KR100710951B1 - Method for managing audio data and additional data on medium and reproducing method - Google Patents

Abstract

The present invention relates to a method for managing audio data and additional data of a recording medium, and a method for reproducing the same, and the like, audio data recorded on a recording medium such as a DVD, and still image data or text data associated with the audio data. By allowing additional data to be recorded and reproduced with correlation, recording and storing an audio song or the like desired by a user on a recording medium, and then additionally recording a plurality of still image data suitable for the atmosphere of the song, Alternatively, a plurality of text data corresponding to the lyrics of the song can be additionally recorded, as well as a plurality of additional still images and text data recorded in association with the audio being reproduced are reproduced and displayed at an appropriate time. It is a very useful invention that can maximize the audio listening effect.

Recording media, DVD RAM, additional data, still image, navigation information

Description

Method for managing audio data and additional data of recording medium and playback method according thereto {Method for managing audio data and additional data on medium and reproducing method}

1 illustrates a configuration of an optical disk apparatus to which audio data and additional data management methods of a recording medium according to the present invention are applied.

2 illustrates a structure of navigation data according to the present invention;

3 illustrates detailed management information of an original program information table of navigation data according to the present invention;

4 shows detailed management information of an audio file information table of navigation data according to the present invention;

FIG. 5 illustrates detailed management information of an additional video file information table of navigation data according to the present invention;

6 illustrates a process of recording and reproducing audio data and additional data of a recording medium according to the present invention.

※ Explanation of code for main part of drawing

10: optical pickup 20: analog signal processing unit

30: digital signal processor 40: audio / video processor

50: control unit M1 to M3: memory

The present invention provides a method of managing audio data and additional data of a recording medium which records and manages audio data recorded on a recording medium such as a DVD-RAM and additional data such as still image data or text data. The present invention relates to a regeneration method.

First, a recording medium capable of recording and storing high quality digital audio data, such as an optical disc such as a compact disc (CD), is the most widely used digital audio recording medium currently used. It is possible to record and store digital audio data permanently. Recently, Digital Versatile Disc (DVD), a large-capacity and high-density optical disc capable of recording and storing high-definition video data for a long time, has been developed and released. In the case of DVD, not only high-quality digital audio data but also high-definition video data can be recorded and stored, such as DVD-ROM for playback, DVD-R that can be written once, and DVD-RAM that can be rewritten. .

On the other hand, the recording medium, in particular DVD-RAM is a high-density optical disk that is currently undergoing specific standardization work, when a recording medium such as DVD-RAM is developed and released to the generalized, the user wants not only video data but also audio Data, still picture data, text data, and the like can be recorded, or data that has already been recorded can be deleted and edited. After recording and storing in a recording medium such as a RAM, it is possible to additionally record still image data suitable for the mood of the song, or additionally record text data corresponding to the lyrics of the song.

However, the audio data recorded on the recording medium as described above, i.e., the audio data and the additional data such as the still image data or the text data, which are additionally recorded, are recorded and reproduced with correlation. There is no additional data management method yet, and the management method is urgently required.

Accordingly, the present invention has been made to solve the above problems, and the audio data recorded on a recording medium such as a DVD and the additional data such as still image data or text data associated with the audio data are correlated with each other. SUMMARY OF THE INVENTION An object of the present invention is to provide a method for managing audio data and additional data of a recording medium that can be recorded and reproduced, and a reproduction method accordingly.

The audio data and additional data management method of the recording medium according to the present invention for achieving the above object, the additional data for the cooperative reproduction with the audio data recorded on the recording medium, in different groups according to the acquisition attribute Step 1 to distinguish; And generating and recording the groups classified according to the acquisition attributes and connection information for designating to cooperatively reproduce any additional data included in the group with respect to the recorded arbitrary audio data. Characterized in that made.

Hereinafter, preferred embodiments of a method of managing audio data and additional data of a recording medium and a reproduction method according to the present invention will be described in detail with reference to the accompanying drawings.

First, FIG. 1 illustrates a configuration of an optical disk apparatus to which audio data and an additional data management method of a recording medium according to the present invention are applied, and records or records a signal on a recording medium OD, such as a DVD. Optical pickup 10 for reading the; An analog signal processor 20 for filtering the read signal and outputting the filtered signal as a digital signal or analog signal processing with the data to record the input digital signal; A digital signal processor (30) for decoding the digital signal to signal the original digital data or to process the input signal into the digital data to be recorded; An audio / video processing unit 40 for processing the decoded output digital data into audio and video signals for reproduction and output or for processing the audio and video signals input from the outside into digital signals suitable for recording; A control unit (50) for controlling the operation of the constituent means in accordance with navigation data or user key input, which is reproduction control data for controlling the recording and reproducing operations of a signal; And a plurality of memories (M1, M2, M3) for temporarily storing data necessary for signal processing of the constituent means, wherein the navigation data for controlling the recording and reproducing operation of the signal is recorded or reproduced. When the operation is performed, the navigation data stored in the memory M1 so as to be provided as data and information necessary for the control operation of the controller 50, and updated by a new recording operation or a deletion editing operation, is recorded. It is finally recorded and stored in the management information recording area of the medium, for example, a lead-in area.

2 is a diagram illustrating the entire structure of navigation data used in audio data and additional data management method of a recording medium according to the present invention. The structure of the navigation data includes a management information table (RTR_AMGI) of audio data re-recorded in real time. Real Time Rewritable Audio Manager Information); An audio file information table (AFIT); An information table (AVFIT: Additional Video File Information Table) for additionally recorded additional video data files such as still images; Original original program chain information table (ORG_PGI: Original Program Chain Information); A user defined program chain information table (UD_PGCIT); A text data management information table (TXT_DT_MG: Text Data Manager); And seven information tables such as a manufacturer's information table (MNFIT).

In the original program chain information table ORG_PGI in the navigation data structure, as shown in FIG. 3, a plurality of original program chain search pointers (ORG_PGC_SA) for recording the start address of the original program chain information are recorded ( ORG_PGC_SRP # 1-# m); A plurality of original program chain information (ORG_PGCI # 1 to #n) in which cell information which is reproduction order information is recorded and recorded; And information about the original program information table (ORG_PGCTI) in which the number of the original program chain search pointer ORG_PGC_SRP (ORG_PGC_SRP_Ns) and the end address (ORG_PGCIT_EA) of the original program chain information table are recorded. The original program chain information ORG_PGCI includes: program chain general information PGCGI in which information C_Ns on the number of cell information is recorded; And a plurality of cell information CI # 1 to #k are recorded. The cell information CI includes cell type information C_TY; Audio cell information (A_CI: Audio Cell Inf.); And additional video cell information (AV_CI: Additional Video CI) is recorded, and in the audio cell information (A_CI), number information (AOB #) of a plurality of audio recording aggregates (AOBs) corresponding to respective cell information is included. ); Presentation start time information C_A_S_PTM of cell information corresponding to the presentation start time AOB_S_PTM of an audio record assembly corresponding to each cell information; AOB end presentation time (AOB_E_PTM) of the audio recording assembly corresponding to each cell information and presentation end time information (C_A_E_PTM) of cell information corresponding to each cell information are included.

On the other hand, in the audio file information table AFIT in the navigation data structure, as shown in Fig. 4, the number of audio file information (AFI_Ns), the number of stream information of the audio recording aggregate (AOB_STI_Ns) and the audio file information table Audio file information table information (AFITI: AFIT Information) in which an end address (AFIT_EA) is recorded; A plurality of audio recorder streams (AOB_ST #) in which audio attribute information (A_ATR) such as an audio coding mode or the like is recorded; The audio file information (AFI) includes audio file information (AFI). The audio file information (AFI) includes a type (AOB_TY) of the audio recording aggregate and the number of additional video entry search points (AV_ENT_SRP_Ns). Audio recording aggregate general information (AOB_GI); And a plurality of additional video group information search point number information (AVGI_SRPN #: Additional Video Group Information Search Point Number #) and additional video entry number information (AV_ENTN #: Additional Video Entry Number #).

Further, as shown in FIG. 5, the additional video file information table AVFIT in the navigation data structure includes the number of additional video file information AVFI_Ns, the number of additional video stream information AV_STI_Ns, and the additional video file. Additional video file information table information (AVFITI: AVFIT Information) in which an end address (AVFIT_EA) of the information table is recorded; A plurality of additional video recorder streams (AOB_ST #) in which additional video attribute information (AV_ATR) such as a video compression mode is recorded; Further, additional video file information (AVFI) is included. The additional video file information (AVFI) includes information on additional video file information in which the number of additional video group information search points (AVGI_SRP_Ns) is recorded. General information (AVFI_GI); A plurality of additional video group information search points (AVGI_SRP #) in which the start address AVGI_SA of the additional video group information is recorded, respectively; A plurality of additional video group information AVGI # is recorded, and the additional video group information AVGI # includes the number of additional video entries AV_ENT_Ns, the additional video stream information number AV_STIN, and the additional video group start address ( The additional video group general information AVG_GI recorded with ACG_SA and a plurality of additional video entries AV_ENT # are recorded.

Therefore, in the control unit 50 of the optical disc apparatus described above with reference to FIG. 1, audio data recorded and stored on the recording medium OD using the navigation data including the above management information, and the audio data. And additional data, that is, still image data or text data associated with each other, can be recorded and reproduced in association with each other. As shown in FIG. 6, additional image data, for example, still image data is added. In the case of recording, the recorded still image data is partitioned and recorded into an additional image data file composed of additional image data in a pack unit, and entry information for the partitioned additional image data file, that is, FIG. The type (AV_TY) and start position (AV_S) and the reproduction time information (AV_PB_TM) of the additional video, which have been described above with reference to FIG. The additional video entry information (AV_ENT #) is generated to record and manage the corresponding management information, and the additional video entry number (AV_ENT_Ns), the additional video stream information number (AV_STIN), and the additional video group start address (ACG_SA) are included. The additional video group general information (AVG_GI) to be recorded is updated and managed, and the additional video group includes additional video data collections corresponding to the same video data file and the same properties, such as still images. The additional video group, which is divided into AVOBs, is managed by the additional video group general information and the additional video group information AVGI # composed of a plurality of additional video entries.

Accordingly, a plurality of still images having the same attribute, that is, a plurality of additional image recording aggregates (AVOBs), are managed to be included in an additional image group partitioned according to the attribute, wherein the additional image group and the additional image group are managed. The management information for associating and correlating the entry information of the additional video recording assembly AVOB included in the video recording assembly with the specific audio recording assembly AOB is generated and recorded.

That is, the number of the additional video group AVGI in which the entry information of the additionally recorded still picture is recorded and managed is the additional video group search point in the audio file information table AFIT described above with reference to FIG. 4. The number of the additional video entry, which is cooperatively recorded by the number (AVGI_SRPN #) and partitioned into the additional video group, is cooperatively recorded by the additional video entry number (AV_ENTN #) in the audio file information table.

Therefore, the additional video recording aggregate (VOB) is partitioned into any one additional video group according to the attribute of the additional video, and the information about the additional video group and the additional video recording aggregate is the additional video file information table. Recorded and managed in association with (AVFIT) and Audio File Information Table (AFIT), respectively.

On the other hand, the audio recording assembly AOB recorded and managed by the audio file information table AFIT corresponds to the cell information CI in the original program chain information table ORG_PGCI described above with reference to FIG. 3. The audio recording set number information AOB # in the audio cell information A_CI recorded in the cell information, and the presentation start time information of the cell information corresponding to the presentation start time AOB_S_PTM of the audio recording set. (C_A_S_PTM) and record management by linking corresponding information about the audio recording assembly so that the presentation end time information (C_A_E_PTM) of the cell information corresponding to the presentation end time (AOB_E_PTM) of the audio recording assembly can be searched. Done.

Therefore, when the audio data recorded and stored on the recording medium is to be selectively played back, the controller 50 of the optical disc apparatus firstly selects and reproduces the audio data based on the program chain information PGI included in the original program chain information table ORG_PGCI. For example, as shown in FIG. 6, when the retrieved cell information is cell information # 1, the cell information CI corresponding to the first audio recording collection to be reproduced is recorded. The audio recording collective number AOB 1 is read and confirmed, and the audio data file corresponding to the audio recording assembly is reproduced and output from the presentation start time information C_A_S_PTM and the presentation end time information C_A_E_PTM. In the control unit 50 of the optical disk device, the first audio device recorded in the audio file information table AFIT is recorded. Aggregate is (AOB1) search for additional video entry number (AV_ENTN #) is added and the point number search image group (AVGI_SRPN #) the additional compartment to the image management group of the confirmation.

As a result of the check, when the additional video group search point number and the additional video entry number are " 1-1 ", " 1-2 " and " 2-1 " The first and second sub picture recording sets AVOB1 and AVOB2 and the second sub picture group AVOG2 in which an additional picture having an association with an audio data file, that is, a still picture is partitioned into the first sub picture group AVOG1. It is determined that the additional video data file corresponding to the first additional video recording assembly AVOB1 that is divided and managed.

Accordingly, the control unit 50 of the optical disk apparatus searches for the first additional video group information AVGI1 in the additional video file information table AVFIT described above with reference to FIG. 5 and adds the first additional video group information AVGI1. The first and second additional video entries AV_ENT1 and AV_ENT2 recorded in the video group information are checked, and the still images corresponding to the additional video recording sets AVOB1 and AVOB2 are reproduced and output. The second additional video group information AVGI2 is searched in the additional video file information table AVFIT, and the first additional video entry AV_ENT1 recorded in the second additional video group information is checked. In the same manner, the still image corresponding to the additional image recording assembly AVOB1 corresponding thereto is controlled to be reproduced and output.

Therefore, the still image corresponding to the first and second sub-picture recording sets AVOB1,2 in the first sub-picture group AVOG1, and the first sub-picture recording set in the second sub-picture group AVOG2. The still image corresponding to AVOB1) is reproduced and displayed at a predetermined time in association with the audio data outputted from the reproduction.

The audio data and additional data management method of the recording medium and the reproduction method according to the present invention made as described above include audio data recorded on a recording medium such as a DVD, and still image data or text data associated with the audio data. By allowing additional data such as the above to be recorded and reproduced with correlation, recording and storing an audio song desired by the user on a recording medium, and then additionally recording a plurality of still image data suitable for the atmosphere of the song. In addition, it is possible to additionally record a plurality of text data corresponding to the lyrics of the song, or to display and reproduce a plurality of still images and text data additionally recorded in association with the audio to be reproduced at an appropriate time. Is a very useful invention that can maximize the audio listening effect It is

Claims (11)

Dividing the additional data for cooperative reproduction with the audio data recorded on the recording medium into different groups according to an image compression scheme or an acquisition attribute indicating the resolution or type of the additional data; And An audio file information table for recording and managing the audio data so that the recorded audio data is cooperatively reproduced with a group classified according to the acquisition attribute, and any additional data included in the group; And an additional data file information table for recording and managing data, comprising two steps of generating and recording connection information, respectively. The method of claim 1, And the additional data is still image data or text data. delete delete The method of claim 1, The additional data file information table includes a plurality of additional data group information generated corresponding to the group and a plurality of additional data entry information generated corresponding to the additional data recorded in the group as the connection information. Audio data and additional data management method of a recording medium. The method of claim 5, The audio file information table includes additional data group information search point numbers for designating the additional video group information and additional data entry numbers for designating the additional data entry information as connection information. Audio data and additional data management method. A data management method of a recording medium on which a plurality of additional data groups each including audio data recorded in a predetermined unit and at least one additional data recorded in a predetermined unit for cooperative reproduction with the audio data are recorded. Providing a first management information table in which the additional data group and connection information connecting the additional data in the group are recorded; Providing a second management information table in which connection information for connecting the audio data and the additional data is recorded using the connection information of the first management information table; And And updating the connection information of the second management information table if the connection of the audio data and the additional data is changed. Receiving a request for cooperative reproduction of audio data recorded on the recording medium and additional data additionally recorded in the audio data; Retrieving connection information recorded in an audio file information table for recording and managing the audio data and an additional data file information table for recording and managing the additional data; And And reproducing the audio data and the additional data respectively designated by the connection information in association with each other. The method of claim 8, And the additional data is still image data or text data. The method of claim 8, The additional data file information table includes a plurality of additional data group information generated corresponding to the group and a plurality of additional data entry information generated corresponding to the additional data recorded in the group as the connection information. A method of reproducing audio data and additional data of a recording medium. The method of claim 10, The audio file information table includes additional data group information search point numbers for designating the additional video group information and additional data entry numbers for designating the additional data entry information as connection information. Audio data and additional data reproduction method.

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