating heads of each track 81
PCM audio area 83 corresponding to about 30 degrees of the drum
In this example, a non-linearly quantized digital audio signal (hereinafter referred to as a PCM audio signal) is subjected to so-called cross-interleave code processing for error correction, and is recorded with a synchronization signal, parity, ID, and the like added thereto. It has become so. A cue track 84 and an audio track 85 are formed on both sides of the magnetic tape 80 by scanning with a fixed head. The cue track 84 records a cue signal used for, for example, the address of the recorded content or the beginning of the recorded content, and the audio track 85 records, for example, after-recording (after recording).
Audio signal is recorded.

Here, for example, in the above-mentioned 8 mm VTR, recording and reproducing not only audio signals but also digitized still image video signals in the PCM audio area 83 have been considered. The still image video signal in this case is, for example, a still image video signal obtained by pressing a shutter button for recording a still image separately from a normal recording button in a camera-integrated VTR.

When a moving image is photographed and reproduced by the above-described camera-integrated 8 mm VTR, the horizontal to vertical ratio (aspect ratio) is set to, for example, 1 in consideration of a range that naturally enters a human visual field.
A video is taken at 6: 9, reproduced, and displayed on a monitor having an aspect ratio of 16: 9.

[0006]

By the way, the aspect ratio information at the time of shooting a moving image of a camera-integrated 8 mm VTR as described above is discriminated on the reproducing side by means such as superimposing it on a V blank at the time of shooting. A video shot at 16: 9 can be played back at 16: 9, but a method of allowing the playback side to determine information on the aspect ratio at the time of shooting a still image is as follows.
Not yet. Therefore, when reproducing a still image shot with an aspect ratio of 16: 9, for example, an aspect ratio of 4: 3
In some monitors, some of the shot still images may not be reproduced, or the shot still images may be distorted.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has a video signal recording apparatus capable of recording a video signal of a still image and set aspect information on a recording medium, and a video signal recording apparatus for recording the video signal on a recording medium. It is an object of the present invention to provide a video signal reproducing device capable of adding aspect information to a video signal of a still image and outputting the video signal. A video signal recording / reproducing apparatus for recording a video signal of a still image and set aspect information on a recording medium, adding aspect information to the video signal of the still image recorded on the recording medium, and outputting the video signal; It is an object of the present invention to provide a video signal recording / reproducing system capable of switching an aspect ratio of a display image on a monitor based on aspect information of a video signal of a still image output by a recording / reproducing apparatus with aspect information added.

[0008]

According to the present invention, there is provided a video signal recording apparatus for recording a moving image and a video signal of a still surface on a removable recording medium. A memory capable of storing a video signal of an input still image, an aspect information setting unit configured to set information indicating the aspect ratio according to an aspect ratio of the video signal of the input still image, the memory and the aspect A control unit for controlling an information setting unit, wherein the control unit stores the video signal of the still image in the memory when the video signal of the input still image is recorded on the recording medium, According to the aspect ratio of the video signal of the still image, the aspect information setting section is controlled so as to set information indicating the aspect ratio, and the image of the still image stored in the memory is controlled. Signal read is controlled so as to record and aspect information set with the video signal read out the still image on the recording medium.

According to another aspect of the present invention, there is provided a video signal reproducing apparatus for reproducing a still image and a moving image recorded on a removable recording medium. Aspect information detection for detecting aspect information from the recording medium in which a memory capable of storing a read video signal of a still image and aspect information indicating an aspect ratio of the video signal of the still image are recorded together with the video signal of the still image Unit, and a control unit that controls the memory and the aspect information detection unit, wherein the control unit reads out from the recording medium when reproducing a video signal of a still image recorded on the recording medium. Storing the video signal of the still image in the memory, and controlling the aspect information detection unit to detect the aspect information of the video signal of the still image. Moni, reads the video signal of a still image stored in the memory, and controls so as to output the added aspect information to read-out the still picture of the video signal.

In order to solve the above-mentioned problems, a video signal recording / reproducing apparatus according to the present invention records video signals of moving images and still images on a removable recording medium. In a video signal recording / reproducing apparatus capable of reproducing a video signal of a still image, a memory capable of storing a video signal of a still image and an aspect ratio of the video signal of the input still image are displayed. An aspect information setting unit that sets information; an aspect information detection unit that detects aspect information from the recording medium in which aspect information indicating an aspect ratio of the video signal of the still image is recorded together with a video signal of the still image; And a control unit for controlling an aspect information setting unit and an aspect information detection unit. When recording a signal on the recording medium, the video signal of the still image is stored in the memory, and the aspect ratio is set so as to set information indicating the aspect ratio according to the aspect ratio of the video signal of the still image. Controlling the information setting unit, reading the video signal of the still image stored in the memory, and controlling the read video signal of the still image and the set aspect information to be recorded on the recording medium; When reproducing a video signal of a still surface recorded on a medium, a video signal of a still image read from the recording medium is stored in the memory, and the aspect information of the video signal of the still image is detected. While controlling the aspect information detection unit, the video signal of the still image stored in the memory is read out, and the aspect signal is added to the video signal of the still image that is successively output. The sea urchin control.
A video signal recording / reproducing system according to the present invention includes a monitor for switching an aspect ratio of a display image based on aspect information of a video signal of a still image output from the video signal recording / reproducing device. Is provided.

[0011]

The video signal recording apparatus and / or the reproducing apparatus according to the present invention records information corresponding to the aspect ratio of the still image input signal together with the still image input signal, detects the information corresponding to the aspect ratio, and detects the information. Since the signal indicating the aspect ratio is superimposed on the video signal of the still image and output, the aspect ratio of the monitor can be automatically switched.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a video signal recording apparatus and / or a video signal recording apparatus according to the present invention will be described.
Alternatively, an embodiment of the reproducing apparatus will be described with reference to the drawings.
In this embodiment, the present invention is applied to a so-called camera-integrated 8 mmV
TR (hereinafter simply referred to as VTR)
A description will be given of a video signal recording / reproducing apparatus that performs both recording and reproduction.

As shown in FIG. 1, a VTR, which is an embodiment of a video signal recording / reproducing apparatus according to the present invention, applies, for example, gamma correction and AGC processing to an image signal obtained by photographing a subject through a lens. A camera unit 10 for performing signal processing, a moving image video signal processing unit for converting a video signal from the camera unit 10 into an analog signal and outputting the analog signal, and performing signal processing such as contour compensation on a video signal such as a reproduced moving image. A still image signal processing unit 30 for performing signal processing such as data compression processing on one frame or one field of the image signal from the camera unit 10 and outputting the same, and reproducing a still image signal; An audio signal recorded in the PCM audio area on the magnetic tape 1 and an audio signal processing circuit 40 for processing an audio signal reproduced from the PCM audio area
And the analog video signal from the moving picture video signal processing unit 20, the digital video signal from the still picture video signal processing unit 30, and the signal from the audio signal processing circuit 40 in the so-called video area and PCM audio area of the magnetic tape 1. And a control unit 60 that controls the moving image video signal processing unit 20, the still image video signal processing unit 30, the audio signal processing circuit 40, and the like. Be composed.

The VTR performs signal processing such as knee and gamma correction on an image pickup signal obtained by photographing a subject with the camera unit 10 and then uses the processed signal as a video signal of a moving image. The video signal is recorded in the video area of the magnetic tape 1 and the video signal of the moving image recorded in the video area is reproduced and output as a video signal compliant with the so-called NTSC system, for example. Also, this VTR
Is one of the video signals obtained by the camera unit 10 as described above.
A frame or one field is recorded as a still image video signal in the PCM audio area of the magnetic tape 1, and the still image video signal recorded in the PCM audio area is reproduced, and the reproduced one frame or one field is reproduced. The video signal is repeatedly output as a video signal conforming to the NTSC system. At the time of recording the still image, in the process of PCM signal processing, information on the aspect ratio of the still image at the time of recording is also recorded on the magnetic tape 1 along with rearrangement of digital data. Then, at the time of reproduction, the aspect ratio information recorded on the magnetic tape 1 is detected and decoded, and a control signal is output.

More specifically, as shown in FIG. 1, the camera section 10 includes a lens 11 and a CCD image sensor (hereinafter referred to as a CCD) that converts light emitted through the lens 11 into an electric signal and extracts a video signal. 12 and this CCD 12
After sampling the video signal from the so-called AGC (Au
tomatic gain control) S / H & AGC circuit 1
3 and an analog / digital converter for converting the sampled video signal from the S / H & AGC circuit 13 into a digital signal.
A digital (hereinafter A / D) converter 14 and this A
A camera signal processing circuit 15 that performs various kinds of signal processing such as contour compensation, pedestal clamp, white clip, knee, gamma correction, and black clip on the video signal from the / D converter 14.

The camera section 10 performs various kinds of signal processing on a video signal obtained by photographing a subject, for example, contour compensation for compensating for insufficiency of a high frequency component of a spatial frequency of an optical system or an image pickup device, A signal processing such as a so-called pedestal clamp for preventing a so-called pedestal level serving as a reference of a black level from changing is performed, and the digital video signals subjected to these signal processings are converted into a moving image video signal processing unit 20 and a still image video signal processing unit. 30.

As shown in FIG. 1, the moving picture video signal processing section 20 performs signal processing suitable for recording on the video signal from the camera section 10 to form moving picture data. A video signal processing circuit 21 that supplies the video signal to the head unit 50, performs various signal processing such as contour compensation on the video signal read by the head unit 50, and then converts the video signal into a video signal compliant with, for example, the NTSC system. The digital / analog (hereinafter, referred to as D / A) converter 22 which converts the moving image data supplied from the video signal processing circuit 21 to an analog signal and supplies the analog signal to the head unit 50 is reproduced by the head unit 50. An A / D converter 23 that converts a video signal (analog signal) into a digital signal and supplies the video signal to the video signal processing circuit 21 as moving image data.

The moving picture image signal processing section 20 performs FM modulation of the luminance signal of the picture signal from the camera signal processing circuit 15 by a predetermined carrier, converts the carrier chrominance signal to a low frequency, and frequency multiplexes the moving picture data. Is formed, and the moving image data is supplied to the head unit 50 and the head unit 50 is formed.
Alternatively, the video signal from the still image video signal processing unit 30 is subjected to various signal processings, for example, contour compensation for compensating for deterioration of high frequency components in a reproduction system.

The still image / video signal processing unit 30
As shown in FIG. 1, a memory unit 31 for storing one frame or one field of the video signal from the camera unit 10 and one frame or one field of the video signal from the And a still image signal processing circuit 32 for reproducing the video signal by performing data decompression processing on the compressed data, and the compressed data from the still image signal processing circuit 32. A PCM signal processing circuit 33 for forming still image data by adding a synchronization signal, an error correction code, and aspect ratio information, and conversely performing an error correction process on the still image data to reproduce compressed data and the like. By controlling the aspect ratio information detected by the signal processing circuit 33 or the still image signal processing circuit 32, the carrier color from the video signal processing circuit 21 is controlled. Consisting changeover switch 34 for switching whether to add a DC voltage (e.g. 5V) via the adder 35 to No..

The still image signal processing unit 30 performs predetermined data compression, for example, so-called dynamic range encoding (ADRC: Adaptive Dynamics) on one frame or one field of the image signal from the camera signal processing circuit 15.
Range Coding) and Discrete Cosine Transform (DCT: Discrete C)
(Sine Transform) and add a sync signal, error correction code, and aspect ratio information.
The data is supplied to the head unit 50, and conversely, the still image data reproduced by the head unit 50 is subjected to signal processing such as data decompression processing, and the aspect ratio information is detected from the still image data.
The video signal of the obtained still image is converted into the moving image video signal processing unit 2
0 and a signal corresponding to the aspect ratio is superimposed on the video signal supplied from the video signal processing circuit 21 to the monitor output.

The audio signal processing circuit 40 supplies the input audio signal from the audio signal input terminal 41 to the PCM signal processing circuit 33, and in the PCM audio area on the magnetic tape 1 like the above-mentioned still image signal. Performs signal processing for recording. The audio signal processing circuit 40 performs signal processing for reproducing an audio signal recorded in the PCM audio area on the magnetic tape 1, and outputs an audio signal output terminal 4.
2 to derive the reproduced audio signal.

As shown in FIG. 1, the head section 50 includes an analog video signal from the moving picture video signal processing section 20, still picture data from the still picture video signal processing section 30, and the audio signal processing circuit. The time-division multiplexing of the audio signal from the audio signal 40 and the reproduction of the moving image analog video signal, the still image data, and the audio signal from the reproduced RF signal. A MUX 51 to be supplied to the signal processing circuit 40, an amplifier 53 for amplifying a time-division multiplexed recording signal from the MUX 51, an amplifier 54 for amplifying a reproduction RF signal,
A changeover switch 52 for switching the amplifier 53 and the amplifier 54 between recording and reproduction; and recording a signal on the magnetic tape 1 based on the exciting current from the amplifier 53 and reproducing a reproduction RF signal to reproduce the amplifier 54. And a rotary head 55 that supplies the rotating head 55.

The head unit 50 time-division multiplexes the analog video signal from the D / A converter 22 and the digital signal (still image data and audio data) from the PCM signal processing circuit 33, and performs video division on the magnetic tape 1. And a PCM audio area, and reproduces an analog video signal of a moving image and a digital signal of a still image data and an audio data, respectively.
To each supply.

As shown in FIG. 1, the control unit 60 controls the operation mode of the VTR, for example, a moving image shooting mode for recording a moving image signal, a still image shooting mode for recording a still image signal. Or a function control unit 61 for setting an aspect ratio selection mode or the like for selecting an aspect ratio within a shooting range in a still image shooting mode;
Each unit is controlled based on the control signal corresponding to the set mode from the function control unit 61 and the aspect ratio information reproduced from the still image video signal processing unit 30, and the aspect ratio information is recorded at the time of recording. A system controller 62 for supplying the PCM signal processing circuit 33; and a memory controller 63 for controlling an address of the memory unit 31 under the control of the system controller 62.
And an aspect ratio information adding section 64 for adding aspect ratio information to the PCM signal processing circuit 33 under the control of the system controller 62.

The control section 60 controls the still picture video signal processing section 30 to record aspect ratio information when a still picture is recorded on the magnetic tape 1. Then, at the time of reproduction, by detecting the aspect ratio information, a signal corresponding to the aspect ratio information is superimposed on a video signal of a still image and output.

The magnetic tape 1 has the same tape format as the magnetic tape 80 shown in FIG. 7, for example. That is, a track formed obliquely on the magnetic tape 1 by the helical scanning of the rotary head 55 is divided into a video area and a PCM audio area, a moving image is recorded in the video area as an analog video signal, and a static image is recorded in the PCM audio area. Images and sounds are recorded as digital signals.

Next, a case where a video signal of a still image is recorded in the VTR having the above-described configuration will be described. For example, when the user sets a still image shooting mode in the function control circuit 61, the system controller 62 detects a control signal corresponding to the setting and controls each unit to operate in the still image shooting mode. I do. When the shutter is operated, every time the shutter is operated, a shutter signal sent through the terminal 65 is detected, and one frame or one field of a video signal obtained by photographing the subject with the camera unit 10 is stopped. It is recorded in the PCM audio area of the magnetic tape 1 as a video signal of an image.
At this time, the lens 11 is controlled to switch the aspect ratio of the still image to be shot in accordance with the aspect ratio selected by the function control circuit 61. Therefore, the still image recorded in the PCM audio area of the magnetic tape 1 is a still image having one of a plurality of aspect ratios selected by the function control circuit 61. The system controller 62 detects a control signal (aspect ratio information) corresponding to the aspect ratio set in the function control circuit 61 and supplies the control signal to the PCM signal processing circuit 33 via an aspect ratio information adding unit 64. . The PCM signal processing circuit 33 adds the same aspect ratio information to the still image data from the still image signal processing circuit 32 as when shooting.

Here, the aspect ratio information adding section 64
A method of adding aspect ratio information to still image data by the PCM signal processing circuit 33 and recording the same on the magnetic tape 1 will be described.

Here, in a system for recording and reproducing digital still images, PCM audio (8-bit PCM audio and
Hi8-PCM) defines a format using an ID. For example, the assignment of the PCM-ID word in Hi8-PCM corresponds to ID0 used in 8-bit-PCM.
In addition to IDs 7 to 7, IDs 8 to 23 are newly defined. Table 1 shows the definitions of Hi8-PCM up to ID16. In Table 1, ID0 is an identification code for identifying the PCM audio signal (Audio) recorded in the PCM audio area and other digital signals (Others). In addition, since ID8 to ID10 are each composed of 2 bits, they have a total of 6 bits. In the other data recording mode (Others), the data type of, for example, a still picture digital video signal recorded in the PCM audio area is changed. An identification code for identification. The ID 11 is an identification code for identifying, for example, a video signal of a still image in a digital video signal of a still image in a mode called a basic A system that can be reproduced by a VTR of any manufacturer. The ID 16 is an identification code for identifying the recording start and end positions of the recorded digital video signal, the type of the digital video signal, the recording information (for example, aspect ratio) of the digital video signal in the basic mode of the still image.

[0030]

[Table 1]

Table 2 shows a case where the ID 16 is applied to the embodiment of the present invention.

[0032]

[Table 2]

As shown in Table 2, the aspect ratio is 4: 3.
Is defined by setting bit numbers (bit NO) 6 and bit NO 7 to “1” and “0”. The other “0” and “1”, “1” and “1”, “0” and “0” are unused (reserved). By defining an aspect ratio of 16: 9 using, for example, “0” and “1” in the reserved state, in the VTR of this embodiment, the aspect ratio is 4:
3, 16: 9 aspect ratio information can be recorded separately.

Next, a method of reproducing the aspect ratio information recorded on the magnetic tape 1 by the VTR, which is one embodiment of the video signal recording / reproducing apparatus according to the present invention, will be described. In FIG. 1, the still image data recorded in the PCM area of the magnetic tape 1 is supplied to the PCM signal processing circuit 33 via the head unit 50. The PCM signal processing circuit 33 performs error correction processing on the still image data and reproduces compressed data and the like. Then, the still image signal processing circuit 32 performs signal processing such as data decompression processing on the reproduced compressed data. As described above, the still image data is decoded via the PCM signal processing circuit 33 and the still image signal processing circuit 32 and stored in the memory unit 31. At this time, as described above,
The aspect ratio information recorded in the M-ID is the PCM described above.
The signal is detected by the signal processing circuit 33 or the still image signal processing circuit 32. Then, the switching operation of the changeover switch 34 is controlled according to the detected aspect ratio information. For example, if the detected aspect ratio information is 16: 9
At this time, the movable contact piece 34a of the changeover switch 34 is brought into contact with the fixed contact 34b. The video signal stored in the memory unit 31 is separated into a luminance signal and a carrier chrominance signal via the video signal processing circuit 21. Here, as described above, the PCM signal processing circuit 33 or the still image signal processing circuit 3
When the aspect ratio information detected in step 2 is 16: 9, the changeover switch 34 is controlled to superimpose, for example, 5 V DC on the carrier color signal via the adder 35, and the output terminal 24.
25 to control the monitor output.

Therefore, in this embodiment, the recording device records information corresponding to the aspect ratio of the input signal together with the still image information, the reproducing device detects the information corresponding to the aspect ratio, and responds to the aspect ratio. Since the output signal is superimposed on the carrier color signal and output to the monitor, the aspect ratio of the monitor can be automatically switched.

Next, a VTR as another embodiment of the video signal recording / reproducing apparatus according to the present invention will be described with reference to FIG. In FIG. 2, blocks having the same configuration and function as those of the embodiment shown in FIG. 1 are denoted by the same reference numerals, and description thereof is omitted. VTR to which other embodiments are applied
At the time of reproduction, for example, when the aspect ratio information is 16: 9, an ID insertion circuit 26 for inserting the aspect ratio information (ID) is added to a vertical (V) blank.

In FIG. 2, the still image data recorded in the PCM area of the magnetic tape 1 is supplied to the PCM signal processing circuit 33 via the head unit 50. The PCM signal processing circuit 33 performs error correction processing on the still image data and reproduces compressed data and the like. Then, the still image signal processing circuit 32 performs signal processing such as data decompression processing on the reproduced compressed data. Thus, the still image data is stored in the PC
The data is decoded via the M signal processing circuit 33 and the still image signal processing circuit 32 and stored in the memory unit 31. At this time, the aspect ratio information recorded in the PCM-ID as described above is detected by the PCM signal processing circuit 33 or the still image signal processing circuit 32. Then, the changeover switch 27 is switched according to the detected aspect ratio information.
Are controlled. For example, when the aspect ratio information is 16: 9, an ID indicating the aspect ratio information is inserted into the V blank of the video signal through the ID insertion circuit 26.

FIG. 3 shows an example of an ID code when a V blank is inserted. FIG. 3A shows data in one vertical scanning period. As data, for example, 1
Consider 6 bits. The 16 bits are divided into four bits each, and are designated as WORD0 (word 0), word 1, word 2, and CRC code as shown in FIG. 3B. Word 0 is defined as a basic parameter related to the video signal format as shown in FIG. First, bit No. 1 of word 0 indicates aspect ratio information. For example, when “1”, the aspect ratio information is 16: 9
, "0" indicates 4: 3. Also, bi
t NO. 2 shows the difference in display format when the aspect ratio is 4: 3 mode. That is, bit No. 2 is valid only in 4: 3 mode, and transmits the display format at that time. Therefore, when bit NO. 1 is “1” (16: 9), bit N
O.2 will be ignored on the monitor side. As shown in FIG. 4A, when a 4: 3 image is a so-called letterbox with upper and lower portions cut off and received by a 16: 9 monitor, the effective screen is completely filled as shown in FIG. 4B. 4 or cut and displayed on the top and bottom and side as shown in FIG. 4C. When the 4: 3 letterbox mode is input to a 4: 3 monitor, the monitor outputs the output without any operation. On the other hand, when bit NO. 2 is “0”, that is, the input video signal is a normal 4: 3 signal as shown in FIG. The image is displayed in a side cut as shown in FIG. B or in a vertically enlarged manner as shown in FIG. 5C. The display of the vertical enlargement creates invalid portions as indicated by broken lines above and below C in FIG. When a normal 4: 3 input video signal is received by a 4: 3 monitor, it is output as it is. Also, as shown in FIG. 6A, when a 16: 9 input video signal is received by a 4: 3 monitor, B in FIG.
The monitor is fully used as shown in FIG. 6C or the letter box with the upper and lower cuts, but only the portions indicated by broken lines on both sides of the image are discarded.

Therefore, in this other embodiment, the recording device records information according to the aspect ratio of the input signal together with the still image information, and the reproducing device detects the information according to the aspect ratio and outputs the information according to the aspect ratio. Since the corresponding signal is inserted into the V blank and output to the monitor, the aspect ratio of the monitor can be automatically switched.

The video signal recording apparatus and / or reproducing apparatus according to the present invention is not limited to the above embodiment. For example, a so-called deep recording system in which a recording area is divided in a thickness direction of a magnetic tape is used. The present invention can be applied to a video tape recorder or the like that employs such an apparatus and can record an analog video signal and a digital signal in these areas. Further, the recording device and the reproducing device may be separate units.

[0041]

According to the video signal recording apparatus of the present invention, the video signal of a still image is temporarily stored in a memory and the aspect ratio is set. Therefore, the video signal of the still image and the set aspect information are stored in a recording medium. Can be recorded. When reproducing a video signal of a still image recorded on a recording medium, the video signal reproducing device of the present invention temporarily stores the video signal of the still image recorded on the recording medium in a memory and detects aspect information. Thus, the read video signal can be output with aspect information added. Since the video signal recording / reproducing apparatus of the present invention temporarily stores the video signal of the still image in the memory and sets the aspect ratio, the video signal of the still image and the set aspect information can be recorded on the recording medium. it can. Also, since the video signal of the still image recorded on the recording medium is temporarily stored in the memory and the aspect information is detected, the read video signal can be output with the aspect information added. The video signal recording / reproducing system of the present invention records information corresponding to the aspect ratio of a still image input signal together with the still image input signal, detects information corresponding to the aspect ratio, and converts the signal indicating the aspect ratio into a still image Since the output is superimposed on the video signal of the monitor, the aspect ratio of the monitor can be automatically switched. Further, by adding the same aspect ratio information to a software tape, usability is further improved. Furthermore, if the ID of the PCM is used as the insertion position of the aspect ratio information, the information does not disappear even when dubbing.

[Brief description of the drawings]

FIG. 1 is a functional block diagram showing a configuration of an embodiment of a video signal recording device and / or a reproducing device according to the present invention.

FIG. 2 is a functional block diagram showing a configuration of another embodiment of a video signal recording device and / or a reproducing device according to the present invention.

FIG. 3 is a diagram for explaining a proposal of an ID code that can be used in another embodiment of the video signal recording device and / or the reproducing device according to the present invention.

FIG. 4 is a diagram for explaining switching of an aspect ratio of a monitor according to another embodiment of the video signal recording device and / or the reproducing device according to the present invention.

FIG. 5 is a diagram for explaining switching of an aspect ratio of a monitor according to another embodiment of the video signal recording device and / or the reproducing device according to the present invention.

FIG. 6 is a diagram for explaining switching of an aspect ratio of a monitor according to another embodiment of the video signal recording device and / or the reproducing device according to the present invention.

FIG. 7 is a diagram showing a tape format of a magnetic tape used in an 8 mm video tape recorder.

[Explanation of symbols]

 10 camera unit 20 moving image signal processing unit 30 still image signal processing unit 32 still image signal processing circuit 33 PCM signal Processing circuit 40 ... Sound processing unit 50 ... Head unit 60 ... Control unit

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H04N 5/91-5/956 H04N 5/782-5/783 G11B 20/10-20/12

Claims (4)

(57) [Claims] 1. A video signal recording apparatus for recording a video signal of a moving image and a still surface on a removable recording medium, comprising: a memory capable of storing a video signal of an input still image; Depending on the aspect ratio of the signal,
An aspect information setting unit configured to set information indicating the aspect ratio; and a control unit configured to control the memory and the aspect information setting unit. The control unit transmits a video signal of an input still image to the recording medium. When recording the still image, the video signal of the still image is stored in the memory, and the aspect information setting unit is controlled to set information indicating the aspect ratio according to the aspect ratio of the video signal of the still image. A video signal of a still image stored in the memory, and controlling to record the read video signal of the still image and the set aspect information on the recording medium. apparatus. 2. A video signal reproducing apparatus for reproducing a video signal of a still image and a moving image recorded on a removable recording medium, comprising: a memory capable of storing a video signal of a still image read from the recording medium; An aspect information detection unit that detects aspect information from the recording medium in which aspect information indicating an aspect ratio of the video signal of the still image is recorded together with a video signal of the image, and a control unit that controls the memory and the aspect information detection unit The control unit, when reproducing a video signal of a still image recorded on the recording medium, stores the video signal of the still image read from the recording medium in the memory, Controlling the aspect information detection unit to detect the aspect information of the video signal of the video signal and reading the video signal of the still image stored in the memory. Video signal reproducing apparatus characterized by controlling so as to output the added aspect information to read-out the still picture of the video signal. 3. A video signal recording / reproducing apparatus capable of recording video signals of moving images and still images on a removable recording medium and reproducing video signals of moving images and still images recorded on the recording medium. According to the aspect ratio of the input still image signal and the memory that can store the still image signal,
An aspect information setting unit that sets information indicating the aspect ratio; and an aspect information detection unit that detects aspect information from the recording medium in which the aspect information indicating the aspect ratio of the video signal of the still image is recorded together with the video signal of the still image. And a control unit that controls the memory, the aspect information setting unit, and the aspect information detection unit. The control unit, when recording a video signal of an input still image on the recording medium, The video signal of the image is stored in the memory, and according to the aspect ratio of the video signal of the still image, the aspect information setting unit is controlled to set information indicating the aspect ratio, and the image signal is stored in the memory. Read out the video signal of the read still image, and record the read video signal of the still image and the set aspect information on the recording medium. When reproducing the video signal of the still surface recorded on the recording medium, the video signal of the still image read from the recording medium is stored in the memory, and the aspect information of the video signal of the still image is stored. In addition to controlling the aspect information detection unit to detect the video signal, the video signal of the still image stored in the memory is read, and the video signal of the subsequent still image is controlled to be added with the aspect information and output. A video signal recording / reproducing device characterized by the above-mentioned. 4. A video signal recording / reproducing device according to claim 3, further comprising: a monitor for switching an aspect ratio of a display image based on aspect information of a video signal of a still image output from the video signal recording / reproducing device. Characteristic video signal recording and playback system.