KR100697409B1 - Play/output device of multimedia contents - Google Patents

Abstract

The multimedia content reproduction / output device according to the present invention includes an interface unit for receiving and transmitting a media information request signal from a user, a media loader for reading content information according to a playback signal when a media medium is mounted, and decoding the read content information. A content playback unit having a playback control module for transmitting a playback signal to the media loader and extracting and transmitting media information included in the decoded content information when the media information request signal is transmitted; And an output control module for determining the type of a playback unit on which the media medium is mounted and interpreting and transmitting media information received from the playback control module according to the presence of a signal input and connected to the playback control module. It characterized in that it comprises a content output unit having a scaler for processing the media information delivered from the OSD (On Screen Display) processing and delivered, the image device for displaying the media information transmitted from the scaler.

According to the present invention, without changing the mode of the display unit to the mode of the playback unit equipped with the media medium, the user can check the information of the multimedia contents recorded on the media medium on the screen through a simple interface operation, so that the user delays or hassles. There is no feeling of feeling, and there is an effect that can prevent viewing interference due to mode switching.

Description

Play / output device of multimedia contents

1 is a block diagram schematically showing the components of a multimedia content playback / output device according to a first embodiment of the present invention;

2 is a diagram illustrating a disk code assigned to media information transferred from a playback control module to an output control module according to the present invention.

3 is a diagram illustrating the types of signals used for communication between the reproduction control module and the output control module according to the present invention.

4 is a diagram illustrating a status code of a DVD player assigned to media information transferred from a playback control module to an output control module according to the present invention.

FIG. 5 is a diagram illustrating a play time code of contents recorded on an optical disc among media information transferred from a play control module to an output control module according to the present invention; FIG.

FIG. 6 is a diagram illustrating a media information screen displayed by an image device when an interface unit of a multimedia content playback / output device according to a first embodiment of the present invention receives a media information request signal using a hotkey.

FIG. 7 illustrates a media information screen displayed by an image device when an interface unit of a multimedia content playing / output device receives a media information request signal through a setup screen according to a second embodiment of the present invention.

8 is a block diagram schematically illustrating the components of a multimedia content playback / output device according to a second embodiment of the present invention;

<Explanation of symbols for main parts of drawing>

100: multimedia content playback / output device

110: DVD player 112: interface unit

114: playback control module 116: decoding unit

118: media loader 120: TV

122: output control module 124: scaler

126: video device

The present invention relates to a multimedia content reproduction / output device, and more particularly, to a multimedia content reproduction / output device for displaying multimedia content information recorded on a media medium on a screen.

In general, a VHS player or a DVD player is connected to a TV such that the player is operated as a playback device and the TV is operated as a display device.

In addition, many TV products that have a function of the VHS player or DVD player mounted on a TV and function as a composite device have been released.

According to such a conventional multimedia content playback / output device, for example, when playing a media medium such as a DVD, a user may play media information such as a playback time, a type of media medium currently mounted in a media loader, and a data format of the content. You can check it.

That is, in order for the user to check the content information recorded on the media medium, the user must switch the TV function to the DVD mode and play the media medium to check the content information on the directory of the information provided by the media medium.

In addition, the user may remove the media medium from the media loader (DVD deck) and directly check the media information printed on the media medium surface.

According to the conventional method, the user can check the content information of the optical disc while the TV (display set) is always set to the DVD mode, so that the user can use the display set in another mode to check what media is currently in the DVD deck. There is an inconvenience to switch modes to do so.

Therefore, when switching the mode and entering the menu screen step by step to check the media information, a lot of time is delayed and the user feels a hassle.

In addition, when the user directly ejects the media and checks the contents, the user may experience more inconvenience.

Accordingly, the present invention provides a multimedia content playback / output device in which a playback unit and a display unit are separated and functioned in various modes, respectively, wherein the hotkey of the remote controller is not switched to the mode of the playback unit equipped with the media medium. Another object of the present invention is to provide a multimedia content reproducing / outputting device capable of easily checking information of multimedia content recorded on a media medium on a screen by manipulating a user menu screen.

In order to achieve the above object, the multimedia content reproduction / output device according to the present invention comprises an interface unit for receiving and transmitting a media information request signal from a user, and a media loader for reading content information according to a playback signal when a media medium is mounted. And a decoding unit for decoding the read content information, and a reproduction control module for transmitting a reproduction signal to the media loader and extracting and transmitting media information included in the decoded content information when the media information request signal is transmitted. Regeneration unit; And an output control module for determining the type of a playback unit on which the media medium is mounted and interpreting and transmitting media information received from the playback control module according to the presence of a signal input and connected to the playback control module. It characterized in that it comprises a content output unit having a scaler for processing the media information delivered from the OSD (On Screen Display) processing and delivered, the image device for displaying the media information transmitted from the scaler.

In addition, the content playback unit of the multimedia content playback / output device according to the present invention is provided in an independent playback device, the content output unit is provided in an independent display device, the content playback unit and the content output unit is connected by a signal transmission cable Characterized in that the communication.

In addition, the independent playback device of the multimedia content playback / output device according to the present invention is characterized in that any one of a computer, a DVD playback device, and an audio playback device.

In addition, the output control module of the multimedia content reproduction / output device according to the present invention determines whether there is a signal input from the reproduction control module, recognizes the type of the independent playback device connected with the cable, and mediates the recognized device information. By passing the information to the scaler, the scaler may display media information and types of independent playback devices together.

In addition, the content playback unit and the content output unit of the multimedia content playback / output device according to the present invention is characterized in that the composite device connected via a UART (Universal Asynchronous Receiver / Transmitter) line.

In addition, the media information of the multimedia content reproduction / output device according to the present invention is characterized in that it includes at least one or more information of whether or not the media medium, the type of media medium, the playback time.

In addition, the interface unit of the multimedia content reproduction / output device according to the present invention includes a communication port and a signal analysis circuit, and when an operation signal of a predetermined button is detected from a remote controller, the detected operation signal is interpreted as a media information request signal to control the playback. Characterized in that the transfer to the module.

In addition, the interface unit of the multimedia content reproduction / output device according to the present invention includes a communication port and a signal analysis circuit for communicating with a remote control unit, has a setup screen operation protocol, and gradually reproduces the setup screen information according to the remote control operation. It is characterized by receiving the media information request signal by transmitting the output module to the scaler to display.

Hereinafter, a multimedia content reproducing / outputting device according to a first embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram schematically illustrating the components of a multimedia content playback / output device 100 according to a first embodiment of the present invention.

Referring to FIG. 1, the multimedia content reproducing / outputting apparatus 100 according to the first embodiment of the present invention includes a content reproducing unit 110 (shown as a “DVD player” in FIG. 1) and a content outputting unit 120. In FIG. 1, the content player 110 is provided in an independent player such as a computer, a digital versatile disc (DVD) player, an audio player, and the like. In the embodiment, the DVD player is provided (hereinafter, the content player is referred to as a "DVD player").

For reference, a DVD is a storage media having a thickness of 1.2 mm and a diameter of 12 cm and having two recording layers on a single side. A single recording layer has a storage capacity of 4.7 GB. Can be stored.

DVDs make surface grooves finer, increase space efficiency, and compress data using MPEG-2 technology to record documentary formats, trailers, stills, movie scripts, and movies for the filmmaking process, in addition to video and audio data. Various contents such as explanation can be recorded.

In addition, the content output unit 120 is also provided in an independent display device, and in the first embodiment of the present invention, it is provided in the TV (hereinafter, the content output unit is referred to as "TV").

Accordingly, the DVD player 110 and the TV 120 are connected by a signal transmission cable to communicate with each other and process information to thereby play the multimedia content playback / output device 100 according to the first embodiment of the present invention. Will be constructed.

Referring to FIG. 1, the DVD player 110 includes an interface unit 112, a media loader 118, a decoding unit 116, and a playback control module 114, and the TV 120 is output. It includes a control module 122, a scaler 124 and the image device 126.

First, the DVD player 110 will be described.

The interface unit 112 receives a media information request signal from a user and transmits the received media information request signal to the playback control module 114. The media information refers to a media medium mounted on the DVD player 110, for example, whether or not an optical disk is installed, and an optical disk. Type, playback time of content recorded on the optical disc, and the like.

The playback control module 114 transmits the media information read from the optical disk to the output control module 122 through a cable so that the media information can be displayed on the TV 120 in the OSD mode. There is no need to enter the disc playback mode to check information on the media information providing directory or to eject the media medium and directly check the information printed on the surface of the medium.

2 is a diagram illustrating a disk code assigned to media information transferred from the playback control module 114 to the output control module 122 according to the present invention.

Referring to FIG. 2, it can be seen that information on whether an optical disc is mounted and content / optical disc type information are classified into formats such as CD, DVD, audio data, video data, and still image data according to each disc code.

The interface unit 112 includes a communication port and a signal analysis circuit for communicating with a remote controller to receive a media information request signal from a user, and receives an operation signal detected when an operation signal of a predetermined button (hot key) is detected from the remote controller. The media information may be interpreted as a request signal and transmitted to the playback control module 114.

In addition, the interface unit 112 includes a communication port, a signal analysis circuit, a setup screen operation protocol, and transmits the setup screen information according to the remote controller operation step by step to the reproduction output module so that the scaler 124 displays it. The media information request signal may be received.

The media loader 118 drives an optical pickup circuit when a media medium is mounted and a playback signal is transmitted from the playback control module 114 to read the content information recorded on the media medium, and to decode the read content information. To pass).

The decoding unit 116 decodes the content information transmitted from the media loader 118 and delivers the information to the playback control module 114.

The playback control module 114 transmits a playback signal to the media loader 118 and, when a media information request signal is transmitted from the interface unit 112, extracts media information from the content information decoded by the decoding unit 116, and displays the TV. And transmits to the output control module 122 of 120.

3 is a diagram illustrating the types of signals used for communication between the regeneration control module 114 and the output control module 122 according to the present invention, and FIG. 4 is an output control from the regeneration control module 114 according to the present invention. A diagram illustrating a status code of the DVD player 110 assigned to the media information delivered to the module 122.

5 is a diagram illustrating a play time code of contents recorded on an optical disc among media information transferred from the play control module 114 to the output control module 122 according to the present invention.

Referring to FIG. 3, the "A" signal shows an enable signal transmitted by the playback control module 114. In order to receive a media information request signal and display media information on the TV 120, the playback control is performed. The module 114 transmits an enable signal to initiate communication with the output control module 122.

The signal "B" of FIG. 3 illustrates a clock signal transmitted by the reproduction control module 114. The reproduction control module 114 outputs a clock signal of an original frequency signal before transmitting a full-scale data signal to control output. Synchronize the original frequency signal used for communication with the module 122.

The "C" signal of FIG. 3 shows a serial data signal transmitted by the reproduction control module 114. One clock period means one data field and is composed of six data fields in total. .

The first data field Com1 contains the status code illustrated in FIG. 4, and as shown in FIG. 4, the status code indicates the mode status information of the DVD player 110 and output control module 122 of the TV 120. Information to inform.

The second data field Com2 carries the disc code illustrated in FIG. 2, and the third data field Com3, the fourth data field Com4 and the fifth data field Com5 contain the playback time code illustrated in FIG. 5. .

According to FIG. 5, the reproduction time code is composed of hours, minutes, and seconds, and the hour, minute, and second values are stored in the third, fourth, and fifth data fields, respectively, and are transmitted to the output control module 122.

The last sixth data field (C / S: Check Sum) is an XOR operation of data bytes from the first byte to the fifth data field, and is a data field for checking a transmission error.

Next, the TV 120 will be described. According to FIG. 1, the TV 120 includes an output control module 122, a scaler 124, and an image device 126.

First, the output control module 122 is connected to the playback control module 114 of the DVD player 110 via a cable, and monitors the cable port to check the presence or absence of a signal transmitted from the playback control module 114. To judge.

As described above, when the signal is received from the playback control module 114, the output control module 122 interprets it as media information and transfers the interpreted media information to the scaler 124.

The signal "D" of FIG. 3 illustrates a serial data signal transmitted by the output control module 122 to the reproduction control module 114, and includes three data fields.

The first data field Com1 contains information for informing the DVD player 110 of the current mode of the TV 120. For example, a code of "0x55" indicates that the TV 120 controls the DVD player 110. It is an information code indicating that it will be used for the purpose, and a code of "0xAA" may be used as an information code indicating that the TV 120 will be used for an external device other than the DVD player 110.

The second data field Com2 contains "IR Command" for transmission status control, and the third data field Com3 is used for checksum data.

In this case, the output control module 122 recognizes the type of external device (DVD player 110 in the first embodiment of the present invention) connected by a cable according to the communication port in which the signal is present, and recognizes the recognized device information. The media information is transferred to the scaler 124 together with the media information.

The scaler 124 records the media information transmitted from the output control module 122 and the type information of the external device in a buffer, and processes the on-screen display (OSD) to the image device 126.

For example, the mode of the TV 120 is recorded in "CommBuff [0]" of the buffer, and the disc code is recorded in "CommBuff [1]". Further, "CommBuff [2]" may sequentially record the time (Hour) of the playback time, "CommBuff [3]" may record the playback time in minutes, and "CommBuff [4]" may record the playback time in seconds. will be.

Finally, the imaging device 126 displays media information and external device information transmitted from the scaler 124.

FIG. 6 illustrates media information displayed by the imaging apparatus 126 when the interface unit 112 of the multimedia content playback / output apparatus 100 according to the first embodiment of the present invention receives a media information request signal using a hot key. 7 is a diagram illustrating a screen, and FIG. 7 illustrates an image device (when the interface unit 112 of the multimedia content playback / output device 100 according to the second embodiment of the present invention receives a media information request signal through a setup screen). 126 is a diagram illustrating a media information screen displayed.

Hereinafter, a multimedia content reproduction / output device according to a second embodiment of the present invention will be described with reference to the accompanying drawings.

8 is a block diagram schematically illustrating components of the multimedia content reproducing / outputting apparatus 200 according to the second embodiment of the present invention.

Referring to FIG. 8, the multimedia content reproducing / outputting apparatus 200 according to the second embodiment of the present invention is largely composed of a content reproducing unit 210 and a content outputting unit 220. It comprises an interface unit 212, a media loader 218, a decoding unit 216 and the playback control module 214, the content output unit 220 is an output control module 222, scaler 224 and Imaging device 226 is included.

In the first embodiment of the present invention described above, the content playback unit 110 and the content output unit 120 are respectively provided as a DVD player and a TV, and the DVD player and the TV are connected by a serial cable. The multimedia content reproducing / outputting apparatus 200 according to the second embodiment of the present invention is in the form of a composite device, and the content reproducing unit 210 and the content outputting unit 220 are formed in one set, and mutual UART (Universal) The connection is internally made through the Asynchronous Receiver / Transmitter line.

The UART (Universal Asynchronous Transceiver) refers to an interface control unit that interconnects serial devices mounted on a computer to process data transmission, for example, to provide an RS-232C DTE interface. The UART typically converts the bytes passed through the parallel circuit into a single serial bit stream, and converts the serial bit stream into bytes for computer processing during internal transmission.

Accordingly, the interface unit 212, the media loader 218, the decoding unit 216, the playback control module 214, and the content output unit 220 of the content playback unit 210 according to the second embodiment of the present invention. The output control module 222, the scaler 224, and the imaging device 226 operate basically the same as the first embodiment of the present invention.

Therefore, based on the fact that the content reproducing unit 210 and the content outputting unit 220 are constituted in one set and internally connected to each other via the UART line, functions different from those in the first embodiment belong to the present invention. Since those skilled in the art can easily know, further description will be omitted below.

The above description is only for explaining one embodiment, and the present invention is not limited to the above-described embodiment and can be variously changed within the scope of the appended claims. For example, the shape and structure of each component specifically shown in the embodiment of the present invention can be modified.

According to the multimedia content reproduction / output device according to the present invention, a multimedia content recorded on a media medium is operated by operating a hotkey or a user menu screen of a remote controller without switching the mode of the display unit to the mode of a playback unit equipped with the media medium. Since the information can be checked on the screen, the user does not have to delay time or hassle, and has an effect of preventing viewing disturbance due to mode switching.

Claims (8)

An interface unit for receiving and transmitting a media information request signal from a user, a media loader for reading content information according to a playback signal when a media medium is mounted, a decoding unit for decoding the read content information, and transmitting a playback signal to the media loader A content playback unit including a playback control module configured to extract and transmit media information included in the decoded content information when the media information request signal is transmitted; And An output control module for determining a type of a playback unit on which the media medium is mounted and interpreting and transmitting media information received from the playback control module according to the presence of a signal input and connected to the playback control module, from the output control module And a content output unit including a scaler for processing the delivered media information by On Screen Display (OSD) processing, and an image device for displaying the media information transmitted from the scaler. The method of claim 1, The content playback unit is provided in an independent playback device, The content output unit is provided in an independent display device, And the content reproducing unit and the content outputting unit communicate with each other via a signal transmission cable. The apparatus of claim 2, wherein the independent playback device Multimedia content playback / output device, characterized in that any one of a computer, DVD player, audio player. The method of claim 2, wherein the output control module The scaler recognizes the type of the independent playback device connected by the cable by determining whether there is a signal input from the playback control module, and transfers the recognized device information along with the media information to the scaler. Multimedia content playback / output device characterized in that the display together. The method of claim 1, The content playback unit and the content output unit multimedia content playback / output device, characterized in that the composite device connected via a UART (Universal Asynchronous Receiver / Transmitter) line. The method of claim 1, wherein the media information is And at least one of information on whether a media medium is mounted, a type of media medium, and a playing time. The method of claim 1, wherein the interface unit And a communication port and a signal analysis circuit, when an operation signal of a predetermined button is detected from a remote controller, the detected operation signal is interpreted as a media information request signal and transmitted to the reproduction control module. The method of claim 1, wherein the interface unit It has a communication port and a signal analysis circuit for communicating with a remote control, and has a setup screen operation protocol, and transmits the setup screen information according to the remote control step by step to the playback output module to display the scaler so as to display the media information request signal. Multimedia content playback / output device, characterized in that for receiving an input.

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