KR100711336B1 - 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, sequentially listing the entry information of the additional data to be recorded additionally for the cooperative reproduction of the audio data recorded on the recording medium. Stage 1; And generating and recording connection information for designating the sequentially listed entry information.

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 recording assembly corresponding to each cell information; AOB end presentation time (AOB_E_PTM) 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 entry number information (AV_ENTN #: Additional Video Entry Number #) and the like.

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 general information about the additional video file information in which the number of additional video entries (AV_ENT_Ns) is recorded. AVFI_GI) and a plurality of additional video entry information (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. Additional video entry information (AV_ENT #) is generated to record and manage the corresponding management information, and general information (AVFI_GI) for the additional video file information in which the number of additional video entries (AV_ENT_Ns) is recorded, and additional video entry information ( AV_ENT #) is generated and updated, so that a plurality of additional video entries are managed in the form of a video object list (VOST). At this time, the entry information of the additional video recording assembly (AVOB) is recorded in a specific audio record. Management information for cooperative correspondence with the aggregate AOB is generated and recorded.

That is, since the entry information of the additionally recorded still picture is recorded in association with the additional picture entry number AV_ENTN # in the audio file information table AFIT described above with reference to FIG. The collective VOB is managed as an additional video list together with information indicating the attribute of the additional video, and information about each additional video recording aggregate included in the additional video list is the additional video file information table AVFIT. And the audio file information table AFIT are recorded and managed in association with each other.

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 AOB1 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 controller 50 of the device, the first audio device recorded in the audio file information table AFIT is recorded. An additional video entry number (AV_ENTN #) in the aggregate (AOB1) will make the search.

As a result of the confirmation, when the additional video entry number is "1", "2" and "4" as shown in Fig. 6, the additional video, i.e., still image, having a correlation with the audio data file to be reproduced and output, It is determined that the additional video data file corresponds to the first additional video record set AVOB1, the second additional video record set AVOB2, and the fourth additional video record set AVOB4.

Accordingly, the control unit 50 of the optical disc device includes the first, second and fourth additional video entries AV_ENT1, AV_ENT2, AV_ENT4 in the additional video file information table AVFIT described above with reference to FIG. ), And control so that the still image corresponding to the additional video recording aggregates AVOB1, AVOB2, and AVOB4 corresponding thereto is reproduced and output.

Therefore, the still image corresponding to the first, second and fourth additional image recording assemblies AVOB1, AVOB2, and AVOB4 in the additional video list VODT is associated with the audio data outputted and reproduced at a predetermined time. Play is displayed.

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 (9)

A step of sequentially listing entry information of additional data to be additionally recorded for cooperative reproduction with audio data recorded on the recording medium; And And generating an entry number of additional data for designating entry information of the sequentially listed additional data as connection information and recording the audio data in an audio data file information table for recording and managing the audio data. Audio data and additional data management method of a recording medium. The method of claim 1, And the additional data is still image data or text data. delete The method of claim 1, The additional data file information table records and manages a plurality of additional data entry information in which a start address of an additional data entry, a type of additional data, start information of additional data, and additional data reproduction time information are recorded. Audio data and additional data management method. The method of claim 4, wherein In the audio file information table, a plurality of additional data entry numbers for respectively designating a plurality of additional data entry information included in the additional data file information table are recorded and managed as connection information. And additional data management method. Receiving a request for cooperative reproduction of audio data recorded on the recording medium and additional data additionally recorded in the audio data; An entry number of additional data recorded in the audio file information table for recording and managing the audio data and additional data entry information recorded in the additional data file information table for recording and managing the additional data are respectively retrieved as connection information. Step 2; 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 6, And the additional data is still image data or text data. The method of claim 6, The additional data file information table records and manages a plurality of additional data entry information in which a start address of an additional data entry, a type of additional data, start information of additional data, and additional data reproduction time information are recorded. Audio data and additional data playback method. The method of claim 8, In the audio file information table, a plurality of additional data entry numbers for respectively designating a plurality of additional data entry information included in the additional data file information table are recorded and managed as connection information. And additional data reproduction method.

Images