KR100755815B1 - Digital data Player for television and Method thereof - Google Patents

Abstract

The present invention relates to a digital data reproducing apparatus and a method for providing the same, wherein the digital data reproducing apparatus is connected to a television, and the digital data reproducing apparatus receives digital data and reproduces the same through the television. A key input unit for outputting control signals, a memory card slot into which an external memory card is inserted and used for data input and output, and a temporary storage location for data, and an operation program for driving the digital data reproducing apparatus and reproduction according to data type A memory unit for storing a program, a digital signal processor for separating and outputting digital data input from the external memory card inserted into the memory card slot into a video signal and an audio signal, and outputting the video signal output from the digital signal processor to the television. Possible to display on A video signal processor for processing a signal and outputting the signal to the television, and a voice signal processor for processing the audio signal output from the digital signal processor as a signal output to a sound device of the television and outputting the signal to the television. And a main controller for controlling the memory card slot, the memory unit, the digital signal processor, the video signal processor, and the audio signal processor according to a control signal to reproduce digital data through the television. Device.

According to the present invention, digital data stored in an external memory card can be conveniently and efficiently reproduced through a television, and digital data of various formats can be reproduced through television.

Digital data playback, TV system, video input, external memory card, card slot

Description

Digital data reproducing apparatus and its providing method {Digital data Player for television and Method

1A is a schematic diagram of a television system using a digital data reproducing apparatus according to a preferred embodiment of the present invention.

1B is a schematic diagram of a television system using a digital data reproducing apparatus according to another preferred embodiment of the present invention.

2 is a block diagram of a digital data reproducing apparatus according to an exemplary embodiment of the present invention.

3 is an operational flowchart of a digital data reproducing apparatus according to an exemplary embodiment of the present invention.

4 is a flow chart showing a digital data reproduction process of the digital data reproduction apparatus according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

100: memory card 110: digital data playback device

120: television 130: remote control

200: main controller 202: memory card slot

204: key input unit 206: memory unit

208: digital signal processor 210: voice signal processor

212: image signal processing unit

The present invention relates to a digital data reproducing apparatus for a television, and more particularly, having a memory card slot, and capable of conveniently and efficiently reproducing digital data stored in a memory card through a television through a player program according to the digital data type. A digital data reproducing apparatus and a method of providing the same.

In the past, television was mainly limited to watching broadcasts over the air or wire. However, due to the rapid development of information and communication technology, the use of television is gradually increasing. In other words, instead of merely receiving and reproducing a conventional broadcast signal, various contents that are reproduced through a television as a culture center are being supplied.

According to this trend, various peripheral devices such as a DVD player for reproducing information of various media through a television have been developed and distributed. Also, with the spread of digital television (DTV), various digital contents are reproduced through a television. There is a situation.

In addition, with the development of various digital devices, the spread of portable digital devices such as digital cameras, digital camcorders, etc. is active, and accordingly, various methods for reproducing digital data generated by the individual using the portable digital devices have been devised.

Conventionally, in order to reproduce such digital data, a portable digital device such as a digital camera or a digital camcorder is connected to an information communication device such as a personal computer, and then data generated using the portable digital device is transmitted to the information communication device. It had to be played using a communication device or a portable digital device connected to a television to play using a television.

Therefore, there is a problem that it is difficult to reproduce such digital data when a personal computer cannot be used skillfully. In addition, when a portable digital device is connected to a television and played back, the digital television can be used to reproduce digital data. There has been the inconvenience of having to connect a portable digital device to a digital television.

The present invention is provided with a memory card slot, to solve the problems of the prior art as described above, it is possible to conveniently and efficiently reproduce digital data stored in an external memory card through a television player program according to the digital data type through a television An object of the present invention is to provide a digital data reproducing apparatus.

In order to achieve the above object, according to a preferred embodiment of the present invention, in a digital data reproducing apparatus connected to a television and receiving digital data and reproducing it through the television, control according to a user's key operation A key input unit for outputting a signal; A memory card slot into which an external memory card is inserted to input and output data; A memory unit which is used as a temporary storage place of data and stores an operating program for driving the digital data reproducing apparatus and a reproducing program according to a data type; A digital signal processor for separating and outputting digital data input from the external memory card inserted into the memory card slot into a video signal and an audio signal; A video signal processor for processing the video signal output from the digital signal processor into a signal that can be displayed on the television and outputting the signal to the television; A voice signal processor for processing the voice signal output from the digital signal processor as a signal capable of being output to a sound device of the television and outputting the signal to the television; And a main control unit controlling the memory card slot, the memory unit, the digital signal processing unit, the image signal processing unit, and the audio signal processing unit to reproduce digital data through the television according to a control signal output from the key input unit. A digital data reproduction apparatus is provided.

Further, in order to achieve the above object, according to another preferred embodiment of the present invention, in the digital data reproducing apparatus for reproducing digital data, which is embedded in a television and input from the outside, control according to a user's key operation A key input unit for outputting a signal; A memory card slot into which an external memory card is inserted to input and output data; A memory unit which is used as a temporary storage place of data and stores an operating program for driving the digital data reproducing apparatus and a reproducing program according to a data type; A digital signal processor for separating and outputting digital data input from the external memory card inserted into the memory card slot into a video signal and an audio signal; A video signal processor for processing the video signal output from the digital signal processor into a signal that can be displayed on the television and outputting the signal to the television; A voice signal processor for processing the voice signal output from the digital signal processor as a signal capable of being output to a sound device of the television and outputting the signal to the television; And a main control unit controlling the memory card slot, the memory unit, the digital signal processing unit, the image signal processing unit, and the audio signal processing unit to reproduce digital data through the television according to a control signal output from the key input unit. A digital data reproduction apparatus is provided.

Further, in order to achieve the above object, according to another preferred embodiment of the present invention, in the digital data reproduction method for reproducing digital data input from an external data storage device through a television, (a) the Receiving data input from an external data storage device; (b) analyzing the type of the received data; (c) loading and executing a program capable of reproducing data according to the type of data; And (d) converting the data into a signal in a form that can be reproduced in the television through the program and outputting the data according to the setting information of the television. A playback method is provided.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment for.

1A and 1B are schematic configuration diagrams of a television system using a digital data reproducing apparatus according to a preferred embodiment of the present invention.

More specifically, FIG. 1A is a block diagram of a TV system when the digital data reproducing apparatus according to the present invention is separated from a TV, and FIG. 1B is a case where the digital data reproducing apparatus according to the present invention is integrated with a TV. TV system configuration diagram.

With reference to the accompanying drawings will be described in detail a TV system using a digital data reproduction apparatus according to the present invention.

As shown in FIG. 1, a TV system according to an exemplary embodiment of the present invention may include an external memory card 100, a digital data reproducing apparatus 110, a TV 120, and a remote controller 130.

The external memory card 100 stores digital data generated by a portable digital device such as a digital camera or a digital camcorder. As the memory card 100, various portable memory cards such as an SD card and a memory stick may be used. In addition, the external memory card 100 may be a memory card mounted on a portable digital device. That is, instead of using a separate memory card, a memory card provided in the portable digital device can be used as it is, in order to store data generated in the portable digital device.

In addition, the external memory card 100 may store various digital data such as moving images, images, and e-book data received through a personal computer.

In the digital data reproducing apparatus 110, an external memory card 100 is inserted to reproduce digital data stored in the external memory card 100 through the TV 120. In order to perform such a function, the digital data reproducing apparatus 110 according to the present invention may include various types of memory card slots, and various programs may be embedded to reproduce data of various formats. The digital data reproducing apparatus 110 will be described in more detail with reference to FIG. 2 below.

The TV 120 receives and outputs a video signal and an audio signal transmitted from the digital data reproducing apparatus 110. As the TV 120, both a conventional analog TV and a digital TV may be used. That is, the digital data reproducing apparatus 110 according to the present invention is an external memory depending on the type (or by automatic retrieval) of the TV 120-that is, whether the TV system is analog or digital. The digital data received from the card 100 is converted into a signal of an appropriate shape and output. The converted signal is received by the TV 120 and output through the CRT and a speaker.

The remote controller 130 transmits a control signal according to a user's key input to the digital data reproducing apparatus 110 by using a wireless signal to control the operation of the digital data reproducing apparatus 110. As a wireless communication method of the remote controller 130, various commercially available wireless communication protocols such as infrared communication, Zigbee communication, and RF communication may be used.

2 is a block diagram of a digital data reproducing apparatus according to an exemplary embodiment of the present invention.

With reference to the accompanying Figure 2 will be described in detail the configuration of the digital data reproduction apparatus according to the present invention.

As shown in FIG. 2, the digital data reproducing apparatus 110 according to the present invention includes a main controller 200, a memory card slot 202, a key input unit 204, a memory unit 206, and a digital signal processor 208. ), A video signal processor 212 and a voice signal processor 210.

The key input unit 204 outputs a control signal according to a user's key manipulation. The key input unit 204 may be configured in various forms, and the information display unit (not shown) and the key input unit 204 may be configured as one device by using a touch screen technology.

In the memory card slot 202, an external memory card 100 is inserted to input and output data. Since the memory card slot 202 according to the present invention should be able to insert various types of memory cards, the present invention may be configured such that a plurality of memory card slots 202 exist according to various memory card standards. Alternatively, the memory card slot 202 may be configured as a combo type so that the memory card 100 of various standards can be inserted into one memory card slot 202. Since the technology related to the combo memory card slot 202 uses a known technology, a detailed description thereof will be omitted.

The memory unit 206 stores an operating program for driving the digital data reproducing apparatus 110 according to the present invention and a dedicated reproducing program capable of reproducing various digital data formats, and further, data in the process of reproducing digital data. It will be used as a temporary storage place. The memory unit 206 may be configured by a combination of a ROM and a RAM. The memory unit 206 also stores setting information for driving the various digital data reproducing apparatus 110 such as the type of the TV 120.

The digital data reproducing apparatus 110 according to the present invention basically reproduces video data, image data, and e-book data, and the memory unit 206 includes a video reproducing program capable of reproducing this kind of data, Image viewer program and e-book program are stored. Such a program may constitute the present invention using various known playback programs.

The digital signal processor 208 separates and outputs digital data transmitted from the external memory card 100 into a video signal and an audio signal. In addition, if necessary, digital data transmitted according to a user's setting is corrected and output by using a constant correction algorithm. This correction process is performed by the user to prevent the screen from being used as a whole or being distorted or broken due to a mismatch between the size of the digital data (ie, the size generated at the time of recording) and the size of the CRT of the TV 120. The scale of the output image can be adjusted so that it can be output. If the digital data is video or audio only data, the digital signal processing unit 208 does not perform the video and audio signal separation but merely performs the correction.

The image signal processor 212 receives an image signal output from the digital signal processor 208, processes the image signal into a signal that can be expressed by the TV 120, and outputs the signal to the TV 120.

That is, if the TV 120 is a TV based on an analog NTSC (National Television System Committee) method, the video signal processor 212 decodes input digital video data and converts the decoded video data into an analog signal. Done. Then, the converted analog signal is converted into a NTSC (National Television System Committee) scan signal to be output from the TV 120 and output to the TV 120.

On the other hand, when the TV 120 is a digital digital TV, the image signal processing unit 212 may play an AVI or the like that can be played on the TV 120 according to information on a type of image data format that can be played on the TV 120. The video signal is converted into a data format and output. In this case, the present invention can more preferably determine whether the input video data is MPEG2 format data, and if the video data is not MPEG2 format data, convert the input video data into MPEG2 format data. In addition, it will be apparent to those skilled in the art that the present invention may be configured to output the data format of the input image data uniformly in JPEG.

MPEG2 is an international standard for encoding and compressing color video and audio for digital television broadcasting, communication, and storage media.It is a work organization MPEG under JTC 1, a joint organization of the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). MPEG standardization work. While MPEG1 is a standard that applies to storage media such as read-only compact disc storage devices (CDROMs) with a transmission speed of 1.5 Mbps, MPEG2 is a high-quality target for a wide range of applications such as television broadcasting, communication, audio and video equipment. It is a standard. Originally, the transmission speed of the video was 4-10Mbps, but in consideration of the image quality of high definition television (HDTV), it increased to 4-100Mbps, which became a much higher definition standard than MPEG 1.

The voice signal processor 210 receives the voice signal output from the digital signal processor 208, processes the voice signal into a signal that can be expressed by the TV 120, and outputs the signal to the TV 120.

That is, if the TV 120 is a TV based on an analog NTSC (National Television System Committee) method, the voice signal processor 210 decodes input digital voice data and converts the decoded voice data into an analog signal. Will be output to the TV (120).

On the other hand, when the TV 120 is a digital digital TV, the audio signal processor 210 may play an MP3 or the like, which may be played on the TV 120 according to information about a type of voice data format that can be played on the TV 120. The audio signal is converted into a data format and output. In this case, it is more preferable to determine whether the input audio data is AC3 (Audio coding 3) format data, and if it is not AC3 (Audio coding 3) format data, the input video data is AC3 (Audio coding 3) format data. The present invention can be configured to be converted to and outputted as.

AC3 is a different audio format from MP3 or AAC. In the case of MP3 and AAC, it is a compression format based on two channels, but in the case of AC3, it is a 5.1-channel (five audio channels and one low-frequency effect channel) developed by Dolby Laboratories and a stereophonic format based on 32 to 640 Kbps bit rate. to be. The AC3 has five speakers installed at the front, rear, left and right, and the center, and one low-frequency subwoofer speaker. The main difference that AC3 has over traditional analog surround systems is that each channel is completely isolated, delivering clean sound without signal interference.

The main controller 200 is a memory card slot 202, a memory unit 206, a digital signal processor 208, a video signal processor 212 and an audio signal processor 210 according to a control signal output from the key input unit 204. Control the entire playback apparatus so that the digital data is reproduced through the television (). In addition, the main control unit 200 analyzes the data input from the external memory card 100, and according to the format of the data to play one of the video playback program, the image viewer program and the e-book program stored in the memory unit 206 It will load and run. Such a reproduction program controls various devices to reproduce digital data.

In addition, the digital data reproducing apparatus 110 according to the present invention may further include a storage device 216 and a wireless communication controller 214.

The storage device 216 may store application programs of various digital data reproducing apparatus 110 so as to perform various functions, and data input from the external memory card 100 may be stored. After the user stores the desired digital data in the storage device 216, the user can conveniently play the desired digital data.

The wireless communication controller 214 receives the wireless control signal transmitted from the remote controller 130 and outputs it to the main controller 200. For such short range wireless communication, the wireless communication control unit 214 is configured to perform wireless communication using infrared communication, Zigbee communication, RF communication protocol, and the like.

3 is a flowchart illustrating an operation of a digital data player according to an exemplary embodiment of the present invention, and FIG. 4 is a flowchart illustrating a digital data reproduction process of a digital data player according to an exemplary embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A digital data reproducing method using a digital data reproducing apparatus according to a preferred embodiment of the present invention having the above configuration will be described in detail with reference to the accompanying drawings.

The digital data reproducing apparatus 110 determines whether the memory card 100 is inserted into the memory card slot 202 (S300), and receives the data stored in the memory card 100 when the memory card 100 is inserted (S300). S302) The format (format) of data is analyzed (S304).

If the data is moving image data according to the analysis result (S306), the moving image reproduction program stored in the memory unit 206 is loaded into the memory (RAM) (S308) to reproduce moving image data (S318), and the data is an image (image). In the case of data (S310), the image viewer program stored in the memory unit 206 is loaded into the memory (RAM) (S312) to reproduce the image data (S318), and the data is eBook data (S314). In step S318, the e-book program stored in the memory is loaded into the memory (RAM) to reproduce the e-book data.

In this case, depending on the setting, the image viewer program may be configured to automatically perform the electronic album function, or may be configured to play specific background music through the TV 120 while the image is displayed.

Referring to FIG. 4, a process of reproducing digital data by a dedicated program (video playback program, image viewer program, e-book program, etc.) will be described in detail.

Once the dedicated program is loaded and executed, the dedicated program checks various setting information (type of TV, correction setting, etc.) of the TV 120 stored in the memory unit 206 (S400, S402).

As a result of the check, in the case of the digital TV, it is determined whether the input data is the data according to the MPEG2 protocol (S404). If the data is not the MPEG2 protocol, the format of the data is converted according to the MPEG2 protocol (S406), and the data is output. (S408)

In the case of the analog TV, the input data is decoded into an audio signal and a video signal (S410), and the decoded digital signal is converted into an analog signal (S412). Next, the converted analog video signal is converted into an NTSC scan signal to be reproduced by the TV 120, and the audio signal and the video signal are output to the TV 120 (S408).

Through the above-described process, the digital data stored in the external memory card 100 is reproduced through the TV 120.

Preferred embodiments of the present invention described above are disclosed for purposes of illustration, and those skilled in the art will be able to make various modifications, changes and additions within the spirit and scope of the present invention. Additions should be considered to be within the scope of the following claims.

As described above, according to the present invention, there is an advantage in that digital data stored in an external memory card can be conveniently and efficiently reproduced through a television.

Further, according to the present invention, there is an advantage in that digital data of various formats can be reproduced through a television.

Claims (8)

A digital data reproducing apparatus connected to a television and receiving digital data and playing the same through the television, A key input unit which outputs a control signal according to a user's key operation; A memory card slot into which an external memory card is inserted to input and output data; It is used as a temporary storage place of the data, the operating program for driving the digital data playback device and the playback program according to the data type is stored, A memory unit for storing at least one program of a moving picture reproducing program for reproducing moving image data, an image viewer program for reproducing image data, and an e-book program for reproducing E-Book data; A digital signal processor for separating and outputting digital data input from the external memory card inserted into the memory card slot into a video signal and an audio signal; The video signal output from the digital signal processor is processed into a signal that can be displayed on the television and output to the television, A video signal processor for processing and outputting the video signal to be reproduced on the television according to the setting information of the television stored in the memory unit; The audio signal output from the digital signal processor is processed as a signal output to the sound device of the television and output to the television, An audio signal processor for processing and outputting the audio signal to be reproduced on the television according to the setting information of the television stored in the memory unit; And The digital card is reproduced through the television by controlling the memory card slot, the memory unit, the digital signal processor, the video signal processor, and the audio signal processor according to a control signal output from the key input unit. Analyzing data input from the external memory card, and executes any one of a video playback program, an image viewer program and an e-book program stored in the memory unit according to the data, And a main control unit which stores setting information about the television input through the key input unit in the memory unit. In a digital data reproducing apparatus embedded in a television and reproducing digital data input from the outside, A key input unit which outputs a control signal according to a user's key operation; A memory card slot into which an external memory card is inserted to input and output data; It is used as a temporary storage place of the data, the operating program for driving the digital data playback device and the playback program according to the data type is stored, A memory unit for storing at least one program of a moving picture reproducing program for reproducing moving image data, an image viewer program for reproducing image data, and an e-book program for reproducing E-Book data; A digital signal processor for separating and outputting digital data input from the external memory card inserted into the memory card slot into a video signal and an audio signal; The video signal output from the digital signal processor is processed into a signal that can be displayed on the television and output to the television, A video signal processor for processing and outputting the video signal to be reproduced on the television according to the setting information of the television stored in the memory unit; The audio signal output from the digital signal processor is processed as a signal output to the sound device of the television and output to the television, An audio signal processor for processing and outputting the audio signal to be reproduced on the television according to the setting information of the television stored in the memory unit; And The digital card is reproduced through the television by controlling the memory card slot, the memory unit, the digital signal processor, the video signal processor, and the audio signal processor according to a control signal output from the key input unit. Analyzing data input from the external memory card, and executes any one of a video playback program, an image viewer program and an e-book program stored in the memory unit according to the data, And a main control unit which stores setting information about the television input through the key input unit in the memory unit. delete delete The method according to claim 1 or 2, The setting information includes whether the television is an analog television or a digital television; The video signal processing unit converts the video signal into analog data when the television is an analog television, and then converts the converted analog data into a National Television System Committee (NTSC) scan signal according to the setting information. To print, And the audio signal processor converts the audio signal into analog data when the television is an analog television and outputs the analog data according to the setting information. The method of claim 5, If the television is a digital television according to the setting information, The video signal output from the video signal processor is digital data according to the MPEG 2 protocol. And a voice signal output from the voice signal processor is digital data according to AC3 (AC3). In the digital data reproduction method for reproducing digital data input from an external data storage device through a television, (a) receiving data input from the external data storage device; (b) analyzing the type of the received data; (c) loading and executing a program capable of reproducing data according to the type of data; And (d) converting the data into a signal in a form that can be reproduced in the television through the program and outputting the data according to the setting information of the television. Way. The method of claim 7, wherein In step (d), (d1) determining whether the television is an analog television or a digital television according to setting information of the television; (d2) when the television is an analog television, separating and decoding the data into an audio signal and a video signal, converting the data into an analog signal, and then converting and outputting the NTSC scan signal; And (d3) If the television is a digital television, it is determined whether the data is data according to the MPEG2 protocol. If the data is not data according to the MPEG2 protocol, the format of the data is MPEG2. Digital data reproduction method using a digital data reproducing apparatus comprising the step of converting and outputting according to the convention.

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