KR20100071733A - Web data translator and browsing service providing method using the web data translator - Google Patents

Abstract

PURPOSE: A web data converter and a browsing service providing method using the same are provided to use various services and information in a terminal without an internet browser. CONSTITUTION: A webpage analyzing unit(320) grasps a kind of a tag corresponding to a coordinate value received from a user terminal. A video/audio converting unit(350) converts input contents into audio of the first format or video of the second format according to whether input contents inputted from the webpage analyzing unit are video or audio. A communication unit(380) accesses an external contents server according to a request of a user or a request of a webpage converting unit inputted from a management unit. The communication unit obtains the webpage that the user requests.

Description

Web data translator and browsing service providing method using the web data translator}

The present invention relates to an apparatus and method for enabling an internet browsing service by converting various types of information for a browsing service into an audio or video format for reading by a user terminal.

Currently, netizens access the Internet through various user terminals (eg, computers, mobile phones, PDAs, IPTVs, etc.) and receive various kinds of information from the Internet.

Such access to the Internet and use of information are made by a web browser or a WAP browser mounted on the user terminal.

An internet browser (collectively referred to as a web browser and a swap browser) connects to the Internet, connects to a web site desired by the user, and calls information on the web page (images, flash animations, link information, etc.) and provides the same to the user terminal.

Therefore, in order to surf the Internet, an Internet browser must be mounted on the user terminal. If the user does not have an Internet browser, the user terminal cannot access the Internet and receive services or information.

An object of the present invention is to provide a web information converter and a browsing service providing method using a web information converter that can use various services and information provided by the Internet even in a terminal which is not equipped with an internet browser.

The present invention for achieving the above technical problem is to provide a browsing service in conjunction with a service management server that supports the first type of audio and the second type of video and performs direct data communication with the user terminal having a touch screen function Provide web information converter. The web information converter provides an interface for the browsing service to the user terminal, a management unit in charge of communication with the service management server, and analyzes the received web page to provide link information (coordinate values on the web page and corresponding coordinates). A web page analysis unit for obtaining a tag corresponding to a value and a link address), converting the web page into a still image, and outputting the converted web page, and grasping link information according to a coordinate value received from the user terminal. Pre-processing unit for performing a pre-processing operation for converting the information other than the web page of the information into the audio of the first format or the video of the second format, input from the web page analysis unit, the preprocessor Depending on whether water is video or audio, the input water may be audio or video in the first format. A video / audio converter for converting and outputting a video of a second format, and accessing an external content server designated by the user terminal according to the browsing service request or the link information received through the manager or the webpage converter; And a communication unit for acquiring first information and providing the first information to the web page converter or the preprocessor according to the acquired first information.

The present invention for achieving the above technical problem provides a browsing service providing method using a web information converter. The method may include a first step in which a user terminal calls a service management server to request a browsing service, a second step in which the service management server provides access information to a content server requested by the user terminal to a web information converter; And a third step of the web information converter connecting to the content server to receive web information and converting the received web information into a format of an audio or video codec supported by a user terminal according to the type of web information. do.

According to the above-described embodiment, the present invention enables the user to surf the Internet to a user terminal not equipped with an internet browser.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise. In addition, the terms “… unit”, “… unit”, “module”, etc. described in the specification mean a unit that processes at least one function or operation, which may be implemented by hardware or software or a combination of hardware and software. have.

Now, with reference to the accompanying Figures 1 to 3 will be described a web information converter for a browsing service in an embodiment of the present invention.

1 is a block diagram of a service network according to an embodiment of the present invention. As shown in FIG. 1, a service network according to an embodiment of the present invention includes a user terminal 100, a service management server 200, a web information converter 300, and at least one content server 410, 420, 430. And the like).

Although the user terminal 100 is not equipped with an internet browser, the user terminal 100 is a terminal capable of data communication with the service management server 200 through an IP (Internet Protocol) network through a communication module (not shown). The user terminal 100 makes a call connection with the service management server 200 through a wired or wireless data call line, and the service management server through Real-time Transport Protocol (RTP) / Real-time Transport Control Protocol (RTCP). Perform data communication with 200.

The user terminal 100 basically has a DTMF (Dial Tone Multi Frequency), a text overlay function, a touch screen function, digital TV viewing, VoD (Video on Demand), video telephony, MPEG (Moving) Picture Experts Group), MP3, etc., the terminal performs at least one function.

The user terminal 100 has a video codec and an audio codec for a corresponding function. Video codecs currently widely used worldwide include H.264, H.263, MPEG-2, and MPEG-4. Audio codecs include G729, G722, G723, G711, MP3, AAC, and AAC +.

The user terminal 100 uses one of the video codecs and one of the audio codecs. Hereinafter, it will be described that the user terminal 100 uses H.263 as a video codec and G711 as an audio codec.

The service management server 200 is assigned a call number for the call connection of the user terminal 100, and serves as a data relay between the user terminal 100 and the web information converter 300 connected to the call. In this case, the relay role receives a user input from the user terminal 100 such as information of an Internet site to be accessed, information of an Internet address to be linked, or information of a media to be played (eg, flash animation, an image, a video, etc.), and the user input. To the web information converter 300 to receive the corresponding result from the web information converter 300 and to provide it to the user terminal (100).

The web information converter 300 may recognize the contents of a specific site that the user terminal 100 will access and provide instead of the function of the Internet browser which is not mounted in the user terminal 100. It is converted into a form (eg, H.263 or / and G711) is provided to the user terminal 100 through the service management server 200.

The web information converter 300 includes a video encoding function, an audio encoding function, a decoding function, a text overlay and a DTMF processing function, a still image conversion function, a web page conversion and touch screen processing function, a flash animation conversion function, a communication function, and an AVI. (Audio Video Interleave) Performs file creation.

The video encoding function encodes a decoded video signal to H.263 using a filter graph or a conversion module. Optionally, you can set the frame size, bit rate, encoding time, and frame per second (FPS). The maximum video size is VGA (640 x 480), which supports QCIF, CIF, and QVGA.

The audio encoding function is to encode the audio signal decoded by the filter graph into G711. The encoded audio signal is decoded using audio codecs (eg, G723, G729, MP3, OGG, AAC, AAC +, AC3, etc.). The decoding function is to decode the input H.263 format video / G711 format video / audio using a filter graph.

The text overlay and DTMF processing function converts the input text data into image data and overlays it on the video frame, and enables the user to specify the font, color, size, and overlay position of the text. The body overlay and DTMF processing function converts the number corresponding to the DTMF input signal into an edit box window of a web page dedicated to DTMF processing and converts it into a video signal. The numeric input according to the DTMF is performed in the user terminal 100, and the DTMF processing function confirms by providing the user with the number (that is, the number input by the user) converted into a video signal corresponding to the numeric input according to the DTMF. .

The still picture converting function decodes still pictures of various codecs and converts them into H.263 files. Still image encoding supports JPEG, GIF (including multiple frames). The still image converting function allows the user to adjust the size, contrast, brightness, etc. of the input still image. The still picture converting function also allows the user to specify the converted time when converting a still picture into a video signal.

Web page conversion and touch screen processing function divides web page into HTML file part and link part, converts HTML file part into H.263 file, and information about link part (hereafter link information) (e.g. coordinate value, link part) The type of tag, hyperlink, etc.). The web page is obtained by selecting a local HTML file or by URL input. At this time, the type of HTML tag to be analyzed is limited enough to realize a hyperlink based on a touch screen coordinate value. This function can perform various image processing on frames corresponding to a web page as in the case of a still image.

Flash Animation Conversion analyzes files in Flash Animation format and converts them to H.263 streams. Flash animation files that are not in video format are generated as H.263 streams through analysis, frame extraction, and conversion.

Communication function is a function to read web pages in conjunction with an internet server or to upload a converted AVI file to an internet server or to transfer it to a designated directory of a designated system for storage.

The AVI file generation function should store the converted video and audio signals in AVI file format. It supports DVX file format in addition to AVI file.

Next, the content server (410, 420, 430, etc.) is an Internet server existing on the Internet to provide a web page, content, flash animation, etc. requested by the web information converter 300.

Accordingly, the user terminal 100 may exchange packets or streams with the service management server 200 through the RTP / RTCP protocol to use the result of various functions provided by the web information converter 300, and accordingly, the Internet browser Surfing the net is possible without the.

On the other hand, DTMF processing and touch screen processing function allows the user to input the address of a web page that he / she wants, to call a specific link (image or other web page) in the web page, or to execute a user input that can execute a flash animation. Make it possible.

Hereinafter, the web information converter according to an embodiment of the present invention will be described in detail with reference to FIG. 2. 2 is a block diagram of a web information converter according to an exemplary embodiment of the present invention.

The web information converter 300 obtains the content or information requested by the user from the content server 41, 420, 430, etc., and obtains the content or information (eg, videos, still images, flash animations, web pages, etc.). ) To convert H.263 / G.711 Video to various video and audio codecs.

To this end, as shown in FIG. 2, the web information converter 300 includes a video / audio conversion including a management unit 310, a web page analyzer 320, a flash analyzer 330, and a media codec unit 340. The unit 350 includes an image converter 360, an AVI generator 370, and a communication unit 380.

The management unit 310 is responsible for the interface with the user, and provides a video option setting function, audio option setting function, source view function, input file property view function, upload file setting function, and the like for the interface with the user. In addition, the management unit 310 performs a DTMF processing function and a touch screen processing function to grasp user input, and also reads a message input from the service management server 200 to grasp the user input.

The video option setting allows the user to set options for the output H.263. Here, the H.263 option sets the frame size, FPS (frames per second), bit rate, current time, reference frame period, contrast, brightness, and the like. By default, frame size, brightness, contrast, and current time take the value of the incoming video signal.

The audio option setting function allows the user to set the options of the output G711, that is, the setting for the G711 compression method. Source View Function This is the view function for the input source. The source view function allows the user to preview the input flash animation file and still image. In the case of Flash animation, user input is possible.

The input file property view function allows the user to view the properties of the input medium. The properties of the input file include the codec type, the size of the video (including still images), time, and bit rate. The upload file setup function configures the video file to upload and the path of the Internet server.

The web page analyzer 320 analyzes the web page to obtain link information (coordinate values on the web page where the link is located and types of tags corresponding to the coordinate values) and to display a still image of the web page (eg, HTML view). (Eg bitmap). In this case, the output still image is input to the video / audio converter 350. In addition, the web page analyzing unit 320 uses the link information obtained through the analysis in conjunction with the touch screen processing function to determine what link information the user has selected. In this case, the link information and the touch screen processing function are linked to coordinate information on the touch screen touched by the user and link information to determine a tag type.

The flash analyzer 330 analyzes an input flash file to extract a frame and output the frame as a still image (eg, a bitmap), and extracts a voice to output an audio signal. The still picture and the audio output by the flash analyzer 330 are input to the video / audio converter 350. The still picture of the frame input to the video / audio converter 350 is converted into an H.263 stream, and the audio is converted into audio of a G711 format.

The media codec unit 340 includes applications that perform a G711 codec function, an H.263 encoder function, and an H.263 decoder function. The G711 codec function, for example, performs conversion between the PCM format and the G711 format, encodes a PCM format file into a G711 format file, and decodes a G711 format file into a PCM format file. The H.263 encoder function encodes incoming information in H.263 format. For example, it encodes data in RGB or YUV format into H.263 format video. The H.263 decoder function decodes an incoming H.263 format, for example, decoding a file in H.263 format into a file in RGB or YUV format.

The video / audio converter 350 grasps various kinds of input information and controls the media codec unit 340 according to the type of information to be converted into an H.263 format or a G711 format. The video / audio converter 350 has a filter registration function. The filter registration function enables registration of the H.263 encoder filter and the G711 encoder filter. However, the flash, HTML, and still image are converted by the flash analyzer 330, the webpage analyzer 320, and the image converter 360 without using a registered filter.

The image converting unit 360 performs a still image converting function, a text overlay, and a DTMF processing function. The still picture converting function converts a still picture (eg, JPEG, GIF, etc.) into a bitmap and provides it to the video / audio converting unit 350. The AVI generator 370 performs a decoding function of separating an AVI file into video and audio and an encoding function of generating an AVI file from audio and video data.

The communication unit 380 is configured to perform a communication function. The communication unit 380 accesses the content server 410, 420, 430, or the like, and reads a web page or uploads the converted video content to the content server 410, 420, 430.

In the above, the flash analyzer 330, the webpage analyzer 320, the image converter 360, and the AVI generator 370 perform a preprocessing operation to convert media that are not in video format into H.263 / G711. In the configuration, this is collectively referred to as a preprocessing unit.

Hereinafter, a browsing service providing method using a web information converter according to an embodiment of the present invention will be described with reference to FIG. 3. 3 is a flowchart illustrating a method of providing a browsing service using a web information converter according to an exemplary embodiment of the present invention.

The user transmits a message requesting the use of the service of the present invention to the service management server 200 using the user terminal 100 (S301). The service management server 200 requests the input of the address (that is, the URL) of the web site to use the service (S302), the user the URL information through a window for inputting the URL through the user terminal 100 Provide the included message to the service management server 200 (S303).

Here, instead of requesting URL input from the user terminal 100, the service management server 200 may request the homepage of the portal site set as a default from the web information converter 300 and provide it to the user terminal 100. Alternatively, the service management server 200 may provide the user terminal 100 with a web site list set as a default so that the user may select one of the web site lists.

On the other hand, when the service management server 200 receives the URL information of the web site to use the service from the user terminal 100 through a message, to grasp the URL information in the received message and the URL information Web information converter 300 Provided to (S304).

Then, the web information converter 300 determines the address of the site to be accessed by the URL provided by the service management server 200 (S305), and accesses the web site of the corresponding address, that is, the content server 410, to the home page ( Web page that appears first) (S306).

According to the request of the web information converter 300, the content server 410 provides a file corresponding to its home page to the web information converter 300, and the web information converter 300 analyzes the received home page file. (S307).

Through this analysis, the web information converter 300 grasps the link (that is, the tag type, the link address) and the coordinate value corresponding to the link information on the home page, and previews as shown on the screen. Converts the home page output through the preview into a still image, and converts the still image into an H.263 format file. In addition, if there is information on which audio is output on the home page, the web information converter 300 converts the information into a G711 format audio file (S309).

The web information converter 300 provides the converted file to the user terminal 100 through the service management server 200 (S310 and S311).

The user terminal 100 receiving the converted file in the format of H.263 or / and G711 outputs the converted file on the touch screen using the self-mounted H.263 and G711 (S312).

Accordingly, the user checks the home page of the content server 410 output on the screen of the user terminal 100, and touches a desired link on the home page (ie, on the screen) (S314). Of course, the user may scroll to the home page displayed on the touch screen or input an address (ie, URL) of another web site by calling a URL input window.

The user terminal 100 detects the user's touch on the screen, grasps the coordinate value on the touched screen, and provides the determined coordinate value to the web information converter 300 through the service management server 200 (S315).

The web information converter 300 recognizes a tag type or a hyperlink address matched with the received coordinate value by matching the received coordinate value with the link information determined at the time of home page analysis (S316). Here, the hyperlink is matched with the coordinate value.

Then, the web information converter 300 accesses the content server 410 according to the identified hyperlink address, requests information (eg, web page, flash animation, etc.) linked to the corresponding address (S317), and the content server 410. ) Provides the corresponding information according to the request of the web information converter 300 (S318).

When the web information converter 300 receives the corresponding information from the content server 410, if the corresponding information is a flash animation, the web information converter 300 uses the flash analyzer 330 and the video / audio converter 350 to display the video in the H.263 format. The video is converted to audio in the G711 format, and in the case of an image, the video is converted into the video in the H.263 format through the image converter 360 and the video / audio converter 350. When the information is a web page, the web page analysis unit 320 and the video / audio converter 350 convert the video to H.263 format, and in the case of a still image or a document, the image converter 360 The video / audio converter 350 overlays the output video according to the H.263 format video or body overlay function (S319).

When the web information converter 300 converts the received information into H.263 format video or G711 format audio, the converted result is transmitted to the user terminal 100 through the service management server 200 according to the touch of the touch screen. Provided as a response result (S320, S321).

When the user terminal 100 receives the response result from the web information converter 300 and outputs it on the touch screen screen through its own H.263 or G711 (S322).

Thereafter, the user terminal 100 may continuously surf the web by touching the touch screen or providing a new URL address through a URL input window.

The embodiments of the present invention described above are not only implemented by the apparatus and method but may be implemented through a program for realizing the function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded, The embodiments can be easily implemented by those skilled in the art from the description of the embodiments described above.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

1 is a block diagram of a service network according to an embodiment of the present invention.

2 is a block diagram of a web information converter according to an exemplary embodiment of the present invention.

3 is a flowchart illustrating a method of providing a browsing service using a web information converter according to an exemplary embodiment of the present invention.

Claims (9)

A management unit for providing and managing an interface for a browsing service to a user terminal; Analyze the received web page to obtain link information (including the coordinate value on the web page, the type of tag corresponding to the coordinate value, and the link address), convert the web page into a still image, and output it. Web page analysis unit for identifying the type of the tag corresponding to the coordinate value received from, A video / audio converter converting the input into a first format audio or a second format video according to whether the input input from the web page analyzer is video or audio, and And a communication unit for accessing an external content server in response to a user's request input from the management unit or a request of the web page conversion unit to obtain the web page requested by the user. The method of claim 1, When the communication unit receives the first information other than the web page from the content server, the pre-processing unit for performing a pre-processing operation for converting the first format of the audio or video of the second format for each type of the first information Web information converter further comprising. The method of claim 2, The preprocessing unit, A flash analyzer which extracts a frame and a voice by analyzing a received flash file and outputs the frame as a still picture and outputs the voice as an audio signal to the video / audio converter; An image converter converting a received still image into a bitmap and outputting the bitmap to the video / audio converter, and converting a received sentence or a number corresponding to a Dial Tone Multi Frequency (DTMF) signal into an overlayed still image; An AVI generator that separates the received AVI (Audio Video Interleave) file into video information and audio information and outputs it to the video / audio converter, and an AVI generator that performs an encoding function to generate an AVI file from the received audio and video data. Web information converter comprising at least one of. The method according to any one of claims 1 to 3, Wherein the first format is H.263 and the second format is G711. The method of claim 4, wherein And the AVI generator further uploads an AVI file generated through the encoding function to a content server designated by a user through the communication unit. The method of claim 5, The management unit further includes a function for performing data transmission and reception with a service management server connected to the user terminal and the data call, and the web information converter to interface with the user terminal via the service management server. A first step of requesting a browsing service from a user terminal by accessing a service management server; A second step of the service management server providing the web information converter with access information to the content server requested by the user terminal; and And a third step of the web information converter connecting to the content server to receive web information, and converting the received web information into a format of an audio or video codec supported by a user terminal according to the type of web information. A method of providing a browsing service using a web information converter. The method of claim 7, wherein When the web information converter receives a coordinate value from the user terminal displaying the converted web information on the touch screen screen through the service management server, the web information converter identifies a first tag corresponding to the coordinate value. And a fourth step of performing an operation included in the first tag and converting the result of the operation into a format of the audio or video codec to provide to the user terminal. 9. The method according to claim 7 or 8, The video codec is H.263 and the audio codec is G711. The method of providing a browsing service using a web information converter.

Images