JP3048824B2 - Disc playback device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to CD graphics (C
The present invention relates to a disk reproducing apparatus capable of reproducing graphic information other than still image graphic information recorded on a DG) disk.

[0002]

2. Description of the Related Art Conventionally, as a means for recording still picture image information on a disk medium, a subcode of a compact disc (CD) on which audio signal information such as music is recorded is used, and the A recording medium called CD graphics (CD-G) recorded with the image information described above is generally known.

The image information recorded in the sub-code area of the CD-G is a load CLUT (CLUT: color look-up unit) that provides color information (RGB) for each of the 16 colors that can be simultaneously displayed on the monitor screen. Table) Preset memory and preset border for painting the entire monitor screen or the entire frame to a color of a predetermined color number Information on the display position of the font on the monitor screen composed of 6 × 12 pixels (pixels) and the font Are "instructions" called graphic information such as a light font and an exclusive or font which give a color number to each pixel, and "graphic data".

Here, as shown in FIG. 5, the prior art will be described with reference to a circuit block diagram relating to graphic information processing of a disk reproducing apparatus for reproducing a CD-G disk.

In FIG. 5, reproduced graphic information 2 including instructions and graphic data is input from a CD player 1 to an error detection / correction unit 3.

The error detecting / correcting section 3 reproduces reproduced graphic information (serial data, bit data,
After the interleaving and scrambling in the clock and the word clock are canceled and the data error is detected / corrected, the data is supplied to the instruction processing unit 5 as the still picture graphic information 4.

Then, the instruction processing unit 5
The instruction for displaying the still picture graphic information 4 on a television monitor is decoded, and the graphic data is input to the V-RAM 6 and the CLUT 7 according to the instruction.

Thus, the V-RAM 6 and the CLUT
The old graphic data already stored in 7 is rewritten with new graphic data.

In a normal CD graphic, a maximum of one display color can be simultaneously displayed on one screen of a television monitor.
There are six colors, and the display color is 16 steps (4
bit).

That is, 4 bits × 3 colors = 12 bits and 4,096
You can choose from colors.

The CLUT 7 is a semiconductor memory composed of 4 bits.times.3 colors.times.16 bits = 192 (bits) for storing which of the 4,096 colors each of the RGB display colors is. .

The V-RAM 6 determines which one of 16 colors (4 bits) of a maximum of 300,216 = 64,800 pixels (horizontal × vertical) to be displayed on one screen of a television monitor is displayed. It is a semiconductor memory composed of 64,800 × 4 bits = 259,200 (bits) for storing.

The RGB signal generator 9 is provided with the V-RAM 6
Alternatively, graphic data 8 stored in the CLUT 7 is input, and RG is performed based on the graphic data.
A B signal 10 is generated, and the RGB signal is output to the video signal combining unit 11.

Thereafter, the RGB signal 10 is output to the video signal synthesizing section.
11, the composite video signal is synthesized, and the synthesized composite video signal is
The video signal 12 is output from the video signal output terminal 13 to a television monitor (not shown).

As described above, the disc reproducing apparatus for reproducing the CD-G disc decodes the instructions of the still picture graphic information reproduced from the CD player by the instruction processing section, and uses the graphic data based on the instructions to display the picture on the television monitor. The method of drawing a graphic image on top is generally awarded.

However, in the above-described disc reproducing apparatus, only the still picture graphic information of the CD-G disc reproduced by the CD player is displayed on the screen of the television monitor, and the still picture graphic information is displayed during the reproduction of the CD-G disc. There has been a problem that graphic information other than graphic information cannot be displayed on a television monitor screen.

[0017]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has been made in consideration of the above-described problems. The present invention provides a disk reproducing apparatus capable of displaying an image on a screen of a television monitor according to the above.

[0018]

According to a first aspect of the present invention, there is provided a disk reproducing apparatus for decoding an instruction among graphic information including an instruction and graphic data and outputting graphic data based on the instruction. A first storage element that is instructed by the processing unit and stores graphic data of still image graphic information reproduced from a disk, a storage unit that stores stored image graphic information different from the still image graphic information, Control means for reading and controlling the still image graphic information based on the instruction processing information by the instruction processing unit; and a storage image graph instructed by the instruction processing unit and read from the storage unit A second storage element for storing graphic data of communication information; an operation unit provided to selectively display the still image graphic information or the stored image graphic information on a television monitor; A video signal processing unit for inputting graphic data stored in the second storage element, and converting the graphic data into a video signal in accordance with a switching operation of the operation unit. The readout cycle of the still picture graphic information is time-divided based on the judgment information and the time information of the instruction processing to be outputted, and the stored picture graphic information is read out, and the video signal processing section is switched according to the switching operation by the operation section. Selectively stores graphic data stored in the first and second storage elements. And it outputs a control signal for inputting.

The first storage element stores graphic data of still picture graphic information at all times during reproduction of the disk, and the second storage element stores the graphic data based on time division by the instruction processing unit. The graphic data of the stored graphic information read from the storage unit is stored, and the input to the video signal processing unit is switched from the graphic data of the stored graphic information to the graphic data of the still graphic information by a control signal from the control unit. In such a case, the still image graphic information is displayed as an image.

Further, the video signal processing section includes the first video signal processing section.
An RGB signal generating unit that selectively receives graphic data stored in the storage element or the second storage element by a control signal from the control unit and generates an RGB signal based on the graphic data; RGB
And a video signal synthesizing unit for synthesizing a composite video signal to which a signal is input.

The first storage element includes a main V-RAM for storing data related to background color information and image information of a picture to be drawn on a monitor screen, out of graphic data of a still picture, and a main memory for a monitor screen. A main CLUT for storing data related to image color information of a picture to be drawn, wherein the second storage element is mainly related to background color information and image information of the picture to be drawn on a monitor screen, out of graphic data of the stored image. Secondary V for storing data
A RAM and a sub-CLUT mainly storing data relating to image color information of a picture to be drawn on a monitor screen.

The graphic data of the stored image stored in the sub V-RAM and the sub CLUT is transferred from the main V-RAM by a control signal from the control means.
-Before switching to the RAM, all data is rewritten to data relating to the background color of a predetermined picture, and after switching to the sub-V-RAM by the control signal from the control means, is rewritten to data relating to the picture image. Configuration.

Further, graphic data of the stored image stored in the sub-V-RAM and the sub-CLUT is transferred from the main V-RAM by a control signal from the control means.
-Before switching to RAM, all data must be in the secondary V-RAM
Is rewritten to the same data as the data relating to the background color of the picture stored in the
After switching to the RAM, the data is rewritten to data relating to a picture image.

[0024]

According to the disk reproducing apparatus of the present invention, the CD-G
The still image graphic information reproduced from the disk is always decoded by the instruction processing unit, and the graphic data relating to the background color information of the picture and the image information is converted to the main V-RA based on the instruction.
Graphic data relating to image color information of a picture is stored in the main CLUT.

The stored graphic information stored in the microcomputer built-in ROM is converted by the microcomputer in accordance with the switching operation of the graphic information by the operation unit and based on the judgment information and the time information of the instruction processing input from the instruction processing unit. The data is read out in time division.
The stored image graphic information read from the microcomputer built-in ROM is subjected to instruction decoding by an instruction processing unit. Based on the instruction, the background color information of the picture and the graphic data relating to the image information are stored in the sub V-RAM, Graphic data relating to information is stored in each of the sub-CLUTs.

The graphic data of the still image graphic information and the stored image graphic information is selected from data stored in the main or sub V-RAM / CLUT input to the RGB signal processing unit by a control signal output from the microcomputer. Is done.

When the data stored in the V-RAM / CLUT input to the RGB signal processing unit is switched from the main to the sub according to the control signal, all the data stored in the sub-V-RAM before the switching are changed to a predetermined value. Is rewritten to the data relating to the background color of the picture or the same data as the data relating to the background color of the picture stored in the sub-V-RAM before the switching, and is rewritten to the data relating to the picture image after the switching.

[0028]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will now be described with reference to FIG.
FIG. 3 is a circuit block diagram illustrating graphic information processing related to G disk reproduction; FIG. 3 is a timing chart illustrating time-division processing of graphic information by the microcomputer illustrated in FIG. 2;
A detailed description will be given with reference to FIG. 4 which shows an instruction processing related to an algorithm of the microcomputer program and a state of displaying a video signal on a television monitor screen by the microcomputer processing.

The same circuit blocks as those in the conventional example shown in FIG. 5 are denoted by the same reference numerals, and description thereof will be omitted.

In the still picture graphic information 4 in FIG. 1, the instructions for displaying an image on the television monitor screen are decoded by the instruction processing section 20 as described in the background art.

In the present invention, graphic data in the still picture graphic information 4 is supplied to the main V-RAM 21 and the main CLUT 22 based on instructions decoded by the instruction processing section 20.
Thus, the old graphic data already stored in the main V-RAM 21 and the main CLUT 22 is rewritten with new graphic data.

On the other hand, the microcomputer 25 has a built-in ROM 26 in which a plurality of pieces of still picture graphic information are stored. The stored picture graphic information 27 read from the ROM is used to switch the image display by the operation unit 50. It is output to the instruction processing unit 20 according to the operation.

Then, the stored picture graphic information 27
As in the case of the still picture graphic information reproduced from the CD player 1, the instruction is decoded by the instruction processing unit 20, and the graphic data is converted into the sub V-RAM 23 and the sub CLUT based on the instruction.
Supplied to 24. As a result, the old graphic data already stored in the sub V-RAM 23 and the sub CLUT 24 is rewritten with new graphic data.

Accordingly, the still picture graphic information 4 reproduced from the CD player 1 is stored in the main V-RAM / main CLUT.
The stored graphic information 26 read from the built-in ROM of the microcomputer 25 is stored in the sub V-RAM / sub CLUT.

In the embodiment of the present invention, the storage element for storing the stored image graphic information is described as a ROM built in the microcomputer. However, if the same operation and effect can be obtained by other storage elements, It goes without saying that the present invention is not limited to the ROM with a built-in microcomputer.

Next, the main V-RAM 21, main CLUT 22, sub-V-RAM 23 and sub-CLUT 24 provided for realizing the present invention will be described.

The main V-RAM 21 mainly stores data relating to background color information and image information of a picture to be drawn on a monitor screen, out of still picture graphic information reproduced from a CD-G disk, and will be described in the prior art. VR
This is a semiconductor memory having the same configuration as AM.

The main CLUT 22 mainly stores data relating to image color information of a picture to be drawn on a monitor screen, out of still picture graphic information reproduced from a CD-G disk, and has the same configuration as the CLUT described in the related art. Is a semiconductor memory.

The sub V-RAM 23 has a built-in R
Among the stored image graphic information read out from the OM 26, this mainly stores data relating to background color information and image information of a picture to be drawn on a monitor screen.
Main V-RA provided to fulfill the same role as M21
This is a semiconductor memory having the same capacity as M21.

The sub-CLUT 24 has a built-in RO
Of the stored graphic information read out from the M26, mainly stores data relating to image color information of a picture to be drawn on the monitor screen, and has the same capacity as the main CLUT 22 provided to serve the same role as the main CLUT 22. It is a semiconductor memory.

FIG. 2 is a timing chart for explaining the time division processing of graphic information by the microcomputer according to the embodiment, and the microcomputer control will be described in accordance with the timing chart.

In the microcomputer control, the read cycle of the still picture graphic information reproduced from the CD player 1 is 3.3 mse.
(i.e., instructions are recorded in the sub-code area of the CD-G disc at a period of 3.3 msec.), and the microcomputer 25 is executed every 3.3 msec.
Performs time division processing of still image graphic information.

The time division processing by the microcomputer is as follows:
The microcomputer 25 has a comparison operation function (not shown), and determines whether or not the 3.3 msec. Cycle of the still image graphic information output from the instruction processing unit 20 is a period during which the instruction processing unit 20 processes the instruction. Information 28 and time information 29 as a synchronization timer value indicating the time required for the instruction processing are input, and 3.3 msec. Is time-divided based on the instruction processing information.

More specifically, an operation of switching the monitor screen display to the stored graphic information from the operation unit 50 [FIG.
(b)] is detected by the microcomputer 25, and based on the switching operation, the microcomputer 25 determines the determination information 28 [A (A) shown in FIG.
1, A2, A3... Period), the A
A predetermined time set from the elapsed time and the time required to read the stored image graphic information from the ROM 26 [FIG.
T period shown in (d)].

In the A period of the judgment information 28, the elapsed time of the A period differs depending on the processing contents of the graphic information.

In the embodiment of the present invention, in FIG. 2C, the period A of the judgment information 28 is described only as the period required for the instruction processing of the still picture graphic information. It goes without saying that data is included. Further, FIG. 2C shows that the instruction period and the graphic data period of the still image graphic information are provided within the 3.3 msec. Cycle separately from the A period of the determination information 28, or the image stored after the determination information of the A period is displayed. Illustration and description of providing an instruction period for processing graphic information and a graphic data period within a period of 3.3 msec. Are omitted.

If the determination information A is within the predetermined time T, the microcomputer 25 stores the stored image graphic information [FIG.
B (B1, B2, B3...) period shown in FIG.
The data is output from M26 to the instruction processing unit 20.

In the B period of the stored image graphic information, similarly to the A period of the determination information, the elapsed time of the B period differs depending on the content of the stored image graphic information.
Further, in order to reliably read data from the ROM 26, a plurality of data may be provided within a read cycle of 3.3 msec until the next determination information A is input to the microcomputer 25 (B2 and B3 shown in FIG. 2E).

When the determination information A exceeds the predetermined time T, the stored graphic information is not output to the instruction processing unit 7.

Accordingly, as shown in FIG. 2 (f), an image is displayed on the television monitor screen in accordance with the still image graphic information and the stored image graphic information according to the switching operation by the operation unit 50.

In the example of FIG. 2, since the elapsed time A1 or A2 of the judgment information input from the instruction processing unit 7 is within the predetermined time period T, the stored image graphic information B1 or B2 and B3 are output from the microcomputer 25, Since the elapsed time A3 of the determination information input from the instruction processing unit 7 exceeds the predetermined time period T, the stored image graphic information is not output from the microcomputer 25.

Then, the microcomputer 25 responds to an image display switching operation from the operation unit 50, and an RGB signal generation unit (to be described later).
31 for the primary V-RAM / primary CLUT or secondary VR
A control signal 30 for selecting which graphic data stored in the AM / sub-CLUT is to be input is output.

The RGB signal generator 31 receives the graphic data stored in the main V-RAM / main CLUT or the sub-V-RAM / sub CLUT according to the control signal 29 and generates an RGB signal 10. The RGB signal is output to the video signal combining unit 11.

Then, the composite video signal synthesized by the video signal synthesizing section 11 is converted into a television monitor signal 12.
Is output from the video signal output terminal 13.

As described above, in the present invention, the fact that the read cycle of the still picture graphic information is 3.3 msec. Is used and time division processing is performed by the microcomputer in the read cycle, so that the instructions are decoded from the graphic information. It is not necessary to provide an instruction processing unit for each of the still image graphic information and the stored image graphic information, and the sub-V-RA stores the graphic data related to the background color and image of the picture of the stored image graphic information.
By simply adding M and a sub-CLUT that stores graphic data relating to the image color of a picture, two different types of graphic information read from the CD-G disk and the ROM with the microcomputer can be displayed on the television monitor screen. it can.

Next, the algorithm of the program processing by the microcomputer control of the present invention will be described with reference to FIGS.

Step 1 in FIG. 3 shows an image display state of a television monitor screen when a CD-G disc is being reproduced. The instruction processing section 20 inputs instructions of still picture graphic information and graphic data, and And the graphic data is stored in the main V-RAM / main CLUT, and an image of the still image graphic information is drawn on the television monitor screen.

When the image display on the television monitor screen is switched during the reproduction of the CD-G disc in the procedure of step 2, the microcomputer 25 detects the switching operation, and the stored image graphic information is read from the ROM 26 by time division processing. Read to section 20. Further, the image of the still image graphic information is displayed on the television monitor screen, and the image based on the stored image graphic information is not displayed at this time.

In the procedure of step 3, the instructions of the still picture graphic information and the stored picture graphic information and the graphic data are input to the instruction processing section 20, respectively, and the instructions are decoded by the instruction processing section. And
Among the instructions and graphic data of the stored graphic information, graphic data relating to image color information of a picture to be drawn on the television monitor screen is output from the instruction processing unit 20 and stored in the sub-CLUT 24.

Then, in the procedure of step 4, of the instructions and graphic data of the stored graphic information, the graphic data relating to the background color information of the picture to be drawn on the television monitor screen is processed by the instruction processing unit.
It is output from 20 and stored in the sub V-RAM 23.

Next, in the procedure of step 5, the microcomputer 25
A control signal 30 is output from the main V-RAM / main CLUT to the sub-V-RAM / sub-CLUT by the control signal. Only the background color of the picture read from the V-RAM 23 is displayed.

Then, in the procedure of step 6, of the instructions and graphic data of the stored graphic information, the graphic data relating to the image information of the picture to be drawn on the television monitor screen is processed by the instruction processing unit.
It is output from 20 and stored in the sub V-RAM 23. at the same time,
Images based on image information of pictures read from the sub-V-RAM 23 are sequentially drawn on the television monitor screen.

In the procedure of step 7, when the instruction processing unit 20 finishes writing the graphic data relating to the picture image information to the sub-V-RAM 23, the picture image based on the stored picture graphic information drawn on the television monitor screen. The display ends.

Next, in the procedure of step 8, during the display of the picture image based on the stored picture graphic information, the microcomputer 25
When a switching operation to the still picture graphic information during the reproduction of the DG disc is detected, the instruction processing unit 20
Inputs only instructions and graphic data of still image graphic information. And microcomputer 25
Input to the RGB signal generation unit by the control signal from
-Switch from RAM / sub CLUT to main V-RAM / main CLUT.

Before switching to the still picture graphic information, the main V-RAM / main C
An image based on the graphic data stored in the LUT is displayed.

This means that, on the screen of the television monitor in the procedure of step 8, the graphic data relating to the picture background color and the image of the still picture graphic information is always stored in the main V-RAM, and the graphic data relating to the picture color of the picture. Since the data is always stored in the main CLUT, when the image display is switched from the graphic information of the stored image to the graphic information of the still image, the CD-G disc is being reproduced when switching from the main V-RAM and the main CLUT. Is displayed based on the still image graphic information.

Further, before the graphic information of the stored image is switched from the main to the sub when the data stored in the V-RAM / CLUT is changed from the main to the sub by the microcomputer control such as a control signal,
All data stored in the sub-VRAM and sub-CLUT is rewritten with data relating to the background color of a predetermined picture, or the sub-VRAM and sub-CLU are changed before switching.
The data is rewritten to the same data as the background color of the picture stored in T, and after switching from the main to the sub, the data is rewritten to the data related to the picture image, so that the data is stored in the sub V-RAM and sub CLUT on the screen of the television monitor. The old data before switching is displayed as an image.

As a result, even when graphic information other than the still picture graphic information reproduced on the CD-G disc is being reproduced, the graphic data relating to the picture background color and image of the still picture graphic information reproduced from the CD-G disc is reproduced. Is always stored in the main V-RAM, and graphic data relating to the image color of the picture is always stored in the main CLUT. Therefore, when the operation unit is operated to return the image display on the television monitor screen to the still image graphic information, In addition, it is possible to realize image display without impairing image quality such as lack of image display on a television monitor screen.

The description of the above embodiments is for the purpose of illustrating the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope thereof.

Further, each constitution of the present invention is not limited to the above-mentioned embodiment, and it goes without saying that various modifications can be made within the technical scope described in the claims.

For example, although not shown in FIG. 1 of the above-described embodiment, by synchronizing with audio data information of audio signal processing in CD-G disc reproduction using the image display function of stored image graphic information of the present invention, During playback of the CD-G disc, an effect image such as clapping or a bell can be displayed on a television monitor by operating the external microphone of the karaoke apparatus, and these effect sounds can be emitted from the CD player or the television monitor.

[0072]

As described above, in the present invention, the still image graphic information reproduced from the CD-G disc is always decoded by the instruction processing section, and the background color information of the picture and the graphic information relating to the image information are based on the instruction. Data is main V-RAM
The graphic data related to the image color information of the picture is mainly C
Each is stored in the LUT.

The stored image graphic information stored in the microcomputer built-in ROM is read in response to the graphic information switching operation by the operation unit and based on the instruction processing determination information and time information input from the instruction processing unit. The data is read out by being time-divided by the microcomputer. Then, the stored image graphic information read from the microcomputer built-in ROM is deciphered by the instruction processing unit, and based on the instruction, the background color information of the picture and the graphic data relating to the image information are stored in the sub V-RAM, Graphic data relating to information is stored in each of the sub-CLUTs.

As described above, in the present invention, the fact that the read cycle of the still picture graphic information is 3.3 mmsec. Is used, and the microcomputer performs time-division processing at the read cycle, so that the instructions can be obtained from the graphic information. It is not necessary to provide an instruction processing unit for decoding for each of the still image graphic information and the stored image graphic information, and the sub VR stores the graphic data of the background color and image of the picture of the stored image graphic information.
Displaying two types of different graphic information read from the CD-G disk and the ROM with built-in microcomputer on the screen of the television monitor simply by adding the AM and the sub-CLUT that stores the graphic data relating to the image color of the picture. Can be.

The graphic data of the still picture graphic information and the stored picture graphic information is stored in a main or sub V-RAM according to a control signal output from the microcomputer.
The data stored in / CLUT is selected and input to the RGB signal processing unit.

Then, the V-RAM / C
When switching the data stored in the LUT from main to sub,
All data stored in the sub-V-RAM before switching is rewritten to data relating to the background color of a predetermined picture or to the same data as the data relating to the background color of the picture stored in the sub-V-RAM before switching. After the switching, the data is rewritten to data relating to the picture image.

As a result, even during the reproduction of graphic information other than the still picture graphic information reproduced on the CD-G disc, the graphic data relating to the background color and picture of the picture of the still picture graphic information reproduced from the CD-G disc are reproduced. Is always stored in the main V-RAM, and the graphic data relating to the image color of the picture is always stored in the main CLUT. Therefore, when the operation unit is operated to return the image display on the TV monitor screen to the still image graphic information, In addition, it is possible to realize image display without impairing image quality such as lack of image display on a television monitor screen.

Therefore, by synchronizing with the audio data information of the audio signal processing in reproducing the CD-G disc by using the image display function of the stored image graphic information of the present invention,
During playback of a CD-G disk, an effect image such as applause or bell can be displayed on a television monitor by operating an external microphone of the karaoke apparatus, and these effect sounds can be emitted from a CD player or a television monitor. The effect of implementing the invention is significant.

[Brief description of the drawings]

FIG. 1 is a circuit block diagram illustrating graphic information processing related to CD-G disc reproduction according to the present invention.

FIG. 2 is a timing chart showing time division processing of graphic information by the microcomputer of the embodiment.

FIG. 3 shows an algorithm of the microcomputer program of the embodiment, in which the graphic data input to the RGB signal generation unit is changed from the data stored in the first storage element after the switching operation by the operation unit from the CD-G disk reproduction. FIG. 9 is a diagram illustrating a process until switching to data stored in a second storage element.

FIG. 4 is a diagram showing an example of the algorithm of the microcomputer program according to the embodiment, in which the graphic data input to the RGB signal generation unit by the switching operation of the operation unit is stored in the first storage element from the data stored in the second storage element; FIG. 7 is a diagram for explaining the process up to switching of data to the monitored data and monitoring of a reproduced image of a CD-G disc.

FIG. 5 is a circuit block diagram illustrating graphic information processing related to reproduction of a conventional CD-G disc.

[Explanation of symbols]

 (1) CD player (2) Reproduced graphic information (3) Error detection / correction section (4) Still picture graphic information (10) RGB signal (11) Video signal synthesis section (20) Instruction processing section (21) Main V- RAM (22) Primary CLUT (23) Secondary V-RAM (24) Secondary CLUT (25) Microcomputer (control means) (26) Built-in ROM (27) Memory graphic information (28) Judgment information (29) Time information (30 ) Control signal (31) RGB signal generator

──────────────────────────────────────────────────の Continuing on the front page (51) Int.Cl. ⁷ identification code FI H04N 5/93 H04N 9/85 B 9/85 5/93 Z (58) Investigated field (Int.Cl. ⁷ , DB name) G09G 5/00 G09G 5/06 G11B 20/00 H04N 5/85 H04N 5/93 H04N 9/85

Claims (6)

(57) [Claims] 1. An instruction processing unit for decoding an instruction and outputting graphic data based on the instruction among graphic information consisting of an instruction and graphic data, and being instructed by the instruction processing unit and reproduced from a disk. A first storage element that stores graphic data of still image graphic information, a storage unit that stores stored image graphic information different from the still image graphic information, and an instruction process by the instruction processing unit that stores the stored image graphic information. Control means for performing read control based on information; and storing graphic data of stored graphic information instructed by the instruction processing unit and read from the storage unit. 2, an operation unit provided to selectively display the still image graphic information or the stored image graphic information on a television monitor, and graphic data stored in the first and second storage elements. And a video signal processing unit that converts the graphic data into a video signal in accordance with a switching operation of the operation unit. The control unit determines the instruction processing determination information and time output from the instruction processing unit. Reading the stored image graphic information by time-dividing the read cycle of the still image graphic information based on the information,
A disk for outputting a control signal for selectively inputting graphic data stored in the first and second storage elements to the video signal processing unit in response to a switching operation by the operation unit. Playback device. 2. The graphic data of still picture graphic information is always stored in the first storage element during reproduction of the disk, and the storage is performed in the second storage element based on time division by the instruction processing unit. The graphic data of the stored graphic information read from the storage unit is stored, and the input to the video signal processing unit is switched from the graphic data of the stored graphic information to the graphic data of the still graphic information by a control signal from the control unit. 2. The disc reproducing apparatus according to claim 1, wherein when the still picture graphic information is displayed, the still picture graphic information is displayed as an image. 3. The video signal processing unit according to claim 1, wherein the graphic data stored in the first storage element or the second storage element is selectively input by a control signal from the control means, and Based on R
2. The disk according to claim 1, further comprising: an RGB signal generator for generating a GB signal; and a video signal synthesizer for receiving the RGB signal and synthesizing a composite video signal. Playback device. 4. The main memory device according to claim 1, wherein said first storage element is a main V-RAM for storing data related to background color information and image information of a picture to be drawn on a monitor screen, out of graphic data of a still picture, A main CLUT for storing data related to image color information of a picture to be drawn, wherein the second storage element is mainly related to background color information and image information of the picture to be drawn on a monitor screen, out of graphic data of the stored image. Secondary VR for storing data
2. The disk reproducing apparatus according to claim 1, comprising an AM and a sub-CLUT mainly storing data relating to image color information of a picture to be drawn on a monitor screen. 5. The graphic data of the stored image stored in the sub-V-RAM and sub-CLUT is transferred from the main V-RAM by a control signal from the control means to the sub-V-RA.
Before switching to M, all data is rewritten to data relating to the background color of a predetermined picture, and after switching to the sub-V-RAM by a control signal from the control means, the data is rewritten to data relating to a picture image. 5. The disk reproducing apparatus according to claim 4, wherein: 6. The graphic data of the stored image stored in the sub-V-RAM and the sub-CLUT is transferred from the main V-RAM to a sub-V-R by a control signal from the control means.
Before switching to AM, all data is rewritten to the same data as the data related to the background color of the picture stored in the sub-V-RAM, and the sub-V-RA is controlled by the control signal from the control means.
4. The apparatus according to claim 3, wherein after switching to M, the data is rewritten to data relating to a picture image.
Disc playback device according to the item.