KR20120039194A - Method and apparatus for sharing data using acoustic sound in wireless system - Google Patents

Abstract

PURPOSE: A data sharing method and apparatus thereof are provided to improve utilization by enabling a user to transmit data in silent environment. CONSTITUTION: A transmission apparatus modulates the code of a transmission target data. The transmission apparatus changes the digital data into the analog data or the analog data into the digital data(310). The transmission apparatus mixes the data with a reproduction target sound(320). The transmission apparatus outputs the mixed sound through a speaker(330).

Description

METHOD AND APPARATUS FOR SHARING DATA USING ACOUSTIC SOUND IN WIRELESS SYSTEM}

TECHNICAL FIELD The present invention relates to wireless systems and, more particularly, to apparatus and methods for providing data to an unspecified majority using acoustic sound at specific locations in public places.

Advertisement using the existing communication or data providing service for the unspecified number is provided using a specific communication network.

In order to use the specific communication network, a specific communication module capable of performing communication using a specific protocol such as Wifi / Zigbee / Bluetooth should be mounted on both devices, and data should be transmitted and received and analyzed through the specific protocol.

The communication modules must create a communication link through a preliminary work, and the communication modules have a problem in that they may be limited to 1: 1 communication or broadcasting depending on characteristics.

In addition, even a communication module using the same communication protocol may cause a problem of compatibility between versions as the version is raised.

Accordingly, there is a need for a method and apparatus that can communicate and share data regardless of communication module and version.

An object of the present invention is to provide a method and apparatus for sharing data through acoustic sound in a wireless system.

Another object of the present invention is to provide a method and apparatus for including and transmitting specific data in music reproduced in a public place, or providing data using a high frequency or low frequency band which is inaudible to humans.

It is still another object of the present invention to provide a method and apparatus for sharing data by broadcasting data using a speaker already installed in most wireless devices without receiving a specific communication module and receiving the broadcast data as a microphone. have.

According to a first aspect for achieving the objects of the present invention, in the data sharing method of the transmitting device using the acoustic sound in the wireless system, the process of generating the acoustic sound to be reproduced and the data to be transmitted, encoded, modulated and digital to analog Performing encoding, modulation, and DAC separately from the sound to be reproduced when performing the conversion, mixing the sound to be reproduced with data performed by the DAC, and reproducing the mixed sound through the speaker. It features.

According to a second aspect for achieving the objects of the present invention, in the method of sharing data of a receiving apparatus using acoustic sound in a wireless system, the process of receiving acoustic sound and checking whether data is broadcasted with the acoustic sound and When data is broadcast together with the acoustic sound, the process of separating the data from the acoustic sound, the process of performing analog to digital conversion (ADC), demodulation and decoding on the separated data, and displaying the decoded data. Characterized in that it comprises a.

According to a third aspect for achieving the objects of the present invention, in a wireless system, a sound system to be reproduced is generated in a transmitting apparatus that shares data using acoustic sound, and reproduced when performing encoding, modulation, and DAC on data to be transmitted. And a speaker for performing encoding, modulation, and DAC to be distinguished from the acoustic sound, mixing the acoustic sound to be reproduced with data performing the DAC, and a speaker to reproduce the mixed acoustic sound.

According to a fourth aspect for achieving the objects of the present invention, in a receiving apparatus for sharing data using acoustic sound in a wireless system, the microphone and the data receiving the acoustic sound are checked to be broadcast with the acoustic sound, and When data is broadcast along with the sound sound, the data is separated from the sound sound, characterized in that it comprises a control unit for performing ADC, demodulation and decoding on the separated data and a display unit for displaying the decoded data .

According to a fifth aspect for achieving the objects of the present invention, there is provided a service providing method of a terminal for providing additional information using acoustic sound in a specific region, the process of receiving acoustic sound and additional information in the received acoustic sound And a process of performing an ADC, demodulation and decoding on the separated additional information, and providing a service to a user by using the decoded additional information.

According to a sixth aspect for achieving the present inventions of the present invention, in a device of a terminal providing a service to a user by providing additional information using acoustic sound in a specific region, the microphone receiving the acoustic sound and the received acoustic sound And a controller for separating the additional information, performing ADC, demodulation, and decoding on the separated additional information, and providing a service to a user by using the decoded additional information.

According to the present invention, in the case of a device equipped with a microphone / speaker, there is an advantage that data can be provided and shared through acoustic sound without mounting a specific communication module (Wifi / Bluetooth, etc.).

In addition, the present invention has the advantage that it is possible to easily change the providing distance of the data by adjusting the acoustic sound volume of the transmitting side.

In addition, the present invention has the advantage that can be utilized in a quiet environment because data transmission is possible using the acoustic sound of the high frequency band.

1 is a diagram illustrating an acoustic sound providing environment according to an exemplary embodiment of the present invention.
2 is a diagram illustrating an operation process of a transmitter and a receiver according to an exemplary embodiment of the present invention.
3 is a flowchart illustrating an operation process of a calling apparatus according to an embodiment of the present invention.
4 is a flowchart illustrating an operation process of a receiving apparatus according to an exemplary embodiment of the present invention.
5 is a block diagram illustrating a transmission device and a reception device according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

Hereinafter, a method and apparatus for sharing data through acoustic sound in a wireless system will be described.

1 is a diagram illustrating an acoustic sound providing environment according to an exemplary embodiment of the present invention.

Referring to FIG. 1, the transmitting device of the present invention broadcasts an acoustic sound through a speaker, and a receiving device is equipped with a microphone to receive the acoustic sound, and extract data from an analog signal included in the received acoustic sound. It is to provide a service to utilize.

Thus, the acoustic sound can only be received in the acoustic sound audible region 150. That is, it is possible to receive only within the acoustic sound receiving distance 100, and is impossible to receive at the acoustic sound non-receiving distance 120.

2 is a diagram illustrating an operation process of a transmitter and a receiver according to an exemplary embodiment of the present invention.

Referring to FIG. 2, the transmitting device 210 of the present invention can be any device equipped with a speaker, and the microphone is not essential to the transmitting device 210.

In addition, the transmitting device 210 is a device capable of installing additional software according to the feature of the present invention, and the software performs a function of modulating data on a song selected by a user.

Receiving device 220 of the present invention can be any device equipped with a microphone, a speaker is not an essential element only for the receiving device 220.

In addition, the receiving device 220 should be a device capable of installing additional software according to the feature of the present invention, and the corresponding software performs a function of extracting data included through demodulation from the acoustic sound input from the microphone.

The transmitting device 210 outputs the information to be provided to any music, combined with the music reproduced through the speaker through a modulation process or as a sound sound of a high frequency or low frequency band.

A user who listens to an acoustic sound output or reproduced by the transmitting apparatus of the present invention or a user who recognizes that the acoustic sound of the transmitting apparatus is transmitted is driven by the receiving software mounted in the receiving apparatus 220. Depending on the setting, the receiving software may be driven at all times.

The receiving device 220 extracts valid data through demodulation from an analog signal currently input through a microphone. Thereafter, the receiving device 220 displays the demodulated data so that the user can check the corresponding information.

3 is a flowchart illustrating an operation process of a calling apparatus according to an embodiment of the present invention.

Referring to FIG. 3, the source apparatus performs an encoding and modulation process on data to be transmitted, and then performs a digital to analog conversion (DAC) process (step 310). When the transmitting device modulates the data, the transmitting device may modulate the signal in a high frequency or low frequency band.

Thereafter, the calling device mixes the sound to be reproduced with the data performing the DAC (step 320).

When the originating apparatus includes a specific acoustic sound in the pure acoustic sound, the receiving apparatus may determine that data is modulated and included in the acoustic sound. The specific acoustic sound does not have to overlap with the pure acoustic sound, and no other restrictions exist.

Thereafter, the transmitting apparatus reproduces the mixed acoustic sound. That is, the output through the speaker (step 330).

4 is a flowchart illustrating an operation process of a receiving apparatus according to an exemplary embodiment of the present invention.

Referring to FIG. 4, when the acoustic sound received through the microphone is mixed with the data (step 410), the reception apparatus separates and extracts data from the acoustic sound input from the microphone (step 420).

When a specific acoustic sound signal is included in the received acoustic sound, the receiving device may determine that data is modulated and included in the acoustic sound. The specific acoustic sound does not have to overlap with the pure acoustic sound, and no other restrictions exist.

If the data is modulated into acoustic sound of high frequency or low frequency band and mixed with pure acoustic sound, if the receiver uses a filter capable of separating the acoustic sound of the high frequency or low frequency band, the data may be separated. Can be.

Thereafter, the receiving device transmits the pure acoustic sound from which data is separated to the codec (step 430).

Thereafter, the receiving apparatus performs digital to analog conversion (DAC), demodulation, and decoding on the separated data (step 440), extracts and acquires the data, and outputs the data through the display unit (step 450).

5 is a block diagram illustrating a transmission device and a reception device according to an embodiment of the present invention.

Referring to FIG. 5, the functional blocks of the transmitting apparatus and the receiving apparatus are illustrated, and the transmitting apparatus and the receiving apparatus may include a modem 510 when a mobile communication terminal is used.

The transmitter and the receiver may include a modem 510, a controller 520, a storage 530, a sound manager 540, a microphone 550, a speaker 560, and a display 570.

The modem 510 is a module for communicating with other devices, and includes a radio processor and a baseband processor. The wireless processor converts the signal received through the antenna into a baseband signal to provide to the baseband processor, and converts the baseband signal from the baseband processor into a radio signal to transmit the baseband signal on an actual wireless path. Send via

The controller 520 controls the overall operations of the source apparatus and the receiver apparatus. For example, in the case of the transmitting device, the process of mixing pure acoustic sound with data performed by the DAC is controlled through a speaker, and in the case of the receiving device, the sound is received through a microphone and the data is received. Controls the process of separating from sound.

The storage unit 530 stores a program for controlling the overall operations of the originating apparatus and the receiving apparatus and temporary data generated during program execution.

The display unit 570 displays information output from the controller 520. The display unit 570 may use a liquid crystal display (LCD).

The microphone 550 of the receiving device performs a role of receiving and providing the acoustic sound reproduced or output through the speaker 560 to the controller 520. The speaker 560 outputs the acoustic sound in which the DAC performed by the controller 520 is performed.

The sound management unit 540 performs an encoding and modulation process on the data to be transmitted, and then performs a DAC process. When the transmitting device modulates the data, the transmitting device may modulate the signal in a high frequency or low frequency band. Thereafter, the sound manager 540 mixes the pure sound sound with the data that performs the DAC and reproduces the mixed sound sound through the speaker 560.

The sound manager 540 separates and extracts data from the sound sound input from the microphone 550 when the sound sound received through the microphone 550 is mixed with the data in the case of the receiving device.

If the data is modulated into acoustic sound of a high frequency or low frequency band and mixed with pure sound sound, the sound manager 540 separates the data using a filter capable of separating acoustic sound of a high frequency or low frequency band. can do.

Thereafter, the sound management unit 540 transmits pure sound sound from which data is separated to the codec. The codec may be included in the controller 520.

Thereafter, the sound manager 540 extracts the data by performing DAC, demodulation, and decoding on the separated data, and outputs the data through the display unit 570.

In addition, when the transmitting device includes a specific acoustic sound in the pure acoustic sound, the receiving device may determine that the data is modulated and included in the acoustic sound. The specific acoustic sound does not have to overlap with the pure acoustic sound, and no other restrictions exist.

In the block configuration described above, the controller 520 may perform a function of the sound manager 540. In the present invention, it is shown to configure them separately to explain each function separately. Therefore, when the product is actually implemented, all of the functions of the sound management unit 540 may be configured to be processed by the controller 520, and only some of the functions may be configured to be processed by the controller 520.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the scope of the following claims, but also by the equivalents of the claims.

Claims (28)

In the data sharing method of the calling device using acoustic sound in a wireless system,
Creating audible sounds for playback,
Performing encoding, modulation, and DAC when encoding, modulation, and digital-to-analog conversion (DAC) are performed on data to be transmitted and distinguished from the sound to be reproduced;
The process of mixing the sound to be reproduced with the DAC data,
And playing the mixed sound through the speaker.
The method of claim 1,
When performing encoding, modulation, and DAC on data to be transmitted, the process of encoding, modulation, and DAC to be distinguished from the sound sound to be reproduced may be performed.
When modulating the data to be transmitted, performing a modulation to a frequency band not used by the sound to be reproduced.
The method of claim 2,
The process of performing modulation to a frequency band not used by the sound to be reproduced,
And performing modulation to a frequency band higher than a band used by the sound to be reproduced.
The method of claim 2,
The process of performing modulation to a frequency band not used by the sound to be reproduced,
And performing modulation to a frequency band lower than a band used by the sound to be reproduced.
The method of claim 1,
The process of mixing the sound to be reproduced with the DAC data,
In addition, the method comprising the step of mixing to include a specific acoustic sound.
In the data sharing method of the receiving device using acoustic sound in a wireless system,
Receiving acoustic sound,
Checking whether data is broadcast with the acoustic sound,
Separating the data from the acoustic sound when the data is broadcast together with the acoustic sound;
Performing analog to digital conversion (ADC), demodulation and decoding on the separated data;
Displaying the decoded data.
The method of claim 6,
The method further comprises providing the separated sound data to the codec.
The method of claim 6,
The process of checking whether the data is broadcast with the acoustic sound,
Additionally checking whether a particular acoustic sound is mixed with the acoustic sound.
The method of claim 6,
The process of separating the data from the acoustic sound,
Separating the modulated data into a lower frequency band than the band used by the reproduced sound sound.
The method of claim 6,
The process of separating the data from the acoustic sound,
Separating the modulated data into a higher frequency band than the band used by the reproduced acoustic sound.
An originating apparatus for sharing data using acoustic sound in a wireless system,
A control unit for generating an acoustic sound to be reproduced, encoding, modulating, and performing a DAC on data to be transmitted, performing encoding, modulation, and DAC differently from the acoustic sound to be reproduced, and mixing the acoustic sound to be reproduced with data performing the DAC;
And a speaker for reproducing the mixed acoustic sound.
12. The method of claim 11,
The control unit,
When modulating the data to be transmitted, by modulating to a frequency band not used by the acoustic sound to be reproduced,
When performing encoding, modulation and DAC for data to be transmitted, the apparatus characterized by performing the encoding, modulation and DAC to be distinguished from the sound sound to be reproduced.
The method of claim 12,
The control unit,
By performing modulation to a frequency band higher than the band used by the sound to be reproduced,
A device characterized by performing modulation in a frequency band not used by the sound to be reproduced.
The method of claim 12,
The control unit,
By performing modulation to a frequency band lower than the band used by the sound to be reproduced,
A device characterized by performing modulation in a frequency band not used by the sound to be reproduced.
12. The method of claim 11,
The control unit,
Additionally by mixing to include specific acoustic sounds
A device characterized in that mixing the sound to be reproduced and the data performing the DAC.
In a receiving device for sharing data using acoustic sound in a wireless system,
A microphone that receives acoustic sound,
A control unit for checking whether data is broadcasted together with the acoustic sound, and separating the data from the acoustic sound when the data is broadcasted together with the acoustic sound, and performing ADC, demodulation and decoding on the separated data;
And a display unit for displaying the decoded data.
17. The method of claim 16,
And a codec for receiving acoustic data from which data is separated.
17. The method of claim 16,
The control unit,
In addition, by checking whether a particular acoustic sound is mixed with the acoustic sound,
Check whether the data is broadcast with the acoustic sound.
17. The method of claim 16,
The control unit,
By separating the modulated data into a frequency band lower than the band used by the reproduced sound,
And separate the data from the acoustic sound.
17. The method of claim 16,
The control unit,
By separating the modulated data into a higher frequency band than the band used by the reproduced sound sound,
And separate the data from the acoustic sound.
In the service providing method of the terminal for providing additional information using the acoustic sound in a specific region,
Receiving acoustic sound,
Separating the additional information from the received acoustic sound;
Performing ADC, demodulation and decoding on the separated side information;
And providing a service to a user by using the additional information which has been decoded.
The method of claim 21,
The process of providing a service to a user by using the decoded additional information,
And displaying the additional information which has been decoded to the user.
The method of claim 21,
The process of separating the additional information from the received acoustic sound,
And separating the additional information modulated into a lower frequency band than the band used by the reproduced sound sound.
The method of claim 21,
The process of separating the additional information from the received acoustic sound,
And separating the additional information modulated into a frequency band higher than a band used by the reproduced sound sound.
In the device of the terminal that provides a service to the user by providing additional information using the acoustic sound in a specific region,
A microphone that receives acoustic sound,
And a controller for separating additional information from the received acoustic sound, performing ADC, demodulation and decoding on the separated additional information, and providing a service to a user using the decoded additional information. .
The method of claim 25,
The controller may be configured to provide a service to a user using the decoded additional information by displaying the decoded additional information to the user through a display unit.
The method of claim 25,
The control unit,
By separating the side information modulated to a frequency band lower than the band used by the reproduced sound sound,
And separates additional information from the received acoustic sound.
The method of claim 25
The control unit,
By separating the side information modulated into a higher frequency band than the band used by the reproduced sound sound,
And separates additional information from the received acoustic sound.

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