KR100788682B1 - Method and apparatus for providing transmission service of sound source contents - Google Patents

Abstract

The present invention relates to a method and an apparatus for providing a sound source service, and more particularly, to a method and an apparatus for controlling a user to download a sound source output from a client device supporting an audio service to a desired device.

According to an aspect of the present invention, there is provided a method of providing a sound source content transmission service, the method comprising: extracting audio information output from a client device according to a user event input and processing the same into a form required for searching; Transmitting the processed information to a server and requesting transmission of sound source content corresponding to the processed information; Acquiring sound source content searched and transmitted by the server according to the request; And updating the obtained sound source content to a device connected to the client device.

Description

Method and apparatus for providing sound source content transmission service

1 is a block diagram of a sound source content transmission service providing system according to the present invention.

FIG. 2 is a detailed configuration diagram of the client device shown in FIG. 1.

3 is a flowchart illustrating a method for providing a sound source content transmission service executed in a client device among system configurations according to the present invention.

4 is a flowchart illustrating a sound source content transmission service providing method executed in a sound source content providing server in a system configuration according to the present invention.

The present invention relates to a method and an apparatus for providing a sound source service, and more particularly, to a method and an apparatus for controlling a user to download a sound source output from a client device supporting an audio service to a desired device.

According to the related art, in order to download a sound source serviced by a multimedia device that provides an audio service to a personal device such as a mobile phone or an MP3, it is generally performed as follows.

In other words, after searching for information about the sound source output from the multimedia device on the Internet using the user's computer, access the site providing the sound source, download the sound source to the user's computer, and reload the sound source stored in the user's computer. Send it to the user device and save it in the user device.

According to the prior art, there is a problem in use that requires a plurality of steps as described above in order to download the sound source output from the multimedia device to the user device.

An object of the present invention is to provide a method and apparatus for providing a sound content transmission service that enables a user to simply download a sound source output to a multimedia device in real time to a user device.

According to an aspect of the present invention, there is provided a method for providing a sound source content transmission service, the method comprising: (a) extracting audio information output from a client device according to a user event input and processing the same into a form necessary for searching; (b) transmitting the processed information to the server in step (a) and requesting transmission of the sound source content corresponding to the processed information; (c) acquiring sound source content searched and transmitted from the server according to the request of step (b); And (d) updating the sound source content obtained in step (c) to a device connected to the client device.

In accordance with another aspect of the present invention, there is provided an apparatus for providing a sound source content transmission service, the apparatus including: an audio extraction and processing module for extracting audio information output from a client device according to a user event input and processing the audio information into a form necessary for searching; A network communication module which transmits the processed information from the audio extraction and processing module to a server and receives the sound source content corresponding to the processed information from the server; And an update module for updating the sound source content received by the network communication module to a device connected to the client device.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, the sound source content transmission service providing system according to the present invention includes a network 100, a client device 110, a portable device 120, and a sound source content providing server 130.

The network 100 may be implemented by using the Internet as an example. The Internet is a communication network that connects computers worldwide through the Web. In order to provide Internet services to the client device 110, the Internet uses an Internet Protocol (PPP) using Point to Point Protocol (PPP), which is software for Internet access. The address is assigned and the Internet service can be used through the World Wide Web browser. At this time, in order to receive the World Wide Web Service, a web browser such as Netscape Navigator and Microsoft Internet Explorer is started and connected to a server of a desired website to receive desired information. Of course, if a dedicated line is used, the Internet service may be provided using the TCP / IP protocol instead of the Point-to-Point Protocol (PPP).

In some cases, the network 100 may be configured as a UPnP-based network, and various network access technologies such as a digital living network alliance (DLNA) may be applied.

UPnP (Universal Plug and Play) -based networks provide a convenient way of communicating between devices that are distributed in many places, including information appliances, wireless communication devices, and PC-related equipment. The UPnP-based network access technology is an extension of PnP, which Microsoft has adopted for connecting to Windows devices, to various devices.

By using such a network connection method, the client device 110 may access the sound content providing server 130 and transmit / receive information.

The sound source content providing server 130 analyzes the database (not shown in the drawing) storing the sound source contents and the sound source processing information received from the client device 110, and searches the database based on the analyzed result to process the sound source. It is composed of hardware and software for finding sound source content corresponding to the information and transmitting the found sound source content to the client device 110.

The portable device 120 is a device that can be connected to the client device 110 corresponds to an MP3, a mobile phone, and the like.

The client device 110 is a multimedia device that provides an audio service. For example, the client device 110 corresponds to a digital TV. In the present invention, the client device 110 provides a sound source content for a sound output in real time through the network 100. It receives the content from the server 130 and transmits to the portable device 120 connected to the client device 110 to update the function.

Next, the client device 110 will be described in detail with reference to FIG. 2. In the present invention, for convenience of description, the client device 110 will be described as limited to a digital TV. Of course, the client device 110 applied to the present invention is not limited to the digital TV, but may be a multimedia device of various forms.

As shown in FIG. 2, the client device 110 includes a controller 110-1, a user interface (UI: 110-2), a memory 110-3, a signal receiving module 110-4, and a signal processing module. 110-5, speaker 110-6, display 110-7, audio extraction and processing module 110-8, network communication module 110-9 and update module 110-10. .

The user interface 110-2 is a means for inputting a user event for controlling the client device 110. For example, the user interface 110-2 corresponds to a remote controller.

The memory 110-3 stores various programs and data for controlling the client device 110, and of course, programs for executing the flowchart of FIG. 3.

The signal receiving module 110-4 is composed of a tuner and a demodulation circuit as means for receiving broadcast signals.

The signal processing module 110-5 separates the broadcast signal received by the signal receiving module 110-4 from the video signal and the audio signal, and restores the broadcast signal to the display 110-7 and the speaker 110-6, respectively. Output it.

The audio extraction and processing module 110-8 is controlled by the controller 110-1 when a user event for sound source service request is input to the controller 110-1 through the user interface 110-2. The audio signal processed by the signal processing module 110-5 is extracted, and the extracted audio signal is processed into a form necessary for searching.

For example, a method of processing into a form required for retrieval may generate processing information for retrieval by sampling the extracted audio signal, and as another example, processing information may be generated by generating a fingerprint from the audio signal. Can be generated.

The fingerprint is information representing a unique characteristic of the sound source extracted from the sound source, and a method for generating a fingerprint is briefly described as a known technique as follows.

First, it framing into a specific frame, and then Fourier transform is performed to convert the sound source into the frequency domain. Then, the frequency component ABS value is obtained from the Fourier transformed sound source, and the frequency domain is divided. Next, each ABS value is squared to obtain energy for each divided region. After that, the granular fingerprint values are obtained through the bit derivation process.

The network communication module 110-9 is a means for enabling data communication with other devices connected to the network 100. In the present invention, information with the sound source content providing server 130 connected to the network 100 is provided. Send / receive

The update module 110-10 updates the sound source content searched and transmitted by the sound source content providing server 130 to the portable device 120 connected to the client device 110.

The controller 110-1 collectively controls the client device 110, and controls peripheral modules to provide a sound source content update service of the portable device 120 connected to the client device 110.

A sound source content transmission service providing method executed in the client device 110 under the control of the controller 110-1 will be described with reference to the flowchart of FIG. 3.

The controller 110-1 determines whether a user event for a sound source service request is input from the user interface 110-2 (S310).

When the user event for the sound source service request is input as a result of the determination of step 310 (S310), the controller 110-1 sends only a control signal to the audio extraction and processing module 110-8 to process only the audio information. To extract (S320).

Then, the extracted audio information is processed into a form necessary for searching (S330). The method of processing into the form required for the search is described in detail in the description of the audio extraction and processing module 110-8 above.

Next, the information processed in step 330 (S330) is transmitted to the sound source content providing server 130 through the network 100, and requests for transmission of the sound source content corresponding to the processed information (S340).

Then, based on the processed information, the sound source content searched and found by the sound source content providing server 130 is received from the sound source content providing server 130 through the network 100 (S350). Here, the sound source content includes sound source data and information data related to the sound source, and the information data related to the sound source means data such as a song name, a composer / writer name, a singer name, and the like.

Then, the client device 110 transmits and updates the sound source content received from the sound source content providing server 130 to the portable device 120 connected to the client device 110 (S360).

By such an operation, the client device 110 may receive the sound source content of the sound output in real time from the client device 110 from the sound source content providing server 130 and update the portable device 120.

Next, a process executed in the sound source content providing server 130 in relation to the sound source content delivery service providing method according to the present invention will be described with reference to the flowchart of FIG. 4.

The sound source content providing server 130 determines whether sound source content providing request information is received from the client device 110 connected to the network 100 (S410).

When the sound source content providing request information is received as a result of the determination in step 410 (S410), processing information necessary for searching is received from the client device 110 (S420).

After analyzing the received processing information (S430), the sound source content corresponding to the analyzed information is retrieved from the database (S440).

 The sound source content providing server 130 determines whether there is sound source content corresponding to the processing information in the search result database (S450).

If the sound source content corresponding to the processing information exists in the database as a result of the determination in step 450 (S450), the sound source content providing server 130 transmits the retrieved sound source content to the client device 110 (S460).

However, if the sound source content corresponding to the processing information does not exist in the database as a result of the determination in step 450 (S450), the sound source content providing server 130 may provide a service for the sound source content to the client device 110. The message notifying that there is no transmission (S470).

In this manner, the sound source content providing server 130 searches for the requested sound source content based on the processing information and transmits the requested sound source content to the client device 110.

Meanwhile, the above-described embodiments of the present invention can be written as a program that can be executed in a computer, and can be implemented in a general-purpose digital computer that operates the program using a computer-readable recording medium. In addition, the data used in the above-described embodiments of the present invention may be recorded on the computer-readable recording medium through various means.

The computer-readable recording medium may be a magnetic storage medium (for example, a ROM, a floppy disk, a hard disk, etc.), an optical reading medium (for example, a CD-ROM, DVD, etc.) and a carrier wave (for example, the Internet). Storage media).

So far I looked at the center of the preferred embodiment for the present invention. Those skilled in the art will appreciate that the present invention can be implemented in a modified form without departing from the essential features of the present invention. Therefore, the disclosed embodiments should be considered in descriptive sense only and not for purposes of limitation. The scope of the present invention is shown in the claims rather than the foregoing description, and all differences within the scope will be construed as being included in the present invention.

According to the present invention, by receiving the sound source content for the sound output in real time from the client device via the client device from the sound source content providing server and controlling the download to the portable device, the sound source output from the client device can be easily downloaded to the portable device. The effect is received.

Claims (5)

(a) extracting audio information from a broadcast signal received and processed by the digital TV according to a user event input and processing the audio information into a form necessary for searching; (b) transmitting the processed information in the step (a) to the sound source content providing server and requesting transmission of the sound source content corresponding to the processed information; (c) acquiring sound source content searched and transmitted by the sound source content providing server according to the request of step (b); And and (d) updating the sound source content obtained in step (c) to a device connected to the digital TV. The method of claim 1, wherein the sound source content includes sound source data and information data related to the sound source. The method of claim 1, wherein the step (a) is performed to extract audio information signaled from the digital TV according to a user event input to generate sampling data for retrieval. The method of claim 1, wherein the step (a) is performed to extract audio information signaled from the digital TV according to a user event input to generate a fingerprint required for searching. An audio extraction and processing module for extracting audio information from a broadcast signal received and processed by the digital TV according to a user event input and processing the audio information into a form required for searching; A network communication module for transmitting the processed information from the audio extraction and processing module to a sound source content providing server and receiving the sound source content corresponding to the processed information from the sound source content providing server; And And an update module for updating the sound source content received by the network communication module to the device connected to the digital TV.

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