KR100403584B1 - Recording medium containing main contents and additional contents, recording apparatus, recording method, reproducing apparatus, and reproducing method therefor - Google Patents

Abstract

The present invention relates to a recording medium including additional content and main content, a recording device, a recording method thereof, a reproduction device, and a reproduction method thereof.

According to an aspect of the present invention, there is provided a recording medium comprising: a main content having a bitstream embedded with link information including play information necessary for playing at least one related additional content and guide information for displaying the selected additional content; And additional content formed as a bitstream separate from the main content. Accordingly, the user can selectively view related content while viewing the main content.

Description

Recording medium, recording apparatus, recording method, reproducing apparatus, and reproducing method including additional content and main content {recording medium containing main contents and additional contents, recording apparatus, recording method, reproducing apparatus, and reproducing method therefor}

The present invention relates to a method for defining an additional content linked to the main content, and more particularly, a recording medium including separately recorded additional content and main content, a recording device, a recording method thereof, a playback device, and reproduction thereof. It is about a method.

An A / V (Audio / Video) recording medium and its recording / reproducing apparatus recorded by an analog method such as a magnetic tape can be accessed sequentially but cannot be randomly accessed due to the characteristics of the recording medium. Accordingly, the user has no choice but to linearly view the contents.

Recently, however, digital recording media capable of recording A / V content as digital data and allowing random access to the recorded data have been widely used. Based on this, various contents recording methods and contents access methods that can satisfy various needs of users are desired.

Accordingly, it is an object of the present invention to provide a recording medium, a recording apparatus, a recording method, a reproducing apparatus, and a reproducing method, which are recorded so that a user can selectively view other related contents while viewing one content.

1 is a reference diagram for explaining contents recorded on an optical disc according to a preferred embodiment of the present invention;

2 is a reference diagram for explaining a link information pack according to a preferred embodiment of the present invention;

3A and 3B are reference diagrams for explaining a situation in which linked additional content may be played while playing main content according to the present invention;

4 is a block diagram of a recording apparatus according to a preferred embodiment of the present invention;

5 is a block diagram of a playback apparatus according to a preferred embodiment of the present invention;

6 is a flowchart for explaining a recording method according to a preferred embodiment of the present invention;

7 is a flowchart illustrating a reproducing method according to a preferred embodiment of the present invention;

FIG. 8 is a flowchart for explaining the playback method of FIG. 7 in more detail.

* Explanation of symbols for the main parts of the drawings

41: recording controller 42: multiplexer

45: recording unit 51: playback control unit

55: reader

According to an aspect of the present invention, there is provided an apparatus, comprising: main content formed of a bitstream embedded with link information including play information necessary for playing at least one related additional content and guide information to be displayed for selection of the additional content; And additional content formed in a bitstream separate from the main content.

The link information includes the position at which the additional content is recorded, the data size of the additional content, and the playback time information as the playback information, and includes the name of the additional content as the guide information, and the playback time information includes: It may include a pop-up start time at which a pop-up icon indicating that additional content is present and a pop-up end time at which the pop-up icon disappears.

The link information may further include a type of the additional content as the guide information, and further include a reproduction duration of the additional content as the reproduction information.

Meanwhile, according to another aspect of the present invention, the above object is (a) a bit embedded with link information including play information necessary for playing at least one related additional content and guide information to be displayed for selection of the additional content. Recording the main content formed into a stream; And (b) recording the additional content formed in a bitstream separate from the main content in an area separate from the area in which the main content is recorded.

Step (a) may include: (a1) generating link information including the play information and the guide information; And (a2) multiplexing the generated link information to be embedded at a predetermined position of the main content.

The link information includes a position at which the additional content is recorded as the reproduction information, a data size of the additional content, and reproduction time information, and includes a name of the additional content as the guide information, and the reproduction time information includes: It may preferably include a pop-up start time at which a pop-up icon indicating that the additional content exists and a pop-up end time at which the pop-up icon disappears.

The link information may further include a type of the additional content as the guide information, and further include a reproduction duration of the additional content as the reproduction information.

On the other hand, according to another field of the present invention, the above object is, in a recording apparatus for recording data on a recording medium, the display information for displaying at least one additional content associated with the reproduction information required for selection and the selection of the additional content is displayed. A recording controller for generating link information including guide information for the recording information; A multiplexer for multiplexing link information generated by the recording controller with main content; And a recording unit for recording the main content multiplexed with the link information by the multiplexer, and recording the additional content formed in a bitstream separate from the main content into an area separate from the area in which the main content is recorded. It is also achieved by a recording apparatus characterized by the above-mentioned.

Preferably, the link information includes the position at which the additional content is recorded, the data size of the additional content, and the reproduction time information as the reproduction information, and includes the name of the additional content as the guide information.

On the other hand, according to another field of the present invention, the above object is (a) embedded in the link information including the reproduction information necessary for playing at least one additional content associated with the guide information to be displayed for selection of the additional content is embedded; Reading and playing back main content;

(b) displaying the guide information; And (c) if any one of the additional contents is selected, reproducing the selected additional contents from a region separate from an area in which the main content is recorded based on the playback information. Is also achieved.

Step (c) may include: (c1) stopping playback of the main content; (c2) playing the selected additional content; And (c3) restarting playback of the main content when playback of the selected additional content ends.

Step (c1) may include: (c11) reproducing a name of the additional content included in the guide information; And (c12) receiving selection information of additional content, and in step (c11), the type of the additional content included in the guide information is displayed together with the name of the additional content.

In step (c2), the additional content included in the reproduction information is read with reference to a location where the additional content is recorded, and the additional content is referred to with reference to the data size of the additional content included in the reproduction information and the reproduction time information. It is more preferred to include the step of regenerating.

On the other hand, according to another field of the present invention, the above object is a device for reproducing data from a recording medium, the reproduction information necessary for reproducing at least one associated additional content and the guidance for displaying for selection of the additional content A reading unit that reads link information including information, and reads the selected additional content from an area separate from an area in which the main content is recorded; And play the main content read by the reading unit, interpret the link information to display the guide information, and when the additional content is selected, extract the play information of the selected additional content from the link information to read the read content. It is also achieved by a playback apparatus characterized in that it comprises a playback control unit provided as a unit, and which allows additional content read by the reading unit to be played back.

The playback apparatus further includes a display unit for displaying the main content, the guide information, and the additional content provided from the playback control unit.

The display controller may cause the display unit to stop displaying the main content when the selection information on the additional content is input, to display the selected additional content, and to display the main content again when the display of the selected additional content ends. desirable.

More preferably, the playback control unit controls the guide information to be displayed in a pop-up window on the display unit.

The link information further includes a name of the additional content and a type of the additional content as the guide information, and includes, as the reproduction information, a position at which the additional content is recorded, a data size of the additional content, and playback time information. The play time information may effectively include a pop-up start time at which a pop-up icon indicating that the additional content exists and a pop-up end time at which the pop-up icon disappears.

It is particularly effective that the pop-up icon is provided and displayed by the playback controller.

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

1 is a reference diagram for explaining contents recorded on an optical disc according to a preferred embodiment of the present invention.

Referring to FIG. 1, main contents # 1, # 2, ..., #N are recorded on an optical disk which is a recording medium according to the present embodiment, and additional contents # 1, # 2, ..., #M associated with the main content are recorded. Is recorded. The additional content is content that is provided to be related to the corresponding main content, respectively, and includes video, graphics, text, or A / V data. The main content and the additional content are each formed as separate bitstreams and recorded in separate areas. However, in the bitstream constituting the main content, link information packs necessary for reproducing additional content related to specific content of the main content are embedded. It is. The link information includes playback information necessary for playing at least one related additional content and guide information for being displayed so that a user can select the additional content.

The relationship between the main content and the additional content will be described in more detail as follows. For example, if the main content is a movie and the character in the movie is drinking a drink of brand B in a resort called A, the related content includes an advertisement clip introducing resort A and traffic to resort A. It may be guide information, travel product information going to resort A, advertisement clips for beverages of brand B, and the like.

2 is a reference diagram for explaining a link information pack according to a preferred embodiment of the present invention.

As shown in Fig. 2, the predetermined main content #n (1 ≦ n ≦ N, n is an integer) of Fig. 1 is recorded in the optical disc according to the present embodiment as an A / V bitstream. Here, V indicates a video data pack, A indicates an audio data pack, and L indicates a link information pack embedded in the main content #n. The video data pack contains only video data, and the audio data pack contains only audio data. More specifically, the video data pack contains picture data constituting the main content, and the audio data pack contains sound data constituting the main content.

The link information pack contains guide information and playback information necessary for playing additional content. The guide information for the corresponding additional content includes a name of the additional content (ContentName), a type of the additional content (Content Type), and the playback information for the corresponding additional content includes a recording location of the additional content and a location of the additional content. Data size, and playback time information regarding additional content. The playback time information includes a playback time of the additional content, a popup start time, and a popup end time. The popup start time and the popup end time mean a time point at which the popup icon indicating that the corresponding additional content exists exists or starts popping up. The popup icon will be described later. On the other hand, the content type (Content Type) and the playback time (Playback Time) can be omitted as necessary.

3A and 3B are reference diagrams for describing a situation in which linked additional content may be played while playing main content according to the present invention.

Referring to FIG. 3A, a main content is reproduced and displayed by the playback apparatus, and a popup icon 3 indicating that there is an associated additional content is displayed on the upper right side of the playback screen. The popup icon 3 is supported by the playback apparatus. More specifically, the playback control unit 51 of the playback device displays the popup icon 3 and then disappears. Information indicating when the popup icon 3 is displayed and then disappears is the popup start time and the popup end time. When the popup icon 3 is selected by the user, a popup window is displayed as shown in FIG. 3B. The pop-up window displays the guide information included in the link information pack. More specifically, according to the present embodiment, a list of additional contents related to the playback screen is displayed.

On the other hand, the pop-up icon 3 may be recorded in the corresponding main content, included in the link information pack, or recorded in front of the corresponding additional content.

Referring to FIG. 3B, the pop-up window displays Commercials 5 and Bonus Clips 6 as additional content types, and names Asiana Airlines, travel agency, Boeing 747 as additional content names, and Gimpo Airport Information is displayed. When any one of these additional contents is selected, the playback apparatus finds the recording position of the additional contents by referring to the recording location of the additional contents and refers to the area where the additional contents are recorded by referring to the size of the additional contents. Play the additional content by referring to the Playback Time.

4 is a block diagram of a recording apparatus according to a preferred embodiment of the present invention.

Referring to Fig. 4, the recording apparatus includes a recording control unit 41, a multiplexer 42, and a recording unit 45. The recording controller 41 generates a link information pack including information necessary for playing the additional content related to the main content, and controls the recording unit 45 and the multiplexer 42. The multiplexer 42 receives the link information pack from the recording controller 41 and multiplexes it to be embedded at a predetermined position of the main content input from the outside. The recording unit 45 records the multiplexed bitstream on the optical disc 400 under the control of the recording controller 41, and receives the additional content formed as a bitstream separate from the bitstream constituting the main content, and the main content is input. Record in a separate area from the recorded area.

5 is a block diagram of a playback apparatus according to a preferred embodiment of the present invention.

Referring to FIG. 5, the playback apparatus includes a playback controller 51 and a reader 55.

The reading unit 55 reads main content embedded with a link information pack necessary to reproduce at least one related additional content, and reads the selected additional content from an area separate from the area in which the main content is recorded. The playback control unit 51 causes the main content read by the reading unit 55 to be played back, and interprets the read link information pack to provide information necessary for selecting additional content, the pop-up icon 3 according to the present embodiment, and When the additional content is selected by the user, a pop-up window is displayed, and information for reading the selected additional content is extracted from the link information pack and provided to the reader 55, and the reader read by the reader 55. Allow the content to play. More specifically, the playback controller 51 stops the playback of the main content and plays the selected additional content when the selection information on the additional content is input, and starts playing the main content again when the selected additional content ends.

The playback controller 51 may include a decoder (not shown). The decoder decodes and outputs the bitstream read by the reader 55 when it is encoded according to a predetermined encoding scheme (A). If the bitstream is recorded without being encoded, the bitstream is immediately output without going through the decoding process (B). Here, encoding and decoding means compression and decompression of the sampled and quantized digital data.

Furthermore, the playback apparatus may further include a display unit (not shown) for displaying the main content or the additional content bitstream provided from the playback control unit 51 or the reading unit 55. At this time, the signals A and B output from the reproduction control unit 51 or the reading unit 55 are divided into video signals and audio signals and transmitted to the monitor and the speaker provided in the display unit, respectively. On the other hand, the monitor and / or speaker is not included in the playback device may be implemented separately.

The recording method and the reproduction method according to the preferred embodiment of the present invention according to the configuration as described above are as follows.

6 is a flowchart for explaining a recording method according to a preferred embodiment of the present invention.

The recording apparatus records the main content formed into a bitstream in which the link information pack necessary for playing the associated additional content is embedded, and the additional content formed into a bitstream separate from the main content in an area separate from the area in which the main content is recorded. Record it.

Referring to FIG. 6, the recording controller 41 of the recording apparatus generates a link information pack including information for reproducing related additional content (step 601).

The multiplexer 42 multiplexes the generated link information pack to be embedded at a predetermined position of the main content (step 602).

The recording unit 45 records the main content in which the link information pack is embedded in the optical disk 400 (step 603). Next, the recording unit 45 records the additional content formed separately from the main content in an area separate from the area where the main content is recorded (step 604).

7 is a flowchart for explaining a playback method according to a preferred embodiment of the present invention.

Referring to FIG. 7, the playback apparatus reads out and plays back main content recorded on the optical disk 500 (step 701). If the link information pack is embedded during the playback of the main content, the guide information is displayed through the pop-up icon 3 and the pop-up window as described above (step 702). When the selection information on the additional content input from the user is received (step 703), the playback apparatus stops playback of the main content (step 704), and the area in which the main content is recorded by referring to the playback information recorded in the link information pack. The additional content is read and reproduced from an area separate from the step S705. At this time, the playback apparatus stores the position where playback is stopped in the main content to restart playback of the main content. When playback of the selected additional content ends (step 706), the playback apparatus starts playback from the position where playback stopped in step 703 (step 707).

FIG. 8 is a flowchart for explaining the playback method of FIG. 7 in more detail.

Referring to FIG. 8, the playback apparatus reads out and reproduces main content recorded on the optical disk 500 (step 801). If the link information pack is embedded during the playback of the main content, the pop-up icon 3 is displayed as shown in FIG. 3A with reference to the pop-up start time as link information included in the link information pack (step 802). If the popup icon 3 is not selected by the popup end time (step 803), the playback apparatus causes the popup icon 3 to disappear (step 804).

When the pop-up icon 3 is selected by the user (step 803), the playback apparatus displays a pop-up window describing the name of the additional content and the type of the additional content as shown in FIG. 3B (step 805). Similarly, if the additional content is not selected through the pop-up window until the pop-up end time (step 806), the playback apparatus causes the pop-up icon 3 to disappear (step 807).

If the additional content is selected through the pop-up window (step 806), the playback device stops playing the main content (step 808). Similarly, the playback apparatus stores a position where playback is stopped in the main content to restart playback of the main content. Next, the additional content is read with reference to the location where the additional content is recorded (step 809), and the additional content is reproduced based on the playback duration of the additional content (step 810).

When playback of the selected additional content ends (step 811), the playback apparatus restarts playback of the main content (step 812).

As described above, according to the present invention, there is provided a recording medium, a recording apparatus, a recording method, a reproducing apparatus, and a reproducing method that enable a user to selectively view related contents while viewing the main content. In particular, the pop-up icon and the pop-up window for selecting additional content are displayed on a part of the playback screen of the main content and disappear if they are not selected by the user until a certain time elapses. You can select and enjoy the content.

Claims (27)

A link information pack including link information including playback information necessary for playing at least one related additional content and guide information for displaying the selected additional content is multiplexed with at least one of an audio pack and a video pack and embedded. Main content formed of a formatted bitstream; And And an additional content formed in a bitstream separate from the main content. The method of claim 1, And the link information includes a position at which the additional content is recorded as the reproduction information, a data size of the additional content, and playback time information, and includes a name of the additional content as the guide information. The method of claim 2, The play time information includes a pop-up start time at which a pop-up icon indicating that the additional content exists and a pop-up end time at which the pop-up icon disappears. The method according to any one of claims 1 to 3, The link information further includes a type of the additional content as the guide information. And a reproduction duration time of the additional content as the reproduction information. The method of claim 1, And the main content is a bit stream in which an audio pack in which audio data is recorded, a video pack in which video data is recorded, and a link information pack including the reproduction information and guide information are multiplexed. (a) a link information pack including link information and link information including play information necessary for playing at least one related additional content and guide information to be displayed for selection of the additional content, wherein the link information pack includes at least one of an audio pack and a video pack. Recording the main content formed into a embedded bitstream multiplexed with one or more; And and (b) recording the additional content formed in a bitstream separate from the main content in an area separate from the area in which the main content is recorded. The method of claim 6, In step (a), (a1) generating link information including the play information and the guide information; And and (a2) multiplexing the generated link information to be embedded at a predetermined position of the main content. The method according to claim 6 or 7, And the link information includes a position at which the additional content is recorded, a data size of the additional content, and a reproduction time information as the reproduction information, and includes a name of the additional content as the guide information. The method of claim 8, The play time information includes a pop-up start time at which a pop-up icon indicating that the additional content exists and a pop-up end time at which the pop-up icon disappears. The method of claim 8, The link information includes the type of the additional content as the guide information. And the reproduction duration time of the additional content as the reproduction information. The method of claim 6, And the main content is a bitstream in which an audio pack in which audio data is recorded, a video pack in which video data is recorded, and a link information pack including the reproduction information and guide information are multiplexed. A recording apparatus for recording data on a recording medium, A recording control unit for generating link information including reproduction information necessary for playing at least one related additional content and guide information to be displayed for selection of the additional content; A multiplexer for multiplexing a link information pack containing link information generated by the recording controller with an audio pack and a video pack constituting main content; And And a recording unit for recording the main content multiplexed with the link information by the multiplexer, and recording the additional content formed in a bitstream separate from the main content into an area separate from the area in which the main content is recorded. Recording device. The method of claim 12, The link information includes the position at which the additional content is recorded, the data size of the additional content, and the reproduction time information as the reproduction information; And the name of the additional content as the guide information. (a) a main content multiplexed with an audio pack and a video pack, the link information pack including link information including play information necessary for playing at least one related additional content and guide information to be displayed for selection of the additional content; Playing it; (b) displaying the guide information contained in the link information pack; And and (c) when one of the additional contents is selected, reproducing the selected additional contents from a region separate from the region in which the main contents are recorded based on the reproduction information. The method of claim 14, Step (c) is, (c1) stopping playback of the main content; (c2) playing the selected additional content; And and (c3) restarting the playback of the main content when playback of the selected additional content ends. The method of claim 15, Step (c1), (c11) displaying the name of the additional content included in the guide information; And and (c12) receiving selection information of additional content. The method of claim 16, In step (c11), the type of the additional content included in the guide information together with the name of the additional content is displayed. The method of claim 15, The step (c2) may be performed by referring to a location where the additional content included in the reproduction information is recorded, and reproducing the file by referring to the data size of the additional content included in the reproduction information and the reproduction time information. Reproduction method comprising the. The method of claim 18, The play time information includes a pop-up start time at which a pop-up icon indicating that the additional content exists and a pop-up end time at which the pop-up icon disappears. The method of claim 14, And the link information further includes a reproduction duration of the additional content as the reproduction information. An apparatus for reproducing data from a recording medium, A reading unit which reads main content multiplexed with an audio pack, a video pack, and a link information pack, and reads additional content from an area separate from an area in which the main content is recorded; And The main content read by the reader is controlled to be reproduced, the link information included in the link information pack is interpreted, and guide information for selecting the additional content is displayed. When the predetermined additional content is selected, the selected additional content is selected. And a playback control section for extracting playback information necessary for playing back from the link information pack and controlling playback of additional content read by the reading section. The method of claim 21, Further comprising a display unit for displaying the main content, the guide information, and the additional content provided from the playback control unit, The playback control unit causes the display unit to stop displaying the main content when the selection information on the additional content is input, to display the selected additional content, and to display the main content again when the display of the selected additional content ends. Characterized in that the playback device. The method of claim 21 or 22, And the playback control unit controls the guide information to be displayed in a pop-up window on the display unit. The method of claim 23, wherein And the link information includes the name of the additional content and the type of the additional content as the guide information. The method of claim 23, wherein And the link information includes, as the reproduction information, a position at which the additional content is recorded, a data size of the additional content, and reproduction time information. The method of claim 25, The play time information includes a pop-up start time at which a pop-up icon indicating that the additional content exists and a pop-up end time at which the pop-up icon disappears. The method of claim 26, And the popup icon is provided and displayed by the playback control unit.