KR101333274B1 - Voice receiving system of DID using smart phones - Google Patents

Abstract

According to the present invention, at least one DID transmits a voice signal to a Wi-Fi access point (AP) using a wired or wireless communication means in a Wi-Fi zone in which the Internet can be used wirelessly. DID wireless voice reception system using a mobile terminal that allows the user to listen to only the desired voice more clearly by installing an application that can search for and receive a voice signal and to listen to the voice of the desired DID, and It is about a method.

Description

Wireless receiving system of public information guidance system using smart phone {Voice receiving system of DID using smart phones}

The present invention relates to a wireless voice reception system, and more particularly, to a wireless voice reception system and a method for receiving a voice of a digital information display (DID) installed in a public place such as a waiting room or a square with a smartphone and receiving the same. will be.

More specifically, at least one DID transmits a voice signal to an access point (AP) of a Wi-Fi zone by using a wired or wireless communication means in a Wi-Fi zone where a wireless Internet is available. DID wireless voice using a mobile terminal that allows the user to listen to only the desired voice more clearly by installing an application that can search for a receivable DID and receive a voice signal. A receiving system and method.

Various communication means have been developed and provided according to the development of electronic communication technology, and multimedia that transmits a regular broadcast or an advertisement broadcast using this technology has been widely used. Among such multimedia, DID (Digtal Information Display) (hereinafter referred to as "DID") is a public information guide system installed in a waiting room of a bus terminal or a public facility plaza to provide normal regular broadcasting or provide information related to municipal administration or public service advertisement. They are used for various purposes such as government building guidance, subway bus route guidance, emergency evacuation information, public service campaign, street cheering, and election promotion.

Among these DIDs, the DID installed in the square has a large display (screen), so you can see the image on the screen at a long distance, but due to the surrounding noise, you can hear the voice (all sounds including the voice, hereinafter referred to as "voice") accurately There are a number of problems, and when a plurality of DIDs are installed in one space, such as a waiting room, the voices of the respective DIDs are not only mixed with each other, but also there is a problem that the user cannot hear the desired voice due to the surrounding noise.

In particular, in the case of a DID installed in a quiet place requiring stability, such as a hospital, increasing the volume of the DID has a problem that disturbs people who do not want to listen. There is a "infrared-based wireless portable voice receiver" of Patent Document 1 that has been developed to solve this problem. The present invention relates to an infrared based wireless portable voice receiving device for receiving a voice signal in an infrared ray and outputting the same to a speaker, and includes a housing having a portable size, a speaker mounted inside the housing, and an infrared sensor mounted outside the housing and receiving an infrared signal. The control unit may receive a received signal received by the infrared sensor, demodulate it, restore the voice signal, and output the restored voice signal to the speaker. Since the infrared device provided in the conventional wireless voice receiving device uses infrared light having a straightness, reception may be blocked when infrared light is blocked by a moving person or an object, and an infrared dedicated receiving device must be separately provided, thus manufacturing cost This takes, and the user has to pay the cost to buy it, there was a problem that burdens the user.

In addition, Patent Documents 2 and 3 have a wireless speaker that enables to receive voice wirelessly from an audio or video device, but these are for communicating between specific devices, and the audio signal transmitted from an unspecified DID installed in a public place. There was a problem that reception was impossible.

On the other hand, with the development of portable terminal technology, smart phones have become popular in recent years, enabling not only to listen to radio broadcasts but also to watch television broadcasts, as well as various types of application programs (usually "apps" or It is called "application", hereinafter referred to as "application"), and WiFi, which is a short-range wireless LAN, is serviced in most public places. Patent document 4 has a receiving system for receiving a voice signal of a video display device installed in a public place as a mobile communication terminal, but it requires a pre-assigned number because it requests a voice signal to a broadcasting information providing server using a mobile communication network. The procedures are complex and less effective, such as having a database on the server.

1. Korea Registered Patent No. 1091714 2. Korean Patent No. 1087082 3. Korean Registered Patent No. 0680317 4. Korean Patent No. 0860577

The present invention has been developed to solve the problems of the prior art as described above, the wireless voice reception of the DID using a portable terminal that allows anyone who has an application installed on the portable terminal such as a smart phone to easily listen to an unspecified DID voice. It is an object to provide a system and method.

In particular, wireless voice reception of DID using a mobile terminal that enables a user to listen to a desired voice more clearly by selecting a voice transmitted from at least one DID installed in a public place such as a plaza and allowing the user to listen clearly. It is an object to provide a system and method.

In order to achieve the above object, the present invention provides a voice receiving system for receiving a voice of at least one DID remotely installed. The DID includes a wireless communication module and transmits it to an access point in a wireless LAN area. Search for signals transmitted from the wireless communication module of the DID by short-range wireless communication, access the wireless communication module of the desired address, and receive the voice of the corresponding DID so that the user can receive the voice of the desired DID to the mobile terminal. Characterized in that provided.

In addition, the present invention may further include an encoding module and a decoding module for converting a voice signal transmitted from the DID into a signal that can be received by the portable terminal, the encoding module is provided in the DID, the decoding module is a voice of the portable terminal It can be provided in the receiving application.

According to another aspect of the present invention, there is provided a method of wireless voice reception using a mobile terminal, the method comprising: continuously transmitting a voice signal to a connection point by a wireless communication module provided in a DID; Searching for a wireless communication module having a desired DID by accessing the wireless communication module of the portable terminal; When the wireless communication module of the desired DID is searched, it is characterized in that it comprises the step of transmitting and outputting the voice signal of the corresponding DID to the voice output means.

In addition, in the wireless voice reception method of the present invention, before the voice signal is transmitted to the access point, the encoding module provided in the DID converts the voice signal into a signal that can be received by the mobile terminal, and the DID received through the access point. It is preferable to convert the voice signal into a signal that can be output from the voice output means of the mobile terminal by the decoding module of the voice receiving application provided in the mobile terminal.

The present invention has the effect of receiving and listening to an audio signal of an unspecified DID using an application of a mobile terminal, in particular a smartphone, which is already used.

In particular, the present invention can receive a voice signal transmitted from a remote DID to the portable terminal to listen to more clear and accurate voice, and a plurality of DIDs transmitted from a plurality of DIDs installed in public places such as a plaza or waiting room Of the voice signals of the user can select and listen to only the desired voice.

In addition, DIDs installed in places requiring stability, such as hospitals, may cause inconvenience to those who do not want to listen, since only the desired person can receive and listen to the voice signal from the mobile terminal while the voice output of the DID main body is lowered. It can be prevented.

1 is a schematic configuration diagram of a wireless voice reception system according to the present invention;
2 is a detailed configuration diagram of each component constituting the wireless voice reception system according to the present invention;
3 is a flowchart illustrating a voice reception process using the wireless voice reception system according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings of the present invention, the sizes and dimensions of the structures are enlarged or reduced from the actual size in order to clarify the present invention, and the known structures are omitted so as to reveal the characteristic features, and the present invention is not limited to the drawings . DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail to avoid obscuring the subject matter of the present invention.

The wireless voice receiving system and the wireless voice receiving method according to the present invention allow the user to select and listen to the voice transmitted from the DID 1 by the mobile terminal 2, and the DID 1 and the mobile terminal 2 Each of the communication terminals 11 and 21 is provided, and the portable terminal 2 is provided with a voice receiving application 2a which is an application program for receiving a voice.

The DID (1) can be various video devices such as a television installed in a public place, a government information kiosk, an emergency rescue guidance system such as a defibrillator, a DID for advertisement / publicity, and a video device installed in a transportation means such as a bus.

The communication module 11 provided in the DID 1 has a unique address so that it can be distinguished from other DIDs, and the mobile terminal 2 searches for the communication module 11 of the DIDs having these different addresses to obtain the desired DID. You can connect with.

The communication module 11 of the DID may be a wired or wireless communication module, the wireless communication module 21 may be a wireless communication module of a conventional portable terminal, and between these communication modules (11, 21) It is the access point (AP) (3) that acts as a relay.

The access point 3 preferably uses a wireless access point (WAP) as a conventional device used to connect wireless devices to wired devices using Wi-Fi or Bluetooth related standards in the network. The connection point 3 is a DID communication module capable of voiceless communication from the access point 3 through the wireless communication module 21 according to the DID search command signal instructed by the voice receiving application 2a of the portable terminal 2. Search for. That is, the wireless voice reception searches for the DID provided with the wireless communication module.

The voice receiving application 2a displays a list of DIDs capable of receiving the retrieved wireless voice signal on the screen of the portable terminal, and the user selects and executes any one of them. Of course, in the case of a single DID having a large screen installed in the plaza, only this single DID is searched for, and the voice signal of this DID is received.

The communication module 11 of the DID 1 in the standby state transmits a voice signal to the connection point 3 in response to receiving a call from the connection point 3, and the connection point 3 carries the received voice signal. By transmitting to the wireless communication module 21 of the terminal 2 it is possible to wirelessly receive the voice of the DID (1) via the portable terminal (2).

The portable terminal 2 may be a conventional portable terminal capable of outputting voice, but it is preferable that the portable terminal 2 can be installed and operated. An example of such a portable terminal may be a smartphone. It is not intended to limit the claims of the invention.

The wireless voice receiving system using the portable terminal of the present invention has a wireless communication module 21 or voice output means 22 of the mobile terminal 2 and a wireless communication module 21 or voice output means of the DID 1 ( It may be provided with an encoding module (1a) and a decoding module (20a) for converting the signal to synchronize the signal of 22) or to prevent interference with other signals.

The encoding module 1a is installed in the DID 1 to convert the voice signal of the DID 1 into a signal that can be received by the portable terminal 2, and may be configured in conjunction with a control program that controls the driving of the DID. In addition, the signal to be converted may be added with a predetermined identifier so as to prevent interference with other signals.

The decoding module 20a is installed in the portable terminal 2 and restores the sound ray signal converted by the encoding module 1a to a signal that can be output from the voice output means 22 of the portable terminal. The decoding module 20a may be composed of one program linked to the voice receiving application 2a.

The wireless voice reception method using the wireless voice reception system of the DID using the portable terminal according to the present invention configured as described above has already been described in the above description of the configuration but will be described again in summary.

The wireless voice reception method according to the present invention comprises the steps of continuously transmitting its voice signal to the access point by the wireless communication module provided in the DID; Searching for a wireless communication module having a desired DID by accessing the wireless communication module of the portable terminal; When the wireless communication module of the desired DID is searched, a step of transmitting the voice signal of the corresponding DID to the voice output means is performed.

The step in which the communication module 11 of the DID 1 continuously transmits its own audio signal to the connection point 3 starts the driving of the DID 1 and outputs an image to the display 10 and outputs the sound to the display 10. 11) and outputs the voice and at the same time the wired or wireless communication module 11 operates to transmit information including the voice signal of the DID to the access point (3).

In this way, the voice receiving application 2a of the mobile terminal 2 is connected to the wireless communication module 21 while the communication module 11 of each DID 1 continuously transmits information outputted to the DID to the access point 3. Connect to the connection point (3) through) to search for the communication module 11 of the desired DID (1). At this time, the voice signal transmitted through the communication module 11 of the DID (1) is encoded by the encoding module (1a) is not only suitable for reception in the mobile terminal, but also converts so as not to be mixed with external noise or signals during wireless transmission. Signal.

The voice receiving application 2a of the mobile terminal 2 displays the list of retrieved DIDs 1 on the screen of the mobile terminal, and when the user selects any one of them, it automatically connects with the DID 1 to voice the DID. You can listen to it.

This allows the user to listen to the voices of remote or multiple DIDs through a portable terminal carried by an individual, so that the user can hear a clearer voice or a voice of a desired DID. It is possible to prevent the sound of the noise to become.

1: DID
10: display
1a: encoding module
11: communication module
12: sound output means
2: mobile terminal
2a: voice receiving application
20a: decoding module
21: wireless communication module
22: sound output means

Claims (7)

In the wireless voice receiving system for receiving a voice of at least one digital information display (DID) installed in a public facility,
The DID includes a wired / wireless communication module and an encoding module. The DID encodes a voice signal being broadcast and accesses and transmits the WLAN access point.
The smartphone includes a voice receiving application and a decoding module, connects to the WLAN access point, searches for a DID connected to the WLAN access point, accesses a DID to be selected, and accesses the DID through the wireless communication module. Receive and decode voice signals,
Wireless voice reception system of the DID using a smart phone, characterized in that to play by the voice output means of the smart phone to hear the sound The method of claim 1,
The encoding module of the DID prevents interference between the DIDs and converts the voice signal into a signal that can be received by the smartphone. delete The method of claim 1,
The DID wireless voice receiving system of the DID using a smart phone, characterized in that it has a unique IP address In the wireless voice receiving method for wirelessly receiving a voice signal of the DID,
The DID is a step of encoding and converting the voice signal into a signal that can be received by the smartphone with the encoding module provided to transmit to the access point;
The voice receiving application of the smart phone accesses the access point in the WiFi zone through a wireless communication module to retrieve the surrounding DID information;
Displaying a list of retrieved accessible DIDs; And
When the DID is selected from the list to be listened to from the smartphone, the voice signal of the selected DID is demodulated by the decoding module and outputted to the voice output means. Way delete delete

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