JPH10171482A - Music playback device - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To realize a melody-listening music reproduction apparatus by changing the type of musical instrument playing a vocal track when switching to a BGM mode. SOLUTION: MIDI data 110 read from a RAM 62 is judged not to be data indicating the end of MIDI data in step 191, it is judged in step 192 that it is musical instrument designation data, and in step 193 it is vocal track data. Is determined, step 19
In step 4, the musical instrument designation data in the vocal track data is changed to the musical instrument designation data stored in the RAM 47. As a result, the MIDI sound source to which the instrument designation data in the vocal track data is written can be changed, and the vocal track can be played with the sound of a different instrument.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a musical sound reproducing apparatus for reproducing music with musical sounds, and comprises a MIDI (Musical Instrument).
The present invention relates to a karaoke apparatus suitable for reproducing music by writing ment digital interface (MDI) data into a MIDI sound source.

[0002]

2. Description of the Related Art Conventionally, as the karaoke apparatus, a terminal transmits a request signal to a host having music data via a communication line, and the host distributes music data of the music indicated by the request signal to the terminal. A so-called communication karaoke apparatus is known. In the communication karaoke apparatus, the music data is composed of MIDI data, and the terminal writes MIDI data constituting the distributed music data to a MIDI sound source, and transmits the MIDI data.
The signal generated from the I sound source is reproduced by an amplifier, a speaker, and the like. The MIDI data includes vocal track data for reproducing a vocal track that constitutes the main melody of the song. The vocal track data is reproduced at a low volume when karaoke, and is performed by a singer. It is used to guide songs. When the music is reproduced as BGM, the vocal track data is reproduced at a high volume.

[0003]

However, the vocal track data specifies a sound source that emits an inconspicuous musical instrument in order to make it inconspicuous when performing karaoke. Therefore, when playing a song as BGM, even if the volume of the vocal track is increased,
There is a problem that it is difficult to hear vocal tracks.

Accordingly, it is an object of the present invention to realize a tone reproducing apparatus which makes it easy to hear the main melody by changing the sound for reproducing the main melody to another sound when reproducing the music data as BGM. .

[0005]

According to the first aspect of the present invention, the music information in which the main melody of the music and the melody other than the main melody are constituted by the sound designation information for designating the sound to be reproduced is reproduced as a musical tone. A musical sound reproducing device, comprising: a sound information storage means for readablely storing sound information indicating a sound specified by the sound specifying information; a main melody and a main melody of the input music information while inputting the music information; The sound information indicating the sound specified by the sound specification information constituting a melody other than is sequentially read and output from the sound information storage means,
By converting the output sound information to a sound indicated by the sound information, a musical tone reproducing apparatus provided with performance means for playing the musical composition provides a sound designation device which constitutes a main melody of the input musical composition information. Technical means is adopted in which sound designation information changing means for changing information to other sound designation information indicating a sound different from the sound indicated by the sound designation information is provided.

According to a second aspect of the present invention, in the musical sound reproducing apparatus according to the first aspect, a karaoke unit for performing karaoke by reproducing a singing voice input to a microphone together with the performance of the music, and the karaoke unit Mode switching means for switching between a karaoke mode for performing karaoke by the user and a BGM mode for playing the music as BGM without performing the karaoke, and the sound designation information changing means includes: A technical means for changing the sound designation information constituting the main melody of the music information to another sound designation information indicating a sound different from the sound indicated by the sound designation information when the mode is switched to the BGM mode. Is adopted.

According to a third aspect of the present invention, in the musical sound reproducing apparatus according to the first or second aspect, the sound designation information changing means includes designation information storage means for storing the other sound designation information. And sound designation information rewriting means for rewriting sound designation information constituting the main melody of the inputted music information to other sound designation information stored in the designation information storage means. .

[0008]

According to the first to third aspects of the present invention, the sound designation information constituting the main melody of the music information input to the performance means indicates a sound different from the sound indicated by the sound designation information. Since sound designation information changing means for changing to other sound designation information is provided, sound information indicating a sound designated by the other sound designation information changed by the sound designation information changing means is provided by the performance means. The sound information is read out from the sound information storage means and output, and the output sound information can be converted into a sound indicated by the sound information. That is, the sound of the main melody of the music information can be converted to another sound.

In particular, according to the second aspect of the present invention, when the karaoke mode for performing karaoke is switched to the BGM mode, the sound designation information changing means changes the sound designation information constituting the main melody of the music information. The sound designation information can be changed to other sound designation information indicating a sound different from the sound indicated by the sound designation information. Therefore, for example, as described in an embodiment of the invention to be described later, the MIDI data of the vocal track constituting the main melody can be changed to MIDI data that emits the sound of another easily audible instrument, and the music data is played as BGM. In this case, the sound of the main melody can be easily heard.

According to the third aspect of the present invention, the sound designation information changing means is provided with designation information storage means for storing the other sound designation information. The sound designation information constituting the main melody of the input music information can be rewritten with other sound designation information stored in the designation information storage means. Therefore, for example, as described in an embodiment of the invention to be described later, the MIDI data for producing an easy-to-hear sound of a musical instrument is stored in the RAM 62 as the designated information storage means, so that the BG
When the mode is switched to the M mode, the M
The IDI data can be rewritten to the MIDI data stored in the RAM 62. That is, by storing the sound designation information for the BGM mode in the RAM 62, the stored MIDI data can be rewritten to other MIDI data, so that the sound of the main melody can be changed depending on the music. .

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of a tone reproducing apparatus according to the present invention. In the following embodiments, a host computer having song data and a karaoke box management device having a plurality of karaoke rooms are connected by a communication line as a musical sound reproducing device, and a server provided in the management device is provided. A karaoke device used in a so-called communication karaoke system in which karaoke devices provided in each karaoke room are connected by a communication line will be described as a representative.

First, the main configuration of the karaoke apparatus according to the present embodiment will be described with reference to FIG.
As shown in FIG. 1, a karaoke apparatus 10 includes a monitor television (hereinafter abbreviated as a monitor) 12 for displaying, on a CRT, a background video for karaoke, a lyric telop showing lyrics, a video showing a song selection number, and the like, and a singer. Monitor 14 is provided. In addition, music selection control for selecting a karaoke song (hereinafter, abbreviated as a song) and a reservation for reproducing the song, and a request signal L indicating a transmission request for the selected song.
Communication control such as transmission via the AN line 15 and reception of the song data corresponding to the song indicated by the request signal via the LAN line 15, and a vocal track as a main melody when reproducing the song data as BGM M
Data change control for changing the IDI data to other MIDI data, mode switching control for switching the performance mode between the karaoke mode and BGM mode, switching of images displayed on the monitors 12 and 14, image control such as synthesis, and the like. A control device (commander) 20 is provided.

Furthermore, mixing of voice and music input from the microphones 17 and 18, volume balance of voice and music, echo adjustment, delay adjustment, amplification of mixing signal, pitch control of music to be played (key control) ,
An amplifier 16 for controlling treble and bass (tone control), and a set of floor-type speakers 1 for reproducing an amplified signal output from the amplifier 16 as sound
1, 11; a pair of speakers 13 and 13 for the ceiling; and a transmitter 70 as a remote control means for remotely controlling the control device 20.
And are provided.

Next, the equipment of the control device 20 will be described with reference to FIG. 2A is an explanatory diagram of a front panel of the control device 20, and FIG. 2B is an explanatory diagram of a rear panel of the control device 20. As shown in FIG. 2A, on a front panel of the control device 20, a numeric keypad 21 having 0 to 9 buttons for inputting a music selection number of a music to be selected and the like is provided.
And a music selection button 22 for confirming the music selection. A music selection number display 23 is provided on the numeric keypad 21 for displaying the music selection number of the selected music by six digits. I have.

On the left side of the song selection number display 23, there is provided a reserved song number display 24 for displaying the number of songs reserved for performance by LED, and below that, the reservation is canceled. Button 25, a performance stop button 26 for stopping the performance, a re-song button 27 for singing again from the beginning while singing, and an interrupt button 28 for interrupting and reserving between the reserved songs. Is provided. Further, a light receiving unit 38 for receiving an optical signal transmitted from the transmitter 70 is provided at the upper left of the front panel, and a power button 39 for turning on the power of the control device 20 is provided at the lower left. .

On the right of the numeric keypad 21, a flat key 29 for lowering the key and a standard key 3 for standardizing the key are provided.
A vocal button 32 for setting the volume of the vocal melody line and a 2 chorus cut button 33 for playing up to the second chorus are provided below the keys. And a back play cut button 34 for cutting the back play part of the music. Further, below the buttons, a karaoke switching button 35 for switching between a karaoke mode for reproducing a tune for karaoke and a BGM mode for reproducing a tune for BGM is input via the LAN line 15. An input switching button 36 for switching data from song data to a cable broadcast, a television broadcast, or the like;
And a service button 37 for switching the display to the display of service information provided by a karaoke box or the like.

As shown in FIG. 2B, the back panel of the control device 20 includes a server 1 provided in the management room.
A communication terminal 40 for connecting the LAN line 15 for communicating with the communication terminal (see FIG. 4) is provided.
On the right side of FIG. 5, an audio output terminal 41 connected to an audio input terminal (not shown) of the amplifier 16, a video output terminal 42 connected to a video input terminal (not shown) of the monitor 12, and a video An image output terminal 43 connected to an input terminal (not shown) is provided.

Next, the configuration of the transmitter 70 will be described with reference to FIG. Above the transmitter 70, there is provided a music selection number display section 71 for displaying the music selection numbers on a liquid crystal with a backlight, and below it, a karaoke switching button having the same function as the karaoke switching button 35 of the control device 20. A button 72, an external video button 73 having the same function as the input switching button 36 of the control device 20, and a game button 74 for switching to a state of playing a video game are provided. Below these buttons, a clapping button 75 for setting to reproduce the sound of applause or cheers after the music is played or after the performance of the music is completed, a flat key 76 same as the control device 20, a sharp key 77, Below these, there are provided a numeric keypad 78, a music selection button 79, a performance stop button 80, a re-song button 81, a cancel button 82, and an interrupt button 83, which are the same as those of the control device 20. ing. Further, to the right of the interrupt button 83, a minus button 84 for decreasing the volume of the vocal melody and a plus button 85 for increasing the volume are provided.

Next, the structure of the music data will be described with reference to FIGS. FIG. 4A is an explanatory diagram showing the configuration of song data, and FIG. 4B is an explanatory diagram showing a partial configuration of MIDI data as sound designation information included in the song data. (C) shows the MID shown in FIG.
FIG. 7 is an explanatory diagram of MIDI data in which data indicating a vocal track in I data has been changed. FIG. 5 is an explanatory diagram showing a part of the address of a MIDI sound source that generates a music signal as sound information. As shown in FIG. 4A, the music data 100 includes MIDI data 110 as sound designation information constituting a performance portion of the music, lyrics data 120 constituting a lyrics telop, and genre data 130 for specifying the genre of the music. Etc. Also, MIDI
As shown in FIG. 1B, the data 110 includes MIDI data (hereinafter, referred to as vocal track data) 112 forming a vocal track, and MIDI data (hereinafter, performance data) forming a performance portion other than the vocal track. 114).

Further, the address of the MIDI sound source is shown in FIG.
As shown in the figure, the lead guitar is A, the bass guitar is B,
C is set for an acoustic piano, D is set for a keyboard, and E is set for a drum. The sound intensity is set to five levels from level 1 (weak) to level 5 (strong). Therefore, the MIDI data 1 shown in FIG.
In FIG. 10, the vocal track data 112 includes data V indicating a vocal track, data B indicating an address of a sound source that emits a sound of a bass guitar, a data note ON indicating that a sound is to be emitted, and sound intensity. L indicating that the level is the lowest level 1 among the five levels
1 and 1. The performance data 114 is
Data A to D indicating the address of the MIDI sound source
, A data note ON, and data L3 indicating the sound intensity. That is, the vocal track of the song data 100 is played on the bass guitar, and
To N instruments.

Next, the configuration of the control system of the control device 20 will be described with reference to FIG. The control device 20 includes a CPU 44 that executes the above various controls according to programs. This C
The PU 44 has a RAM 4 for temporarily storing data transmitted from the transmitter 70, song selection number data indicating the song selection number of the selected song, song selection number data of the reserved song, and the like.
5 is connected to a ROM 46 storing a program executed by the CPU 44 and the like.

The CPU 44 includes monitors 12, 14
RAM 61 in which video data for displaying a video indicating a song selection number or the like is stored.
A LAN board 51 for receiving the music data 100 via the N line 15 and the communication terminal 40;
1 is connected to the RAM 62 for temporarily storing the music data 100 received. An Ethernet address is stored in a communication control IC (not shown) on the LAN board 51, and the Ethernet address is used for identifying a karaoke apparatus to which the server 1 should transmit the music data 100.

Further, the CPU 44 stores the M of the address C
A RAM 47, which is a designation information storage means in which MIDI data C for designating an IDI sound source, is connected. The MIDI data C stored in the RAM 47 is BG
When the mode is switched to the M mode, it is used to change the data B constituting the vocal track data 112 to the data C. Also, the CPU 44 stores the MID included in the music data 100 in accordance with the count of the timer 55.
MIDI sound source 54 serving as sound information storage means
A sequencer 53 that performs control to write data into the audio source and a voice control circuit 52 that inputs a music signal output from the MIDI sound source 54 and converts the music signal into a signal that can be amplified by the amplifier 16 are connected.

Further, the CPU 44 has a CD-ROM player 6 for reproducing a CD-ROM on which a background image is recorded.
0 and the background video data read from the CD-ROM player 60 and the lyric data 120 included in the music data 100 read from the RAM 62.
As shown in FIG. 9, the images displayed on 2, 14
A video control circuit 5 for creating a video in which the lyrics telop 202 is superimposed in the background video 200 or changing the color of the lyrics telop 202 as the music progresses.
6 are connected.

The CPU 44 has a conversion circuit 5 for converting an optical signal received by the light receiving section 38 into a digital signal.
7, an LED that lights up when various buttons provided on the front panel of the control device 20 are pressed, a music selection number display 23
A display circuit 58 for outputting a display signal to the reserved music piece number display 24 and an input circuit 59 for inputting a switching signal generated when the various buttons are pressed are connected. The audio control circuit 52, sequencer 53, timer 55, audio output terminal 41, amplifier 16, speaker 11,
The speaker 11 and the speakers 13 correspond to the playing means of the present invention.

Next, when the mode is switched from the karaoke mode to the BGM mode, the contents of control executed by the CPU 44 to change the sound of the instrument playing the vocal track to the sound of another instrument will be described with reference to FIGS. This will be described with reference to FIG. Fig. 7 shows the CP from the selection of a song until the song is played.
It is a flowchart which shows the main routine of U44,
FIG. 8 is a flowchart showing the contents of the BGM reproduction control executed in step 190 shown in FIG.

First, a series of operations of the karaoke apparatus 10 will be described with reference to FIG. First, the karaoke device 1
When the user 0 presses the power button 39 of the control device 20 to turn on the power supply of the control device 20, the power supplies of the monitors 12, 14 are turned on in conjunction therewith. And the transmitter 7
When the numeric keypad 78 corresponding to the music selection number of 0 is pressed, the number corresponding to the numeric keypad 78 is displayed each time the key is pressed.
1 and 23 are sequentially displayed. Subsequently, when the user presses the music selection button 79 after pressing the last numeric keypad 78, it is determined that the music selection has been completed (step 100), and a request signal requesting transmission of the music data 100 of the selected music is sent to the LAN line. 15 to the server 1 (step 120).

Then, the server 1 retrieves and reads out the music data 100 corresponding to the music selection number indicated by the request signal from its own HDD 2, and reads the read music data 100 via the LAN line 15 to the control device. 20 (step 140), and storage in the RAM 62 is started (step 160). Then, the song data 10
When the storage of 0 in the RAM 62 is completed, the music data 100 is read from the RAM 62 (step 180), and it is determined whether the karaoke switch button 72 or the karaoke switch button 35 has been pressed to switch to the BGM mode. (Step 182).

If the mode is not switched to the BGM mode, the MID of the read music data 100
The I data 110 is taken into the sequencer 53 and written into the MIDI sound source 54 according to the count of the timer 55. The music signal output from the MIDI sound source 54 is output to the audio control circuit 52 and is converted into a music signal that can be amplified by the amplifier 16. The converted music signal is output from the audio output terminal 41 to the audio input terminal of the amplifier 16, and after being amplified, is output to the speakers 11, 11 and the speakers 13, 13, and is reproduced by both speakers (step). 200).

On the other hand, a background video of a genre corresponding to the genre data 130 included in the read music data 100 is randomly selected and reproduced by the CD-ROM player 60, and the background representing the reproduced background video is displayed. The video signal is input to the video control circuit 56. The lyrics data 120 included in the music data 100 is input to the video control circuit 56 and is converted into a lyrics telop signal that can be displayed on the monitors 12 and 14. Then, as shown in FIG. 9, the lyrics telop 202 is displayed in a superimposed form in the background video 200 (step 20).
0).

That is, the user looks at the background video 200 and the lyrics telop 202 displayed on the screens of the monitors 12 and 14 of the music selected by the user,
You can sing (karaoke) through 18. Then, the reproduction of the music ends (step 220), and if the reserved music selection number data is stored in the RAM 45 (step 240), the music selection number data is read out (step 260), and the above-mentioned steps 100 to Step 420 is performed.

Next, the control contents of the CPU 44 when the mode is switched to the BGM mode will be described with reference to FIG. Here, it is assumed that the sound of the instrument of the vocal track V is changed from the bass guitar to the acoustic piano, and the sound of the acoustic piano generated from the MIDI sound source at the address C is the bass guitar generated based on the MIDI sound source at the address B. The melody should be easier to hear than the sound of.

If the mode has been switched to the BGM mode, an affirmative determination is made in step 182, and
A reproduction process is executed (Step 190 in FIG. 7). In the BGM reproduction process, if the MIDI data 110 of the music data 100 read in step 180 is not end data indicating the end of the MIDI data 110 (step 191 in FIG. 8), it is determined whether the MIDI data 110 is musical instrument designation data. Is performed (step 192). Here, if the data is musical instrument designation data, it is determined whether the musical instrument designation data is vocal track data 112 (step 193).
The musical instrument designating data C is read from 47, and as shown in FIG. 4C, the musical instrument designating data B is changed to the musical instrument designating data C (step 194). The data L1 indicating the sound intensity of the vocal track data 112 is level 4
Is changed to data L4 designating the intensity of the sound (step 194).

The MIDI data 110 contains the MID
When being written to the I sound source 54, the changed instrument designation data C of the vocal track data 116 is written to the MIDI sound source at the address C, and the vocal track is
It is played with the sound of an acoustic piano at the level 4 sound intensity. As described above, the karaoke apparatus 10 of the present embodiment
According to this, when the mode is switched to the BGM mode, the sound of the vocal track of the music can be changed from the bass guitar to the acoustic piano, so that it is possible to realize a BGM performance in which the melody of the vocal track is easy to hear.

In the above embodiment, the case where the sound of the vocal track of the music is changed from the bass guitar to the acoustic piano has been described. However, by changing the instrument designation data stored in the RAM 47, the sound of other instruments can be changed. Alternatively, it can be easily changed to a sound effect. In addition, a plurality of types of musical instrument designation data are stored in the RAM 47, and a button for selecting desired musical instrument designation data is provided in the transmitter 70 or the control device 20, and the button is operated to operate the BGM. The sound of the vocal track can be changed to a desired sound. In this case, the transmitter 70 determines which sound has been changed.
It can also be displayed on the control device 20, or on the monitors 12, 14, etc.

Step 182 executed by the CPU 44 and steps 191 through 1
Step 94 functions as sound designation information changing means of the present invention, and step 194 functions as sound designation information rewriting means.
Steps 100 to 180 and steps 200 to 260 function as karaoke means.

[0037]

As described above, according to the present invention, when music data is played back as BGM, the sound for reproducing the main melody is changed to another sound, thereby realizing a tone reproducing apparatus in which the main melody can be easily heard. can do.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating the appearance of a karaoke apparatus according to an embodiment of the present invention.

FIG. 2A is an explanatory diagram of a front panel of a control device provided in the karaoke apparatus, and FIG. 2B is an explanatory diagram of a rear panel of the control device.

FIG. 3 is an explanatory diagram of a transmitter provided in the karaoke apparatus.

4A is an explanatory diagram showing a configuration of music data, FIG. 4B is an explanatory diagram showing a partial configuration of MIDI data included in the music data, and FIG. FIG. 9B is an explanatory diagram of MIDI data in which data indicating a vocal track in the MIDI data shown in FIG.

FIG. 5 is an explanatory diagram of an address of a MIDI sound source.

FIG. 6 is a block diagram illustrating a configuration of a control system of the control device.

FIG. 7 is a flowchart showing a main routine of the CPU 44 from music selection to performance of a music piece.

8 is a flowchart showing the contents of BGM reproduction control executed in step 190 shown in FIG.

FIG. 9 is an explanatory diagram showing a background video and lyrics telop displayed on a monitor 12;

[Explanation of symbols]

 Reference Signs List 10 Karaoke device 11, 13 Speaker 12, 14 Monitor 15 LAN line 16 Amplifier 17, 18 Microphone 20 Control device 44 CPU 52 Voice control circuit 54 MIDI sound source 56 Video control circuit 70 Transmitter 100 Song data 110 MIDI data 112 Vocal track data 114 Performance data

Claims (3)

[Claims] 1. A musical sound reproducing apparatus for reproducing music information in which a main melody of a music and a melody other than the main melody are constituted by a musical sound by sound specifying information for specifying a sound to be reproduced, wherein the musical information is designated by the sound specifying information. Sound information storage means for readablely storing sound information indicating a sound to be played; inputting the music information; and specifying the main melody of the input music information and sound specifying information constituting a melody other than the main melody. Playing means for playing the music by sequentially reading and outputting sound information indicating a sound from the sound information storage means, and converting the output sound information into a sound indicated by the sound information. In the musical sound reproducing device, the sound designation information constituting the main melody of the input music information is changed to another sound designation information indicating a sound different from the sound indicated by the sound designation information. A tone reproducing apparatus comprising a sound designation information changing means. 2. A karaoke means for performing karaoke by playing a singing voice inputted to a microphone together with the performance of the music, a karaoke mode for performing karaoke by the karaoke means, and the music as BGM without performing karaoke. Mode switching means for switching to a BGM mode for playing, wherein the sound designation information changing means comprises a sound constituting a main melody of the music information when the mode switching means switches to the BGM mode. 2. The musical sound reproducing apparatus according to claim 1, wherein the designation information is changed to other sound designation information indicating a sound different from the sound indicated by the sound designation information. 3. The sound designation information changing means includes: designation information storage means for storing the other sound designation information; and sound designation information constituting a main melody of the input music information in the designation information storage means. 3. The musical sound reproducing apparatus according to claim 1, further comprising: sound designation information rewriting means for rewriting the stored other sound designation information.