JP2015114563A - Program and musical sound generation control method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a musical sound generation controller which plays back musical sound with successful sound irrespective of presence/absence of connection with an electronic musical device without requiring a troublesome setting operation.SOLUTION: An electronic piano 200 stores performance data 41 constituted of a plurality of pieces of demonstration data in a MIDI format. Audio data 31 to be downloaded to a communication terminal device with an application 30 includes a plurality of pieces of demonstration data in an audio format corresponding to the demonstration data in the performance data 41. When one icon is selected on an icon selection screen, and an audition start button is turned on, the demonstration data corresponding to the selected icon is played back. In that case, when both of the communication terminal device and the electronic piano 200 are communicably connected with each other, the performance data 41 is played back by a sound source 44 of the electronic piano 200, however, when both are not communicable, the audio data 31 is played back by the communication terminal device.

Description

  The present invention relates to a musical sound generation control technique in a musical sound generation control apparatus that can be communicably connected to an electronic music apparatus having a sound source and can reproduce audio data.

  Conventionally, an electronic music apparatus such as a high-end model electronic piano has an expensive sound source and sound system. Therefore, performance data such as MIDI data acquired by real-time performance or stored in advance can be made rich using a sound source and a sound system. For users who have not purchased such an electronic music device because they have not purchased it, it is considered that there is a demand for listening to a tone color demo or the like before purchase because they cannot hear the musical sound of the electronic music device.

  On the other hand, in a terminal device such as a personal computer, if the same MIDI data as that used for a demonstration performance is obtained by an electronic music device, it can be played back temporarily using a sound source provided in the terminal device.

Music Sequencer Software XGworks Family “Rakuraku Composition Master 2” Instruction Manual Yamaha Corporation, 2000, 16, 17, 30, 31, 40, 41

  However, the sound source provided in the terminal device is usually an inexpensive software sound source or the like, and is different from the sound source mounted on a high-class electronic piano. In MIDI data, the tone color is simply specified for the sound source by MIDI event data having the tone number as an argument. Therefore, if the designated sound source does not have a timbre that matches the sound source of the electronic music device, it will be sounded with an alternative timbre, which is different from the musical sound produced by the electronic music device. Therefore, it is difficult to realistically experience all the timbres that can be generated by the electronic music device using the terminal device.

  By the way, software that can designate a sound source for generating MIDI data in a terminal device or the like is known (Patent Document 1). In this software, for example, as a sound source used for reproduction, a sound source possessed by a terminal device or an external sound source connected via a MIDI interface can be selectively designated. Therefore, it is possible to designate the sound source of the electronic music apparatus as described above as the external sound source.

  However, if MIDI communication is interrupted due to disconnection of a cable or the like in a state where an external sound source is designated, no sound is generated as it is. In order to generate a musical sound when that state is reached, it is necessary to switch the designation of the sound source used for reproducing the musical sound from the external sound source to the sound source of the terminal device, and the setting operation for switching is complicated.

  The present invention has been made in order to solve the above-described problems of the prior art, and its purpose is not to require a complicated setting operation and to generate a musical sound with a good sound regardless of the connection with the electronic music apparatus. It is an object of the present invention to provide a program that can be reproduced and a musical sound generation control method.

  In order to achieve the above object, a program according to claim 1 of the present invention is a program for causing a computer of a musical tone generation control apparatus capable of reproducing audio data to execute a musical tone generation control method, wherein the musical tone generation control method includes a plurality of musical tone generation control methods. A selection step of selecting one of the specific information (34), a determination step of determining whether the musical sound generation control device and the electronic music device are communicably connected, and the determination step When it is determined that the musical sound generation control device and the electronic music device are communicably connected, performance data (41) in a format reproducible by the sound source (44) of the electronic music device, and An instruction for playing the performance data corresponding to the specific information selected in the selection step with the sound source of the electronic music device. The musical sound generation control device is controlled to be sent to the electronic music device, while the selection step determines that the musical sound generation control device and the electronic music device are not communicably connected. A control step of controlling the musical sound generation control device so that audio data (31) corresponding to the specific information selected in the step is reproduced by the musical sound generation control device.

  To achieve the above object, a program according to claim 4 of the present invention is a program for causing a computer of a musical tone generation control apparatus capable of reproducing audio data to execute a musical tone generation control method, wherein the musical tone generation control method includes a plurality of musical tone generation control methods. A selection step for selecting one of the specific information, a determination step for determining whether the musical sound generation control device and the electronic music device are communicably connected, and the musical sound generation control by the determination step If it is determined that the device and the electronic music device are communicably connected, the specific information selected by the selection step is performance data in a format reproducible by a sound source of the electronic music device While the musical tone generation control device is controlled so that performance data corresponding to is sequentially read from the head and transmitted to the electronic music device If it is determined in the determination step that the musical sound generation control device and the electronic music device are not communicably connected, audio data corresponding to the specific information selected in the selection step is stored in the musical sound generation control device. And a control step for controlling the musical sound generation control device so that the music sound is reproduced by the control.

  In order to achieve the above object, a musical tone generation control method according to claim 7 of the present invention is a musical tone generation control method in a musical tone generation control apparatus capable of reproducing audio data, wherein one of a plurality of specific information is selected. A selection step, a determination step for determining whether or not the musical sound generation control device and the electronic music device are communicably connected, and the musical sound generation control device and the electronic music device can communicate with each other by the determination step. If it is determined that the electronic music apparatus is connected to the electronic music apparatus, performance data corresponding to the specific information selected in the selection step is the performance data in a format that can be reproduced by the sound source of the electronic music apparatus While controlling the musical sound generation control device so as to send an instruction to the electronic music device for reproduction by the sound source of If it is determined by the step that the musical sound generation control device and the electronic music device are not communicably connected, audio data corresponding to the specific information selected in the selection step is reproduced by the musical sound generation control device. And a control step for controlling the musical tone generation control device.

  In order to achieve the above object, a musical sound generation control method according to claim 8 of the present invention is a musical sound generation control method in a musical sound generation control apparatus capable of reproducing audio data, wherein one of a plurality of specific information is selected. A selection step, a determination step for determining whether or not the musical sound generation control device and the electronic music device are communicably connected, and the musical sound generation control device and the electronic music device can communicate with each other by the determination step. If it is determined that the electronic music apparatus is connected to the performance data, the performance data in a format reproducible by the sound source of the electronic music device and corresponding to the specific information selected in the selection step is sequentially read from the head. The musical sound generation control device is controlled so as to be transmitted to the electronic music device. If it is determined that the electronic music apparatus is not communicably connected, the musical sound generation control apparatus is configured so that audio data corresponding to the specific information selected in the selection step is reproduced by the musical sound generation control apparatus. And a control step for controlling.

  In addition, the code | symbol in the said parenthesis is an illustration.

  A computer-readable storage medium storing the program according to claim 1 or 4 constitutes the present invention.

  According to the present invention, it is possible to reproduce a musical sound with good sound regardless of whether or not it is connected to an electronic music device without requiring a complicated setting operation.

It is a block diagram which shows schematic structure of the musical sound generation control apparatus with which the musical sound generation control method which concerns on the 1st Embodiment of this invention is applied. It is a block diagram which shows the application for demonstration trial listening, the internal structure of an electronic piano, and these relationship. It is a figure which shows the example of the display screen displayed on a touchscreen display in the case of a demo audition. It is a flowchart of the process of musical tone generation control at the time of demonstration trial listening. It is a block diagram which shows the application for demo audition in 2nd Embodiment, the internal structure of an electronic piano, and these relationship. It is a flowchart of the process of musical tone generation control at the time of demonstration trial listening in the second embodiment. It is a block diagram which shows the internal structure of an application and an electronic piano which concern on the modification of 1st, 2nd Embodiment, and these relationship.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(First embodiment)
FIG. 1 is a block diagram showing a schematic configuration of a musical tone generation control apparatus to which the musical tone generation control method according to the first embodiment of the present invention is applied. This musical sound generation control device is configured as a communication terminal device 100 such as a smartphone or a tablet, for example.

  The communication terminal apparatus 100 includes an operation element 2 including a plurality of switches for inputting various information, a detection circuit 5 that detects an operation state of the operation element 2, a CPU 7 that controls the entire apparatus, and the CPU 7 A touch panel liquid crystal display (LCD) for displaying various information and the like, a ROM 8 for storing control programs and various table data to be stored, a RAM 9 for temporarily storing audio data, various input information and calculation results, and the like. Touch panel display 16, display circuit 3 that controls display on touch panel display 16, detection circuit 4 that detects the operation of the touch panel on touch panel display 16, and storage unit that stores various application programs including the control program, various data, and the like 11 and communication interface (I / F) 12 Includes a sound source 10, an effect circuit 13.

  Components indicated by reference numerals 3 to 13 are connected to each other via a bus 15, a sound system 14 is connected to the effect circuit 13, and a timer 6 is connected to the CPU 7. The sound source 10 converts performance data and the like into musical tone signals. The effect circuit 13 gives various effects to the audio data and the tone signal input from the sound source 10. A sound system 14 including a DAC (Digital-to-Analog Converter), an amplifier, a speaker, and the like converts a musical sound signal or the like input from the effect circuit 13 into sound.

  As the communication I / F 12, for example, a dedicated music I / F that transmits and receives music signals such as MIDI (musical instrument digital interface) signals, and a general-purpose short-distance wired I / F such as USB (universal serial bus) and IEEE1394. , Ethernet (registered trademark) and other general-purpose network I / F, and wireless LAN (local area network) and Bluetooth (registered trademark) and other general-purpose short-range wireless I / F can be mentioned, but are not limited to the examples. The communication I / F 12 may include a plurality of types of I / Fs.

  For example, the CPU 7 can access the external storage device 20 using a wireless LAN of the communication I / F 12 or the like. The external storage device 20 is a storage device of a server device that exists on a network, for example. Moreover, CPU7 can connect the electronic piano 200 so that communication is possible using communication I / F12. The electronic piano 200 is an example of the electronic music device in the present embodiment.

  The storage unit 11 is a storage medium such as a semiconductor memory and its driving device. The storage medium or the storage unit 11 itself may be detachable. The storage unit 11 (the storage medium) can also store the control program executed by the CPU 7 as described above. If the control program is not stored in the ROM 8, the control unit stores the control program in the storage unit 11. By reading it into the RAM 9, it is possible to cause the CPU 7 to perform the same operation as when the control program is stored in the ROM 8. In this way, control programs can be easily added and upgraded. The CPU 7 can download an application from the external storage device 20 and store the application in the storage unit 11 and execute the application on the communication terminal device 100.

  In the present embodiment, an application for allowing a tone that can be generated by the electronic piano 200 and a demonstration performance by the electronic piano 200 to be experienced if the communication terminal apparatus 100 is provided without obtaining the electronic piano 200. 30 (FIG. 2) is provided to the user.

  FIG. 2 is a block diagram showing an application for demo audition and the internal configuration of the electronic piano 200 and their relationship.

  The application 30 that is demo trial listening software is downloaded from, for example, the external storage device 20 and stored in the storage unit 11. In addition, the acquisition route of the application 30 may be stored in the ROM 8 or the storage unit 11 in advance regardless of the acquisition route. The application 30 is software for realizing the musical sound generation control method according to the present embodiment. The application 30 has a function of listening to the demo performance of the electronic piano 200 using the communication terminal device 100 and instructs the electronic piano 200 to perform the demo performance. It has the function to do.

  In the present embodiment, the main purpose is to make it possible to experience the rich timbre of the electronic piano 200 even before the electronic piano 200 is purchased, so the data used is referred to as demo data. It is merely an example, and includes playing of existing music and playing made by specifying style and chord progression. Other embodiments and modifications will be described later.

  As shown in FIG. 2, the electronic piano 200 includes a communication I / F 42. The communication I / F 42 is configured in the same manner as the communication I / F 12. The communication I / F 12 and the communication I / F 42 are connected to enable data communication between the communication terminal device 100 and the electronic piano 200.

  The electronic piano 200 includes a sound source 44 and a sound system 45. These are higher-order components that are sufficiently more expensive than those included in the communication terminal device 100. The electronic piano 200 stores model information 43 including a model ID for identifying itself, and further stores performance data 41 composed of demo data corresponding to a plurality of tone colors that can be generated. The performance data 41 includes “tone 01, tone 02... Tone XX” as a plurality of MIDI format demo data classified for each tone.

  The sound source 44 can reproduce the performance data in the MIDI format, and the performance data 41 is reproduced by the sound source 44. That is, the sound source 44 converts the performance data 41 into a musical sound signal, and the sound system 45 including an unillustrated effect circuit converts the musical sound signal or the like into sound. The sound source 44 and the sound system 45 also generate musical sounds by playing the keyboard in the electronic piano 200.

  When the application 30 is downloaded to the communication terminal device 100, the audio data 31 and the icon display information 32 are also downloaded together and stored in the storage unit 11. Note that either or both of the audio data 31 and the icon display information 32 may be acquired by the communication terminal device 100 by downloading or the like, separately from the application 30, and the communication terminal may be used in some way at the stage where the demo audition is made. It is only necessary that the device 100 can be handled.

  The audio data 31 includes “tone 01, tone 02... Tone XX” as a plurality of demo data in the audio format classified for each tone. The demo data included in the audio data 31 and the demo data included in the performance data 41 correspond to each other. The demo data included in the audio data 31 may be a single tone for each timbre, but may be a musical tone corresponding to a short piece of music recorded by the electronic piano 200 as long as the user can grasp each timbre.

  The communication terminal device 100 or the application 30 has a function of reproducing the audio data 31. The icon display information 32 is information for displaying icons corresponding to the demo data of the audio data 31 and the performance data 41.

  FIGS. 3A and 3B are diagrams showing examples of display screens displayed on the touch panel display 16 at the time of demonstration trial listening.

  When an instruction for demo audition setting is given, an icon selection screen (FIG. 3A) is displayed. In the present embodiment, selection of an icon on the icon selection screen is an operation for selecting a demo tone color. The icon display mode is not limited, but, for example, icon rows (icons 34A, 34B, 34C,...) Arranged on the left and right are displayed. Each icon 34 as specific information corresponds to the icon display information 32 (FIG. 2).

  What is displayed at the center of the screen in the left-right direction is the “selected icon” in the selected state. Initially, a default icon is displayed in the center of the screen. The user can move the icon row to the left or right by flicking or the like. When a desired icon is displayed in the center of the screen and is in a selected state (icon 34B in FIG. 3A), the information button 35 displayed with “i” in the selected icon is turned on by a tap operation or the like. Then, the screen is switched to the information display screen shown in FIG.

  In this information display screen, the audition start button 36 is displayed in the information display 37 relating to the timbre N corresponding to the selected icon (icon 34B). At this time, when the trial listening start button 36 is turned on by a tap operation or the like, demo data of tone N corresponding to the selected icon (icon 34B) is reproduced.

  At this time, whether the demo data to be reproduced is the audio data 31 or the performance data 41 is determined by the connection state between the communication terminal device 100 and the electronic piano 200, and is determined and controlled by the CPU 7 in accordance with the application 30. That is, if the communication terminal device 100 and the electronic piano 200 are communicably connected by the communication I / F 12 and the communication I / F 42, the performance data 41 is reproduced on the electronic piano 200. However, when the communication terminal device 100 and the electronic piano 200 are not communicable, the audio data 31 is reproduced by the communication terminal device 100. The procedure of the musical tone generation control at the time of such demonstration trial listening will be described with reference to FIG.

  FIG. 4 is a flowchart of the process for controlling the tone generation during the demo audition. In FIG. 4, a processing step surrounded by a horizontal hexagon is a determination step determined by the CPU 7. This process is realized by the CPU 7 executing the application 30. The operation is started by inputting an instruction for demo audition setting on the operator 2 or the touch panel display 16.

  The “selection step”, “discrimination step”, and “control step” in the present invention mainly correspond to steps S104 to S106, steps S116 to S122, and steps S107 to S110 in FIG.

  First, the CPU 7 performs initial setting (step S101). Here, the icon selection screen (FIG. 3A) is displayed on the touch panel display 16, and the model ID, the connection flag F, and the selection icon are reset. Next, it is determined whether or not an operation for ending the demo audition setting is detected (step S102). If an operation for ending the demo audition setting is detected, an end process is executed (step S103). 4 is terminated. In this end process, for example, if sound is being generated, a mute process, a process for closing the screen display, a temporarily secured memory release, and the like are performed. On the other hand, if the operation for instructing to end the demo audition setting is not detected, it is determined whether or not an icon selection operation has been detected (step S104).

  As a result of the determination, if an icon selection operation (flick operation on the icon selection screen (FIG. 3A)) is detected, the display is switched according to the selection operation (step S105). In other words, the icon 34 that is newly selected is placed in the center of the screen to be displayed as a selected icon. The icon 34 that has been in the selected state until immediately before is returned to the display state in the non-selected state. Along with these, the icon 34 recognized as the selected icon is updated (step S106), and the process proceeds to step S107.

  If no icon selection operation is detected in step S104, it is determined whether or not a demonstration audition start instruction operation is detected (step S107). The demonstration trial listening start instruction operation is performed by turning on the trial listening start button 36 on the information display screen of FIG. If the instruction operation to start the demo trial listening is not detected, it is determined whether or not the instruction operation to end the demo trial listening has been detected (step S111). During reproduction of the demo data, a not-illustrated reproduction screen is displayed, and an end instruction button for instructing the end of the demonstration trial listening is displayed on the screen. When the end instruction button is turned on, an instruction operation for ending the demo trial listening is performed.

  As a result of the determination, if the instruction operation for ending the demo audition is not detected, it is determined whether or not the connection flag F is “ON” (step S116). This connection flag F indicates by “ON” that both the communication terminal apparatus 100 and the electronic piano 200 are communicably connected via the communication I / F 12 and the communication I / F 42, so that both can communicate with each other. This is a flag indicating "OFF" that the connection is not established.

  As a result of the determination, if the connection flag F is “OFF” instead of “ON”, whether or not an active sensing signal that is a MIDI message is received within a predetermined time (for example, 200 ms) via the communication I / F 12. Is discriminated (step S117). If there is a MIDI device connected to the communication I / F 12, an active sensing signal is periodically sent from the device, and if it can be detected, it is understood that the device is in communication with the device. Therefore, if the active sensing signal is not received within the predetermined time, there is no MIDI device in the communication state, and the process proceeds to step S123.

  On the other hand, when an active sensing signal is received within a predetermined time, an ID request signal is transmitted to the device that transmitted the signal, thereby acquiring the model ID of the device that transmitted the active sensing signal. The ID is recognized as a connection model ID (step S118). Next, the connection flag F is set to “ON” (step S109), and the process proceeds to step S123.

  This connected model ID is information for specifying a device in a communicable state. Therefore, even if there are a plurality of electronic pianos 200 that can be connected, the CPU 7 can specify one actually connected. It should be noted that the method of determining whether or not communication is possible and identifying the connected device is an example, and is not limited to transmission / reception of an active sensing signal or ID request signal. A method corresponding to the configuration of the communication I / Fs 12 and 42 may be used.

  If the connection flag F is “ON” as a result of the determination in step S116, it is determined whether or not the active sensing signal is currently interrupted (step S120). When the active sensing signal is not received continuously for a time longer than the predetermined time (for example, 400 ms), it is determined that the signal is interrupted.

  If the active sensing signal is interrupted, communication with the electronic piano 200 is not possible, so the connection flag F is set to “OFF” (step S121), and the connection model ID is reset to “none” (step). S122), the process proceeds to step S123. On the other hand, when the active sensing signal is not interrupted and is continuously received, the process proceeds to step S123. In step S123, “other processing” such as volume adjustment and page switching is executed, and the process returns to step S102.

  As a result of the determination in step S107, if the instruction operation for starting the demo audition is detected, it is determined whether or not the connection flag F is “ON” (step S108). As a result of the determination, if the connection flag F is “ON”, the demo data included in the performance data 41 stored in the electronic piano 200 is transmitted to the device (electronic piano 200) that is the transmission source of the connection model ID. An instruction to reproduce demo data corresponding to the selected icon is transmitted (step S110). Thereby, in the electronic piano 200 connected to the communication terminal device 100, a musical tone having a tone color desired by the user is generated with rich sound. Thereafter, the process proceeds to step S111.

  On the other hand, when the connection flag F is “OFF”, reproduction of the demo data corresponding to the selected icon among the demo data included in the audio data 31 stored in the communication terminal device 100 is started (step S109). Thereby, when the electronic piano 200 is not in a connected state, a demonstration audition can be performed in the communication terminal device 100. Since the audio format data becomes sound using the effect circuit 13 and the sound system 14 provided in the communication terminal device 100, the user can confirm the tone of the electronic piano 200 with relatively good music. Musical sound reproduction by the sound system 14 may include reproduction using an earphone. Thereafter, the process proceeds to step S111.

  As a result of the determination in step S111, if an instruction operation for ending the demo audition is detected, it is determined whether or not the connection flag F is “ON” (step S112). As a result of the determination, if the connection flag F is “ON”, the demo data in the MIDI format may be being sounded by the electronic piano 200. Therefore, unless the reproduction end signal has been received (step S114), the connected model ID An instruction to stop the reproduction of the demo data corresponding to the selected icon in the performance data 41 is transmitted to the electronic piano 200 that is the transmission source (step S115). Thereafter, the process proceeds to step S116.

  On the other hand, if the connection flag F is “OFF”, since the demo data in the audio format may be sounding in the communication terminal device 100, the reproduction of the demo data corresponding to the selected icon in the audio data 31 is stopped (step). S113). Thereafter, the process proceeds to step S116.

  According to the present embodiment, if both the communication terminal device 100 and the electronic piano 200 can communicate, the demo data corresponding to the selected icon in the performance data 41 is reproduced by the sound source 44 of the electronic piano 200. The demo tone can be confirmed with the sound of the original quality of the electronic piano 200. If the two cannot communicate, the demo data corresponding to the selected icon in the audio data 31 is reproduced by the communication terminal device 100. Therefore, even a user who has not obtained the electronic piano 200 can confirm the demo timbre with realistic sound as compared with the case where the MIDI data is reproduced by the communication terminal device 100.

  In addition, since switching of the playback device is automatically performed according to the communication connection state, a complicated switching setting operation is unnecessary for the user.

  Therefore, it is possible to reproduce a musical sound with good sound regardless of the connection with the electronic music apparatus without requiring a complicated setting operation.

  By the way, in order to reproduce a timbre demo with rich sound regardless of the communication connection state, a mode in which the audio data 31 is transmitted from the communication terminal device 100 to the electronic piano 200 is conceivable, but if so, the audio data 31 is transmitted. Therefore, the load of data transmission becomes excessive, and a communication I / F for sending the audio data 31 is required separately from the MIDI cable, which is not realistic. Alternatively, it may be possible to store audio data corresponding to the tone color demo in the electronic piano 200. However, if it does so, the memory burden by memorize | storing audio data by the electronic piano 200 side will become excessive. Such disadvantages do not occur in the present embodiment.

  If the audio data 31 is not stored in the communication terminal device 100, the audio data 31 may be streamed while being downloaded from the server device or the like in step S109 of FIG.

  The performance data 41 is not stored in the electronic piano 200 but is stored in the communication terminal device 100 or is acquired by the communication terminal device 100 from a device other than the communication terminal device 100. In step S110, The performance data 41 corresponding to the selected icon may be sent from the communication terminal device 100 to the electronic piano 200 together with an instruction to reproduce the performance data 41.

(Second Embodiment)
In the first embodiment, the performance data 41 in the MIDI format is stored in the electronic piano 200. However, in the second embodiment of the present invention, the performance data 41 is placed on the communication terminal device 100 side, and the MIDI event is recorded. Are sequentially read and transmitted, and are stream-played on the electronic piano 200.

  FIG. 5 is a block diagram showing the demo audition application and the internal configuration of the electronic piano 200 and their relationship in the second embodiment. The performance data 41 is acquired or stored by the communication terminal device 100. Regardless of the manner in which the communication terminal device 100 acquires the performance data 41, for example, the performance data 41 may be acquired by downloading together with the application 30, or the communication terminal device 100 acquires from the server device or the like separately from the application 30. It is good. The communication terminal device 100 does not necessarily need to be stored, and it is only necessary that the communication terminal device 100 can be accessed and acquired by some method at the time of demonstration trial listening. The communication I / F 12 and the communication I / F 42 need to have a configuration capable of transmitting and receiving MIDI data. Other configurations are the same as those of the first embodiment.

  FIG. 6 is a flowchart of the process for controlling the tone generation during the demo trial listening according to the second embodiment. In FIG. 6, the description of the same processing as that shown in FIG. 4 in the first embodiment is omitted or is given the same step number.

  The processing in steps S101 to S109 is the same as that in the first embodiment. If the connection flag F is “ON” as a result of the determination in step S108, the process proceeds to step S201, and the demo data corresponding to the selected icon among the demo data included in the performance data 41 acquired by the communication terminal apparatus 100 is displayed. Set the read pointer to the first MIDI event. Thereafter, the process proceeds to step S111.

  The processing in steps S111 to S113 is the same as that in the first embodiment. As a result of the determination in step S111, if the instruction operation for ending the demo trial listening is not detected, the process proceeds to step S204, where it is determined whether or not it is time to transmit the MIDI event data pointed to by the read pointer in the demo data corresponding to the selected icon. To do. If it is determined that it is time to transmit the MIDI event data, the process advances to step S205 to transmit the MIDI event data pointed to by the read pointer to the device (electronic piano 200) that is the source of the connected model ID. . Thereby, in the electronic piano 200 connected to the communication terminal device 100, a musical tone having a tone color desired by the user is generated with rich sound.

  Next, in step S206, the read pointer is advanced by one in the demo data corresponding to the selected icon, and the process proceeds to step S116. The processing in steps S116 to S123 is the same as that in the first embodiment.

  If the connection flag F is “ON” as a result of the determination in step S112, the transmission of the MIDI event data to the device (electronic piano 200) that transmits the connection model ID is stopped (step S202), and the read pointer is initialized. (Step S203), and the process proceeds to step S204. After the process of step S113, the process proceeds to step S204.

  According to the present embodiment, the same effects as those of the first embodiment can be obtained with respect to reproducing a musical sound with good sound regardless of whether or not the electronic music apparatus is connected without requiring a complicated setting operation. Can be played.

  In the above-described embodiments, the audio data 31 and the performance data 41 are demo data of timbres classified according to timbres that can be generated by the sound source 44 of the electronic piano 200. However, the present invention is not limited to this, and any music content may be used, and music data such as demo music may be used. In the case of music data, the icon 34 shown in FIG. 3B may display a song name instead of a timbre.

  The performance data 41 generated by the sound source 44 is based on MIDI data, but is not necessarily strictly limited. Performance data in a format that can be reproduced by a sound source included in an electronic music device such as the electronic piano 200 is provided. If it is. For example, performance data is also included in which rhythm data recorded in an audio format is time-stretched according to style data and tempo and reproduced by a sound source.

  The performance data 41 may be composed of a combination of accompaniment style data and chord progression data. An example in which such data is applied to the first and second embodiments is shown in FIG.

  FIGS. 7A and 7B are block diagrams showing the internal configuration of the application and the electronic piano 200 and their relationship, respectively, according to modifications of the first and second embodiments.

  First, as compared with the configuration of the first embodiment (FIG. 2), the configuration of the performance data 41 is different in the electronic piano 200 as shown in FIG. The performance data 41 is composed of MIDI style accompaniment style data 41A and accompaniment style demo chord progression data 41B. The accompaniment style data 41A and the chord progression data 41B serve as input information for the automatic accompaniment function of the electronic piano 200. An accompaniment style performance corresponding to the combination of the data in the accompaniment style data 41A and the data in the chord progression data 41B is reproduced by the sound source 44.

  Also, the configuration of the audio data 31 and the icon display information 32 included in the application 30 is different from that of the first embodiment. The icon display information 32 is information for displaying an icon indicating an accompaniment style. Therefore, the accompaniment style is displayed on the icon 34 shown in FIG. The audio data 31 includes a plurality of accompaniment style demo data. The accompaniment style demo data in the audio data 31 corresponds to the icon display information 32 and also corresponds to a combination of the data in the accompaniment style data 41A and the data in the chord progression data 41B. This accompaniment style demo data corresponds to a record of automatic accompaniment data generated by chord progression defined by chord progression data 41B in the style data in accompaniment style data 41A.

  In the modification shown in FIG. 7A, if both the communication terminal device 100 and the electronic piano 200 are communicably connected, the data in the accompaniment style data 41A and the data in the chord progression data 41B are The combination corresponding to the selected icon display information 32 is reproduced by the sound source 44 of the electronic piano 200. On the other hand, when both the communication terminal device 100 and the electronic piano 200 are not connected to be communicable, the accompaniment style demo data in the audio data 31 corresponding to the selected icon display information 32 is the communication terminal. It is played back by the device 100.

  Next, in the configuration of FIG. 7B, which is a modification of the second embodiment, accompaniment style data 41A is stored in the electronic piano 200 among the performance data 41 shown in FIG. However, the chord progression data 41B for the accompaniment style demonstration is acquired or stored by the communication terminal device 100.

  If both the communication terminal device 100 and the electronic piano 200 are communicably connected, the CPU 7 specifies information corresponding to the selected icon display information 32 among the data in the accompaniment style data 41A. Is transmitted to the electronic piano 200. At the same time, the chord information in the chord progression data 41B corresponding to the selected icon display information 32 is sequentially transmitted to the electronic piano 200. Thereby, streaming playback is performed on the electronic piano 200.

  On the other hand, when both the communication terminal device 100 and the electronic piano 200 are not connected to be communicable, the accompaniment style demo data in the audio data 31 corresponding to the selected icon display information 32 is the communication terminal. It is played back by the device 100.

  In each of the above embodiments, when there are a plurality of different types of electronic pianos 200 that can be connected to the communication terminal device 100, the audio data 31 and the performance data 41 are acquired or corresponded to each of the electronic pianos 200. It only has to be stored. In this case, identification of the electronic piano 200 can be managed by the model ID.

  Note that the method of selecting music content such as a desired timbre demo by the user is not limited to using the icon 34. The specific information for selecting the music content may be directly input by an operator, or the specific information may be selected by voice guidance without being limited to a visual method.

  In addition, the musical sound generation control device that realizes the present invention may be any device that can download and execute the application 30, and is not limited to a portable device such as a smartphone or a tablet.

  The electronic music device is not limited to the electronic piano 200, and may be any device having a sound source and a communication I / F.

  The object of the present invention is achieved by executing the following processing. That is, a storage medium that records a program code of software that implements the functions of the above-described embodiments is supplied to a system or apparatus, and a computer (or CPU, MPU, or the like) of the system or apparatus is stored in the storage medium. This is the process of reading the code.

  In this case, the program code itself read from the storage medium realizes the novel function of the present invention, and the program code and the storage medium storing the program code constitute the present invention.

  As a storage medium for supplying the program code, for example, a flexible disk, hard disk, magneto-optical disk, CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-RAM, DVD-RW, DVD + RW, magnetic A tape, a non-volatile memory card, a ROM, or the like can be used. Further, the program code may be supplied from a server computer via a communication network.

  Further, the present invention includes a case where the function of the above-described embodiment is realized by executing the program code read by the computer. In addition, an OS (operating system) running on the computer performs part or all of the actual processing based on an instruction of the program code, and the functions of the above-described embodiments are realized by the processing. Is also included.

  Furthermore, a case where the functions of the above-described embodiment are realized by the following processing is also included in the present invention. That is, the program code read from the storage medium is written in a memory provided in a function expansion board inserted into the computer or a function expansion unit connected to the computer. Thereafter, based on the instruction of the program code, the CPU or the like provided in the function expansion board or function expansion unit performs part or all of the actual processing.

  7 CPU, 12, 42 Communication I / F, 30 Application, 31 Audio data, 34 Icon (specific information), 36 Audition start button, 41 Performance data, 44 Sound source, 100 Communication terminal device, 200 Electronic piano

Claims (8)

A program for causing a computer of a musical sound generation control device capable of reproducing audio data to execute a musical sound generation control method,
The musical sound generation control method is:
A selection step of selecting one of a plurality of specific information;
A determination step of determining whether or not the musical sound generation control device and the electronic music device are communicably connected;
If it is determined by the determination step that the musical sound generation control device and the electronic music device are communicably connected, performance data in a format reproducible by a sound source included in the electronic music device, and While controlling the musical sound generation control device so as to send an instruction to play the performance data corresponding to the specific information selected in the selection step by the sound source of the electronic music device to the electronic music device, the determination step When it is determined that the musical sound generation control device and the electronic music device are not communicably connected, audio data corresponding to the specific information selected in the selection step is reproduced by the musical sound generation control device. And a control step for controlling the musical tone generation control device. Beam.   2. The performance data according to claim 1, wherein the performance data is stored in the electronic music device, and the control step sends an instruction to reproduce the performance data corresponding to the selected specific information to the electronic music device. program.   The performance data is stored in the musical sound generation control device or acquired by the musical sound generation control device from a device other than the electronic music device, and the control step includes performance data corresponding to the selected specific information. The program according to claim 1, wherein the program is transmitted to the electronic music apparatus together with an instruction to reproduce the performance data. A program for causing a computer of a musical sound generation control device capable of reproducing audio data to execute a musical sound generation control method,
The musical sound generation control method is:
A selection step of selecting one of a plurality of specific information;
A determination step of determining whether or not the musical sound generation control device and the electronic music device are communicably connected;
If it is determined by the determination step that the musical sound generation control device and the electronic music device are communicably connected, performance data in a format reproducible by a sound source included in the electronic music device, and The musical sound generation control device is controlled so as to sequentially read performance data corresponding to the specific information selected in the selection step and transmit the performance data to the electronic music device, while the musical sound generation control device and the electronic music are controlled in the determination step. If it is determined that the device is not communicably connected, the musical sound generation control device is controlled so that audio data corresponding to the specific information selected in the selection step is reproduced by the musical sound generation control device. And a control step.   5. The program according to claim 4, wherein the performance data is stored in the musical sound generation control device or acquired by the musical sound generation control device from a device other than the electronic music device.   The program according to any one of claims 1 to 5, wherein the plurality of pieces of specific information are classified according to timbres that can be generated by the sound source of the electronic music device. A musical sound generation control method in a musical sound generation control apparatus capable of reproducing audio data,
A selection step of selecting one of a plurality of specific information;
A determination step of determining whether or not the musical sound generation control device and the electronic music device are communicably connected;
If it is determined by the determination step that the musical sound generation control device and the electronic music device are communicably connected, performance data in a format reproducible by a sound source included in the electronic music device, and While controlling the musical sound generation control device so as to send an instruction to play the performance data corresponding to the specific information selected in the selection step by the sound source of the electronic music device to the electronic music device, the determination step When it is determined that the musical sound generation control device and the electronic music device are not communicably connected, audio data corresponding to the specific information selected in the selection step is reproduced by the musical sound generation control device. And a control step for controlling the musical sound generation control device. Control method. A musical sound generation control method in a musical sound generation control apparatus capable of reproducing audio data,
A selection step of selecting one of a plurality of specific information;
A determination step of determining whether or not the musical sound generation control device and the electronic music device are communicably connected;
If it is determined by the determination step that the musical sound generation control device and the electronic music device are communicably connected, performance data in a format reproducible by a sound source included in the electronic music device, and The musical sound generation control device is controlled so as to sequentially read performance data corresponding to the specific information selected in the selection step and transmit the performance data to the electronic music device, while the musical sound generation control device and the electronic music are controlled in the determination step. If it is determined that the device is not communicably connected, the musical sound generation control device is controlled so that audio data corresponding to the specific information selected in the selection step is reproduced by the musical sound generation control device. A musical sound generation control method comprising: a control step.

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