JPS6115486B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides an apparatus for recording audio information and image information using an ordinary audio magnetic tape, an audio tape recorder, or a magnetic recording device or magnetic reproducing device of the same type or similar thereto. and playing the above audio information and image information,
The present invention relates to a device for displaying images.

Traditionally, video tape recorders and video disk devices have been used as image signal recording devices, but these record image signals as analog signals on magnetic tapes or disks, making it possible to record detailed images as moving images in real time. It is unique in that it can be played back using a television display, and is used for recording image signals from television broadcasts and television cameras.

The present invention differs from the above-mentioned video tape recorder and video disc device in that it provides a recording medium, a recording device, and a video disc device.
The playback device uses a conventional audio magnetic tape, audio tape recorder, or the same or similar magnetic recording device or magnetic playback device, and the image signal is digitally processed and recorded, for example, on one channel track of a stereo magnetic tape. The present invention also aims to provide an apparatus for recording and reproducing an audio signal as an analog signal on the other channel track of the magnetic tape. Note that control signals for controlling the display of the image signal and processing and controlling other functions are also recorded on the track of one channel for recording the image signal.
In addition, since an audio tape recorder with a fixed head or the same or similar equipment is used for images, the amount of information that can be processed per unit time is limited;
Although it is mainly used for still images and animation, it has an extremely wide range of uses in fields such as information, education, and entertainment. The present invention will be explained in detail below with reference to the drawings.

FIG. 1 shows a schematic configuration diagram showing an embodiment of the recording apparatus of the present invention, in which 1 is an image signal input section composed of a television camera or the like, 2 is a control/processing section, and 3 is an operation/control section. A signal input section, 4 is an image memory section, 5 is a modulator, 6 is an audio signal input section consisting of a microphone or other audio equipment, etc., and 7 is an ordinary stereo or audio tape recorder using a fixed head, or the like. or a similar device; 8 and 9 are input terminals of the recording and reproducing device;

FIG. 2 shows a schematic configuration diagram showing one embodiment of the playback apparatus of the present invention, and 10 in the figure is a stereo audio tape recorder using a fixed head similar to 7 in FIG. 11 and 12 are output terminals of the recording and reproducing device 10, 13 is a demodulator, and 14 is a control/reproducing device.
15 is an operation input section; 16 is an image memory section; 17 is a display section using a television receiver or the like; and 18 is an audio signal output section composed of speakers and the like.

FIG. 3 shows an example of the recording format of signals on a magnetic tape in the recording device and playback device of the present invention. In the figure, 19 and 20 indicate two stereo channel tracks, where 19 is the right channel and 20 is the right channel. is represented as the left channel.

Further, 21, 22, and 23 indicate the types of recorded signals, 21 is control program data, and 2
2 indicates image data, and 23 indicates an audio signal.

Now, in FIG. 1, the image signal input unit 1 is connected to a television camera and an analog input unit when inputting image information such as still images, animations, and figures.
It is configured using a digital converter, encodes image information, and supplies it to the control/processing section 2. Further, image information such as characters and simple figures is constructed using a character and figure generator, and a digital image signal is supplied to the control/processing section 2.

In order to match the image signal (digital signal) from the image signal input section 1 to the recording speed of the audio tape recorder, that is, the recording/reproducing device 7, the control/processing section 2 temporarily transfers the image signal (digital signal) to the image memory section 4 and stores it therein. That is, the image memory section 4 becomes a buffer memory.

Further, from the operation/control signal input section 3, the image memory section 16 is sent to the control/processing section 14 of the playback device shown in FIG.
command signals for controlling and processing the display unit 17, etc. (it is more rational to configure both the control/processing unit 2 in Fig. 1 and the control/processing unit 14 in Fig. 2 with a microprocessor as the center). (in this case the command signal is a program).

Here, the control/processing section 2 converts the command signal from the operation/control signal input section 3 and the image signal stored in the image memory section 4 to the recording speed of the recording/reproducing device 7 (a speed of about 1200 to 9600 BPS). The signals are synchronized and transferred to the modulator 5, but the order of the transferred signals is as shown in the recording signal format of track 19 in FIG. 4 program data) is sent out, and then the image signal (image data) stored in the image memory section 4 is read out and transferred. As a result, the command signal and the image signal become serial signals and are transferred to the modulator 5. This transferred serial signal is modulated by a modulator 5 using a carrier wave signal of several 100s to several 1000Hz using a modulation method such as phase modulation, frequency modulation, or amplitude modulation, and this modulated signal is sent to the input terminal of the recording/reproducing device 7. 8.

When a conventional stereo audio tape recorder with a fixed head, which is commonly used today, is used as the recording/playback device 7, the input terminals 8 and 9 are two recording input terminals for stereo recording, and in this case, 8 is the right channel input terminal. 9 is used as the left channel input terminal.

The input terminal 8 of this recording/reproducing device 7 is supplied with the output signal from the modulator 5 as described above, but the input terminal 9 is supplied with the same means used for conventional audio recording, that is, a microphone. An audio signal is supplied from an audio signal input section 6 which inputs an audio signal from an audio device or other audio device.

With the above configuration, when a command signal and an image signal are supplied to the input terminal 8 of the recording/reproducing device 7, and an audio signal is supplied to the input terminal 9, and the recording/reproducing device 7 performs stereo recording on a magnetic tape, the result shown in FIG. Track 19,2
0, command signals (program data) and image signals (image data) are recorded on the right channel track, and audio signals are recorded on the left channel track.

The timing of recording the command signal, image signal, and audio signal can be arbitrarily set depending on the type of display when they are played back. The timing can be set to record the accompaniment music for the poem as an audio signal, and when a still image is displayed, the narration of the explanation can be recorded at the same time.

FIG. 2 is a schematic configuration diagram of an embodiment of a reproducing apparatus for a magnetic tape recorded by the recording apparatus shown in FIG.
It goes without saying that the same audio tape recorder as the recording/reproducing device 7 shown in FIG. 1 can be used as the recording/reproducing device 10.

Now, the output terminals 11 and 12 are two stereo reproduction output terminals of the recording/reproducing device 10, with 11 being the right channel output terminal and 12 being the left channel output terminal.

As mentioned above, assuming that the command signal and the image signal are recorded on the right channel track of the magnetic tape, when the magnetic tape is reproduced by the recording/reproducing device 10, the serial signal of the command and the image signal is modulated at the output terminal 11. It is played back and taken out.

This signal is then demodulated by a demodulator 13 and converted into a digital command and image signal. The commands and image signals from the demodulator 13 are supplied to the control/processing section 14, which is mainly composed of a microprocessor and a RAM (random access memory) that stores instructions (programs). It consists of a controller that performs various controls and processes, and first, the command signal stores the program.
Store in RAM. By sequentially executing the instructions stored in this RAM, the control/processing unit 14
Perform the action. Next, when the image signal is supplied,
The control/processing section 14 transfers this image signal to the image memory section 16 and stores it therein.

The display section 17 uses the display section (video section) of a television receiver, but in order to display the image signal on the television screen, the signal is read out from the image memory section 16 and displayed in accordance with the timing of screen scanning. 17. Such control/processing is also processed by the control/processing section 16.

In addition, in the case of characters or simple figures, binary digital signals of 1 or 0 can be directly supplied to the display unit 17 for display, but in the case of still images or other images that require multiple gradations, control and The processing section 14 includes a digital-to-analog converter, converts the encoded signal into an analog signal, and supplies the analog signal to the display section 17. In addition, when supplying an image signal to a television receiver, the image signal is separated into red, blue, and green signals.
A color image can be obtained by supplying red, blue, and green signals to the input terminals of a primary color drive circuit of a television receiver and displaying the signals in color.

On the other hand, an audio signal is reproduced and taken out at the output terminal 12 of the recording/reproducing device 10. This audio signal is supplied to an audio signal output section 18 comprising an audio signal amplifier, a speaker, etc., and outputs audio. It goes without saying that the audio circuit and speakers of the television receiver used in the display section 17 can be used as the audio signal output section 18.

The operation input section 15 is an operation input section composed of a light pen, a keyboard, a tablet, etc., for interacting with the display image on the display section 17, modifying the display image, and performing various other controls and operations.

As described in detail above, the present invention provides a method for transferring an audio signal to a conventional audio magnetic tape onto one channel track by a conventional stereo audio tape recorder or similar or similar device. This is a device that can record an image signal on the other channel track, play it back, display it on a television screen, and output sound. Note that magnetic recording devices and magnetic reproducing devices include ordinary cassette tape recorders,
Although any open tape recorder can be used, it is advantageous to use the cassette system, which is smaller and easier to operate.

In this case, the tape speed is as low as 4.75 cm/sec, but this does not cause any problem with the apparatus of the present invention.

Furthermore, both the image memory section 4 in FIG. 1 and the image memory section 16 in FIG. 2 can be constructed of a semiconductor memory or a magnetic bubble memory as a memory element.

Applications of the present invention include so-called karaoke, where accompaniment music is played while displaying poetry, picture stories and narrations similar to picture-story shows, language practice, displays in which various shapes change with music, and audio explanations such as cooking and childcare. There are many types of displays, various games, etc. Furthermore, display in various colors is also possible.

[Brief explanation of the drawing]

FIG. 1 is a schematic diagram of an embodiment of a recording device of the present invention, FIG. 2 is a schematic diagram of an embodiment of a reproducing device of the present invention, and FIG. 3 is a diagram of recording signals on a magnetic tape in the present invention. It is a figure showing an example of a form. 1... Image signal input section, 2... Control/processing section, 3...
Operation/control signal input section, 4... image memory section, 5...
Modulator, 6... Audio signal input section, 7... Recording/reproducing device,
10...recording/reproducing device, 13...demodulator, 14...control/
Processing section, 15... Operation input section, 16... Image memory section, 17... Display section, 18... Audio signal output section, 1
9, 20...Truck, 21...Control program data, 22...Image data, 23...Audio signal.

Claims (1)

[Claims] 1. An analog audio signal is recorded on one of first and second channel tracks formed in parallel to a magnetic tape that is moved at a constant speed using a fixed magnetic head. and an image information recording means for recording digital image information on the other channel track and control signals involved in controlling the image information using a fixed magnetic head. recording device. 2. In claim 1, the audio information recording means includes an audio signal input section that inputs an analog audio signal to be recorded, and the image information recording means includes an audio signal input section that inputs analog audio signals to be recorded, and an image signal input section comprising at least one of means for converting an analog image signal into a digital image signal and means for generating a digital image signal of characters and figures; and storing a digital image signal from the image signal input section. an image memory section, an operation input section into which the control signal is input, a modulator that performs phase modulation, frequency modulation, or amplitude modulation at a frequency in the audio signal frequency band; and a digital image signal from the image signal input section. and a control/processing section that transfers a control signal from the operation input section and a digital image signal read from the image memory section to the modulator. A recording device for audio and image signals. 3. In the description of claim 2, the control/processing section is configured using a microprocessor, and the control signal from the operation input section is configured to include program information for giving commands to the microprocessor. A recording device for audio/image signals, characterized in that the signals are used as signals. 4. In the statement of claim 1, 2, or 3, the fixed magnetic head of the audio information recording means and the fixed magnetic head of the image information recording means record audio signals on a magnetic tape in stereo. 1. A recording device for audio/image signals, characterized in that it uses a recording head of a recorder capable of recording audio signals. 5. Audio information recording means for recording an analog audio signal on one of the first and second channel tracks formed in parallel to a magnetic tape driven at a constant speed using a fixed magnetic head; The first and second magnetic tapes are recorded on the other channel track by an apparatus comprising an image information recording means for digitizing image information and a control signal involved in controlling the image information and recording it with a fixed magnetic head. A device for reproducing analog audio signals and digitized image information recorded on a second channel track, the device driving the magnetic tape at a constant speed and playing the analog audio signal recorded on the one channel track on a fixed head. and an image information reproducing means for reproducing digitized image information recorded on the other channel track using a fixed magnetic head and displaying the image on a display screen. Audio/image signal playback device. 6. In claim 5, the image information reproducing means includes an image memory that stores digital image information reproduced by the fixed magnetic head and digital image information from a demodulator that demodulates the control signal. a control/processing unit for reading digital image information from the image memory unit after transferring the digital image information from the demodulator to the image memory unit; and digital image information read from the control/processing unit. 1. An audio/image signal reproducing device comprising: an image display section comprising a television receiver for displaying an image. 7. In claim 6, the image information reproducing means includes an operation input section that inputs a control signal to the control/processing section to arbitrarily control the display screen of the image display section. An audio/image signal reproducing device characterized by: 8. In the statement of claim 5, 6, or 7, the control/processing section is configured using a microprocessor, and reproduces control signals recorded on the magnetic tape. 1. A reproducing apparatus for audio/image signals, characterized in that the signal obtained by the microprocessor is given as a program information signal of instructions to the microprocessor to execute necessary control and processing. 9. In the statement of claim 6, 7, or 8, the image display section
It is characterized by being configured to separate the image signal from the processing section into red, blue, and green color signals, and supply each color signal to the primary color drive circuit included in the television receiver for color display. The audio to be
Image signal reproducing device. 10 Claims 5, 6, 7,
In the description of item 8 or 9, the fixed magnetic head of the audio information reproducing means and the fixed magnetic head of the image information reproducing means reproduce stereo audio signals recorded on right and left channel tracks of a magnetic tape. What is claimed is: 1. A playback device for audio and video signals, characterized in that the playback head of a tape playback machine obtained by the manufacturer is used.