JP2003099070A - Music information distributing device and program for distributing music information - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a music information distributing device which can smoothly distribute music information to all client PC's even when the client PC's to which the music information should be distributed is large and a program for distributing the music information. SOLUTION: When 1st request information including a connection request is sent from a client terminal to a server computer 102, music which is already transmitted to all the client terminals having made connection requests and reproduced by none of the client terminals is selected out of pieces of music registered in a music selection list L2, music information corresponding to the selected music is selected from a music information database DB, and after reproduction start time is added to each piece of selected music information, they are distributed to the client terminal having outputted the 1st request information.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a music information distribution device for distributing music information via a communication line and a program for distributing music information.

[0002]

2. Description of the Related Art As a music information distribution device for distributing music information via a communication line, a music site storing a plurality of music information is constructed on a server computer, and predetermined music information is transmitted from a client PC (personal computer). It has been known that the music information corresponding to the distribution request is distributed to the client PC when the distribution request is received.

However, in such a music information distribution apparatus, when it is desired to continuously listen to a plurality of music pieces on the client PC side, it is necessary to make one distribution request for each music piece information. It was annoying for the person. In other words, in the above music information distribution device, it is not easy to continuously reproduce an appropriate music like BGM on the client PC side.

In order to deal with this, the applicant of the present application has proposed in Japanese Patent Application No. 2001-194604 that all client PCs (devices) connected via a communication line are
A music information distribution device has been proposed in which music information is continuously distributed from the time when each client PC is connected.

[0005]

However, in the above-mentioned conventional music information distribution apparatus, when the number of client PCs to which the music information should be transmitted is large, the communication line becomes congested when the music information is transmitted, and There was a possibility that the music information could not be smoothly transmitted to the client PC.

The present invention has been made in view of this point, and even if the number of client PCs to which the music information should be transmitted is large, the music information can be smoothly transmitted to all the client PCs. It is an object of the present invention to provide a music information distribution device and a program for distributing music information.

[0007]

In order to achieve the above object, a music information distribution device according to claim 1 distributes music information to a plurality of music information receiving devices connected via a communication line. Which is a music information distribution apparatus for accepting a distribution request of music information performed by each music information receiving apparatus, a storage means for storing a plurality of music information, and a plurality of the stored music information. From the music information receiving device that has made a distribution request when the distribution request is accepted by the accepting device, And a distribution means for collectively distributing the plurality of selected pieces of music information.

Further, in order to achieve the above-mentioned object, claim 3
The music information distribution device described in 1. is a music information distribution device that distributes music information to a plurality of music information receiving devices connected via a communication line, and each music information receiving device performs the music information distribution device. Receiving means for receiving a distribution request of music information, storage means for storing a plurality of music information, and selecting a plurality of music information to be distributed to each music information receiving device from the stored music information When there are a plurality of music selection means and a plurality of music information receivers that have received the distribution request accepted by the acceptance means, the plurality of music information receivers are divided into a plurality of groups, and each divided group is different. And a distribution unit that selects and distributes at least one piece of music information to be distributed from the plurality of selected pieces of music information at different timings.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a block diagram showing a schematic configuration of a music information distribution system including a music information distribution device according to an embodiment of the present invention. As shown in the figure, the music information distribution system according to the present embodiment has at least one server computer (music information distribution device) 10 connected to a communication network including both wired communication and wireless communication.
2, a plurality of client PCs (personal computers) 0 and 103, a client portable terminal 103 ',
It is composed of a relay server 102 '. In the present embodiment, the client PC and the client portable terminal (hereinafter, these are collectively referred to as “client terminal”).
On the (music information receiving device) side, the network browser software is started, and the server computer 10
By transmitting the first request information including the connection request to 2, the music information provided by the server computer 102 is received and reproduced by the client terminal.
A client / server system is assumed. Of course, this system configuration is only an example, and the number of client terminals, the number of server computers and relay servers,
The number is not limited to the number in the illustrated example.

The server computer 102 mainly
A music information distribution site that distributes music information to client terminals is provided, and in the music information database, a plurality of music information including various information for reproducing music by a tone generator circuit of the client terminal to be described later is stored. is doing.

The relay server 102 'is connected to the client portable terminal 103' via a wireless line, and
It is connected to the server computer 102 via a wired line and relays data transmission / reception between the client portable terminal 103 ′ and the server computer 102. In the present embodiment, the relay server 102 'is directly connected to the server computer 102, but not limited to this, it may be indirectly connected via a communication network.

Further, in this embodiment, the client P
C0 and 103 are assumed to be ordinary general-purpose PCs, and the client portable terminal 103 'is assumed to be a portable general-purpose PC or mobile phone.

FIG. 2 is a block diagram showing the detailed arrangement of the client PC 0.

As shown in the figure, the client PC 0
Is mainly a keyboard 1 for inputting character information, a mouse 2 which is a pointing device, and a keyboard 1.
A key operation detection circuit 3 for detecting the operation state of each key of
Mouse operation detection circuit 4 for detecting the operation state of the mouse 2
A CPU 5 that controls the entire apparatus; a ROM 6 that stores a control program executed by the CPU 5 and various table data; a RAM 7 that temporarily stores performance data, various input information and calculation results; Timer 8 for measuring interrupt time and various times in interrupt processing
And a display device 9 for displaying various information, such as a large liquid crystal display (LCD) or CRT (Cathode RayTube) display and a light emitting diode (LED), and a floppy disk (F
D) a floppy (registered trademark) disk drive (FDD) 10 for driving, and a hard disk drive (HDD) 11 for driving a hard disk (not shown) storing various application programs including the control program and various data. , A compact disc for storing various application programs including the control program and various data-read only
CD-RO that drives the memory (CD-ROM) 21
M drive (CD-ROMD) 12 and MI from the outside
MI for inputting DI (Musical Instrument Digital Interface) signals and outputting MIDI signals to the outside
Via the DI interface (I / F) 13 and the communication network 101, for example, the server computer 10
2 communication interface (I /
F) 14, a tone generator circuit 15 for converting performance data input from the keyboard 1 or previously recorded performance data into a tone signal, and an effect circuit for giving various effects to the tone signal from the tone circuit 15. 16 and the tone signal from the effect circuit 16 is converted into sound, for example, a DAC (Digi
tal-to-Analog Converter), a sound system 17 such as an amplifier and a speaker.

The above components 3 to 16 are connected to each other via a bus 18, and a timer 8 is connected to the CPU 5.
Another MIDI device 100 is connected to the MIDI I / F 13, a communication network 101 is connected to the communication I / F 14, an effect circuit 16 is connected to the tone generator circuit 15, and a sound system 17 is connected to the effect circuit 16. ing.

In the present embodiment, the tone generator circuit 15
As its name suggests, it is composed entirely of hardware, but it is not limited to this, and it may be composed of a part of software and the remaining part may be composed of hardware, or it may be composed entirely of software. May be.

As described above, the hard disk of the HDD 11 can also store the control program executed by the CPU 5, and if the control program is not stored in the ROM 6, the control program is stored in the hard disk and stored in the hard disk. ROM by reading to RAM7
The CPU 5 can be caused to perform the same operation as when the control program is stored in 6. By doing so, it is possible to easily add or upgrade the control program.

The communication I / F 14 is, for example, a LAN (Loca).
Area Network), the Internet, a telephone line, or the like, and is used for downloading programs and parameters from the server computer 102 via the communication network 101.

The client PC 103 is also a general-purpose PC similar to the client PC 0 as described above in this embodiment.
Since C is used, the configuration is also the same as the above client P.
It may be similar to C0.

Further, the client portable terminal 103 'is
In the present embodiment, as described above, in order to exchange data with the relay server 102 'via the wireless line, it is necessary to have at least a wireless communication interface, and in addition, since it is a mobile terminal, it is lightweight. There is a need. Therefore, as the client portable terminal 103 ', the mouse 2, the mouse operation detection circuit 4, the FDD 10, the CD-ROMD 12 are added to the client PC 0 described above.
Also, it is only necessary to use the remaining elements obtained by deleting the MIDI I / F 13 and the communication I / F 14 that can access the wireless line. When the client mobile terminal 103 'is a mobile phone, the keyboard 1 is used in the configuration of the client mobile terminal 103'.
The display device 9 may be integrally formed on the panel surface.

Further, since the server computer 102 does not have to have a special configuration in this embodiment, it may have the same configuration as the client PC0. However, since the server computer does not make it necessary to generate a musical sound, the tone generator circuit 15,
The effect circuit 16 and the sound system 17 may be deleted and configured.

The control process executed by the music information distribution system configured as described above will first be outlined with reference to FIGS. 3 and 4, and then with reference to FIGS. The details will be described.

On the client terminal side, the following three types of processing are performed as processing relating to the present invention. That is, (1) a process of transmitting first request information including a connection request to the server computer 102 (2) receiving the music information distributed from the server computer 102 in response to the connection request of (1), Reproducing Process (3) This is a process of transmitting the second request information including the termination request to the server computer 102.

FIG. 3 is a block diagram showing the respective functional configurations of the server computer and the client terminal which constitute the music information distribution system of this embodiment.

In the figure, when the process (1) is performed on the client terminal side, the request instruction block B1 outputs a request instruction for making a connection request to the server computer 102. This request instruction is supplied to the transmission / reception block B2, and in response thereto, the transmission / reception block B2.
From 2, the first request information including the connection request is output.
Here, the first request information includes the server computer 102.
In addition to the connection request for, the user ID of the client terminal, the address on the communication network 101, and the like are included.

The first request information is the server computer 10
It is supplied to the transmission destination determination block B11 via the transmission / reception block B12 on the second side. In the transmission destination determination block B11, the user ID and the address are read from the supplied first request information and registered in the transmission list L1.
FIG. 4A is a diagram showing an example of the transmission list L1.
As shown in the figure, in the transmission list L1, the user IDs and addresses of the client terminals are registered in the order in which connection requests are output to the server computer 102.

The user ID is used when determining whether or not the client terminal can access the server computer 102. That is, a user ID is issued to a client terminal that can access the server computer 102, and only the client terminal that owns this user ID can access the server computer 102. Therefore, in practice, it is determined whether or not the access from the client terminal is permitted according to whether or not the user ID of the client terminal is the user ID issued by the administrator of the server computer 102, and the access is performed. The user ID and the address of only those permitted to be registered in the transmission list L1.

Sending list L of user ID and address
When registered in No. 1, a plurality of songs satisfying a predetermined condition are selected from the plurality of songs registered in the song selection list L2 for the client terminal, and the selected song is selected by the reproduction (read) block B13. Song information is read from the song information database DB, and the transmission / reception block B
A transmission / reception block B on the client terminal side via 12
2 is sent.

FIG. 4B is a diagram showing an example of the music selection list L2. As shown in FIG.
For each music of the selected music, the music title, the reproduction start time, the reproduction end time, and information about whether or not the music has been transmitted are registered. As the song name, when the song information is selected from the song information database DB, the name included in the song information is registered as it is. Since the reproduction start time and the reproduction end time are not included in the selected music information, that is, since the selected music information only includes the reproduction time length, the one calculated from this reproduction time length is used. register. Whether or not it has been transmitted is determined by whether or not "○" is attached. That is, the music information of the music marked with "○" means that the transmission to all connected client terminals has been completed, and the music without "○" is marked (unmarked). For music information of
It means that the transmission has not been completed to any of the connected client terminals.

The above-mentioned predetermined condition is that the songs registered in the song selection list L2 have been transmitted (marked with "○") except for the first song. Figure 4 (b)
In the above example, the song satisfying this condition is one song 125, and this song is transmitted as initial information to the client terminal newly connected. Actually, the target client terminal has the music being reproduced (in the music selection list L2,
The music information of a plurality of music pieces is transmitted except for the music piece registered at the head), and thus there are a plurality of music pieces that satisfy this condition, as described above.

The plurality of pieces of music information transmitted to the transmission / reception block B2 in this way are subjected to the processing of (2) above.
It is stored in the temporary storage block B3. Here, at least the calculated reproduction start time is added to each piece of music information when it is output from the reproduction block B13, and the reproduction start time is also stored in the temporary storage block B3 together with the music information. To be done. In the client terminal, a clock function is formed by the timer 8 and the present time can be known by this clock function. Then, in the client terminal, the current time and the reproduction start time of each piece of music information stored in the temporary storage block B3 are constantly compared with each other, and when both match, the reproduction of the music information is started.

In the present invention, since the data format of the music information is not a problem, any data format such as audio data or MIDI data may be used as the music information. However, it goes without saying that the reproducing method differs depending on the data format of the music information.

As described above, when the client terminal is newly connected, the music information for a plurality of music pieces is transmitted as the initial information only to the client terminal, so that the communication network is congested. Can be eliminated.

As described above, when the first request information is output from the client terminal, the distribution process performed by the server computer 102 for the client terminal causes the client terminal to output a plurality of pieces of music information. It is an outline of the reproduction processing to be performed.

Next, a process in which the server computer 102 distributes one piece of music information to a client terminal which has already been played back will be described.

In the server computer 102 as well, a timer function is formed by a timer similar to the timer 8, and the present time can be known by this clock function.
Also in the server computer 102, the current time is always compared with the reproduction start time of the music piece to be reproduced next, which is registered in the music selection list L2, and when both match, the reproduction block B13 sets the music selection list L2. Of the registered songs that have not been sent to the client terminal (the songs that are not marked with "○"), the song information of the oldest selected song (registered) is read from the song information database DB, and the playback is started. After adding the time, it is transmitted to the target client terminal. As described above, when the music information is transmitted to all the client terminals that are the destinations, only the music information for one music is transmitted, so that the congestion of the communication network can be eliminated.

When there are many target client terminals, the client terminals are divided into a plurality of groups, and the target music information is transmitted at different timing for each group. The transmission timing of the target music information will be described later. In this way, since the music information is distributed over a plurality of times, the congestion of the communication network can be eliminated.

When the process (3) is performed on the client terminal side, the request instruction block B1 outputs a request instruction for making an end request to the server computer 102. This request instruction is supplied to the transmission / reception block B2, and accordingly, from the transmission / reception block B2,
The second request information including the end request is output. Here, the second request information includes at least one of the user ID and the address of the client terminal in addition to the termination request to the server computer 102.

The second request information is the server computer 10
It is supplied to the transmission destination determination block B11 via the transmission / reception block B12 on the second side. In the destination determination block B11, the user ID or address is read from the supplied second request information, and the corresponding user ID and address are deleted from the transmission list L1.

When the user ID and address are deleted from the transmission list L1 in this manner, the music information to be distributed next is not distributed to the client terminal having the deleted user ID and address.

Next, the above control processing will be described in detail.

FIG. 5 is a flow chart showing the procedure of a main routine executed by the client terminal, for example, the client PC 0, especially the CPU 5, which constitutes the music information distribution system of this embodiment. This main routine is
When the connection to the music information distribution site on the server computer 102 is requested by activating the network browser software on the client terminal, that is, when the network browser software accesses the music information distribution site. It started and continues to operate all the time until the connection to the music information distribution site is completed.

In FIG. 5, first, the first request information including the connection request is transmitted to the server computer 102, and the reproduction process is started (step S).
1).

Next, the music information received from the server computer 102 is stored in the temporary storage area (step S
2). Although not described here, whether or not new music information is received from the server computer 102 is regularly (for example, predetermined (specifically, every 15 msec)).
Only when the reception of new music information is confirmed (when the transmission / reception block B2 receives new music information), the step S2 is performed.
The process of is executed.

Next, it is determined whether or not the end of access is instructed (step S3). When the end of access is not instructed, the process of step S2 is continued while the end of access is instructed, while the end of access is instructed. When the end is instructed, the second request information including the end request is transmitted to the server computer 102, and the reproduction process is ended (step S4), and then the main routine is ended. Here, the second request information includes, in addition to the end request, the user ID of the client PC 0 or the address on the communication network 101.

FIG. 6 is a flow chart showing the procedure of the reproduction process executed by the client PC 0. This reproduction processing is composed of timer interrupt processing which is started and executed in response to an interrupt signal generated at every predetermined time. The predetermined time differs depending on the type of music information to be reproduced. The music information to be reproduced is, for example, MI
If it is composed of DI data, it will be
It is one cycle of a reference clock (MIDI clock) for reproducing data. It should be noted that the main reproduction process is continuously operating during the operation of the main routine shown in FIG. However, the constant operation referred to here means that the constant operation is interrupted. That is, it means that the interrupt permission is not released while the main routine is operating.

In FIG. 6, first, the music is reproduced according to the music information to be reproduced this time (step S11). As described above, since the music information received from the server computer 102 includes the information indicating the time at which the reproduction of each music should be started, the client PC 0 is clocked by the timer 8. When the current time reaches the reproduction start time of the music, the reproduction of the music is started. When the music information is MIDI data, the reproduction of the music means, specifically, reading out event data for producing or muting a musical sound or voice at the timing of producing or muting the sound, and transmitting it to the tone generator circuit 15. In this process, the musical sound or voice is pronounced or muted.

Next, when the reproduction is completed, the music information is deleted from the temporary storage area (step S12), and the reproduction process is completed.

FIG. 7 is a flow chart showing the procedure of the main routine executed by the server computer 102. When the server computer 102 is powered on,
This main routine is started, and this main routine is always started until it is instructed to end it. Further, while the main routine is being activated, the transmission start process, which will be described later with reference to FIG. 8, is also in the operating state as the timer interrupt process.

In FIG. 7, first, it is determined whether or not a new connection request is received (step S21), and when a new reception request is received, each processing of steps S22 to S24 is executed while a new connection request is received. When the reception request is not received, steps S22 to S24 are skipped and the process proceeds to step S25.

In step S22, the music selection list L2
From the, the music whose playback has not started yet is detected. In addition, in the present embodiment, as described above, the remaining songs except those not marked with "○" are excluded from the songs that have not been started to be played (in other client terminals that are already connected). A plurality of songs that have been transmitted are detected. Of course, the present invention is not limited to this, and it is also possible to simply detect, from the song selection list L2, all the songs that have not yet been reproduced. In this case, the information indicating whether or not it has been transmitted (“◯”) does not make much sense, so it may be deleted from the song selection list L2. In this way, when the information indicating whether or not it has been transmitted is deleted from the music selection list L2, in order to detect music that has not been started to be reproduced, the reproduction start time of all the music registered in the music selection list L2 is detected. And the current time may be sequentially compared with each other to detect a song whose reproduction start time has not reached the current time.

In the following step S23, step S22
The music information of the music detected in step 2 is transmitted as initial information (music for stock at the client terminal) to the newly connected client terminal. Here, as the music information, among the music information to be reproduced in the future described in the music selection list L2, a plurality of reproduction times close to the current time are selected and transmitted.

Then, in step S24, the user ID and address of the new client terminal are added to the transmission list L1. Since the user ID and the address are included in the first request information as described above, they are read and registered in the transmission list L1 as they are.

Next, in step S25, it is determined whether or not a new end request is received, and when the new end request is received, the processes of steps S26 and S27 are executed while the new end request is issued. If not received, this main routine is ended.

In step S26, the user ID of the client terminal that transmitted the end request is transmitted from the transmission list L1.
And remove the address. This user ID and address are
As described above, since it is included in the second request information, it is read and the user ID and address that match this are deleted from the transmission list L1.

In the following step S27, the user of the client terminal is charged with the fee recorded in the fee list (not shown) of the user. Here, the charging is performed using a well-known method such as a credit card, bank transfer, postal transfer, and electronic money.

FIG. 8 is a flow chart showing the procedure of the transmission start process. This transmission start process is constituted by a timer interrupt process which is activated and executed in response to an interrupt signal generated at every predetermined time. This predetermined time is
For example, the time corresponding to the minimum resolution of the clock, that is, 1 second.

In FIG. 8, first, it is determined whether or not there is a song whose playback start time matches the current time (playback start song) in the song selection list L2 (step S31). While each processing of steps S32 to S36 is executed, when there is no reproduction start music, this transmission start processing is immediately ended.

In step S32, the reproduction time length of the reproduction start music piece is calculated. Specifically, the reproduction time length is calculated by calculating the time length between the reproduction end time of the reproduction start music and the current time.

In step S33, the total number of client terminals is detected from the transmission list L1 and the number of transmissions is determined from the total number of detected client terminals. That is, the transmission of music information to each client terminal is performed by dividing all client terminals to be transmitted into a plurality of groups, and dividing each group. That is, the “number of transmissions” corresponds to the number of divided groups.

In step S34, the transmission timing is determined from the calculated reproduction time length and the determined number of transmissions. That is, the transmission timing is determined so that the music information to be transmitted this time can be transmitted to all client terminals before the reproduction of the newly reproduced music is completed. The transmission timing determined in this way is used as the activation timing (interrupt signal generation timing) of the transmission processing (timer interrupt processing) described later with reference to FIG.

In step S35, the transmission process is activated. Here, since the transmission process is formed by the timer interrupt process as described above, the activation of the transmission process is to permit the generation of the interrupt signal.

In step S36, one piece of music information (target music) to be transmitted is determined. In the song selection list L2, as described above, the song name of the song currently being played, the playback start time and the playback end time, and the song names of a plurality of unplayed songs, the playback start time and the playback end time are registered, further,
For each musical tone information, information indicating whether or not each musical tone information has been transmitted to the client terminal (the music information marked with "○" has already been transmitted to the client terminal and is marked with "○"). No music information has not been transmitted to the client terminal). Therefore, as the target music, among the untransmitted music, the music having the earliest reproduction start time, that is, the music selected as the oldest music and registered in the music selection list L2 is determined.

FIG. 9 is a flowchart showing the procedure of the transmission process. The present transmission process is constituted by a timer interrupt process which is activated and executed according to the transmission timing determined in step S34.

In FIG. 9, it is determined whether or not there is a group to which the target music piece is not transmitted among the groups divided in step S33 (step S41).

In step S41, if there is a group to which the target music piece has not yet been transmitted, the music piece information of the target music piece is transmitted to the group to which this time should be transmitted (step S4).
2) On the other hand, when the target music piece is transmitted to all the groups, this transmission process is stopped (step S43).

FIG. 10 is a flow chart showing the procedure of the music selection list deletion / registration process. The main music selection list deletion / registration process is started and executed in response to an interrupt signal generated at every predetermined time (for example, a time corresponding to the minimum resolution of the clock, that is, 1 second), as in the transmission start process of FIG. The timer interrupt processing is performed.

In FIG. 10, it is determined whether or not there is a music piece whose reproduction end time matches the current time (reproduction end music piece) in the music selection list L2 (step S51), and when there is a reproduction end music piece, step S52. On the other hand, while each processing of S53 and S53 is executed, when there is no music to be reproduced, the main music selection list deletion / registration processing is immediately terminated.

In step S52, the information of the music to be reproduced, that is, its name and reproduction start time, is deleted from the music selection list L2, and in step S53, a new music is selected from the music information database DB and reproduction start time and The reproduction end time is determined and registered with the name in the music selection list L2.

A storage medium recording a program code of software that realizes the functions of the above-described embodiments is supplied to a system or apparatus, and the computer (or CPU 5 or MPU) of the system or apparatus stores the storage medium in the storage medium. It goes without saying that the object of the present invention can also be achieved by reading and executing the executed program code.

[0072]

As described above, according to claim 1 or 4,
According to the invention described in any one of the above, when the distribution request of the music information is received, the music information receiving apparatus that has made the distribution request is selected from the storage means that stores a plurality of music information. Since a plurality of pieces of music information are collectively distributed, that is, the music information is transmitted only to the client terminal that has made a distribution request, congestion of the communication line can be eliminated.

According to the second aspect of the invention, when the music information is transmitted to all the music information receiving devices to be transmitted, only one piece of music information is selected and delivered. Therefore, the congestion of the communication line can be eliminated.

Further, according to the invention as set forth in claim 3 or 5, when there are a plurality of music information receiving devices that have received the distribution request, the plurality of music information receiving devices are grouped into a plurality of groups. At least one piece of music information to be distributed is selected and distributed from a plurality of pieces of music information selected from a storage unit that stores a plurality of pieces of music information at different timings for each divided group. Since the musical tone information is distributed over a plurality of times, the congestion of the communication line can be eliminated.

[Brief description of drawings]

FIG. 1 is a block diagram showing a schematic configuration of a music information distribution system according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a detailed configuration of one client PC constituting the music information distribution system of FIG.

3 is a block diagram showing respective functional configurations of a server computer and a client terminal which constitute the music information distribution system of FIG.

FIG. 4 is a diagram showing an example of a transmission list and a music selection list of FIG.

5 is a flowchart showing a procedure of a main routine executed by one client terminal, particularly a CPU, which constitutes the music information distribution system of FIG. 1. FIG.

6 is a flowchart showing a procedure of a reproduction process executed by one client terminal which constitutes the music information distribution system of FIG.

7 is a flowchart showing a procedure of a main routine executed by a server computer which constitutes the music information distribution system of FIG.

8 is a flowchart showing a procedure of a transmission start process executed by a server computer which constitutes the music information distribution system of FIG.

9 is a flowchart showing a procedure of a transmission process executed by a server computer which constitutes the music information distribution system of FIG.

10 is a flowchart showing a procedure of a music selection list deletion / registration process executed by a server computer that constitutes the music information distribution system of FIG.

[Explanation of symbols]

102 server computer (music information distribution device) 0, 103 client PC (music information reception device) 103 'client portable terminal (music information reception device) B11 destination determination block (distribution means) B12 transmission / reception block (reception means, distribution means) B13 playback (read) block (distribution means) B14 music selection block (music selection means, determination means, control means) DB music information database (storage means) L1 transmission list (distribution means) L2 music selection list (music selection means, determination means, control means) )

Claims (5)

[Claims] 1. A music information distribution device that distributes music information to a plurality of music information receiving devices connected via a communication line, the music information distribution device performing music information distribution performed by each music information receiving device. Receiving means for receiving a distribution request; storage means for storing a plurality of pieces of music information; and music selection means for selecting a plurality of pieces of music information to be distributed to each of the music information receiving devices from the plurality of pieces of stored music information, When the distribution request is received by the reception unit, the distribution information distribution unit has a distribution unit that collectively distributes the plurality of selected pieces of music information to the music information receiving apparatus that has made the distribution request. Music information distribution device. 2. Discrimination means for discriminating the reproduction states of all of the plurality of pieces of music information distributed by the distribution means in all the music information receiving devices, and the distribution of music information by the judgment means. When it is determined that the reproduction of any of the above is completed, the music selection means is caused to select one piece of music information, and the selected music information is distributed to all the music information receiving devices. The music information distribution apparatus according to claim 1, further comprising a control unit that controls the unit. 3. A music information distribution device that distributes music information to a plurality of music information receiving devices connected via a communication line, the music information distribution device performing the music information processing performed by each music information receiving device. Receiving means for receiving a distribution request; storage means for storing a plurality of pieces of music information; and music selection means for selecting a plurality of pieces of music information to be distributed to each of the music information receiving devices from the plurality of pieces of stored music information, When there are a plurality of music information receiving devices that have received the distribution request received by the receiving means, the plurality of music information receiving devices are divided into a plurality of groups, and at different timings for each of the divided groups, Distributing means for distributing at least one piece of music information to be distributed from the plurality of selected music piece information, and distributing the music information. Location. 4. A program for distributing music information to a plurality of music information receiving devices connected via a communication line, the music information distribution performed by each music information receiving device. A reception procedure for receiving a request, a music selection procedure for selecting a plurality of pieces of music information to be distributed to each music information receiving device from a storage unit that stores a plurality of music information, and the distribution request is received by the reception procedure. A program for causing a computer to execute a distribution procedure for collectively distributing the selected plurality of pieces of music information to the music information receiving apparatus that has made the distribution request. 5. A program for distributing music information to a plurality of music information receiving devices connected via a communication line, the music information distribution performed by each music information receiving device. A reception procedure for receiving a request, a music selection procedure for selecting a plurality of pieces of music information to be distributed to each music information receiving device from a storage unit that stores a plurality of music information, and a distribution request received by the reception procedure When there are a plurality of music information receiving devices, the plurality of music information receiving devices are divided into a plurality of groups, and the plurality of music information selected are distributed at different timings for each divided group. A program for causing a computer to execute a distribution procedure of selecting and distributing at least one piece of music information.