JP2021156910A - Reproduction system, electronic apparatus, server, method, and program - Google Patents

Abstract

To allow each person to hear the same voice at the same time in a situation where students are made to perform listening.SOLUTION: A reproduction system 1 includes: a tablet 2; a plurality of smart phones 3 for reproducing voice; and a server 4 for performing radio-communication with the tablet 2 and the plurality of smart phones 3. The tablet 2 transmits information of sound source data to the server 4. The server 4 receives information of sound source data, which is transmitted from the tablet 2, and transmits received information of sound source data to the smart phones 3. The plurality of smart phones 3 receive information of sound source data, which is transmitted from the server 4, and reproduce the voice on the basis of received information of sound source data.SELECTED DRAWING: Figure 4

Description

The present invention relates to a reproduction system, an electronic device, a server, a method, and a program for reproducing audio.

In English classes at school, students may be asked to listen. In that case, a playback device such as a radio cassette is placed in front of the classroom, and the listening sound is reproduced from the playback device. In this case, it is possible that the student in front of the classroom is too loud to hear, and conversely the student sitting in the back of the classroom is too quiet to hear. In addition, portable playback devices are individually distributed to students, and students are also allowed to listen to audio through headphones, earphones, or the like. However, there is also a problem that students are reluctant to wear headphones because the cords of earphones and the like are easily cut and the hairstyle is broken. There are similar problems in listening tests.

In addition, Patent Document 1 discloses a listening device that can easily prepare a multifunctional listening device capable of transmitting high-quality sound to each listener at an arbitrary place.

Japanese Unexamined Patent Publication No. 2004-31213

In the conventional technique, there is a problem that it is difficult for each person to hear the same voice at the same time in a situation where a student or the like is made to listen.

An object of the present invention is to enable each person to hear the same voice at the same time in a situation where a student or the like is made to listen.

The reproduction system of the first invention includes a first electronic device, a plurality of second electronic devices for reproducing voice, and a server for wireless communication between the first electronic device and the plurality of second electronic devices. The first electronic device transmits information on sound source data to the server, the server receives information on the sound source data transmitted from the first electronic device, and receives information on the sound source data. The second electronic device transmits to the second electronic device, each of the plurality of second electronic devices receives the information of the sound source data transmitted from the server, and reproduces the sound based on the received information of the sound source data. It is characterized by that.

In the present invention, each of the plurality of second electronic devices receives the information of the sound source data transmitted from the server, and reproduces the sound based on the information of the received sound source data. As a result, each person who listens to the sound reproduced from the plurality of second electronic devices can hear the same sound at the same time.

The reproduction system of the second invention is the reproduction system of the first invention, in which the first electronic device accepts the designation of the reproduction start time, the reproduction start time which accepted the designation, the information of the sound source data, and Is transmitted to the server, and the server receives the playback start time and the sound source data information transmitted from the first electronic device, and receives the playback start time and the sound source data. The information and the information are transmitted to the second electronic device, and the second electronic device reproduces the sound at the playback start time based on the received playback start time, based on the information of the received sound source data. It is characterized by.

In the reproduction system of the third invention, in the reproduction system of the first invention, the first electronic device accepts the designation of the delay time, and the delay time for which the designation is accepted and the information of the sound source data are described. The delay time and the information of the sound source data, which are transmitted to the server and transmitted from the first electronic device, are received, and the delayed time and the information of the sound source data are received. The second electronic device transmits to the second electronic device, and the second electronic device reproduces the sound at a time based on the received delay time, based on the information of the received sound source data.

The reproduction system of the fourth invention is the reproduction system of any one of the first to third inventions, wherein the first electronic device accepts the selection of the sound source data, and the information of the sound source data that has received the selection is described. It is characterized by sending to a server.

The reproduction system of the fifth invention is characterized in that, in the reproduction system of any one of the first to fourth inventions, the information of the sound source data is the position information in which the sound source data is stored.

The reproduction system of the sixth invention is the reproduction system of any one of the first to fifth inventions, wherein the second electronic device wirelessly transmits audio to a wearable speaker.

The electronic device of the seventh invention is the first electronic device of any one of the first to sixth inventions.

The electronic device of the eighth invention is the second electronic device of any one of the first to sixth inventions.

The method of the ninth invention includes a first electronic device, a plurality of second electronic devices for reproducing voice, and a server for wireless communication between the first electronic device and the plurality of second electronic devices. A system control method in which the first electronic device is made to transmit sound source data information to the server, and the server is made to receive the sound source data information transmitted from the first electronic device. The information of the sound source data is transmitted to the second electronic device, the plurality of second electronic devices are made to receive the information of the sound source data transmitted from the server, respectively, and the information of the received sound source data is used. Based on this, the sound is reproduced.

The program of the tenth invention includes a first electronic device, a plurality of second electronic devices for reproducing voice, and a server for wireless communication between the first electronic device and the plurality of second electronic devices. A control program of the system, the first electronic device is made to transmit the information of the sound source data to the server, and the server is made to receive the information of the sound source data transmitted from the first electronic device. The information of the sound source data is transmitted to the second electronic device, the plurality of second electronic devices are made to receive the information of the sound source data transmitted from the server, respectively, and the information of the received sound source data is used. Based on this, the sound is reproduced.

According to the present invention, in a situation where a student or the like is made to listen, each person can hear the same voice at the same time.

It is a block diagram which shows the structure of the reproduction system which concerns on embodiment of this invention. It is a figure which shows an example of the screen displayed on a tablet according to a master application. It is a figure which shows an example of the screen displayed on a smartphone according to a slave application. It is a flowchart which shows the processing operation of a reproduction system.

Hereinafter, embodiments of the present invention will be described. FIG. 1 is a block diagram showing a configuration of a reproduction system 1 according to an embodiment of the present invention. The reproduction system 201 includes a tablet 2 (first electronic device), a plurality of smartphones 3 (second electronic device), and a server 4. The server 4 wirelessly communicates with the tablet 2 and the smartphone 3 via a network such as the Internet. A master application for causing the smartphone 3 to play audio is installed on the tablet 2. In addition, a slave application for reproducing audio is installed on the smartphone 3.

Although a tablet is illustrated here as an electronic device in which the master application is installed, it may be a personal computer, a smartphone, or the like. Further, although a smartphone is exemplified as a slave application, it may be a tablet, a digital audio player (DAP), or the like.

Although not shown, the tablet 2 includes a CPU (Central Processing Unit) (control unit), a storage unit, an operation unit, a display unit, a network interface, and the like. The tablet 2 is controlled by a CPU that controls each part constituting the tablet 2, and the CPU executes a master application to execute various processing operations. Although not shown, the smartphone 3 includes a CPU (Central Processing Unit) (control unit), a storage unit, an operation unit, a display unit, a network interface, and the like. The smartphone 3 is controlled by a CPU that controls each part constituting the smartphone 3, and the CPU executes a slave application to execute various processing operations. In addition, the smartphone 3 wirelessly communicates with the wearable speaker 5 in accordance with a wireless standard such as Bluetooth (registered trademark). The smartphone 3 wirelessly transmits audio to the wearable speaker 5 according to the slave application. The wearable speaker 5 receives the voice transmitted from the smartphone 3 and reproduces the received voice. The wearable speaker 5 is, for example, U-shaped and is placed on the user's shoulder for use. The server 4 is, for example, a so-called cloud server.

FIG. 2 is a diagram showing an example of a screen displayed on the tablet 2 according to the master application. As shown in FIG. 2, the tablet 2 has a file name 21 to be played on the smartphone 3, a play / pause button 22, a skip button 23, a delay time designation area 24, a current time display area 25, and a playback start time designation area 26. Etc. are displayed. The play / pause button 22 is a button for receiving voice playback and pause by the smartphone 3. The skip button 23 is a button for accepting the return of the reproduction position of the sound reproduced by the smartphone 3 to the beginning. The delay time designation area 24 is an area for receiving the designation of the delay time of the sound reproduced by the smartphone 3. The current time display area 25 is an area in which the current time is displayed. The reproduction disclosure time designation area 26 is an area for receiving the designation of the reproduction start time of the sound reproduced by the smartphone 3.

The tablet 3 accepts the designation of the playback start time by the smartphone 3 in the playback start time designation area 26. The tablet 3 accepts, for example, "12:00" (12:00) as the playback start time. The tablet 3 accepts "12:00" (12:00) as the playback start time, and when the playback start is accepted by the play / pause button 22, the sound is heard from the smartphone 3 at "12:00" (12:00). Will be regenerated.

Alternatively, the tablet 3 accepts the designation of the delay time for voice reproduction by the smartphone 3 in the delay time designation area 24. The tablet 3 accepts, for example, "10:00" (10 minutes) as the delay time. The tablet 3 accepts "10:00" (10 minutes) as the delay time, and when the playback / pause button 22 accepts the start of playback, the smartphone 3 "10:00" (10 minutes) after the reception of the start of playback. From 3, the sound will be reproduced. If the delay time is "0:00", the voice is immediately reproduced from the smartphone 3.

Further, the tablet 3 accepts the selection of sound source data to be reproduced by the smartphone 3. In FIG. 2, "Test voice.mp3" is displayed as the sound source data whose selection has been accepted by the tablet 3. The tablet 3 transmits the playback start time (or delay time) for which the designation is accepted and the information on the sound source data that has been selected and accepted to the server 4. Specifically, the tablet 3 writes the playback start time (or delay time) and the sound source data path (location information) into the database provided in the server 4. Hereinafter, the playback start time and the information of the sound source data may be collectively referred to as "data". The sound source data is stored in, for example, a storage on the network.

The server 4 receives the playback start time (or delay time) transmitted from the tablet 2 and the sound source data information. Specifically, the playback start time (or delay time) and the sound source data information are written by the tablet 2 in the database provided in the server 4. The server 4 transmits the received playback start time (written in the database) and the sound source data information to the smartphone 3. Specifically, the server 4 notifies the smartphone 3 that the database data has been updated.

The smartphone 3 receives the sound source data information and the playback start time (or delay time) transmitted from the server 4. The smartphone 3 reproduces the sound at the playback start time based on the received playback start time, based on the received sound source data information (path). For example, if the received playback start time is "12:00" (12:00), the smartphone 3 will be based on the path of the sound source data received at "12:00" (12:00). Play audio. Here, the smartphone 3 performs pseudo-streaming playback of audio by progressive download. The smartphone 3 uses, for example, HTTP (Hypertext Transfer Protocol) as a protocol, and plays back while downloading a file. Further, the smartphone 3 reproduces the sound at the time based on the received delay time, based on the information of the received sound source data.

FIG. 3 is a diagram showing an example of a screen displayed on the smartphone 3 according to the slave application. As shown in FIG. 3, the smartphone 3 displays a volume adjustment area 31 for accepting volume adjustment, a mute button 32 for accepting mute and mute release, and the like. The smartphone 3 receives the volume adjustment by the volume adjustment area 31, and adjusts the volume to the received voice. Further, the smartphone 3 accepts mute and unmute by pressing the mute button 3, and executes mute and unmute of the voice. In the present embodiment, the smartphone 3 displays the minimum configuration so that the user can easily concentrate on listening.

FIG. 4 is a flowchart showing the processing operation of the reproduction system 1. The tablet 2 reproduces the sound source data that has received the designation (S1). Next, the tablet 2 writes data (sound source data information (path), playback start time or delay time) into the database provided in the server 4 (S2). When the data is written to the database, the server 4 notifies the smartphone 3 of the update of the data (S3). The smartphone 3 receives the update data from the server 4 (S4). The smartphone 3 determines whether or not the playback start time has come based on the updated data (S5). The smartphone 3 repeatedly executes the process of S5 while determining that the playback start time has not been reached (S5: No). When the smartphone 3 determines that the playback start time has come (S5: Yes), the smartphone 3 starts playing the sound source data (S6).

As described above, in the present embodiment, each of the plurality of smartphones 3 receives the information of the sound source data transmitted from the server 4, and reproduces the voice based on the information of the received sound source data. As a result, each person who listens to the voices reproduced from the plurality of smartphones 3 can hear the same voices at the same time.

Although the embodiments of the present invention have been described above, the embodiments to which the present invention can be applied are not limited to the above-described embodiments, and modifications can be made as appropriate without departing from the spirit of the present invention. be.

The present invention can be suitably adopted in systems, electronic devices, servers, methods, and control programs for electronic devices that provide information on prohibited drugs.

1 Playback system 2 Tablet (1st electronic device)
3 Smartphone (second electronic device)
4 server 5 wearable speaker

Claims (10)

With the first electronic device
Multiple second electronic devices that play audio,
A server that wirelessly communicates with the first electronic device and the plurality of second electronic devices is provided.
The first electronic device is
Send the sound source data information to the server and
The server
Upon receiving the information of the sound source data transmitted from the first electronic device,
The received information of the sound source data is transmitted to the second electronic device, and the information is transmitted to the second electronic device.
Each of the plurality of second electronic devices
Receive the information of the sound source data transmitted from the server and
A reproduction system characterized in that sound is reproduced based on the received information of the sound source data. The first electronic device is
Accepts the specification of the playback start time,
The playback start time for which the designation has been accepted and the information on the sound source data are transmitted to the server.
The server
Upon receiving the playback start time and the sound source data information transmitted from the first electronic device,
The received playback start time and the sound source data information are transmitted to the second electronic device.
The second electronic device is
The reproduction system according to claim 1, wherein the sound is reproduced based on the information of the received sound source data at the reproduction start time based on the received reproduction start time. The first electronic device is
Accepts the specification of the delay time,
The delay time for which the designation was accepted and the information on the sound source data are transmitted to the server.
The server
The delay time and the information of the sound source data transmitted from the first electronic device are received, and the information is received.
The received delay time and the information of the sound source data are transmitted to the second electronic device.
The second electronic device is
The reproduction system according to claim 1, wherein the sound is reproduced based on the information of the received sound source data at a time based on the received delay time. The first electronic device is
Accepting the selection of the sound source data,
The reproduction system according to any one of claims 1 to 3, wherein the information of the sound source data for which selection has been accepted is transmitted to the server. The reproduction system according to any one of claims 1 to 4, wherein the information of the sound source data is position information in which the sound source data is stored. The reproduction system according to any one of claims 1 to 5, wherein the second electronic device wirelessly transmits audio to a wearable speaker. The first electronic device according to any one of claims 1 to 6. The second electronic device according to any one of claims 1 to 6. With the first electronic device
Multiple second electronic devices that play audio,
A method for controlling a playback system including the first electronic device and a server that wirelessly communicates with the plurality of second electronic devices.
In the first electronic device
Send the sound source data information to the server,
On the server
The information of the sound source data transmitted from the first electronic device is received, and the information is received.
The received information of the sound source data is transmitted to the second electronic device, and the information is transmitted.
Each of the plurality of second electronic devices
The information of the sound source data transmitted from the server is received, and the information is received.
A method characterized in that sound is reproduced based on the received information of the sound source data. With the first electronic device
Multiple second electronic devices that play audio,
A control program for a playback system including the first electronic device and a server that wirelessly communicates with the plurality of second electronic devices.
In the first electronic device
Send the sound source data information to the server,
On the server
The information of the sound source data transmitted from the first electronic device is received, and the information is received.
The received information of the sound source data is transmitted to the second electronic device, and the information is transmitted.
Each of the plurality of second electronic devices
The information of the sound source data transmitted from the server is received, and the information is received.
A program characterized in that sound is reproduced based on the received information of the sound source data.

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