KR100641931B1 - Data connection recording and playback method for multi recording media - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data connection recording and reproducing method of a multi-recording medium. For example, in a composite video apparatus in which a DVD recorder and a hard disk recorder are integrated, a DVD or a hard disk is included. If the data recording capacity is insufficient while recording data on any one of the first recording medium and the second recording medium, such as connecting and recording the data to another recording medium, and separately managing the different titles, By generating and recording management information for connecting and reproducing the respective titles, the recording information is recorded in the title information, and when the connection-recorded title is requested for reproduction, the first recording medium is referred to with reference to the management information recorded and included in the title information. And the titles recorded on the second recording medium can be connected and played back. Due to this, it is possible to effectively prevent the recording operation from being stopped, and it is a very useful invention that each title recorded on different recording media can be connected and reproduced normally.

Composite video device, DVD recorder, hard disk recorder, title information, linked recording, linked playback

Description

Method of recording and reproducing data link of multiple recording media {Method for recording and reproducing data link of multiple medium}             

1 illustrates a configuration of a general composite video device.

Fig. 2 shows an embodiment of a title and title information recorded and managed on a general optical disc.

3 illustrates an embodiment of a data connection recording method of a multi-recording medium according to the present invention;

FIG. 4 illustrates an embodiment in which connection recording information is recorded and included in a video manager information management table VMGI_MAT of a DVD according to the present invention.

5 illustrates another embodiment of a data connection recording method of a multi-recording medium according to the present invention;

6 shows an embodiment of a data connection reproduction method of a multi-recording medium according to the present invention;

7 shows another embodiment of a data connection reproduction method of a multi-recording medium according to the present invention.

※ Explanation of code for main part of drawing

10: optical disc 11: optical pickup

12: VDR system 13: the first microcomputer

14: first memory 20: hard disk

21: HDR system 22: the second microcomputer

23: second memory 24: interface unit

The present invention relates to a data connection recording and reproducing method of a multi-recording medium. For example, in a composite video apparatus, data is recorded while recording data on any one of a different first recording medium or a second recording medium. The present invention relates to a data connection recording and reproducing method of a multi-recording medium for connecting and recording data to another recording medium and connecting and recording the connected recorded data normally when the recording capacity is insufficient.

FIG. 1 shows a configuration of a general composite video apparatus. For example, in a composite video apparatus in which a DVD recorder and a hard disk recorder are integrated, an optical disc 10 and an optical disc are provided. The pickup 11, the VDR (Video Disc Record) system 12, the first microcomputer 13, and the first memory 14 are included, and the hard disk 20 and the HDR (HDD Record) system 21 are included. The second microcomputer 22, the second memory 23, and an interface unit 24 for connecting to an external connection device may be included.

On the other hand, the user with the composite video device, the user wants to record the data stream, such as the data stream of the broadcast program provided through digital broadcasting, on an optical disc 10 such as a rewritable DVD (RW-RW) or Alternatively, the hard disk 20 can be recorded and stored.

For example, in the first microcomputer 13, the VDR system 12 is operated and controlled in response to a user's request, so that the data stream received through the interface unit 24 is recorded on the optical disc 10. As shown in Fig. 2, if the data recording capacity is insufficient (Data Full) while recording the data stream in the data area of the optical disc, the data recording operation is stopped (Rec_Stop). The data stream recorded up to that time is classified and managed as a new title (eg, Title # m + 1).

Further, title information (eg, Title # m + 1_Info) corresponding to the new title is generated and recorded and managed as navigation information in a lead-in area of the optical disc. For example, the title As shown in FIG. 2, the title start address (Title_SA) and the title end address (Title_EA), the title name (Title_Name), attribute information on video and audio data, and the like can be recorded. have.

On the other hand, when the user requests to write data to the hard disk, the second microcomputer 22 operates the HDR system 21 to control the data stream received through the interface unit 24. If the data recording capacity is insufficient while recording the data stream in the data area of the hard disk, for example, the data recording operation is stopped or the previously recorded data is recorded. After the deletion, a series of overwrite write operations for recording new data are performed.

When the data recording operation is stopped, the second microcomputer 22 classifies and manages the recorded data streams into new titles, generates title information corresponding to the new titles, and Recording is managed in the header area as file system information.

However, in the general composite video apparatus, as described above, when the data recording capacity becomes insufficient while recording data on the optical disc, the recording operation is automatically stopped, so that all data streams received in real time cannot be continuously recorded. The problem of becoming impossible becomes.

In addition, if the data recording capacity is insufficient while recording data on the hard disk, the recording operation is stopped or a superimposed recording operation for recording new data after deleting previously recorded data is performed. It is not possible to continuously record the data stream received or the previously recorded important data is wrongly deleted.

Accordingly, the present invention has been created to solve the above problems, and for example, in a composite video apparatus in which a DVD recorder and a hard disk recorder are integrated, a first recording medium or a second recording such as a DVD or a hard disk is included. If the data recording capacity is insufficient while recording data on any one of the media, the data is recorded and connected to different recording media and managed separately for different titles. When information is generated and included in each title information and recorded, the connected and recorded title is requested to be reproduced, and then linked recording is performed on the first recording medium and the second recording medium, respectively, with reference to the management information recorded in the title information. Data connection of multi-recording media for connecting and playing back titles normally To provide a lock and the reproducing method, it is that the purpose.

In order to achieve the above object, the data connection recording method of a multi-recording medium according to the present invention comprises the steps of: connecting and recording data on a second recording medium when the recording capacity is insufficient while recording data on the first recording medium. ; And separately managing the data recorded on the first recording medium and the data recorded on the second recording medium with different titles, and generating management information for connecting and reproducing the respective titles. Characterized in that it comprises two steps to include in the recording,

In addition, the data connection reproduction method of the multi-recording medium according to the present invention comprises the first step of selecting and reproducing the title by searching for the title information corresponding to any one of the titles requested for reproduction among the titles recorded on the first recording medium. ; When the title is to be reproduced, step 2 of checking whether connection is recorded by referring to management information recorded in the title information; And three steps of selecting and continuously reproducing any one title connected and recorded on the second recording medium when the connection is recorded with the second recording medium as a result of the checking.

Hereinafter, exemplary embodiments of a data connection recording and reproducing method of a multi-recording medium according to the present invention will be described in detail with reference to the accompanying drawings.

First, as described above with reference to FIG. 1, the present invention may be applied to a composite video device in which a DVD recorder and a hard disk recorder are integrated, and in addition, a third video device such as a VCR is included. The present invention may be applied to various composite video apparatuses. The composite video apparatuses in which the DVD recorder and the hard disk recorder are integrated will be described in detail as an embodiment.

FIG. 3 illustrates an embodiment of a data connection recording method of a multi-recording medium according to the present invention. For example, when a user requests recording of data on the optical disc 10, the first micom of the DVD recorder is shown. In 13, operation of the VDR system 12 is performed to record and store the data stream received through the interface unit 24 in the data area of the optical disc 10. FIG.

On the other hand, if the data recording capacity is insufficient (Data Full) while recording the data stream in the data area of the optical disc, the first microcomputer 13 stops the data recording operation (Rec_Stop) and the hard drive. An interface with the second micom 22 of the disc recorder is performed, and in the second micom 22, the data stream received through the interface unit 24 is continuously connected to the data area of the hard disk 20. A series of link record (Link_Record) operations are performed.

After the connection recording operation is completed, the first microcomputer 13 interfaces with the second microcomputer 22 and writes a newly recorded data stream in the data area of the optical disc. New titles (eg Title # m + 1).

Further, title information (eg, Title # m + 1_Info) corresponding to the new title is generated and recorded and managed as navigation information in a lead-in area of the optical disc. For example, the title As shown in Fig. 3, information (for example, Title # m + 1_Info) includes a title start address (Title_SA) and a title end address (Title_EA), a title name (Title_Name), and attributes for video and audio data ( In addition to the recording of the attribute information, link recording (Link_Rec_Flag), link recording order (Link_Rec_Order), link recording medium (Link_Rec_Media), and link-recorded title number (or address) (Link_Rec_Title Number (or Address)) are identified. Information that can be recorded is included.

On the other hand, the information indicating whether the link recording and the link recording order can be recorded and managed by the 2-bit flag 'Link_Flag'. For example, when 'Link_Flag = 10', the link recording operation is performed to the optical disk first. In the case of 'Link_Flag = 01', the link recording operation is performed later on the optical disk. In the case of 'Link_Flag = 00', the link recording operation is not performed, and 'Link_Flag = 11' is classified as a reserved state. Managed.

In addition, the information indicating the title number recorded in connection with the connection recording medium may be recorded and managed as' HDD_Title # n + 1 ', wherein' HDD 'indicates that the connection recording medium is a hard disk, and the' Title # n + 1 'represents the title number recorded on the hard disk.

In addition, the second microcomputer 22 interfaces with the first microcomputer 13 and performs a new title (for example, Title # n + 1) on the data stream newly recorded in the data area of the hard disk. It will be managed separately.

Further, title information (eg, Title # n + 1_Info) corresponding to the new title is generated and recorded and managed as file system information in a header area of a hard disk. For example, the title information ( Example: Title # n + 1_Info) includes a title start address (Title_SA) and a title end address (Title_EA), a title name (Title_Name), and attributes for video and audio data, as shown in FIG. In addition to the information being recorded, information that can identify whether or not to be recorded is recorded, the connection recording order, the connection recording medium, and the title number recorded in connection is recorded.

The information indicating whether the link is recorded and the link recording order may be recorded and managed by a 2-bit flag 'Link_Flag'. For example, when 'Link_Flag = 01', the link recording operation to the hard disk is performed later. In the case of 'Link_Flag = 10', it indicates that the write recording operation to the hard disk has been performed first. In the case of 'Link_Flag = 00', the connection writing operation has not been performed and 'Link_Flag = 11' is reserved. Managed by.

Further, the information indicating the title number recorded in connection with the connected recording medium may be recorded and managed, for example, as 'DVD_Title # m + 1', wherein 'DVD' indicates that the connected recording medium is a DVD. , 'Title # m + 1' indicates a title number recorded on the DVD.

On the other hand, when the optical disc 10 is a recordable DVD (for example, DVD-R / RW), as shown in FIG. 4, a margin included in the video manager information management table (VMGI_MAT) defined in the DVD standard is shown. In the reserved area, for example, the last free area (e.g., RBP 360 t0 511), the link recording status (Link_Rec_Flag), the link recording order (Link_Rec_Order), the link recording medium (Link_Rec_Media), and the link number recorded title number ( Or an address) (Link_Rec_Title Number (or Address)), respectively, or information indicating whether or not to link recording and link order (for example, 'Link_Flag = 10'), and information indicating a title number linked and recorded on the link recording medium ( Example: 'HDD_Title # n + 1') will be recorded.

FIG. 5 illustrates another embodiment of a data connection recording method of a multi-recording medium according to the present invention. For example, when a user requests to record data to the hard disk 20, In the second microcomputer 22, the HDR system 21 is operated to record and store the data stream received through the interface unit 24 in the data area of the hard disk 20.

On the other hand, if the data recording capacity becomes insufficient (Data Full) while recording the data stream in the data area of the hard disk, the second microcomputer 22 stops the data recording operation (Rec_Stop), An interface with the first micom 13 of the DVD recorder is performed, and in the first micom 13, a data stream received through the interface unit 24 is continuously connected to a data area of the optical disc 10. A series of link record (Link_Record) operations are performed.

After the connection recording operation is completed, the second microcomputer 22 performs an interface with the first microcomputer 13 and records a data stream newly recorded in the data area of the hard disk. One new title (eg Title # q + 1) will be managed.

Further, title information (eg, Title # q + 1_Info) corresponding to the new title is generated and recorded and managed as file system information in a header area of a hard disk. For example, the title information ( Example: Title # q + 1_Info) includes a title start address (Title_SA) and a title end address (Title_EA), a title name (Title_Name), and attributes for video and audio data, as shown in FIG. In addition to the information being recorded, information for identifying whether or not to be recorded and the order of connection recording, the connection recording medium, and the title number recorded and connected is recorded.

On the other hand, the information indicating whether or not the link recording and the link recording order can be recorded and managed by the two-bit flag 'Link_Flag', for example, if 'Link_Flag = 10', the link recording operation is performed to the hard disk first. Information indicating the title number recorded in connection with the connection recording medium may be recorded and managed by 'DVD_Title # p + 1', wherein 'DVD' indicates that the connection recording medium is a DVD and the 'Title # p + 1 'represents a title number recorded on the hard disk.

In addition, the first micom 13 performs an interface with the second micom 22 and converts a newly recorded data stream into the data area of the DVD to a new title (eg, Title # p + 1). Division management.

Further, title information (eg, Title # p + 1_Info) corresponding to the new title is generated and recorded and managed as navigation information in the lead-in area of the DVD. For example, the title information (eg, Title #). In p + 1_Info, as shown in Fig. 5, a title start address (Title_SA), a title end address (Title_EA), a title name (Title_Name), and attribute information for video and audio data are recorded. In addition, information is included to identify whether or not the connection recording is to be performed, the connection recording order, the connection recording medium, and the title number recorded in the connection.

The information indicating whether or not the link recording and the link recording order can be recorded and managed by a 2-bit flag 'Link_Flag'. For example, when 'Link_Flag = 01', the link recording operation to the optical disk is performed later. The information indicating the title number recorded in connection with the connected recording medium may be recorded and managed as, for example, 'HDD_Title # q + 1', wherein 'HDD' indicates that the connected recording medium is a hard disk. 'Title # q + 1' represents a title number recorded on the hard disk.

FIG. 6 shows an embodiment of a data connection reproduction method of a multi-recording medium according to the present invention, for example, as described above with reference to FIG. 3 among a plurality of titles recorded on an optical disc 10 by a user. Likewise, when a connection request for playback of the recorded m + 1th title (Title # m + 1) is requested, in the first micom 13 of the DVD recorder, the m + 1st title information (Title # m + 1_Info) corresponding thereto is provided. ), And the operation of the VDR system 12 is performed to selectively reproduce the m + 1th title (Title # m + 1) recorded in the data area of the optical disc.

On the other hand, when all the m + 1 th titles (Title # m + 1) recorded in the data area of the optical disc are reproduced, the 2-bit flag 'Link_Flag' included in the m + 1 th title information (Title # m + 1_Info) = 10 ', it is determined that the recording and recording operation is first performed on the optical disc 10, and the " HDD_Title # n + 1 " included in the m + 1 th title information (Title # m + 1_Info) is referred to. Then, the n + 1th title (Title # n + 1) connected to and recorded on the hard disk is requested to be connected and reproduced through the interface with the second microcomputer 22 of the hard disk recorder.

The second microcomputer 22 searches for n + 1th title information (Title # n + 1_Info) recorded and managed as file system information in the header area of the hard disk. With reference to the 2-bit flag 'Link_Flag = 01' included in the information (Title # n + 1_Info), it is determined that a link write operation is performed later on the hard disk 20, and the n + 1 th title information ( By referring to 'DVD_Title # m + 1' included in Title # n + 1_Info), it is determined to be connected to the m + 1th title (Title # m + 1) recorded on the DVD, and then connected to the hard disk. A series of data link reproducing operations of continuously linking (Link_Play) the n + 1 th titles (Title # n + 1) are performed.

FIG. 7 illustrates another embodiment of a data connection reproduction method of a multi-recording medium according to the present invention. For example, among the plurality of titles recorded on the hard disk 20 by the user, the foregoing description will be given with reference to FIG. 5. As described above, when a connection request for playback of the q + 1th title (Title # q + 1) recorded is requested, the second micom 22 of the hard disk recorder, q + 1st title information (Title #) corresponding thereto is requested. In addition to searching and referring to q + 1_Info, the HDR system 21 is operated to control and selectively reproduce the q + 1 th title (Title # q + 1) recorded in the data area of the hard disk.

On the other hand, if all q + 1th titles (Title # q + 1) recorded in the data area of the hard disk are reproduced, the two-bit flag 'included in the q + 1th title information (Title # q + 1_Info) With reference to Link_Flag = 10 ', it is determined that the link recording operation has been performed to the hard disk 20 first, and' DVD_Title # p + 1 'included in the q + 1th title information (Title # q + 1_Info). With reference to FIG. 9, the P + 1th title (Title # p + 1) connected to and recorded on the DVD is requested through the interface with the first microcomputer 10 of the DVD recorder.

Further, the first micom 13 searches for the p + 1th title information (Title # p + 1_Info) recorded and managed as navigation information in the lead-in area of the optical disc. With reference to the 2-bit flag 'Link_Flag = 01' included in the information (Title # p + 1_Info), it is determined that the link recording operation is performed later on the optical disc 10, and the p + 1th title information (Title With reference to 'HDD_Title # q + 1' included in # p + 1_Info), it is determined that the recording has been performed in association with the q + 1th title (Title # q + 1) recorded on the hard disk, and then recorded in connection with the optical disk. A series of data link playback operations are performed in which the p + 1 th title (Title # p + 1) is continuously linked and played back (Link_Play).

For reference, the present invention may be applied to a DVD or Blu-ray Disc or other various recording media, and the information for indicating the connected recording may be based on the specifications of the respective recording media. Records can be managed to suit the unique manner in which they are defined.

Or more, preferred embodiments of the present invention described above, for the purpose of illustration, those skilled in the art, within the technical spirit and the technical scope of the present invention disclosed in the appended claims below, to further improve various other embodiments Changes, substitutions or additions will be possible.

The data connection recording and reproducing method of the multi-recording medium according to the present invention constituted and constructed as described above is, for example, in a composite video apparatus in which a DVD recorder and a hard disk recorder are integrated. If the data recording capacity is insufficient while recording data on either the first recording medium or the second recording medium, such as a DVD or a hard disk, the data may be connected to and recorded on another recording medium, and may be recorded in different titles. By separately managing and generating management information for connecting and reproducing the respective titles, and recording them in each title information, when the connection-recorded title is requested to be reproduced, with reference to the management information recorded and included in the title information, Since the titles recorded on the first recording medium and the second recording medium, respectively, can be connected and reproduced, And so due to a lack of the emitter recording capacity it can be effectively prevented from being stopped the recording operation, and is extremely useful inventions which allow a single title recorded on different recording media, to play properly connected.

Claims (12)

If the recording capacity is insufficient while recording data on the first recording medium, step 1 of connecting and recording data on the second recording medium; And The data recorded on the first recording medium and the data recorded on the second recording medium are separately managed according to different titles, and management information for connecting and reproducing the respective titles is generated and stored in each title information. Including two steps of recording, The data recorded on the first recording medium is recorded and managed as the last title of the first recording medium, and the data recorded on the second recording medium are separately managed as the last title of the second recording medium. A data connection recording method for a multi-recording medium, characterized in that. The method of claim 1, The management information for linking and reproducing each title includes at least one of a link recording status, a link recording order, a link recording medium, and information for identifying a link recorded record. How to record data connection on media. delete The method of claim 1, Title information corresponding to the last title of the first recording medium includes a flag for indicating whether or not to be connected and the recording order, and a recording medium and a title number for associating the last title of the second recording medium. A data connection recording method of a multi-recording medium, characterized in that the recording. The method of claim 1, Title information corresponding to the last title of the second recording medium includes a flag for indicating whether or not to be connected and the recording order of the connection, and a recording medium and a title number for associating the last title of the first recording medium. A data connection recording method of a multi-recording medium, characterized in that the recording. The method of claim 1, The first recording medium and the second recording medium are optical discs or hard discs or video tapes, and the first recording medium and the second recording medium may be included or included in a composite image device in which the first image device and the second image device are integrated. How to record a data connection. The method of claim 1, And the management information for connecting and reproducing the respective titles is recorded in a free area (Reserved) in the video manager information management table (VMGI_MAT) defined in the DVD standard. A step of selecting and reproducing the title by searching and referring to title information corresponding to any one of the titles requested to be reproduced among the titles recorded on the first recording medium; When the title is to be reproduced, step 2 of checking whether connection is recorded by referring to management information recorded in the title information; And And as a result of the checking, when the recording is performed in connection with the second recording medium, the method comprises three steps of selecting and continuously playing back any one title recorded in the second recording medium. Way. The method of claim 8, In the second step, the reference information of the management information included in the title information is searched for and connected, whether or not the connection recording order, the connection recording medium, and information for identifying the connection-recorded title are searched and referenced. How to play data connection. The method of claim 9, And the information is searched and read in a free area (Reserved) in a video manager information management table (VMGI_MAT) defined in the DVD standard. The method of claim 9, In step 3, the title of the second recording medium connected and recorded with the title of the first recording medium is searched for by referring to whether the connection recording is performed, the connection recording order, the connection recording medium, and information for identifying the connection-recorded title. And reproducing and continuously playing the data connection of the multi-recording medium. The method of claim 8, The first recording medium and the second recording medium are optical discs or hard discs or video tapes, and the first recording medium and the second recording medium may be included or included in a composite image device in which the first image device and the second image device are integrated. How to play data connection.

Images