미디어 데이터를 송수신하는 방법 및 장치
The device and method for transmitting and receiving data to the medium disclosure are disclosed. Explosion of wired and wireless Internet is growth, Internet TV (television) in various forms that will be part perspective of human life meaningful are disclosed. AV (Audio Video) earned through wired and wireless Internet in response to replace existing broadcasting which cannot be, Internet broadcasting combining generation through in hybrid service are disclosed. In addition, content delivery 2 differential distribution network dedicated to heating content number is mounted alternatively past content delivery network, IP (internet protocol) network by transmitting them via cookies, separate dedicated network length be exhausting air equipment costs as well as radiates light to the interface photosensitizer etc.. The current digital broadcast is stereo 3D video broadcast, UHD (Ultra High Definition) broadcast, multi-view 3D video broadcast, generating power and hologram broadcast in real time, thereby making it possible to run each step requires a large amount of data transmission amount whenever, the current MPEG-a 2 TS (Moving Picture Experts Group 2 provided Transport Stream) is inefficient disapproval outlook gradually will be obtained. For example, the member 4 times compared to HDTV broadcast UHD (4K class) or 16 times (8K class) will have a resolution of since, even though the 6 MHz TV program applying high efficiency compression scheme will not transmit onto one channel are disclosed. The transmission rate if necessary, 188 bytes of a fixed-length packet having MPEG-a 2 TS is high-priced can. In addition [...] IP network into a number all other network broadcast IP is converted for use in environments in which MPEG-a 2 TS interoperating with hereinafter for uninhabitable. The compatibilized UHD IP-friendly MPEG-a 2 TS broadcast at the point in more efficient compared to need new AV delivery for formats that are disclosed. On the other hand, user information associated with the content to said content broadcasting service number ball being, for example, metadata is included which, up-and-ball number to the user having the content metadata when the disclosed. For example, IP TV broadcast for viewing contents delivered from the network or cable TV set-top box through which user, said content meta data either consumed both in set-top box processing in the process where the number and volatile content, video and/or audio data compressed pure contents only form in the TV can be delivered. In TV of the user metadata available control units with each other. With reference to, said metadata, e.g., related to a service user's TV broadcast service in sub-ball number additional service information can be obtained through the Internet network. The disclosure is a method and device using meta data associated with the content to a number number [...][...] substrate. The disclosure in the embodiment of metadata associated with the content includes a method and a device number to a user through the audio stream number [...][...] substrate. The disclosure in the embodiment of method and device constituting a metadata associated with the content is number [...] substrate. The disclosure including metadata associated with the content is in the embodiment of compressed media data format number [...] substrate. In the embodiment of the disclosure includes using said compressed media data format method and device for delivering a number of TV metadata [...] substrate. The disclosure of an example embodiment of compressed media data format transmitted TV user metadata for a method and device for additional service by utilizing [...] number number [...] substrate. In the embodiment of the processing method by the disclosure content in set-top box, audio stream including the steps of contents are received, said audio stream without performing the third operation, said audio stream output interface (Television) TV through a bypass process comprising, said audio stream is said comprising relating to content metadata. In the embodiment of the method for playing back a content to the disclosure by TV (Television), delivered from said TV set-top box, receives metadata including audio stream, extracting said metadata from said audio stream, said extracted metadata metadata handling for deforming, said metadata information for playback of media data if there is a, said media data to a device and method and apparatus for reproducing information, said metadata information of media data acquisition of media data acquisition of information media transmission processing remain if said step, said predetermined interface and protocol information of media data acquisition of said media data obtained through step, said steps of obtaining a decryption key for decrypting media data, said media data by using said method and apparatus for the decoded media data comprising reproducing process. The disclosure on contents of processing in the embodiment hacking, receive and including an audio stream, said audio stream without performing the third operation, said audio stream output interface (Television) TV through a bypass audio processing part wherein, said audio stream is said comprising relating to content metadata. The disclosure on contents of processing in the embodiment includes a TV (Television), metadata processing unit processing metadata, the metadata handling said, delivered from said TV set-top box, receives audio stream including metadata, metadata extraction unit and extracting said metadata from said audio stream, for deforming said extracted metadata metadata handling, if said metadata information for reproduction of media data, said media data to a device and method and apparatus for reproducing information, said metadata information of media data acquisition of media data acquisition of information media transmission processing unit if said transferring and metadata analysis, said predetermined interface and protocol information of media data acquisition of said media data may be obtained through decoding work by media transmission processing unit, to obtain a reactant by decoding said media, said media data by using said method and apparatus for reproducing the decoded media data comprises a media player. Figure 1 shows a service in a broadcasting service in a generally one example of memory cell blocks having a surface echo for organizing a financial entities, Figure 2 shows a set-top box is generally (SetTop Box: STB) (210) on TV (220) for delivery of media cache between surface, Figure 3 shows a meta data is added in the embodiment of the invention disclosure contains information service for acquiring and included in cases of audio metadata processing unit (300) set up of surface, Figure 4 shows a disclosure of invention in accordance with the example embodiment describes one example retransmission MVPD configuring a system, Figure 5 shows a embodiment of invention disclosure set up of example according to STB surface. Hereinafter a preferred embodiment example with reference to the attached drawing disclosure the operating principle detailed as follows. Drawing the same respect although other drawing display on to other components displayed on a reference number as possible even if the same precursor, in the following the disclosure related function or configuration described publicly known so that the description is specifically the subject matter of the disclosure can be decided to be unnecessarily haze if will omit description. The disclosure and which carry terms function in terms as defined taking into account user, depending on intended or which said operator such as can be. Therefore its definition throughout the content based on the specification will been commanded. For briefly define terms used in the specification first substrate. "Content" implies a received digital information through various method and system for general term co number such contents are disclosed. For example, TV program, movie, each of electronic book content can be. Typically the contents of one video stream, audio stream, including at least one of full text stream is generally disclosed. The specification contents in the same sense or mixed media data, said media data including sense can be used. In addition, the "service" of "content" is used when mixed terms in the disapproval. The disclosure prior disclosure the basic general outline description are described substrate. The disclosure the basic general outline, metadata associated with the content to the user via the TV of the set-top box for delivering, contents including said compressed audio stream metadata are disclosed. The compressed audio stream according to include metadata, in TV audio processor for processing said audio stream prior in presentation, said full text by extracting said first uses the metadata can be in the form of metadata. Disclosure above basic general outline of the representative example, constituting the main service associated with said compressed audio stream can be in the form of obtaining service additional main service it is found that the full text URL information, said compressed audio streams so as to receive said compressed audio stream to the set-top box is pressed against a number without, remains compressed by transferring the TV, said compressed audio streams and apparatus for URL in the form of TV is said full text, can be obtain additional service by using said URL information. On the other hand, the disclosure main content metadata associated with the data as follows. The disclosure for processing said metadata in metadata information for instructing a computer system can be. For example, metadata within "types (systype)" information is included and, said system the type MPEG system, MMT (MPEG Media Transport) system, such as system DASH (Dynamic Adaptive Streaming over HTTP) system that contains information about the can. The disclosure navigation/metadata related to a service in a network such as the URL information can be, in addition, metadata including stream an identifier to a service can be included. The disclosure metadata in MPEG, MMT, or format of packets defined in systems of DASH standard or the like, or can be a signaling message format. The disclosure of business entity's revenue generating H as follows. First, heating can be content such as studio for generating metadata is number. In addition, networks or cable network on meta data on current entity does not need a new meta data add, modify or current metadata, number can be a stand-alone. In addition, networks or cable network and newly creates meta-data on this entity itself, replacing the current metadata be said newly generated metadata. In addition, associated with the transmission media such as mote MVPD (Multichannel Video Programming Distributor) said additional entities, change, back number, can be substituted operation. In Figure 4 be described MVPD of said operations are disclosed. In addition, subscriber TV STB also connected to said additional, change, back number, can be substituted operation. In Figure 5 be described STB of said operations are disclosed. The disclosure included in said audio stream metadata is transferred to TV. Thus the disclosure in metadata in metadata processing unit for processing said TV multiple myelomas are included. Said operation of the metadata processing unit depending on the type of metadata can be said. For example, metadata handling of input including MMTP MMT signaling message in a packet type part is, when an identification of content metadata, the metadata when DASH MPD, metadata is data used in said specific application depending upon when the operation s402. Said specific operation is in Figure 3 be described metadata processing unit are disclosed. Based on the above disclosure major general outline, viewed in the embodiment of the disclosure hereinafter detailed as follows. The disclosure includes metadata to the media data format comprises compressed in the output stream. On the other hand, examples of embodiment will hereinafter be described based on MPEG-a H 3D Audio format general compressed media format may be applied to the reduced disclosed. Figure 1 shows a service in a broadcasting service in a generally one example of describing the entities with which the echo generation system are disclosed. The reference also 1, studio content such as heating (Content Provider) number (110) wherein the content number is small, heating said content number (110) number in terrestrial broadcasting it became work content (120) specified by broadcasting provider (130) to the viewer on a distributed terrestrial broadcasting network (140) directly to or, MVPD (Multichannel Video Programming Distributor) (135) users can communicate a line cable, satellite or IP network subscribers (145) user can be retransmitted. In addition, said MVPD (135) a cable network (125) receives content directly through cable, satellite or IP network subscribers over (145) can be delivered to. On the other hand, in the embodiment of the respect to the disclosure, the disclosure of Figure 1 // change/number/creates meta-data in at least one of entities in additional surfaces can be substituted. In one example, heating said content number (110) is can be creates meta-data. The, heating said metadata content number (110) can be produced in compressed audio bit stream. In addition, said broadcasting network (120) of entity and/or cable network (125) of entity metadata newly generated or mote, on meta data or an existing new meta data add, modify or current metadata, can back number. The, said broadcasting network (120) of entity and/or cable network (125) said newly generated metadata of entity transmits a current metadata can be substituted. In addition, said station (130) and/or said MVPD (135) is newly generated metadata or, on meta data or an existing new meta data add, modify or current metadata, can back number. The, said station (130) and/or said MVPD (135) said newly generated metadata current metadata can be substituted. In addition, said subscriber (145) connected to said generating of said meta data even TV STB, additional, deformation, and back number, operation of replacing can be performed. Figure 2 shows a set-top box is generally (SetTop Box: STB) (210) on TV (220) for delivery of media cache between surface are disclosed. STB (210) input processing section (211), transmission processing section (212), media processing section (213), Image processing unit (214), an audio output unit (215) and output processing section (216) having a predetermined wavelength. STB (210) is a broadcast MVPD STB said broadcast signal is received data input processing part (211) digital signal is converted to a transmission processing section (212) transferred to. Said transmission processing section (212) constant input digital signal format data units having inverse media processing section (213) of the ms. to. Said data unit is the MPEG2-a TS packet, IP packet, MMTP (MPEG Media Transport Protocol) packet or media file may have the form of, service constituting Image, audio data or metadata can be delivering. Said media processing section (213) is video data and said data units and Image processing unit (214) 620, audio data and an audio output unit (215) delivers to. With reference to, said metadata said media processing section (213) Image processing section (214), an audio output unit (215) can be used for the operation of the number. Typically said Image processing unit (214) an audio processing unit (215) Image analysis audio data is transferred via a state given compression algorithm are disclosed. Said Image processing unit (214) is said uncompressed video data (uncompressed) state STB inverse output processing section (216) delivers to. Said extrusion algorithm in one embodiment the defined in MPEG-a H (High Efficiency Video Codec) or 3D provided Audio HEVC implementation being. STB audio processing unit (215) in a compressed state of audio data is non-compressed state with STB inverse output processing section (216) delivers to. Said STB output processing section (216) for imaging and audio signal to a transfer medium TV through (220) of the input processing part (221) delivers to. the transfer medium, in one example, HDMI (High Definition Multimedia Interface) cable or cables or RGB (red-a green-a blue) can be cable component. On the other hand, TV (220) input processing section (221) and A/V real-time (223) comprises. Further audio processing section (222) can be is further included, said TV input processing part (221) is transmitted through said transfer medium A/V real-time video and audio signal (223) broadcasting service by transferring the contents therein. On the other hand, as aforementioned, in Figure 2 for delivery of media content in meta data described can be lost. For example, cable or the like through the HDMI/RGB and audio signals as STB (210) in TV (220) before being delivered, said STB (210) data is input said STB (210) media processing section (213) or Image processing unit (214) and an audio output unit (215) while said metadata is either consumed or processed in both number and wetting ability, video and/or audio signal in the form of a pure non-compression (uncompressed) TV (220) can be transmitted's oldest. Thus the disclosure in, meta data TV (220) in order to be delivered to, STB (210) audio processing section (215) is and operate as follows. I.e., said audio output unit (215) is adapted to receive uncompressed audio stream without processing, i.e., no decoding operation as a compressed output device without STB (216) delivers to. I.e., the aforementioned as in normal situations, an audio output unit (215) includes said audio data in an uncompressed form STB inverse output processing section (216) but to a, the disclosure in the embodiment of audio processing section (215) is adapted to receive second audio bitstream form STB output device (216) delivering said audio bit stream the meta data TV input device (221) through TV (220) can be delivered. On the other hand, the disclosure example embodiment of operating according to a TV (220) includes said audio bit stream TV (220) metadata delivered for processing metadata handling having a predetermined wavelength. Said metadata handling the TV (220) included in an audio output unit (222) coupled with each other. On the other hand, the operation of metadata handling according to kinds of meta audio bit stream can be determined. The H disclosure cable, satellite, such as via a TV transmission network IP MVPD STB comprising all data are delivered to the TV can be used in. In one example, metadata including said audio services included for service for said metadata can be identifier. At this time said service identifier for identifying said audio bit stream compressed audio service may be disclosed. In addition, said service identifier is associated with said audio service and Image service or Image service including both said audio service for identifying multimedia service may be disclosed. As another alternative, video/audio data is transmitted from said metadata STB TV that doesn't receive information for reproduction obtained through other transmission medium can be. At this time said wired Internet Wifi network to another medium, such as storage medium can be USB 3G/4G/5G mobile communication network and the like. In addition said video/audio data acquisition rotates, such as MPEG2 provided TS defined in MPEG, MMT, such as skill or HLS DASH (HTTP Live Streaming) can be standard of technique is used. At this time the type of the metadata defined in said metadata schemes or format of the packet, or signaling message representation of metadata can be format. In another example, various kinds of software or firmware (Firmware) applied to said metadata TV (software) or general file of delivery can be used. At this time said bitstream defined in general or in the form of standard group metadata file format, or can be a packet type. the meta data packets are IP packet, UDP (User Datagram Protocol) packet, such as RDP (Remote Desktop Protocol) packet can be defined in various communication system protocols used at the current packet. the application (application) and information related to said metadata further comprises metadata is delivered can be. Also in 3 hereinafter with reference to the metadata handling of set up at each other. Figure 3 shows a meta data is added in the embodiment of the invention disclosure contains information service for acquiring and included in cases of audio metadata processing unit (300) set up of a surface are disclosed. Metadata processing unit (300) is said of Figure 2 an audio output unit (220) connected to metadata not carried out. Metadata processing unit (300) includes a metadata extraction unit (310), metadata analysis unit (320), media presentation processing section (330), media transmission (delivery) processing unit (340) can be a. A metadata extraction unit (310) comprises an audio processing section (222) an audio stream delivered from extracted metadata. Metadata analysis unit (320) is extracted metadata chamber number metadata processing unit (300) required for operation of information format converter. Said metadata analysis unit (320) generated media presentation media for reproduction of the required information is an information processing unit (330) communicated, of media data toward acquisition of the required information is an media transmission processing section (340) transferred to. Media presentation processing section (330) the medium included in information by a media player (380) delivers to. Media transmission processing section (340) of media data is information for acquiring said media data are obtained of separated interface and protocol same decoding section (370) delivers to. In Figure 3 as an example of the protocol, MMTP (350) and HTTP (360) has been exemplified. Decoding section (370) is said media data decrypts the media player (380) 620, media player (380) is said media presentation processing section (330) media and then transmits the decoded media data included in said information reproducing substrate. With reference to, the media will not include both information included in said metadata may be filled. In this case, media transmission processing section (340) of separated additional information the medium included in a same protocol interface and obtains the media presentation processing section (330) delivers to. On the other hand, in Figure 3 an audio output unit (222) can be in the form of the output of the signaling message packet including MMTP MMT. In this case said metadata extraction unit (310) comprises extracting said metadata analysis unit same MMT MMTP packets signaling messages (320) delivers to. Said of Figure 3 description is, said meta data including information when thus set to the additional service for acquiring and included are described. However when different types of data including the metadata, metadata processing unit (330) operation of the s402. In one example, meta data is added content identifier if so, said metadata processing unit (330) is formed as follows. I.e., metadata processing unit (330) is identified by said identifier list of additional service content identifying other. Then, according to a predetermined policy (policy) or added depending on user media data and said media data included in a service information obtained via of separated medium it said decoding section (370) and media player (380) delivers to. As another alternative, the meta data defined in MPD DASH (Dynamic Adaptive Streaming over HTTP) if (Media Presentation Description) type of information, said metadata processing unit (330) is a separate processing unit (not shown minor changes) delivers to said DASH MPD DASH. In addition, metadata is DASH MPD of said URL information if so, metadata processing unit (330) is processed using said URL obtains said DASH said DASH MPD delivers the same. In another example, meta data including data to be used in the specific application case, metadata processing unit (300) comprises an audio processing section (222) in the specific application of separated interface receives said metadata for use in focused can be transmitted. On one above, various format metadata MMTP packet or DASH MPD can be configured. Thus respective different formats for processing metadata, metadata processing unit (300) is composed according formats can be separate units. Or, a plurality of formats having different metadata processing both metadata parser (320) such as can be used to perform a wide variety of components. On the other hand, said metadata processing unit (300) complete a portion or component of said audio output unit (222) can be included, said audio output unit (222) comprises an audio decoding section (not shown) can be a. In the embodiment hereinafter described herein in example of disclosure in Figure 1 MVPD configured according to describe the other. Figure 4 shows a disclosure of invention in accordance with the example embodiment describes one example retransmission MVPD configuring a system are disclosed. MVPD retransmission system (400) is said of Figure 1 cable network (125) or broadcast station (130) receives a broadcast service data from. Received broadcast service data [...] (410) in video signal, audio signal and divided into signaling information inputting video transcoder (430), audio transcoder (440) and signaling converter (450) transferred to. At this time said video signal and audio signal to a bit stream constituting said cable network (125), station (130) or content number heating (110) can be generated to include metadata. But, MVPD retransmission system (400) of input/output interface is combined with each type of media data if service provider, said [...] (410) and a multiplexing part (460) is thereof can not included. Said transcoders (430, 440) or resolution of the received video and/or audio data bit rate conversion can perform operations such as converting bit stream, said video transcoder (430), audio transcoder (440) and signaling converter (450) the output of the multiplexing (460) multiplexed through transferred to subscribers. The disclosure of the embodiment example according to MVPD retransmission system includes meta data generation unit (420) can be a. Meta data generation unit (420) transferred to a subscriber TV subscriber of a metadata transmitted STB produce metadata. Said subscriber TV video transcoder capable of delivering metadata (430) or audio transcoder (440) delivered to the, said subscriber STB metadata to transfer said signaling converter (450) transferred to. The disclosure according to example embodiment of video transcoder (430) and audio transcoder (440) and a bit stream interpreting, modifying the current bit included in the stream metadata can be. Specifically, video transcoder (430) and audio transcoder (440) current bit is included in the stream metadata or upholstery number, current bit included in the stream metadata said meta data generation unit (420) in newly generated metadata can be replaced. In addition, current bit stream while maintaining metadata, said meta data generation unit (420) in newly generated metadata by adding new creation of a bit stream perform actions involving disapproval. With reference to, meta data generation unit (420) is the information for the subscriber's TV or STB MVPD self service configuration information including metadata to be delivered for advertising and produced by its disapproval. In addition, meta data generation unit (420) is transmitted in a predetermined metadata received from user to user or subscriber number 3 TV STB said number 3 can be delivered. As modified in the embodiment, is capable of delivering said MVPD STB and TV subscriber private type metadata when having a transmission medium, said meta data generation unit (420) metadata generated according to a transmission wire subscriber STB and TV can be. In this case, in Figure 3 TV meta data processing unit (300) comprises an audio processing section (222) is not a separate interface is used to provide said meta data are obtained can be processing. The above embodiment examples MVPD MVPD retransmission systems as well as retransmission of broadcasting system (130) broadcast network (120) to obtain the desired information from MVPD broadcast service (135) applied to or on to a retransmission system delivering material to a node may broadcast service information flow can be. In the embodiment hereinafter described by example in the disclosure of STB of substrate. Figure 5 shows a configuration of the embodiment example according to STB describing disclosure of invention are disclosed. A comparison also the 5 2 also, in the embodiment according to the disclosure in Figure 5 is of added meta data generation unit (540) can be it is added. STB (500) is a broadcast MVPD STB said broadcast signal is received data input processing part (510) digital signal is converted to a transmission processing section (520) are sent. Said transmission processing section (530) constant input digital signal formats and media processors restore data units (530) delivers to. At this time said data unit is MPEG2-a TS packet, IP packet, packet or media file may have the form of MMTP, service constituting Image, audio data or metadata can be delivering. Said media processing unit (530) is video data and said data units and Image processing unit (550) as a driving force transmitting, audio data and an audio output unit (560) delivers to. Said metadata said media processing unit (530) Image processing unit (550), an audio output unit (560) can be used for the operation of the number. On the other hand, delivered to the TV metadata meta data generation unit (540) can be delivered. Said meta data generation unit (540) is said transmission processing section (520), media processing unit (530) or a separate input interface obtains metadata from TV meta data to an audio output unit (560) delivers to. Modified embodiment e.g., TV can exchange data and said STB Wifi is.. when, said meta data generation unit (420) metadata generated according to a subscriber's TV can be transmission wire. At this time the example of embodiment according to TV disclosure of audio metadata processing unit (300) comprises an audio processing section (222) is not a separate interface is used to provide said meta data are obtained can be processing. An audio output unit (560) and a bit stream interpreting, meta data or number of bitstream upholstery, meta data bit stream of said meta data generation unit (540) to obtain the desired information or replaced in metadata, meta data of bit stream while maintaining said meta data generation unit (540) to obtain the desired information in new additional metadata can be produce an encoded bitstream. On the other hand, the disclosure according to example embodiment of Image processing unit (550) also said audio output unit (560) and analyzes the bit stream as well as, meta data or number of bitstream upholstery, meta data bit stream of said meta data generation unit (540) to obtain the desired information or replaced in metadata, meta data of bit stream while maintaining said meta data generation unit (540) to obtain the desired information in additional metadata can perform actions involving new creation of a bit stream. In the embodiment hereinafter in the disclosure of various formats according to metadata configured in accordance with the schemes described substrate. Number 1 in the embodiment><MPEG-a H 3D Audio format Number 1 in the embodiment is of a standard pull MPEG-a H 3D Audio format MPEG format of "MPEG-a H 3D Audio" in core bit stream (Core bitstream) of internal expansion element utilizing metadata mpegh3daFrame () (Extended Element) constituting are disclosed in the embodiment. Number 1 in the embodiment modification of the bitstream in the embodiment for minimizing the number of bits necessary for most hereinafter are disclosed. Number 1 in the embodiment represented in examples of mpegh3daExtElementConfig () <표 1>Such as disclosed. Said <표 1>In UsacExtElementTypeThe bitstream extended format (bit stream extension type) for alerting a component into its specific to the meanings <표 2>Such as can be defined. For <표 3>Examples of the usacExtElementType according to usacExtElementSegmentData exhibits. Said <표 3>In SysMetaFrame () for one example of a <표 4>Such as disclosed. Said <표 4>In "msgType" and whether segmentation (segmentation) whether inclusion of metadata for signaling element into its specific value is a <표 5>Such as can be assigned. In additionsaid <표 4>"SysType" included in metadata of said metadata repre and the like for processing MPEG for signaling element into its specific value is to <표 6>Such as can be assigned. Said <표 6>"SYS_MP2TS" said "sysType" in one case by the metadata in the MPEG2 provided TS plaque [this type, is "SYS_MMT" metadata "sysType" in one case by the MMTP consists of a packet type. On the other hand, in another embodiment said MPEG2-a TS packet and MMTP signaling packet is for delivering packet structures may have. In addition, the metadata such as xml document into the DASH MPD "SYS_DASH" "sysType" where, in another embodiment, URL information for said xml text metadata TV receiver implementation being. Said <표 6>In an alternative embodiment session number chamber but utilize embodiment assuming that in one implementation the following various forms of metadata can be delivered. Signaling messages (signaling messages) - MMT (Signaling table) - MMT signaling table - MPEG2 section (sections) Additional audio data (audio data) - Additional - bootstrap information for service acquisition (Bootstrap information) (example: URL information) - Meta data is transmitted audio bit stream including audio identifier or service identifier (e.g.: Asset_id) On the other hand, the disclosure other embodiment through general embodiment SysMetaFrame () can be conveys data in a file form, the value of the "sysType" SYS_FILE may have. In addition said SysMetaFrame () not included in file form of the data may be delivered to a significantly different type consisted of accomplishing. In addition, said <표 6>Like a general IP packet or HTML document of sysType expand as well as may be are disclosed. Number 2 in the embodiment><MPEG-a H 3D Audio format MPEG-a H 3D Audio format number 2 in the embodiment is higher than the information required to add said number 1 in the embodiment mpegh3daFrame () are disclosed in the embodiment. Number 2 in the embodiment comprises an audio CODEC usacElementType appending data in the embodiment according to characteristics of a metadata field to field, said usacElementType field mpeg3da USAC (United States Auto Club) is not defined in the nanometer range. The example of embodiment according to mpegh3daFrame disclosure () for an example of <표 7>Such as disclosed. Said <표 7>"Mpegh3daSysMetaElement ()" is in said <표 4>SysMetaFrame () similar to a configured in the form of a narrow slit, detailed description is given of a grammar "mpegh3daSysMetaElement ()" dispensed to each other. Number 3 in the embodiment><MPEG-a H 3D Audio format MPEG-a H 3D Audio format number 3 embodiment can be included in the meta-data describes "mpegh3daConfigExtension". Setting file (Configuration File) number 3 in the embodiment is principally utilized for the cases of modification, one mp4 should file called once. For an example of said mpegh3daConfigExtension <표 8>Such as disclosed. Said <표 8>Of usacConfigExtType is a <표 9>Such as can be defined. Said <표 8>Is said of sysConfig () <표 4>SysMetaFrame () similar to a configured in the form of a narrow slit, said sysConfig detailed description is given of a grammar () dispensed to each other. On the other hand, as described above, the embodiment of the examples include metadata disclosure of cable, satellite, such as via a TV transmission network IP MVPD STB comprising all data are delivered to the TV can be used in. In one example, metadata for said metadata including said audio services included can be a service identifier or UUID (Universally unique identifier). the service identifier for identifying said audio bit stream compressed audio service may be disclosed. In another example said service identifier is associated with said audio service and Image service or Image service for identifying multimedia service including both said audio service may be disclosed. In another embodiment said video/audio data delivered in metadata STB TV that doesn't receive information for reproduction obtained through other transmission medium can be. At this time said wired Internet Wifi network to another medium, such as storage medium can be USB 3G/4G/5G mobile network and the like. In addition said video/audio data acquisition rotates, such as MPEG2 provided TS defined in MPEG, MMT, such as skill or HLS DASH (HTTP Live Streaming) can be standard of technique is used. When the type of the packet format defined in said metadata is metadata schemes of meta data or signaling message along the repre. In another embodiment said TV firmware (Firmware) or various kinds of software (software) applied to metadata or general file of delivery can be used. At this time said bitstream defined in general or in the form of standard group metadata file format, or can be a packet type. the meta data packets are IP packet, UDP (User Datagram Protocol) packet, such as RDP (Remote Desktop Protocol) packet can be defined in various communication system protocols used at the current packet. the application (application) and information related to said metadata further comprises metadata is delivered can be. A method for processing a content by a set-top box according to an embodiment of the present disclosure comprises the steps of: receiving a content including an audio stream; and performing bypassing to output the audio stream to a television (TV) through an output interface without performing a decoding operation for the audio stream, wherein the audio stream includes metadata regarding the content. In set-top box in content processing method, including the steps of contents are received audio stream, said audio stream without performing the third operation, said audio stream output interface (Television) TV through a bypass process which, said audio stream is said content relating to content metadata including processing method. According to Claim 1, said metadata, metadata for the treatment of said system directing type information, service an identifier, which URL (Uniform Resource Locator) comprising at least one navigation for acquiring information, metadata or signaling message format characterized by said packet-formatted content processing method. According to Claim 1, said metadata, content number heating, broadcasting entity, cable network entity, MVPD (Multichannel Video Programming Distributor) produce a content processing method characterized in at least one of. According to Claim 1, said a selected metadata in set-top box, said audio stream generated said meta data processing method further including content metadata the substitution process. According to Claim 1, said method further including content metadata processing process number deformation or upholstery. In a method for playing contents in TV (Television), delivered from said TV set-top box, receives metadata including audio stream, extracting said metadata from said audio stream, metadata for processing deforming said extracted metadata, metadata for playback of media data if said information, said media data to a device and method and apparatus for reproducing information, said metadata information of media data acquisition of media data acquisition of information media transmission processing remain if said step, said predetermined interface and protocol information of media data acquisition of said media data obtained through step, said steps of obtaining a decryption key for decrypting media data, said media data for regenerating said information including the decoded media data reproducing process method for playing back a content. According to Claim 6, MMT signaling message packet including MMTP if said meta data, said metadata analysis unit, said MMTP packets said MMT extracts signaling messages, content metadata identifier of said back, said identifier of said contents using a contents identifier further including obtaining process method for playing back a content. Processing content in set-top box, receives content including audio stream, said audio stream without performing the third operation, said audio stream output interface (Television) TV through a bypass audio processing part wherein, relating to content metadata including said audio stream is said set-top box. According to Claim 8, said metadata, metadata for the treatment of said system directing type information, service an identifier, which URL (Uniform Resource Locator) comprising at least one navigation for acquiring information, said packet-formatted metadata or signaling message format characterized by a set-top box. According to Claim 8, said metadata, content number heating, broadcasting entity, cable network entity, characterized MVPD (Multichannel Video Programming Distributor) produce in at least one of a set-top box. According to Claim 8, and newly creates meta-data, said audio stream said meta data generated metadata from a group consisting meta data generation unit further including set-top box. According to Claim 8, said audio processing section, said metadata back number deformation or cell is a set-top box. In TV (Television) processing content, metadata processing unit processing metadata, the metadata handling said, delivered from said TV set-top box, receives audio stream including metadata, metadata extraction unit and extracting said metadata from said audio stream, for deforming said extracted metadata metadata handling, if said metadata information for reproduction of media data, said media data to a device and method and apparatus for reproducing information, said metadata information of media data acquisition of media data acquisition of information media transmission processing unit if said transferring metadata analysis unit, said predetermined interface and protocol information of media data acquisition of said media data may be obtained through decoding work by media transmission processing unit, said side obtain decoding media data, said media data by using said method and apparatus for reproducing the decoded media data including TV media player. According to Claim 13, said metadata including MMTP MMT signaling message if said meta data packet, said metadata analysis unit, said MMTP packets said MMT extracts signaling messages, content metadata identifier of said back, said media transmission processing section, said identifier of said contents using a contents identifier characterized by obtaining TV.
