KR20100031272A - The method and apparatus for reproducing and recording of the recording medium - Google Patents

The method and apparatus for reproducing and recording of the recording medium Download PDF

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Publication number
KR20100031272A
KR20100031272A KR1020080090282A KR20080090282A KR20100031272A KR 20100031272 A KR20100031272 A KR 20100031272A KR 1020080090282 A KR1020080090282 A KR 1020080090282A KR 20080090282 A KR20080090282 A KR 20080090282A KR 20100031272 A KR20100031272 A KR 20100031272A
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KR
South Korea
Prior art keywords
data
storage device
external storage
stored
recording
Prior art date
Application number
KR1020080090282A
Other languages
Korean (ko)
Inventor
박광식
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020080090282A priority Critical patent/KR20100031272A/en
Publication of KR20100031272A publication Critical patent/KR20100031272A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
    • H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/488—Data services, e.g. news ticker
    • H04N21/4886—Data services, e.g. news ticker for displaying a ticker, e.g. scrolling banner for news, stock exchange, weather data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal

Abstract

An apparatus for recording and reproducing data on a recording medium according to the present invention reads management information stored in a storage unit for storing management information about an external storage device and a storage unit at a request for requesting specific data, so that the requested data is stored in the external storage device. And a control unit for checking whether the data is stored in the storage device and reading data from the external storage device recorded in the management information according to the confirmation result.

Description

Recording and reproducing apparatus for recording media and recording and reproducing method {THE METHOD AND APPARATUS FOR REPRODUCING AND RECORDING OF THE RECORDING MEDIUM}

The present invention relates to a recording and reproducing apparatus and a recording and reproducing method of a recording medium, and more particularly to a recording and reproducing apparatus and a recording and reproducing method of a recording medium including management information for an external storage device.

As a recording medium, an optical disk capable of recording a large amount of data is widely used. Recently, new high-density recording media, for example, Blu-ray Disc (BD), have been developed to record and store high-quality video data and high-quality audio data for a long time.

Blu-ray Disc (BD), a next-generation recording medium technology, is a next-generation optical recording solution that can have data that significantly surpasses a conventional DVD, and is being developed along with other digital devices in recent years. In addition, the development of an optical recording and reproducing apparatus using a high density recording medium standard has also begun.

In addition, with the development of high-density recording media and optical recording and reproducing apparatuses, recording and reproduction of titles having various attributes of data as contents, for example, titles enabling high interactivity based on the Java platform It becomes possible.

On the other hand, the optical recording and reproducing apparatus may include both an internal storage device and an external storage device, mainly by utilizing the storage function of the external storage device, thereby reducing the function of the internal storage device and minimizing the function in the optical recording and reproducing device. The trend is to reduce functionality.

SUMMARY OF THE INVENTION An object of the present invention is to provide a recording / playing apparatus and a recording / reproducing method of a recording medium which can efficiently use data related to an external storage device.

In order to achieve the above object, a recording and reproducing apparatus of a recording medium according to the present invention requires a storage unit for storing management information about an external storage device and data required by reading management information stored in the storage unit when a specific data request command is issued. It provides a recording medium recording and reproducing apparatus including a control unit for checking whether the data is stored in the external storage device and reading out data from the external storage device recorded in the management information according to the check result.

In addition, the request for specific data may be a request for program data, specifically subtitle data or additional video data, required by a user or a program while the recording medium is being played back.

The present invention also provides a recording medium recording and reproducing apparatus further comprising a communication unit acting as a passage with the network so as to upload or download data information on the network under the control of the controller.

In addition, if it is determined that the requested specific data is not stored in the external storage device based on the management information, the controller downloads and stores the requested specific data to the external storage device through the communication unit, and then reads the stored data. A recording and reproducing apparatus is provided.

In addition, the control unit provides a recording medium recording and reproducing apparatus that stores, in the management information of the storage unit, the specific data downloaded through the communication unit and data about an external storage device in which the specific data is stored.

In addition, the management information provides a recording medium recording and reproducing apparatus including at least one of storage location information of specific data, a file name of specific data, a size of specific data, and identification information of an external storage device in which the specific data is stored.

Further, the identification information of the external storage device provides a recording medium recording and reproducing apparatus which can be edited as an identification mark of a desired form by a user or a program.

Further, the specific data provides a recording medium recording and reproducing apparatus which is subtitle data or moving picture data.

In addition, the management information about the external storage device provides a recording medium recording and reproducing apparatus which is data stored in the external storage device and data relating to the external storage device in which the requested data is stored.

In addition, the control unit provides a recording medium recording and reproducing apparatus for checking whether the external storage device stored in the management information is connected when the requested data is confirmed to be stored in the external storage device through the management information.

In addition, if it is determined that the external storage device is not connected, the controller is further configured to determine that the requested data is stored in the specific external storage device based on the data recorded in the management information and to the corresponding external storage device. A recording medium recording and reproducing apparatus for displaying information is provided.

On the other hand, in the recording and reproducing method of the recording medium according to the present invention, if specific data is requested, reading management information on the external storage device stored in the storage unit, and whether the requested data is stored in the external storage device based on the management information. According to the present invention, there is provided a recording medium recording / reproducing method comprising the step of checking whether the data is read from the external storage device recorded in the management information according to the checking result.

In addition, if it is confirmed that the requested data is not stored in the external storage device, recording and reproducing the recording medium including downloading and storing the requested data on the network to the external storage device through a communication unit connectable to the network. Provide a method.

The present invention also provides a recording medium recording and reproducing method further comprising the step of storing the specific data downloaded through the communication unit and information on the external storage device in which the specific data is stored in the management information of the storage unit.

In addition, the management information provides a recording medium recording and reproducing method including at least one of storage location information of specific data, a file name of specific data, a size of specific data, and identification information of an external storage device in which specific data is stored.

In addition, the identification information of the external storage device provides an editable recording medium recording and reproducing method.

In addition, the specific data provides a recording medium recording and reproducing method which is subtitle data or moving picture data.

In addition, if it is confirmed that the required data is stored in the external storage device through the management information, it provides a recording medium recording and reproducing method further comprising the step of checking whether or not the external storage device stored in the management information.

In addition, if it is confirmed that the external storage device recorded in the management information is not connected, recording and reproducing the recording medium further comprising displaying information that the requested data is stored in the external storage device and information about the corresponding external storage device. Provide a method.

By separately recording the data information recorded in the external storage device and the identification information about the external storage device in which the data information is recorded as management information, the data stored in the external storage device can be effectively used, and the integrated storage management of the external storage device is possible. Can provide convenience.

The terms used in the present invention were selected as general terms widely used as possible, but in some cases, the terms arbitrarily selected by the applicant, and in this case, the meanings of the terms are described in detail in the description of the invention. It is to be understood that the present invention is not meant by terms.

For convenience of explanation, the data management apparatus will be described below using a disc player, particularly a Blu-ray disc recording and reproducing apparatus, as an example. However, it is obvious that the technical idea of the present invention is equally applicable to both a recording / reproducing apparatus for recording and reproducing other recording media and a means for managing data of an external storage device.

In this regard, in the present invention, the internal storage device, in other words, the storage unit, is a kind of storage means provided in the optical recording and reproducing apparatus, and means an element that a user can arbitrarily store and utilize necessary information and data. Internal storage devices which are generally used today may include a hard disk, a system memory, a flash memory, but the present invention is not necessarily limited thereto. In particular, in connection with the present invention, the internal storage device may also be used as a means for storing data associated with the recording medium, and data stored in the internal storage device in association with the recording medium is generally data downloaded from the outside. Some permitted data may be read directly from the recording medium, or system data related to recording and reproducing of the recording medium may be generated and stored in the internal storage device.

In addition, in the present invention, the external storage device is a storage means separately provided outside the optical recording and reproducing apparatus, and is an element capable of arbitrarily storing and utilizing necessary information and data. The internal storage device and its functions and roles are similar, but differ in that they exist separately outside the optical recording / reproducing device.

In addition, in the present invention, for convenience of description, data recorded in the recording medium is referred to as original data, and data related to the recording medium among the data stored in the internal storage device and the external storage device is additional data. data).

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention.

1 is a schematic diagram showing a data reproducing system according to an embodiment of the present invention, showing an example of integrated use between the recording and reproducing apparatus 100 and a peripheral device.

As shown in Fig. 1, the data reproducing system according to the embodiment of the present invention records data on the recording medium 300, and records and reproduces the recording and reproducing apparatus 100, which is configured to reproduce the recorded data. ) And an external source 400 for providing additional data to the recording and reproducing apparatus 100.

The recording and reproducing apparatus 100 is a device capable of recording or reproducing optical discs of various standards. According to the design, only the optical disc of a specific standard can be recorded and reproduced. That is, the recording medium 300 may be a high density recording medium such as HD-DVD or BD.

In addition, the recording and reproducing apparatus 100 may be reproduced without recording, and the recording and reproducing apparatus 100 may be a drive that can be embedded in a computer or the like.

In addition to the function of recording and reproducing data on the recording medium 300, the recording and reproducing apparatus 100 according to an exemplary embodiment of the present invention receives a data signal from an external source 400 and processes the signal and then displays the external display apparatus 200. It has the function of passing it to the screen through the user. In this case, a data signal may be transmitted from an external source 400 through the Internet, and specific data on the Internet may be downloaded and utilized through the recording and reproducing apparatus 100. Specific data on the Internet may be stored in the recording / playback apparatus, but may be stored in the external storage device 32 separately from the recording / playback apparatus. Data mainly stored in the external storage device 32 mainly corresponds to additional data.

On the other hand, with the development of high-density recording media, networking, communication technologies, etc., it has become possible to provide data whose interactivity with a user significantly exceeds the existing recording media. However, in order to reproduce data providing high interactivity with a user, it is required that the recording / playback apparatus 100 be provided with a high speed processor, a large memory, and a complex program. At this time, there is a limit to storing additional data in a limited space inside the recording / playback apparatus 100. Therefore, it is advantageous in terms of cost or control of the recording / reproducing apparatus itself to minimize the capacity of the recording / reproducing apparatus 100 and to increase the storage capacity of the international data through the external storage.

2 is a block diagram showing the overall configuration of the recording / playback apparatus 100 according to the embodiment of the present invention.

As shown in FIG. 2, the recording / playback apparatus 100 according to the embodiment of the present invention includes a pickup 12, a servo 14, a signal processor 16, a memory 18, a microcomputer 20, and internal storage. Device or storage 22, AV encoder 24, AV decoder 26, control unit 28, interactive module 30, and communication unit 34.

The pickup 12 irradiates light on the recording medium 300 to reproduce data from the recording medium 300 or to record data on the recording medium 300. It also plays a role in reproducing the recording medium 300 in which a title including interactive content and movie content is recorded.

The servo 14 controls the operation of the pickup 12.

The signal processor 16 restores the reproduction signal received from the pickup 12 to a desired signal value, or modulates and transmits the signal to be recorded into a signal recorded on the recording medium 300.

The memory 18 stores various kinds of information necessary for data reproduction. In the present invention, the identification information of the recording medium, the mark information of the playlist, the reproduction position information of the movie content, and the like can be stored. The microcomputer 20 controls the operation of the pickup 12, the signal processor 16, the servo 14, and the memory 18.

The pickup / playback 12, servo 14, signal processor 16, memory 18, and microcomputer 20 may also be referred to as a recording / playback section. The recording / playback section may be configured as a single product.

In view of reproduction, the recording / reproducing section reads data from the recording medium 300, the memory 18, or the internal storage 22 under the control of the microcomputer and / or the control unit 28, and provides it to the AV decoder 26. . In other words, the recording / playback section serves as a playback section for reading data from the viewpoint of playback.

In view of the recording, the recording / reproducing section is a recording section which receives the signal encoded by the AV encoder 24 and records the AV stream and management information about the AV stream on the recording medium 300.

The internal storage device or the storage unit 22 is a kind of storage means provided in the recording and reproducing apparatus 100, and may be referred to as a storage unit in the present invention. This allows the user to arbitrarily store and utilize necessary information and data. Element. Data having persistence may be stored in internal storage 22.

As the internal storage device or the storage unit 22, a flash memory provided in the recording / playback device 100 may be used.

On the other hand, in addition to the internal storage device 22, a USB memory, HDD memory or a memory card that can be connected to and removed from the recording / playback device 100 may be used as the external storage device 32.

The internal storage device 22 and the external storage device 32 are also used as a means for storing data downloaded in association with the recording medium 300. Meanwhile, data directly read from the recording medium 300 may be stored in the internal storage 22.

The storage unit 22 may record management information about the external storage device 32. Management information in the form of a list of data information stored in the external storage device 32 may be recorded. The management information may store identification information of the external storage device 32 in which data is stored. The identification information may include the manufacturer, model information, capacity and type information of the external storage device, information input by the user, edited information, identification number, and the like. When a request for requesting specific data is generated through identification information in the management information, it may be used as a tool for displaying an external storage device storing the specific data or as a tool for connecting to the external storage device. However, the present invention is not limited thereto, and various modifications or uses may be made by those skilled in the art. The data information stored in the external storage device may include a data size, a data name, a creation date of the data, a backup date of the data, and an internet address in the case of data downloaded from the Internet.

The control unit 28 is responsible for controlling each component in the recording / playback apparatus 100. In addition, the controller 28 may determine whether specific data is stored in the external storage device using the external storage device stored in the storage unit 22 and management information about the data stored in the external storage device. In addition, when it is confirmed that the specific data is stored in the external storage device based on the management information, the controller 28 may control to read out the requested data from the external storage device in which the specific data recorded in the management information is stored. In addition, when it is determined that the specific data is not stored in the external storage device based on the management information, the controller 28 downloads the specific data through the communication unit and stores the specific data in the external storage device 32 or the storage unit 22. Can be controlled. In addition, when the specific data downloaded through the communication unit 34 exists, the control unit 28 may control the storage unit 22 to store the downloaded specific data information and information of an external storage device in which the specific data information is stored. have.

Identification information of the external storage device 32 may be variously edited by the user. This can be applied when recording the downloaded data information in the management information. For example, in the case of a specific external hard storage device, it can be recorded in the management information as "my storage device". In this case, it will be apparent to those skilled in the art that the product number of a specific external hard storage device and the name "my storage device" are linked so that the recording and playback device itself is recognized as the same device. In addition, when it is confirmed that the specific data is stored in the external storage device in the management information or when it is confirmed that the data is recorded in the specific external storage device, the control unit 28 transmits the specific external storage device to the recording / playback device 100. It also checks whether or not you are connected. Specifically, first, it is possible to determine whether there is no data when the external storage device is not connected simply by checking whether the external storage device is connected, and second, identifying information of the external storage device recorded in the management information. A procedure for checking whether the connected external storage device corresponds to the external storage device including the requested data information may be possible. When a specific external storage device is not connected to the recording / playback apparatus 100, the name of the specific external storage device and the stored data name are displayed so that the user can connect the specific external storage device to the recording / playback apparatus 100. It plays the role of displaying in a way that the user can recognize. In accordance with this indication, the user may have the option to access the external storage device and use the data.

The control unit 28 and the microcomputer 20 may be provided separately to operate. In addition, the functions of the control unit 28 and the microcomputer 20 may be integrated to operate as one control unit. The controller may be composed of a program (software) and / or hardware provided in the recording / playback apparatus 100.

The AV decoder 26 finally decodes the output data under the control of the controller and provides the same to the user. The AV decoder 26 may include a plurality of decoders according to the type of data.

The AV encoder 24 converts the input signal into a signal of a specific format, for example, an MPEG-2 (MPEG2) transport stream, under the control of a control unit, in order to perform a function of recording a signal on an optical disc. ).

In addition, the memory 18 is a space for processing various information for reproducing the recording medium 300 and data related to the recording medium 300, and includes various buffers in iHD, navigation software, and optical recording / reproducing apparatus. It is also used as a space for an operation system. That is, a space in which operation management information, etc. related to the operation of a recording medium, etc. are recorded is compared to the internal storage device 22, and the internal storage device 22 has a difference in that general data is stored. But there is no great benefit in distinguishing. The memory 18 may serve as one storage storage in combination with the internal storage device 22, in which case the memory 18 includes both the functions of the existing memory and the functions of the internal storage device.

In addition, the interactive module 30 is a space for processing various information related to the interactive application, and is configured by utilizing a memory 18 or a processor (not shown) provided or connected to the recording / playback apparatus 100. It is also possible that the interactive module 30 is configured as part of the control unit 28.

In addition, the communication unit 34 may download or upload data through the communication unit under the control of the control unit as a path for connecting data on the external source 400 or the network or data information on the Internet. In addition, the communication unit 34 may obtain specific information and data desired by the user.

Hereinafter, a data management method according to an embodiment of the present invention will be described in detail. 3 is a flowchart illustrating a method of managing data recorded in an external storage device according to an embodiment of the present invention.

For convenience of explanation, the recording medium recording and reproducing apparatus will be described as an example, but the present invention is not limited thereto, and any apparatus for managing data will be included.

First, a user or a program or the like is required to provide specific data (S10). In this case, the specific data may be caption data, latest commentary data for each title, or additional video data. However, the specific data is not limited thereto, and the type of data required is not limited.

According to a request for providing specific data, the recording medium recording / reproducing apparatus determines whether or not the data requested for the internal storage device is stored (S20). At this time, if the requested data exists in the internal storage of the recording medium recording / reproducing apparatus, the data is provided to the user or the program (S30).

On the other hand, if the requested data does not exist in the internal storage device, it is determined whether the requested data is stored in the external storage device (S40). At this time, whether or not the data requested for the external storage device is stored uses management information recorded in the storage unit in the recording medium recording and reproducing apparatus. The external storage device may be a USB storage device or an external hard storage device. However, the present invention is not limited thereto, and any device that can be stored separately may be included. In the management information, the type of data recorded on the external storage device, the size of the data, and identification information of the external storage device itself are recorded in a list format. The information recorded in the management information is not limited to this, and those skilled in the art may include various information within the obvious scope. The identification information of the external storage device itself may be manufacturer information of the external storage device, may be model information, may be capacity and type information, and may be a product unique number. However, the present invention is not limited thereto, and a person skilled in the art will be able to select identification information within a clear range.

If it is confirmed in the management information that the data required for the external storage device is stored, it is checked whether the external storage device recorded in the management information is connected to the recording / reproducing device (S50). When connected to a recording / playback apparatus, this data is provided to a user or a program.

On the other hand, when the external storage device is not connected to the recording / playback device, data requested by the external storage device is stored to the user, and detailed information on the external storage device where the requested data is stored is displayed (S60). In this case, there may be various methods for displaying such information, but for example, displaying on the screen through the display unit may be an example.

After that, it is checked whether the external storage device is to be connected (S70). When an external storage device is connected to a recording / reproducing device by a user, data in the connected external storage device is provided to a user or a program.

On the other hand, when the external storage device cannot be connected to the recording / playback device for various reasons, it is determined whether to use data on the network through the communication unit (S80). This is the same even when the management information confirms that the data required for the external storage device is not stored.

If the data on the network is refused for various reasons, the reproduction of the requested data is ignored or abandoned. On the other hand, when the use of the data on the network is determined to download and store the data required for the external storage or internal storage (S90).

Thereafter, the downloaded and stored data, stored location information, and external storage device identification information when stored in the external storage device are recorded in the management information in the storage unit (S100). In particular, when stored in the external storage device it is possible to edit the identification information of the external storage device stored in the management information. For example, the identification information of the stored external storage device may be modified to a name familiar to the user. It is possible to edit the name of the external storage device of USB 1 as "intelligent".

Although the preferred embodiments of the present invention have been described above, the present invention is not limited thereto, and various modifications and changes can be made within the scope of the claims and the detailed description of the invention and the accompanying drawings, and the present invention is also provided. Naturally, it belongs to the range of.

1 is a schematic diagram showing an integrated use between a recording / playback device and a peripheral device as an embodiment of the present invention.

2 is a block diagram showing the overall configuration of a recording / playback apparatus of a recording medium according to an embodiment of the present invention.

3 is a flowchart illustrating a data management method of an external storage device according to an embodiment of the present invention.

Claims (18)

An apparatus for recording and reproducing data on a recording medium, A storage unit for storing management information about an external storage device; And Reads the management information stored in the storage unit at the time of requesting specific data and checks whether the requested data is stored in the external storage device, and stores the data from the external storage device recorded in the management information according to the result of the check. A recording and reproducing apparatus including a control unit for reading out. The method of claim 1, And a communication unit acting as a passage with the network to upload or download data information on the network under the control of the controller. The method of claim 2, If it is determined that the requested specific data is not stored in the external storage device based on the management information, the controller downloads the requested specific data to the external storage device through the communication unit and stores the read data after reading the stored data. Shipping and reproducing device. The method of claim 3, wherein And the control unit stores, in the management information of the storage unit, the specific data downloaded through the communication unit and data about an external storage device in which the specific data is stored. The method of claim 4, wherein And the management information includes at least one of storage location information of the specific data, a file name of the specific data, a size of the specific data, and identification information of an external storage device in which the specific data is stored. The method of claim 5, wherein And the identification information of the external storage device can be edited in various forms by a user or a program. The method of claim 1, And the specific data is subtitle data or moving picture data. The method of claim 1, And the management information on the external storage device is data stored on the external storage device and data on the external storage device on which the requested data is stored. The method of claim 3, wherein And if the controller determines that the requested data is stored in the external storage device through the management information, the controller checks whether the external storage device stored in the management information is connected. The method of claim 9, And when the controller determines that the external storage device is not connected, the control unit displays information indicating that the requested data is stored in the external storage device and information on the corresponding external storage device. In the method of recording and reproducing data on a recording medium, Reading management information on an external storage device stored in a storage unit when specific data is requested; Checking whether the requested data is stored in an external storage device based on the management information; And And reading out the data from an external storage device recorded in the management information according to the checking result. The method of claim 11, If it is determined that the requested data is not stored in the external storage device, the recording and reproducing method includes downloading and storing the requested data in the external storage device on the network through a communication unit that can be connected to the network. . The method of claim 12, And storing the specific data downloaded through the communication unit and information about an external storage device storing the specific data in management information of the storage unit. The method of claim 11, And the management information includes at least one of storage location information of the specific data, a file name of the specific data, a size of the specific data, and identification information of an external storage device in which the specific data is stored. The method of claim 14, And the identification information of the external storage device can be edited in various forms by a user or a program. The method of claim 11, And the specific data is caption data or moving image data. The method of claim 12, And confirming whether the requested data is stored in an external storage device through the management information, checking whether the external storage device stored in the management information is connected. The method of claim 17, If it is confirmed that the external storage device recorded in the management information is not connected, recording and reproducing the information indicating that the requested data is stored in the external storage device and information on the corresponding external storage device. Way.
KR1020080090282A 2008-09-12 2008-09-12 The method and apparatus for reproducing and recording of the recording medium KR20100031272A (en)

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