KR0184392B1 - Total song titles showing method of cdg player - Google Patents

Abstract

The present invention relates to a CD (Compact Disk Graphic: abbreviated as "CDG") player, in particular when the user inserts and plays a compact disk graphics board in the CDG player, in particular a compact disk graphics board containing karaoke data is inserted When playing the video, the user can display various information such as the song number, song name, and playback time recorded on the TOC (Top Of Contents) track on the screen, so that the user can check the list of the song numbers and song names, or use the CDG player Its purpose is to provide a method for displaying the full song name of the CDG, which allows the user to view the entire song number and song name displayed on the screen and select it directly using a remote controller, without having to take it out.

The purpose of this is to select a whole song name display function for searching whether the whole song name display function is selected when the CDG player is driven and a compact disc graphic board is inserted; A TOC data searching process of searching for information on the song number, song name, and playback time of all the song names recorded in the TOC track of the compact disc graphic panel when the user selects the full song name display function; A TOC data storing step of storing information on a song number, a song name, and a playing time of all the song names found in the TOC track in a memory; A process of displaying TOC data on a screen by graphically processing information of song number, song name, and playback time of all the song names stored in the memory; A song selection process of jumping to an initial position of a track corresponding to the selected song name when the user checks the entire song number and the song name displayed on the screen and selects a specific song; This is accomplished by performing a performance process of playing the recorded data from the beginning of the track.

Description

How to display all player names of CD players

The present invention relates to a CD (Compact Desk Graphic: abbreviated as 'CDG') player, in particular when the user inserts and plays a compact disc graphics board in the CDG player, in particular a compact disk graphics board containing karaoke data is inserted When playing the video, the user can display various information such as the song number, song name, and playback time recorded on the TOC (Top Of Contents) track on the screen, so that the user can check the list of the song numbers and song names, or insert a compact disc graphic board. The present invention relates to a method of displaying the full song name of the CDG, which allows the user to view the entire song number and song name displayed on the screen and select it directly using a remote controller.

In general, commercially available CDG players (Compact Disk Graphic Player) have video and audio signals, so you can easily enjoy karaoke or video music at home.

Here, the audio signal is the same as that of the original CD player, and the video signal is loaded with digital data of each lyrics or video corresponding to the song in the subcode area on the compact disc graphic panel.

By recording and reproducing audio and video data based on digital data in this way, the sound quality and resolution are much higher than those of general VCRs.

In addition, the song name on the compact disc graphic panel carries the song name of the song corresponding to the subcode area which is the first data portion of each track corresponding to one song.

Therefore, these compact disc graphics boards had no way of knowing the full name of the song until they were taken out of the CDG player or viewed in the list of song titles, and the only way to know the song name was by pressing the skip key.

Also, since the song number and input key of the currently playing song do not appear on the monitor or CRT, you have to check it on the display of the CDG player, and you have to alternate between the CDG player while watching the monitor to know the key input status and song number. There was a problem.

Therefore, the present invention is to improve the above problems of the prior art, when the user inserts and plays a compact disc graphics board in the CDG player, in particular when inserting and playing a compact disk graphics board containing karaoke data, the song number recorded on the TOC track Displays various information such as song name, play time, etc. on the screen so that the user can check the list of individual song numbers and song names, or remove the compact disc graphic panel from the CDG player and check the entire song number and song name displayed on the screen. The purpose of the present invention is to provide a method for displaying the entire song name of the CDG, which can be directly selected using the report remote control.

A method for achieving the above object of the present invention includes a process of selecting a full song name display function for searching whether a full song name display function is selected when a CDG player is driven and a compact disc graphic panel is inserted; A TOC data searching process of searching for information on the song number, song name, and playback time of all the song names recorded in the TOC track of the compact disc graphic panel when the user selects the full song name display function; A TOC data storing step of storing information on a song number, a song name, and a playing time of all the song names found in the TOC track in a memory; A process of displaying TOC data on a screen by graphically processing information of song number, song name, and playback time of all the song names stored in the memory; A song selection process of jumping to an initial position of a track corresponding to the selected song name when the user checks the entire song number and the song name displayed on the screen and selects a specific song; And a performance of playing the recorded data from the beginning of the corresponding track.

1 is a schematic block diagram of a CDG player for implementing the present invention.

2 is a flowchart of a process of displaying a whole song name of a CDG player according to the present invention.

* Explanation of symbols for the main parts of the drawings

110: playback means 111: mechanism part

112: high frequency amplifier 113: digital signal processing unit

114,144: first and second memory 115: servo signal processing unit

120: audio output means 130: microprocessor

140: video signal output means 141: graphics decoder

142: encoder section 143: character synthesis section

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic block diagram of a CDG full music name display device for implementing the present invention. As shown in FIG. 1, the user controls power of the CDG, plays back the inserted compact disc graphics board, and displays the full music name display. A key input unit 131 for operating; A microprocessor (130) for controlling each part of the CDG system by detecting a user's selection manipulation function input through the key input unit (131); Reproducing means (110) for detecting whether a compact disc graphic panel is inserted under the control of the microprocessor (130), and detecting information recorded in the inserted compact disc graphic panel when the playback mode is selected, and processing the digital signal and outputting the digital signal; Audio signal output means (120) for detecting only audio information from the digital information output from the playback means (110), converting the audio information into an original audio signal, and then amplifying the audio signal at a predetermined level; The video signal output means 140 detects only the video signal from the digital data output from the reproduction means 110 and restores the original signal, and then synthesizes and outputs the corresponding video signal.

Here, the reproducing means 110 is connected to the output of the high frequency amplifying unit 112 which amplifies the high frequency signal detected by the data read from the compact disc graphic panel of the monitor and mechanism unit 111 under the control of the microprocessor 130. A digital signal processor 113 connected to a first memory (SRAM) 114 that is connected and simultaneously records and stores each character data; According to the data output from the digital signal processor 113 and the high frequency amplifier 112 under the control of the microprocessor 130, the output is sent to the servo signal processor 115 that controls the driving of the motor and the mechanism unit 111. It is composed.

In addition, the audio signal output unit 120 includes a digital filter unit 121 for detecting audio data output from the digital signal processing unit 113 of the reproduction unit 110; A digital / analog converter 122 for converting the digital audio data output from the digital filter 121 into an analog signal which is an original audio signal; And an amplifier 123 for amplifying and outputting the audio signal output from the digital / analog converter 122 to a predetermined level.

In addition, the video signal output unit 140 includes a graphic decoder unit 141 which detects only a video signal from data output from the digital signal processing unit 113 of the playback unit 110 and decodes the original signal; An encoder unit 142 for encoding and outputting color signals R, G, and B outputted from the graphic decoder unit 141; A character synthesizing unit 143 which synthesizes and outputs character data such as song lyrics to the video signal output from the encoder unit 142; Second memory (DRAM) 144 that detects, records, and stores, if necessary, the character data from the graphic decoder unit 141 under the control of the microprocessor 130, and outputs the character data from the graphic decoder unit 141 to the graphic decoder unit 141. It is composed of

Hereinafter, a preferred embodiment of the present invention configured as described above will be described in detail with reference to FIGS. 1 and 2.

First, when the user applies the power-on key through the key input unit 131, the microprocessor 130 controls to apply power to each part of the system accordingly, and then the current power is applied to the display unit (not shown). A notification is made.

When the user inserts the compact disc graphic board into the deck of the mechanism unit 111, the microprocessor 130 detects this to determine the current key mode.

If the user operates the key input unit 131 and selects the whole song name display function recorded in the compact disc graphic panel, the microprocessor 130 detects this, and the innermost side of the compact disc graphic panel inserted into the deck of the playback unit 110 is detected. The mechanism unit 111 is driven to read and read data of the TOC region located at.

That is, the servo signal processor 115 is driven under the control of the microprocessor 130, and the mechanism 111 and each motor are driven under the control of the servo signal processor 115.

Here, the information recorded in the TOC track records the entire information of the compact disc graphics board, that is, the total song number, the total song name, the running time of each song, and the total traveling time of the compact disc graphics board.

The data of the read TOC region is output to the high frequency amplifier 112, amplified to a predetermined level, and then provided to the digital signal processor 113, and the digital signal processor 113 processes the provided signal as a digital signal. Under the control of the microprocessor 130 is stored in the first memory (114).

The TOC data stored in the first memory 114 is applied to the graphic decoder 141 of the video signal output unit 140 through the digital signal processor 113, and the graphic decoder 141 is a digital signal. The TOC data output from the processor 113 is mapped to character data stored in the second memory 144 and decoded.

The decoded TOC data is provided to the encoder unit 142 to be encoded into R, G, and B signals, so that the decoded TOC data is converted into an appropriate form to be displayed on the screen and outputted. , The total song name, the running time of each song, and the total running time of the compact disc graphics board are displayed graphically.

When the user checks the total song number, the total song name, the running time of each song, and the total running time of the compact disc graphic panel displayed in the graphic form on the screen, and selects a specific song through the key input unit 131, the microprocessor The control unit 130 controls the servo signal processing unit 115 to jump to the first position of the corresponding track of the song selected by the user. Accordingly, the mechanism unit 111 reads the data of the corresponding track of the compact disc graphic panel to generate high frequency. The amplifier 112 is provided.

The data amplified to a predetermined level by the high frequency amplification unit 112 is converted into a digital signal by the digital signal processing unit 113 and separated into an audio signal and a video signal. The audio signal processing unit 120 and the video signal processing unit are respectively. Is provided at 140.

The separated audio signal is restored to the original analog signal through the digital filter unit 121 and the digital / analog converter 122 of the audio signal processing unit 120, and the restored signal is returned to the amplifier 123. It is applied and amplified to a level of a size suitable for display and then output through a speaker.

In addition, the separated video signal is applied to the graphic decoder 141 to be decoded into data of a graphic screen, encoded by the encoder unit 142 into R, G, and B signals, and then lyrics by the character synthesis unit 143. Character data such as and the like are combined with the graphic screen and output.

Therefore, the audio signal processed by the audio signal processing means 120 is played and output through the speaker, and text data such as graphic screen and lyrics selected by the user is displayed on the screen.

Thereafter, when the playing of the song selected by the user is finished, the data of the TOC area stored in the first memory 114 is graphically displayed on the screen by the above-described process so that the user can select the song to play again.

As described above, in the present invention, when a user inserts and plays a compact disk graphic board in a CDG player, especially when a compact disk graphic board containing karaoke data is inserted and played, the song number, song name, playback time, etc. recorded in the TOC track Various information on the screen is displayed so that the user does not have to check the list of songs and song names separately or take out the compact disc graphic panel from the CDG player and check the entire song numbers and song names displayed on the screen and select them directly using the remote control. By doing so, the user can check the entire song displayed on the screen and play the selected song.

Claims (1)

Selecting a full track name display function for searching whether the full track name display function is selected when the CDG player is driven and a compact disc graphic board is inserted; A TOC data searching process of searching for information on the song number, song name, and playback time of all the song names recorded in the TOC track of the compact disc graphic panel when the user selects the full song name display function; A TOC data storing step of storing information on a song number, a song name, and a playing time of all the song names found in the TOC track in a memory; A process of displaying TOC data on a screen by graphically processing information of song number, song name, and playback time of all the song names stored in the memory; A song selection process of jumping to an initial position of a track corresponding to the selected song name when the user checks the entire song number and the song name displayed on the screen and selects a specific song; And playing the recorded data from the beginning of the corresponding track.