JPH099107A - Communication synthesis video camera system - Google Patents

Abstract

PURPOSE: To provide the communication synthesis video camera system in which video and audio signals obtained by pickup at two angles are easily synthesized and the synthesis signal is recorded. CONSTITUTION: This system is provided with a 1st video camera means 1 having a communication means 11 sending video and audio signals obtained by pickup, with a communication means 12 receiving the video and audio signals sent from the means 11, with a 2nd video camera means 26 picking up and collecting video and audio signals other than those of the 1st video camera means 1, with a synthesis means 19 synthesizing the received video and audio signals from the 1st video camera means 1 and the video and audio signals from the 2nd video camera means 26, and with a recording reproduction means 24 recording/reproducing the synthesized video and audio signals.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication / synthesis video camera system for communicating, synthesizing, recording / reproducing video and audio of two video cameras.

[0002]

2. Description of the Related Art FIG. 10 is a block diagram showing a schematic structure of a conventional video system for synthesizing a video image picked up from two angles and a voice picked up by a video camera. Video and audio are simultaneously reproduced by video 1 and video 2 and input to the editing machine 3. The editing machine 3 synthesizes these two images and sounds, outputs them to the video 4, and causes the video 4 to record them. The editor confirms the image recorded on the video 4 by the editing machine 3 on the monitor 5.

[0003]

However, in the above-mentioned conventional video system, when video and audio taken from two angles are recorded, three videos 1, 2, 4 are used.
However, there is a drawback in that many equipments such as the editing machine 3 and the monitor 5 and a technique such as setting for editing are required.

The present invention has been made in view of the above points, and an object of the present invention is to provide a communication synthesis video camera system capable of easily synthesizing and recording video and audio taken from two angles. To do.

[0005]

In order to achieve the above object, according to the present invention, there is provided a first video camera means having a communication means for transmitting a photographed video and a collected voice, and the first video camera means. Communication means for receiving video and audio, second video camera means for capturing and collecting video and audio different from the first video camera means, and received video and video for the first video camera means. It is configured to include a synthesizing unit for synthesizing the sound and the image and sound of the second video camera unit, and a recording / reproducing unit for recording / reproducing the synthesized image and sound.

[0006]

The video and audio collected by the first video camera means are transmitted by the communication means, the video and audio are received, and the video and audio captured by the second video camera means are collected. The synthesizing unit synthesizes the sound, the received image and sound from the first video camera unit.
Then, the combined video and audio are recorded in the recording / reproducing means.

[0007]

【Example】

(First Embodiment) An embodiment of the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram showing the outline of an optical communication communication video camera system to which the present invention is applied, and FIG.
2 is a block diagram of the communication composition video camera system of FIG. 1. FIG.

In FIG. 1, the communication synthesis video camera system captures an object, for example, a competition from different angles by the video camera 1 on the transmission side and the video camera 26 on the reception side and collects sound. The video camera 1 transmits an image signal and an audio signal to the video camera 26 side by a communication means, for example, an optical transmission means. The video camera 26 synthesizes the image signal captured by itself and the audio signal collected and the image signal and the audio signal transmitted from the video camera 1 into two screens, and the two screens are combined. The image is displayed on the viewfinder 25 of the video camera 26. In this way, two video cameras 1 and 26
Take a picture of the game from different angles and combine it into two screens.

In FIG. 2, the video camera 1 on the transmitting side is shown.
Is an image pickup device 2 including a photographing lens and an image pickup device (CCD), a camera signal processing circuit 3 for converting a video signal output from the image pickup device 2 into a video signal, and an output signal of the camera signal processing circuit 3. Predetermined carrier example, 11MH
An FM modulator 4 for modulating the FM wave of z, a display (EVF) 5 such as an electronic viewfinder for displaying a video signal output from the camera signal processing circuit 3, and a microphone for recording (hereinafter simply referred to as “microphone”). 6) and microphone 6
Audio signal processing circuit 7 for processing directivity and AGC of the output signal of the audio signal and the audio signal output from the audio signal processing circuit 7 by a predetermined carrier, for example, 1.3M.
FM modulator 8 that modulates to an FM wave of Hz, and FM modulator 4
Adder 9 for synthesizing the video signal output from the FM modulator and the audio signal output from the FM modulator 8, an LED driver 10 for amplifying the synthesized signal, and the LED driver 1
A light-emitting element driven by 0 to emit light, for example, an infrared ray L
It is composed of the ED 11 and the like. The video and audio signals FM-modulated by the light emitting element are transmitted by an optical signal of infrared light.

The receiving side video camera 26 receives, for example, an optical signal optically transmitted from the transmitting side video camera 1, for example, a PIN photodiode light receiver 12 and a light receiver 12.
The high-pass filter (HPF) 13 which removes the low frequency component of the audio signal band in the signal output from the device and the signal in the audio signal band in the signal output from the photodetector 12 A band pass filter (BPF) 15 that passes the signal, an FM demodulator 14 that demodulates the video signal that has passed the high pass filter 13, an FM demodulator 16 that demodulates the audio signal that has passed the band pass filter 15, and an imager 17. A camera signal processing circuit 18 that converts a video signal output from the image pickup device 17 into a video signal, a microphone 21 for collecting sound, and an audio that performs processing such as directivity and AGC on the audio signal output from the microphone 21. The signal processing circuit 22 and the video signal output from the FM demodulator 14 are combined with the video signal output from the camera processing circuit 18. A video synthesizer 20, a synthesizer circuit 19 including an audio synthesizer 23 that synthesizes an audio signal output from the FM demodulator 16 and an audio signal output from the audio signal processing circuit 22, a video synthesizer 20 and an audio synthesizer. Recorder 24 for recording the video and audio signals output from the synthesizer 23
And a display device (EVF) 25 for displaying an image by a video signal output from the video synthesizer 20. Examples of the recorder 24 include a digital disk and a digital memory.

Next, the synthesis circuit 19 will be described. FIG. 3 is a block diagram of the video synthesizer 20, and FIG.
3 is a block diagram of an audio synthesizer 23. FIG. In FIG. 3, the video synthesizer 20 includes first storage means for storing a video signal input from the video camera 1, second storage means for storing a video signal input from the video camera 26, and these storage means. It is composed of a synthesizing means for reading out the recorded video signals, synthesizing them, and outputting them.

The first storage means includes an input terminal 301 for the video input signal 1 input from the FM demodulator 14 and a sync signal separation circuit 3 for separating the sync signal from the video input signal 1.
02, an A / D converter 303 for converting the video input signal 1 into a digital signal, a memory 305 for storing the digitally converted video signal, and a sync signal separation circuit 302.
The PLL circuit 304 generates a clock signal locked to the synchronization signal output from the A / D converter 303 and supplies it to the memory 305 as a write clock signal as a sampling clock signal.

The second storage means is the camera signal processing circuit 1.
Input terminal 306 for video input signal 2 input from
A sync signal separation circuit 307 for separating the sync signal from the video input signal 2, an A / D converter 308 for converting the video input signal 2 into a digital signal, and a memory 310 for storing the digitally converted video signal, A PLL circuit 309 which generates a clock signal locked to the synchronization signal output from the synchronization signal separation circuit 307 and supplies it to the A / D converter 308 as a sampling clock signal and to the memory 310 as a write clock signal. There is.

The synthesizing means generates a reference clock signal, supplies it to the memories 305 and 310 as a read clock signal, and supplies it to the switching control circuit 313, the synchronization generation circuit 314 and the D / A converter 315 as a synchronization clock signal. Switching circuit 312 for switching the signal from the memory 305 input to the input terminal 312A and the signal from the memory 310 input to the input terminal 312B to output to the output terminal 312C. Switching control circuit 313 for controlling the signal, a D / A converter 315 for converting the composite signal output from the changeover switch 312 into an analog signal, and a synchronization signal generation circuit 3 for generating a synchronization signal by the clock signal of the transmission circuit 311.
14, an adder circuit 316 for adding a synchronizing signal to the signal output from the D / A converter 315, and an output terminal 317 for the signal output from the adder circuit 316.

The audio synthesizer 23 receives the audio input signal 1 input from the FM demodulator 16 as shown in FIG.
Input terminal 401, an audio input signal 2 input from the audio signal processing circuit 22, an adder circuit 403 for combining the audio input signals 1 and 2, and an output terminal 404 for outputting the combined audio signal. Has been done.

The operation will be described below.

The video imaged as an electric signal by the image pickup device 2 of the video camera 1 on the transmission side is converted into a video signal by the camera signal processing circuit 3 and is then displayed (EVF).
It is projected on 5. At the same time, the video FM modulator 4 modulates the carrier into an FM wave of 11 MHz and sends it to the adder 9. On the other hand, voice is converted into an electric signal by the microphone 6, processed by the audio signal processing circuit 7 such as directivity and AGC, and modulated by the FM modulator 8 at a carrier of 1.3 MHz. In the adder 9, the video signal and the audio signal are frequency-multiplexed, amplified by the LED driver 10, and transmitted from the infrared LED 11 to the receiving side video camera 26.
Is output to the blank question for.

The light receiver 12 of the video camera 26 on the receiving side sends the received signal from the video camera 1 to the two filters 13 and 15. The high-pass filter 13 removes low frequency components in the audio signal band, and the video FM
Send to demodulator 14. The video signal sent by the video FM demodulator 14 is demodulated and sent to the video synthesizer 20. The band pass filter 15 extracts the band of the audio signal, the FM demodulator 16 demodulates the audio signal, and the demodulated audio signal is sent to the audio synthesizer 23.

On the other hand, the video camera 2 on the receiving side, which is installed to capture an angle different from that of the video camera 1.
6, in the same manner as the video camera 1, the image is captured by the image pickup device 17
Is captured by the camera signal processing circuit 18 as a video signal and converted into a video signal by the camera signal processing circuit 18.
Sent to The voice is converted into an electric signal by the microphone 21, and the directivity and AG are converted by the audio signal processing circuit 22.
Processing such as C is performed and sent to the audio synthesizer 23.

Input terminal 30 of video synthesizer 20 (FIG. 3)
1, a video input signal 1 is input from the video camera 1, and a video input signal 2 is input to the input terminal 306 from the video camera 26. These two input terminals 30
The video input signals 1 and 2 input to 1 and 306 are the sync separation circuits 302 and 307 and the A / D converters 303 and 308.
Sent to The sync separation circuits 302 and 307 separate the sync signal from the video signal and send it to the PLL circuits 304 and 309. The PLL circuits 304 and 309 generate a clock signal locked to the synchronization signal, and the A / D converter 303,
308 to the memory 305 as a sampling clock,
It is supplied to 310 as a write clock. The A / D converters 303 and 308 convert the input video signals 1 and 2 into digital signals and write them in the memories 305 and 310.

The oscillator circuit 311 generates a reference clock signal and supplies it to the memories 305 and 310 as a read clock. The video data read from the memories 305 and 310 are input to the changeover switch 312, respectively.
The switching control circuit 313 counts the clock from the transmission circuit 311 and, like the image in the viewfinder of the video camera 26 in FIG. 1, the two images of the video cameras 1 and 26 are centered in the horizontal synchronization period of the video signal. The change-over switch 321 is controlled so as to switch.

In the video signal output from the changeover switch 312, two videos are combined at the center of the screen, and D /
The A converter 315 converts the analog video signal back into an analog video signal in accordance with the clock signal from the transmitting circuit 311 and sends it to the adding circuit 316. The synchronization generation circuit 314 also generates a synchronization signal by the clock signal from the transmission circuit 311, and the addition circuit 316.
Send to The adder circuit 316 adds the sync signal to the combined video signal and outputs it from the video output terminal 317.

On the other hand, the input terminal 40 of the audio synthesizer 23
The FM demodulator 16 is input to 1 and the audio input signals 1 and 2 are input to the input terminal 402 from the audio signal processing circuit 22. These two audio input signals 1, 2
Is simply added by the adder 403 as it is as an analog signal and output from the audio output terminal 404. Here
The gains of the signals at the time of addition are adjusted so as to be within the dynamic range.

In this way, the video and audio are synthesized and sent to the recorder 24 of FIG. 2 for recording. The recording medium at this time is a magnetic tape, a disk, a semiconductor memory, or the like, and recording is performed as it is as an analog signal or is recorded again after being converted into a digital signal. When reproduced, the video signal is displayed on the display (EVF) 25,
As in the viewfinder of the video camera 26 on the receiving side in FIG. 1, two images with different angles are divided into two and displayed on one screen.

(Second Embodiment) In the first embodiment, the infrared light transmission system is used as the communication means with the two video cameras 1 and 26. However, as another system, a radio system using radio waves and a coaxial cable are used. There is a wired system. 5 is a block diagram of a wireless communication compositing video camera system according to a second embodiment of the present invention, and FIG. 6 is a block diagram of a wired communication compositing video camera system. 5 and 6, the same circuits as those in FIG. 2 are denoted by the same reference numerals and detailed description thereof will be omitted.

In FIG. 5, the video camera 1 has a built-in radio wave generator 501 for wirelessly transmitting a signal in which a video signal and an audio signal on the transmission side are frequency-multiplexed, and the video camera 206 has a radio wave generator. A receiver 503 that receives the radio waves sent from the device 501 is built in.

In the video camera 1, a signal obtained by frequency multiplexing the video signal and the audio signal by the adder 9 is emitted to the space as a radio wave by the radio wave generator 501. In the first embodiment, the optical signal is emitted from the video camera 1 on the transmitting side to the video camera 26 on the receiving side.
In the embodiment, it is a radio wave, and it is not necessary to care about the directivity.

In the video camera 26, the radio wave emitted from the video camera 1 is received by the antenna 502, the waveform is shaped and the gain is adjusted by the receiver 503, and output to the high pass filter 13 and the band pass filter 15. The subsequent signal processing is the same as in the case of the first embodiment.

Next, the case where the coaxial cable shown in FIG. 6 is used will be described. In FIG. 6, the transmission side video camera 1 and the reception side video camera 26 are coaxial cables 60.
Connected by 3. The video camera 1 sends the video signal from the camera signal processing circuit 3 to the coaxial cable 603A.
And a line driver 602 for outputting the audio signal from the audio signal processing circuit 7 to the coaxial cable 603B. on the other hand,
The video camera 26 receives the video signal input from the coaxial cable 603A and supplies the video signal to the video synthesizer 20, and receives the audio signal input from the coaxial cable 603B and receives the audio synthesizer 23.
To the line receiver 605.

In the video camera 1, as in the case of the first embodiment, the video signal and the audio signal shot are output from the respective line drivers 601 and 602, and are transmitted through the coaxial cables 603A and 603B.
6 is transmitted. In the video camera 26, the coaxial cables 603A and 603B are connected to the line receivers 604 and 605.
And receives the video signal and the audio signal, respectively, and sends them to the video synthesizer 20 and the audio synthesizer 23 of the synthesizer circuit 19. The subsequent signal processing is the same as in the case of the first embodiment.

(Third Embodiment) In the first embodiment, the audio signal is described as one channel, but the audio is generally two stereo channels. FIG. 7 is a block diagram of a 2-channel audio synthesizer 23 'of the communication synthesis video camera system according to the third embodiment of the present invention. In FIG. 7, the 2-channel audio synthesizer 23 ′ is a channel 1 of the audio input signal 1 from the video camera 1.
The input terminals 701 and 702 of the channel 2, the adder 703 that combines the channels 1 and 2 of the audio input signal 1 input from these input terminals, the output terminal 704 that outputs the combined audio signal, and the video camera 26.
Input terminals 705 and 706 of channels 1 and 2 of the audio input signal 2, the adder 707 that synthesizes the two audio signals input from these input terminals, and the output terminal 708 that outputs the synthesized audio signal. It is composed of and.

The signal processing method is the same as that of the audio synthesizer 23 of FIG. 4 of the first embodiment. That is, channels 1 and 2 of the audio input signal 1 from the video camera 1 of FIG. 1 are input from the input terminals 701 and 702, combined by the combiner 703, and output from the output terminal 704.
The channels 1 and 2 of the audio input signal 2 from the video camera 26 are input from the input terminals 705 and 706, combined by the combiner 707, and output from the output terminal 708. Then, the audio signal 1 of the video camera 1 output from the output terminal 704 is recorded in the channel 1 of the recorder 24 (FIG. 2), and the audio signal 2 of the video camera 26 output from the output terminal 708 is the audio signal 1 of the recorder. It is recorded on channel 2 of D24.

Further, in a system in which the video cameras 1 and 26 collect sound in one channel of monaural and record in two channels, it is easy to imagine that the synthesizer shown in FIG. 7 is not necessary.

Furthermore, the currently proposed digital V
In the CR format, 4-channel recording mode for voice is prepared. When recording stereo 2-channel audio of the system of the present invention in a recorder having such a format, among the four channels, the channels A and B of the channel 1 are the channels 1 and 2 of the video camera 1 and the channel 2 is the channel 2. The channels 1 and 2 of the video camera 26 are assigned to the C channel and the D channel. At this time, the digitization of the audio signal is
In the recorder 24 in FIG. 1 and in the synthesis circuit 19,
It goes without saying that any circuit may be used.

(Fourth Embodiment) In the first embodiment, as shown in FIG.
Although the video signal synthesizing process shown in (1) is performed by digital signal processing, it can be naturally performed by analog signal processing. FIG. 8 is a block diagram of an analog communication synthesis video camera system of the present invention. In FIG. 8, the same circuits as those shown in FIG. 1 are designated by the same reference numerals, and detailed description thereof will be omitted. In FIG. 8, the FM demodulator 14
The video signal output from the PL is supplied to the video synthesizer 20 and also to the PLL circuit 801.
The L circuit 801 generates a signal locked to the synchronizing signal of the video signal and supplies the signal to the camera signal processing circuit 18 and the video synthesizer 20.

Similar to the first embodiment, the video signal sent from the video camera 1 is sent from the FM demodulator 14 to the video synthesizer 20 and also to the PLL circuit 801. The PLL circuit 801 generates a synchronization signal locked to the synchronization signal in the sent video signal, and sends the synchronization signal to the video synthesizer 20 and the camera signal processing circuit 18.

The camera signal processing circuit 18 controls the image pickup device 17 by using the sent synchronization signal to produce a video signal. That is, the video camera 26 becomes a system for capturing an image in synchronization with the video signal of the video camera 1.
Then, as in the case of the first embodiment, two synchronized video signals are sent to the video synthesizer 20. FIG. 9 shows an internal block diagram of the video synthesizer 20 of the analog communication synthesis video camera system.

In FIG. 9, the video synthesizer 20 includes a sync signal input terminal 901, two video input terminals 902,
903, a changeover switch 905 for changing over and outputting the video signals input from the input terminals 902 and 903, a changeover control circuit 904 for changing over and controlling the changeover switch 905 by a synchronizing signal inputted through the input terminal 901, and a video signal It is composed of an output terminal 906 for outputting.

Video input signals 1 of the video cameras 1 and 26 input from the two video input terminals 902 and 903,
2 is sent to the changeover switch 905. Switching control circuit 9
04 receives the sync signal supplied from the PLL 801 from the sync input terminal 901, and shoots with the video cameras 1 and 26 at the center of the horizontal sync period of the video signal like the image in the viewfinder of the video camera 26 of FIG. The changeover switch 905 is controlled so that the two images are switched.
The video signal output from the changeover switch 905 is
Two images are combined at the center of the screen and output from the video output terminal 906. The subsequent signal processing is the same as in the case of the first embodiment. The recorder 24 may be, for example, an analog VCR or an analog disc.

[0041]

As described above, according to the present invention,
The first video camera means having a communication means for transmitting the captured image and the collected sound, the communication means for receiving the transmitted image and sound, and the first video camera means are different from each other. Second video camera means for capturing and collecting video and audio, synthesizing means for synthesizing the received video and audio of the first video camera means and video and audio of the second video camera means, respectively. And a recording / reproducing means for recording / reproducing the composited video and audio, so that it is possible to shoot from two angles without requiring a lot of equipment and a technique such as setting for editing. Video and audio can be easily recorded and played back.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an outline of an optical communication communication video camera system of the present invention.

2 is a block diagram of the optical communication communication composition video camera system of FIG. 1;

3 is a block diagram of a video synthesizer of the synthesizer circuit of FIG.

FIG. 4 is a block diagram of an audio synthesizer of the synthesizer circuit of FIG.

FIG. 5 is a block diagram of a wireless communication synthesis video camera system of the present invention.

FIG. 6 is a block diagram of a wired communication synthesis video camera system of the present invention.

FIG. 7 is a block diagram of a 2-channel audio synthesizer of a communication synthesis video camera system.

FIG. 8 is a block diagram of an analog communication synthesis video camera system of the present invention.

9 is an internal block diagram of the video synthesizer of FIG. 8. FIG.

FIG. 10 is a block diagram showing a schematic configuration of a conventional video system.

[Explanation of symbols]

 1 Video camera on the transmission side 2 Imager 3 Camera signal processing circuit 4 FM modulator 5 Display (EVF) 6 Microphone 7 Audio signal processing circuit 8 FM modulator 9 Adder 10 LED driver 11 Infrared LED 12 PIN photodiode 13 High pass Filter (HPF) 14 FM demodulator 15 Band pass filter (BPF) 16 FM demodulator 17 Imager 18 Camera signal processing circuit 19 Synthesis circuit 20 Video synthesizer 21 Microphone 22 Audio signal processing circuit 23 Audio synthesizer 24 Recorder circuit 25 Display Device (EVF) 26 Video camera on receiving side 301 Video signal input terminal 302 Sync separation circuit 303 A / D converter 304 PLL circuit 305 Memory 306 Video signal input terminal 307 Sync separation circuit 308 A / D converter 309 PLL times 310 memory 311 transmission circuit 312 changeover switch 313 changeover control circuit 314 synchronization generation circuit 315 D / A converter 316 addition circuit 317 video signal output terminal 401, 402 audio signal input terminal 403 addition circuit 404 audio signal output terminal 501 radio wave generator 502 Antenna 503 Receiver 601, 602 Line driver 603 Coaxial cable 604, 605 Line receiver 701, 702 Audio signal input terminal 707 Adder 708 Audio signal output terminal 801 PLL circuit 901 Sync signal input terminal 902, 903 Video input terminal 905 Changeover switch 906 Video signal output terminal

Continuation of front page (51) Int.Cl. ⁶ Identification code Office reference number FI Technical display area H04N 5/91 L

Claims (16)

[Claims] 1. A first video camera unit having a communication unit for transmitting a captured image and a collected sound, a communication unit for receiving the transmitted image and sound, and the first video camera. Second video camera means for capturing and collecting video and audio different from the means, received video and audio of the first video camera means, and video and audio of the second video camera means. A communication-combining video camera system comprising: a composing means for respectively composing and a recording / reproducing means for recording / reproducing the composited video and audio. 2. The communication-synthesized video camera system according to claim 1, wherein the communication unit performs communication by optical space transmission using infrared rays. 3. The communication-synthesized video camera system according to claim 1, wherein the communication unit performs communication by wireless interrogation transmission. 4. The communication-synthesized video camera according to claim 1, wherein the communication unit performs wired communication. 5. The image of the synthesizing means is processed by digital signal processing, and the synthesizing means separates a synchronizing signal from each video signal input from each of the video camera means, and the separating means. For generating a clock signal locked to each synchronized signal
A circuit, an A / D converter for converting each of the video signals into a digital signal, a memory for storing each of the digital signals, and a selector switch for switching and outputting each of the digital signals read from each of the memories The communication synthesis video camera system according to claim 1, wherein the communication synthesis video camera system is configured by: 6. The synthesizing means synthesizes 1 channel of audio into 2 channels each on the left and right, and the audio from the first video camera means is input to channel 1 and the audio from the second video camera means is input. The communication synthesis video camera system according to claim 1, wherein the communication synthesis video camera system is assigned to channel 2. 7. The synthesizing means assigns voices from the first video camera means to channel 1 and voices from the second video camera means to channel 2 instead of synthesizing voices. The communication composition video camera system according to claim 1. 8. The communication synthesis video camera system according to claim 1, wherein the recording / reproducing means is an analog VCR recording / reproducing circuit. 9. The recording / reproducing means is a digital VCR.
The communication composition video camera system according to claim 1, which is a recording / reproducing circuit. 10. The recording / reproducing means performs 4-channel recording of audio, the left and right two-channel audio from the first video camera means and the channel C and D of channel A and channel B of channel 1, respectively. 9. The communication synthesis video camera system according to claim 8, wherein the channels record and reproduce left and right two-channel audio from the second video camera means. 11. The communication composition video camera system according to claim 1, wherein the recording / reproducing means is an analog disk recording / reproducing circuit. 12. The communication composition video camera system according to claim 1, wherein the recording / reproducing means is a digital disk recording / reproducing means. 13. The communication composition video camera system according to claim 1, wherein the recording / reproducing means is a digital memory recording / reproducing circuit. 14. Synchronizing the image of the first video camera means and the image of the second video camera means has a memory circuit in the synthesizing means, and writes to the memory in synchronization with each synchronizing signal, The communication synthesis video camera system according to claim 1, wherein the communication synthesis video camera system is matched by being read by a standard synchronization signal from the. 15. A first video camera unit having a communication unit for transmitting a captured image and a collected sound, a communication unit for receiving the transmitted image and sound, and a PLL circuit, Second video camera means for capturing an image different from the first video camera means and collecting sound, a received image and sound of the first video camera means, and the second video camera means. And a recording / reproducing means for recording / reproducing the image and the audio synthesized by the synthesizing means, and adjusting the synchronizing signal of the image of the first video camera means. A communication composition video camera system, characterized in that the image of the second video camera means is operated. 16. A PLL for synchronizing the video of the first video camera means and the video of the second video camera means.
16. The communication synthesis video camera system according to claim 15, wherein the communication synthesis video camera system is adjusted by a circuit.