JPH0832851A - Digital video camera equipment - Google Patents

Abstract

PURPOSE:To reduce the component of the digital video camera equipment by applying digital processing to a video signal so as to encode the signal and recording/reproducing the coded signal onto/from a magnetic tape. CONSTITUTION:A signal from an image pickup element 102 is A/D-converted and processed in a digital area and a video signal fed from external input terminals 300, 301, 302 is A/D-converted, and the digital video signal from the image pickup element 102 and an analog video signal from the external input terminals 300, 301, 302 is A/D-converted and the generated digital video signal are subjected to clock signal conversion into a data series with an equal frequency that of a digital magnetic recording signal processing circuit 117 respectively to apply the video signal received from a digital video camera system circuit and the external input terminal is fed to a digital magnetic recording signal processing circuit 117 in a form of digital signal to reduce the number of A/D converters and D/A converters.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital video camera device, and more particularly, it converts an analog video signal obtained from an image pickup device into digital data and performs signal processing in a digital state to obtain a luminance signal and a color signal component. And is suitable for use in a digital video camera device in which the luminance signal and the color signal component are digitally processed and coded to be recorded on a magnetic tape or a recording medium such as a magnetic disk. is there.

[0002]

2. Description of the Related Art FIG. 4 shows an example of a conventional digital video camera device. In FIG. 4, an image that has passed through the optical system 100 including a lens and the diaphragm optical system 101 such as an iris for adjusting the range of input light is a CCD.
An image is formed on the light-to-charge conversion element 102, etc., converted into an electric signal by the light-to-charge conversion element 102, and output as a video signal.

The output video signal is input to the video signal generator 1000. The video signal generator 1000
Is an A / D converter 104, a camera signal processing device 103,
Carrier color signal modulator 105, D / A converters 106 and 107
It is composed of

The video signal input to the video signal generator 1000 is converted into a digital data signal sequence by the A / D converter 104, and then input to a camera signal processing device 103 which generates a luminance signal and a color difference signal. To be done.

The camera signal processing device 103 includes an image pickup device 1
A luminance signal and a carrier color signal are generated from the A / D conversion output of 02 and output to the circuit of the next stage. The main signal processing performed by the camera signal processing apparatus is processing when the image sensor 102 is a color image sensor using a complementary color checkered filter, filter processing for removing a color component for extracting a luminance component, Filtering for frequency characteristic correction, gamma correction,
Delay and selection processing to obtain the imaging output of the same color filter,
Matrix processing for obtaining RGB data from the output, matrix processing for generating color difference data from the RGB data, and the like.

The A / D converter 104 and the camera signal processing device 103 are driven at the same frequency as the charge transfer clock of the light / charge conversion element 102. Then, the brightness signal output from the camera signal processing device 103 is converted into an analog brightness signal by the D / A converter 107 and the low-pass filter 109 and output.

The color difference signal C output from the camera signal processing device 103 is converted into a carrier color signal by a carrier color signal modulator 105, and then an analog carrier color is converted by a D / A converter 106 and a band pass filter 108. Converted to a signal. The carrier color signal modulator 105 is driven by a clock that is four times as large as a color subcarrier that complies with a desired broadcasting standard, and outputs the data rate carrier color signal.

The luminance signal and the carrier color signal obtained by processing the output of the image pickup device 102 are selected by the selectors 131, 1
It is supplied to one of the 30 inputs. The output of the selector 129 is supplied to the other input terminal of the selector 131. In addition, one input of the selector 129 is
The luminance signal output of the luminance / carrier color signal separator 110 for converting the composite video signal supplied from the composite video signal input terminal 200 into luminance and carrier color signals is supplied, and the other is supplied from the input terminal 201 to the outside. A brightness signal is provided.

The output of the selector 1291 is supplied to the other input terminal of the selector 130. Further, one input terminal of the selector 1291 is supplied with the carrier color signal output of the luminance / carrier color signal separator 110, and the other is supplied with the external carrier color signal inputted from the input terminal 202.

The analog luminance signal output from the selector 131 is subjected to band limitation by the low-pass filter 111, and then a clock having the same frequency as the clock driving the digital magnetic recording / reproducing signal processing circuit 117. Is converted into a digital data series by the A / D converter 112 driven by and is input to the digital magnetic recording / reproducing signal processor 117.

The analog carrier color signal output from the selector 130 is band-limited by the band-pass filter 213, demodulated into a color difference signal by the carrier color signal demodulator 214, and the A / D converter 215, At 216, the digital magnetic recording / reproducing signal processing circuit 117 is converted into a digital data sequence that changes at the same frequency as the clock driving the digital magnetic recording / reproducing signal processing circuit 117, and the digital magnetic recording / reproducing signal processing circuit 117 is converted.
Supplied to

Digital magnetic recording / reproducing signal processing circuit 1
In 17, video information compression processing for enabling real-time recording / reproduction, interleaving processing as a code error countermeasure for magnetic recording / reproduction, redundant code addition processing, magnetic recording modulation processing, magnetic recording demodulation processing, error detection, correction processing. ,
Deinterleave processing, video information restoration processing, etc. are performed.

The luminance signal reproduced by the digital magnetic recording / reproducing signal processing circuit 117 passes through the D / A converter 118 and the low-pass filter 121 to become an analog luminance signal, which is supplied to one of the selectors 125 and 127. It Also, the reproduced color difference signal is supplied to the D / A conversion supplies 119, 1
After passing through 20, the modulator 122 and the carrier signal modulator 123, an analog carrier color signal is provided and supplied to the selectors 126 and 128.

The output of the selector 131 is supplied to the other input terminal of the selector 125. In addition, the other input terminal of the selector 126 is connected to the selector 13
0 output is being supplied. Further, the output of the selector 131 is supplied to the other input terminal of the selector 127, and the output of the selector 130 is supplied to the other input terminal of the selector 128.

The output of the selector 125 is supplied to the external luminance signal output terminal 253, and the output of the selector 126 is supplied to the external carrier color signal output terminal 252. further,
The outputs of the selectors 127 and 128 are CRT and LCD.
Are supplied to the monitor means 124.

In the digital video camera device of FIG. 4 configured as described above, when camera signal recording is performed, the selector 130 selects the output of the bandpass filter 108. Further, the selector 131 selects the output of the low-pass filter 109, and the selectors 125 and 127 are selectors 13.
1 is selected, and the selectors 126 and 128 select the output of the selector 130. As a result, the camera signal is supplied to the digital magnetic recording / reproducing signal processing circuit 117, the external output terminals 252, 253, and the monitor means 24.

When recording an external signal, the selector 130 selects the output of the selector 1291 and the selector 131 selects the output of the selector 129. Further, the selectors 125 and 127 select the output of the selector 131,
The selectors 126 and 128 select the output of the selector 130.

In the case of external composite video signal recording,
The selector 129 selects the output of the luminance / carrier color signal separator 110, and the selector 1291 selects the output of the luminance / carrier color signal separator 110. As a result, the composite video signal is supplied to the digital magnetic recording / reproducing signal processing circuit 117, the external output terminals 252, 253, and the monitor means 24.

On the other hand, in the case of external luminance color separation signal recording,
The selector 129 selects the external luminance signal input 201, and the selector 1291 selects the external carrier color signal input 202. As a result, the luminance and color separation signals are transmitted to the digital magnetic recording / reproducing signal processing circuit 117, the external output terminal 252,
253 and monitor means 24.

During reproduction, the selectors 125, 127 select the output of the low-pass filter 121, and the selectors 126, 12
8 selects the output of the bandpass filter 123. As a result, the reproduced video signal is supplied to the external output terminals 252, 253 and the monitor means 24.

[0021]

In the case of the conventional digital video camera device shown in FIG. 4, a large number of A / D converters and D / A converters are required, so that the entire digital video camera device is required. There was a problem that the circuit scale became large.

In view of the above problems, it is an object of the present invention to reduce the number of constituent elements of a digital video camera device that digitally processes and codes a video signal to record and reproduce it on a magnetic recording medium.

[0023]

A digital video camera device of the present invention converts an analog video signal obtained by photoelectric conversion means for converting a subject image formed on an image pickup device into an electric signal into a digital video signal. A video signal from the digital video camera system circuit or an external input terminal for introducing an analog video signal supplied from the outside. A signal is supplied to a signal processing circuit for digital magnetic recording, a predetermined signal processing is performed by the signal processing circuit for digital magnetic recording, and the signal is recorded on a recording medium. A / D conversion means for converting an analog video signal to a digital video signal, and the digital video A clock converting means for clock-converting the digital video signal output from the camera circuit into a data series having the same frequency as the digital magnetic recording signal processing circuit, and the digital video signal output from the A / D converting means to the digital signal. A clock converting means for converting the data into a data series having the same frequency as the magnetic recording signal processing circuit, and a video signal supplied from the digital video camera system circuit and the external input terminal to the digital magnetic recording signal processing circuit. It is supplied in digital form.

According to another feature of the present invention, an analog carrier color signal is supplied to a signal processing circuit for digital magnetic recording, and predetermined signal processing is performed by the signal processing circuit for digital magnetic recording, and the signal is recorded on a recording medium. In the digital video camera device for recording, the A / D converter for converting the analog carrier color signal into a digital data series, and the carrier color signal converted into the digital data series into a color difference data series are demodulated. A carrier color signal demodulator for
A clock converter for converting each of the color difference data series output from the carrier color signal demodulator into a data series changing at the same frequency as the clock driving the digital magnetic recording signal processing circuit. There is.

[0025]

According to the present invention, the signal from the image pickup device is A / D converted and processed in the digital domain, the video signal supplied from the external input terminal is A / D converted, and the digital signal from the image pickup device is further converted. By clock-converting the digital video signal generated by A / D converting the video signal and the analog video signal supplied from the external input terminal into a data series having the same frequency as the digital magnetic recording signal processing circuit. An A / D converter necessary for constructing the apparatus so that video signals from the digital video camera system circuit and the external input terminal are supplied in the form of digital signals to the digital magnetic recording signal processing circuit. The number of D / A converters can be reduced.

Further, according to another feature of the present invention, the number of A / D converters required to form a supply circuit for supplying an analog carrier color signal to a digital magnetic recording signal processing circuit is reduced. It becomes possible.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a digital video camera device of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration diagram showing a first embodiment of the present invention. As shown in FIG. 1, an image that has passed through the optical system 100 including a lens and the diaphragm optical system 101 for adjusting the range of input light is C
An image is formed on the light / charge conversion element 102 such as a CD and output as a video signal.

The output video signal is sent to the A / D converter 10
4 is input, converted into a discrete / quantized data sequence, and input to the video signal generator 1000. The video signal generator 1000 according to the present embodiment includes a camera signal processing device 103. The image pickup signal data input to the video signal generator 1000 is input to the camera signal processing device 103 that generates a luminance signal and a color difference signal.

The camera signal processing device 103 includes the image pickup device 1
A luminance signal and a carrier color signal are generated and output from the A / D conversion output of No. 02. For example, when the image sensor 102 is a color image sensor using a complementary color checkered filter, color components are removed,
Filter processing for extracting the luminance component, filter processing for correcting the frequency characteristic of the optical system, gamma correction, delay and selection processing for obtaining the imaged output of the same color filter, for obtaining RGB data from the same color filter output Matrix processing, matrix processing for generating color difference data from the RGB data, and the like are performed. The above A / D converter 1
04, the camera signal processing device 103 is driven at the same frequency as the charge transfer clock of the light / charge conversion element 102.

Luminance signals and color difference signals obtained by processing the output of the image pickup device are selected as selectors 153, 154, 1
It is supplied to one of the 55 input terminals. The output of the selector 152 is supplied to the other input terminal of the selector 153. Also, the luminance signal output of the luminance / carrier color signal separator 110 is supplied to one input terminal of the selector 152, and the A / D converter 1 is supplied to the other input terminal.
Twelve outputs are provided.

The output of the A / D converter 112 is supplied to the input of the luminance / carrier color signal separator 110, and the A / D converter 1
The output of the selector 150 is supplied to the 12 inputs. Further, the output of the carrier color signal demodulator 160 is supplied to the other input terminals of the selectors 154 and 155.

The selector 151 is supplied to the input of the carrier color signal demodulator 160, the carrier color signal output of the luminance / carrier color signal separator 110 is supplied to one input terminal of the selector 151, and the other input terminal. A / D converter 113
Output is being supplied. The video signal supplied to the carrier color signal input terminal 302 is supplied to the input of the A / D converter 113.

The luminance / carrier color signal separator 110 and the carrier color signal demodulator 160 are driven at a frequency that is an integral multiple of the color carrier of the input composite video signal or carrier color signal.

The luminance and color difference signal data output from the selectors 153, 154 and 155 have the same frequency as the clock driving the digital magnetic recording / reproducing signal processing circuit 117 by the clock converters 114, 115 and 116, respectively. The data rate is converted and input to the digital magnetic recording / reproducing signal processing circuit 117.

Digital magnetic recording / reproducing signal processing circuit 1
In 17, video information compression processing for enabling real-time recording / reproduction, interleaving processing as a code error countermeasure for magnetic recording / reproduction, redundant code addition, magnetic recording modulation processing, magnetic recording demodulation processing, error detection / correction processing, Deinterleave processing, video information restoration processing, etc. are performed.

Digital magnetic recording / reproducing signal processing circuit 1
The luminance signal reproduced by 17 is supplied to one input terminal of the selector 156. Then, the output of the selector 156 passes through the luminance signal data D / A converter 119 and the low-pass filter 121 to become an analog luminance signal, which is supplied to the external luminance signal output terminal 303 and the monitor means 124. The output of the selector 153 is supplied to the other input terminal of the selector 156.

Digital magnetic recording / reproducing signal processing circuit 1
The color difference signal data reproduced by 17 is supplied to the clock converters 170 and 171. Clock converter 17
The outputs of 0 and 171 are supplied to selectors 157 and 158, respectively.

The outputs of the selectors 157 and 158 are supplied to the carrier color signal modulator 122. Then, the carrier color signal data generated by being modulated by the carrier color signal modulator 122 passes through the D / A converter 120 and the bandpass filter 123 to become an analog carrier color signal, and the carrier color signal output terminal 304. And monitor means 124
Supplied to Input to the other side of the selector 157,
The output of the selector 154 is supplied. The output of the selector 155 is supplied to the other input of the selector 158.

The digital video camera device of the present embodiment thus constructed operates as follows. That is, in the case of camera signal recording, the selector 153 selects the luminance signal output of the camera signal processing device 103, and the selector 1
54 and 155 select the color difference signal output of the camera signal processing device 013.

The selector 156 is the selector 153.
Of the selector 1 and the selectors 157 and 158 select the selector 1
54, 155 outputs are selected. The clock conversion circuits 114, 115 and 116 are supplied with a control signal having the same frequency as the image pickup element drive control signal and the magnetic recording / reproducing device control signal. As a result, the camera signal is transferred to the digital magnetic recording / reproducing signal processing circuit 117 and the external output terminal
3, 304 and the monitor means 24 and the like.

On the other hand, in the case of external signal recording, the selector 15
3 selects the output of the selector 152, and the selector 154,
155 selects the output of the carrier color signal demodulator 160. Further, the selector 156 selects the output of the selector 153, and the selectors 157 and 158 represent the selectors 154 and 155.
Select the output of The clock conversion circuits 114, 1
A control signal having an integral multiple of the color carrier frequency and a control signal having the same frequency as the magnetic recording / reproducing device control signal are supplied to 15, 116.

Selector 1 for external composite video signal recording
52 selects the luminance output of the luminance / carrier color signal separator 110, and the selector 151 selects the luminance / carrier color signal separator 110 carrier color signal output. As a result, the luminance signal and the chrominance signal obtained by separating and demodulating the composite video signal are supplied to the digital magnetic recording / reproducing signal processing circuit 117, the external output terminals 303 and 304, the monitor means 24 and the like.

In the case of external luminance color separation signal recording, the selector 152 selects the output of the A / D converter 112, and the selector 151 selects the output of the A / D converter 113.
As a result, the luminance and color separation signals are transmitted to the digital magnetic recording / reproducing signal processing circuit 117 and the external output terminals 303 and 30.
4 and monitor means 24 and the like.

In the case of reproduction, the selector 156 selects the digital magnetic recording / reproduction signal processing circuit 117, and the selectors 157 and 158 select the outputs of the clock converters 170 and 171. As a result, the reproduced video signal is supplied to the external output and monitor means 24. The clock conversion circuits 170 and 171 are provided with a magnetic recording / reproducing device control signal,
A control signal having the same frequency as the integral multiple of the color carrier is supplied.

Next, a second embodiment of the present invention will be described with reference to FIG. In the case of the second embodiment, as is apparent from FIG. 2, the output of the A / D converter 104 is the selector 221.
The output of the selector 221 is supplied to the input terminal of the one-sample (one-pixel) delay element 350.

The output of the A / D converter 333 is supplied to the other terminal of the selector 221. Also, the video signal supplied to the input terminal 302 is the A / D converter 3
After being converted into a digital signal at 34, the selector 15
1 is supplied.

The output of the delay element 350 is supplied to the one pixel delay element 351, and one input terminal of the average value calculators 172 and 173. In addition, the 1-pixel delay element 35
The output of 1 is (1 horizontal scanning line-2 pixels) delay element 3
60 and one of the input terminals of the average value calculator 371.

The output of (1 horizontal scanning line-2 pixels) delay element 360 is supplied to the input terminal of the 1-pixel delay element 352 and one input terminal of the average value calculator 370. The output of the 1-pixel delay element 352 is the 1-pixel delay element 353, the input terminal of the camera signal processing system 103, the adder 1
One of the input terminals of 81 is supplied to the minuend input of the subtractor 182.

The output of the 1-pixel delay element 353 is (1 horizontal scanning line-2 pixels) delay element 361 and average value calculator 3.
It is supplied to the other input terminal of 70. The output of the (1 horizontal scanning line-2 pixels) delay element 361 is supplied to the 1-pixel delay element 356 and one input terminal of the average value calculator 371.

The output of the 1-pixel delay element 356 is the input average calculator 172 of the 1-pixel delay element 357 and the average value calculator 1
It is supplied to the other input terminal of 73. The output of the 1-pixel delay element 357 is supplied to the input terminal of the average calculator 371. Also, the average value calculators 370, 371,
The output of 172 is input to the camera signal processing system 103.

When the image pickup device 102 is a color image pickup device using a complementary color checkered filter, the average value calculators 370 and 3 are used.
In the two-dimensional geometrical arrangement on the surface of the image sensor, the outputs of 71 and 172 are horizontal with respect to the one-pixel delay element 352, respectively.
It is the average value of adjacent pixels in which the same color filters in the diagonal direction and the vertical direction are arranged.

In the digital video camera device of the present embodiment having the above-described structure, the general operation is the same as that of the first embodiment described above, but in the case of camera signal recording,
The A / D converted data of the image pickup device is output to the delay systems 350 to 357, 360 and 361 and used for performing the synchronization processing.

Further, in the case of recording an external composite video signal, the A / D conversion data of the composite video signal is output to the delay systems 350 to 357, 360 and 361 and is used for performing the luminance / carrier color signal separation processing. .

Next, a third embodiment of the present invention will be described with reference to FIG. In the conventional digital video camera device shown in FIG. 4, a supply circuit for supplying the analog carrier color signal C to the digital magnetic recording signal processing circuit 117 includes a band-pass filter 213 and a carrier color signal demodulator 214.
And two A / D converters 215 and 216.

On the other hand, in the third embodiment, as shown in FIG. 3, the supply circuit uses an A / D converter 4 for converting an analog carrier color signal into a digital data series.
13 and a carrier color signal demodulator 214 for demodulating the carrier color signal converted into the digital data series into the color difference data series
And the color difference data series output from the carrier color signal demodulator 214, to the digital magnetic recording signal processing circuit 117.
Clock converters 415 and 41 for respectively converting into a data series that changes at the same frequency as the clock driving
It is composed of 6 and.

Therefore, in the case of the third embodiment, in order to configure the supply circuit for supplying the analog carrier color signal C to the digital magnetic recording signal processing circuit 117,
It is possible to reduce the number of A / D converters required in the past to one to one. Since the A / D converters 215 and 216 require more resources than the clock converters 415 and 416, reducing the A / D converters in this way simplifies the configuration of the entire apparatus. Will be able to.

[0057]

As described above, according to the present invention, the video signal supplied from the digital video camera system circuit and the external input terminal to the digital magnetic recording signal processing circuit is in a digital state. And the digital video signal output from the digital video camera system circuit and the digital video signal obtained by converting the analog video signal input from the external input terminal into a digital video signal are subjected to the signal processing for digital magnetic recording. Since the clock is converted into a data series having the same frequency as that of the circuit and supplied to the digital magnetic recording signal processing circuit, the number of A / D converters and D / A converters that require many resources can be reduced. Therefore, the configuration of the entire device can be simplified.

According to the third aspect of the invention, since the delay element for processing the camera signal and the delay element for separating the luminance / carrier color signal are shared, the resources for configuring these circuits are also provided. Can be reduced.

According to the invention of claim 5, it is possible to reduce the number of A / D converters necessary for constructing the supply circuit for supplying the analog carrier color signal to the digital magnetic recording signal processing circuit.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a digital video camera device showing a first embodiment of the present invention.

FIG. 2 is a configuration diagram of a digital video camera device showing a second embodiment of the present invention.

FIG. 3 is a configuration diagram of a digital video camera device showing a third embodiment of the present invention.

FIG. 4 is a block diagram of a digital video camera device showing a conventional example.

[Explanation of symbols]

 100 Optical System Consisting of Lenses 101 Iris Control System 102 such as Iris 102 Photoelectric Converter 103 Camera Signal Processing Device 104 A / D Converter 110 Luminance / Carrier Color Signal Separator 111 Low-Pass Filter 112 A / D Converter 113 A / D converter 114 Clock converter 115 Clock converter 116 Clock converter 117 Digital magnetic recording / reproducing signal processor 119 D / A converter 120 D / A converter 121 Low-pass filter 122 Carrier Color signal modulator 123 Band-pass filter 124 Monitor means 300 Decoded video signal input terminal 301 Luminance signal input terminal 302 Carrier color signal input terminal 304 Luminance signal output terminal 305 Carrier color signal output terminal 1000 Video signal generator 1291 Selector

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI technical display location H04N 5/92 9/45 J

Claims (5)

[Claims] 1. A digital video camera system circuit for converting an analog video signal obtained by photoelectric conversion means for converting an object image formed on an image pickup device into an electric signal into a digital video signal and outputting the digital video signal, and supplied from the outside. And an external input terminal for introducing an analog video signal, which supplies a video signal from the digital video camera system circuit or a video signal from the external input terminal to a digital magnetic recording signal processing circuit, In a digital video camera device in which predetermined signal processing is performed by the digital magnetic recording signal processing circuit to record on a recording medium, an analog video signal input from the external input terminal is converted into a digital video signal A The digital video signal output from the A / D converting means and the A / D converting means is recorded in the digital magnetic recording. Clock converting means for clock-converting to a data series having the same frequency as that of the signal processing circuit for digital clock, and clock-converting the digital video signal output from the circuit of the digital video camera system into a data series having the same frequency as that of the signal processing circuit for digital magnetic recording. And a clock converting means for converting the digital video camera system circuit and the external input terminal to the digital magnetic recording signal processing circuit to supply a video signal in a digital state. Video camera device. 2. A photoelectric conversion means having an image pickup device for converting a subject image formed on the image pickup device into an electric signal to generate a video signal, and a video signal output from the photoelectric conversion means. A conversion means for converting into a discrete / quantized data sequence, and a base which is a mutually independent element of a luminance signal / vector of the television broadcasting standard by processing the discrete / quantized data sequence derived from the conversion means. Signal processing means for generating and outputting a discrete / quantized data sequence corresponding to a band data signal in accordance with a first control signal having the same frequency as a signal for driving an image sensor, and in accordance with a control signal having a second frequency Means for generating discrete / quantized luminance signal data / baseband color signal data, and the luminance signal data / baseband color signal according to a control signal having a third frequency To process the data, discrete-this
Recording means for recording as quantized data on a magnetic recording medium, and a discrete recording medium according to the first control signal and the second control signal.
Data rate conversion means for converting the quantized luminance signal data / baseband chrominance signal data into a data sequence according to the frequency of the third control signal, and a second data sequence according to the control signal having the third frequency.
Conversion means for converting to a data sequence according to a control signal having a frequency of, a luminance signal / carrier color signal, an input terminal for externally inputting a video signal corresponding to a composite video signal, a luminance signal and a carrier color signal An image pickup signal recording apparatus comprising: an output terminal for outputting the image to the outside, and a confirmation unit for confirming the image pickup image, the input image, the recorded image, and the reproduced image. 3. A digital video camera system circuit for converting an analog video signal obtained by a photoelectric conversion means for converting an object image formed on an image pickup device into an electric signal into a digital video signal and outputting the digital video signal, and supplied from the outside. And an external input terminal for introducing an analog video signal, which supplies a video signal from the digital video camera system circuit or a video signal from the external input terminal to a digital magnetic recording signal processing circuit, In a digital video camera device in which predetermined signal processing is performed by the digital magnetic recording signal processing circuit to record on a recording medium, an analog video signal input from the external input terminal is converted into a digital video signal A And a digital video signal obtained by A / D converting the video signal data from the image sensor. Selecting means for selecting a digital video signal obtained by A / D converting an analog video signal input from an input terminal; delay means for delaying the digital video signal selected by the selecting means for a predetermined time; and the digital video camera system. Clock converting means for clock-converting the digital video signal output from the circuit into a data series having the same frequency as the digital magnetic recording signal processing circuit; and the digital video signal output from the A / D converting means, to the digital magnetic recording. And a clock converting means for clock-converting into a data series having the same frequency as that of the digital signal processing circuit, and a digital video signal supplied from the digital video camera system circuit and the external input terminal to the digital magnetic recording signal processing circuit. Characterized by supplying in the state A digital video camera apparatus. 4. An image pickup device, wherein a subject image is formed on the image pickup device, a video signal output from the image pickup device is converted into a discrete / quantized data series, and the data series is processed. A first control signal having the same frequency as a signal for driving an image pickup device of a discrete / quantized data sequence corresponding to a baseband data signal which is two mutually independent elements of a luminance signal / vector of the television broadcasting standard According to the control signal having the second frequency, the signal processing means for generating and outputting the luminance signal data and the baseband chrominance signal data which are discrete and quantized according to the control signal having the first frequency. Recording means for processing the luminance signal and color difference signal data and recording them as discrete / quantized data on a magnetic recording medium, and a discrete / quantized signal generated and output according to a first control signal. The luminance signal data and baseband color signal data
Data rate conversion means for converting into a data sequence according to the frequency of the control signal, and a data sequence according to the control signal having the second frequency as the first data sequence.
A conversion means for converting into a data sequence according to a control signal having a frequency of, an input terminal for inputting a video signal corresponding to a luminance signal, a carrier color signal, and a composite video signal from the outside, and a video signal from the image sensor Selection means for selectively inputting data and video signal data input from the outside to the delay means and selectively processing the output, and an output terminal for outputting the luminance signal and the carrier color signal to the outside And a confirmation means for confirming image pickup, input, recording and reproduction video, a digital video camera device. 5. A digital video camera device adapted to supply an analog carrier color signal to a digital magnetic recording signal processing circuit, perform predetermined signal processing in the digital magnetic recording signal processing circuit, and record the signal on a recording medium. An A / D converter for converting the analog carrier color signal into a digital data series, a carrier color signal demodulator for demodulating the carrier color signal converted into the digital data series into a color difference data series, and the carrier And a clock converter for respectively converting the color difference data series output from the color signal demodulator into a data series changing at the same frequency as the clock driving the digital magnetic recording signal processing circuit. And a digital video camera device.