JPH09282846A - Image recording-reproducing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To record by means of a second video tape recorder by combining optionally video signals and 2-channel audio signals supplied from a first video tape recorder and, video signals and 2-channel audio signals supplied from outside. SOLUTION: The apparatus supplies video signals VE2 and 2-channel audio signals AE21 , AE22 input from outside, and video signals V1 and 2-channel audio signals A11 , A12 output from an internal first video tape recorder 21 to a video selection means 44 and audio selection means 45, 46. The video selection means 44 and audio selection means 45, 46 selectively supply either of the video audio signals input from outside and the internal video audio signals to a video recording circuit 47, an audio recording circuit 48 and an audio recording circuit 49 of a second video tape recorder 22.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video recording / reproducing apparatus of, for example, a laptop type having a video tape recorder of two digital formats and two video monitors and having a built-in video editing function.

[0002]

2. Description of the Related Art An outline of a conventional video shooting and editing system will be described with reference to FIG. In this video shooting / editing system, video shooting is performed, for example, at a shooting site outside a studio, by shooting with a portable digital camera recorder 101 and recording a video / audio signal in a digital cassette (not shown), or The portable digital process camera 102 and the digital portable video tape recorder 103 are connected by a cable 104, the digital process camera 102 shoots, and the digital portable video tape recorder 103 records video / audio signals in a digital cassette (not shown). To do. Further, in the studio, the digital process studio camera 105 and the digital studio video tape recorder 106 are connected by a cable 107, and the digital process studio camera 105 shoots a picture, and the digital studio video tape recorder 106 creates a digital cassette (not shown). Record video and audio signals.

For video editing, for example, two digital studio videotape recorders 106 and 108 are connected to the editing controller 109 by cables 113 and 114, respectively, and the video monitors 110 are connected to the digital studio videotape recorders 106 and 108, respectively. , 111 are connected by cables 115 and 116, and the original digital cassette 112, which has been taken out from the digital camera recorder 101 or the digital portable video tape recorder 103, is loaded into, for example, the digital studio video tape recorder 108, and the digital studio video tape recorder 108 is loaded. A master digital cassette (not shown) in which live or video information for recording is already recorded is loaded in the direction 106, and the video / audio signals recorded in the digital cassette 112 are recorded. Tal studio video played on tape recorder 108 so as to record the digital studio video digital cassette loaded in the tape recorder 106 (not shown), a video monitor at this time 110,11
Assembling or insert editing is performed by operating the editing controller 109 while observing the video information on 1 and the display contents of the digital studio video tape recorders 106, 108 and the display of the editing controller 109.

In the video shooting and editing system as shown in FIG. 7, a single digital studio video tape recorder 106, 108 and two video monitors 11 are provided for video editing.
0, 111 and the editing controller 109 are prepared, and these are connected by cables 113, 114, 115, 116, and then the editing operator inputs the video information on the video monitors 110, 111 and the digital studio video tape recorder 106,
108 or the editing controller 109, the editing work is performed while viewing the tape running state and the editing-related information such as the time code on the display unit. The two digital studio video tape recorders 106, 108 Two video monitors 110 and 111 and editing controller 1
Each of 09 is a large size, and two digital studio video tape recorders 10 are placed on the desk of the editing worker.
6, 108 and the editing controller 109 are arranged apart from each other, and the two video monitors 110 and 111 are arranged apart from the editing operator's desk. Video information above and digital studio video tape recorder 106,1
08 or to view editing related information such as the tape running state and time code on the display unit provided in the editing controller 109, it is necessary to move the eyes greatly, and to confirm the video information and the editing related information. There is a problem that the time shift occurs, the editing accuracy is lowered, or the editing work takes time and the editing efficiency becomes low.

In addition, for video editing, the digital studio video tape recorders 106 and 108 and the video monitor 11 are used.
0 and 111 and the editing controller 109 are separate devices, and they are connected to each other by the cables 113 and 11
It is necessary to connect with 4, 115, 116, but the connecting work is complicated, and the digital studio video tape recorders 106, 108 and the video monitor 110,
Since the 111 and the editing controller 109 are expensive respectively, the cost is extremely high when an editing facility is constructed. Further, since each device is a separate device and is large, it is required to carry it with a shooting device at a shooting site outside the studio. It was extremely difficult to follow.

It has been proposed to solve the problem of such an editing system that a laptop type in which two digital video tape recorders and two video monitors composed of a color liquid crystal panel are integrated and an editing means is built-in. This is a video recording / playback device. Usage modes including editing using the laptop video recording / reproducing apparatus will be described with reference to FIG.

First, the laptop type video recording / reproducing apparatus 200 comprises a base portion 210 and a movable portion 220 attached to the base portion 210 so as to stand and fall. The base part 210 has a two-stage structure in which the front side is low and the back side is high, and a front loading type digital videotape recorder 211 for reproduction only (for original reproduction) and recording / reproduction (for master recording) ) Digital videotape recorders 212 are arranged side by side on the left and right side, and the operation parts 213 and 214 of the two digital videotape recorders 211 and 212 are arranged on the left and right of the upper surface of the front side lower step portion, and the front side lower step portion is arranged. An editing operation unit 215 is disposed between the operation units 213 and 214 on the upper surface of the. The movable part 220 is provided with two image monitors 221 and 222 each composed of a color liquid crystal panel in a standing position on a front surface thereof, and is provided so as to be rotatable in the front-rear direction with respect to the base part 210, and is in a lying state. Thus, it overlaps with the low-stage portion on the front side of the base portion 210. On the video monitors 221 and 222 described above, editing-related information indicating a tape running state and a time code is displayed overlaid on the video information reproduced by the digital video tape recorders 211 and 212.

Laptop type video recording / reproducing apparatus 200
Then, two digital video tape recorders 211 and 211
12, the DVC cassette 231 can be loaded as it is, and the mini DV cassette 232 can be loaded by mounting it on the cassette adapter 233. First, the recording / reproducing operation will be described. The digital video tape recorder 211
With regard to the above, as described above, it is possible to reproduce and output the video / audio signals recorded only in the digital cassette, which are exclusively for reproduction. In addition, the digital video tape recorder 212 can record and reproduce, and can selectively record the video / audio signal reproduced by the digital video tape recorder 211 and the externally input video / audio signal, and can be recorded in a digital cassette. The recorded video / audio signals can be reproduced and output. Editing is performed when the video / audio signals reproduced by the digital video tape recorder 211 are recorded in the digital video tape recorder 212.

The editing operation will be described below. For example, the DVC cassette 231 in which the video / audio signals are recorded by the DVCPRO camera recorder 234 is loaded in the reproduction-only digital video tape recorder 211 of the video recording / reproducing apparatus 200, or the DV camera recorder 235 records the image. The mini DV cassette 232 in which the video / audio signals have been recorded is mounted in the cassette adapter 233 and loaded in the digital video tape recorder 211 dedicated to the reproduction of the video recording / reproducing apparatus 200. A recordable / reproducible digital video tape recorder 212 of the video recording / reproducing apparatus 200 is loaded with a master or pre-recorded master DVC cassette (not shown).

Then, the video / audio signals recorded in the DVC cassette 231 or the mini DV cassette 232 are reproduced by the digital video tape recorder 211 and loaded in the digital studio video tape recorder 212.
The data is recorded in a cassette (not shown), and while watching the video information and the editing-related information displayed on the video monitors 221, 222, the operation units 213, 214 of the digital video tape recorders 211, 212 are recorded. The edit operation unit 215 is operated to perform assemble edit or insert edit.

In the video editing system using the video recording / reproducing apparatus 200 as shown in FIG. 8, a digital video tape recorder 211 for original reproduction necessary for editing.
And digital video tape recorder 21 for master recording
It adopts a structure in which 2 and editing means are integrated and housed in one housing, which is inexpensive, small and portable,
As in the conventional system shown in FIG. 7, there is no need to prepare a single digital video tape recorder, two video monitors and an editing controller for video editing, or connect them with a cable. By only preparing one video recording / reproducing device 200, the editing operator can perform the editing work, and further, it becomes easy to bring it with the shooting equipment to the shooting site outside the studio.

In addition, the editors are the video monitors 221 and 22.
The video information and the editing-related information are displayed on the same screen while viewing the video information on 2 and the editing-related information such as the tape running state and the time code displayed on the video information. Therefore, the editing operator can check the video information and the editing-related information without moving the eyes, and there is no time lag in checking the video information and the editing-related information.

[0013]

However, in the above-mentioned laptop type video recording / reproducing apparatus, the digital video tape recorder 212 has the video / audio signal reproduced by the digital video tape recorder 211 and the externally input video / audio signal. The signals can be selectively recorded, and when the video / audio signals reproduced by the digital video tape recorder 211 are recorded on the digital video tape recorder 212, editing is performed. It is not possible to record any combination of the video signal reproduced in step 2, the 2-channel audio signal, the external input video signal and the 2-channel audio signal. For example, when recording the previously recorded video signal later. It is not possible to record an audio signal different from the audio signal of It has not been possible, such as that put the narration, etc. related to the video after shooting.

Therefore, an object of the present invention is to provide a video signal supplied from the first video tape recorder and the first video signal.
Video recording that can be recorded by the second video tape recorder by arbitrarily combining the audio signal of the channel and the audio signal of the second channel with the video signal supplied from the outside and the audio signals of the first and second channels It is to provide a reproducing device.

[0015]

According to a first aspect of the present invention, there is provided a video recording / reproducing apparatus in which a first video tape recorder and a second video tape recorder are built in one housing. Image selection means for switching the image signal supplied from the image reproduction circuit of the second video tape recorder and supplying it to the image recording circuit of the second video tape recorder, and the audio signal of the first channel supplied from the outside and the first signal. First-channel audio selection means for switching between the first-channel audio signal supplied from the first-channel audio reproduction circuit of the second video tape recorder and supplying it to the first-channel audio recording circuit of the second video tape recorder. And a second channel audio signal supplied from the outside and a second channel audio reproducing circuit of the second channel of the first video tape recorder. A second channel audio selecting means for switching between the channel audio signal and the second channel audio recording circuit of the second video tape recorder; and a video selecting means, a first channel audio selecting means, and a second channel audio selecting means. The channel audio selection means can be selected independently.

According to this structure, the independently selectable image selecting means, the first-channel audio selecting means, and the second-channel audio selecting means are provided, so that, for example, the first video tape recorder supplies the data during editing. It is possible to record by the second video tape recorder by arbitrarily combining the video signal and the audio signals of the first and second channels and the video signal and the audio signals of the first and second channels supplied from the outside. it can. As a result, for example,
By selecting the output of the first video tape recorder as the video signal and the audio signal of the first channel and selecting the external input of the audio signal of the second channel, the video and the environmental sound can be output from the first video tape recorder to the second audio signal. It is supplied to a video tape recorder, and the narration is performed from an external microphone or the like.
By supplying it to the video tape recorder of, it becomes possible to insert the narration for the image later. Select the output of the first video tape recorder as the video signal,
When the external input is selected as the audio signal of the first channel and the second channel, the video is supplied from the first video tape recorder to the second video tape recorder, and the music is externally supplied through the line to the second video stereo in two channels.
It is also possible to record BGM music and the like unrelated to the video in stereo by supplying the video tape recorder to the video tape recorder.

A video recording / reproducing apparatus according to a second aspect is the video recording / reproducing apparatus according to the first aspect, wherein the video output of the first and second video tape recorders are individually displayed on the housing. The two video monitors are arranged side by side in the same direction and integrally provided, and the first and second video monitors are provided.
The first and second audio monitors for reproducing the audio output of the video tape recorder are built in, and the editing means between the first and second video tape recorders is built in.

According to this structure, for example, by selecting the output of the first video tape recorder as the video signal and the audio signal of the first channel and selecting the external input of the audio signal of the second channel, the video and the environmental sound are generated. When performing editing work in which the first video tape recorder is supplied to the second video tape recorder and the audio is externally supplied to the second video tape recorder, and the narration for the video is inserted later, Without connecting the video monitor and the audio monitor, it is possible to insert the narration while watching the video / audio reproduced by the first video tape recorder and displayed on the first video monitor and emitted from the audio monitor. Moreover, it is a post-recording place where audio is recorded on the same tape while watching the playback image on one video tape recorder. Unlike, it is possible to eliminate the deviation of the video and audio. Furthermore, since the first and second video monitors and the first and second audio monitors are provided, it is possible to insert narration, etc. without having to return to the editing studio after the shooting is finished on site. It becomes possible to rapidly provide video / audio signals for broadcasting.

A video recording / reproducing apparatus according to a third aspect is the video recording / reproducing apparatus according to the first or second aspect, in which the video signal, the audio signal of the first channel and the audio signal of the second channel inputted from the outside are two. There is a system, and a first system video signal, a first channel audio signal and a second channel audio signal that are input from the outside, and a second system video signal, a first channel audio signal and the second that are externally input. The audio signal of the channel and the audio signal of the second channel, the audio signal of the first channel and the audio signal of the second channel, which are externally input, are selectively supplied to the first video tape recorder by the video / audio selecting means. The audio signal is supplied to the video selecting means of the second video tape recorder, the audio selecting means of the first channel and the audio selecting means of the second channel, respectively. It has to so that.

According to this structure, it is possible to separately record the video signals of the two systems and the audio signals of the first and second channels by the first and second video tape recorders, and at the same time, record the signals of one system. The video signal and the audio signals of the first and second channels can be recorded on both the first and second video tape recorders in the same manner, and backup can be performed.

[0021]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 (a) is a schematic block diagram of a video recording / reproducing apparatus according to an embodiment of the present invention, and FIG. 1 (b) is a circuit block diagram of a portion for selecting internal and external video / audio signals.

This video recording / reproducing apparatus is shown in FIG.
As shown in (b), the first and second housings 10 are provided in one housing 10.
First and second video monitors 26 and 27 which respectively include the video outputs of the first and second video tape recorders 21 and 22 in the housing 10. Is provided integrally with the first
And first and second audio monitors 34 and 35 for reproducing the audio output of the second video tape recorders 21 and 22, respectively, and the first and second video tape recorders 21 and
The editing means (not shown) between 22 is built in.

In this video recording / reproducing apparatus, a video signal V _E1 , a first channel audio signal A _E11 and a second channel audio signal A are input to the video / audio signals input from the outside.
A first system consisting of _E12, the video signal V _E2, audio signal of the first channel A _E21 and the second channel audio signal A
There is a second line consisting of _E22 . Then, the first-system video signal V _E1 , the first-channel audio signal A _E11, the second-channel audio signal A _E12, and the second-system video signal V _E1 .
_E2 , the audio signal A _E21 of the first channel and the audio signal A _{E22 of} the second channel are respectively supplied to the video signal selecting means 41, the audio selecting means 42 of the first channel and the audio selecting means 43 of the second channel, The video signal selecting means 41, the first-channel audio selecting means 42, and the second-channel audio selecting means 43 selectively select one of the first and second system video / audio signals as the first video tape. It is supplied to a video recording circuit (not shown) of the recorder 21, a first channel audio recording circuit (not shown) and a second channel audio recording circuit (not shown). Although illustration of the selection control means of the video signal selection means 41, the first-channel audio selection means 42, and the second-channel audio selection means 43 is omitted, the first system side and the second system side are interlocked with each other. Switch to and.

The video signal V _E2 of the second system, the audio signal A _E21 of the first channel and the audio signal A _E22 of the second channel, the video reproduction circuit of the first video tape recorder 21, and the audio reproduction of the first channel. internal video signals output from the sound reproducing circuit of the circuit and the second channel V _I, and the audio signal a _I2 of the audio signal a _I1 and the second channel of the first channel, the signal selection unit 44,
It is supplied to the first channel audio selecting means 45 and the first channel audio selecting means 46, respectively, and is supplied to the second system by the video signal selecting means 44, the first channel audio selecting means 45 and the second channel audio selecting means 46. Either the video / audio signal or the internal video / audio signal is selectively used as the video signal V, the audio signal A ₁ of the first channel and the audio signal A ₂ of the second channel, and the video of the second videotape recorder 22 is selected. It is supplied to the recording circuit 47, the first channel audio recording circuit 48 and the second channel audio recording circuit 49, respectively.

The video and audio reproduced on the first and second video tape recorders 21 and 22 are displayed on the first and second video monitors 26 and 27 and the first and second audio monitors 34 and 35. Each can be monitored. The selection of the internal input INT and the external input EXT in the video signal selection means 44, the first channel audio selection means 45 and the second channel audio selection means 46 is performed by the selection control means 50, 51 and 52. The selection means 44, the first-channel audio selection means 45, and the second-channel audio selection means 46 are independently selectable, and the operation portions of the selection control means 50, 51, and 52 are the surfaces of the housing 10. It is provided in.

This video recording / reproducing apparatus can be independently selected.
Video selecting means 44, first channel audio selecting means 4
5 and second channel audio selection means 46 are provided.
Therefore, when editing, for example, the first video tape recorder 2
Video signal V supplied from 1 _IAnd the first channel
And the audio signal A of the second channel_I1, A_I2And from the outside
Video signal V supplied_E2And the first channel and
Second channel audio signal A_E21, A_E22And any combination
And supply it to the second video tape recorder 22
Records can be made.

As a result, for example, the video signal V and the first
The video signal V _I of the output of the first video tape recorder 21 internally input and the first audio signal A ₁ of the channel and the first
By selecting the audio signal V _I1 of the channel and the audio signal V _E22 of the second channel of the external input as the audio signal A ₂ of the second channel, the video and the environmental sound are transmitted from the first video tape recorder 21 to the second audio signal. Video tape recorder 22
To the second videotape recorder 22 from an external microphone or the like, so that the narration for the image can be inserted later.

The first video tape is used as the video signal V.
Video signal V output from the precoder 21 _ISelect the first cha
Channel and second channel audio signal A₁, A_Twoage
Sound from externally input channels 1 and 2
Voice signal V_E21, V_E22To select the first video
Otape recorder 21 to second video tape recorder
22 to feed music out in stereo on two channels
The second video tape recorder 22 from the department through the line
By supplying to the BG
It is also possible to record M music and the like in stereo.

Further, depending on the setting of the selection states of the video selecting means 44, the first-channel audio selecting means 45 and the second-channel audio selecting means 46, the video signal, the first signal
The audio signals of the channels and the audio signals of the second channels are all selected from the first video tape recorder 21 (V _I , A _I1 , A _I2 ), or are all from the external input (V _E2 , A It is also possible to select _E21 , A _E22 ).

For example, as the video signal V and the audio signal A ₁ of the first channel, the video signal V _I of the output of the first video tape recorder 21 and the audio signal A _I1 of the first channel are selected, and the second channel is selected. The audio signal A ₂ of the second video tape recorder 22 is supplied from the first video tape recorder 21 to the second video tape recorder 22 by selecting the externally input second-channel audio signal A _E22 . When audio data is supplied to the video tape recorder 22 and the narration for the video is inserted later, the video is reproduced by the first video tape recorder 21 without connecting an external video monitor and audio monitor. Is displayed on the first video monitor 26 and the video / audio radiated from the first audio monitor 34 is being viewed, while It is possible to add a video signal and audio, and unlike the case of post-recording in which audio is recorded on the same tape while watching playback video with a single video tape recorder, it is possible to eliminate the gap between video and audio. Further, since the first and second video monitors 26 and 27 and the first and second audio monitors 34 and 35 are provided, narration or the like can be inserted without returning to the editing studio after the shooting is finished on the spot. Therefore, it becomes possible to provide video / audio signals for broadcasting promptly.

Further, depending on the selection states of the video signal selection means 41, the first-channel audio selection means 42 and the second-channel audio selection means 43, the first-system video signal V _E1 and the first-channel audio signal A _E11 and second
The audio signal A _E12 of the channel, the video signal V _E2 of the second system, the audio signal A _E21 of the first channel and the audio signal A _E22 of the second channel are separately recorded by the first and second video tape recorders 21 and 22. The first and second video tape recorders 21,
It is needless to say that the video signal V _E2 of the second system and the audio signal A of the first channel can be obtained separately by the 22.
The audio signal A _E22 of _E21 and the second channel can be simultaneously recorded in both the first and second video tape recorders 21 and 22, and backup can be performed.

Next, the structure of this video recording / reproducing apparatus will be described with reference to the schematic view of FIG. In this video recording / reproducing apparatus, a laptop-type casing 10 is configured by a base portion 11 and a movable portion 12 that is provided so as to be upright and inclinable with respect to the base portion 11. The base portion 11 of the laptop-type housing 10 is a front low-stage portion 11A.
It has a two-stage structure of the rear side high step portion 11B.

First and second digital video tape recorders 21 and 22 which are independently recordable and reproducible are built in the back side high step portion 11B of the base portion 11 of the laptop type casing 10 arranged side by side. However, the loading openings of the first and second digital video tape recorders 21 and 22 (reference numerals 21 and 22 indicate the loading openings) are provided side by side on the front end surface of the back side high step portion 11B. In addition, in the base unit 11, a video image is displayed between the first and second digital video tape recorders 21 and 22.
The editing means (not shown) for editing the audio signal is built in. Then, on the upper surface of the front side lower step portion 11A in the base portion 11 of the housing 10, the first and second
2 of the digital video tape recorders 21 and 22
3 and 24 are provided side by side in the same manner as the arrangement of the first and second digital video tape recorders 21 and 22,
On the upper surface of the front side lower step portion 11A, the operation portions 23, 24
An operation unit 25 of editing means (not shown) is provided between the two.

During editing, the first digital video tape recorder 21 on the left side is used for reproducing the original digital cassette, and the second digital video tape recorder 22 on the right side is used for recording the master digital cassette. The editing means is configured on the premise that the first and second digital video tape recorders 21 and 22 are used as described above. Also, the first
And second digital video tape recorders 21, 22
The recording and playback functions of are configured exactly the same, and the video and audio signals of two lines of line input can be recorded independently, and the video and audio signals recorded in two digital cassettes can be independently recorded. It is possible to output to two systems as a line output by playing back.
The recording / reproducing and editing operations are the same except that the first digital video tape recorder 21 is capable of recording / reproducing.

On the other hand, the movable portion 12 of the housing 10 has a structure having a pair of legs 12B and 12C on both sides of the main body portion 12A, and the movable portion 12 rotates in the front-back direction with respect to the base portion 11. , The main body portion 12A of the movable portion 12 in the standing state
Is located on the back side high step portion 11B of the base portion 11, and the back side high step portion 11B is moved from the left and right sides so that the main body portion 12A exactly overlaps the front side low step portion 11A in the lying state.
The back side high step portion 11B and the pair of leg portions 12B and 12C of the movable portion 12 are hinge-coupled to each other while being sandwiched between the pair of leg portions 12B and 12C.

In the main body portion 12A of the movable portion 12, the first and second surfaces are provided on the surface facing the front lower step portion 11A of the base portion 11 in the lying state, that is, the surface facing the front in the standing state.
The first and second video monitors 26 and 27, which are color liquid crystal panels for individually displaying the reproduced video outputs of the digital video tape recorders 21 and 22, are provided in the same direction.

In addition, in the peripheral portion of the first video monitor 26 in the main body 12A, for example, a fluorescent display tube for displaying editing related information such as a tape running state and a time code attached to the first digital video tape recorder 21. The first display means 28 is composed of the first and second video monitors 2
It is provided integrally in the same direction as 6, 27.
Similarly, the second video monitor 27 in the main body 12A
In the peripheral portion of the second digital video tape recorder 22, there are provided second display means 29, such as a fluorescent display tube, for displaying editing related information such as a tape running state and time code associated with the second digital video tape recorder 22. It is integrally provided in the same direction as the video monitors 26 and 27. The first
And the second display means 28, 29, in the case of FIG.
Although it is provided at the bottom of the first and second video monitors 26, 27, the position may be at the top or on both sides.

As a result, the operation units 23 and 24 of the first and second digital video tape recorders 21 and 22 described above are used.
The operation unit 25 of the editing means is provided on the surface of the base unit 11 that faces the movable unit 12 in the lying state. Here, an example of a specific display pattern of the editing-related information displayed on the first and second display means 28, 29 is shown in FIG. Various figures and characters in FIG. 3 are selectively lit according to the operation state of the digital video tape recorder to display the state.

A portion indicated by reference numeral 31 is an 8-digit counter display portion for displaying a time code or the like, and displays the hour, minute, second, and frame by each two digits from the left side. As you can see numbers and some alphabets. A portion indicated by reference numeral 32 is a running state (PLAY, FF, REV of the digital video tape recorder depending on a combination of illuminated figures.
PLAY, REW, STILL, FWD SLOW, R
It is a figure group showing EW SLOW).

Characters indicated by reference numeral 33 (CH1, CH2,
dB, -∞, -30, -25, -20, -15, -1
0, -5, 0) and a figure (rectangular group of two columns) are audio level meter units for displaying the levels of audio signals for two channels in a bar graph form. Details of other display contents are as shown in [Table 1], [Table 2] and [Table 3].

[0041]

[Table 1]

[0042]

[Table 2]

[0043]

[Table 3]

FIG. 4 is a development view of the surfaces of the front low-stage portion 11A and the movable portion 12 of the base portion 11 of the video recording / reproducing apparatus of FIG. FIG. 5 is a rear view of the base portion of the video recording / reproducing apparatus. FIG. 6 is a side view of the video recording / reproducing apparatus, and the alternate long and short dash line shows the movable portion in the upright state. The arrangement of the operation unit, the input / output terminals and the like provided in the video recording / reproducing apparatus shown in FIG. 2 will be described below with reference to FIGS.

First, in FIG. 4, reference numerals 301A, 30A
In the portion marked with 1B, the sound emission holes of the two speakers for sound monitoring built in the main body portion 12A of the movable portion 12 are provided. At the portion denoted by reference numeral 302A, a COUNTER / REMAIN switch button for switching the counter display used in the digital video tape recorder 21 and EXT
CHECK button, BRIGHTNES for brightness adjustment
An S knob and a display mode changeover switch for changing over the high brightness display mode, the low brightness display mode and the display stop mode of the video monitor 26 are arranged. Further, in a portion denoted by reference numeral 302B, a volume control knob of a built-in speaker, a COUNTER / REMAIN switching button for switching the counter display used in the digital video tape recorder 22, and an EXT.
CHECK button, BRIGHTNES for brightness adjustment
The S knob, the display mode changeover switch for switching the high brightness display mode, the low brightness display mode and the display stop mode of the video monitor 26, and the button for switching the counter to the total display are arranged.

Further, reference numeral 303 indicates an operating portion of the power switch. A level adjustment lever for reproducing two channels of audio in the digital video tape recorder 21 is arranged in a portion indicated by reference numeral 304, and two levels of audio for two channels are provided on the inner side of the level adjusting lever for reproducing two channels of audio. The level adjustment knob for recording is placed. A level adjustment lever for reproducing two audio channels in the digital video tape recorder 22 is arranged at a portion indicated by reference numeral 305, and two audio channels are reproduced behind the level adjusting lever for reproducing two audio channels. The level adjustment knob for the recording level of is arranged.

At a portion indicated by reference numeral 306, operation portions of three input changeover switches for changing over input of a video signal of the digital video tape recorder 24 and an audio signal of 2 channels are arranged. The signal (V) changeover switch, the center first channel audio signal (A1) changeover switch and the right side second channel audio signal (A2) changeover switch can be independently switched arbitrarily. Either the reproduction signal from the digital video tape recorder 21 or the external input signal can be selected. For example, the digital video tape recorder 21 may be selected for the video signal and the audio signal of the first channel, and the external input may be selected for the audio signal of the second channel. It is also possible to select the digital video tape recorder 21 as the video signal, and select the external input for the audio signals of the first and second channels. In addition, the reproduction output and the external input of the digital video tape recorder 21 can be selected. And can be arbitrarily selected.

In the portion indicated by reference numeral 307, 2 reproduced by the digital video tape recorder 21 for editing.
When recording the audio signal of the channel to the digital video tape recorder 22, the operation section (left side) of the mode selection switch for switching the audio output mode, the audio output mode for the audio signal of the two channels reproduced by the digital video tape recorder 22. The operation section (right side) of the mode changeover switch to be changed over is arranged. These mode changeover switches select three kinds of output modes, that is, the same channel mode, the reverse channel mode, and the mixed channel mode. The first is the same-channel mode, in which the audio signal of the first channel is output as the first channel and the audio signal of the second channel is output as the second channel. The reverse channel mode is a mode in which the audio signal of the first channel is output to the second channel and the audio signal of the second channel is output to the first channel. In the mixed channel mode, the first-channel audio signal and the second-channel audio signal are combined by using, for example, a voltage follower circuit for impedance conversion, a mix amplifier, and a changeover switch means.
And a mode in which the same signal is output to the second channel. For example, if the reverse channel mode is set, even if the audio of the first and second channels is mistakenly recorded in reverse when the original video / audio signal is recorded, the audio signal of channel 2 is converted to the correct channel when editing. Can be matched. Further, when the mix channel mode is set, the original audio signals for two channels can be combined into one channel, and therefore, it is possible to support a broadcasting device having only one audio signal. At a portion indicated by reference numeral 308, operation portions of three mode changeover switches related to the audio monitor are arranged. The first mode selector switch on the left side switches the monitor mode of the reproduced sound of the digital video tape recorder 21, and switches the first channel output mode, the mix mode, and the second channel output mode. The second mode selector switch at the center is for switching the monitor mode of the reproduced sound of the digital video tape recorder 22, and includes the first channel output mode, the mix mode and the second mode.
Switch the channel output mode. The third mode selector switch on the right side is for switching the output sound of the built-in speaker or headphones, and the mode in which the sound of the digital video tape recorder 21 is simultaneously output from both built-in speakers or both headphone speakers, and the digital video tape recorder. 21 audio is output from one built-in speaker or one headphone speaker, and audio of the digital video tape recorder 22 is output from another built-in speaker or the other headphone speaker, and audio of the digital video tape recorder 22 is built-in Switch between the mode that outputs simultaneously from the speaker or both headphone speakers.

In the portion indicated by reference numeral 309, the operation portion of two changeover switches for editing is arranged, and the left changeover switch sets the preroll time to any of 7 seconds, 5 seconds and 3 seconds. Then, the change-over switch on the right side is for switching the synchronous mode to the CF mode, ON or OFF. In the portion indicated by reference numeral 310,
The operation part of the three changeover switches is arranged, and the changeover switch on the left side is for setting or canceling recording (recording) prohibition (REC INHIBIT) of the digital video tape recorder 21, and the middle changeover switch is for digital video. The recording / recording prohibition (RECINHIBIT) of the tape recorder 22 is switched between set and released, and the change-over switch on the right side is for switching control between remote control and local control. Note that reference numeral 311
Is a headphone terminal.

Further, the operation unit indicated by the reference numeral 23 has a PL
AY / STOP key, STILL / STBOFF key,
REW key, FF key, REC key, RESET key,
A jog shuttle, event number display, etc. are provided. In addition, the operation unit indicated by reference numeral 24 has a PLAY / S
TOP key, STILL / STBOFF key, REW key, FF key, REC / STORE key, EDIT / M
An ENU key, a RESET key, a jog shuttle, an event number display, etc. are provided.

Further, the operation section indicated by reference numeral 25 has an ASSEM key for setting an edit mode, a V key, and an A1 key.
Key, A2 key, TC key, AUDIO SPUT
/ 1ST EDIT key,-/ RS key, + / ES key, LAST EDIT / CLEAR key, IN key,
OUT key, GO TO key, IN key, OUT key,
ENTRY / SHIFT key, PREVIEW / REV
IEW key, AUTOEDIT / MULTI key, AL
An L STOP key and two switches for switching the display of the counter are provided. The right switch switches the digital video tape recorder 21 between the CTL display mode, the TC display mode, and the UB display mode. The switch on the left side switches the digital video tape recorder 22 between the CTL display mode, the TC display mode and the UB display mode.

Next, in FIG. 5, 321 is a 12V DC power supply input terminal, and 322A and 322B are air cooling fans. A video input terminal, a video output terminal, a video monitor output terminal, and a remote terminal for the digital video tape recorder 21 are provided in a portion indicated by reference numeral 323. A video input terminal, a video output terminal, a video monitor output terminal, and a remote terminal for the digital video tape recorder 22 are provided in a portion indicated by reference numeral 324. The portion indicated by reference numeral 325 is provided with audio input terminals (lines) and audio output terminals and audio monitor output terminals of the first and second channels of the digital video tape recorder 21. In a portion indicated by reference numeral 326, a first channel audio input terminal (line), a second channel audio input terminal (line / microphone), an audio output terminal and an audio monitor output terminal for the digital video tape recorder 22 are provided. A second channel line / microphone changeover switch operation section is arranged.

Next, in FIG. 6, a video level knob, a set-up knob, a hue knob, a chroma level adjusting section, and a system adjusting section (horizontal frequency, subcarrier frequency coarse / fine adjustment) are provided at a portion indicated by reference numeral 327. It is provided. The first video tape recorder 21 described above is used.
May be read-only.

[0054]

According to the video recording / reproducing apparatus of the first aspect, the internal video signal, the first channel audio signal and the second channel audio signal supplied from the first video tape recorder are input from the outside. Video signal, first channel and second channel audio signals are arbitrarily combined to be selected and supplied to the second video tape recorder, first channel audio selection means, and second channel audio Since the selection means is provided, the video signal supplied from the first video tape recorder, the audio signal of the first channel, the audio signal of the second channel, the video signal supplied from the outside, and the first and second audio signals.
Recording can be performed by the second video tape recorder by arbitrarily combining the channel audio signals.

According to the video recording / reproducing apparatus of the second aspect, the first and second video monitors for individually displaying the video outputs of the first and second video tape recorders are arranged side by side in the same direction and integrated. Since the editing means between the first and second videotape recorders is built-in, it is reproduced on the first videotape recorder and displayed on the first video monitor without connecting an external video monitor. It is possible to add narration while watching the video and audio radiated from the audio monitor while listening to the video played on one video tape recorder, and unlike the case of post-recording where audio is recorded on the same tape. And the gap of the voice can be eliminated. Furthermore, since the first and second video monitors and the first and second audio monitors are provided, it is possible to insert narration, etc. without having to return to the editing studio after the shooting is finished on site. It becomes possible to rapidly provide video / audio signals for broadcasting.

According to the video recording / reproducing apparatus of the third aspect, the first system video signal, the first channel audio signal, and the second channel audio signal input from the outside and the second system externally input. The video signal, the audio signal of the first channel, and the audio signal of the second channel are selectively supplied to the first video tape recorder by the video / audio selecting means. 1st and 2nd channel audio signals
The same can be recorded on both the second video tape recorder and the second video tape recorder, and a backup can be made.

[Brief description of drawings]

FIG. 1 is a schematic block diagram showing a configuration of a video recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 2 is a schematic diagram showing a configuration of a video recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 3 is a schematic diagram showing a specific example of display means in the video recording / reproducing apparatus of FIG.

FIG. 4 is a development view of a front low-stage portion and a movable portion of the base portion of the video recording / reproducing apparatus according to the embodiment of the present invention.

FIG. 5 is a rear view of the base portion of the video recording / reproducing apparatus according to the embodiment of the present invention.

FIG. 6 is a side view of a base portion of the video recording / reproducing apparatus according to the embodiment of the present invention.

FIG. 7 is a schematic diagram of a conventional video shooting and editing system.

FIG. 8 is a schematic view showing a state of video editing using a laptop video recording / reproducing device that has already been proposed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Housing 11 Base part 11A Front side low step part 11B Back side high step part 12 Movable part 12A Main body part 12B Leg part 12C Leg part 21 First digital video tape recorder 22 Second digital video tape recorder 23 Operation part 24 Operation unit 25 Editing operation unit 26 First video monitor 27 Second video monitor 41 Video selection means 42 First channel audio selection means 43 Second channel audio selection means 44 Video selection means 45 First channel audio selection means 46 second channel audio selection means 47 video recording circuit 48 audio recording circuit 49 audio recording circuit

Claims (3)

[Claims] 1. A video recording / reproducing apparatus in which a first and a second video tape recorder are built in one housing, wherein a video signal supplied from the outside and a video reproducing circuit of the first video tape recorder. A video selection means for switching the supplied video signal to the video recording circuit of the second video tape recorder, an audio signal of the first channel supplied from the outside, and a first video tape recorder of the first video tape recorder. A first channel audio selection means for switching the first channel audio signal supplied from the channel audio reproduction circuit to the first channel audio recording circuit of the second video tape recorder, and an external source. Second channel audio signal and a second channel supplied from the second channel audio reproduction circuit of the first video tape recorder Audio signal of the second channel which is switched to the audio signal of the second video tape recorder and is supplied to the audio recording circuit of the second channel of the second video tape recorder, the video selecting means and the audio selecting means of the first channel. A video recording / reproducing apparatus capable of independently selecting the second channel audio selecting means. 2. A first and a second video monitor for individually displaying the video outputs of the first and second videotape recorders are integrally provided on the housing, and the first video monitor is provided.
The video recording according to claim 1, further comprising: first and second audio monitors for reproducing audio output of the second and second video tape recorders, and an editing means between the first and second video tape recorders. Playback device. 3. The video signal, the audio signal of the first channel and the audio signal of the second channel, which are input from the outside, are 2
There is a system, and a first system video signal, a first channel audio signal and a second channel audio signal that are input from the outside, and a second system video signal, a first channel audio signal and the second that are externally input. The audio signal of the channel is selectively supplied to the first video tape recorder by the video / audio selecting means, and the second audio signal is input from the outside.
System video signal, 1st channel audio signal and 2nd
3. An audio signal of a channel is supplied to the video selecting means of the second video tape recorder, the audio selecting means of the first channel and the audio selecting means of the second channel, respectively. Video recording / playback device.