KR20120097693A - Method and apparatus for generating and playing contents, and recorded medium for storing the contents - Google Patents

Abstract

PURPOSE: A content generating and reproducing device, a method thereof, and a recording medium thereof are provided to generate/reproduce content capable of navigation based on a meaning. CONSTITUTION: A parser(310) analyzes a file format of content to be reproduced. A content processing unit(330) processes the content according to a meaning list or a meaning separation unit list. A display unit(340) displays the content, which is transmitted from the parser, on a screen. A meaning list processing unit processes a meaning list of content to be reproduced. [Reference numerals] (200) Broadcasting network/communication network; (300) Reproduction device; (330) Content processing unit; (340) Display unit; (350) Input unit; (400) Storage

Description

Apparatus and method for generating and playing content, and a recording medium on which the content is recorded, and the recording medium recorded with the content and AND RECORDED MEDIUM FOR STORING THE CONTENTS}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to content creation and reproduction, and more particularly, to an apparatus and method for generating and playing content capable of meaning-based navigation, and a recording medium on which the content is recorded.

In general, content is consumed by playing video tracks or audio tracks individually or in combination, from beginning to end. In addition, in the related art, content is divided into chapters according to a suitable length for inserting an advertisement and the like, and playback is skipped to the next chapter according to a user's input during playback. However, the prior art does not provide a link to other sections or other contents that are related to content other than a continuous section after semantic grasp of the section, grasping the front and rear relationship between the sections, or the execution of one section.

It is assumed that, during the reproduction of the content, a part of the same content or a part related to the content being played among other contents is to be played according to the content of the content. For example, when a scene with the Eiffel Tower in the background appears while watching a drama, the user wants to see a picture that the user took with friends at the destination with the Eiffel Tower as a background. Therefore, you can search for photos of the Eiffel Tower in the background and enjoy them. As another example, you can search for movies featuring the Golden Gate Bridge, select a movie called 'Psycho' and play the movie directly from the very scene where the Golden Gate Bridge appears.

Conventional content reproduction technology has been able to use such a usage example only by grasping the meaning, that is, the context, and knowing what kind of content corresponds to the meaning and where it is stored. However, this type of flexible consumption of content is not possible if the user does not remember the location of the content or does not know that such content exists.

A similar technique in the related art is Motion Picture Image Coding Experts Group (MPEG) -4 Binary Format for Scene (BIFS). However, MPEG-4 BIFS makes certain video components, such as the Eiffel Tower and the Golden Gate Bridge, as separate video tracks, play with video tracks containing other screen components, such as the main character or a passing car. It can not be realized unless the consideration is given in advance in the production stage of the content.

Another similar technique in the prior art is Timed Metadata. However, Timed Metadata provides additional information about content over time, considering information on what part of the screen corresponds to what it means, division of multiple sections on the time axis, and search for Timed Metadata itself. It is not.

The problem to be solved by the present invention is to provide a unit that can consume the content semantically separated.

It is also an object of the present invention to provide a method for reproducing content that can be semantically separated and consumed.

It is also an object of the present invention to provide a playback device for content that can be semantically separated and consumed.

A playback apparatus for playing content according to an embodiment of the present invention includes a parser for analyzing a file format of a content to be played, a content processing unit for processing the content delivered from the parser according to a semantic list or a semantic unit list, and the content; And a display unit for displaying the content delivered from the parser on the screen according to the result processed by the processor. It is characterized by a list of semantic division units to distinguish.

In addition, the method of reproducing the content according to an embodiment of the present invention, the semantic list listing the meaning of the elements constituting each scene of the content to be reproduced, and the semantic classification unit list enumerating the semantic division unit for distinguishing the meaning And reproducing contents having a predetermined meaning with reference to the processing result of the semantic list and the semantic division unit list.

In addition, the apparatus for generating content according to an embodiment of the present invention, the storage unit for storing the content, a meaning list that lists the meanings of the elements constituting each scene of the stored content, the semantic division to distinguish the meanings And a content generating unit generating a semantic division unit list listing units, and generating semantic based content including the generated semantic list and the semantic division unit list.

In addition, the method for generating content according to an embodiment of the present invention, the process of reading the stored content, the process of generating a semantic list of the meaning of the elements constituting each scene of the stored content, and distinguishing the meaning Generating a semantic division unit list listing semantic division units, and generating semantic-based content including the generated semantic division list and the semantic division unit list.

In addition, the recording medium in which the content is recorded according to an embodiment of the present invention, a semantic list of the contents, the meaning list of the meanings of the elements constituting each scene of the content, and a semantic classification unit list of the semantic division unit for dividing the meaning It includes.

When the effect obtained by the typical thing of the invention disclosed below is demonstrated briefly, it is as follows.

According to the present invention, the content can be displayed to be classified and used based on semantics. In addition, according to the present invention can search or consume the corresponding content on a semantic basis.

In addition, the content reproducing apparatus may reproduce the contents continuously from the beginning to the end as before, but may also play the semantic order or selectively. In addition, the content reproducing apparatus may present the content currently being played in connection with a corresponding part of semantically related other content to be played or selected by the user.

1 is a diagram illustrating a system for providing content having a semantic list and a semantic division unit list according to an embodiment of the present invention.
2 is a diagram illustrating a detailed configuration of a content server according to an embodiment of the present invention.
3 is a diagram illustrating a configuration of a content reproducing apparatus for reproducing contents having a semantic list and a semantic division unit list according to an embodiment of the present invention.
4 is a diagram illustrating a detailed configuration of a content processing unit according to an embodiment of the present invention.
5 is a flowchart illustrating a content generation method of a content server according to an embodiment of the present invention.
6 is a view showing an example of the operation of the content playback device according to an embodiment of the present invention
7 illustrates a file format configuration according to the prior art.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an operation principle of an embodiment of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions of the present invention, and may be changed according to the intentions or customs of the user, the operator, and the like. Therefore, the definition should be based on the contents throughout this specification.

Content is composed of temporal units, spatial units, structural units, physical units, and the like based on meaning. In this specification, such a unit is defined as a semantic division unit.

In the temporal unit of the semantic division unit, the content may be limited such as when and when and when.

       In the spatial unit, the content may be limited in part, such as 'where the upper left corner coordinate of the rectangle is from where the lower right corner coordinate is.' Alternatively, the part may be limited, such as 'where is the coordinate corresponding to each vertex in an arbitrary free closed curve'.

In the structural unit, the content may be defined by designating one or more content components such as track 1 and track 2.

In addition, in the structural unit, the content may be limited in parts such as 'how many times to movie fragments'.

In the physical unit, the content may be limited in parts such as 'offset from to how many.' These semantic division units may be combined in an 'AND' condition to further define the meaning. For example, in the spatiotemporal unit combining temporal unit and spatial unit, the content may be limited in part, such as 'from when and when and from the upper left corner coordinate to the lower right corner coordinate.'

Table 1 below shows an example of a Uniform Resource Location (URL) representing semantic division units.

URL: protocol: // filename # time ('100s', '200s') // Time semantic unit
URL: protocol: // filename # area ('0,0', '100,100') // Spatial semantic unit
URL: protocol: // filename # ffp (track_ID = '3') // structure semantic unit

The semantic division units separated in this way have identifiers. This is called a semantic identifier. In addition, the content may list the semantics of the content, and the semantics listed in this way each have an identifier. This is called a semantic identifier. Each semantic indicates one or more semantic unit identifiers. In addition, each semantic division unit indicates one or more semantic identifiers. As such, the meanings present in the content may be indicated by cross-reference to the portions in which the meanings exist.

Meanwhile, the semantic list and the semantic division unit list may be provided in an optimized form according to the file format.

The semantic list or semantic unit list may be provided using an existing MPEG-4 part12 compatible format (ISO / IEC14496-12: ISO Base Media File Format) in consideration of compatibility.

7 illustrates a configuration of a file format (Base Media File Format) according to the prior art.

Referring to FIG. 7, a content composed of a conventional ISO Base Media File Format includes a moov box and an mdat box. The multimedia content is stored in the mdat box, and the moov box contains configuration and detailed metadata information about the multimedia content.

The semantic list or the semantic division unit list may be stored or provided by newly adding the 'smtc' box as shown in Table 2 in the existing ISO Base Media File Format, respectively or in the same manner. It is created in the form of a box like box or mdat box, and placed in the same position as the moov box or mdat box under the ISO file (sibling relationship), or belonging to a lower box of moov box or another existing box.

struct box ('smtc')
{
unsigned int semantic_identifier;
unsigned int32 namespace; // 0: MPEG-7, 1: doublin core, 2: ...
string type; // example: structure
string semantic; // example: tower, eiffel
unsigned int number_of_reference_id;
for (i = 0; i <number_of_reference_id; i ++) {
unsigned int reference_semantic_unit_identifier; // semantic identifier
}
}

In Table 2, semantic_identifer represents a semantic identifier. The namespace indicates a semantic description standard that defines the semantics to be used. That is, in order to use an existing standard, such as MPEG-7 or the doblin core, a number may be assigned or a part of the namespace may be replaced with a string. In addition, when a content provider or a user wants to use arbitrary semantic vocabulary, the scope of expression may be extended by indicating a special string or a designated value such as 'undefined'. type indicates a classification range containing meaning. For example, the meaning of 'hot' may be included in the temperature. semantic specifies meaning. number_of_reference_id indicates the number of semantic division units that can be associated with the semantic. reference_semantic_unit_identifier represents a semantic division unit identifier that can be associated with a corresponding meaning.

As another embodiment of the present invention, the semantic classification unit list may be stored by expanding an existing 'iloc' box as shown in Table 3 below.

Table 3 contains the modifications proposed in the present invention along with the configuration of the conventional iloc box. That is, by using 1 bit of the conventional 4-bit reserved field to indicate whether the item of the iloc box is a semantic unit. If the value of the corresponding bit is 1, the iloc box stores the semantic unit list.

aligned (8) class ItemLocationBox extends FullBox ('iloc', version = 0, 0) {
unsigned int (4) offset_size;
unsigned int (4) length_size;
unsigned int (4) base_offset_size;
unsigned int (3) reserved; // new addition
unsigned int (1) item_is_semantic_unit;
if (item_is_semantic_unit == 0)
{
unsigned int (16) item_count;
for (i = 0; i <item_count; i ++) {
unsigned int (16) item_ID;
unsigned int (16) data_reference_index;
unsigned int (base_offset_size * 8) base_offset;
unsigned int (16) extent_count;
for (j = 0; j <extent_count; j ++) {
unsigned int (offset_size * 8) extent_offset;
unsigned int (length_size * 8) extent_length;
}
}
}
else
{
unsigned int (16) semantic_unit_identifier;
unsigned int (16) number_of_url;
for (i = 0; i <number_of_url; i ++)
{
string url_with_fragment_identifier;
}
unsigned int number_of_semantic_identifier;
for (i = 0; i <number_of_semantic_identifier; i ++)
{
unsigned int reference_semantic_identifier;
}
}
}

In Table 3, offset_size, length_size, and base_offset_size represent the sizes of base_offset, extent_offset, and extent_length to be used below in bytes. If the address, length, etc. are displayed in the size of 32bit or 16bit collectively, the field may be wasted or the size of the field may be insufficient, so the field is operated flexibly. The reserved field was 4 bits in the prior art, but reduced to 3 bits in the present invention. item location Use this item to distinguish whether the item in the box is a semantic list or an existing item. If it is not a list of semantic units (item_is_semantic_unit == 0), enter the conditional statement and indicate the number of items (item_count) to be described later. , And base_offset, which indicates where the start of the item you want to describe in each data source is. An item can consist of several extents, represented by the number of extents in the extent_count, base_offset + extent_offset, and the length of each extent in the for loop where each extent exists.

On the other hand, the description of the file further proposed in the present invention is as follows.

semantic_unit_identifier represents a semantic unit identifier. number_of_url represents the number of semantic division units. url_with_fragment_identifier indicates a semantic division unit. Since a plurality of url_with_fragment_identifier combines the semantic units indicated by the AND condition, the plurality of url_with_fragment_identifiers can further limit the indicated semantic units. number_of_semantic_identifier represents the number of identifiers of meanings to which corresponding semantic division units are connected. reference_semantic_identifier represents a semantic identifier to which a corresponding semantic division unit is connected.

In another embodiment of the present invention, a semantic list and a semantic division unit list may be provided using an XML (eXtensible Markup Language) format. As shown in Table 4 below, the semantic list can be configured to be included in the 'meta' box, which is a space for storing metadata in the ISO Base Media File Format, by establishing a 'semantic document' in XML format.

Example of semantic document
<xml>
<semantic semantic_identifier = "...">
<namespace: type = "semantic">
<reference_semantic_unit_identifier = ".."/>
<reference_semantic_unit_identifier = ".."/>
...
</ namespace>
</ semantic>
</ xml>

In Table 4, semantic_identifer represents a semantic identifier. The namespace indicates a semantic description standard that defines the semantics to be used. That is, in order to use an existing standard, such as MPEG-7 or the doblin core, a number may be assigned or a part of the namespace may be replaced with a string. In addition, when a content provider or a user wants to use arbitrary semantic vocabulary, the scope of expression may be extended by indicating a special string or a designated value such as 'undefined'. type indicates a classification range containing meaning. For example, the meaning of 'hot' may be included in the temperature. semantic specifies meaning. number_of_reference_id indicates the number of semantic division units that can be associated with the semantic. reference_semantic_unit_identifier represents a semantic division unit identifier that can be associated with a corresponding meaning.

The semantic classification unit list can be configured as shown in Table 5.

<xml>
<semantic_unit semantic_unit_identifier = "…">
<url_with_fragment_identifier href = "…">
<url_with_fragment_identifier href = "…">
<reference_semantic_identifier semantic_identifier = "..">
<reference_semantic_identifier semantic_identifier = "..">
</ semantic_item>
</ xml>

In Table 5, semantic_unit_identifier represents a semantic unit identifier. url_with_fragment_identifier indicates a semantic division unit. Since a plurality of url_with_fragment_identifier combines the semantic units indicated by the AND condition, the use of a plurality of url_with_fragment_identifier can further limit the semantic units indicated. reference_semantic_identifier represents a semantic identifier to which a corresponding semantic division unit is connected.

If the content can be consumed in a semantic unit as in the present invention, the method of consuming the content may be different, and it is possible to associate and consume several different contents. To this end, the content is provided with a list of semantic classification units divided into various semantic division units (temporal unit, spatial unit, structural unit, physical unit, etc.) according to the position of the meaning existing in the content. In addition, the content is provided with a list of meanings existing in the content. The semantic unit list and the semantic list can be configured to cross-reference to reduce redundancy of the data.

Meanwhile, according to the present invention, a reproducing apparatus for reproducing contents having a meaning and a semantic division unit may consume a criterion for reproducing the contents consistently from the beginning to the end as in the prior art or based on a specific meaning. It can be determined by dividing.

1 illustrates a system for providing content having a semantic list and a semantic division unit list according to an embodiment of the present invention.

Referring to FIG. 1, the content server 100 provides content having a semantic list and a semantic division unit list according to an exemplary embodiment of the present invention, and a user may access the content server 100 through a network 200 such as a broadcasting network or a communication network. Receives the content provided by the), and reproduces the content via the content playback device (300). In addition, although not shown, the content reproducing apparatus 300 plays a storage medium (eg, CD, DVD, BD) storing contents having a semantic list and a semantic division unit list according to an embodiment of the present invention.

2 shows a detailed configuration of a content server 100 according to an embodiment of the present invention.

Referring to FIG. 2, the content server 100 includes a content generator 110, a transceiver 120, and a storage 130. The storage unit 130 stores the content, and the content generation unit 110 distinguishes the meaning from the meaning list in which the meanings of the elements constituting each scene of the content are listed in the content stored in the storage unit 130. Generates a semantic based content added with a semantic division unit list listing semantic division units to be transmitted through the transceiver unit 120.

3 illustrates a configuration of a content reproducing apparatus for reproducing contents having a semantic list and a semantic division unit list according to an embodiment of the present invention.

Referring to FIG. 3, a content player 300 according to an embodiment of the present invention includes a file format parser 310, a decoder 320, a content processor 330, a display unit 340, and an input unit 350. do.

The file format parser 510 analyzes the file format of the content received from the network 200 or the storage 400, checks for an error, and transmits the error to the decoder 320 and the content processor 330. In this case, the storage 400 may be located inside or outside the playback apparatus 300. In addition, the content processing unit 330 refers to a signal input through the input unit 350 or automatically processes the content according to the semantic list or the semantic division unit list and transmits the processing result to the decoder 320. The decoder 320 decodes the content based on the signal input from the content processor 330 and transmits the content to the display unit 340, and the display unit 340 displays the transferred content.

4 illustrates a detailed configuration of a content processing unit 330 according to an embodiment of the present invention. Referring to FIG. 4, the content processing unit 330 includes a navigator 331, a semantic list processing unit 332, and a division unit processing unit. 333 and the associated meaning processor 334.

The semantic list processor 332 processes the semantic lists included in the content according to the embodiment of the present invention. The division unit processing unit 333 processes the semantic division unit lists included in the content according to the embodiment of the present invention. The navigator 331 instructs the semantic list processor 332 and the division unit processor 333 to process the semantic list and the semantic unit list of contents according to a request of the user through the input unit 350. Then, the related meaning processing unit 334 before or after the playback of the content is started to the user among the semantic list and the semantic unit list of the content to be reproduced based on the contents processed by the semantic list processing unit 332 and the division unit processing unit 333. Indicates that there is a meaning associated with the content that is currently playing or is being played at a point in time, and also matches or is associated with the content that is currently playing or is being played with other content located in the storage 400 accessible by the playback device. It indicates that there is a content or a part of the content that has meaning.

In more detail, when the content is consumed from the beginning to the end, after identifying which of the semantic division units the current playback position corresponds to the semantic division unit, the semantics corresponding to the semantic division unit are searched to show the meanings corresponding to or related to the current playing position to the user. can do. In addition, other contents stored in the storage 400 accessible to the playback device may be checked to show that there is other content associated with the user depending on whether the content is similar to, or similar to, the content that is being played or is being played. It is possible to do

When a playback device searches a semantic basis and selects a specific content among the illustrated contents by the user's selection, the playback device moves to another point in time where the selected meaning exists from the current playback point and the selected meaning exists. Playback of the content is resumed. At this time, the playback apparatus finds a semantic division unit list in the semantic list of other related contents, and plays a part of the content corresponding to the semantic division unit, thereby showing a corresponding scene of the existing other contents in the form of a thumbnail or a list. It is possible to. In this case, the playback device may receive the user's input and play the content following the content currently being played, or automatically play the content currently being played according to the user's preference environment previously input by the user.

When the content is to be consumed based on a specific meaning, the user can set the playback device to play the content based on the meaning. Then, the playback apparatus searches the semantic list of the contents according to the user's setting, finds the contents having the matching or related meaning, and plays some or all of the contents.

For example, when querying a playback device with the search term 'wedding', the playback device may display content having a meaning of 'wedding' or content having a higher meaning of 'ceremony' in the search list as an expected result. At this time, the higher meaning may be given to the content, or the playback apparatus may have a database of related meanings by referring to the specification of metadata such as MPEG-7, or the playback apparatus may search using a semantic based database configured by the manufacturer. have. The user can then select one or several searched results and play the selected results consecutively.

5 is a flowchart illustrating a content generation method of a content server according to an embodiment of the present invention.

Referring to FIG. 5, in step 501, the content server reads content stored in the storage unit and analyzes the content read in step 502 to identify a semantic division unit constituting the content. In operation 503, each scene of the content is divided based on the semantic classification unit to create a semantic list and a semantic division unit list. In operation 504, a content including the created semantic list and a semantic division unit list is generated.

6 is a flowchart showing an example of the operation of the content reproducing apparatus according to the embodiment of the present invention.

Referring to FIG. 6, in operation 601, the playback apparatus reads content to be played back from a network or an internal / external storage, and reads a semantic list and a semantic unit list of the content to be played before or during the playback of the corresponding content. Read. In step 602, it is searched whether there is content having the same or related meaning as that of the content to be played. do. In step 603, it is determined whether a playback method of the playback device is set. If the playback device is set to play content based on the meaning, the searched content is continuously played in step 604 after the content currently being played. If the playback apparatus is not set to play on a semantic basis, the searched contents are displayed on the screen for the user to check in step 605. At this time, the playback apparatus finds a semantic division unit list in the semantic list of other related contents, and plays a part of the content corresponding to the semantic division unit, thereby showing a corresponding scene of the existing other contents in the form of a thumbnail or a list. It is possible to. In operation 606, when one or some of the contents displayed on the screen are selected by the user, the selected contents are played after the currently playing contents or according to a preset preference of the user.

Meanwhile, the semantic-based content according to an embodiment of the present invention may be stored in a network attached storage (NAS), a database, or the like, or may be a CD-ROM, a digital versatile disc (DVD), a RAM, a ROM, a floppy disk, a hard disk, or an optical disk. It may be provided stored in a computer-readable recording medium, such as a magnetic disk, a universal serial bus (USB).

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.

For example, in this specification, the terms meaning, list, and semantic division unit are used, but the meaning may be expressed differently in semantic, context, and the like, and the list may be expressed differently in database, list, and the like. In addition, semantic division units may be expressed differently as partitions, identifiers, items, and the like.

Claims (57)

In the playback device for playing content,
A parser that analyzes the file format of the content to be played,
A content processing unit for processing the content delivered from the parser according to a semantic list or a semantic division unit list;
And a display unit for displaying the content transmitted from the parser on the screen according to the result processed by the content processing unit.
And the semantic list lists the meanings of the elements constituting each scene of the content, and the semantic division unit list lists the semantic division units for dividing the meanings. The method of claim 1,
The content processing unit,
A semantic list processor configured to process a semantic list of the content to be played;
A division unit processing unit for processing the semantic division unit list of the content to be played;
And a related meaning processor configured to search for and play contents having a predetermined meaning with reference to processing results of the semantic list processor and the division unit processor. The method of claim 2,
The relevant meaning processing unit,
At the time before or during the playback of the content, it is confirmed that there is a mutual meaning within the content, and that the content having the same meaning as or related to the meaning exists in other content located in an internal or external storage. A playback apparatus characterized in that the control to confirm and display. The method of claim 3,
The relevant meaning processing unit,
And when a predetermined content is selected from the displayed contents at a time point during the reproduction, controlling to play the selected content after the currently playing content. The method of claim 3,
The relevant meaning processing unit,
And reproducing the displayed content after the currently playing content according to the user's preference environment previously input by the user. The method of claim 1,
The semantic classification unit includes at least one of a temporal unit, a spatial unit, a structural unit, and a physical unit. The method of claim 1,
The semantic classification unit is characterized in that two or more units are combined in an 'AND' condition. The method of claim 1,
The meanings each have a semantic identifier, and each semantic division unit has a semantic classification unit identifier,
And the semantic identifier and the semantic division unit identifier are mutually referred to each other. The method of claim 1,
The content and the information about the content is characterized in that provided through the mdat box and moov box, respectively. The method of claim 1,
And information related to the semantic list and the semantic division unit list is provided through an smtc box. The method of claim 1,
And information related to the semantic list and the semantic division unit list is provided through a modified iloc box. The method of claim 11,
And the information related to the semantic list and the semantic division unit list is provided through a reserved area of an iloc box. The method of claim 1,
And information related to the semantic list and the semantic division unit list is provided through a meta box. The method of claim 13,
And the information related to the semantic list and the semantic division unit list is provided in XML format in an eXtensible Markup Language (XML) format. In the playback method for playing the content,
Processing a semantic list listing the meanings of the elements constituting each scene of the content to be reproduced, and a semantic division unit list listing the semantic division units for distinguishing the meanings;
And reproducing contents having a predetermined meaning by referring to the processing result of the semantic list and the semantic division unit list. 16. The method of claim 15,
The regeneration process,
At the time before or during the playback of the content, it is confirmed that there is a mutual meaning within the content, and that the content having the same meaning as or related to the meaning exists in other content located in an internal or external storage. Playback method characterized in that the display by checking. 16. The method of claim 15,
The regeneration process,
And if the predetermined content is selected from the displayed content at one point in time during the playback, the selected content is played next to the content currently being played. 16. The method of claim 15,
The regeneration process,
And playing the displayed content after the currently playing content according to a user's preference environment previously input by the user. 16. The method of claim 15,
The semantic classification unit includes at least one of a temporal unit, a spatial unit, a structural unit, and a physical unit. 16. The method of claim 15,
The semantic division unit is a playback method characterized in that two or more units are combined in an 'AND' condition. 16. The method of claim 15,
The meanings each have a semantic identifier, and each semantic division unit has a semantic classification unit identifier,
And the semantic identifier and the semantic division unit identifier are mutually referred to each other. 16. The method of claim 15,
The content and the information about the content is characterized in that provided through the mdat box and moov box, respectively. 16. The method of claim 15,
The information related to the semantic list and the semantic classification unit list is provided through an smtc box. 16. The method of claim 15,
And the information related to the semantic list and the semantic division unit list is provided through the changed iloc box. 25. The method of claim 24,
The information related to the semantic list and the semantic division unit list is provided through a reserved area of an iloc box. 16. The method of claim 15,
The information related to the semantic list and the semantic division unit list is provided through a meta box. The method of claim 26,
The information related to the semantic list and the semantic classification unit list is provided in an XML format in an eXtensible Markup Language (XML) format. An apparatus for generating content,
A storage unit for storing content,
Generating a semantic list listing meanings of elements constituting each scene of the stored content, generating a semantic division unit list listing semantic division units for distinguishing the meanings, and including the generated semantic list and semantic division unit list And a content generator for generating semantic-based content. 29. The method of claim 28,
The semantic classification unit may include at least one of a temporal unit, a spatial unit, a structural unit, and a physical unit. 29. The method of claim 28,
The semantic separator unit is characterized in that two or more units are combined in an 'AND' condition. 29. The method of claim 28,
The meanings each have a semantic identifier, and each semantic division unit has a semantic classification unit identifier,
And the semantic identifier and the semantic division unit identifier are mutually referred to each other. 29. The method of claim 28,
And the content and the information about the content are provided through the mdat box and moov box, respectively. 29. The method of claim 28,
Information related to the semantic list and semantic classification unit list is provided through an smtc box. 29. The method of claim 28,
And the information related to the semantic list and the semantic division unit list is provided through the changed iloc box. 35. The method of claim 34,
And information related to the semantic list and the semantic classification unit list is provided through a reserved area of an iloc box. 29. The method of claim 28,
Information related to the semantic list and semantic classification unit list is provided through a meta box. 37. The method of claim 36,
And the information related to the semantic list and the semantic division unit list is provided in an XML format in an meta box. In a method for generating content,
Reading the stored content,
Generating a meaning list listing meanings of elements constituting each scene of the stored content;
Generating a semantic division unit list listing semantic division units for dividing the meanings;
Generating a semantic based content including the generated semantic list and a semantic division unit list. The method of claim 38,
The semantic classification unit may include at least one of a temporal unit, a spatial unit, a structural unit, and a physical unit. The method of claim 38,
The semantic classification unit is characterized in that two or more units are combined in an 'AND' condition. The method of claim 38,
The meanings each have a semantic identifier, and each semantic division unit has a semantic classification unit identifier,
And the semantic identifier and the semantic division unit identifier are mutually referred to each other. The method of claim 38,
The content and the information about the content generation method, characterized in that provided through the mdat box and moov box, respectively. The method of claim 38,
The information related to the semantic list and the semantic classification unit list is provided through an smtc box. The method of claim 38,
The information related to the semantic list and the semantic division unit list is provided through a modified iloc box. The method of claim 44,
The information related to the semantic list and the semantic classification unit list is provided through a reserved area of an iloc box. The method of claim 38,
Information related to the semantic list and semantic classification unit list is provided through a meta box. 47. The method of claim 46,
And the information related to the semantic list and the semantic classification unit list is provided in an XML format in the meta box. In a recording medium on which content is recorded,
Content that contains data,
A meaning list listing meanings of elements constituting each scene of the content;
A recording medium having recorded therein a content including a semantic division unit list listing semantic division units for separating the meanings. 49. The method of claim 48,
The semantic classification unit may include at least one of a temporal unit, a spatial unit, a structural unit, and a physical unit. 49. The method of claim 48,
The semantic classification unit is a recording medium, characterized in that two or more units are combined in an 'AND' condition. 49. The method of claim 48,
The meanings each have a semantic identifier, and each semantic division unit has a semantic classification unit identifier,
And the semantic identifier and the semantic division unit identifier are mutually referred to each other. 49. The method of claim 48,
The content and the information about the content is a recording medium, characterized in that provided through the mdat box and moov box, respectively. 49. The method of claim 48,
Information related to the semantic list and semantic classification unit list is provided through an smtc box. 49. The method of claim 48,
Information related to the semantic list and semantic classification unit list is provided through a modified iloc box. 55. The method of claim 54,
And the information related to the semantic list and the semantic division unit list is provided through a reserved area of an iloc box. 49. The method of claim 48,
Information relating to the semantic list and semantic classification unit list is provided through a meta box. 57. The method of claim 56,
And the information related to the semantic list and the semantic classification unit list is provided in an XML format in an eXtensible Markup Language (XML) format.

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