JPH11249671A - Method for recording musical information, method and device for reproducing musical information, recording medium recording musical information, and recording medium recording program for reproducing musical information - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to change a color changing speed even on the way of characters by recording a color changing command for dividedly specifying characters and its execution timing information. SOLUTION: KARAOKE (orchestration without lyrics) musical information stored in a storage means 5 has a MIDI sequence part, a word character data command part and a timing control command part. The word character data command part records character display information such as command or word character data indicating the record of word character codes, display information, etc. The timing control command part records commands for specifying the display/erasing timing of a page, specifying the color change start/end timing of displayed characters and specifying the line of displayed word characters. Timing control commands include a color changing command for dividing displayed characters into plural parts in a color changing direction, specifying one divided part and specifying the start or end of color changing of the specified part and so on.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a music information recording method, a music information reproducing method, a music information reproducing apparatus, and a recording medium for recording or reproducing music information composed of character display information and a MIDI signal. Recording method of music information suitable for use as a karaoke performance apparatus for reproducing karaoke music information including character color change information, music information reproduction method, music information reproduction apparatus, recording medium on which music information is recorded, and music The present invention relates to a recording medium on which a program for reproducing information is recorded.

[0002]

2. Description of the Related Art Generally, in a music reproducing apparatus such as a karaoke playing apparatus installed in a restaurant or a home, accompaniment music information, background video information, and lyric character information of a desired music are recorded on a laser disk, CD (compact disk). ) Is stored in advance in a storage medium such as. When the user selects a desired song, the background image is displayed in synchronization with the playback accompaniment sound, and at the same time, the lyrics characters are displayed on the image, and the colors of the lyrics characters are displayed in the accompaniment so that the user can easily sing. It is widely known that they are adapted to change.

However, in such a karaoke performance apparatus, music other than those stored on a laser disk or CD cannot be used. If all the infrequent songs are included, the cost associated therewith will be enormous. Furthermore, even if a new song appears and you want to sing the song with accompaniment of a karaoke performance device, the new song is cut as a laser disk or CD for the karaoke performance device, and until it is marketed. I couldn't sing and had to wait for months, for example, to be available

[0004] Therefore, a communication karaoke apparatus has recently been developed as a means for solving these problems at once. In this communication karaoke device, the information center has information on various kinds of songs that are released one after another as well as songs already released as a database, and distributes selected items to individual users via telephone lines as necessary. Then, the user selects and uses from the distributed music pieces. This communication karaoke apparatus includes a non-storage type apparatus in which information on a selected music piece is distributed from a center every time a user selects a music piece, or a large-capacity storage medium such as a hard disk. There is a storage-type device in which information about frequently used music is stored in advance, and a desired music is selected from the stored data and used. This storage type device tends to be widely used because the cost of a communication line is less than that of a non-storage type device. The data in the storage medium of this storage device is updated daily or as needed when the telephone line usage rate is low, such as at night, and can be distributed early.

On the other hand, the performance of electronic musical instruments such as synthesizers and electronic pianos, such as the sound quality of sound sources, has been remarkably improved due to technological progress, and MIDI (musical instruments) capable of controlling and driving the sound sources of these electronic musical instruments has been developed. Music Ins
Trument Digital Interfac
e) There are standards. If this MIDI standard is used, electronic musical instrument control signals can be transmitted efficiently.
In recent years, this music information for communication karaoke
Some of them use the IDI standard. The music information is composed of character codes of characters such as titles and lyrics, music information compliant with the MIDI standard, and the like.

By the way, in karaoke, in general, a user can easily sing by changing the color of the corresponding lyric character sequentially in accordance with the accompaniment. The color change data of the lyrics characters is important data for karaoke,
Since the data volume is large, it is necessary to reduce the data volume of the lyrics characters. An example of a method of changing the color of the lyric character will be described with reference to FIG. 4 in which a horizontally written character string "Aioeo" displayed on the display screen of the terminal device is sequentially changed in color.

FIG. 4 is a diagram for explaining a conventional character color changing method. In the following description, it is assumed that the display screen of the terminal device has 480 × 720 pixel dots in the vertical and horizontal directions as shown in FIG. It shall represent a position.
The left and right margins are set at 60 in the center of the display screen.
The number of pixels in the horizontal direction of one character displayed by each pixel is 12
The case of changing the color of the character string “aiueo” of 0 pixels will be described. In addition, when the character string is written horizontally, the color change of the character is performed only in the horizontal direction. Therefore, the number of pixels in the following description indicates the number of pixels in the horizontal direction (color change direction) on the display screen. Therefore, the number of pixels in the vertical direction is omitted.

[0008] As the color change information supplied from the information center, an inflection point at which the color change speed of a character rapidly changes is represented by M
This is related to the timing clock in the IDI signal. For example, the inflection point P0 is located at the position of 60 pixels on the display screen when t0 timing clocks are counted.
And information indicating that there is an inflection point P1 at the position of 180 pixels on the display screen when counting up to t1. FIG. 4B is a graph showing the relationship between the inflection point and the timing clock.

[0009] These pieces of information are transmitted to the terminal device as table information. On the terminal device side, the color change information is stored as a table in a predetermined storage device, and the color change of the displayed lyric character is sequentially performed while referring to the table while reproducing the music. Also,
The terminal device is set to change the color between the inflection points at a constant speed. For example, the inflection points P0 to P1 are:
Since the color of 120 pixels is changed while counting (t1 -t0) timing clocks, the timing clock is changed by 120 / (t1 -t0) for each count.
) The color is changed for each pixel. Therefore, after counting the t0 timing clocks, the color of the pixel data in the area of 180 pixels from the position of 60 pixels on the display screen is changed by 120 / (t1 -t0) pixels in synchronization with the timing clock.

If the color is changed in this way, after counting (t1 -t0) timing clocks, 1 is counted.
The color change of the character "A" is completed. Then, the character “i” next to the area of P1 and P2 (the area of 180 to 300 pixels) on the display screen is displayed immediately after the end of the color change of “a” (180).
-300) / (t2 -t1) The color of each pixel is changed in synchronization with the timing clock. By performing the same color change processing for the subsequent characters “U”, “E”, and “O”, the character string “Ai-ueo” displayed on the display screen is changed. The colors are sequentially changed from the left end at the correct timing for the karaoke accompaniment.

[0011]

In the communication karaoke apparatus as described above, the above-mentioned color change information is configured on the assumption that a specific terminal apparatus is used, so that only a dedicated terminal apparatus is used. It was impossible. That is, if the terminal device is dedicated, the size of the display screen of the display device, the size (size) of the character displayed on it, the number of pixels constituting the character, and the display position of the character can be treated as fixed values. This is because the amount of karaoke music information transmitted from the information center can be reduced. However, when an arbitrary terminal device such as using a computer owned by a user is used as the terminal device, the size of the display screen of the display device, the size of the characters displayed on the display device, and the characters are changed. The number of pixels and the display position of the character are arbitrary.

Recently, there is also an OS which divides and displays a small screen (window) on a display screen of a display device and can execute different software for each window. There is a demand to display lyrics characters, but the size (vertical and horizontal) of this window screen can be arbitrarily set by the user, and the number of pixels constituting one character varies accordingly.
As described above, when the size of the display screen of the display device and the size of the character displayed thereon, the number of pixels constituting the character, and the display position of the character are arbitrary, in the above-described color change using the color change information, Because it is not possible to change the color of the text accurately,
It was necessary to renew the method of color change processing.

The applicant of the present invention has disclosed a music information recording method in which the character color can be accurately changed even if the character display position and character size are set arbitrarily.
No. 5 (published on July 15, 1997).
However, according to this method, the color changing speed can be controlled only in units of one character. For this reason, 1
It was possible to change the color of a character including a plurality of sounds only at a constant speed. In addition, since a font used for a character is assumed to be a monospaced font, when a proportional character whose character width changes depending on the type of the character is used, there is a problem that the timing of changing colors is shifted.

Therefore, the present invention provides a music information recording method capable of changing the color changing speed even in the middle of a character, and not only arbitrarily sets a character display position and a character size, but also allows proportional characters to be displayed. It is an object of the present invention to provide a music information recording method in which the character color is changed accurately even when used.

[0015]

According to the present invention, there is provided a method for recording music information, a method for reproducing music information, a music information reproducing apparatus, and a recording medium on which music information is recorded, as means for achieving the above object. And a recording medium on which a program for reproducing music information is recorded.

1. Character display information for displaying a plurality of characters on predetermined display means, sound source drive information for driving various sound sources, and color change for changing colors of characters displayed on the display means In a method for recording music information comprising information, a color change command for dividing the color change information into a plurality of characters in a color change direction displayed on the display means and specifying one of the colors to perform a color change. And a time information indicating a timing at which the color change command is executed.

2. Character display information for displaying a plurality of characters on predetermined display means, sound source driving information for driving various sound sources, and dividing the characters displayed on the display means into a plurality of colors in a color changing direction. And music change information indicating color change timing of a designated divided portion, wherein the music information is displayed on the display means before the music information is reproduced. Music information, wherein the character display position is determined, and the color change of the character segment specified by the color change information is performed using the character display position determined before the music information reproduction. How to play.

3. In the music information reproducing method according to the second aspect, when the character information is displayed on the display means, the color change speed is corrected so that the color change time of each divided portion of the character is not changed. A method for reproducing music information, characterized in that the color is changed from a color.

4. Character display information for displaying a plurality of characters on predetermined display means, sound source driving information for driving various sound sources, and dividing the characters displayed on the display means into a plurality of colors in a color changing direction. A music information reproducing apparatus for reproducing music information having one of the specified color change information and color change information indicating a specified color change timing, and having a display screen composed of a plurality of pixels. The display means,
Display processing means for converting a character code of a character into pixel data for display on a display screen of the display means for displaying the character on the display means, and driving sound sources of various musical instruments based on the sound source drive information Sound source driving means, character information storage means capable of storing a display position of each character displayed on the display means on a display screen, and a character segment designated by the color change information A color change processing means for driving the display processing means such that the color change of the color information is performed at a timing synchronized with a reference clock for driving the sound source.

5. The music information reproducing apparatus according to claim 4, wherein the color change processing means counts a reference clock for driving the sound source and counts a color change timing based on the color change information. Unit, a character display processing unit that determines a display position of each character to be displayed on the display unit on a display screen and stores the display position in the character information storage unit, and the character information according to an output of the clock counting unit. A color change processing unit that reads a display position of a character specified by the color change information from a storage unit, and outputs the read position to the display processing unit to change a color of a divided portion of the specified character. Music information playback device.

6. In the music information reproducing apparatus according to claim 4 or claim 5, when displaying in proportional characters on the display means, the color changing speed is adjusted so as not to change the color changing time of each divided portion of the character. A music information reproducing apparatus characterized in that the color is changed after the correction.

7. Character display information for displaying a plurality of characters on predetermined display means, sound source drive information for driving various sound sources, and color change for changing the colors of the characters displayed on the display means A recording medium on which music information comprising information is recorded, wherein the color change information is divided into a plurality of characters displayed in the display means in a color change direction, and one of the characters is designated to perform the color change. A recording medium on which music information is recorded, which is represented by a color change command to be performed and time information indicating a timing at which the color change command is executed.

8. Character display information for displaying a plurality of characters on predetermined display means, sound source drive information for driving various sound sources, and dividing the characters displayed on the display means into a plurality of colors in a color changing direction. And recording a program for reproducing music information having color change information indicating a color change timing of the designated divided portion and reproducing the music information. The display position of the character to be displayed on the display means is determined in advance, and the color change of the divided portion of the character specified by the color change information is performed using the display position of the character determined before the reproduction of the music information. A recording medium having recorded thereon a program for reproducing music information.

[0024]

An embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a diagram schematically showing a configuration of a music information reproducing system in which a music information reproducing device of the present invention is used. As shown in FIG. 1, the music information reproducing apparatus 1 of the present embodiment is a so-called terminal device connected to an information center 2 via a telephone line 3. Information Center 2 above
Has a large-capacity center storage unit 5 managed by a center control unit 4, and stores music information (hereinafter, referred to as karaoke music information) of a large number of karaoke songs in a database in the center storage unit 5. Has been accumulated.
Also, a large number of music information reproducing apparatuses 1 are connected to the information center 2 via an interface 6 and a telephone line 3. Then, when a request is received from a certain music information reproducing apparatus 1, the center control means 4 searches the other number of karaoke music information stored in the center storage means 5 for karaoke music information corresponding to the request. The information is transmitted to the music information reproducing device 1 that has made the request.

Here, the karaoke music information stored in the center storage means 5 will be described. FIG. 2 is a diagram for explaining music information reproduced by the music information reproducing device of the present invention. As shown in the figure, the karaoke music information has a MIDI sequence section A, a lyrics character data command section B, and a timing control command section C.
The karaoke music information also includes various control signals, chorus information, background video information, and the like, but is not shown in FIG.

The MIDI sequence section A is a section in which a sound source drive command for driving the MIDI sound source of the music information reproducing apparatus 1 to perform karaoke accompaniment is formatted according to the MIDI standard. The MIDI sequence section A has N channels, and a sound source drive command for driving a sound source corresponding to each channel is recorded. This sound source drive command is a command for designating a sound source and a generated sound and generating the sound, and immediately before the command, time information indicating generation timing is recorded. Then, the sound source driving command and the time information constitute a sound source driving command.

The lyric character data command section B
Is a portion where a command indicating that a lyrics character code and display information are recorded, and character display information such as lyrics character data are recorded. The lyrics character data command section B includes an SMF (Standard MID) as shown in FIG.
I File) is described by a Lyric meta-event defined by the standard. For example, as shown in FIG.
len, (lyric character data command) ". It should be noted that Δt described before the Lyric meta-event is necessary in the MIDI standard and has no particular meaning in reproduction, and thus description thereof is omitted here.

The above-mentioned “FF” represents a meta event,
The next “05” is a code representing a Lyric meta event, and the next “len” is the total length of the lyrics character data command below it in bytes. The lyrics character data command includes a page designation command for designating a page number, a character string designation command for designating a character string number (line number), and a display for designating a display start position of a lyrics character string on a display screen. Position specification command, character attribute command to specify character attribute, character color specification command to specify color before and after color change, character outline color command to specify outline color of character before and after color change, character A scroll command for specifying scrolling, a fade-in command for specifying character fade-in, a fade-out command for specifying character fade-out, a Sequencer-Specif described later.
There are a time unit command that specifies the unit of time information in the ic meta event, a lyric character data command that specifies lyric character data, and the like. Then, the title of the song and the character code of the lyrics are recorded in a shift JIS code or the like, and one character string data command (one line) is recorded after one lyrics character data command. These lyric character data are in page units, with one page of characters simultaneously displayed on the display screen by the page designation command.

The timing control command section C
Is a part for recording a command for designating the timing of displaying / erasing a page, the timing of starting / ending color change of displayed characters, and specifying the line of displayed lyrics characters. As shown in FIG. 2C, the timing control command section C is also the lyrics character data command section B.
Similarly to the above, Sequenc specified by the SMF standard
er-Specific meta-event (hereinafter referred to as SS meta-event), for example, “F
F, 7F, len, 48, Sub ID, (time information,
Timing control command) × n ”. Note that Δt described before the SS meta-event is the same as Δt described before the Lyric meta-event in the lyrics character data command section B.

[0030] The above "7F" is used in Sequenc.
is a code indicating that the event is an er-Specific meta event, and “len” is data below (“4
8, Sub ID, (time information, timing control command) × n ”) is indicated by the total number of bytes. Further, “48” is a manufacturer ID defined by the MIDI standard, and the next “Sub”
A code is recorded in “ID”, but the description thereof will be omitted here.

The above timing control commands include:
A page command for specifying the display start or deletion of the page specified by the lyrics character data command section B, a line specifying command for specifying the line number of the displayed page, and dividing the displayed character into a plurality of parts in the color changing direction. Divided 1
There is a color change command that specifies one part and specifies the start or end of color change of that part. By specifying these, the page display or deletion of the lyrics character, or the color change of the displayed character is performed. Will be.

Further, as shown in FIG. 2D, the "(time information, timing control command)" records a plurality of timing control commands in one SS meta-event. For example, in the case of a color change command, assuming that the number of divisions of one character is m and the number of lyric characters for one line is n, m × n sets of one piece of time information and timing control command of one division part Of these, a set of portions that become the inflection point of the speed is recorded after the above-mentioned “Sub ID”. Since a plurality of commands are described in one SS meta-event to reduce the amount of information, it is suitable for a case where the karaoke music information is supplied through a telephone line.

The time information described before the timing control command indicates a relative time with respect to the immediately preceding timing control command (the first time information of the music indicates the time from the beginning of the music). Is recorded in a numerical value represented by a unit time defined by the time unit command of the lyrics character data command section B. Here, the unit time specified by the time unit command is the MIDI sequence unit A
Is determined as one unit for several clocks of the timing clock.

Accordingly, if one unit time of the unit time specified by the time unit command is, for example, k clocks, the timing clock is set to ti × from a predetermined time.
After counting k, the timing control command i is executed, and the timing control command i + 1 is executed after ti + 1 × k clocks. As described above, the time information ti described before the timing control command i indicates a relative time with respect to the immediately preceding timing control command. The time information and the page command are page display information, and the time information and the color change command are color change information.

As described above, the karaoke music information stored in the center storage means 5 determines the division of the character to be changed in which line and on which line, ie, the displayed character in the color changing direction. Since the music information reproducing apparatus 1 needs to replace the display position of the specified character with the coordinates on the display screen because it is divided into a plurality and specifies one of the divided characters, Even if the screen size is arbitrary, the color of the character can be changed at an accurate timing, and the color changing speed can be changed or paused in the middle of the character.

In FIG. 1, the music information reproducing apparatus 1
Is a control unit 12 connected to the telephone line 3 via the interface 11, a secondary storage unit 13 for storing karaoke music information of the reserved music, and a main storage for storing karaoke music information to be reproduced. Means 14, input means 15 used for reserving music or designating the size of a display screen, sound sources 16 of various musical instruments, sound source driving means 17 for driving the sound sources 16, color changing processing of displayed characters , A character information storage unit 19 for storing display information (display position, character size) and the like of the character determined by the character color changing unit 18, a display screen composed of a plurality of pixels A display means 20, such as a CRT display, a display processing means 21 for displaying characters and background images on the display screen of the display means 20, and a display means 20 on the display screen of the display means 20. VRA for storing the original data
M22 and the like.

The secondary storage means 13 needs to have a storage capacity capable of storing karaoke music information of the reserved music, and is a storage device having a large storage capacity such as a hard disk drive (HDD). It consists of. The storage state of the karaoke music information in the secondary storage unit 13 is managed by the control unit 12.
Is displayed on the display means 20. Further, the main storage means 14 is
It has a storage capacity that can store karaoke music information for one song, and can be composed of RAM (Random Access Memory)
Alternatively, it is configured using the free area of the secondary storage means 13. Further, the character information storage means 19 includes a RAM and the secondary storage means 13 like the main storage means 14.
Of free space.

The sound source 16 is a sound source of various musical instruments such as a drum, a bass, and a guitar for use in karaoke accompaniment, and can be driven by the sound source drive information corresponding to the MIDI standard. One sound source is controlled by the sound source drive information of any one of the N channels of the MIDI sequence section A.

The character color change processing means 18 further counts the timing clock of the MIDI sequence part A of the karaoke music information to count page display / erase and character color change timing. The display position of each character to be displayed on the display means 20 on the display screen is determined, and the character information storage means 1 is determined.
9, a character display processing unit 32 for displaying a page on the display screen or deleting the displayed page in accordance with the output of the clock counting unit 31, a color change command in response to the output of the clock counting unit 31 The color change processing unit 33 reads the display position of the character specified by the character information storage unit 33 from the character information storage unit 33 and outputs the read position to the display processing unit 21 to change the color of the specified character divided part.

Next, the operation of the music information reproducing apparatus 1 will be described with reference to the flowchart shown in FIG. FIG.
3 is an operation flowchart of the music information reproducing device shown in FIG. 1. In the following description, the number of pixels in the vertical and horizontal directions is the same as that of the character string “Aioeo” shown in FIG.
A case will be described in which the character string “shaking eyes” as shown in FIG. 5 displayed on the display screen of the display means 20 of 0 is changed in color.

First, before reproducing the karaoke music information, the size of the display screen (the number of pixels in the vertical and horizontal directions) is inputted by the input means 15 (step 101). When the size of the display screen is input, the control unit 12 transfers the information to the character display processing unit 32 of the character color change processing unit 18 to determine the character size S and the character display position P.

Here, on the display screen, the maximum number of characters M to be displayed in one line, the maximum number of character strings L to be displayed in the vertical direction, and the number of divisions per character D (in FIG. Division) is determined in advance. Therefore, the character display processing means 32 determines the character size with respect to the number X of pixels in the horizontal direction or the number Y of pixels in the vertical direction of the display screen so that a character string having the maximum number of characters M can be displayed on the set display screen at maximum L lines. (Vertical x horizontal number of pixels) S and character display position P are determined.

That is, for example, the character size S is determined from the input display screen size and the predetermined maximum number M of characters to be displayed on one line, and further, the input display screen size and the determined character are determined. The display position P0 of the first character of each line is determined from the size S. Then, the display position P of the divided portion of each character is obtained from the display position P0 of the first character of each line and the character size S, and the display position P of the divided portion of each character is stored in the character information storage means 19. Remember.
If the initial operation in step 101 is performed before the reproduction of the karaoke music information, the initial operation is performed as the initial setting operation of the music information information reproducing apparatus 1 or the initial operation before the reproduction start operation of the karaoke music information is started. You can go either way.

Next, in step 102, when a request for a certain music is made from the input means 15, the control means 12 refers to the secondary storage means 13 to store desired karaoke music information corresponding to the request. The karaoke music information corresponding to the request is transferred from the information center 2 via the telephone line 3 and stored in the secondary storage means 13 if the karaoke music information is not stored.

Then, the karaoke music information to be reproduced is transferred from the secondary storage means 13 to the main storage means 14 (step 103), and the reproduction of the music is started (step 104). When the reproduction of the music is started, the sound source drive information (time information and sound source drive command) of the MIDI sequence part A of the karaoke music information is transferred to the sound source drive means 17. In the sound source driving means 17 to which the sound source driving command is transferred, various sound sources 16 are driven in accordance with the time information of each channel and the sound source driving command, and the speaker 2 is driven via the mixer 23.
4 to output karaoke accompaniment music.

The control means 12 transfers the lyrics character data command part B and the timing control command part C to the character color changing means 18 simultaneously with the transfer of the sound source drive information.
The title of the song and the lyrics are displayed on the display screen of the display means 20 (step 105). Before performing the karaoke accompaniment or immediately after the reproduction of the karaoke accompaniment, the title of the song is displayed on the display means. The character code of this title is recorded in the lyrics character data command section B in the karaoke music information as page 0, and page 0 is designated by a page designation command transmitted first after the reproduction of the music starts.

Here, usually, the time until the timing control command is executed is indicated by the time information immediately before the timing control command. The title is displayed before the start of the karaoke accompaniment playback or simultaneously with the playback. Therefore, the time information is set to 0. Therefore, the character display processing section 32 is driven simultaneously with the transfer of the timing control command section C. Then, the character display processing unit 32 controls the main storage unit 14 via the control unit 12.
The character code of page 0 of the lyric character is read and transferred, and the character size S and the character display position P stored in the character information storage means 19 are transferred to drive the display processing means 21. The display processing means 21 converts the transferred character code into pixel data based on the transferred character size S and the display position P of the character, stores the converted data in the VRAM 22, and displays the lyric character on page 0 on the display means 20. I do.

Next, the control means 12 determines whether the next timing control command is a page command or a color change command (step 106). However, the title is usually erased without changing the color. The next control command is a page command. Therefore, the process proceeds from step 106 to step 109, and after the time t indicated by the time information is counted by the clock counting unit 31,
The display processing unit 21 deletes the displayed page.
Then, in step 110, it is determined whether or not all pages have been completed. However, since the next timing control command is transferred, it is determined that all pages have not been completed, and the process returns to step 105.

In step 105, the next page 1 (lyrics 1) is displayed. Immediately after the completion of the title erasing process in step 109, the clock count unit 31 counts the time indicated by the time information immediately before the next timing control command, and after the count, drives the character display processing unit 32 to execute the lyric character data command. The page 1 specified by the page command of the section B is displayed. The character display processing unit 32 stores the display position of each character determined from the display position P of the character division part stored in the character information storage unit 19 and the character size S of the page 1 stored in the main storage unit 14. The character code is transferred to the display processing means, and a character string “shaking eyes” as shown in FIG. 5 is displayed on the display screen of the display means 20.

Since the next timing control command to be transferred is a line designation command, the next step 10
6 is not performed, but the process proceeds to step 107 by the next color change command transmitted to the display unit 2.
The color change processing of the character displayed at 0 is performed. Control means 12
When the color change information is detected, the color change command is transferred to the character color change processing section 33 and the time information is transferred to the clock count section 31. In the clock counting unit 31,
When the timing clock of the MIDI sequence section A is counted for the time indicated by the time information, the color change processing section 31
Drive. Here, the first line designation command
On the line, the above-mentioned color change command designates the first character divided portion of the character to be color-changed.

Therefore, the color change processing section 33 sets the display position P0 of the designated first line, the first character ("shaking" shown in FIG. 5), and the display position of the next divided portion of the line. P1 is read from the character information storage means 19 and displayed on the display processing means 21.
And the display processing means 21 is driven to change the color of the pixel data of the character stored in the VRAM 22 corresponding to the display positions P0 to P1 on the display screen. Then, by repeating this, the characters up to the display position P9 of the next character ("re" shown in FIG. 5) are sequentially read from the character information storage means 19 and transferred to the display processing means 21, and the display position P9 on the display screen is reached. When the display processing means 21 is driven so as to change the color of the pixel data of the character stored in the VRAM 22, for example, the "wobbles" of the character string displayed in white can be accurately corrected for the karaoke accompaniment. The color will change to green depending on the timing and the duration of the sound.

Here, as for the method of changing the character color, for example, as shown in FIG. 6, the pixel data of the divided portion is changed between the timing of changing the color of one divided portion and the timing of changing the color of the next divided portion. There are a method of changing the color at a constant speed from the left end, and a method of changing the color by complementing with a free curve such as a spline curve or a Bezier curve as shown in FIG.

As shown in FIG. 6, when the color is changed at a constant speed from the left end, the speed information of the color change is necessary at the time of the color changing process in step 107. The color change speed information is obtained in advance by calculation at the time of the initial setting in the step 101, and together with the character display position P, the character information storage means 1
9 or the color change processing unit 33 performs the color change processing while calculating the speed information.

The speed information can be calculated if the character size S, the number of divisions D, and the time required for changing the color can be calculated.
In step 101, when the character size S is determined, the timing control command section C of the karaoke music information is read from the main storage means 14, and the number of pixels is changed by one clock of the timing clock using the time information immediately before the color change command. Calculate what to do. That is, as shown in FIG. 2D, the time information ti is the time until the execution of the color change command i, so that the time information ti of the color change command i + 1 next to the color change command i. Using +1
(S / D) / ti + 1 is calculated, and (S / D) / ti + 1 is calculated.
Is the color change speed of the character segment specified by the color change command i. In step 106, the color change processing section 33 transfers the color change speed (S / D) / ti + 1 together with the character display position P to the display processing means 21, and the display processing means 21 designates the color change speed (S / D) / ti + 1 in the VRAM 22. The color change processing is performed on the pixel data in the area where the color is changed at the speed (S / D) / ti + 1.

For example, in the case of the “swaying pupil” shown in FIG.
Character display positions P0, P8, P28, P30,
The speed information changes at P33, P35, and P44, and the display positions P0, P8, P28, P30, P33, and P3 of each character are displayed.
5, between P44, the color is changed at a constant speed. As a result, in "re", the color is changed at a constant speed,
In the "pupil", the color is changed at a speed that changes in the order of low speed, high speed, and low speed in one character, and the color change display is performed so as to pronounce "Hitomi".

Also, as shown in FIG. 7, when the color change is performed by complementing with a free curve such as a spline curve or a Bezier curve, only the speed information calculation method is different. At the time of initial setting in 101, it is obtained in advance by calculation and stored in the character information storage means 19 together with the character display position P, or the color change processing unit 3
3 is the same in that the color changing process may be performed while calculating the speed information. When the color is changed by complementing with a free curve such as a spline curve or a Bezier curve, the color can be changed more smoothly and smoothly than in the case of complementing with a straight line.

Then, the above-described color changing process is similarly performed for the subsequent divided portions (step 108). When the color change for all the characters on the page is completed, the page is erased by the page erase information ( Step 109),
This color changing process is performed until all pages are completed (step 110), and when all pages are completed, the process is terminated.

The character color changing process as described above is performed as follows.
It can be performed regardless of the size of the display screen, so for example, even on a window screen where the screen size and display position on the display screen can be set arbitrarily, it is necessary to change the color of the lyrics characters accurately Can be. When performing the above-described character color change processing on such a window screen,
When the setting of the window screen is completed, the display position and the size of the window screen can be known. Therefore, the character size S and the display position P of each character are determined at the time of the initial setting operation in step 101 using the information. Just do it.
That is, the color changing process as in the present embodiment can accurately change the color of the lyrics characters regardless of the size of the display screen, so that not only can the terminal device be arbitrarily selected, but also the size of the display screen and Lyric characters can be accurately changed in color even on a window screen on which a display position on the display screen can be arbitrarily set.

Further, how to change colors when proportional characters are used as displayed characters will be described below. For proportional characters, the displayed character width is different for each character type so that it looks good.If you change the color without correction, the color will change compared to when changing the color of non-proportional characters that are monospaced fonts. The change timing will be shifted.

If the character type is changed in the case where the data is held as shown in FIG. 2, there is a possibility that the color change timing is shifted with respect to the reproduced music information. Therefore, in the initial setting (step 101) in the processing flow shown in FIG. 3, it is also determined whether the displayed character is a proportional character or a non-proportional character. In the process (step 107), the following correction process is performed.

For example, “wiii” as shown in FIG.
Is displayed, the number of display pixels in the color changing direction (character width direction) of the proportional character shown in FIG. 6B is smaller than that of the non-proportional character shown in FIG. Here, the display positions P0 to P4 of “wwii”
It is assumed that the color of No. 4 is changed at a constant speed between times t0 and t1. Color change position P22 of the center of the third character "i"
Is the reference point R, the time tR of the color change timing at the reference point R of the non-proportional character is substantially an intermediate time between the times t0 and t1, as shown in FIG. However, the time tR of the color change timing at the reference point R of the proportional character is, as shown in FIG.
The color change at the reference point R is performed at a much later time.

Therefore, as shown in FIG. 11, the color change start time of each character when displaying with non-proportional characters is obtained, and the color change is also performed with the color change start time when displaying with proportional characters. When the color changing speed is changed, the color changing timing is as shown in FIG. 12, and the color changing timing for each character is the same as the color changing timing when displaying with non-proportional characters. Will not be displaced.

In FIGS. 11 and 12, the time at the color change start position of each character is obtained in order to make the description easy to understand. However, in practice, each character has a plurality of times in the color change direction. The color change start time at the color change start position of each divided part is obtained, and the color change speed is adjusted so that the color change start time of the divided part is the same Will do.

[0064]

As described above, according to the music information recording method of the present invention, character display information for displaying a plurality of characters on a predetermined display means and sound source driving for driving various sound sources are provided. In a music information recording method comprising information and color change information for changing a color of a character displayed on the display means, the color change information is divided into a plurality of characters displayed on the display means in a color changing direction. The color information is recorded as a color change command for designating one of the color change commands and time information indicating the timing at which the color change command is executed. An accurate color change synchronized with the driving of the sound source can be performed regardless of the size of the display screen of the display means of the playback device. Also, since the character displayed on the display means is divided into a plurality of parts in the color changing direction and one of them is designated and the color is changed, a plurality of pronunciations are displayed by displaying one character such as a kanji. Even if it has, it is possible to change colors at a speed corresponding to each sound.

According to the music information reproducing method of the present invention, character display information for displaying a plurality of characters on predetermined display means, sound source drive information for driving various sound sources, and the display means The character information displayed in the music information is divided into a plurality of parts in the color changing direction, and one of the divided parts is designated, and the color changing information indicating the color changing timing of the designated divided part. Before the information is reproduced, the display position of the character to be displayed on the display means is determined, and the color change of the divided part of the character specified by the color change information is performed using the display position of the character determined before the music information reproduction. Therefore, even if the display position and the character size of the character are changed, it is possible to realize an accurate color change synchronized with the driving of the sound source.

Further, in the case of displaying with proportional characters, the color changing speed is changed without changing the color changing time of each divided portion of the character, so that the character is reproduced regardless of the type of displayed character. The color can be changed according to the timing of the music information to be performed.

[Brief description of the drawings]

FIG. 1 is a diagram schematically showing a configuration of a music information reproducing system in which a music information reproducing device of the present invention is used.

FIG. 2 is a diagram for explaining music information reproduced by a music information reproducing device of the present invention.

FIG. 3 is a view showing an operation flowchart of the music information reproducing apparatus in FIG. 1;

FIG. 4 is a diagram showing an example of lyrics characters displayed on a display screen of a conventional music information reproducing apparatus.

FIG. 5 is a diagram showing an example of a lyric character displayed on a display screen of the music information reproducing apparatus of the present invention.

FIG. 6 is a diagram for explaining an example of a music information recording method according to the present invention.

FIG. 7 is a diagram for explaining another example of the music information recording method of the present invention.

FIG. 8 is an explanatory diagram showing a color change timing for non-proportional characters.

FIG. 9 is a diagram for explaining color change in proportional characters.

FIG. 10 is a diagram for explaining color change in proportional characters.

FIG. 11 is a diagram for explaining color change in proportional characters.

FIG. 12 is a diagram for explaining color change in proportional characters.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 music information reproducing device 2 information center 3 telephone line 12 control means 13 secondary storage means 14 main storage means 16 sound source 17 sound source driving means 18 character color changing means 19 character information storage means 20 display means 21 display processing means 31 clock counting section 32 Color change processing unit 33 Character display processing unit

Claims (8)

[Claims] 1. Character display information for displaying a plurality of characters on predetermined display means, sound source drive information for driving various sound sources, and color change for changing colors of characters displayed on the display means. A method for recording music information comprising: a color change command that divides the color change information into a plurality of characters displayed in the display means in a color change direction and designates one of the divided colors to perform a color change. And a time information indicating a timing at which the color change command is executed. 2. Character display information for displaying a plurality of characters on a predetermined display means, sound source drive information for driving various sound sources, and dividing the characters displayed on the display means into a plurality of colors in a color changing direction. And a color change information indicating a color change timing of the specified divided portion, wherein the music information is displayed on the display unit before the music information is reproduced. Music information, wherein the character display position is determined, and the color change of the character segment specified by the color change information is performed using the character display position determined before the music information reproduction. How to play. 3. A method for reproducing music information according to claim 2, wherein when displaying in proportional characters on the display means, the color changing speed is corrected so as not to change the color changing time of each divided portion of the character. A method for reproducing music information, characterized in that the color is changed from a color. 4. Character display information for displaying a plurality of characters on a predetermined display means, sound source drive information for driving various sound sources, and dividing the characters displayed on the display means into a plurality of colors in a color changing direction. A music information reproducing apparatus for reproducing music information having one of the specified color change information and color change information indicating a specified color change timing, and having a display screen composed of a plurality of pixels. The display means, display processing means for converting the character code of the character into pixel data for display on a display screen of the display means, and displaying the character on the display means, and various types based on the sound source drive information. Sound source driving means for driving a sound source of a musical instrument; character information storage means capable of storing a display position of each character displayed on the display means on a display screen; Color change processing means for driving the display processing means such that the color change of the character divided portion specified by the information is performed at a timing synchronized with a reference clock for driving the sound source. Music information playback device. 5. The music information reproducing apparatus according to claim 4, wherein the color change processing means counts a reference clock for driving the sound source and counts a color change timing based on the color change information. Unit, a character display processing unit that determines a display position of each character to be displayed on the display unit on a display screen and stores the display position in the character information storage unit, and the character information according to an output of the clock counting unit. A color change processing unit that reads a display position of a character specified by the color change information from a storage unit, and outputs the read position to the display processing unit to change a color of a divided portion of the specified character. Music information playback device. 6. The music information reproducing apparatus according to claim 4, wherein, when displaying in proportional characters on the display means, the color changing speed is adjusted so as not to change the color changing time of each divided portion of the character. A music information reproducing apparatus characterized in that the color is changed after the correction. 7. Character display information for displaying a plurality of characters on a predetermined display means, sound source drive information for driving various sound sources, and color change for changing colors of the characters displayed on the display means. A recording medium on which music information comprising information is recorded, wherein the color change information is divided into a plurality of characters displayed in the display means in a color change direction, and one of the characters is designated to perform the color change. A recording medium on which music information is recorded, which is represented by a color change command to be performed and time information indicating a timing at which the color change command is executed. 8. Character display information for displaying a plurality of characters on predetermined display means, sound source drive information for driving various sound sources, and dividing the characters displayed on the display means into a plurality of colors in a color changing direction. And recording a program for reproducing music information having color change information indicating a color change timing of the designated divided portion and reproducing the music information. The display position of the character to be displayed on the display means is determined in advance, and the color change of the divided portion of the character specified by the color change information is performed using the display position of the character determined before the reproduction of the music information. A recording medium having recorded thereon a program for reproducing music information.