KR101888529B1 - Media device and control method thereof - Google Patents

Abstract

The present invention relates to a media device, and more particularly, to a media device connected to an external device and a control method thereof. A media device according to an embodiment of the present invention includes: a content playback unit that plays back a content including a plurality of characters and detects time information of the content being played back; A motion code storage unit for storing motion code files corresponding to each of the plurality of characters; A character selection unit for selecting at least one of the plurality of characters; And a control unit for receiving the motion code file corresponding to the selected character from the motion code storage unit, receiving the time information from the content playback unit, receiving the time code from the received motion code file, And a sync controller for extracting a motion code corresponding to the information.

Description

[0001] MEDIA DEVICE AND CONTROL METHOD THEREOF [0002]

The present invention relates to a media device, and more particularly, to a media device connected to an external device and a control method thereof.

The media device includes both a device for recording and playing back moving pictures and a device for recording and playing back audio. The video recording and reproducing apparatus includes a TV, a computer monitor, a projector, and the like as a video display device.

As the functions of the media devices are diversified, they are implemented in the form of a multimedia device having multiple functions such as photographing, video shooting, games, and broadcast reception, in addition to music and video file playback functions . Further, in order to support and enhance the function of the media device, it may be considered to improve the structural and software aspects of the media device.

By such an improvement, by connecting an external device, e.g., a rotatable chair, to the media device, a user viewing the content being played back on the media device can experience the four-dimensional effect. The four-dimensional effect refers to a physical effect applied to a user through a mechanical device or the like when an effect occurs in a content being reproduced.

It is an object of the present invention to provide a media device that provides various kinds of four-dimensional effects for one piece of content.

A media device according to an embodiment of the present invention includes: a content playback unit that plays back a content including a plurality of characters and detects time information of the content being played back; A motion code storage unit for storing motion code files corresponding to each of the plurality of characters; A character selection unit for selecting at least one of the plurality of characters; And a control unit for receiving the motion code file corresponding to the selected character from the motion code storage unit, receiving the time information from the content playback unit, receiving the time code from the received motion code file, And a sync controller for extracting a motion code corresponding to the information.

The apparatus may further include an external device control unit that receives the extracted motion code from the sync control unit and transmits the received motion code to the external device.

In an embodiment, the motion code storage unit may transmit the motion code file to the sink control unit when a motion code file corresponding to the selected character is stored, and the motion code file corresponding to the selected character If the motion code file is not stored, the motion code file may be downloaded from the server, and the downloaded motion code file may be transmitted to the sync controller.

In one embodiment of the present invention, when receiving the motion code file from the motion code storage unit, the sync control unit transmits the extracted motion code to the external device control unit so that the 4D function is activated, If the motion code file is not received, a signal related to deactivation of the 4D function may be generated.

In the embodiment, the character selection unit may select a character set predetermined for the content among the plurality of characters.

In an embodiment, the character selection unit may display a menu screen including the plurality of characters on the display unit so that the characters can be selected when the characters are not previously set for the content.

In one embodiment of the present invention, the media device further includes a main body, and the character selection unit includes a menu screen including the plurality of characters so that the character can be selected according to the number of the external devices connected to the main body, Can be displayed on the display unit.

In an embodiment, when the first external character is selected from the plurality of characters by the first external device and the second character is selected by the second external device, The received motion code corresponding to the character can be transmitted to the first external device and the received motion code corresponding to the second character can be transmitted to the second external device.

In an embodiment, the extracted motion code may include a rotation angle of the chair with respect to each of the x-axis, the y-axis, or the z-axis when the external device is a rotatable chair.

One embodiment of the invention relates to a method of controlling a media device comprising a motion code storage for storing motion code files for each of a plurality of characters of a content. The control method of the media device includes the steps of: reproducing the content in a content playback unit and detecting time information of the content being played back; Selecting at least one of the plurality of characters from a character selection unit; Receiving a motion code file corresponding to the selected character from the motion code storage unit in a sync control unit and receiving the time information from the content playback unit; And extracting a motion code corresponding to the time information from the received motion code file in the sync controller so that the motion code can be used in an external device.

In one embodiment, the control method of the media device may further include receiving the extracted motion code from the sync controller in an external device control unit, and transmitting the received motion code to the external device.

In one embodiment of the present invention, the control method of the media device includes: transmitting the motion code file to the sync controller when the motion code file corresponding to the selected character is stored in the motion code storage unit; And downloading the motion code file from the server and transmitting the downloaded motion code file to the sync controller if the motion code file corresponding to the selected character is not stored.

According to the present invention, a motion code file corresponding to each of a plurality of characters included in the content is stored, and a four-dimensional effect can be provided based on a motion code file corresponding to a selected one of the plurality of characters have. Accordingly, the user viewing the content can experience different four-dimensional effects according to the selection of the character. Consequently, the convenience of the user can be improved.

1 is a block diagram showing a media device and an external input device according to the present invention.
FIG. 2 is a block diagram showing the external input device of FIG. 1 in detail.
FIG. 3 is a conceptual diagram showing a mutual operation of a media device and an external input device according to the present invention.
4 is a block diagram illustrating a media device according to an embodiment of the present invention.
5 is a flowchart illustrating a method of controlling a media device according to an embodiment of the present invention.
6 is a conceptual diagram showing a motion code according to an embodiment of the present invention.
7A to 7C are conceptual diagrams showing a first operation example of the media device according to FIG.
FIGS. 8A to 8C are conceptual diagrams illustrating a second operation example of the media device according to FIG.
FIGS. 9A to 9C are conceptual diagrams illustrating a third example of operation of the media device according to FIG.
FIGS. 10A and 10B are conceptual diagrams illustrating a fourth operation example of the media device according to FIG.
11A and 11B are conceptual diagrams illustrating a fifth operation example of the media device according to FIG.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings so that those skilled in the art can easily carry out the technical idea of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly explain the present invention, parts not related to the description are omitted, and like parts are denoted by similar reference numerals throughout the specification.

In this specification, a media device includes both a device for recording and reproducing moving pictures and a device for recording and playing back audio. The video recording and reproducing apparatus includes a TV, a computer monitor, a projector, and the like as a video display device.

1 is a block diagram showing a media device 100 and an external input device 200 according to the present invention. The media device 100 includes a tuner 110, a demodulator 120, a signal input / output unit 130, an interface unit 140, a control unit 150, a storage unit 160, a display unit 170, (180).

1, a tuner 110 selects an RF broadcast signal corresponding to a channel selected by a user from among RF (Radio Frequency) broadcast signals received through an antenna, converts the RF broadcast signal into an intermediate frequency signal or a baseband image / Convert to voice signal. For example, if the RF broadcast signal is a digital broadcast signal, the tuner 110 converts the RF broadcast signal into a digital IF signal (DIF). On the other hand, if the RF broadcast signal is an analog broadcast signal, the tuner 110 converts the RF broadcast signal into an analog baseband video / audio signal (CVBS / SIF). As described above, the tuner 110 may be a hybrid tuner capable of processing a digital broadcasting signal and an analog broadcasting signal.

The digital IF signal DIF output from the tuner 110 is input to the demodulator 120 and the analog baseband video / audio signal CVBS / SIF output from the tuner 110 is input to the controller 160 . The tuner 120 can receive an RF broadcast signal of a single carrier according to an Advanced Television Systems Committee (ATSC) scheme or an RF broadcast signal of a plurality of carriers according to a DVB (Digital Video Broadcasting) scheme.

Although a single tuner 110 is shown in the figure, it is not so limited, and the media device 100 may include a plurality of tuners, e.g., first and second tuners. In this case, the first tuner may receive the first RF broadcast signal corresponding to the broadcast channel selected by the user, and the second tuner may sequentially or periodically receive the second RF broadcast signal corresponding to the previously stored broadcast channel . The second tuner can convert the RF broadcast signal into a digital IF signal (DIF) or an analog baseband video / audio signal (CVBS / SIF) in the same manner as the first tuner.

The demodulator 120 receives the digital IF signal DIF converted by the tuner 110 and performs a demodulation operation. For example, if the digital IF signal DIF output from the tuner 110 is of the ATSC scheme, the demodulator 120 performs an 8-VSB (8-Vestigal Side Band) demodulation. At this time, the demodulator 120 may perform channel decoding such as trellis decoding, de-interleaving, and Reed-Solomon decoding. For this, the demodulator 120 may include a trellis decoder, a de-interleaver, and a Reed Solomon decoder.

For example, if the digital IF signal DIF output from the tuner 110 is of the DVB scheme, the demodulator 120 performs COFDMA (Coded Orthogonal Frequency Division Modulation) demodulation. At this time, the demodulator 120 may perform channel decoding such as convolutional decoding, deinterleaving, and Reed-Solomon decoding. For this, the demodulator 120 may include a convolution decoder, a deinterleaver, and a Reed-Solomon decoder.

The signal input / output unit 130 may be connected to an external device to perform signal input and output operations, and may include an A / V input / output unit and a wireless communication unit.

The A / V I / O section is composed of an Ethernet terminal, a USB terminal, a CVBS (Composite Video Banking Sync) terminal, a component terminal, an S- video terminal (analog), a DVI (digital visual interface) terminal, , A Mobile High-definition Link (MHL) terminal, an RGB terminal, a D-SUB terminal, an IEEE 1394 terminal, a SPDIF terminal, and a liquid HD terminal. The digital signal input through these terminals may be transmitted to the control unit 150. At this time, the analog signal inputted through the CVBS terminal and the S-video terminal may be converted into a digital signal through an analog-digital converter (not shown) and transmitted to the controller 150.

The wireless communication unit can perform a wireless Internet connection. For example, the wireless communication unit performs wireless Internet access using a WLAN (Wi-Fi), a Wibro (wireless broadband), a Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access) can do. In addition, the wireless communication unit can perform short-range wireless communication with other electronic devices. For example, the wireless communication unit can perform near field wireless communication using Bluetooth, Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), ZigBee have.

The signal input / output unit 130 may be a video input / output unit for inputting video signals and audio signals provided from external devices such as a digital versatile disk (DVD) player, a Blu-ray player, a game device, a camcorder, Signals and data signals to the controller 150. [ The controller 150 can also transmit video signals, audio signals, and data signals of various media files stored in an external storage device such as a memory device, a hard disk, and the like. In addition, the video signal, audio signal, and data signal processed by the control unit 150 can be output to other external apparatuses.

The signal input / output unit 130 may be connected to a set top box, for example, a set top box for IPTV (Internet Protocol TV) through at least one of the various terminals described above to perform signal input and output operations. For example, the signal input / output unit 130 can transmit a video signal, an audio signal, and a data signal processed by the settop box for IPTV to the controller 150 so as to enable bidirectional communication, Signals to IPTV set-top boxes. Here, the IPTV may include ADSL-TV, VDSL-TV, FTTH-TV, etc. classified according to the transmission network.

The digital signal output from the demodulation unit 120 and the signal output unit 130 may include a stream signal TS. The stream signal TS may be a signal in which a video signal, an audio signal, and a data signal are multiplexed. For example, the stream signal TS may be an MPEG-2 TS (Transprt Stream) multiplexed with an MPEG-2 standard video signal, a Dolby AC-3 standard audio signal, or the like. Here, the MPEG-2 TS may include a header of 4 bytes and a payload of 184 bytes.

The interface unit 140 may receive an input signal for power control, channel selection, screen setting, etc. from the external input device 200, or may transmit the signal processed by the control unit 160 to the external input device 200 . The interface unit 140 and the external input device 200 may be connected by wire or wirelessly.

The control unit 150 can control the overall operation of the media device 100. [ For example, the controller 150 may control the tuner 110 to tuning an RF broadcast signal corresponding to a channel selected by the user or a previously stored channel. Although not shown in the figure, the controller 150 may include a demultiplexer, an image processor, a voice processor, a data processor, an OSD (On Screen Display) generator, and the like.

The control unit 150 may demultiplex the stream signal TS, for example, the MPEG-2 TS into a video signal, a voice signal, and a data signal.

The control unit 150 may perform image processing, e.g., decoding, on the demultiplexed video signal. In more detail, the control unit 150 decodes an MPEG-2 standard-encoded video signal using an MPEG-2 decoder, and encodes the video signal in accordance with a DMB (Digital Multimedia Broadcasting) scheme or an H It is possible to decode the encoded video signal of the .264 standard. In addition, the controller 150 may perform image processing such that the brightness, tint, and color of the image signal are adjusted. The image signal processed by the control unit 150 may be transmitted to the display unit 170 or may be transmitted to an external output device (not shown) through an external output terminal.

The control unit 150 may perform speech processing, e.g., decoding, on the demultiplexed speech signal. More specifically, the control unit 150 decodes an MPEG-2 standard-encoded audio signal using an MPEG-2 decoder, and uses an MPEG 4 decoder to decode an MPEG 4 bit sliced arithmetic coding Decodes the encoded voice signal, and decodes the encoded voice signal of the AAC (Advanced Audio Codec) standard of MPEG 2 according to the satellite DMB scheme or DVB-H using the AAC decoder. In addition, the controller 150 may process a base, a treble, a volume control, and the like. The voice signal processed in the control unit 150 may be transmitted to the audio output unit 180, for example, a speaker, or may be transmitted to an external output device.

The control unit 150 may perform signal processing on the analog baseband video / audio signal (CVBS / SIF). Here, the analog baseband video / audio signal CVBS / SIF input to the controller 150 may be an analog baseband video / audio signal output from the tuner 110 or the signal input / output unit 130. The signal-processed video signal is displayed through the display unit 170, and the signal-processed audio signal is output through the audio output unit 180.

The control unit 150 may perform data processing, for example, decoding, on the demultiplexed data signal. Here, the data signal may include electronic program guide (EPG) information including broadcast information such as a start time and an end time of a broadcast program broadcasted on each channel. The EPG information includes, for example, TSC-PSIP (ATSC-Program and System Information Protocol) information in the ATSC scheme and DVB-SI information (DVB-SI information) in the DVB scheme. The ATSC-PSIP information or the DVB-SI information may be included in the header (4 bytes) of the MPEG-2 TS.

The controller 150 may perform a control operation for the OSD process. In more detail, the control unit 150 may include at least one of a video signal and a data signal, or an OSD for displaying various information in graphic or text form based on an input signal received from the external input device 200. [ Signal can be generated. The OSD signal may include various data such as a user interface screen of the media device 100, a menu screen, a widget, and an icon.

The storage unit 160 may store a program for signal processing and control of the controller 150 or may store a video signal, a voice signal, and a data signal. The storage unit 160 may be a flash memory, a hard disk, a multimedia card micro type, a card type memory (for example, SD or XD memory), a random access (RAM), static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM) Or at least one storage medium.

The display unit 170 may convert a video signal, a data signal, an OSD signal, etc. processed by the controller 150 into an RGB signal to generate a driving signal. The display unit 170 may be a plasma display panel (PDP), a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT-LCD), an organic light emitting diode A light emitting diode (OLED), a flexible display, a three-dimensional display (3D display), and an electronic ink display (e-ink display). The display 180 may also be implemented as a touch screen to perform the functions of an input device.

The audio output unit 180 outputs the audio signal processed by the control unit 150, for example, a stereo signal or a 5.1 channel signal. The audio output unit 180 may be implemented by various types of speakers.

The external input device 200 is connected to the interface 140 via a wired or wireless network and transmits an input signal generated according to a user input to the interface 140. The external input device 200 may include a remote control device, a mouse, a keyboard, and the like. The remote control device can transmit an input signal to the interface unit 140 through Bluetooth, RF communication, infrared communication, UWB (Ultra Wideband), ZigBee, or the like. The remote control device may be implemented as a space remote control device. The spatial remote control device can detect an operation of the main body in a space and generate an input signal.

The media device 100 can receive at least one of ATSC (8-VSB) digital broadcasting, DVB-T (COFDM) digital broadcasting, ISDB-T (BST-OFDM) And can be implemented as a fixed digital broadcast receiver. The media device 100 may be a digital terrestrial broadcasting system, a satellite DMB system digital broadcasting system, an ATSC-M / H system digital broadcasting system, a DVB-H system (COFDM system) Only type digital broadcasting and the like can be realized. Also, the media device 100 may be implemented as a digital broadcast receiver for cable, satellite communication, and IPTV.

2 is a block diagram showing the external input device 200 of FIG. 1 in detail. The external input device 200 includes a wireless communication unit 210, a user input unit 220, a sensing unit 230, an output unit 240, a power supply unit 250, a storage unit 260, and a control unit 270 .

Referring to FIG. 2, the wireless communication unit 210 transmits a signal to the media device 100 or receives a signal from the media device 100. For this, the wireless communication unit 210 may include an RF module 211 and an IR module 212. The RF module 211 is connected to the interface unit 140 of the media device 100 according to the RF communication standard to transmit and receive a signal and the IR module 212 is connected to the interface unit of the media device 100 140, respectively.

The user input unit 220 may include a key pad, a key button, a scroll key, and a jog key as input means. The user can input a command related to the media device 100 by operating the user input unit 220. [ Such an instruction may be input, for example, by a push operation of the hard key button of the user input unit 200 by the user.

The sensing unit 230 may include a gyro sensor 231 and an acceleration sensor 232. The gyro sensor 231 can sense the spatial movement of the external input device 200 on the basis of the x-axis, the y-axis, and the z-axis. The acceleration sensor 232 can sense the moving speed of the external input device 200 or the like.

The output unit 240 outputs information according to the operation of the user input unit 230 and information corresponding to the transmission signal of the media device 100. [ Accordingly, the user can recognize the operation state of the user input unit 230 or the control state of the media device 100 through the output unit 230. [ For example, the output unit 240 may include an LED module 241 that is turned on, a vibration module 242 that generates vibration, a vibration module that generates vibration, An audio output module 243 for outputting sound and a display module 244 for outputting an image.

The power supply unit 250 supplies power to various electronic devices of the external input device 200. When the external input device 200 is not moved for a predetermined period of time, the power supply unit 250 may stop power supply, thereby reducing power consumption. The power supply unit 250 may resume power supply when a predetermined key of the external input device 200 is operated.

The storage unit 260 may store various programs, applications, frequency band information, and the like related to the control or operation of the external input device 200. The control unit 270 performs an overall control operation of the external input device 200.

FIG. 3 is a conceptual diagram showing a mutual operation of the media device 100 and the external input device 200 according to the present invention. Here, a TV receiver is shown as an example of the media appliance 100, and a remote controller is shown as an example of the external input device 200. [

Referring to FIG. 3, the external input device 200 may transmit or receive a signal with the media device 100 in accordance with the RF communication standard. A control menu may be displayed on the screen of the media device 100 in accordance with a control signal of the external input device 200. The external input device 200 includes a plurality of buttons, and can generate an external input signal according to a user's operation of the button.

Meanwhile, since the media device 100 is connected to an external device, for example, a rotatable chair, a user viewing the content being played back in the media device 100 can experience the 4D effect. The 4D effect refers to a physical effect applied to a user through a mechanical device or the like when an effect occurs in a content being reproduced.

Accordingly, the media device 100 providing various types of 4D effects for one piece of content will now be described with reference to the accompanying drawings.

4 is a block diagram illustrating a media device 100 in accordance with an embodiment of the present invention. The media device 100 includes an interface unit 140, a control unit 150, a storage unit 160, and a display unit 170.

The media device 100 can reproduce the content. Content can also be referred to as digital content or multimedia content, and refers to information that digitalizes, processes, and distributes text, images, moving pictures, audio, and the like.

Hereinafter, a description of the media input apparatus 200 according to the embodiment of the present invention will be omitted.

The interface unit 140 may be connected to the external input device 200 by wire or wirelessly to receive an external input signal. The external input signal received from the external input device 200 may include a control command in response to a key operation. Also, the interface unit 140 may be connected to the external device 300, for example, a chair by wire or wirelessly, and may transmit signals to the chair.

The display unit 170 may display the image content. Also, the display unit 170 may display a control menu according to an external input signal received from the external input device 200. [

The storage unit 160 may store contents to be reproduced, various applications, and the like. The storage unit 160 may include a motion code storage unit 161. The motion code storage unit 161 may store motion code files corresponding to each of a plurality of characters included in the content.

The control unit 150 may include a content playback unit 151, a character selection unit 152, a sync control unit 153, and an external device control unit 154.

The content reproduction section 151 can reproduce the content. Also, the content playback unit 151 can detect the time information of the content being played back. The content playback unit 151 can transmit the detected time information to the sync control unit 153. [

Specifically, the content playback unit 151 can detect the time information of the currently playing content by reading the time offset included in the streaming video container such as MP4 and MPEG-TS.

The character selection section 152 can select at least one of the plurality of characters. The character selection unit 152 can select a character set predetermined for the content among the plurality of characters. At this time, if a character is not previously set for the content, the character selection unit 152 may display a menu screen including a plurality of characters on the display unit 170. [

The sync control unit 153 may receive the motion code file corresponding to the selected character from the motion code storage unit 161 and receive the time information from the content playback unit 151. [ Then, the sync controller 153 may extract the motion code corresponding to the time information from the received motion code file so that it can be used in the external device 300, for example, a chair.

On the other hand, if the motion code file corresponding to the selected character is stored, the motion code storage unit 161 may transmit the motion code file to the sync controller 153. On the other hand, if the motion code file corresponding to the selected character is not stored, the motion code storage unit 161 may download the motion code file from the server and transmit the downloaded motion code file to the sync controller 153 .

At this time, the motion code storage unit 161 can search for the corresponding motion code file using the motion picture information (e.g., title, year, and content ID). The content ID has a different format for each stream company. For example, it may be in the form of '<VUDU, 1234>, <HULU, 0923>'.

The external device control unit 154 can receive the extracted motion code from the sync control unit 153 and transmit the received motion code to the external device 300, for example, a rotatable chair. Then, the chair can rotate at a predetermined angle at a predetermined angle using the received motion code.

As described above, according to the present invention, a motion code file corresponding to each of a plurality of characters included in a content is stored, and based on a motion code file corresponding to a selected character among a plurality of characters, Effects can be provided. Accordingly, the user viewing the content can experience different four-dimensional effects according to the selection of the character. Consequently, the convenience of the user can be improved.

5 is a flowchart illustrating a method of controlling the media device 100 (refer to FIG. 4) according to an embodiment of the present invention. 4), a character selection unit 152 (see FIG. 4), a sync control unit 153 (see FIG. 4) And an external device control unit 154 (see Fig. 4).

Referring to Fig. 5, first, the content is reproduced and the step of S110 in which time information of the content being reproduced is detected is proceeded.

Specifically, the content reproduction section 151 can reproduce the content by decoding the content. The content being reproduced can be displayed on the display unit 170 (see Fig. 4). The content playback unit 151 may detect the time information of the content being played back in real time or at a predetermined time interval.

Next, at step S120, at least one of the plurality of characters is selected.

Specifically, the character selection section 152 can select a predetermined character for the content among the plurality of characters. The character selection unit 152 may select a character through web search or may select a character by being associated with an OTT (Over The Top) company.

In addition, the character selection section 152 may display a menu screen including a plurality of characters on the display section 170. At this time, in the state that the menu screen is displayed on the display unit 170, a character can be selected by the key operation of the external input device 200. [

On the other hand, if the character selection unit 152 is difficult to select a predetermined character, for example, when a predetermined character is plural, the character selection unit 152 may display a menu screen including a plurality of characters Can be displayed on the display unit 170.

Thereafter, step (S130) is performed in which the motion code file and time information corresponding to the selected character are received.

Specifically, the sync control unit 153 can receive the motion code file corresponding to the selected character from the motion code storage unit 161, and receive the time information from the content playback unit 151. [

Next, in step S140, the motion code corresponding to the time information is extracted from the received motion code file.

Specifically, the sync controller 153 can extract the motion code corresponding to the time information from the received motion code file so that it can be used in the external device 300 (see FIG. 4), for example, a chair. Here, when the external device 300 is a rotatable chair, the extracted motion code may include rotation angle information about each of the x-axis, y-axis, or z-axis of the chair.

Thereafter, although not shown, the external device control unit 154 may receive the motion code from the sync control unit 153 and transmit the received motion code to the chair.

6 is a conceptual diagram showing a motion code according to an embodiment of the present invention.

As shown, the motion code includes time information (e.g., 100 ms). The motion code also includes rotation angle information (e.g., Axis1 25, Axis2 0, Axis3 40) for each of the x, y, or z axis of the chair. Here, the rotation angle may be a value between -60 degrees and 60 degrees.

The sync controller 153 can extract the motion code from the motion code file only when there is a change in the angle of at least one of the x, y, and z axes.

7A to 7C are conceptual diagrams showing a first operation example of the media device 100 according to FIG. 4), a character selection unit 152 (see FIG. 4), a sync control unit 153 (see FIG. 4) An external device control unit 154 (see FIG. 4), and a display unit 170.

Referring to FIG. 7A, the display unit 170 may display a menu 171 indicating character recommendation ranking information. The character selection unit 152 generates priority information for a plurality of characters and displays a plurality of characters on the display unit 170 according to the generated priority information. For example, 'TOM' having the highest priority among the characters can be displayed on the left side of the menu 171, and 'JANE' having the lowest priority can be displayed on the right side of the menu 171.

On the other hand, although not shown, the screen is divided, the content being played is displayed at the top of the screen, and the menu 171 showing the character recommendation order information at the bottom of the screen may be displayed.

7B, when a 'TOM' is selected according to the key operation of the external input apparatus 200, a pop-up window 172 indicating that 4D reproduction for 'TOM' is started is displayed on the display unit 170 ). &Lt; / RTI &gt;

7C, the content playback unit 151 plays back the content, and the display unit 170 displays the content being played back. The control unit 150 (see FIG. 4) may display an icon 173 on the display unit 170 indicating that 4D playback is in progress for 'TOM' together with the content.

FIGS. 8A to 8C are conceptual diagrams showing a second operation example of the media device 100 according to FIG. 4), a character selection unit 152 (see FIG. 4), a sync control unit 153 (see FIG. 4) An external device control unit 154 (see FIG. 4), and a display unit 170.

Referring to FIG. 8A, the display unit 170 may display a menu 172 showing character selection information. The character selection unit 152 may display a menu 172 including a plurality of characters on the display unit 170. [ At this time, the menu 172 may include only the characters in which the motion code file is stored in the motion code storage unit 161. The menu 172 may also include characters in which the motion code file is not stored in the motion code storage unit 161. [

On the other hand, although not shown, the screen is divided, the content being played is displayed at the top of the screen, and the menu 172 showing the character selection information at the bottom of the screen may be displayed.

In this case, if 'SAM' is selected according to the key operation of the external input apparatus 200, referring to FIG. 8B, a pop-up window 172 indicating the start of 4D reproduction for 'SAM' ). &Lt; / RTI &gt;

8C, the content playback unit 151 plays back the content, and the display unit 170 displays the content being played back. The control unit 150 (see FIG. 4) may display an icon 173 on the display unit 170 indicating that the 4D playback for 'SAM' is proceeding together with the content. As shown, the icon 173 may include a thumbnail image associated with the ' SAM '.

Figs. 9A to 9C are conceptual diagrams showing a third example of operation of the media device 100 according to Fig. 4), a character selection unit 152 (see FIG. 4), a sync control unit 153 (see FIG. 4) An external device control unit 154 (see FIG. 4), and a display unit 170.

Referring to FIG. 9A, the display unit 170 may display a menu 172 indicating character selection information. The character selection unit 152 may display a menu screen 172 including a plurality of characters so that the characters can be selected according to the number of external devices 300 connected to the main body, 170). At this time, different characters may be selected for each chair, or the same characters may be selected.

In this case, when 'TOM' is selected for the first chair and 'SAM' is selected for the second chair according to the key operation for the external input device 200, referring to FIG. 9B, A pop-up window 172 indicating that 4D playback for 'TOM' and 'SAM' is started in each of the chairs may be displayed on the display unit 170.

9C, the content playback unit 151 plays back the content, and the display unit 170 displays the content being played back. Although not shown, the external device control unit 154 may transmit the motion code corresponding to 'TOM' to the first chair and the motion code corresponding to 'SAM' to the second chair.

4) displays icons 173a and 173b indicating that 4D playback is proceeding on 'TOM' and 'SAM' on the first and second chairs, respectively, along with the contents on the display unit ( 170).

FIGS. 10A and 10B are conceptual diagrams showing a fourth operation example of the media device 100 according to FIG. 4), a character selection unit 152 (see FIG. 4), a sync control unit 153 (see FIG. 4) An external device control unit 154 (see FIG. 4), and a display unit 170.

Referring to FIG. 10A, the content reproducing unit 151 reproduces the content, and the display unit 170 displays the reproduced content. In addition, the display unit 170 may display an icon 173 indicating that the 4D playback for 'SAM' is proceeding.

At this time, when a control command for changing the character is sensed according to the key operation of the external input device 200, the character selecting unit 152 may select a menu including a plurality of characters 176 can be displayed on the display unit 170. At this time, although not shown, the menu 176 may include character recommendation ranking information.

FIGS. 11A and 11B are conceptual diagrams showing a fifth operation example of the media device 100 according to FIG. 4), a character selection unit 152 (see FIG. 4), a sync control unit 153 (see FIG. 4) An external device control unit 154 (see FIG. 4), and a display unit 170.

Referring to FIG. 11A, the content reproducing unit 151 reproduces the content, and the display unit 170 can display the reproduced content. The external device control unit 154 can transmit the motion code to the external device 300, for example, a chair.

Thereafter, referring to FIG. 11B, the chair can rotate at a predetermined angle at a predetermined time based on the received motion code. Accordingly, the user who watches the content can experience the 4D effect.

The configuration and method of the embodiments disclosed herein may not be limitedly applied, but all or some of the embodiments may be selectively combined so that various modifications may be made.

Claims (12)

A content reproduction unit for reproducing a content including a plurality of characters and detecting time information of the content being reproduced;
A motion code storage unit for storing motion code files corresponding to each of the plurality of characters;
A character selection unit for selecting at least one of the plurality of characters; And
Receiving a motion code file corresponding to the selected character from the motion code storage unit, receiving the time information from the content reproduction unit,
And a sync controller for extracting a motion code corresponding to the time information from the received motion code file so that it can be used in an external device. The method according to claim 1,
Further comprising an external device control unit for receiving the extracted motion code from the sync control unit and transmitting the received motion code to the external device. 3. The method of claim 2,
The motion-
A motion code file corresponding to the selected character is stored, and transmits the motion code file to the sync controller,
Wherein if the motion code file corresponding to the selected character is not stored, the motion code file is downloaded from the server and the downloaded motion code file is transmitted to the sink control unit. 3. The method of claim 2,
The sync control unit,
When receiving the motion code file from the motion code storage unit, transmits the extracted motion code to the external device control unit so that the 4D function is activated,
And generates a signal related to deactivation of the 4D function when the motion code file is not received from the motion code storage unit. 5. The method of claim 4,
Wherein the character-
And selects a predetermined character for the content among the plurality of characters. 6. The method of claim 5,
Wherein the character-
And displays a menu screen including the plurality of characters on the display unit so that the characters can be selected when the characters are not previously set for the content. 6. The method of claim 5,
Further comprising a body,
Wherein the character-
And displays a menu screen including the plurality of characters on the display unit so that the characters can be selected according to the number of the external devices connected to the main body. 3. The method of claim 2,
The external device control unit,
Wherein when a first character of the plurality of characters is selected for the first external device and a second character is selected for the second external device, the received motion code corresponding to the first character To the first external device, and transmits the received motion code corresponding to the second character to the second external device. The method according to claim 1,
The extracted motion code includes:
And a rotation angle for each of the x, y, and z axes of the chair when the external device is a rotatable chair. delete delete delete

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