KR0122992Y1 - Television united dialog compact cd-player - Google Patents

Abstract

This invention relates to a television with an interactive compact disc player, which can reproduce audio and video signals recorded on a CD-I with a single television, and control signals for unifying the control of the TV and the CD-I player. Input control signal input unit, the main processing unit for controlling the whole system, the clock generation unit for supplying the clock signal, the compact disk interface control unit for performing the interface between the main processing unit and the microcomputer, the compact disk drive and the existing A microcomputer that controls the television system of the television, a video controller and a decoder that allows the main processing unit to receive data stored in the system memory, a system memory that stores the data file and provides the main processing unit, and a conventional television. System was provided. Therefore, since the TV has a built-in CD-I player, you do not need to purchase a separate monitor to play the CD-I, and do not connect the audio / video input / output terminals of the television to the audio / video output terminals of the CD-I player. Since it is possible to connect a separate device to the audio / video input / output terminal of the television, it is not necessary to combine and disconnect the audio / video input / output terminals of the television every time, and the user does not operate the TV and the CD-I player separately. In addition, since the TV and the CD-I can be operated at the same time by using a program embedded in the CD-I, it is very convenient and the cost is reduced. This design is available for all interactive compact disc players.

Description

Interactive Compact Disc Player Built-in TV

1 is a schematic block diagram showing one embodiment of an interactive compact disc player built-in television according to the present invention;

2 is a schematic block diagram showing another embodiment of an interactive compact disc player built-in television according to the present invention.

* Explanation of symbols for main parts of the drawings

11: control signal input unit 12: MPU

13: Rom 14: Clock generator

15: CD interface control unit 16: CD interface control unit buffer

17: system memory 18: microcomputer

19: CD drive 20: RAM

21: Video control unit and decoder 22: Compressed audio / video signal control unit and decoder

23: first D / A converter 24: three-layer D / A converter

25: second D / A converter 26: buffer

27: TV system 28: microcomputer for CD-I player control

29: microcomputer for TV control

The invention relates to a built-in television with an interactive compact disc player (hereinafter abbreviated CD-I player), and more particularly, to a CD-I recorded as a single television by incorporating a CD-I player in the television. The present invention relates to a television with a built-in CD-I player capable of reproducing audio and video signals and unifying control of a television and a CD-I player.

Generally, CD-I players can be classified into three types. First, it plays base case CD-I (digital CD, CDG, photo CD) that handles high quality audio, still picture, animation, animation, etc. CD-I base case player that can play back, and secondly, CD-I / DV (Digital Video) and video CD that realizes full motion video, so you can play video clips, video karaoke, etc. There is a CD-I / DV player that can watch for up to about 74 minutes through the screen.

However, the conventional CD-I player has always used an audio / video output terminal of the player connected to an external TV or a separate monitor. That is, when playing a CD-I disc, an audio / video device, especially a television, must be connected to the outside. Therefore, the user has to separately provide a TV and a CD-I player, there is a problem that a lot of expenses are consumed.

Also, in this case, the audio / video output terminal of the CD-I player and the audio / video input terminal of the TV must be connected, respectively. Therefore, every time a user wants to connect a separate audio or video device to the television, the user must use the CD-I There was an inconvenience to separate the connection terminal between the player and the TV.

In addition, when using a combination of a CD-I player and a television, the user is inconvenient to separately organize the CD-I player and the television.

The object of the present invention is to solve the above problems, and the object of the present invention is to embed a CD-I player in a television and a program for controlling operations of the TV and the CD-I player in a CD-I player. In addition, this program provides a built-in television with a CD-I player that allows simultaneous operation of a television and a CD-I player.

A feature of a television with a built-in CD-I player according to the present invention for achieving the above object is a control signal input unit for receiving a control signal applied from the outside; A main processing device which receives the external control signal processed by the control signal input unit and controls the entire system; A clock generator which provides a clock signal necessary for the entire system according to a control signal of the main processing apparatus; A compact disc interface control unit that stores data applied from a compact disc in a buffer, decodes a sector of the interactive compact disc and transfers it to system memory under control of the main processing unit, and performs an interface between the main processing unit and the microcomputer. Wow; A microcomputer comprising an interactive compact disc player control microcomputer and a television control microcomputer, the microcomputer controlling a compact disc drive and an existing television system by control of a compact disc interface control unit; A video controller and decoder that decodes the video specified in the base case of the interactive compact disc player and outputs it as a digital signal with color data to an existing television system, and enables the main processing unit to receive data stored in the system memory. Wow; A system memory for storing an executable program, audio / video data, or storing a data file so as to refer to necessary data and providing the same to a main processing apparatus under control of a video controller and a decoder; In a color television system, a television system including an image / audio reception circuit, a registration deflection circuit, a color signal reproduction circuit, an audio / video output circuit, a color picture tube, and a speaker except for a system control microcomputer is provided.

In this invention the microcomputer comprises: an interactive compact disc player control microcomputer for controlling the operation of the compact disc player; It is preferred that the microcontroller for controlling the operation of the television be separated and configured so that the two microcomputers can mutually interface.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of a television with a CD-I player according to the present invention will be described in detail.

FIG. 1 is a schematic block diagram showing an embodiment of a television with a CD-I player according to the present invention. The control signal input unit 11 is composed of a serial input circuit, and is configured as an external control signal source (mouse, etc.). ) Receives an external control signal for controlling the CD-I player and outputs it to the main processing unit (hereinafter referred to as MPU: 12).

The MPU 12 has a program for executing a program for operating a CD-I player (CD-RTOS: Compact Disc Real Time Operating System, etc.), and according to the control signal applied from the control signal input unit 11, Control the operation.

The ROM 13 stores software of a CD-I system such as a program for operating a CD-I player (such as a CD-RTOS). That is, the ROM 13 is a memory in which a CD-RTOS, a system booting program, a program for initial operation of the system, a drive control program of a component, and the like are stored and operated under the control of the MPU 12.

The clock generator 14 generates a real time clock and provides a clock required by the system under the control of the MPU 12.

The CD interface control unit 15 stores the flow of CD-I data applied from the CD under the control of the MPU 12 in a CD interface control buffer (hereinafter, abbreviated as CDIC buffer: 16). The sector is decoded and transmitted to the system memory 17 under the control of the NPU 12.

The CDIC buffer 16 is a memory required by the CD interface controller 15. The CDIC buffer 16 stores, decodes, and transmits the flow of CD data continuously applied from the CD drive in real time under the control of the MPU 12. Do it at the same time. In other words, the CDIC buffer 16 is a memory that simultaneously performs buffering for storing the flow of CD data, storage of data being decoded, and storage of data being transmitted.

The microcomputer 18 simultaneously controls the CD drive 19 and the existing television under the control of the CD interface control unit 15. The microcomputer 18 is equipped with a CD control microcomputer and a television control microcomputer at the same time, wherein the CD control microcomputer controls the CD drive 19 to read data on a disc, and the MPU 12 and Exchange command / status. That is, when the program requests to read a CD data sector at a specific position on the CD, the CD drive 19 receives this command and delivers it to the CD control microcomputer configured in the microcomputer 18. The CD control microcomputer locates this location on the CD and reads the data. In other words, the CD control microcomputer controls the CD drive 19 to read data from the CD drive 19. In addition, the television control microcomputer performs all the functions that the system control unit performs in the conventional television. That is, the control command is received by the maintenance and the operation corresponding to the control command (channel tuning, dual screen function, broadcasting method selection, volume adjustment, image quality adjustment) is performed. Therefore, the microcomputer 18 transmits a control signal applied from the front key mounted on the television, a remote control, or the like to the MPU 12, and executes a corresponding command in accordance with the control signal applied from the MPU 12. Has the function.

The CD drive 19 has the same function as a conventional CD player. In other words, the automatic control circuit for pickup, focusing control, tracking control and feeding control mounted on the deck and the deck so that data can be read from the CD, the spindle motor driving circuit, and the tray and tray driving circuit to mount the CD. It is configured and operated under the control of the microcomputer for CD control.

The RAM 20 temporarily stores data files such as CD-I system files, user files, and the like so that the program or user data of the MPU 12 can be stored or the necessary data can be referred to by the control of the MPU 12. do.

The system memory 17 is where application programs, audio / video data, etc. read from the CD are stored. It also provides the memory required when various programs are executed. This memory is managed by the CD-RTOS through the video control unit and the decoder 21.

The video control unit and decoder 21 decodes the video signals defined in the CD-I base case, outputs them as digital signals (red (R), green (G), and blue (B)), and executes various video effects. . In addition, the video controller and decoder 21 control the MPU 12 to accommodate the system memory 17, and incorporate a dynamic RAM (active RAM).

The compressed audio / video signal controller and decoder 22 decodes the MPEG1 audio / video signal based on the data compression rule (MPEG1) and provides an interface function with the MPU 12. The compressed audio signal is decoded into a 16-bit signal and output to a first digital-to-analog converter (hereinafter, abbreviated as D / A converter: 23). The compressed video signal is decoded into a digital signal (R, G, B). It is output to the layer D / A converter 24.

The first D / A converter 23 converts the 16-bit digital audio signal applied from the compressed audio / video signal controller and decoder 22 into analog audio signals L and R.

The second D / A converter 25 converts the 16-bit digital audio signal applied from the CD interface control unit 15 into analog audio signals L and R.

The three-layer D / A converter 24 is a digital R, G, B signal applied from the video control unit and decoder 21 and a digital R, G, B applied from the compressed audio / video signal control unit and decoder 22. Convert the signal to analog R, G, B signals.

The buffer 26 is a memory used by the compressed audio / video signal controller and the decoder 22 to decode the data.

The television system 27 is a video and audio reception circuit (tuner, video / audio intermediate frequency) that produces a video / audio signal from all parts except the microcomputer 18 in the existing color television system, that is, video / audio carrier. Amplification circuit, video / audio detection circuit and amplification circuit), synchronous deflection circuit, color signal reproduction circuit, audio / video signal output circuit, color CRT and speaker. On the other hand, the microcomputer 18 performs all the control required at system startup.

The operation of the configuration as described above is as follows.

When the main power of the CD-I embedded television is turned on, the MPU 12 of the CD-I player boots and checks the entire system. That is, the current channel of the television, the size of the volume, the state of the screen set by the user, etc. are initialized.

When the initialization of the system is completed, the system control screen, that is, the player shell, is displayed on the television screen, and the user selectable functions (Menu) and the cursor (↑) are displayed. For example, if the user selects whether to watch television or play CD-I in the future, a menu of the corresponding field is displayed on the screen.

If the user selects to play the CD-I as follows.

First, it is determined whether a CD is mounted in the CD drive 19, and after determining which CD is mounted, a menu for the corresponding CD is displayed on the screen. For example, in the case of the CD-I, the CD-I can be played back when playback, stop, open / close, and the like are selected by the user. In the case of digital CD or CDG, it supports all functions supported by existing CD players, such as play, stop, open / close, selection, and program selection. Of course, at each step, the menu can be returned at any time to the menu in front of the current position, and the menu is displayed so that the user can switch to the television mode at any time even when they want to watch television.

Next, a case where the user selects watching television is as follows.

First, the television displays a main menu for controlling the television on the screen. In addition, the current status is displayed on the main menu, and the user can select and adjust a desired channel or volume to watch television. The user can return to the main menu at any time while watching television. That is, a menu may be displayed at the top or bottom of the screen by operating one function key. On the other hand, since the on-screen display (OSD) function used in the conventional television can be implemented using the video function of the CD-I player, the on-screen display function may be deleted.

All of these functions can be selected and controlled using the mouse, the remote control, or the front keys. In addition, all functions finally selected until the main power is turned off by the user are stored in the form of data in the RAM 20 and used as initialization data of the system when the main power is turned off and then turned on again. The data in this RAM 20 is preserved by battery backup.

In addition, the initial state can be set to a state designated by the user. That is, when the user turns on the initial main power, it can be initialized to the television mode and can be initialized to the CD-I playback mode.

On the other hand, as shown in FIG. 2, the microcomputer 18 for controlling the functions that the microcomputer 18 should perform is composed of the microcomputer 28 for controlling the CD-I player and the existing television. The television control microcomputer 29 may be separately configured, and the two microcomputers 28 and 29 may be configured to communicate with each other.

At this time, since the two microcomputers 28 and 29 shown in FIG. 2 separate and perform the functions performed by the microcomputer 18 shown in FIG. 1, the microcomputer for controlling the CD-I player ( 28 controls the operation of the CD-I, the television control microcomputer 29 controls the operation of the television, and the two microcomputers 28 and 29 are mutually interfaced to exchange necessary information and functions.

As described above, according to the TV with a built-in CD-I player according to the present invention, since the CD-I player is built in the TV, there is no need to purchase a separate monitor to play the CD-I.

In addition, the built-in TV CD-I player eliminates the need to connect the audio / video input / output terminals of the television to the audio / video output terminals of the CD-I player. As a result, the audio / video input / output terminals of the television do not need to be combined and separated each time.

In addition, since the TV has a built-in CD-I player, the user can operate the TV and the CD-I simultaneously by using a program embedded in the CD-I without separately operating the TV and the CD-I player. There is a convenient advantage.

Claims (1)

A control signal input unit for receiving a control signal applied from the outside; A main processing device which receives the external control signal processed by the control signal input unit and controls the entire system; A clock generator which provides a clock signal necessary for the entire system according to a control signal of the main processing apparatus; A compact disk interface controller which stores data applied from the compact disk in a buffer, decodes the sectors of the interactive compact disk, and transmits them to the system memory under the control of the main processing apparatus, and performs an interface between the main processing apparatus and the microcomputer; ; A microcomputer comprising an interactive compact disc player control microcomputer capable of mutual interface and a microcomputer for television control, the microcomputer controlling a compact disc drive and an existing television system by control of a compact disc interface control unit; A video controller and decoder that decodes the video specified in the base case of the interactive compact disc player and outputs it as a digital signal with color data to an existing television system, and enables the main processing unit to receive data stored in the system memory. Wow; A system memory for storing an executable program, audio / video data, or storing the data file so as to refer to the necessary data and providing the data to the main processing apparatus under the control of the video controller and decoder; Interactive compact disc player built-in television with television system including video / audio receiver circuit, synchronous deflection circuit, color signal reproduction circuit, audio / video output circuit, color CRT and speaker except color microcomputer for system control in color television system .