JPH0636533A - Information reproducing method on disk player - Google Patents

Abstract

PURPOSE:To precedently display a screen showing the name of program information such as the names of music titles during reproducing the previous program information when plural pieces of program information such as music of a 'Karaoke' (recorded orchestral accompaniment device), etc., are continuously reproduced in practical use of the existing disk. CONSTITUTION:One disk out of plural recording disks 2 and 4 is selected, and one of plural pieces of program information contained in the selected disk is selectively reproduced. Then, at a prescribed time point during reproduction of one piece of program information, the name of the information title of other program information to be reproduced next time after the above one piece of program information is displayed on display means 20 and 27.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information reproducing method for a disc player, and more particularly, a CD-G (CD
Graphics), and improvement of the display of the title name of the karaoke piece in a karaoke apparatus using a disc changer accommodating a CD-I (Interactive).

[0002]

2. Description of the Related Art Generally, BGV (Back Ground Vide)
o: LD (Laser Dis) that plays a movie as a background image
In addition to the karaoke device using c), a karaoke device using a CD-G is known.

Not only the LD karaoke device, but also C
The D-G karaoke device is equipped with a CD changer for storing a large number of CD-Gs. For a CD changer, for example,
About 300 CD-Gs are stored, which is equivalent to about 3,000 songs when converted into the number of songs. In the CD-G, lyrics information is recorded as graphics data together with audio information of the karaoke piece. At the time of reproduction, this graphics data is demodulated together with the audio information and displayed as characters on the TV monitor screen. CD
The -G karaoke device is generally used in conjunction with a separately provided LD player, and at the time of reproduction, superimposes graphics data on moving image BGV data supplied from the LD player to display an image. .

[0004]

The conventional CD-G karaoke apparatus does not have the function of displaying the title of a song prior to playing the song. Generally, the name of the music to be reproduced is displayed on the TV monitor screen as graphics data along with the performance of the introduction part (so-called intro part) for each music.

As a result, conventionally, when a large number of desired karaoke songs are reserved and input, the respective songs are continuously reproduced in the input order. Which song is reproduced next? , It means that you can't confirm the song title unless you actually start playback. This causes inconvenience, such as having to prepare to sing after the prelude portion of the song specified by the user has started. Furthermore, if the operator of the karaoke device makes a mistake in inputting the song name, etc., he / she may notice it after the actual performance of the song begins. There was a problem of selecting the same song.

Therefore, it is conceivable to adopt a CD-I (Interaetive) as a disc capable of recording the song title data in addition to the program information of the karaoke song in the disc. CD-I is ADPCM (Adaptive Delta Pulse)
It is known as a medium capable of recording various program data in addition to audio data compressed by Code Modulation).

However, the currently popular CD-G
All existing CD-Gs installed in karaoke equipment are CD-
Replacing with I is not economically feasible, and not only the user of the karaoke apparatus but also the source of the karaoke disc is heavy.

Therefore, according to the present invention, the program information name such as the title name of the song is changed from the previous program information when the program information such as karaoke songs is continuously reproduced while effectively utilizing the existing disc. An object of the present invention is to provide an information reproducing method in a disc player capable of displaying a screen in advance during reproduction.

[0009]

DISCLOSURE OF THE INVENTION The present invention is a disc capable of selecting any one of a plurality of recording discs and selectively reproducing any program information contained in the selected disc. A method for reproducing information in a player, wherein the information title name of another program information to be reproduced next to the one program information is displayed on a display means at a predetermined time during the reproduction of the one program information. To be done.

That is, according to one aspect of the present invention,
When a plurality of karaoke songs are continuously played, the title name of the karaoke song to be played next is displayed on the TV monitor screen during the playback of the preceding karaoke song, for example, a predetermined time before the end. It was done.

[0011]

According to the present invention, at a predetermined time during the reproduction of one program information, for example, immediately before the end of the reproduction of the program information, the information title name of another program information to be reproduced next is It is displayed on the display means. With this, it is possible to know in advance what the program information to be reproduced next is. For example, when the present invention is applied to a karaoke device, while the preceding karaoke music is being reproduced, one's karaoke music is You can know in advance that it will be played back.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, preferred embodiments of the present invention will be described with reference to the drawings. In the present embodiment, in a karaoke apparatus using a plurality of discs including CD-I, when the title name of the karaoke piece to be reproduced is displayed on the monitor screen, "information in the disc" is used, and The title name is displayed in advance just before the end of the reproduction of the karaoke piece to be reproduced. In this case, the "information in the disc" used for generating the reference clock of the clock means for counting the image display timing of the title name differs depending on the model of the disc, and accordingly the configuration of the karaoke device slightly differs. The karaoke device will be described according to the combination mode of the disks. Disc combinations are roughly classified into the following three modes.

When the discs in the CD changer 1 are composed of a majority of CD-Gs and a small number of CD-Is. When the discs in the CD changer 1 are all composed of CD-Is. CD-G and CD-I
[1] First Embodiment FIG. 1 shows a first embodiment of the present invention. This embodiment is an example of a karaoke device in the case where the disc configuration is the above-mentioned aspect.

In FIG. 1, a CD changer 1 accommodates a plurality of discs, and each disc is selectively loaded into a CD player 3 by a drive system 24 in response to an exchange command. There is.

In the CD changer 1, for example, an existing C
299 D-G2, newly added / replaced CD-I
A total of 300 discs are stored, one of which is four. Here, FIG. 3 shows a format example of each disk. Figure 3
(A) is the format of a so-called compact disc for audio CD-DA or CD-G, (b) is the format of CD-I, (c) is the CD- format.
An example of a mixed format of DA and CD-I is shown.

The CD-G 2 has a format in which, in addition to the audio data recorded in the program information area, lyrics data composed of graphics data is recorded in the subcode areas (R to W) of each frame. (Not shown).

The CD-I4 format is CD-RO.
It is defined based on M, and its details are defined according to the mode 2 (commonly called Yellow Book) of the CD-ROM. Unlike the CD-ROM, the CD-I4 has no limitation on the type of data recorded in the data area and can record character data and the like in addition to audio data. A variant of CD-I is CD-I Ready. As shown in FIG. 3B, this CD-I Ready has a CD-I area and a FI between the TOC area and TNO (track number) 1 via a gap area.
It has an LE TOC (file tock) area. C
VD (Volume Descriptor) information is present in the DI area, and this is a descriptive word that appropriately expresses / describes the content of the information stored on the disc. In the FILE TOC area provided as an application, information about all the CD-G2 stored in the CD changer 1 and each C
The "title" of the karaoke piece recorded in the program area in D-G2 and the address (position on the disc and track number) of the karaoke piece are recorded.

Further, the format of the CD-I4 is defined by two formats of forms 1 and 2, and in each format, a subheader (8 bytes) is arranged next to the header part. The subheader contains
As shown in FIG. 4, the file number (File No.) S ₀ ,
The channel number (Channel No.) S ₁ , the sub mode (Sub mode) S _2, and the coding information (Coding information) S ₃ are recorded, and the data of these S _{0 to} S ₃ are recorded by repeating twice. There is. Repeating twice is for the purpose of countermeasures against read errors.

Of these, as shown in FIG. 4, the submode S ₂ is a flag bit (all of which is the attribute of the block, that is, discrimination between audio data and video data, form 1 or 2). 8 bits). The sub mode S ₂ has a trigger bit (Trigger bit).
), A 1-bit code is recorded, and this trigger bit can be set once every 1/75 seconds. Therefore, set this trigger bit to 1
It can be used as a reference clock with a cycle of / 75 seconds, and this reference clock is used by the CPU in the system controller 22.
The clock means can be formed by counting with the software counter set to. This point will be described later in the order of the image display control operation of "title name".

On the other hand, as shown in FIG. 3 (c), CD-I
For example, TNO1 may be a CD-I track and TNO2 and the following may be a CD-DA track.

The above CD-DA (CD-G) and CD-I
Both Readys have a TOC (Table of Contents) area, and a flag bit indicating the type of the disc (discrimination between CD-DA (CD-G) and CD-I) is set at a predetermined position in the TOC area. The type of the disc can be identified by this bit, and the reproduction mode of the karaoke device differs according to the read result. Also, TO
The address data in the movement is included in C as the address of the karaoke song, and these time information is also included in the CD-
Like the I trigger bit, it can be used for the clock means, and this point will be described later in the section of the image display control operation of the “title name”.

Referring again to FIG. 1, the CD player 3 is a CD-G2 or CD selected from the CD changer 1.
-Reproduce the recorded information of I4. That is, for example, the loaded CD-I 4 is subjected to optical reading by the pickup 6 under predetermined rotation by the spindle motor 5, and the RF signal converted into an electric signal by the pickup 6 is demodulated in the reproduction system 7. . The servo system 9 controls the rotation speed of the spindle motor 5, the focusing control of the pickup 6, the tracking control, and the like.
When the disc to be read is a CD-G2, the graphics decoder 8 is for decoding the graphics data because the recording information contains the graphics data. Output f. A CD-I data processing unit 10 is connected to the output terminal of the reproduction system 7.

When the disc to be read is a CD-I4, the CD-I data processing unit 10 outputs the unique data, that is, the title name data e, i of the karaoke piece stored in the FILE TOC area, for example. The CD-I data processing unit 10 outputs the target disc as a CD-G.
2. Extract the audio signal with either CD-I4,
The audio signal b is sent to the amplifier 11. CD-I in Figure 2
The detailed structural example of the data processing part 10 is shown.

The amplifier 11 outputs the audio signal c from the microphone 13.
And the audio signal b from the CD-I data processing unit 10 are combined, amplified to a predetermined power level, and the combined signal d is output to the speaker 12.

The LD player 14 is for compensating for the BGV lacking in the CD-G 2, and in the LD 15, for example, BGV information edited according to the genre of music or other classification is recorded and operated. One of the BGVs is demodulated by the reproducing system 18 by the person's designation or a method of automatic selection, and BGV data g is output.

The servo system 25, like the servo system 9, controls the spindle motor 16 and the pickup 17. The servo systems 9 and 25 are controlled by the system controller 22.

The title name data e from the CD-I data processing unit 10, the graphics data f from the graphics decoder 8 and the BGV data g from the reproducing system 18 are input to the superimposer 19. The superimposer 19 superimposes these character information on the BGV data g, generates a video signal h, and outputs it to the display 20. The display 20 displays the given video signal h on the screen. As the display form, BG
In this example, the graphics data f (lyrics) is synthesized on V, the title data e is overlaid on BGV, or the title data e is superimposed on the BGV with a single background color. .

The system controller 22 controls the system of the karaoke apparatus including the CD player 3 and the LD player 14. That is, the commander 21
, And supplies various control signals to necessary parts in accordance with the instructions. A memory 23 is connected to the system controller 22.

The memory 23 stores all the CD-Gs stored in the CD-I4 when the karaoke apparatus is installed.
This is for storing the title name data of the karaoke piece in No. 2. As the memory 23, for example, a DRAM
It is possible to use a semiconductor memory such as (Dynamic-RAM). Assuming that the titles of 3,000 titles are stored, the storage capacity of about 120 Kbytes is required. That is, 2,000 for each song is 3,000
With 0 songs, 2 bytes x 20 characters x 3,000 songs = 12
It will be 10,000 bytes. In addition to this, including the data amount required to indicate the program address of each disc (the position on the disc and the track number), a DRAM of 256 Kbytes can be realized as a whole. Although the title name data and the address are stored in the memory 23, it goes without saying that the storage source is the CD-I4.

The main operation of the present apparatus having the above configuration will be described. First, when the karaoke device is installed, the operation enters the install mode when the power is turned on. Although there are various items in the operation in the install mode, the operation directly related to the present invention will be described here.

When the install mode is entered, under the control of the system controller 22, the CD-I 4 is selected from the CD changer 1 and loaded into the CD player 3. CD player 3 is loaded from CD-I4 to FIL
Control to read ETOC. The RF signal of the title name data read by the pickup 6 is demodulated by the reproduction system 7 and decoded by the CD-I data processing unit 10 to be the system controller 2 as title name data.
Taken into 2. The system controller 22 writes the input file name data i in the memory 23. with this,
The installation operation for the title name data ends.

Next, during a normal karaoke reproducing operation, when the commander 21 gives a music selection command to the system controller 22, the system controller 22 gives necessary control signals to the respective parts in accordance with the command. That is, the replacement of the selected disc with respect to the drive system 24, the reproduction operation in the CD player 3 and the LD player 14 are controlled.

Now, it is assumed that a certain CD-G2 is being reproduced. At this time, the system controller 22 determines that the C
Based on the absolute time data (or elapsed time data) read from the TOC of the D-G2, the end time of the reproduction tune of the CD-G2 is calculated, and the next reproduction is performed from the memory 23 at a timing before a predetermined time of the end time. The "title name" data of the karaoke piece to be played is read, the title name data j is given to the display controller 26, and the video signal k thereof is sent to the display 27, and the "title name" of the karaoke piece to be reproduced next is displayed in advance. . Alternatively, CD-I
The title data e may be sent from the data processing unit 10 to the superimposer 19 and superimposed on the BGV on the display 20 of the karaoke piece currently being reproduced. The above display operation is the absolute time data (or elapsed time data) in the TOC of each CD-G2 to be reproduced.
It is controlled based on.

On the other hand, when the disc to be reproduced is the CD-I4, the "trigger bit" in the submode S _{2 of the} subheader is used as the reference clock, and this reference clock is used as the soft counter of the CPU in the system controller 22. Similarly, the "title name" of the karaoke piece to be reproduced next is read from the memory 23, and the title name of the next piece of music is displayed a predetermined time before the end of the reproduction of the karaoke piece currently being reproduced.

As described above, the "title name" of the karaoke piece to be reproduced next, regardless of the type of the disc to be reproduced.
Can be displayed in advance on the screen of the display 20 or the display 27 a predetermined time before the end of the karaoke piece currently being reproduced.

[II] Second Embodiment This second embodiment is an example of the karaoke apparatus in the case where the disc configuration is the above-mentioned mode.

Since the basic structure of the karaoke apparatus is the same as that shown in FIG. 1, its explanation is omitted. The feature of this embodiment is that the display timing of the "title name" of the next karaoke piece is controlled by counting the "trigger bit" described above. This count is realized by the software of the CPU in the system controller 22, and the display timing and the like are the same as in the first embodiment.

[III] Third Embodiment This third embodiment is an example of a karaoke apparatus in the case where the disc configuration is the above-mentioned aspect.

Since the basic structure of the karaoke apparatus is the same as that shown in FIG. 1, its explanation is omitted. The feature of this embodiment is that the display timing of the "title name" of the next karaoke piece is controlled by the absolute time data in the TOC when the disc is CD-G2, and when the disc is CD-I. Is based on the "trigger bit", and the operation of both is automatically switched according to the type of the disc that can be applied. Disc identification is possible by referring to the identification bit in the TOC.

In the above description, the title name data e
Is transferred to the display 20 via the superimposer 19, but may be directly supplied to the display 27 via the display controller 26. Also, therefore, the display 27 in this case
May be, for example, a TV monitor placed on the operator's side in addition to the TV monitor in the audience, and the title name data may be supplied only to this operator's TV monitor.

[0041]

As described above, according to the present invention, at the time of designation during reproduction of one program information, the information title name of another program information to be reproduced next to the one program information is displayed. The information title name of the program information to be reproduced next can be announced in advance.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration example of a disc player of the present invention.

FIG. 2 is a block diagram showing a detailed example of a CD-I data processing unit.

FIG. 3 is an explanatory diagram showing an example of a disc format.

FIG. 4 is an explanatory diagram showing an example of a data format of a CD-I subheader.

[Explanation of symbols]

 1 ... CD changer 2 ... CD-G 3 ... CD player 4 ... CD-I 5 ... Spindle motor 6 ... Pickup 7 ... Reproduction system 8 ... Graphics decoder 9 ... Servo system 10 ... CD-I data processing unit 11 ... Amplifier 12 ... Speaker 13 ... Microphone 14 ... LD player 15 ... LD 16 ... Spindle motor 17 ... Pickup 18 ... Playback system 19 ... Superimposer 20 ... Display 21 ... Commander 22 ... System controller 23 ... Memory 24 ... Drive system 25 ... Servo system 26 ... display controller 27 ... display a ... playback data b ... audio signal c ... audio signal d ... composite signal e ... song name data f ... graphics data g ... BGV data h ... video signal i ... title name data j ... title name data k … Video signal

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Claims (1)

[Claims] 1. An information reproducing method in a disk player capable of selecting any one of a plurality of recording disks and selectively reproducing any program information contained in the selected disk. An information reproducing method in a disc player, characterized in that an information title name of another program information to be reproduced next to the one program information is displayed on a display means at a predetermined time point during the reproduction of the one program information. .