JP2719062B2 - Multi-screen magnetic recording / reproducing device - Google Patents

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, in which a plurality of screens are superimposed on a video signal of a VTR of a multi-magnetic recording / reproducing system capable of recording / reproducing an FM audio signal, and recording / reproducing is performed. For recording and reproducing an audio signal corresponding to the above-mentioned screen on a HIFI audio track and a linear audio track.

[0002]

2. Description of the Related Art FIG. 10 is a block diagram showing a conventional multi-screen magnetic recording / reproducing apparatus manufactured by NEC Corporation described in, for example, TV Technology Magazine, December 1990, pp. 29-33, edited by Electronic Technology Publishing Co., Ltd. FIG. In the figure, 27 is an input terminal of a video signal of the first screen, 28 is an input terminal of a video signal of the second screen, 6 is a video signal recording processing circuit for processing a signal input to the input terminal 27, and 7 is a video signal Recording amplifier.

Reference numeral 8 denotes a rotating magnetic head for recording a video signal and an audio signal, 9 denotes a magnetic tape as a recording / reproducing medium, 10 denotes a reproducing amplifier for amplifying a video signal reproduced from the magnetic tape 9, and 11 denotes a reproducing amplifier. A video signal reproduction processing circuit having an output of 10 and a video input signal (hereinafter referred to as “EE”) and a video reproduction signal (hereinafter referred to as “EE”) are provided.
Called "PB". ), 12
A switch b switches between EE and PB of the HIFI audio signal.

[0004] 29a and 29b are changeover switches for switching between a video input signal of the first screen and a video input signal of the second screen,
Reference numeral 3 denotes an A / D converter for converting the video signal of the small screen selected by the changeover switch 29b into digital data, 4 a small screen data processing circuit for processing the digital data,
5 is a sub-screen insertion circuit for inserting a sub-screen into a main screen, 13 is an output terminal of a video signal, 30 is an input terminal of an audio signal of the first screen corresponding to the video signal of the first screen, and 31 is an input terminal of the second screen. Input terminal for audio signal of second screen corresponding to video signal.

[0005] Reference numeral 15 denotes a HIFI audio signal processing circuit for the audio signal input to the input terminal 30, 16 denotes an FM modulator, 17 denotes an audio signal recording amplifier, and 21 amplifies the FM audio signal reproduced from the magnetic tape 9. A reproduction amplifier 22 is an FM demodulator for FM audio signals.
3 is a HIFI audio reproduction signal processing circuit for demodulated audio signals, 29c is a switch for selecting the audio signal of the first screen and the audio signal of the second screen, and 26 is an audio signal output terminal.

FIGS. 11A and 11B show monitor screens for video input and video output. FIG. 11A shows a video of the first screen, FIG. 11B shows a video of the second screen, and FIG. A picture-in-picture screen (hereinafter, referred to as a “PinP screen”) having a screen as a parent and a second screen as a child, and FIG. It is.

Next, the operation of the above configuration will be described. At the time of recording, the video signal input to the video input terminal 27 of the first screen is supplied to the rotating magnetic head 8 via the video signal recording processing circuit 6 and the recording amplifier 7. On the other hand,
The audio signal input to the audio input terminal 30 is HI
The audio signal is converted into an FM audio signal by an FI audio signal processing circuit 15 and an FM modulator 16, supplied to a rotating magnetic head 8 via a recording amplifier 17, and recorded on a magnetic tape 9.

At the time of reproduction, a video signal reproduced from the magnetic tape 9 is applied to an EE / PB switch 12a via a reproduction amplifier 10 and a video signal reproduction processing circuit 11. On the other hand, the FM audio signal reproduced from the magnetic tape 9 is demodulated by the reproduction amplifier 21 and the FM demodulator 22 and reproduced by the HIFI audio reproduction signal processing circuit 23 as a reproduction audio signal, which is applied to the EE / PB switch 12b. Can be

The output of the EE / PB changeover switch 12a of the video signal of the first screen and the video signal of the second screen are such that the main screen is selected by the switch 29a and the child screen is selected by the switch 29b. On the other hand, for the audio signal output, the audio of the main screen is always selected by the switch 29c.

Here, the selection switches 29a, 29b, 2
When the terminal 9c is connected to the terminal a, the terminal becomes a PinP screen having the first screen as a parent and the second screen as a child, as shown in a monitor screen shown in FIG. 11C, and is connected to the terminal b. At this time, as in the monitor screen shown in FIG. 11D, the screen is a PinP screen having the second screen as a parent and the first screen as a child.

[0011]

Since the conventional multi-screen magnetic recording / reproducing apparatus is configured as described above, a PinP screen can be formed and a plurality of screens can be viewed at a time during EE and PB. However, since the plurality of screens cannot be recorded at the same time, there has been a problem that the plurality of screens cannot be viewed later or the sound corresponding to the plurality of screens cannot be heard.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and is a multi-screen magnetic device capable of simultaneously recording a plurality of video signals and selecting and listening to an audio signal corresponding to each screen. An object is to obtain a recording / reproducing device.

[0013]

According to a first aspect of the present invention, there is provided a multi-screen magnetic recording / reproducing apparatus for transmitting a plurality of video signals to a plurality of video signals by using a PinP method.
Synthesize on the screen and record as it is.
The audio signal is recorded on an IFI audio track and a linear audio track, and the audio signals of the parent and the child can be arbitrarily selected at the time of reproduction.

The multi-screen magnetic recording / reproducing apparatus according to the third aspect of the present invention temporally compresses a video signal having an aspect ratio of 4: 3, and then pins the video signal so that a plurality of video signals do not overlap.
As well as recorded by combining the P screen, the video of astigmatism at the time of synthesis
By outputting information indicating that the spect ratio is 16: 9,
This is recorded on a control track, and audio signals of a parent and a child are recorded on a HiFi audio track and a linear audio track, so that the audio signals of the parent and the child can be arbitrarily selected at the time of reproduction. The multi-screen magnetic recording / reproducing apparatus according to the fourth aspect of the present invention includes a timer recording unit, which combines a plurality of video signals into a PinP screen and records the same as it is, and converts the audio signals of the parent and child into HiFi.
It is configured to record on an audio track and a linear audio track.

[0015]

According to the first aspect of the present invention, the child picture insertion means is connected to the front stage of the video signal recording processing circuit, the PinP picture is recorded as it is on the magnetic tape, and the audio signals of the parent and the child are recorded on the HIFI audio track. Since it is recorded on a linear audio track, it can be independently selected during reproduction.

According to the third aspect of the present invention, the aspect ratio is
A 4: 3 time compression means for the first video signal is connected to the preceding stage of the small picture insertion circuit, and the video compression is performed when the parent picture is combined.
Information indicating that the spectrum ratio is 16: 9 is output.
It is recorded on the control track Te, PinP screen NTSC video signal is played back as it is recorded on the magnetic tape.

According to a fourth aspect of the present invention, the timer recording means comprises:
According to the reserved contents, the operation of the multi-screen magnetic recording / reproducing apparatus is controlled so that the recording of the PinP screen and the recording of the audio signals of the parent and the child are performed.

[0018]

Embodiment 1 FIG. 1 is a block circuit diagram showing a multi-screen magnetic recording / reproducing apparatus according to an embodiment of the present invention. The detailed description is omitted. In the figure, 1 is an input terminal of a video signal of a main screen, 2 is an input terminal of a video signal of a sub-screen, 14 is an input terminal of an audio signal of a main screen, 18 is an input terminal of an audio signal of a sub-screen, and 19 is an input terminal of an audio signal of a sub-screen. Linear audio signal recording processing circuit, 20
Reference numeral denotes an audio head for recording and reproducing a linear audio signal, reference numeral 24 denotes a linear audio signal reproduction processing circuit, and reference numeral 25 denotes a changeover switch for switching an audio signal between a main screen and a sub-screen.

FIGS. 2A and 2B show monitor screens for video input and video output according to the first embodiment. FIG. 2A shows a video of the first screen, FIG. 2B shows a video of the second screen, and FIG. FIG. (C) is a PinP screen in which the first screen is the parent and the second screen is the child, FIG. (D) is a PinP screen in which the second screen is the parent and the first screen is the child, and FIG. FIG. 3F shows a three-screen video, which is a PinP screen having the first screen as a parent and the second and third screens as children.

Next, the operation of the above configuration will be described. At the time of EE or recording, the video signal of the small screen input from the input terminal 2 is converted into digital data by the A / D converter 3, converted into the small screen signal by the small screen data processing circuit 4, and (C) or (d) in FIG. 2 by the video signal of the main screen input from
Is converted into a PinP screen as shown in FIG. 2 and recorded on the magnetic tape 9 by the rotating magnetic head 8 via the video signal recording processing circuit 6 and the video signal recording amplifier 7, and at the same time, the switching connected to the EE side The PinP screen is output from the video signal output terminal 13 via the switch 12a.

On the other hand, the audio signal of the main screen input from the input terminal 14 is input to the HIFI audio signal processing circuit 15,
At the same time as the recording is performed on the magnetic tape 9 by the rotating magnetic head 8 via the FM modulator 16 and the audio signal recording amplifier 17, the audio signal of the main screen is output via the changeover switch 12b connected to the EE side. . Also, input terminal 1
The audio signal of the child screen input from the subwoofer 8 is sent to the audio head 20 via the linear audio signal recording processing circuit 19.
Is recorded on a linear audio track of the magnetic tape 9 at the same time as the changeover switch 12c connected to the EE side.
The audio signal of the child screen is output via the switch, and the audio of the parent screen and the audio of the child screen are selected by the changeover switch 25 and output from the audio signal output terminal 26.

At the time of reproduction, the video signal read from the magnetic tape 9 by the rotary magnetic head 8 is reproduced as a reproduced video signal by the reproduction amplifier 10 and the video signal reproduction processing circuit 11, and the recorded PinP screen is displayed on the P- screen. B
The video signal is output from a video signal output terminal 13 via a changeover switch 12a connected to the side.

On the other hand, the HIFI audio signal read from the magnetic tape 9 by the rotating magnetic head 8 is demodulated by the reproduction amplifier 21 and the FM demodulator 22 and
Is the audio reproduction signal with I audio reproduction signal processing circuit 23, the voice of the parent screen that has been recorded by means of the changeover switch 12b which is connected to the P B side is outputted.

The audio signal recorded on the linear audio track of the magnetic tape 9 is read out by the audio head 20, converted to an audio reproduction signal by the linear audio reproduction signal processing circuit 24, and recorded on the sub-screen. sound is output via the switch 12c connected to the P B side, out of the audio and sub-screen of the voice of the main screen by the switching switch 25 is outputted from the audio output terminal 26 either is selected and .

Embodiment 2 In FIG. 1, when a plurality of input terminals 2 are provided so as to receive a plurality of video signals of small screens respectively, FIGS. 2 (b) and 2 (e) inputted from each input terminal 2 are provided. Are converted into digital data by a plurality of A / D converters 3, are converted into a plurality of small-screen signals by a small-screen data processing circuit 4, and are converted into parent data by a small-screen insertion circuit 5. It is inserted into the video signal of the main screen input from the input terminal 1 of the video signal of the screen, and the P signal shown in FIG.
The video signal is converted into an inP screen, and is recorded on the magnetic tape 9 by the rotating magnetic head 8 via the video signal recording processing circuit 6 and the recording amplifier 7, and at the same time, the PinP screen is imaged via the changeover switch 12a connected to the EE side. Output from the signal output terminal 13.

The audio signal of the main screen is recorded and reproduced as a HIFI audio signal, the audio signal of a plurality of sub-screens is recorded and reproduced by being divided into a plurality of linear audio tracks. Any one of the audios of the plurality of child screens may be selected and output from the audio output terminal 26 as an audio signal. Further, a changeover switch (not shown) may be provided at the input terminal so that the signals of the main screen and the sub-screen can be arbitrarily exchanged.

Embodiment 3 FIG. 3 is a block circuit diagram of this embodiment. The same parts as those in FIG. 1 are denoted by the same reference numerals, and detailed description thereof will be omitted. In the figure, 41 is a clock means for outputting the current time, 42
Is a recording reservation setting means, and 43 is a storage circuit. In the storage circuit 43 via the recording reservation setting means 42, a recording start time and an end time, a channel No. Is stored.

Reference numeral 44 denotes a time comparison circuit which compares the recording start or end time stored in the storage circuit 43 with the current time, and outputs a recording start or recording end signal when they match. A control circuit 46 controls the operation of the multi-screen magnetic recording / reproducing apparatus according to the contents of the recording reservation stored in the storage circuit 43. Reference numeral 48 denotes a signal source, which supplies a video signal of a terrestrial broadcast tuner, a satellite broadcast tuner, and the like and an audio signal thereof to a recording signal selection circuit 47.

Next, the operation of the above configuration will be described. The recording start setting unit 42 sets the recording start time, the end time, the content of the recording signal, whether or not the sub-screen can be inserted, and the signal content of the sub-screen, and causes the storage circuit 43 to store these settings. The time comparison circuit 44 compares the current time output from the clock means 41 with the recording start time stored in the storage circuit 43, and outputs a recording start signal to the control circuit 46 when they match.

Upon receiving the recording start signal, the control circuit 46 controls the recording signal selection circuit 47 in accordance with the contents of the recording reservation stored in the storage circuit 43, and the signal source 48
From among the signals input from the main screen, the input terminal for the video signal of the main screen, the input terminal for the video signal of the sub-screen, and the input terminal 14 for the audio signal of the main screen
And the input terminal 18 for the audio signal of the sub-picture, and when the sub-picture is inserted, the video signal recording processing circuit 6, the HIFI and the linear audio signal processing circuit 1
5 and 19, and starts the recording operation in response to the reserved small-screen signal.

Next, the comparison circuit 44 is provided with the clock means 4
1 is compared with the storage end time stored in the storage circuit 43, and when they match, the recording end is output to the control circuit 46. The operation is terminated, and the apparatus enters a standby state for the next scheduled recording.

Embodiment 4 FIG. 4 is a block circuit diagram of this embodiment. The same parts as those in FIG. 1 are denoted by the same reference numerals, and detailed description thereof will be omitted. This embodiment is a magnetic recording / reproducing apparatus suitable for a multi-screen display device as disclosed in, for example, "Color Television Receiver" in JP-A-61-214872. In the figure, reference numeral 1 denotes an NTS having an aspect ratio of 4: 3.
Input terminal of video signal of C main screen, aspect ratio 4:
3 is an NTSC sub-screen video signal input terminal, and 27 is a main screen video signal input from the input terminal 1 in the horizontal direction.
This is a time compression circuit that performs compression for / 4 hours.

A control head 28 controls the running of the magnetic tape 9 and simultaneously records and reproduces information of the recorded video signal having an aspect ratio of 4: 3 on a control track of the magnetic tape 9. 29
Is a CTL pulse recording / reproducing circuit for the control head 28, and 30 is an output terminal for outputting information of a video signal having an aspect ratio of 16: 9.

FIG. 5 is a block circuit diagram showing an example of the time compression circuit 27 in FIG. In the figure, 31 is a synchronizing signal removing circuit for an input video signal, and 32 is an A for converting the video signal from which the synchronizing signal has been removed into a digital signal.
A / D converter, 33 is a 1H dual-port memory for storing video digital signals within one horizontal period, 34 is a D / A converter for converting digital signals to video signals, and 35 is a D / A converter. A synchronizing signal adding circuit for adding a synchronizing signal to the video signal converted in 34, and an output terminal 42 for a compressed video signal compressed in the horizontal direction for 3/4 hours.

Reference numeral 36 denotes a synchronizing signal separating circuit for the video signal input from the input terminal 1; 37, a chroma burst synchronous oscillator synchronized with the subcarrier frequency Fsc of the chroma signal of the input video signal; 38, a subcarrier frequency Fsc of 4; A first multiplier 39 for multiplying the frequency, a frequency divider 39 for dividing the frequency 4Fsc of the output signal of the first frequency multiplier 38 by 1/3, and a frequency multiplier 40 for the frequency 4 / 3Fsc of the output signal of the frequency divider 39. The second multiplier 41 is a 1H delay circuit for delaying the vertical synchronization signal VD and the horizontal synchronization signal HD separated by the synchronization signal separation circuit 36 by 1H.

FIG. 6 is a diagram showing a monitor screen for video input and video output according to the fourth embodiment. FIG. 6 (a) is a video of the first screen, FIG. 6 (b) is a video of the second screen, These first and second screen images have the aspect ratio of 4: 3 shown in FIG.
It is the same as the video. FIG. 3C shows a PinP screen having a first screen as a parent and a second screen as a child. The PinP screen displays an image of a parent screen having an aspect ratio of 4: 3 on a monitor having a wide aspect ratio of 16: 9. Display on the screen,
This is an example in which an image of a small screen is displayed in the blank portion.

Next, the operation of the above configuration will be described. At the time of EE or recording, the video signal of the main screen in the NTSC video input signal shown in FIG. 7A input from the input terminal 1 is converted by the compression circuit 2 into the video signal shown in FIG. Time compressed. Here, the compressed main screen video signal waveforms A ₀₁ , A _02, ... Correspond to the original main screen video signal waveforms A _1, A ₂ ,. On the other hand, in the NTSC video input signal input from the input terminal 2, the video signal waveforms B ₁ , B ₂ ,.
After being converted into a digital signal by the / D converter 3, it is converted into a video signal of a child screen by the child screen data processing circuit 4, and is compressed by the child screen insertion circuit 5 as shown in FIG. video signal waveform a ₀₁ screen, a _02, so as not to overlap ..., the video signal waveform B ₁ of the child screen, B _2, the parent-child screen video signal obtained by inserting a ... is created.

The video signal of the parent-child screen is output from the output terminal 13 via the changeover switch 12a connected to the EE side, and at the same time, the aspect ratio of the video signal is 16: 9.
Is output from the output terminal 30, and the image of the parent-child screen having the wide aspect ratio of 16: 9 shown in FIG. 6C is obtained on the monitor screen. The video signals of the parent and child screens are simultaneously supplied to the video signal recording processing circuit 6 and are recorded on the magnetic tape 9 by the rotating magnetic head 8 through the video signal recording amplifier 7.

At this time, the CTL pulse recording / reproducing circuit 29 transmits the control signal from the control head 28 to the control track of the magnetic tape 9 so that the aspect ratio of the NTSC video signal is 1
6: 9 information is recorded.

At the time of reproduction, a video signal read from the magnetic tape 9 by the rotary magnetic head 8 is converted into a reproduced video signal by the reproduction amplifier 10 and the video signal reproduction processing circuit 11, and the PinP recorded by the changeover switch 12a. The screen is output from the output terminal 13 .

At this time, the CTL pulse recording / reproducing circuit 29 reproduces, from the control head 28, information of the aspect ratio 16: 9 of the NTSC video signal recorded on the control track of the magnetic tape 9, and outputs the information to the output terminal 30. And the monitor screen is subjected to 16: 9 wide aspect signal processing. FIG. 8 shows an example of an array of information having an aspect ratio of 16: 9 in a control signal recorded on the control track.

Embodiment 5 In FIG. 4, when a plurality of input terminals 2 are provided so as to receive video signals of a plurality of sub-screens respectively, FIGS. 9 (b) and 9 (c) inputted from each input terminal 2 are provided. Each NTSC video signal of a plurality of sub-screens shown in FIGS.
FIG. 1 (a) which is converted into digital data by the / D converter 3 and converted into video signals of a plurality of small screens by the small screen data processing circuit 4 and input from the input terminal 1 by the small screen insertion circuit 5. NTSC of the main screen indicated by
The video signal is inserted into the video signal, converted into a PinP screen shown in FIG. 7E, and recorded on the magnetic tape 9 by the rotating magnetic head 8 via the video signal recording processing circuit 6 and the recording amplifier 7, and simultaneously on the EE side. Connected switch 12a
Is output from the output terminal 13 of the video signal via the terminal.

[0043] Example 6 also if it contains a screen that does not require the voice information of the character broadcast, FAX, etc. information of the child screen may require a number of tracks divided into a plurality of linear A audio track Recording may be performed with a minimum.

Seventh Embodiment Other configurations and operations can be modified in substantially the same manner as those described with reference to FIGS. 1 and 3.

[0045]

According to the first aspect of the present invention, since the parent screen and the child screen can be recorded and reproduced as the PinP screen, a plurality of screens can be recorded at the same time. You can see.

According to the third aspect of the present invention, the PinP screen is configured so that the parent screen and the child screen do not overlap, and the PinP screen composed of the NTSC video signal can be recorded and reproduced as it is.

According to the fourth aspect of the present invention, the recording of the PinP screen according to the first or third aspect can be recorded by reservation recording.

Furthermore, since the audio signals corresponding to the main screen and the sub-screen are recorded and reproduced separately in the HIFI audio track and the linear audio track, the audio signal of the main screen and the audio signal of the sub-screen are selected. You can listen.

[Brief description of the drawings]

FIG. 1 is a block circuit diagram according to a first embodiment.

FIG. 2 is a diagram illustrating an example of a monitor screen illustrating a recording / reproducing operation according to the first embodiment.

FIG. 3 is a block circuit diagram according to a third embodiment.

FIG. 4 is a block circuit diagram according to a fourth embodiment.

FIG. 5 is a block circuit diagram showing an example of a time compression circuit according to a fourth embodiment.

FIG. 6 is a diagram illustrating an example of a monitor screen illustrating a recording / reproducing operation according to a fourth embodiment.

FIG. 7 is a diagram illustrating an example of a video signal waveform for describing a recording / reproducing operation according to a fourth embodiment.

FIG. 8 shows an example of an arrangement of information having an aspect ratio of 16: 9 in a control signal recorded on a control track according to a fourth embodiment.

FIG. 9 is a diagram showing another example of the monitor screen for explaining the recording / reproducing operation of the fifth embodiment.

FIG. 10 is a block circuit diagram showing an example of a conventional multi-screen magnetic recording / reproducing apparatus.

FIG. 11 is a diagram showing an example of a monitor screen for explaining a conventional recording / reproducing operation.

[Explanation of symbols]

 Reference Signs List 3 A / D converter 4 Small screen data processing circuit 5 Small screen insertion circuit 6 Video signal recording processing circuit 8 Rotating magnetic head 9 Magnetic tape 11 Video signal reproduction processing circuit 12 EE / PB switch 15 HIFI audio signal recording processing circuit 16 FM modulator 19 Linear audio signal recording / processing circuit 20 Audio head 22 FM demodulator 23 HIFI audio reproduction signal processing circuit 24 Linear audio reproduction signal processing circuit 25 Audio signal output selection switch 27 Time compression circuit 28 Control head 29 CTL pulse recording / reproduction circuit 41 clock means 42 recording reservation setting means 43 storage circuit 44 time comparison circuit 46 control circuit 47 recording signal selection circuit

Claims (4)

(57) [Claims] 1. A rotating magnetic recording apparatus for recording a HiFi audio signal on a video track, recording a video signal thereon, recording an audio signal on a linear audio track, and reproducing each of the recorded signals. In a head-type multi-screen magnetic recording / reproducing apparatus, an input video signal serving as a sub-screen among a plurality of input video signals is provided.
Means for compressing the Deo signal on the child screen video signal, means for selecting the compressed video signal, a plurality of input bi
And means for inserting said child screen video signal into one <br/> video signal as a non parent screen is a compression process of the Deo signal, the video track of the magnetic tape the child screen insert video signal recorded signal processing to the hand stage that records, a HiFi audio signal corresponding to the video signal of the master screen to
And means for recording the video track, and hands-stage audio signal corresponding to the video signal of said child screen that records in the linear audio track, and means for reproducing said child picture Men挿 incoming video signal, parent reproduced HiF corresponding to the screen
means for selecting and outputting any one of an i- audio signal and an audio signal corresponding to the reproduced sub-screen. 2. The apparatus according to claim 1, wherein a plurality of small-screen video signals are inserted into the video signal of the main screen, and a plurality of linear audio tracks corresponding to the plurality of small screens have audio signals corresponding to the respective small screens. And a means for selecting and outputting one of a reproduced main screen audio signal and a plurality of reproduced sub-screen audio signals. Playback device. 3. A HiFi audio signal is added to a video track.
Moreover record the video signal on records the issue, Li
In a rotating magnetic head type multiplex magnetic recording / reproducing apparatus configured to record an audio signal on a near audio track and reproduce each of these recorded signals, a first input video signal having an aspect ratio of 4: 3 is recorded. Means for temporally compressing information in the horizontal direction, and a first input video
Means for compressing a second input video signal having the same aspect ratio as the signal e into a video signal of a small screen, and a video signal of the small screen so as not to overlap with the temporally compressed first input video signal and means for inserting, when the parent-child screen synthesis by <br/> insertion of said child screen, the aspect ratio of the video
Means for outputting information indicating 16: 9, and video
The aspect ratio information on the control track.
Means for recording a video signal of a multiplexed screen in which the parent and child screens are combined , means for reproducing the video signal, and information on the aspect ratio of the 16: 9 video recorded on the control track. For detecting and outputting information
Corresponding to the first video signal in the video track.
A means for recording a HiFi audio signal and a
The corresponding audio signal on the linear audio track.
Means for recording and means for reproducing HiFi audio signals
Means for reproducing the linear audio signal, and
HiFi audio signal and linear audio during playback
And a means for switching between the two signals . 4. The method of claim 1 or 3, means for storing the contents of the recording reservation, and the time comparison means for comparing the record start time and the end time are reserved to the current time and the storage means is inputted A recording signal selecting means for selecting a video signal of a designated main screen and a sub-screen and an audio signal thereof from a plurality of video signals and audio signals thereof, and when a recording start signal is inputted from the time comparing means. Control means for recording the PinP screen and its audio signal in accordance with the reserved contents by the recording signal selecting means, and stopping the recording operation when a recording end signal is inputted from the time comparing means. A multi-screen magnetic recording / reproducing apparatus characterized in that: