KR100608027B1 - Method for recording/reproducing data in multi format and apparatus thereof, and storage medium for storing multi format data - Google Patents

Abstract

Disclosed are a recording and reproducing apparatus capable of recording and / or reproducing in a multi-format, and a storage medium thereof. The present invention includes selecting a data format to be recorded on the recording medium, and adding data information related to the format each time data is recorded in the selected format.

Description

Method and recording / reproducing data in multi format and apparatus, and storage medium for storing multi format data}

1 is a block diagram showing an optical disk recording / reproducing apparatus according to the present invention.

2 is an overall data structure of a recording medium recorded in a multi-format according to the present invention.

3 to 6 show one embodiment of a conventional recording medium structure to which the present invention is applied.

7 is a flowchart showing a multi-format recording method according to the present invention.

8A is a file system applying the existing DVD format.

8B is a file system to which the multi-format according to the present invention is applied.

9 is a flowchart illustrating a multi-format reproduction method according to the present invention.

The present invention relates to a recording / reproducing system and a storage medium thereof, and more particularly to a recording and reproducing apparatus capable of recording and / or reproducing in a multi-format, and a storage medium thereof.

In general, an optical disc recording and reproducing apparatus transfers a pickup in a recording mode to record a video / audio signal on a disc, and restores and reproduces the original video / audio signal in a reproducing mode. The recording medium applied to the optical disc recording and reproducing apparatus has been developed into various types of rewritable discs such as CD-RW, DVD-RW, DVD-RAM, and the like.

Conventionally, when recording video and audio data on such a recording medium, a DVD-RW disc should be recorded by the DVD-Video format and a DVD-RAM disc should be recorded by the DVD-VR format.

Therefore, since the conventional optical disc recording apparatus can be reproduced or additionally recorded only by recording in a recording format suitable for the disc, in order to record in another recording format, it is inconvenient to have a recording medium suitable for the format. For example, when an optical disc recording device records a movie on a CD-RW disc, there is a problem that all data cannot be recorded due to the limitation of the disc capacity.

An object of the present invention is to provide a disc recording method for recording video and audio data on a recording medium including a multi-format area.

Another object of the present invention is to provide a disc reproducing method for reproducing video and audio data recorded on a recording medium including a multi-format area.

Another object of the present invention is to provide a disc recording and / or reproducing method for recording and reproducing video and audio data on a recording medium including a multi-format area.

Another object of the present invention is to provide a disc recording and / or reproducing apparatus for recording and reproducing video and audio data on a recording medium including a multi-format area.

Another object of the present invention is to provide a recording medium including a multi-format area.

In order to solve the above technical problem, the recording method for recording data on the recording medium of the present invention,

Selecting a data format to be recorded on the recording medium;

Whenever data is recorded in the format selected in the above step, adding data information related to the format:

The process includes recording data corresponding to each format and generating file information corresponding to each format.

In order to solve the above other technical problem, an optical disk reproducing method for reproducing a recording medium divided into an information area and a data area in which recorded data information of the present invention is stored in a multi-format,

Determining the type of the recording medium and reading an information area;

And playing the data in the corresponding format with reference to the data information stored in the read information area.

In order to solve the above another technical problem, a method of recording and / or reproducing data on a recording medium of the present invention,

Selecting a data format to be recorded on the recording medium in a recording mode to record data, and recording the data information each time recording of the format is finished;

Reading out the recorded data information in the reproducing mode, and reproducing the data based on the read data information.

In order to solve the above further technical problem, in the optical disc recording and / or reproducing apparatus for recording and reproducing data on a recording medium divided into an information area and a data area of the present invention,

A recording medium divided into an information area and a data area;

Whenever data format information is input at the time of recording, data corresponding to the format is recorded on the recording medium, the data related information is recorded every time recording on the format is completed, and at the information area of the recording medium at the time of reproduction. And a controller for reproducing the video / audio data according to the recorded data related information.

In order to solve the above another technical problem, in the recording medium of the present invention,

A data recording area;

Each time data is recorded in a selected format in the data recording area, an information area for adding data information related thereto is included.

In order to solve the above another technical problem, in the recording medium of the present invention,

A data recording area;

A first information area for adding data information associated therewith whenever data is recorded in a selected format in the data recording area;

And a second information area for storing a file system generated by finalizing the data information recorded in the first information area.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a block diagram showing an optical disk recording / reproducing apparatus according to the present invention.

The operation of the optical disc recording / reproducing apparatus shown in FIG. 1 is divided into a recording mode and a reproduction mode as follows.

In the recording mode, the AV codec (Audio / Video Codec) 128 compresses and encodes audio and video data input from the outside into predetermined units by a predetermined compression encoding scheme, Provides size and playback time information.

The digital signal processor (DSP) unit 122 adds additional data for error correction code (ECC) to the data coded by the AV codec unit 128 and modulates the data by a predetermined modulation system.

The RF amplifier 116 amplifies the electrical data input from the DSP unit 122 and converts it into an optical signal. The pickup section 114 incorporates an actuator for focusing and tracking, and records the optical signal converted by the RF amplifier 116 on the disc 112.

The servo unit 118 receives the information necessary for servo control from the DSP unit 122 through the RF amplifier 116 and the system controller 124 to perform stable servo.

The system controller 124 controls the entire system and the disk via the DSP unit 504, the RF amplifier 506, and the pickup unit 508 whenever the user inputs desired data format information through the key input unit 126. In step 509, data corresponding to the format is recorded, and the data attribute information is recorded each time recording of the format is completed. In addition, the system controller 124 records all data corresponding to each format, and then generates file information corresponding to each format.

On the other hand, in the reproduction mode, the pickup section 114 reads out the optical signal from the disk storing the data.

The RF amplifier 116 converts the optical signal output from the pickup unit 114 into an electrical signal, and extracts a servo signal and modulated data for performing servo.

The DSP unit 122 demodulates the data modulated by the RF amplifier 116 and performs ECC to remove the additional data while correcting an error. The servo unit 118 receives information necessary for servo control from the RF amplifier 116 and the system controller 124 to perform stable servo.

The AV codec unit 128 decodes the audio and video data compression-coded by the DSP unit 122.

The system controller 124 controls the pickup unit 114, the RF amplifier 116, the DSP unit 122, and the AV codec unit 128 according to a command input by the user through the key input unit 126. With reference to the data attribute information recorded in the information area of the disc 112, it controls to reproduce the video / audio data accordingly. In addition, when the system controller 124 determines that the finalized disk is read, the system controller 124 reads a file system and selects a directory corresponding to each format.

2 is an overall data structure of a recording medium recorded in a multi-format according to the present invention.

Referring to FIG. 2, encoded video and audio data may be stored in one recording medium such as DVD-RW, DVD-RAM, or the like, such as DVD, MP3, VCD, MPEG4, DVD, MPEG4, VR (video recording), MP3, VR, or the like. It is recorded in a multi-format.

3 to 6 show one embodiment of a structure of a recording medium according to the present invention.

3 to 6, a general disc as shown in FIG. 3 is divided into an information area and a data recording area based on a track start point. At this time, the information area is set before or after the data of the format selected by the user is recorded.

This information area can also be applied in various ways depending on the type of disc. For example, an information area is separately allocated to a PMA (Program Memory Area) in the case of a CD-R / RW disc defined in the format as shown in FIG. 4, and an RMA (in case of a DVD-R / RW disc defined in the format as shown in FIG. 5). An information area is allocated to a Recording Management Area or a Lead-in or Lead-out Area, and in the case of a DVD-RW or DVD-RAM disc defined in the format shown in FIG. Since no RMA area exists, data information is recorded in the lead-in or lead-out area. In another embodiment, in the case of a DVD-R / RW or a DVD-RW or DVD-RAM disc, an information area may be set immediately before or after the data of the selected format is recorded.

Therefore, in the recording medium as shown in FIGS. 3 to 6, the attributes of the recorded data are recorded every time the data is recorded in the format selected by the user (for example, DVD-RAM, DVD-R / RW) in the data recording area. DVD-RAM, DVD-R / RW), data size, video, audio, subpicture, and the like are recorded.

7 is a flowchart showing a multi-format recording method according to the present invention.

First, when a disk is inserted, the disk is detected through the disk detection sensor (step 710).

Subsequently, if the disc is inserted, the read-in information is read to check the disc type (eg, DVD-RW, DVD-RAM, etc.) (step 720).

Next, the existence of the file system is checked to check whether the file is a finalized disk (step 722). The process of recording the title on the storage medium and then recording the recorded title-related information is referred to as "finalize". At this time, if the disc has been finalized, recording ends.

Subsequently, the user selects a recording format in a form desired by the user interface (S730). For example, the user can select a recording format such as MPEG2, MPEG4, MP3, AC3, LPCM.

Subsequently, video and audio data is recorded in the data area of the disc in the recording format selected by the user (step 740).

Subsequently, when recording of data of one title or a selected format is completed (step 742), the format of the currently recorded data is recorded in the information area (step 750). Here, the data information is recorded in the information area set immediately after or before the data is recorded. In another embodiment, the data information is recorded in the information area set in the PMA in the case of a CD-R / RW disc as shown in FIG. 4, and the RMA or lead-in or lead-out area in the case of a DVD-R / RW disc as shown in FIG. In the DVD-RW or DVD-RAM disc as shown in FIG. 6, since the PMA or RMA area does not exist separately, it is recorded in the information area set in the lead-in or lead-out area. The information of the data to be recorded in the information area may be a data recording and start address, a format, MPEG1, MPEG2, AC3, audio, video, subpicture, and the like.

Then, it is checked whether the user further records data through the user interface (step 752). In this case, if additional recording is selected, a format to be recorded again is selected, and then processes 740 to 750 are repeated.

Therefore, when the user records data in multiple formats, the data is recorded in a single format on a single disc such as DVD, MP3, VCD, MPEG4, DVD, MPEG4, VR, MP3, and VR.

Finally, after all data is written to the disk, if a file system creation command is received from the user interface (step 760), finalization is performed to generate a file system (step 770). This finalization process creates a file system for the format recorded on the recording medium using the recorded data information. This file system is used as title search information for data corresponding to each format.

For example, as shown in FIG. 2, data having various formats are recorded on one disc. At this time, the system coater constitutes a directory corresponding to the formats of DVD, VCD, MP3, MPEG4, and VR recorded on the disk of FIG. That is, as shown in Fig. 8B, the directory structure related to the formats of MP3, VCD, MPEG4, and VR is added to the directory structure related to the existing DVD. In each main directory, a subdirectory corresponding to a title of each format is formed.

Accordingly, in the case of the existing DVD disc, as shown in FIG. 8A, only the directory structure to which the DVD format is applied is configured. Conventionally, when a data having a format other than a DVD disc is recorded by the file structure, it cannot be recognized by a playback device.

In the present invention, data having various formats can be reproduced according to the directory structure configured as shown in FIG. 8B. If data is additionally recorded on the disk in a format other than the recording format shown in Fig. 2, one more directory related to the format is created.

In addition, the file system is recorded in a predetermined area before data is recorded.

9 is a flowchart illustrating a multi-format reproduction method according to the present invention.

First, when a disk is inserted, the disk is detected through the disk detection sensor (step 910).

Subsequently, if the disc is inserted, the read-in information is read out to check the disc type (eg, DVD-RW, DVD-RAM, etc.) (step 920).

Next, the existence of the file system is checked to check whether the file is a finalized disk (step 930). At this time, if the disc is not finalized, data information recorded in the information area is read (step 950).

In addition, if it is confirmed as a finalized disk, the file system is read, the root directory is analyzed, and the analyzed directory is selected (step 940).

Subsequently, the corresponding directory is selected or the data information is read through the file system, and the read data information, for example, data format, video, audio, and the like, is referred to until the end of playback button is pressed. Playback (step 930).

Subsequently, when the playback end button is pressed, data playback ends.

The present invention is not limited to the above-described embodiment, and of course, modifications may be made by those skilled in the art within the spirit of the present invention. That is, the present invention can be applied not only to the above-described CD and DVD series recording media but also to high density recording media such as HD-DVD.

As described above, according to the present invention, it is possible to record in multiple formats by user selection on one recording medium such as CD-R / W, DVD-R / W, DVD-RAM, or the like. In addition, the user can play back any desired recordable media in any format. In addition, in the case of a DVD recording medium, a long time data can be recorded in a CD series format.

Claims (19)

An optical disc recording method for recording multi-format data onto one rewritable optical disc, Reading the lead-in information when the disc is inserted to check the disc type; Checking whether the file is a finalized disk by checking the existence of a file system after the above process; If the disc is finalized in the process, recording is terminated; otherwise, selecting a data format of a desired type on the recording medium through a user interface; Recording data in the data area of the disc in the recording format selected in the above step; And recording the format of the recorded data in an information area each time recording of the data of the selected format is completed. The disk recording method as claimed in claim 1, wherein the data information is data attribute information recorded in a predetermined format. The recording method according to claim 1, wherein the data information is recorded after or before data is recorded. The recording method as claimed in claim 1, wherein the recording format information is recorded in a lead-in or lead-out area of a disc, a program memory area (PMA), or a recording management area (RMA). The recording method as claimed in claim 1, wherein the format information recorded in the information area is a data recording and start address, and a format. The recording method as claimed in claim 1, wherein the data format selection process is selected by a user. The recording method as claimed in claim 1, wherein the file system forms a main directory corresponding to a format, and forms a subdirectory corresponding to a title of each format in each main directory. The recording medium recording method according to claim 1, wherein the file information of the file system creates a directory according to each format by referring to the data information according to each format. A rewritable optical disc reproduction method for reproducing a disc recorded in a multi-format divided into an information area and a data area in which recorded data information is stored, Checking the presence or absence of a disc by the disc detection sensor when the disc is inserted; Reading the lead-in information to determine the disc type and reading the information area if the disc exists; Checking the existence of the file system and checking whether the file is a finalized disk; Reading data information recorded in the information area unless the disc is finalized in the above process; Playing data in a corresponding format by referring to data information stored in the read information area; If the recording medium is recognized as a finalized disk, reading a file system, analyzing a root directory, and selecting the analyzed directory; Selecting a corresponding directory or reading data information through the file system, and reproducing data of the corresponding data area with reference to the read data information. delete delete delete delete delete delete delete delete delete delete

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