JPH06121278A - Multi-screen magnetic recording and reproducing device - Google Patents

Abstract

PURPOSE:To provide the device able to record and reproduce plural video signals simultaneously and audio signals corresponding to them. CONSTITUTION:A master screen is timewise compressed among plural video signals, one slave is processed by a digital data signal and they are inserted so as not to be overlapped with each other, the inserted signals are recorded, and they are separated at reproduction and they are simultaneously monitored as a PinP screen an audio signal corresponding to the master screen is recorded/ reproduced to/from a HIFI audio track and the audio corresponding to the slave screen is recorded/reproduced to/from the linear audio track and switch circuits 12,14 are used to select an optional audio output. Thus, plural video signals and audio signals are simultaneously recorded/reproduced and the audio signal of the master pattern and the audio signal of the slave screen are selected optionally and heart independently of the EE mode or the reproduction mode.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-screen magnetic recording / reproducing apparatus, and more particularly to an apparatus for recording / reproducing by superimposing a main screen and a data-generated small screen on a VTR video signal of the multi-magnetic recording / reproducing system. The present invention also relates to a multi-screen magnetic recording / reproducing apparatus, in which a VTR video signal of a multi-magnetic recording / reproducing system capable of recording / reproducing an FM audio signal is recorded / reproduced by superimposing a main screen and a child screen, which has been converted into data, on each other. The present invention relates to an apparatus for recording / reproducing an audio signal corresponding to the screen of (1) on a hi-fi (hereinafter referred to as HIFI) audio track and a linear audio track.

[0002]

2. Description of the Related Art FIG. 13 shows, for example, Japanese Patent Publication No. 60-5712.
FIG. 11 is a block diagram showing an example of a conventional multi-screen magnetic recording / reproducing device disclosed in Japanese Patent Laid-Open No. 4 “Recording / reproducing device”. In addition, in the same way, TV technical magazine 1990 edited by Electronic Technology Publishing Co., Ltd.
It is a figure which shows the conventional multi-screen magnetic recording / reproducing apparatus by NEC Corp. described in December 29, pages 29-33.

In FIG. 13, reference numeral 58 is a first screen image input terminal, 59 is a second screen image input terminal, and 8 is an input terminal 58.
A video signal recording processing circuit for processing the signal inputted to the
Reference numeral 9 is a video signal recording amplifier.

Reference numeral 10 is a rotary magnetic head for recording / reproducing a video signal and HIFI audio signal, 11 is a magnetic tape as a recording / reproducing medium, 20 is a reproducing amplifier for amplifying a video signal reproduced from the magnetic tape 11, and 21 is a reproducing amplifier. Video signal reproduction processing circuit of output of reproduction amplifier 20, 12
Is a switch circuit for switching between an input video image (hereinafter referred to as "EE") and a reproduced video image (hereinafter referred to as "PB"), and 29 is a switch circuit for switching between the EE side and the PB side of the HIFI audio signal.

63a and 63b are switch circuits for switching the first screen image input signal and the second screen image input signal, and 4 is an A / D converter for converting the child screen signal selected by the switch circuit 63b into digital data. Reference numeral 5 is a child screen data processing circuit for processing the digital data, 16 is a D / A converter for converting the data processed by the child screen data processing circuit 5 into an analog signal, and 13 is a video signal of the parent screen for the child screen. A sub-screen insertion circuit for inserting a video signal, and 17 is a monitor output terminal.

Reference numeral 61 is a first screen audio input terminal for inputting a first screen audio signal corresponding to the first screen video signal, and 6
2 is a second screen audio input terminal for inputting a second screen audio signal corresponding to the second screen video signal, and 26 is a HIFI audio recording for processing the audio signal input to the first screen audio input terminal 61. A signal processing circuit, 27 is an FM modulator, 28 is a recording amplifier that amplifies an audio signal to a recording level, 34 is a reproduction amplifier that amplifies an FM audio signal reproduced from the magnetic tape 11, and 35 is an FM demodulator of the FM audio signal. 36 is a HIFI audio reproduction signal processing circuit for processing the demodulated signal, 64 is a switch circuit for selecting the first screen audio signal and the second screen audio signal, and 39 is an audio signal output terminal.

5 (a), (b), (e) and (g) are diagrams showing monitor screens for image input and image output, and FIG. 5 (a) is an image of the first screen, FIG. FIG. 5B is a picture on the second screen, FIG. 5E is a picture-in-picture (hereinafter abbreviated as PinP) screen having the first screen as a parent and the second screen as a child, and FIG. 5G is the second screen. P as the parent and the first screen as the child
This is the inP screen.

Next, the operation will be described. When recording,
The first-screen video signal input to the first-screen video input terminal 58 is supplied to the rotary magnetic head 10 via the video signal recording processing circuit 8 and the recording amplifier 9 and recorded on the magnetic tape 11. On the other hand, the audio signal input to the first screen audio input terminal 61 is the HIFI audio recording signal processing circuit 26,
It is converted into an FM audio signal by the FM modulator 27, supplied to the rotary magnetic head 10 via the recording amplifier 28, and recorded on the magnetic tape 11.

At the time of reproduction, the video signal reproduced from the magnetic tape 11 is applied to the switch circuit 12 for switching EE / PB via the reproduction amplifier 20 and the video signal reproduction processing circuit 21. On the other hand, the FM audio signal reproduced from the magnetic tape 11 is reproduced by the reproduction amplifier 34 and the FM demodulator 3
5, demodulated by HIFI audio reproduction signal processing circuit 36 and reproduced into a reproduction audio signal by EE / P
It is added to the switch circuit 29 for B switching.

For the output of the switch circuit 12 for switching the EE / PB of the first screen image signal and the second screen image signal, the parent screen is selected by the switch circuit 63a and the child screen is selected by the switch circuit 63b. On the other hand, for the audio signal output, the audio of the main screen is always selected by the switch circuit 64.

Here, the switch circuits 63a and 6 for selection are provided.
When 3b and 64 are connected to the a side, a PinP screen having a first screen as a parent and a second screen as a child is formed as in the monitor screen shown in FIG.
When a, 63b and 64 are connected to the b side,
As in the monitor screen shown in (g), it becomes a PinP screen having the second screen as a parent and the first screen as a child. In addition to this, JP-A-6
Japanese Patent Application Laid-Open No. 3-502281, Japanese Patent Application Laid-Open No. 63-187980 and Japanese Patent Application Laid-Open No. 2-70185 disclose devices for recording and reproducing video signals of a plurality of channels on a magnetic tape. Not something to do.

[0012]

Since the conventional multi-screen magnetic recording / reproducing apparatus is constructed as described above, at the time of EE and PB, a PinP screen can be constructed and a plurality of screens can be viewed at once. However, since these multiple screens cannot be recorded simultaneously in the PinP screen configuration, there are problems such as not being able to see these multiple screens on the PinP screen later and listening to audio corresponding to the multiple screens. there were.

The present invention has been made to solve the above problems, and an object thereof is to obtain a multi-screen magnetic recording / reproducing apparatus capable of simultaneously recording a video signal of a main screen and video signal data processed by a sub-screen. And Further, the present invention has been made to solve the above problems, and it is possible to simultaneously record the video signal data of the main screen and the video signal data processed by the sub screen, and select an audio signal corresponding to each. It is an object to obtain an audible multi-screen magnetic recording / reproducing device.

[0014]

According to a first aspect of the present invention, there is provided a multi-screen magnetic recording / reproducing apparatus in which a Pin signal among a plurality of video signals is used.
The video signal that becomes the main screen when synthesized on the P screen is temporally compressed, the video signal that becomes the sub screen is processed into the data of the sub screen, and the above video signal and the above data are combined and recorded so as not to overlap. , The video signal and data of the main screen are separated at the time of reproduction, the video signal serving as the main screen is temporally expanded, the separated data is converted into the sub screen and inserted into the main screen, and the PinP screen is displayed. It is configured to.

In the multi-screen magnetic recording / reproducing apparatus according to the second aspect of the present invention, among a plurality of input video signals, a video signal which becomes a parent screen and a video signal which becomes a child screen when combined with a PinP screen can be arbitrarily switched. In this way, the video signal that becomes the main screen is temporally compressed, the video signal that becomes the sub screen is processed into the data of the sub screen, and the video signal and the above data are combined and recorded so that they do not overlap with each other. At the same time, the video signal and the data of the parent screen are separated, the video signal to be the parent screen is expanded in time, the separated data is converted to the child screen and inserted into the parent screen to form a PinP screen. It is configured as follows.

According to another aspect of the present invention, there is provided a multi-screen magnetic recording / reproducing apparatus which temporally compresses, of a plurality of input video signals, a video signal which becomes a parent screen when combined with a PinP screen, and becomes a child screen. Is processed into sub-screen data, and the above video signal and the above data are combined and recorded so that they do not overlap,
At the time of reproduction, the video signal and data of the main screen are separated, the video signal to be the main screen is expanded in time, the separated data is converted to a sub screen, and inserted into the main screen as necessary. It is configured as a PinP screen so that only the parent screen and the parent-child screen can be switched.

According to another aspect of the present invention, there is provided a multi-screen magnetic recording / reproducing apparatus which temporally compresses a video signal which becomes a parent screen among a plurality of input video signals when the video signal is combined into a PinP screen, and a video signal which becomes a slave screen. Is processed into sub-screen data, and the main screen video signal and the above data are combined and recorded so that they do not overlap, and the main screen video signal and data are separated during playback and become the main screen. A video signal is expanded in time, the separated data is converted into a child screen and inserted into the parent screen to create a PinP screen, and audio signals of the parent and child are HIF'd.
The audio signals are recorded on the I audio track and the linear audio track, and the audio signals of the parent and child can be arbitrarily selected during reproduction.

In the multi-screen magnetic recording / reproducing apparatus according to the fifth aspect of the present invention, among a plurality of input video signals, a video signal which becomes a parent screen and a video signal which becomes a child screen when combined with a PinP screen can be arbitrarily switched. In this way, the main screen video signal is temporally compressed, the sub screen video signal is processed into sub screen data, and the main screen video signal and the data are combined so that they do not overlap. When recording and reproducing, the video signal and data of the main screen are separated, the video signal to be the main screen is expanded in time, the separated data is converted to the sub screen and inserted into the main screen. A PinP screen is used, and the parent and child audio signals corresponding to the above screen switching are recorded on the HIFI audio track and the linear audio track, and the parent and child audio signals can be arbitrarily selected during playback. It is something.

A multi-screen magnetic recording / reproducing apparatus according to the invention of claim 6 is the same as claims 1 and 2 and 3 and 4 and 5.
In the above, the sub-picture image signal is converted into luminance signal Y and color difference signals BY and RY data for processing.

In the multi-screen magnetic recording / reproducing apparatus according to the invention of claim 7, among a plurality of input video signals, a video signal which becomes a parent screen when synthesized into a PinP screen is temporally compressed to become a plurality of sub-screens. A plurality of video signals are processed into sub-screen data, the main screen video signal and the plurality of sub-screen data are combined and recorded so as not to overlap, and at the time of reproduction, the main screen video signal and a plurality of sub-screen data signals are recorded. While separating the data of the child screen, the video signal to be the parent screen is expanded in time, the plurality of separated data are converted into a plurality of child screens, and the parent screen is selected from among the plurality of child screens. Select one and insert
It is configured to have a PinP screen.

In the multi-screen magnetic recording / reproducing apparatus according to the present invention, of the plurality of input video signals, the video signal which becomes the parent screen when combined with the PinP screen is temporally compressed into a plurality of sub-screens. A plurality of video signals are processed into sub-screen data, the main screen video signal and the plurality of sub-screen data are combined and recorded so as not to overlap, and at the time of reproduction, the main screen video signal and a plurality of sub-screen data signals are recorded. In addition to separating the data of the child screen, the video signal to be the parent screen is expanded in time, the plurality of separated data are converted into a plurality of child screens, and the plurality of child screens are added to the parent screen. Select and insert, PinP
It is configured to be a screen.

In the multi-screen magnetic recording / reproducing apparatus according to the invention of claim 9, among a plurality of input video signals, a video signal which becomes a parent screen and a video signal which becomes a plurality of child screens when combined into a PinP screen are arbitrarily selected. So that the main screen video signal is temporally compressed, the plurality of sub screen video signals are processed into sub screen data, and the main screen video signal and the plurality of sub screens are processed. Data is recorded so that it does not overlap with the data of the main screen, and the video signal of the main screen and the data of a plurality of sub-screens are separated at the time of reproduction, and the video signal to be the main screen is expanded in time to separate the above. The plurality of pieces of data are converted into a plurality of child screens, and one of the plurality of child screens is selected and inserted into the parent screen to form a PinP screen.

According to a tenth aspect of the present invention, in a multi-screen magnetic recording / reproducing apparatus, among a plurality of input video signals, a video signal which becomes a parent screen and a video signal which becomes a plurality of child screens when combined into a PinP screen are arbitrarily selected. So that the main screen video signal is temporally compressed, the plurality of sub screen video signals are processed into sub screen data, and the main screen video signal and the plurality of sub screens are processed. Data is recorded so that it does not overlap with the data of the main screen, and the video signal of the main screen and the data of a plurality of sub-screens are separated at the time of reproduction, and the video signal to be the main screen is expanded in time to separate the above. The plurality of data are converted into a plurality of child screens, a plurality of the plurality of child screens are selected and inserted into the parent screen, and a PinP screen is formed.

In the multi-screen magnetic recording / reproducing apparatus according to the invention of claim 11, among a plurality of input video signals, a video signal which becomes a parent screen when combined with a PinP screen is temporally compressed to become a plurality of child screens. A plurality of video signals are processed into sub-screen data, the main screen video signal and the plurality of sub-screen data are combined and recorded so as not to overlap, and at the time of reproduction, the main screen video signal and a plurality of sub-screen data signals are recorded. Along with separating the data of the child screen, the video signal to be the parent screen is expanded in time, the plurality of separated data are converted into a plurality of child screens, and one of the plurality of child screens is added to the parent screen. Select and insert, Pin
In the P screen, parent and child audio signals are recorded on the HIFI audio track and the linear audio track, and the child audio signals displayed as parent can be arbitrarily selected during reproduction.

According to a twelfth aspect of the present invention, in a multi-screen magnetic recording / reproducing apparatus, of a plurality of input video signals, a video signal which becomes a parent screen when combined with a PinP screen is temporally compressed to a plurality of sub-screens. A plurality of video signals are processed into sub-screen data, the main screen video signal and the plurality of sub-screen data are combined and recorded so as not to overlap, and at the time of reproduction, the main screen video signal and a plurality of sub-screen data signals are recorded. In addition to separating the data of the child screen, the video signal to be the parent screen is expanded in time, the plurality of separated data are converted into a plurality of child screens, and the plurality of child screens are added to the parent screen. Select and insert, Pin
In the P screen, parent and child audio signals are recorded on the HIFI audio track and the linear audio track, and a plurality of child audio signals displayed as the parent can be arbitrarily selected during reproduction.

According to a thirteenth aspect of the present invention, in a multi-screen magnetic recording / reproducing apparatus, among a plurality of input video signals, a video signal which becomes a parent screen and a video signal which becomes a plurality of child screens when combined into a PinP screen are arbitrarily selected. So that the main screen video signal is temporally compressed, the plurality of sub screen video signals are processed into sub screen data, and the main screen video signal and the plurality of sub screens are processed. Data is recorded so that it does not overlap with the data of the main screen, and the video signal of the main screen and the data of a plurality of sub-screens are separated at the time of reproduction, and the video signal to be the main screen is expanded in time to separate the above. Converted plural data to plural sub-screens, select and insert one of the plural sub-screens into the main screen to make PinP screen, and make the parent and child audio signals HIFI audio track and linear audio track. The audio signal of the child recorded and recorded as the parent can be arbitrarily selected at the time of reproduction.

According to a fourteenth aspect of the present invention, in a multi-screen magnetic recording / reproducing apparatus, among a plurality of input video signals, a video signal which becomes a parent screen and a video signal which becomes a plurality of child screens when combined into a PinP screen are arbitrarily selected. So that the main screen video signal is temporally compressed, the plurality of sub screen video signals are processed into sub screen data, and the main screen video signal and the plurality of sub screens are processed. Data is recorded so that it does not overlap with the data of the main screen, and the video signal of the main screen and the data of a plurality of sub-screens are separated at the time of reproduction, and the video signal to be the main screen is expanded in time to separate the above. Converted plural data into plural sub-screens, select and insert the plural sub-screens into the main screen, and make them PinP screens. The parent and child audio signals are HIFI audio track and linear audio track. It is configured such that the audio signals of a plurality of children, which are recorded in and are displayed as a parent at the time of reproduction, can be arbitrarily selected.

According to a fifteenth aspect of the present invention, there is provided a multi-screen magnetic recording / reproducing apparatus according to the eleventh aspect, the twelveth aspect, the thirteenth aspect and the thirteenth aspect.
4 is configured so that only a necessary signal of the audio signals of the plurality of sub-screens is divided and recorded in the linear audio track.

According to a sixteenth aspect of the present invention, in the multi-screen magnetic recording / reproducing apparatus according to the first to fifteenth aspects, the identification information of the aspect ratio of the video image recorded on the control track is detected.

[0030]

According to the first aspect of the present invention, means for inserting the data of the child screen so as not to overlap the temporally compressed parent screen is connected to the preceding stage of the video signal recording processing circuit, and the parent and child screen is magnetic as it is. Recorded on a tape, the parent screen and child screen data are separated during playback, the separated data is converted to a child screen, the parent screen is temporally expanded, and then the child screen is inserted to create a PinP screen. .

According to the invention of claim 2, of the plurality of input video signals, the video signal of the parent screen and the video signal of the child screen are arbitrarily selected and switched.

According to the invention of claim 3, the PinP and the child screen are separated at the time of reproduction, and after the parent screen is expanded in time, only the parent screen is output or the PinP is inserted.
You can choose whether to output the screen.

According to the invention of claim 4, by inserting the data of the child screen so as not to overlap the temporally compressed parent screen, the parent-child screen is recorded on the magnetic tape as it is, and the audio of the parent and the child is recorded. Since the signals are recorded on the HIFI audio track and the linear audio track, they can be selected independently during reproduction.

According to the invention of claim 5, in synchronization with the switching by the switching means for arbitrarily selecting the video signal of the parent screen and the video signal of the child screen among the plurality of input video signals,
Since the parent and child audio signals are recorded on the HIFI audio track and the linear audio track, they can be selected independently during reproduction.

According to the sixth aspect of the present invention, the video signal to be the sub-screen is the luminance signal Y and the color difference signals BY and RY.
Converted to the data and processed.

According to the invention of claim 7, it is possible to record the video signal data of one parent screen and the video signal of a plurality of child screens among the plurality of input video signals, and one data can be recorded during reproduction. A screen is selected and inserted into the parent screen to create a PinP screen.

According to the invention of claim 8, it is possible to record the video signal of one parent screen and the video signal of a plurality of child screens among a plurality of input video signals, and a plurality of child signals can be recorded at the time of reproduction. A screen is selected and inserted into the parent screen to create a PinP screen.

According to the invention of claim 9, one of the plurality of input video signals is arbitrarily selected from the video signal of one parent screen and the video signal of the plurality of child screens, and one child screen is displayed at the time of reproduction. It is selected and inserted into the parent screen to create a PinP screen.

According to the tenth aspect of the invention, of the plurality of input video signals, the video signal of one parent screen and the video signal of a plurality of child screens are arbitrarily selected and recorded, and a plurality of child screens are reproduced at the time of reproduction. Is selected and inserted into the parent screen to create a PinP screen.

According to the eleventh aspect of the present invention, it is possible to record the data of one parent screen image signal and a plurality of child screen image signal data among a plurality of input image signals, and one child screen image can be recorded during reproduction. Is selected and inserted into the parent screen to create a PinP screen, and the audio signals of the parent and multiple children are recorded on the HIFI audio track and the linear audio track.
The parent voice and the displayed child voice can be independently selected during reproduction.

According to the twelfth aspect of the invention, of the plurality of input video signals, it is possible to record the video signal data of one parent screen and the video signal of a plurality of child screens, and a plurality of child video signals can be recorded during reproduction. A screen is selected and inserted into the main screen to create a PinP screen, and the audio signals of the parent and a plurality of children are recorded on the HIFI audio track and the linear audio track, so that they are independently displayed as the audio of the parent during playback. One of the child sounds can be selected.

According to the thirteenth aspect of the present invention, among the plurality of input video signals, there is provided switching means for arbitrarily selecting and recording one main screen video signal and a plurality of sub-screen video signals for reproduction. Sometimes one child screen is selected and inserted into the parent screen to create a PinP screen. In synchronization with this, the audio signals of the parent and multiple children are recorded on the HIFI audio track and the linear audio track, so they are independent during playback. The parent's voice and the displayed child's voice can be selected.

According to the fourteenth aspect of the present invention, among the plurality of input video signals, there is provided switching means for arbitrarily selecting and recording one main screen video signal and a plurality of sub-screen video signals, and reproducing. Sometimes multiple child screens are selected and inserted into the parent screen to create a PinP screen. In synchronization with this, the audio signals of the parent and multiple children are recorded on the HIFI audio track and the linear audio track. It is possible to select one of a plurality of child voices displayed as a parent voice in.

According to the fifteenth aspect of the present invention, the division of the linear audio track is minimized when the audio information is not required among the audio input signals of the plurality of sub-screens.

According to the sixteenth aspect of the invention, information indicating that the video signal is time-compressed and recorded is recorded and reproduced on the control track of the magnetic tape.

[0046]

EXAMPLES Example 1. FIG. 1 is a block diagram showing a multi-screen magnetic recording / reproducing apparatus according to an embodiment of the present invention. The same or corresponding parts as those in the conventional example are designated by the same reference numerals as those in FIG. In the figure, 1 is a main screen image input terminal for inputting a main screen image signal, 2 is a 3/4 time compression circuit for compressing the main screen image signal in the time axis direction, and 3 is a child screen. The sub-screen video input terminal for inputting the sub-screen video signal, 5 is a sub-screen data processing circuit for converting the digital data of the sub-screen video signal converted by the A / D converter 4 into the sub-screen data, and 7 is 3 / A sub-screen data insertion circuit for inserting the sub-screen video signal data converted by the sub-screen data processing circuit 5 into the main-screen video signal 3/4 time-compressed by the 4-hour compression circuit 2 so as not to overlap. The output is connected to the video signal recording / processing circuit 8.

Reference numeral 18 denotes a CTL pulse recording / reproducing circuit for recording / reproducing information indicating that the video signal is time-compressed and recorded on the control track of the magnetic tape 11 via the control head 19, and 22 is a video. A child screen data separation circuit that separates a parent screen video signal and child screen data from the reproduced video signal from the signal reproduction processing circuit 21, and 23 is a CTL pulse for the parent screen video signal separated by the child screen data separation circuit 22. A 4/3 time expansion circuit for expanding and returning to the original time ratio recorded / reproduced by the recording / reproduction circuit 18, and 14 is the output of the child screen data processing circuit 5 of the EE child screen digital data and the child screen. A switch circuit for switching between the PB child screen digital data separated by the data separation circuit 22, and the output thereof is the D / A converter 1 It adapted to provide to a child frame insertion circuit 13 through the. In addition to this, a recording amplifier 9 is provided in the subsequent stage of the video signal recording processing circuit 8 and a reproducing amplifier 20 is provided in the preceding stage of the video signal reproducing processing circuit 21, and are respectively connected to the rotary magnetic head 10. Further, the switch circuit 12 switches between the EE on the main screen image input terminal 1 side and the PB on the output side of the 4/3 time expansion circuit 23. The output is given to the small screen insertion circuit 13. A monitor display device such as a cathode ray tube is connected to the monitor output terminal 17 connected to the output terminal of the small screen insertion circuit 13.

FIG. 2 is an embodiment showing the configuration of the 3/4 hour compression circuit 2 of FIG. In the figure, 43 is an A / D converter for converting a video signal input from the main screen video input terminal 1 into digital data, 44 is a 1H dual port memory for temporarily storing digital data, 45
Is a sync signal separation circuit for extracting a horizontal sync signal (hereinafter, HD) and a vertical sync signal (hereinafter, VD) from the video signal, 46 is a chroma burst sync Fsc signal input terminal that serves as a reference clock, and 47 is the reference A clock multiplier 4 multiplier, 48 is a memory write clock gate circuit that creates a clock for writing data to the HD and VD separated by the synchronizing signal separator circuit 45 and the output of the multiplier 4 47 in the 1H dual port memory 44 by the 4Fsc clock. Is.

49 is a 1/3 frequency divider, 50 is a quadrupler, 5
1 is HD and VD separated by the sync signal separation circuit 45
And 1 by the 16 / 3Fsc clock of the output of the quadrupler 50
A memory read clock gate circuit that creates a clock for reading data from the H dual port memory 44, 52 is a D / A converter of the read digital data, 53 is HD and VD 1H dual port memory 4
1H delay circuit to match the data delay due to 4
54 is a sync signal adding circuit for adding a sync signal to the analog video signal converted by the D / A converter 52, and 55 is 3 /
An output terminal for a signal converted into a 4-hour compressed video signal.

FIG. 3 is an embodiment showing the configuration of the 4/3 time expansion circuit 23 of FIG. In the figure, parts that are the same as or equivalent to those in FIG. In FIG. 3, reference numeral 56 is a 3/4 time compressed signal input terminal of the A / D converter 43 and the sync signal separation circuit 45, and 57 is an output terminal of a 4/3 time expanded video signal on the output side of the sync signal addition circuit 54. is there. 4F output from quadruple multiplier 47
sc clock is a memory read clock gate circuit 51
And to the D / A converter 52. The 16 / 3Fsc clock output from the quadruple multiplier 50 is applied to the memory write clock gate circuit 48 and the A / D converter 43. Other configurations are the same as those in FIG.

FIG. 4 is a diagram showing the waveform of the video signal of each part in the block diagram of FIG. FIG. 4A is a waveform of an A portion of a video signal that has entered the A portion which is the parent screen image input terminal 1, and FIG. 4B is a B of which the parent screen image signal is time-compressed by the 3/4 hour compression circuit 2. Part C waveform, FIG. 4C is a C part waveform in which the data of the sub-screen video signal is inserted so as not to overlap with the B part waveform, and FIG. 4D is the separation and removal of the sub-screen video signal data from the reproduced video signal. D part waveform, FIG. 4 (e) is an E part waveform obtained by separating the data of the sub-screen video signal from the reproduced video signal, and FIGS. 4 (f) and 4 (g) are the sub-screen insertion circuit 13.
It is a figure which shows the F section waveform which is a monitor output signal waveform made into the PinP screen by.

FIG. 5 is a diagram showing a screen of an image of each part in the block diagram of FIG. FIG. 5 (a) is an image of the image signal of the first screen of the part A that has entered the main screen image input terminal 1,
FIG. 5B is a video image of the video signal of the second screen that has entered the sub-screen video input terminal 3, and FIG. 5C is a main-screen video input terminal 1
Video signal of the first screen and the sub-screen video input terminal 3
Compressed video recorded and played back as a PinP screen with the sub-screen processed data of the video signal of the second screen that came in, FIG.
(D) shows the video signal of the second screen coming into the main screen video input terminal 1 and the data obtained by subjecting the video signal of the first screen coming into the sub screen video input terminal 3 to the sub screen processing as a PinP screen. 5 (e) is a video signal obtained by subjecting the video signal of the first screen coming into the parent screen video input terminal 1 and the video signal of the second screen coming into the child screen video input terminal 3 to the child screen processing. Is output as a PinP screen, Fig. 5 (f) is the PinP screen when the position of the child screen in Fig. 5 (e) is on the left side, and Fig. 5 (g) is the main screen video input terminal 1 An image in which the video signal of the second screen and the video signal of the first screen that has entered the sub-screen video input terminal 3 are processed as a sub-screen as a PinP screen, FIG. 5 (h) is shown in FIG. 5 (g). It is a PinP screen when the position of the child screen is set to the left side.

FIG. 12 shows an example of an array of information having an aspect ratio of 16: 9 in the control signal recorded on the control track of the magnetic tape 11 when the video signal is temporally compressed and recorded / reproduced. The identification information of the aspect ratio of the image is reproduced by the control head 19 and identified by the CTL pulse recording / reproducing circuit 18.

Next, the operation of the first embodiment will be described mainly with reference to FIGS. At the time of EE, the sub-screen video signal input from the sub-screen video input terminal 3 is input to the A / D converter 4
Is converted into digital data by the child screen data processing circuit 5, converted into digital data of a child screen signal by the child screen data processing circuit 5, passes through the child EE terminal side of the switch circuit 14, and is passed through the D / A converter 1.
6, a parent screen image signal is converted into an analog child screen image signal, enters from the parent screen image signal input terminal 1, passes through the EE terminal side of the switch circuit 12, and the child screen insertion circuit 1
3 is converted into the PinP screen as shown in FIG. 15 (e) or FIG. 5 (f).

Further, at the time of recording as in the case of EE, the video signal of the waveform of the portion A shown in FIG. 4 (a) coming from the main screen video input terminal 1 is shown in FIG. 4 (b) by the 3/4 hour compression circuit 2.
Is converted into a video signal of the waveform of section B shown in FIG. Here, the compressed video signal waveforms A ₀₁ , A ₀₂ , ... Of the parent screen correspond to the video signal waveforms A ₁ , A ₂ , ... Of the original parent screen with a subscript 0 added.

On the other hand, the child screen image signal input from the child screen image input terminal 3 is converted into digital data by the A / D converter 4, and converted into digital data of the child screen image signal by the child screen data processing circuit 5. To be done. The data of the child screen is input from the parent screen video signal input terminal 1 and converted by the 3/4 hour compression circuit 2 into the waveform of section B shown in FIG. As shown in (c), the waveforms of the C portion are superimposed so that they do not overlap each other, and the magnetic tape 1 is passed by the rotary magnetic head 10 through the video signal recording processing circuit 8 and the video signal recording amplifier 9.
It is recorded in 1. At this time, on the control track of the magnetic tape 11, the aspect ratio information of the video signal is recorded by the control head 19 as conversion information from the CTL pulse recording / reproducing circuit 18.

The conversion operation of the 3/4 hour compression circuit 2 will be described with reference to FIG. The parent screen image signal having the waveform shown in FIG. 4A input from the parent screen image input terminal 1 is converted into digital data by the A / D converter 43, and at the same time, the HD and VD signals are output by the sync signal separation circuit 45. Are separated.

On the other hand, the reference Fsc clock is input from the chroma burst synchronization Fsc signal input terminal 46, converted into a 4Fsc clock by the quadruple multiplier 47, and supplied as the clock of the A / D converter 43. And VD
At the same time, it is supplied to the memory write clock gate circuit 48 and converted as a write clock excluding the synchronization signal portion of the 1H dual port memory 44.

Further, the 4Fsc clock signal converted into the 4Fsc clock by the 4 × multiplier 47 is divided into 1/3 frequency divider 4
Converted to 16/3 Fsc clock by 9, 4 multiplier 50 and supplied to memory reading clock gate circuit 51 together with HD and VD, and 1H dual port memory 4
The clock is converted into a read clock excluding the synchronization signal section 4 and simultaneously supplied as a clock of the D / A converter 52.

Here, the 1H dual port memory 44
HD and VD to correct the signal delayed by 1H
After being delayed by 1H by the 1H delay circuit 53, the synchronizing signal is added by the synchronizing signal adding circuit 54 and output from the output terminal 55 as a temporally compressed video signal as shown in FIG. 4B.

Also, during reproduction, the rotary magnetic head 1
The video signal read from the magnetic tape 11 by 0 is converted into a reproduction video signal by the reproduction amplifier 20 and the video signal reproduction processing circuit 21, and the sub-picture data separation circuit 22 causes the video signal shown in FIG.
The video signal of the D section waveform of the parent screen shown in (d) and the E section waveform of the child screen data shown in (e) of FIG. 4 are separated. At this time, the aspect ratio information of the video signal recorded on the control track of the magnetic tape 11 is changed to the control head 19
Are read out by the CTL pulse recording / reproducing circuit 18 and are taken out as conversion information. This conversion information is used as information for temporally expanding the video signal to restore it.

The video signal of the waveform of the main screen D section separated by the child screen data separation circuit 22 is converted into a video signal of the original aspect ratio by the 4/3 time expansion circuit 23,
It is input to the PB terminal of the switch circuit 12. In addition, the waveform of the sub-screen data E section separated at the same time is the switching circuit 14
Is input to the child PB terminal of the switch circuit 1 and is converted by the D / A converter 16 into a child screen video signal of an analog signal.
The parent screen video signal passing through the PB terminal side of 2 and the sub screen insertion circuit 13 produces the video signal F portion waveform of FIG. 4 (f) (or FIG. 4 (g)) and FIG. 5 (e) (or FIG. 5 (f))
Is converted into a PinP screen as shown in FIG.

The conversion operation of the 4/3 time expansion circuit 23 will be described with reference to FIG. In FIG. 3, since the conversion operation is the reverse conversion process of the 3/4 time compression circuit 2 shown in the block diagram of FIG. 2, the description of the same operation part will be omitted. The reference Fsc clock is input from the chroma burst synchronization Fsc signal input terminal 46, converted into a 4Fsc clock by the quadruple multiplier 47, and supplied as the clock of the D / A converter 52, and at the same time, HD and VD.
At the same time, it is supplied to the memory read clock gate circuit 51 and converted as a read clock excluding the sync signal portion of the 1H dual port memory 44.

Further, the 4Fsc clock signal converted into the 4Fsc clock by the 4 × multiplier 47 is divided into 1/3 frequency divider 4
Converted to 16/3 Fsc clock by 9, 4 multiplier 50 and supplied to memory write clock gate circuit 48 together with HD and VD, and 1H dual port memory 4
The clock is converted into a write clock excluding the synchronization signal section 4 and simultaneously supplied as a clock of the A / D converter 43.

Here, the 1H dual port memory 44
HD and VD to correct the signal delayed by 1H
Is delayed by 1H by a 1H delay circuit 53, a sync signal is added by a sync signal adding circuit 54, and is output from an output terminal 57 as an original video signal which is temporally expanded as shown in FIG. .

Example 2. FIG. 11 shows an example of an input signal changeover switch circuit capable of arbitrarily switching one input video signal to a parent screen and the other input video signal to a child screen among a plurality of input video signals. It is a figure shown, and this input signal changeover switch circuit is applied to the device shown in FIG. The same or corresponding portions as those in the block diagrams of FIGS. 1 and 13 are designated by the same reference numerals to avoid redundant description. In FIG. 11, 60a, 60b, 60c, 6
Reference numeral 0d is a switch circuit that switches in conjunction with each other.

When the switch circuits 60a and 60b are connected to the terminal a side, the video signal input to the first screen video input terminal 58 serves as the main screen and the main screen video input terminal 1
Then, the video signal input to the second screen video input terminal 59 is output to the slave screen video input terminal 3 as a slave screen, and
The compressed image shown in (c) is recorded on the magnetic tape 11 as a video signal. When the switch circuits 60a and 60b are connected to the terminal b side, the video signal input to the first screen video input terminal 58 serves as a sub screen and the sub screen video input terminal 3
In addition, the video signal input to the second screen video input terminal 59 is output to the main screen video input terminal 1 as the main screen,
The compressed image shown in (d) is recorded on the magnetic tape 11 as a video signal. After the input video signal is arbitrarily switched by the input signal changeover switch circuit shown in FIG. 11, it is recorded / reproduced by the multi-screen magnetic recording / reproducing apparatus shown in the block diagram of FIG. As a result, the monitor output shown in FIG. 5 (e) (or FIG. 5 (f)) is obtained when the terminal a side shown in FIG. 11 is connected, and the monitor output shown in FIG.
(Alternatively, the monitor output shown in FIG. 5 (h)) is obtained.
Since the recording / reproducing operation is the same as that of the first embodiment, the description thereof will be omitted.

Example 3. In the small screen insertion circuit 13 of FIG. 1, a switch circuit is provided so that, during reproduction, a small screen processed video signal can be inserted into the separated / expanded main screen video signal as needed. The other configurations and operations are the same as those in the first embodiment, and the description will not be repeated.

Example 4. FIG. 6 is a block diagram showing a multi-screen magnetic recording / reproducing apparatus according to an embodiment of the present invention.
The same or corresponding parts as those of the embodiment of FIG. In FIG. 6, reference numeral 25 is a main screen audio input terminal, 26 is a HIFI audio recording signal processing circuit for processing the audio signal input to the main screen audio input terminal 25 for recording, and 27 is a HIFI audio signal at a subsequent stage. An FM modulator for performing FM modulation, 28 is a recording amplifier in the subsequent stage, 34 is a reproduction amplifier for amplifying an FM audio signal reproduced from the magnetic tape 11, 3
5 is the FM demodulator in the subsequent stage, 36 is the H demodulator in the subsequent stage
IFI audio reproduction signal processing circuit.

Reference numeral 30 is a sub-screen audio input terminal, 31 is a linear audio recording signal processing circuit connected to the sub-screen audio input terminal 30, 32 is an audio head for recording and reproducing a linear audio signal, and 29 is an EE of a HIFI audio signal. A switch circuit for switching PB, 33 is a switch circuit for switching EE and PB of the linear audio signal,
37 is a linear audio reproduction processing circuit, 38 is a switch circuit that switches between the output side of the switch circuit 29 and the output side of the switch circuit 33, and switches the audio signal of the parent screen and the child screen, and 39 is of the switch circuit 38. It is an audio signal output terminal connected to the output side. A speaker, for example, is connected to the audio signal output terminal 39.

Next, the operation of the fourth embodiment will be described mainly with reference to FIG. The operation of the video signal system is the same as that of the first embodiment, and therefore its explanation is omitted. The master screen audio signal coming from the master screen audio input terminal 25 is recorded on the magnetic tape 11 by the rotary magnetic head 10 through the HIFI audio signal processing circuit 26, the FM modulator 27, and the audio signal recording amplifier 28, and at the same time, the EE terminal. The audio signal of the main screen is output through the switch circuit 29 which is switched to the on-state, while the sub-screen audio signal input from the sub-screen audio input terminal 30 is transferred from the audio head 32 to the magnetic tape 11 through the linear audio recording signal processing circuit 31.
Recorded on the linear audio track of the child E at the same time
The audio signal of the child screen is output through the switch circuit 33 switched to the E terminal, and further, the switch circuit 3
The audio signal of the parent screen and the audio signal of the child screen are selected by 8 and output from the audio signal output terminal 39.

In reproducing, the rotary magnetic head 1
The HIFI audio signal read from the magnetic tape 11 by 0 is demodulated by the reproduction amplifier 34 and the FM demodulator 35, converted into the reproduction audio signal by the HIFI audio reproduction signal processing circuit 36, and switched to the PB terminal 29. The audio signal of the main screen recorded through is output while the audio head 32 reads the signal recorded on the linear audio track of the magnetic tape 11, and the linear audio reproduction signal processing circuit 37 converts the signal into a reproduction audio signal. The audio signal of the child screen recorded through the switch circuit 33 switched to the child PB terminal is output, and the switch circuit 3
The audio signal is output from the audio output terminal 39 by selecting either the audio of the main screen or the audio of the child screen by 8.

Example 5. Next, an example in which the input signal changeover switch circuit shown in FIG. 11 is applied to the device shown in FIG. 6 will be described. Here, when the switch circuits 60a and 60b are connected to the terminal a side by the input signal changeover switch circuit shown in FIG. 11, the video signal input to the first screen video input terminal 58 serves as a parent screen. The video signal input to the second screen image input terminal 59 is output to the screen image input terminal 1 as a child screen to the child screen image input terminal 3. When the switch circuits 60a and 60b are connected to the terminal b side, the video signal input to the first screen video input terminal 58 enters the sub screen video input terminal 3 as the sub screen and the second screen video input terminal 59. The incoming video signal is output to the main screen video input terminal 1 as the main screen.

Further, the input signals of the audio signals are synchronized with the exchange of the input video signals, and the input signals of the audio signals are also switched circuits 60c, 60.
When d is connected to the terminal a side, the audio signal input to the first screen audio input terminal 61 is the audio input to the parent screen audio input terminal 25 and the second screen audio input terminal 62 as the parent screen audio. The signal is output to the small screen sound input terminal 30 as a small screen sound. When the switch circuits 60c and 60d are connected to the terminal b side, the audio signal input to the first screen audio input terminal 61 is supplied to the child screen audio input terminal 30 as the child screen audio and to the second screen audio input terminal 62. The incoming audio signal is used as the main screen audio as the main screen audio input terminal 25.
Is output to. After arbitrarily switching the input signal,
Recording / reproduction is performed by the multi-screen magnetic recording / reproducing apparatus of the block diagram shown in FIG. Since this recording / reproducing operation is the same as that of the fourth embodiment, its explanation is omitted.

Example 6. In the embodiment of the multi-screen magnetic recording / reproducing apparatus shown in FIG. 7 or FIG.
The same or corresponding parts are designated by the same reference numerals to avoid redundant description. In the figure, reference numeral 15 is a small screen data processing circuit for converting the data of the luminance signal Y and the color difference signals BY and RY of the small screen into small screen data. Further, the child screen image input terminal 3 and the A / D converter 4 are provided in three systems, and are connected to the respective input terminals of the child screen data processing circuit 5. Next, the main part of the operation of the sixth embodiment will be described with reference to FIGS. The sub-picture video input terminal 3 and the A / D converter 4 are provided in three systems, and the sub-picture video signal is used as a luminance signal Y and color difference signals BY and R-.
Each of the Y signals is input, the above signals are converted into luminance signal Y and color difference signals BY and RY data, and then the child screen data processing circuit 5 performs child screen processing on each child screen data. To do. Since the subsequent recording operation is clear from the description of the first or fourth embodiment, the description thereof will be omitted.

FIG. 9A is a diagram showing a video signal of the first screen, FIG. 9B is a diagram showing a video signal of the second screen, and FIG. 9C is a video of the first screen. A screen in which the signal is used as a parent and the video signal of the second screen is used as a child, and the above-mentioned child screen is converted into data of luminance signal Y and color difference signals BY and RY and made into PinP, and recorded and reproduced, FIG. It is a figure when the parent screen and child screen of FIG.9 (c) are replaced.

Next, the main part of the reproducing operation of the sixth embodiment will be described. In FIG. 9C, during reproduction, the reproduction screen video signal separation circuit 22 separates the reproduction video signal into the video signal of the main screen and the luminance signal Y and the color difference signals BY and RY of the sub screen. The data of the luminance signal Y and the color difference signals BY and RY are converted into child screen data by the child screen data processing circuit 15 and converted into a child screen image signal by the D / A converter 16 to obtain the child screen. The insertion circuit 13 inserts it into the video signal of the parent screen whose original aspect ratio has been set by the 4/3 time expansion circuit 23 to obtain the PinP screen shown in FIG. 9E or 9F. In addition, FIG.
When the PinP screen shown in (d) is recorded and reproduced, the PinP screen shown in FIG. 9 (g) or 9 (h) is obtained.
For other reproduction operations, the first or fourth embodiment is described.
The explanation is omitted because it is clear from the explanation. Also,
This sixth embodiment is also applicable to the second, third and fifth embodiments.

Example 7. In one embodiment of the multi-screen magnetic recording / reproducing apparatus shown in FIG. 7 or FIG. 8, the video signal input to the sub-screen is input as a luminance signal and a chrominance signal, and the sub-screen video input terminal 3 and A / D conversion are performed. The device 4 has two systems of a luminance signal and a color signal, the luminance signal of the video signal to be the sub-screen is A / D converted, and the color signal is A / D converted with a clock of 4 fsc to produce color difference signals BY, R. -Y, and the video signal that becomes the sub-screen is a luminance signal Y and a color difference signal BY.
And RY data is converted and processed.

Example 8. In the embodiment of the multi-screen magnetic recording / reproducing apparatus shown in FIG. 7, a plurality of sub-screen video input terminals 3 and a plurality of A / Ds, each of which inputs different video signals.
Having a converter 4, a child screen data processing circuit 5 performs data processing so that the data of each child screen does not overlap.
The data of the plurality of child screens are inserted into the parent screen video signal temporally compressed by the 3/4 hour compression circuit 2 by the child screen data insertion circuit 7 so as not to overlap, and the reference numerals 8 to 1 are used.
It is recorded on the magnetic tape 11 through the system of 0.

FIG. 10 is a diagram showing a screen of a video image of each unit for performing a plurality of child screen processes in the block diagrams of FIGS. 7 and 8. FIG. 10 (a) is an image of the video signal of the first screen of the part A that has entered the parent screen video input terminal 1, FIG. 10 (b),
10 (c) and 10 (d) are video signals of the second screen, the third screen, and the fourth screen, which are respectively input to the plurality of sub-screen video input terminals 3, and FIG. 10 (e) is The video signal of the first screen coming into the master screen video input terminal 1 and the second screen, the third screen coming into the plurality of child screen video input terminals 3,
Insert it so that it does not overlap the video data on the 4th screen
Compressed video recorded and reproduced as an inP screen, FIG. 10 (f) shows a video signal of the first screen input to the main screen video input terminal 1 and a plurality of sub-screen signals input to the plurality of sub-screen video input terminals 3. 10 (g) is a PinP screen in which the signal of the second screen is used as a child screen, and in FIG. 10 (g), the image signal of the first screen that has entered the parent screen image input terminal 1 and a plurality of child screen image input terminals 3 have arrived. The signal of the third screen of the plurality of child screen signals is used as the child screen P
inP screen, FIG. 10 (h) shows the video signal of the first screen that has entered the main screen video input terminal 1 and a plurality of sub-screen video input terminals 3
3 is a PinP screen in which a plurality of signals of a third screen and a fourth screen among a plurality of sub-screen signals that have come in are used as sub-screens. In the eighth embodiment, FIG. 10 (h) is excluded.

At the time of EE and PB, the child screen data processing circuit 15 selects one of the child screen data to create child screen data. The selected one child screen data is converted into an analog child screen signal by the D / A converter 16, and is formed into a PinP screen by the child screen inserting circuit 13. 10 (f) or FIG.
The PinP screen shown in (g) or the PinP screen having the child screen of FIG. 10 (f) as the fourth screen is the monitor output terminal 17
It is output as a video signal and visualized by a monitor.

Example 9. In an embodiment of the multi-screen magnetic recording / reproducing apparatus shown in FIG. 7, it has a plurality of child screen image input terminals 3 and a plurality of A / D converters 4, and the child screen data processing circuit 5 does not overlap each child screen. Data processing as follows. Here, at the time of EE or PB, the child screen data processing circuit 15 selects arbitrary plural child screen data from the respective child screen data and creates the child screen data. The selected plurality of child screen data is converted into an analog child screen signal by the D / A converter 16, and the child screen inserting circuit 13 forms a PinP screen having a plurality of child screens. The PinP screen shown in () is output as a video signal from the monitor output terminal 17 and is visualized by the monitor.

Example 10. In one embodiment of the multi-screen magnetic recording / reproducing apparatus shown in FIG. 7, any one of the input video signals is selected for the parent screen, and the remaining plurality of input video signals are used for the sub-screen. And a switching circuit that can be arbitrarily switched is connected to the main screen image input terminal 1 and the plurality of child screen image input terminals 3, and the plurality of child screen image input terminals 3 and the plurality of A / Ds are connected. Having a converter 4, a child screen data processing circuit 5 performs data processing so that the data of each child screen does not overlap. Here, at the time of EE or PB, the child screen data processing circuit 1
5 selects one of the data of each child screen to create child screen data. The data of this one small screen is converted into an analog small screen signal by the D / A converter 16 and inserted into the main screen video signal by the small screen insertion circuit 13 to be a PinP screen video signal. For example, a PinP screen is configured so that an arbitrary video signal of the four input video signals becomes a parent screen and one child screen, and the PinP screen is output as a video signal from the monitor output terminal 17 and is visualized by a monitor. For example, FIG. 10F is an example of the video screen, which is a PinP screen having the first screen as a parent and the second screen as a child.

Example 11. In one embodiment of the multi-screen magnetic recording / reproducing apparatus shown in FIG. 7, any one input video signal is selected from among a plurality of input signals for a parent screen, and the remaining plurality of input video signals are used for a child screen. An input signal switching circuit, which can be selected and arbitrarily switched, is connected to the parent screen image input terminal 1 and the plurality of child screen image input terminals 3, and the plurality of child screen image input terminals 3 and the plurality of A / Ds are connected. Having a converter 4, a child screen data processing circuit 5 performs data processing so that the data of each child screen does not overlap. Here, at the time of EE or PB, the child screen data processing circuit 1
5 selects arbitrary plural child screen data from each child screen data to create child screen data, and these child screen data are converted into analog child screen signals by the D / A converter 16, The screen insertion circuit 13 constitutes a PinP screen having a plurality of child screens. For example, FIG.
In the PinP screen shown in, PinP so that any video signal of the input video signals becomes the parent screen and a plurality of child screens.
A screen is formed, and the video signal is output from the monitor output terminal 17 and visualized by the monitor.

Example 12 In one embodiment of the multi-screen magnetic recording / reproducing device shown in FIG. 8, a plurality of child screen image input terminals 3 and a plurality of A / D converters 4 (three systems in this embodiment) are provided, and a child screen data processing circuit 5 is provided. Performs data processing so that the data of each child screen does not overlap. Where E
At the time of E or PB, the small screen data processing circuit 15 selects one of the small screen data to create small screen data, and this small screen data is generated by the D / A converter 16 as an analog small screen signal. Is converted into the sub screen insertion circuit 13
The PinP screen is configured by, and is shown in FIG.
The PinP screen shown in 0 (g) or the PinP screen shown in FIG. 10 (f) as the fourth screen is output from the monitor output terminal 17 and is visualized by the monitor.

At the time of recording, the main screen audio signal is HIFI audio signal processed by the HIFI audio recording signal processing circuit 26, and is recorded on the magnetic tape 11 by the rotary magnetic head 10 through the FM modulator 27 and the recording amplifier 28. The main screen audio signal is output through the switch circuit 29 switched to the EE terminal side, and the sub-screen audio signal is output as a plurality of linear audio recording signal processing circuits 31.
Switch circuit 3 which is switched to the child EE terminal corresponding to the displayed child screen at the same time as the linear audio recording processing is performed by the audio head 32 and the plurality of linear audio tracks of the magnetic tape 11 are recorded from the audio head 32.
The audio signal of one child screen corresponding to the display of the audio signals of the plurality of child screens is output through 3, and one of the audio signal of the parent screen and the audio signal of the child screen is selected by the switch circuit 38. It is output from the audio signal output terminal 39.

At the time of reproduction, the main screen audio signal is read from the magnetic tape 11 by the rotary magnetic head 10, passes through the reproduction amplifier 34 and the FM demodulator 35, and then goes to HI.
The FIFI audio signal reproduction processing is performed by the FI audio reproduction signal processing circuit 36, and the audio signal of the main screen recorded through the switch circuit 29 switched to the PB terminal side is output. The signals recorded on the plurality of linear audio tracks of the tape 11 are taken out and made into reproduced audio signals by the plurality of linear audio reproduction signal processing circuits 37, and are output to the child PB terminals corresponding to the child screen among the plurality of child PB terminals. A corresponding one of the sub-picture audio signals among the plurality of sub-picture audio signals recorded through the switched switch circuit 33 is output, and the switch circuit 38 outputs the main picture sound and the sub-picture sound. Either one of them is selected and an audio signal is output from the audio output terminal 39.

Example 13. In an embodiment of the multi-screen magnetic recording / reproducing apparatus shown in FIG. 8, a plurality of sub-screen video input terminals 3 and a plurality of A / D converters 4 are provided, and the sub-screen data processing circuit 5 stores data of each sub-screen. Data processing is performed so that they do not overlap. Here, at the time of EE or PB, the child screen data processing circuit 15 selects any of a plurality of child screen data from the data of each child screen to create child screen data, and these child screen data are D / A converter 16
Is converted into an analog sub-screen signal by the sub-screen insertion circuit 13, and a PinP screen having a plurality of sub-screens is constructed by the sub-screen insertion circuit 13.
For example, the PinP screen shown in FIG. 10 (h) is output from the monitor output terminal 17 and visualized by the monitor.

At the time of recording, the main screen audio signal is subjected to the HIFI audio signal processing, the magnetic tape 11 is recorded by the rotary magnetic head 10, and at the same time, the main screen audio signal is output through the switch circuit 29. Linear audio recording process, audio head 32
Is recorded on a plurality of linear audio tracks of the magnetic tape 11, and at the same time, one of the plurality of displayed sub-screen audio signals is selected and output through the switch circuit 33. Further, the switch circuit 38 selects the audio signal of the parent screen and the audio signal of the child screen and outputs the selected audio signal from the audio signal output terminal 39.

During reproduction, the main screen audio signal is read from the magnetic tape 11 by the rotary magnetic head 10, processed for HIFI audio signal reproduction, and the recorded main screen audio is output through the switch circuit 29. ,
The plurality of sub-screen audio signals are taken out from the plurality of linear audio tracks of the magnetic tape 11 by the audio head 32, and the plurality of linear audio reproduction signal processing circuits 3
It is converted into a reproduced audio signal by 7 and the switch circuit 33
Of the audio signals of multiple sub-screens recorded through
An audio signal of the child screen corresponding to any one of the displayed child screens is selected and output, and either one of the audio of the parent screen and the audio of the child screen is selected by the switch circuit 38 to output the audio. The selected audio signal is output from the output terminal 39.

Example 14 In one embodiment of the multi-screen magnetic recording / reproducing apparatus shown in FIG. 8, an arbitrary one input video signal among a plurality of input video signals is used as a parent screen, and the remaining plurality of input video signals are arbitrarily used as a child screen. An audio signal that can be switched and that corresponds to the video signal selected for the main screen in conjunction with this switching is sent to the main screen audio input terminal 25.
And an input signal switching circuit for switching to input to the respective sub-screen audio input terminals 30 a plurality of remaining audio signals corresponding to the plurality of remaining video signals selected for the sub-screen. The main screen video input terminal 1, the plurality of sub screen video input terminals 3, the main screen audio input terminal 25, and the plurality of sub screen audio input terminals 30 are connected,
Having a plurality of child screen image input terminals 3 and a plurality of A / D converters 4, the child screen data processing circuit 5 performs data processing so that the data of the respective child screens do not overlap. Where E
At the time of E or PB, the sub-screen data processing circuit 15 selects one of the sub-screen data to create sub-screen data, and the D / A converter 16 converts the sub-screen data into an analog sub-screen signal. By the screen insertion circuit 13, FIG.
In the PinP screen shown in FIG. 3, a PinP screen is constructed so that any video signal of the input signals becomes the parent screen and the child screen, is output from the monitor output terminal 17, and is visualized by the monitor.

At the time of recording, the master screen audio signal corresponding to the video signal selected for the master screen is subjected to HIFI audio signal processing (systems 25 to 28), and the rotary magnetic head 10 is operated.
When the magnetic tape 11 is recorded, the main screen audio signal is output through the switch circuit 29 at the same time, and the sub-screen audio signals corresponding to the plurality of video signals selected for the plurality of sub-screens are processed by a plurality of linear audio recording signal processing. Circuit 31
The linear audio recording process is carried out by the audio head 32, and the audio signal is recorded on a plurality of linear audio tracks of the magnetic tape 11 from the audio head 32. At the same time, a corresponding one sub-picture audio signal among a plurality of sub-picture audio signals is output through the switch circuit 33. Further, the switch circuit 38 selects the audio signal of the parent screen and the audio signal of the child screen and outputs the selected audio signal from the audio signal output terminal 39.

During reproduction, the main screen audio signal is read from the magnetic tape 11 by the rotary magnetic head 10 and subjected to HIFI audio signal reproduction processing (reference numerals 34-).
36 system), the plurality of sub-screen audio signals are output from the plurality of linear audio tracks of the magnetic tape 11 by the audio head 32, and reproduced by the plurality of linear audio reproduction signal processing circuits 37. One of the sub-picture audio signals corresponding to the display among the plurality of sub-picture audio signals recorded through the switch circuit 33 is selected and output, and the switch circuit 38 selects the sub-picture sound and the sub-picture sound. Either one of the voices is selected and output as a voice signal from the voice output terminal 39.

Example 15. In one embodiment of the multi-screen magnetic recording / reproducing apparatus shown in FIG. 8, an arbitrary one input video signal among a plurality of input video signals is used as a parent screen, and the remaining plurality of input video signals are arbitrarily used as a child screen. An audio signal that can be switched and that corresponds to the video signal selected for the main screen in conjunction with this switching is sent to the main screen audio input terminal 25.
And an input signal switching circuit for switching to input to the respective sub-screen audio input terminals 30 a plurality of remaining audio signals corresponding to the plurality of remaining video signals selected for the sub-screen. It is connected to the parent screen image input terminal 1 and a plurality of child screen image input terminals 3, has a plurality of child screen image input terminals 3 and a plurality of A / D converters 4, and the child screen data processing circuit 5 has each child screen. Data processing is performed so that the data in the above does not overlap. Where EE
At the time of PB or PB, the child screen data processing circuit 15 selects any of a plurality of child screen data from the respective child screen data to create child screen data, and the D / A converter 16 creates an analog child screen signal. And a PinP screen having a plurality of child screens is constructed by the child screen insertion circuit 13. For example, the PinP screen shown in FIG. 10 (h) is output from the monitor output terminal 17 and is visualized by the monitor. It

At the time of recording, the master screen audio signal corresponding to the video signal selected on the master screen is subjected to HIFI audio signal processing and recorded on the magnetic tape 11 by the rotary magnetic head 10 and at the same time the master screen through the switch circuit 29. An audio signal is output, and the sub-picture audio signals corresponding to the plurality of video signals selected for the plurality of sub-screens are subjected to linear audio recording processing and recorded from the audio head 32 to the plurality of linear audio tracks of the magnetic tape 11. At the same time, an audio signal of one child screen corresponding to the display among the audio signals of the plurality of child screens is output through the switch circuit 33, and further, the switch circuit 38 outputs either the audio signal of the parent screen or the audio signal of the child screen. One of them is selected and output from the audio signal output terminal 39.

During reproduction, the parent screen audio signal is read from the magnetic tape 11 by the rotary magnetic head 10, processed for HIFI audio signal reproduction, and output through the switch circuit 29. Of the plurality of linear audio tracks of the magnetic tape 11 which are taken out by the head 32, which are converted into reproduced audio signals by the plurality of linear audio reproduction signal processing circuits 37, and which are recorded through the switch circuit 33 among the plurality of sub-screen audio signals, An audio signal of the child screen corresponding to any one of the displayed child screens is selected and output, and either one of the audio signal of the parent screen and the audio signal of the child screen is selected by the switch circuit 38. Is output from the audio output terminal 39.

In each of Examples 6 to 15 above,
When using the device having the configuration shown in FIG. 7 or FIG. 8 as a part or the whole, the child screen data processing circuit 15 causes the child screen data processing circuit 15 to switch the child screen data to the child EE terminal side at the time of EE. The child screen data output from the processing circuit 5 is used, and at the time of PB, the child PB
The child screen data separated by the child screen data separating circuit 22 via the switch circuit 14 switched to the terminal side is used. Further, when the child screen data processing circuit 15 selects any number of child screen data from the plurality of child screen data, a switch circuit for that purpose is incorporated. The video signal of the parent screen used in the child screen insertion circuit 13 is the video signal input to the parent screen video input terminal 1 during EE, and the child screen data separation circuit 22 and the 4/3 time expansion circuit during PB. It is a video signal separated and expanded via 23. Further, the audio signal output to the audio signal output terminal 39 is output as audio from, for example, a speaker.

In each of the above-mentioned embodiments, the switch circuit has a broad sense including a normal changeover switch.

Example 16. In addition, if the content of the sub-screen does not require audio information such as teletext or FAX among the audio signals corresponding to the plurality of sub-screens, the number of tracks divided into a plurality of linear audio tracks should be minimized. It is also possible to record only the necessary signals.

Example 17 Further, the audio signals corresponding to the parent-child screen may be recorded as the L channel and the R channel of the stereo HIFI audio.

Example 18. Further, in a magnetic recording / reproducing apparatus capable of recording / reproducing PCM audio, an audio signal corresponding to the parent-child screen may be recorded / reproduced as PCM audio, HIFI audio, and linear audio.

[0102]

As described above, according to the first aspect of the present invention, the main screen is temporally compressed so that the data of the sub-screen can be inserted so as not to overlap with each other so that the data can be recorded and reproduced. Can be recorded at the same time, and these multiple screens can later be viewed as PinP screens.

According to the invention of claim 2, a plurality of input signals can be arbitrarily exchanged between the parent screen and the child screen.

According to the third aspect of the present invention, a plurality of video signals are inserted and recorded as the data of the parent screen and the child screen so as not to overlap each other, and there is no loss of information even when monitoring as a PinP screen. The position of the child screen in the PinP screen can be set at an arbitrary position by monitoring only the parent screen.

According to the invention of claim 4, the audio signals corresponding to the respective parent and child screens can be recorded and reproduced, so that the parent and child audio signals can be arbitrarily selected and heard. There is.

According to the invention of claim 5, a plurality of input signals can be arbitrarily exchanged between the parent screen and the child screen, and the audio signals corresponding to the respective parent and child screens can be recorded and reproduced. .

According to the sixth aspect of the present invention, since the data of the child screen is converted into the data of the luminance signal Y and the color difference signals BY and RY and the PinP recording / reproduction is performed, a high-quality child having a large amount of information is provided. The screen can be configured and at the same time, the small screen can be displayed large.

According to the invention of claim 7, the main screen is temporally compressed so that data of a plurality of child screens can be inserted so as not to overlap with each other so that recording and reproduction can be performed. Can be simultaneously recorded, and the parent screen and one of the plurality of child screens can be selected and viewed as a PinP screen later.

According to the invention of claim 8, a plurality of child screens can be simultaneously viewed as a PinP screen on the parent screen.

According to the invention of claim 9, a plurality of input signals can be arbitrarily exchanged between the parent screen and the plurality of child screens, the parent screen is temporally compressed, and the data of the plurality of child screens are overlapped. Since it is inserted so that it will not be recorded and played back, it is possible to record the main screen and multiple sub-screens at the same time, and later select one of the main screen and the multiple sub-screens as a PinP screen. You can see.

According to the tenth aspect of the present invention, a plurality of input signals can be arbitrarily exchanged between the parent screen and the plurality of child screens, and the parent screen is temporally compressed to overlap the data of the plurality of child screens. Since it is inserted so that it will not be recorded and played back, it is possible to record the main screen and multiple sub-screens at the same time.
It can be seen as an inP screen.

According to the eleventh aspect of the present invention, the parent screen is temporally compressed so that the data of the plurality of child screens can be inserted so as not to overlap with each other so that recording and reproduction can be performed. Can be recorded at the same time, and later, one of the parent screen and the plurality of child screens can be selected and viewed as a PinP screen, and audio signals corresponding to the respective parent and multiple child screens can be recorded. Since it can be played back, there is an effect that the audio signals of the parent and child can be arbitrarily selected and heard.

According to the twelfth aspect of the invention, the main screen is temporally compressed so that the data of a plurality of child screens can be inserted so as not to overlap with each other so that recording and reproduction can be performed. Can be recorded at the same time, and later the parent screen and the plurality of child screens can be selected and viewed as PinP screens, and audio signals corresponding to the respective parent and plural child screens can be recorded and reproduced. Therefore, there is an effect that the parent and child audio signals can be arbitrarily selected and heard.

According to the invention of claim 13, a plurality of input signals can be arbitrarily exchanged between the parent screen and the plurality of child screens, and the parent and the plurality of child screens can be recorded and reproduced. The data of the screen and multiple child screens can be recorded at the same time, and one of the parent screen and this multiple child screens can be selected and viewed as a PinP screen later. Since the audio signal corresponding to the screen can be recorded and reproduced, there is an effect that the audio signals of the parent and child can be arbitrarily selected and heard.

According to the fourteenth aspect of the invention, a plurality of input signals can be arbitrarily exchanged between the parent screen and the plurality of child screens, and the data of the parent and the plurality of child screens can be recorded and reproduced. , The parent screen and the plurality of child screens can be selected and viewed as PinP screens later, and the audio signals corresponding to the respective parent and plural child screens can be recorded and reproduced. The effect is that the audio signals of the parent and child can be selected and heard.

According to the fifteenth aspect of the present invention, when audio information is not required for a plurality of child screens, the number of tracks divided into a plurality of linear audio tracks can be minimized and recorded. , Has the effect of preventing voice deterioration.

According to the sixteenth aspect of the present invention, since the information that the time is compressed is recorded on the recorded magnetic tape, the aspect ratio of this magnetic tape is 16: 9.
If you play it back on a compatible VTR and monitor TV, you can monitor the parent screen with a normal aspect ratio of 4: 3.

[Brief description of drawings]

FIG. 1 is a block diagram showing a multiple screen magnetic recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a 3/4 hour compression circuit in a multi-screen magnetic recording / reproducing apparatus which is an embodiment of the present invention.

FIG. 3 is a block diagram showing a 4/3 time expansion circuit in a multiple screen magnetic recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 4 is a video signal waveform diagram in each part of a block diagram showing a multi-screen magnetic recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 5 is a diagram showing a screen of a video signal in each part of a block diagram showing a multiple screen magnetic recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 6 is a block diagram showing a multiple screen magnetic recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 7 is a block diagram showing a multiple screen magnetic recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 8 is a block diagram showing a multiple screen magnetic recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 9 is a diagram showing a screen of a video signal in each part of a block diagram showing a multiple screen magnetic recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 10 is a diagram showing a screen of a video signal in each part of a block diagram showing a multiple screen magnetic recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 11 is a diagram showing an example of an input signal switching circuit of a multi-screen magnetic recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 12 is a diagram showing an example of an array of information having an aspect ratio of 16: 9 in a control signal recorded on a control track.

FIG. 13 is a block diagram showing a conventional multi-screen magnetic recording / reproducing apparatus.

[Explanation of symbols]

 1 parent screen image input terminal 2 3/4 time compression circuit 3 child screen image input terminal 4 A / D converter 5 child screen data processing circuit 7 child screen data insertion circuit 8 video signal recording processing circuit 9 recording amplifier 10 rotating magnetic head 11 magnetic tape 12 switch circuit 13 child screen insertion circuit 14 switch circuit 15 child screen data processing circuit 16 D / A converter 18 CTL pulse recording / reproducing circuit 19 control head 20 reproducing amplifier 21 video signal reproducing processing circuit 22 child screen data separation Circuit 23 4/3 time expansion circuit 25 Main screen audio input terminal 26 HIFI audio recording signal processing circuit 27 FM modulator 28 Recording amplifier 29 Switch circuit 30 Child screen audio input terminal 31 Linear audio recording signal processing circuit 32 Audio head 33 Switch circuit 34 Replay Anne 35 FM demodulator 36 HIFI audio reproduction signal processing circuit 37 linear audio reproduction signal processing circuit 38 switch circuit 58 first screen video input terminal 59 second screen video input terminal 60a-60d switch circuit 61 first screen audio input terminal 62th Dual-screen audio input terminal

Continuation of the front page (51) Int.Cl. ⁵ Identification code Office reference number FI Technical display area H04N 5/91 C 4227-5C

Claims (16)

[Claims] 1. A video signal is recorded on a video track,
In a rotary magnetic head type multiplex magnetic recording / reproducing apparatus configured to reproduce this recording signal, means for temporally compressing horizontal information of a first video signal of a plurality of input video signals, A means for processing the input second video signal into a data signal of a child screen, and a means for inserting the data signal of the child screen so as not to overlap the first video signal compressed in time. A video system recording means for recording on a magnetic recording medium a video signal of a multi-screen in which the data signal of the sub-screen is inserted; and a second video signal inserted in the first video signal to be recorded. Means for outputting a video signal on monitor, means for reproducing the recorded video signal, first video signal obtained by temporally compressing the horizontal information from the reproduced video signal, and the sub-picture Means for separating the data signal,
Means for temporally expanding the separated first video signal, means for converting the separated data signal of the sub-picture into the second video signal subjected to the sub-picture processing, and the first expanded picture And a means for inserting the separated / converted second video signal into the video signal of 1. 2. A video signal is recorded on a video track,
In a rotary magnetic head type multiplex magnetic recording / reproducing apparatus configured to reproduce this recording signal, a plurality of input video signals can be arbitrarily exchanged as a first video signal and a second video signal. Configured switch means, means for temporally compressing horizontal information of a first video signal of the plurality of input video signals,
A means for processing the input second video signal which has been exchanged into a sub-picture data signal; and a means for inserting the sub-picture data signal so as not to overlap the temporally compressed first video signal. A video system recording means for recording on a magnetic recording medium a video signal of a multi-screen in which the data signal of the sub-screen is inserted; and a second video signal inserted in the first video signal to be recorded. A means for outputting a video signal on a monitor, a means for reproducing the recorded video signal, a first video signal obtained by temporally compressing the horizontal information from the reproduced video signal, and a data signal for the small screen. Means for decompressing the separated first video signal, means for temporally expanding the separated first video signal, and converting the separated data signal of the sub-picture into the second video signal subjected to the sub-picture processing. And a means for inserting the separated and converted second video signal into the decompressed first video signal, wherein the plurality of input video signals are combined with the first video signal and the second video signal. A multi-screen magnetic recording / reproducing apparatus characterized in that it can be arbitrarily exchanged as a video signal. 3. Recording a video signal on a video track,
In a rotary magnetic head type multiplex magnetic recording / reproducing apparatus configured to reproduce this recording signal, means for temporally compressing horizontal information of a first video signal of a plurality of input video signals, A means for processing the input second video signal into a data signal of a child screen, and a means for inserting the data signal of the child screen so as not to overlap the first video signal compressed in time. A video system recording means for recording on a magnetic recording medium a video signal of a multi-screen in which the data signal of the sub-screen is inserted; and a second video signal inserted in the first video signal to be recorded. Means for outputting a video signal on monitor, means for reproducing the recorded video signal, first video signal obtained by temporally compressing the horizontal information from the reproduced video signal, and the sub-picture Means for separating the data signal,
Means for temporally expanding the separated first video signal, means for converting the separated data signal of the sub-picture into the second video signal subjected to the sub-picture processing, and the first expanded picture Means for inserting the separated and converted second video signal into the video signal, and means for switching the second video signal into the expanded first video signal as necessary. A multi-screen magnetic recording / reproducing apparatus characterized in that 4. A high fidelity audio signal is recorded on a video track and a video signal is recorded thereon.
In a rotary magnetic head type multiple magnetic recording / reproducing apparatus configured to record a linear audio signal on a linear audio track and reproduce the recorded signals respectively, a first video signal of a plurality of input video signals Means for temporally compressing information in the horizontal direction, means for processing the input second video signal into a data signal for the child screen, and means for not overlapping the temporally compressed first video signal Means for inserting the data signal of the sub-screen, video system recording means for recording the video signal of the multi-screen in which the data signal of the sub-screen is inserted on a magnetic recording medium, and the first video to be recorded A means for monitoring and outputting a video signal obtained by inserting the second video signal into a signal, and means for reproducing the recorded video signal,
Means for separating a first video signal obtained by temporally compressing the horizontal information from the reproduced video signal and a data signal of the sub-picture, and temporally expanding the separated first video signal. Means, means for converting the separated sub-picture data signal into the sub-picture processed second video signal, and the second video signal separated / converted into the expanded first video signal Means for inserting an audio input signal corresponding to the first video signal into a high-fidelity audio track of the magnetic recording medium, and an audio input signal corresponding to the sub-screen for a linear audio signal of the magnetic recording medium. Recording means for recording on the track, means for reproducing the high-fidelity audio signal,
A multi-screen magnetic recording / reproducing apparatus comprising means for reproducing the linear audio signal and means for switching and outputting the high-fidelity audio signal and the linear audio signal at the time of recording and reproducing. 5. A high fidelity audio signal is recorded on a video track and a video signal is recorded thereon.
In a rotary magnetic head type multiple magnetic recording / reproducing apparatus configured to record a linear audio signal on a linear audio track and reproduce each of these recorded signals, a plurality of input video signals and a first video signal Switch means configured to be arbitrarily interchangeable as the second video signal, means for temporally compressing horizontal information of the first video signal among the plurality of input video signals, and the interchange input Means for processing the generated second video signal into a sub-screen data signal, means for inserting the sub-screen data signal so as not to overlap the temporally compressed first video signal, and the sub-screen. Video system recording means for recording a multi-screen video signal in which a screen data signal is inserted on a magnetic recording medium, and the first video signal to be recorded. Means for outputting a video signal by inserting the second video signal into a monitor, means for reproducing the recorded video signal, and means for temporally compressing the horizontal information from the reproduced video signal. Means for separating one video signal and the data signal of the sub-screen,
Means for temporally expanding the separated first video signal, means for converting the separated data signal of the sub-picture into the second video signal subjected to the sub-picture processing, and the first expanded picture Means for inserting the separated / converted second video signal into the video signal, the audio signal corresponding to the first video signal of the input audio signals corresponding to the plurality of input video signals, and the second audio signal A switch means configured to switch the audio signal corresponding to the video signal in synchronism with the switching of the input video signal, and the audio input signal corresponding to the first video signal to the high-fidelity audio of the magnetic recording medium. Means for recording on a track, means for recording an audio input signal corresponding to the sub-picture on a linear audio track of the magnetic recording medium, and the hi-fi audio A multi-screen, comprising means for reproducing an audio signal, means for reproducing the linear audio signal, and means for switching and outputting the hi-fi audio signal and the linear audio signal at the time of recording and reproducing. Magnetic recording / reproducing device. 6. The sub-picture according to claim 1, wherein a luminance signal Y and color difference signals BY and R are displayed on the sub-screen.
-Y and the above Y, BY and R-
A multi-screen magnetic recording / reproducing apparatus comprising: a means for converting a Y signal into digital data, wherein the digital data is used as a data signal of the sub-screen. 7. A video signal is recorded on a video track,
In a rotary magnetic head type multiplex magnetic recording / reproducing apparatus configured to reproduce this recording signal, means for temporally compressing horizontal information of a first video signal of a plurality of input video signals, , Means for processing the plurality of input second video signals into a plurality of sub-screen data signals, and the sub-screen data signals so as not to overlap the temporally compressed first video signal. Means for inserting, a video system recording means for recording a video signal of a multi-screen in which the data signal of the sub-screen is inserted on a magnetic recording medium, and one or more of the arbitrary one or more in the first video signal to be recorded. Means for outputting a video signal by inserting the second video signal of the monitor, means for reproducing the recorded video signal, and temporal information for the horizontal direction from the reproduced video signal. Means for separating the first video signal and the data signal of the plurality of sub screens by condensation, and means for decompressing the first video signal the separated temporally,
Means for converting the separated data signals of the plurality of sub-pictures into the second video signal subjected to the sub-picture processing, and the plurality of second videos separated and converted into the decompressed first video signal. A multi-screen magnetic recording / reproducing apparatus comprising means for selecting and inserting any one of the signals. 8. A video signal is recorded on a video track,
In a rotary magnetic head type multiplex magnetic recording / reproducing apparatus configured to reproduce this recording signal, means for temporally compressing horizontal information of a first video signal of a plurality of input video signals, , Means for processing the plurality of input second video signals into a plurality of sub-screen data signals, and the sub-screen data signals so as not to overlap the temporally compressed first video signal. Means for inserting, a video system recording means for recording a video signal of a multi-screen in which the data signal of the sub-screen is inserted on a magnetic recording medium, and one or more of the arbitrary one or more in the first video signal to be recorded. Means for outputting a video signal by inserting the second video signal of the monitor, means for reproducing the recorded video signal, and temporal information for the horizontal direction from the reproduced video signal. Means for separating the first video signal and the data signal of the plurality of sub screens by condensation, and means for decompressing the first video signal the separated temporally,
Means for converting the separated data signals of the plurality of sub-screens into the second video signals of the plurality of sub-screens, and the plurality of second videos separated and converted into the expanded first video signal. A multi-screen magnetic recording / reproducing apparatus comprising means for selecting and inserting an arbitrary plurality of video signals among the signals. 9. A video signal is recorded on a video track,
In a rotary magnetic head type multiplex magnetic recording / reproducing apparatus configured to reproduce this recording signal, a plurality of input video signals can be arbitrarily exchanged as a first video signal and a plurality of second video signals. Switch means configured as described above, means for temporally compressing horizontal information of a first video signal among the plurality of input video signals, and a plurality of the plurality of second video signals that have been exchanged and input. Means for processing the child-picture data signal, means for inserting the child-picture data signal so as not to overlap the temporally compressed first video signal, and means for inserting the child-picture data signal. Video recording means for recording a multi-screen video signal on a magnetic recording medium, and the above-mentioned arbitrary one or a plurality of second video signals are inserted into the recorded first video signal. Means for outputting a video signal from the monitor, means for reproducing the recorded video signal, a first video signal obtained by temporally compressing the horizontal information from the reproduced video signal, and the sub-screen Means for separating the data signals of the plurality of second video signals processed into the data signal, means for temporally expanding the separated first video signal, and data for the plurality of separated child screens Means for converting the signal into the second video signal of the plurality of sub-screens, and one video signal of the plurality of second video signals separated and converted into the expanded first video signal. A means for selecting and inserting, wherein the plurality of input video signals can be arbitrarily exchanged as the first video signal and the plurality of second video signals during recording. Multiple screen magnetic recording and reproducing apparatus that. 10. A rotary magnetic head type multiple magnetic recording / reproducing apparatus configured to record a video signal on a video track and reproduce the recorded signal, wherein a plurality of input video signals are referred to as a first video signal. Switch means configured to be arbitrarily interchangeable as a plurality of second video signals, means for temporally compressing horizontal information of the first video signal among the plurality of input video signals, A means for processing the plurality of second video signals input by the exchange into a plurality of sub-picture data signals, and the sub-picture data signals so as not to overlap the temporally compressed first video signal. Means for inserting, a video recording means for recording on the magnetic recording medium a video signal for the multiple screen in which the data signal for the sub-screen is inserted, and the first video signal to be recorded. Means for outputting a video signal by inserting any one or more of the second video signals into a monitor, means for reproducing the recorded video signal, and means for reproducing the recorded video signal in the horizontal direction. Means for separating a first video signal, which is time-compressed information, and a plurality of second video signal data signals processed into the child screen data signals, and the separated plurality of child screen data signals To a second video signal of the plurality of sub-screens, a means for temporally expanding the separated first video signal, and the separation / conversion into the expanded first video signal. A means for selecting and inserting any of a plurality of video signals among the plurality of second video signals that have been created,
A multi-screen magnetic recording / reproducing apparatus configured such that the plurality of input video signals can be arbitrarily exchanged as a first video signal and a plurality of second video signals during recording. 11. A rotation configured to record a high fidelity audio signal on a video track, record a video signal thereon, record a linear audio signal on a linear audio track, and reproduce each of these recorded signals. In a magnetic head type multiplex magnetic recording / reproducing apparatus, means for temporally compressing horizontal information of a first video signal among a plurality of input video signals, and a plurality of the second video signals input as described above. A means for processing the data signals of a plurality of sub-screens, a means for inserting the data signals for the sub-screens so as not to overlap the temporally compressed first video signal, and a means for inserting the data signals for the sub-screens Video system recording means for recording the thus-produced multi-screen video signal on a magnetic recording medium, and any one of the above-mentioned first video signals to be recorded. Or a means for monitoring and outputting a video signal formed by inserting a plurality of second video signals, means for reproducing the recorded video signal, and temporally compressing the horizontal information from the reproduced video signal. Means for separating the first video signal and the plurality of second video signal data signals processed into the child screen data signals, and the separated plurality of child screen data signals. Means for converting into a second video signal of, and means for temporally expanding the separated first video signal,
Means for selecting and inserting one video signal of the plurality of separated / converted second video signals into the expanded first video signal, and audio input corresponding to the first video signal. Means for recording a signal on a high-fidelity audio track of the magnetic recording medium, means for recording an audio input signal corresponding to the plurality of sub-screens on each of the linear audio tracks of the magnetic recording medium, and recording on each track. A means for reproducing a high-fidelity audio signal, a means for reproducing the linear audio signal, and a sound signal corresponding to a child screen displayed among the high-fidelity audio signal and the plurality of linear audio signals during recording and reproduction. A multi-screen magnetic recording / reproducing apparatus comprising means for switching and outputting. 12. A rotating magnet configured to record a hi-fi audio signal on a video track, record a video signal on it, record an audio signal on a linear audio track, and reproduce each of these recorded signals. In a head type multiplex magnetic recording / reproducing apparatus, a means for temporally compressing horizontal information of a first video signal among a plurality of input video signals, and a plurality of the plurality of input second video signals. Means for processing the child-picture data signal, means for inserting the child-picture data signal so as not to overlap the temporally compressed first video signal, and means for inserting the child-picture data signal. Video recording means for recording a multi-screen video signal on a magnetic recording medium, and any one or a plurality of the above-mentioned first video signals to be recorded. Number of second video signals are inserted into the monitor for outputting a video signal, means for reproducing the recorded video signal, and means for temporally compressing the horizontal information from the reproduced video signal. A means for separating one video signal and a plurality of second video signal data signals processed into the child screen data signals; and a means for separating the separated plurality of child screen data signals. Second video signal, means for temporally expanding the separated first video signal, and a plurality of second videos separated / converted into the expanded first video signal Means for selecting and inserting any of a plurality of video signals among the signals; means for recording an audio input signal corresponding to the first video signal in a high fidelity audio track of the magnetic recording medium; Means for dividing a linear audio track of the magnetic recording medium to record an audio input signal corresponding to the inset screen on each track; means for reproducing the high-fidelity audio signal; means for reproducing the linear audio signal; A means for switching and outputting the high-fidelity audio signal and the audio signal corresponding to an arbitrary screen among the sub-screens displayed in the plurality of linear audio signals during recording and reproduction. Multi-screen magnetic recording / reproducing device. 13. A rotation configured to record a hi-fi audio signal on a video track, record a video signal thereon, record a linear audio signal on a linear audio track, and reproduce each of these recorded signals. In a magnetic head type multiplex magnetic recording / reproducing apparatus, a switch means configured to arbitrarily exchange a plurality of input video signals as a first video signal and a plurality of second video signals, and the plurality of input video signals. Means for temporally compressing horizontal information of the first video signal of the signals, means for processing the plurality of second video signals that have been exchanged and input into a plurality of sub-picture data signals, and A means for inserting the data signal of the sub-screen so as not to overlap the temporally compressed first video signal, and the sub-picture. Video system recording means for recording a multi-screen video signal in which a data signal of a surface is inserted on a magnetic recording medium, and the arbitrary one or a plurality of second video signals is added to the first video signal to be recorded. Means for monitor-outputting the inserted video signal, means for reproducing the recorded video signal, first video signal obtained by temporally compressing the horizontal information from the reproduced video signal, and the small screen Means for separating the data signals of the plurality of second video signals processed into the plurality of data signals, and means for converting the separated data signals of the plurality of child screens into the second video signals of the plurality of child screens Means for temporally expanding the separated first video signal, and one video signal of the plurality of second video signals separated / converted into the expanded first video signal Choose And an audio signal corresponding to the first video signal and an audio signal corresponding to the second video signals among the input audio signals corresponding to the plurality of input video signals. A switch means configured to switch the video signals in synchronism with the switching of the video signals; a means for recording an audio input signal corresponding to the first video signal in a high-fidelity audio track of the magnetic recording medium; Recording means for dividing a linear audio track of the magnetic recording medium and recording the audio input signal corresponding to the inset screen on each track; means for reproducing the hi-fi audio signal; and means for reproducing the linear audio signal. Display among the above high-fidelity audio signal and above multiple linear audio signals during recording and playback The child screen is that it comprises a means for switching the audio signal corresponding multiplex screen magnetic recording reproducing apparatus according to claim. 14. A rotation configured to record a hi-fi audio signal on a video track, record a video signal thereon, record a linear audio signal on a linear audio track, and reproduce each of these recorded signals. In a magnetic head type multiplex magnetic recording / reproducing apparatus, a switch means configured to arbitrarily exchange a plurality of input video signals as a first video signal and a plurality of second video signals, and the plurality of input video signals. Means for temporally compressing horizontal information of the first video signal of the signals, means for processing the plurality of input second video signals into a plurality of sub-picture data signals, and the time Means for inserting the data signal of the sub-screen so that it does not overlap the first compressed video signal, and the data of the sub-screen is inserted. Video system recording means for recording a multi-screen video signal into which a video signal has been inserted on a magnetic recording medium, and inserting any one or a plurality of the second video signals into the first video signal to be recorded. Means for outputting a video signal as a monitor, means for reproducing the recorded video signal, first video signal obtained by temporally compressing the horizontal information from the reproduced video signal, and data for the sub-screen. Means for separating the data signals of the plurality of second input video signals processed into signals, and means for converting the separated data signals of the plurality of child screens into second video signals of the plurality of child screens Means for temporally decompressing the separated first video signal, and any plurality of videos of the plurality of second video signals separated / converted into the expanded first video signal Signal Means for selectively inserting, an audio signal corresponding to the first video signal of the input audio signals corresponding to the plurality of input video signals, and an audio signal corresponding to the plurality of second video signals. A switch means configured so that the input video signals can be switched in synchronism with the replacement of the input video signals; a means for recording an audio input signal corresponding to the first video signal on a high-fidelity audio track of the magnetic recording medium; Means for dividing a linear audio track of the magnetic recording medium to record an audio input signal corresponding to the child screen on each track, a means for reproducing the hi-fi audio signal, and a means for reproducing the linear audio signal. , The high fidelity audio signal and the multiple linear audio signals are displayed during recording and playback. Multiple screen magnetic recording and reproducing apparatus characterized by comprising means for switching and outputting an audio signal corresponding to any screen of the Iruko screen. 15. The linear audio track for recording the sound of the sub-screen is required when the content of the sub-screen is a signal such as teletext that does not require audio information according to any one of claims 11 to 14. A multi-screen magnetic recording / reproducing apparatus comprising means for limiting the number. 16. The rotary magnetic head type multiple magnetic recording / reproducing apparatus of claim 1, wherein the identification information of the aspect ratio of the image is recorded and reproduced on the control track. A multi-screen magnetic recording / reproducing apparatus comprising means for detecting the identification information of the aspect ratio of the captured image.