KR20090059510A - Multimedia reproduction apparatus and method for searching dictionary using the same - Google Patents

Abstract

A multimedia replayer and method for searching a word in a dictionary using the replayer are provided to accurately and simply search a word using subtitle during the replay of multimedia stream. A multimedia replayer comprises: an input part(10) which receives the input of user for selecting a word to search in the output subtitle of multimedia stream; an input part controller(20) which detect the position information; a storage part(30) which stores the database of dictionary; and a controller(40) which recognizes the word corresponding to the input of user, searches the recognized word and outputs the search result.

Description

Multimedia playback apparatus and method for searching dictionary using the same}

The present invention relates to a multimedia player, and more particularly, to a multimedia player and a dictionary search method using the same.

Multimedia means that two or more digital media, such as text, images, sound, video, and animation, are merged together and elements that can interact with the computer system are added. Recent developments in computer technology have made it easier to access multimedia. In particular, there are closed captions and open captions in which subtitles are output when the video is reproduced, which can be determined by the user independently of the video signal.

Closed caption system refers to a technology that converts and transmits an auditory message, such as a voice or audio signal, in an electronic code form to appear as a commentary caption on a screen. The closed caption service is generally provided for viewing of a hearing impaired person, and may be used for language learning of children and foreigners.

The closed caption decoder acquires caption information from the video signal including the caption information, and generates a corresponding caption image signal from the obtained caption information. The caption image may be displayed together with the video image by mixing the caption image signal with the corresponding video image signal and outputting the same to the display device. The closed caption is distinguished from an open caption in that caption data is digitally encoded in a vertical blanking interval (VBI) of an image signal, and a user can select whether to play the caption.

On the other hand, in the case of encountering unknown words during the playback of the multimedia stream containing the subtitles in the prior art had to stop the playback of the multimedia stream and search for words using an electronic dictionary.

However, the prior art as described above has the following problems.

That is, in case of contact with unknown words during the playback of the multimedia stream, there is a problem in that a dictionary search cannot be performed directly using the multimedia playback device, and a separate electronic dictionary must be used.

Accordingly, an object of the present invention is to provide a multimedia player that simultaneously supports playback of a multimedia stream and a pre-search function.

According to an aspect of the present invention for achieving the above object, the present invention provides an input unit for receiving a user input for selecting a search word from the words constituting the output subtitles during the playback of the multimedia stream, and the playback screen of the user input An input unit controller for detecting position information of an image position, a storage unit storing a dictionary database, and a word corresponding to the user input, searching for the recognized word from the dictionary database, and outputting the search result It is configured to include a control unit.

On the other hand, the present invention is an input unit for receiving a user input for selecting a search word from the words constituting the output subtitle during the playback of the multimedia stream, an input unit controller for detecting the position information on the position on the playback screen of the user input, and the Internet And a communication unit for searching, and a controller for recognizing a word corresponding to the user input, searching for the recognized word through the communication unit, and outputting the search result.

In this case, the controller may recognize a word corresponding to the user input by using the time information on the location information and the input time.

The controller executes an application for outputting the same caption on the virtual screen at the same location at the same time as the output of the output subtitle, and uses the location information and the time information to search for a word corresponding to the user input through the application. I can recognize it.

The multimedia player may further include a memory unit for storing words and search results corresponding to the user input.

In this case, the memory unit may further store the output position and time of the subtitle data output on the virtual screen by the application.

The controller may output a word and a search result corresponding to the user input stored in the memory unit.

Meanwhile, the present invention relates to (a) playing a multimedia stream, (b) receiving a user input for selecting a search word, and (c) detecting location information of a position on a playback screen of the user input. And (d) recognizing a word corresponding to the user input, and (e) searching for and outputting a word corresponding to the user input.

In this case, step (c) further detects time information of the user input together with the location information, and step (d) recognizes a word corresponding to the user input by using the location information and time information. have.

In operation (d), a word corresponding to the user input may be recognized by using a virtual subtitle outputting the output subtitle at the same time and at the same location.

Also, in the step (d), when the user inputs the word, the search word may be recognized by detecting a word on the virtual subtitle of the location corresponding to the location information.

In this case, the step (e) may include (e1) searching for a word corresponding to the user input from a dictionary database, (e2) storing a search result from the dictionary database, and (e3) Outputting may be performed.

In the step (e), (e1) searching for a word corresponding to the user input through internet communication, (e2) storing a search result through the internet communication, and (e3) Outputting may be performed.

As described in detail above, according to the media player and the search method supporting the dictionary function according to the present invention, the following effects can be expected.

That is, when the dictionary search is to be performed during the playback of the multimedia stream, there is an advantage that the word can be directly searched using the multimedia player without using a separate electronic dictionary.

In addition, according to the present invention, since the dictionary search can be performed directly by using the subtitles output during the playback of the multimedia stream, there is an advantage that the word can be searched more accurately and simply.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the multimedia player according to the present invention as described above will be described in detail.

1 is a block diagram showing a multimedia playback apparatus constituting a specific embodiment of the present invention.

As shown in FIG. 1, the multimedia player according to the present invention includes an input unit 10. The input unit 10 receives a user input for selecting a search word from a word constituting an output subtitle during reproduction of a multimedia stream. In this case, the output subtitle means a caption output during playback of the multimedia stream. In addition, the search word refers to a word that a user wants to perform a dictionary search among words constituting a subtitle output during playback of the multimedia stream.

In addition, the multimedia playback apparatus according to the present invention includes an input controller 20. At this time, the input unit controller 20 detects the position information of the position on the playback screen of the user input. That is, when a user inputs a search word from a word constituting an output subtitle while playing the multimedia stream using the mouse, a touch screen, or a stylus pen, the input controller 20 may input the user input. Information on a point located on the playback screen can be detected. In this case, the position information detected by the input unit controller 20 may be a coordinate value of a specific point on the playback screen.

In addition, the multimedia player according to the present invention comprises a storage unit 30. The storage unit 30 stores one or more dictionary databases. For example, the storage unit 30 may store a dictionary database including a Korean dictionary, an English-Korean dictionary, or an English-English dictionary. In this case, the dictionary database may add or modify new word information. In addition, the dictionary database stored in the storage unit 30 may be downloaded and upgraded by connecting a multimedia player to a computer.

In addition, the multimedia player according to the present invention includes a controller 40. In this case, the controller 40 may recognize a word corresponding to the user input by using the location information and time information. In this case, the location information means information on the location on the playback screen of the user input, the time information means information on the playback time of the multimedia stream when the user input is received.

The controller 40 executes an application for outputting the same caption on the virtual screen at the same location at the same time as the output of the output subtitle, and responds to the user input through the application by using the location information and time information. Can recognize words.

At this time, the application outputs the same subtitles on the virtual screen at the same position as the output subtitles output during reproduction of the multimedia stream. By the execution of the application, a virtual subtitle is output on the virtual screen. In this case, the virtual subtitle means a subtitle outputted with the same content on the virtual screen at the same position as the output of the output subtitle. The virtual subtitles are not provided to provide a subtitle to a user, but are output to recognize a word corresponding to the user input. Accordingly, the controller 40 may recognize a word corresponding to a user input through the application using the location information and time information.

In more detail, when the user input is received while playing the multimedia stream, the controller 40 recognizes a word corresponding to the user input by executing the application. That is, the controller 40 may recognize the word of the point corresponding to the position on the playback screen of the user input among the virtual subtitles output on the virtual screen at the time of the user input by using the application.

In this case, since the output subtitle and the virtual subtitle are simultaneously output to the same position on the playback screen and the virtualization screen, if the user input for selecting a search word from among words constituting the output subtitle during playback of the multimedia stream, the search word and the virtual subtitle are output. It is possible to recognize the same word from the virtual subtitle.

The controller 40 may search a word corresponding to the user input to each of one or more dictionary databases and output a plurality of dictionary database search results. In addition, the search results are output on a display screen on which the multimedia stream is played. That is, when a user input is received while playing the multimedia stream, a new window window is generated on the display screen on which the multimedia stream is played and the search result is output.

In addition, the search result may be output in a state in which playback of the multimedia stream is stopped or may be output in a state in which the playback of the multimedia stream continues.

On the other hand, the multimedia player constituting another embodiment of the present invention may further comprise a memory unit 50. At this time, the memory unit 50 may further store the output position and time of the subtitle data output on the virtual screen by the application. In addition, the memory unit 50 stores words and search results corresponding to the user input. The controller 40 may output a word and a search result corresponding to the user input stored in the memory unit 50.

In more detail, the memory unit 50 may further store the output position and time of the caption data output on the virtual screen by the application. If there is, the memory unit 50 may store the word corresponding to the user input and the search result without interrupting the playback, and then output the memory at the request of the user. In addition, the memory unit 50 stores a word recently input by the user and a search result according to the user's request, and transmits a signal to the controller 40 when the user requests a request again. For example, the memory unit 50 may store the last 10 words input by the user and the respective search results.

2 is a block diagram showing a multimedia player for constructing another embodiment of the present invention.

Multimedia playback apparatus according to the present invention comprises an input unit (10). The input unit 10 receives a user input for selecting a search word from a word constituting an output subtitle during reproduction of a multimedia stream.

In addition, the multimedia playback apparatus according to the present invention includes an input controller 20. The input unit controller 20 detects location information of a location on a playback screen of the user input. In this case, the position information detected by the input unit controller 20 may be a coordinate value of a specific point on the playback screen.

In addition, the multimedia player according to the present invention comprises a communication unit 60. The communication unit 60 may perform an Internet search for a word corresponding to the user input by the control unit 40 to be described later.

In addition, the multimedia player according to the present invention includes a controller 40. In this case, the controller 40 may recognize a word corresponding to the user input by using the location information and the time information. The controller 40 executes an application for outputting the same caption on the virtual screen at the same location at the same time as the output of the output subtitle, and responds to the user input through the application by using the location information and time information. Can recognize words.

At this time, the application outputs the same subtitles on the virtual screen at the same position as the output subtitles output during reproduction of the multimedia stream. By the execution of the application, a virtual subtitle is output on the virtual screen. The virtual subtitles are not provided to provide a subtitle to a user, but are output to recognize a word corresponding to the user input. Accordingly, the controller 40 may recognize a word corresponding to a user input through the application using the location information and time information.

In more detail, when the user input is received while playing the multimedia stream, the controller 40 recognizes a word corresponding to the user input by executing the application. That is, the controller 40 may recognize the word of the point corresponding to the position on the playback screen of the user input among the virtual subtitles output on the virtual screen at the time of the user input by using the application.

In this case, since the output subtitle and the virtual subtitle are simultaneously output to the same position on the playback screen and the virtualization screen, if the user input for selecting a search word from among words constituting the output subtitle during playback of the multimedia stream, the search word and the virtual subtitle are output. It is possible to recognize the same word from the virtual subtitle.

The controller 40 searches for a word corresponding to the user input by the communication unit 60 through internet communication. The controller 40 may perform a search from an internet site predetermined by a user to search for a word corresponding to the user input.

In addition, the search results are output on a display screen on which the multimedia stream is played. That is, when a user input is received while playing the multimedia stream, a new window window is generated on the display screen on which the multimedia stream is played and the search result is output. The search result may be output in a state in which playback of the multimedia stream is stopped or in a state in which playback of the multimedia stream is continued according to a user's selection.

On the other hand, the multimedia player constituting another embodiment of the present invention may further comprise a memory unit (50). At this time, the memory unit 50 may further store the output position and time of the subtitle data output on the virtual screen by the application. In addition, the memory unit 50 stores words and search results corresponding to the user input. The controller 40 may output a word and a search result corresponding to the user input stored in the memory unit 50.

In more detail, the memory unit 50 may further store the output position and time of the caption data output on the virtual screen by the application. If there is, the memory unit 50 may store the word corresponding to the user input and the search result without interrupting the playback, and then output the memory at the request of the user. In addition, the memory unit 50 stores a word recently input by the user and a search result according to the user's request, and transmits a signal to the controller 40 when the user requests a request again. For example, the memory unit 50 may store the last 10 words input by the user and the respective search results.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the dictionary search method using a multimedia playback apparatus according to the present invention as described above will be described in detail.

3 is a detailed flowchart illustrating a dictionary search method using a multimedia player according to a specific embodiment of the present invention.

As shown in FIG. 3, the pre-search method using the multimedia player according to the present invention starts from the step of playing the multimedia stream (S100). In this case, the multimedia stream refers to a continuous flow of multimedia data composed of two or more digital media such as text, image, sound, video, animation, etc., and an element capable of interacting with a computer system. .

Next, it is determined whether the video signal generated by the reproduction of the multimedia stream includes subtitle information (S110). In this case, when the video signal includes the caption information, step 120 is performed. When the video signal does not include the caption information, step 100 is performed, that is, the multimedia stream is played.

Subsequently, when the video signal includes the caption information in operation 110, it is determined whether a user input for selecting a search word has been received (S120). That is, it is determined whether a user inputs a search word during reproduction of the multimedia stream by using a mouse, a touch screen, or a stylus pen.

In this case, if a user input for selecting a search word is received, step 130 is performed. On the other hand, if a user input for selecting a search word is not received, step 100 is performed, that is, playing the multimedia stream. do.

Next, when receiving a user input for selecting a search word in step 120, location information and time information of the user input are detected (S130). The detection of location information and time information of the user input is for recognizing a word corresponding to the user input using a virtual subtitle. In this case, the virtual subtitle means subtitles in which subtitles having the same configuration as the output subtitles are output at the same position as the output subtitles. The virtual subtitles are not provided to provide a subtitle to a user, but are output to recognize a word corresponding to the user input.

Subsequently, a word corresponding to the user input is recognized (S140). At this time, the word corresponding to the user input is recognized using the location information and time information. That is, the word corresponding to the user input is recognized by using the virtual subtitle outputted at the same playback screen at the same output time as the output subtitle. That is, an application for outputting the same caption on the virtual screen at the same location is executed at the same time as the output of the output subtitle, and the word corresponding to the location information and the time information of the user input can be recognized through the application.

Next, a word corresponding to the user input is searched from the dictionary database (S150). In this case, the dictionary database may include information such as a Korean dictionary, an English-Korean dictionary, or an English-English dictionary. The multimedia player may be connected to a computer to download or upgrade the dictionary database. In addition, according to the dictionary search method using the multimedia player according to the present invention, the multimedia player must include a storage unit 30 for storing a dictionary database.

Subsequently, words and search results corresponding to the user input are stored (S160). This is to store the word corresponding to the recent user input and the search result according to the user's request, and to output the search result more quickly. In addition, even if there is a user input for selecting a search word during playback of the multimedia stream according to a user's selection, the word and the search result corresponding to the user input are memorized without interrupting the playback, and thereafter the user's request. To print.

Finally, the search result is output (S170). A plurality of search results may be output according to the type of the dictionary database, and any one of the plurality of search results may be selected and output by a user.

In this case, the search result is output on a display screen on which the multimedia stream is played. That is, when a user input is received while playing the multimedia stream, a new window window for outputting the search result is generated on a display screen on which the multimedia stream is played. In addition, the search result may be output in a state in which playback of the multimedia stream is stopped or may be output in a state in which the playback of the multimedia stream continues.

4 is a detailed flowchart illustrating a dictionary search method using a multimedia player according to another embodiment of the present invention in detail.

As shown in Figure 4, the pre-search method using the multimedia player according to the present invention starts from the step of playing the multimedia stream (S200).

Next, it is determined whether the video signal generated by the reproduction of the multimedia stream includes caption information (S210). In this case, if the video signal includes the caption information, step 220 is performed. If the video signal does not include the caption information, step 200 is performed, that is, the multimedia stream is played.

Subsequently, when the video signal includes the caption information in operation 210, it is determined whether a user input for selecting a search word is received (S220). In this case, if a user input for selecting a search word is received, step 230 is performed. On the other hand, if a user input for selecting a search word is not received, step 200 is performed, that is, playing the multimedia stream. do.

Next, when receiving a user input for selecting a search word in operation 220, location information and time information of the user input are detected (S230). The detection of the location information and time information is for recognizing a word corresponding to the user input using a virtual subtitle. The virtual subtitles are not provided to provide a subtitle to a user, but are output to recognize a word corresponding to the user input.

Subsequently, a word corresponding to the user input is recognized (S240). At this time, the word corresponding to the user input is recognized using the location information and time information. That is, the word corresponding to the user input is recognized by using the virtual subtitle outputted at the same playback screen at the same output time as the output subtitle.

Next, a word corresponding to the user input is searched through internet communication (S250). Therefore, according to the dictionary search method using the multimedia player according to the present invention, the multimedia player must include a communication unit 60 for searching the Internet for a word corresponding to the user input.

Subsequently, words and search results corresponding to the user input are stored (S160). This is to output the search result more quickly when a user re-requests by storing a word corresponding to a recent user input and a corresponding search result. In addition, even if there is a user input for selecting a search word during the playback of the multimedia stream according to the user's selection, the word and the search result corresponding to the user input are memorized without being interrupted and then output when there is a user's request. To do this.

Finally, the search result is output (S270). In this case, the search result is output on a display screen on which the multimedia stream is played. That is, a new window window for outputting the search result is generated on the display screen on which the multimedia stream is played. In addition, the search result may be output in a state in which playback of the multimedia stream is stopped or may be output in a state in which the playback of the multimedia stream continues.

The rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and those skilled in the art can make various modifications and adaptations within the scope of the claims. It is self-evident.

1 is a block diagram showing a multimedia playback apparatus constituting a specific embodiment of the present invention.

2 is a block diagram showing a multimedia player for constructing another embodiment of the present invention;

3 is a detailed flowchart illustrating a dictionary search method using a multimedia player according to a specific embodiment of the present invention in detail.

4 is a detailed flowchart illustrating a dictionary search method using a multimedia player according to another embodiment of the present invention in detail.

Explanation of symbols on the main parts of the drawings

10: input unit 20: input unit controller

30: storage unit 40: control unit

50: memory unit 60: communication unit

Claims (13)

An input unit configured to receive a user input for selecting a search word from a word constituting an output subtitle while playing a multimedia stream; An input unit controller for detecting position information of a position on a reproduction screen of the user input; A storage unit for storing a dictionary database; And And a controller for recognizing a word corresponding to the user input, searching for the recognized word from the dictionary database, and outputting the search result. An input unit configured to receive a user input for selecting a search word from a word constituting an output subtitle while playing a multimedia stream; An input unit controller for detecting position information of a position on a reproduction screen of the user input; Communication unit for searching the Internet; And And a controller for recognizing a word corresponding to the user input, searching for the recognized word through the communication unit, and outputting the search result. The method according to claim 1 or 2, The control unit, And recognizing a word corresponding to the user input by using the location information and time information on the input time. The method of claim 3, wherein The control unit, And executing an application for outputting the same subtitle on the virtual screen at the same location at the same time as the output of the output subtitle, and using the location information and the time information, recognizing a word corresponding to the user input through the application. Multimedia playback apparatus. The method of claim 4, wherein The multimedia player, And a memory unit for storing words and search results corresponding to the user input. The method of claim 5, wherein The memory unit, And storing the output position and time of the caption data output on the virtual screen by the application. The method of claim 6, The control unit, And a word corresponding to the user input and a search result stored in the memory unit. (a) playing the multimedia stream; (b) receiving a user input for selecting a search word; (c) detecting location information of a location on a playback screen of the user input; (d) recognizing a word corresponding to the user input; And and (e) searching for and outputting a word corresponding to the user input. The method of claim 8, Step (c) is, Detecting time information of the user input together with the location information: In step (d), And a word corresponding to the user input by using the location information and the time information. The method of claim 9, In step (d), And a word corresponding to the user input using a virtual subtitle outputting the output subtitle at the same time and at the same position. The method of claim 10, In step (d), And a search word is recognized by detecting a word on a virtual subtitle of a position corresponding to the location information when a user inputs the same. The method of claim 11, In step (e), (e1) searching for a word corresponding to the user input from a dictionary database; (e2) storing the search results from the dictionary database; And (e3) A dictionary search method using a multimedia playback apparatus, characterized in that is performed including the step of outputting the search results. The method of claim 11, In step (e), (e1) searching for a word corresponding to the user input through internet communication; (e2) storing the search results through the Internet communication; And (e3) a dictionary search method using a multimedia player, characterized in that it comprises the step of outputting the search results.

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