CN106028065A - Method for realizing interactive television watching effect enhancing system based on metadata control - Google Patents
Method for realizing interactive television watching effect enhancing system based on metadata control Download PDFInfo
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- CN106028065A CN106028065A CN201610454658.9A CN201610454658A CN106028065A CN 106028065 A CN106028065 A CN 106028065A CN 201610454658 A CN201610454658 A CN 201610454658A CN 106028065 A CN106028065 A CN 106028065A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23614—Multiplexing of additional data and video streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8126—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8126—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
- H04N21/8133—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts specifically related to the content, e.g. biography of the actors in a movie, detailed information about an article seen in a video program
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention relates to a method for realizing an interactive television watching effect enhancing system based on metadata control. An extensible metadata dynamic driving model is constructed; key information, such as the time position for effect enhancement, the type of support equipment, an action response manner and a data provider, is defined as standardized metadata; furthermore, the metadata is allowed to be dynamically extended in an operation process; parameters are transferred to effect enhancement equipment through play equipment used by a watcher, such that the working state of the effect enhancement equipment is dynamically controlled; besides provision of light, the sound effect, embedded advertisements and object introduction associated with a film and television content scene, associated information, such as comments and plot branch control, input by users in a watching process in real time, is also allowed to be dynamically published; the effect that the same film and television content can be universally applicable in different environments can be realized; and the interactive television watching effect enhancing system having the standardability, the interconnectivity, the intercommunity and the extendibility is constructed.
Description
Technical field
The present invention relates to a kind of intelligent television technology, watch that effect strengthens the implementation method of system particularly to a kind of interactive TV controlled based on metadata.
Background technology
Interactive television service needs the DTV STB by user side to realize, and watches programme televised live including user, uses demand (telecommunication) service, browses the functions such as all kinds of interactive application, it is provided that be conventional to see video, listen the business of sound accompaniment.Development along with information technology, start to occur in that the equipment that effect strengthens class, such as ambient light, ring curtain wall, panorama are around sound equipment, moving displacement, meteorological simulation etc., and relevant device has been widely used in the high-quality video display playing environment such as 4D movie theatre, IMAX movie theatre.
Proposition along with intelligent television operating system concept, the intelligent television operating system STB terminal of a new generation occurs the most therewith, owing to employing high performance processor, it is in addition to supporting the watching of traditional video frequency program, interactive-TV application is had preferably support, also adds additional the multiple interconnection means such as IP, WiFi, bluetooth, ZigBee simultaneously, thus possess and interconnected with effect enhancing equipment, built small-sized effect strengthen the probability of system in family, enterprises and institutions, public place.
Along with the development of Internet of Things, starting to occur in that the equipment that effect strengthens class, such as ambient light, wall, panorama are around sound equipment etc., but it is less to be limited to content program source, it is impossible to play a role when watching common movie and video programs.Due to these equipment institute accepted standard disunities, working mechanism, processing protocol, applicable scene are also not quite similar, and existing interactive TV program does not the most carry out the standardization of adaptive mode, therefore cause this kind equipment causes device intercommunicating poor, make system constructing relatively costly, further limit large-scale promotion, it is impossible to the effect realizing movie theatre level in user watched environment strengthens.The actual effect building movie theatre level is caused to there is an a lot of difficult problem when strengthening environment.
Summary of the invention
nullThe present interactive TV that the present invention be directed to watches that effect strengthens existing problems，Propose a kind of interactive TV controlled based on metadata and watch that effect strengthens the implementation method of system，Construct extendible metadata dynamic model，The time location that effect is strengthened、Support device type、Action response mode、These key messages of data set provider are defined as normalized metadata，And allow during operation, these metadata are carried out dynamic expansion，The playback equipment used by beholder is strengthened equipment to effect and transmits these parameters，Dynamically control effect and strengthen the duty of equipment，Except providing based on the light associated by movie and television contents scene、Audio、Embedded advertisement、Outside article are introduced，Also allow for user's comment of input in real time in watching process、The related informations such as story of a play or opera Branch control carry out dynamic publishing，Realize same movie and television contents can blanket effect to strengthen under various circumstances，Structure possesses standardization、Interconnecting property、The interactive TV of extensibility watches that effect strengthens system.
The technical scheme is that a kind of interactive TV controlled based on metadata watches that effect strengthens the implementation method of system, specifically include following steps:
1) increase in movie and video programs and strengthen the metadata information of kind equipment for controlling effect, including effect enhancing action time location in film, respond the device type information of this effect, the mode information of reinforced effects response action, the magnitude control information of reinforced effects response action；
2) program that playback equipment selects according to user, actively obtains these movie and video programs and strengthens the metadata information of kind equipment for controlling effect；
3) must actively search the effect under same network every time when playback equipment is started shooting and strengthen kind equipment, playback equipment is as the control centre of implementation effect enhancing action, on be connected to the server of movie and video programs controlling effect and strengthening kind equipment metadata information, under connect effect strengthen kind equipment, formed client-server MS master-slave InterWorking Equipment structure；And effect enhancing kind equipment is started shooting and also must actively be searched playback equipment and carry out network connection every time, join in the equipment control structure of MS master-slave interconnection, realize playback equipment and effect strengthens automatically registering and adaptive between kind equipment, playback equipment strengthens type and the ability of kind equipment according to current connected effect, effect strengthens metadata automatically and is transmitted to effect enhancing kind equipment by its sequencing occurred in playing movie and video programs；
4) effect enhancing kind equipment intercepts the content metadata forwarded by playback equipment, and when effect enhancing kind equipment receives playback equipment metadata, effect strengthens kind equipment and responds accordingly according to playback equipment control instruction.
The server that described playback equipment strengthens metadata to maintenance effects at any time submits to increase effect to strengthen the application of metadata, after server examination & verification, increases new reinforced effects in movie and video programs.
The described effect being connected with playback equipment strengthens kind equipment, according to metadata standard implementation effect enhancing action: when specifically performing, strengthened kind equipment by effect the effect enhancing control metadata mdata_list back end received is resolved, it may be judged whether belong to the action that this equipment should perform；If it is perform according to the data of this node, i.e. on the time parameter time_stamp that this event is specified, strengthened equipment relate_device parameter by this effect to respond, its mode that action is relate_action parameters dictate performed, performed effect amount determines according to relate_data parameter, from there through unified metadata definition, it is achieved effect strengthens the standardization of data.
Described effect strengthens and controls metadata mdata_list back end, for same movie and video programs, has this type of back end multiple to repeat in its metadata, is used for describing different information,
Wherein mdata_id parameter represents that effect strengthens the numbering of metadata, and every action distributes a metadata numbering, even if being defined as starting simultaneously at 2 effect actions of execution, is the most also defined as what 2 metadata numberings were managed.
The beneficial effects of the present invention is: based on the interactive TV that metadata controls, the present invention watches that effect strengthens the implementation method of system, build possess planningization, interconnecting property, the interactive TV of extensibility watch effect enhancing system, make user when watching the movie and video programs possessing effect enhancing, kind equipment can be strengthened with effect and carry out seamless link, it is thus achieved that the viewing experience of movie theatre level；Allow for the social interaction between user simultaneously, preferably excavate the content value of movie and video programs, promote the propagation of outstanding movie and video programs.
Accompanying drawing explanation
Fig. 1 is that the interactive TV based on metadata control that the present invention realizes watches that effect strengthens the schematic diagram of system.
Detailed description of the invention
The present invention proposes the mode using metadata dynamic driving, strengthens parameter by movie and video programs effect and transmits, controls the method that effect strengthens equipment, it is achieved view reception effect strengthens the standardization of system, interconnecting property, extensibility.
In the entire system, define a set of description effect and strengthen the metadata specification controlling parameter, in addition to describing movie and television contents relevant information, also control effect and strengthen the operation of kind equipment.The making of metadata and safeguard to separate and carried out by different mechanisms, in movie and television contents manufacturing process, can generate all kinds of metadata such as the light associated by content scene, audio, embedded advertisement, article introduction；And during the Internet communication of movie and video programs, public audience can also submit respective review information, story of a play or opera Branch control information etc. to.In user watched environment, all kinds of playback equipments (such as intelligent television operating system STB terminal) are when watching these movie and video programs, also can be according to the facility information provided in these metadata, search for currently available effect and strengthen equipment, and transmit, to it, the content metadata specified according to device type.And kind equipment is strengthened for effect, when it turns on the power, automatically can carry out facility registration on playback equipment, and intercept the content metadata forwarded by playback equipment；When receiving metadata, this equipment responds accordingly according to control instruction.This completes the movie and video programs effect when watching and strengthen function.
In the present invention, watch that effect strengthens and has a following type definition:
1) ambient light effects, refers to that the environment light watching in place changes with the story of a play or opera of movie and video programs and carries out brightness, the effect of colourity change, also includes the variation effect bright, dark by multiple luminescent devices；
2) surrounding sound effect, refers to that the multiple stereo speakers watching in place provide the coverage effect of surround sound according to movie and television program content, including 5.1 common sound channel surround sounds, 7.1 sound channel surround sounds, ATOMS panorama sound；
3) ring curtain wall, refer on the circular camber line that the screen in viewing place is disposed in center, place as round dot, 180 degree of semicircles are formed or until 360 degree of complete circle after all screen splicings, the screen of surrounding cincture is play, make beholder be surrounded by video pictures and the multiphonic stereo-phonism of 360 degree, thus produce a kind of uncommon presence and be subject to；
4) moving displacement effect, refers to that the seat watched in place has motor function, can carry out top to bottom, left and right, front and rear with the story of a play or opera change of movie and video programs and move；
5) on-the-spot meteorological simulation effect, laid in referring to watch place water spray, spray, dry, scented device, can be with the story of a play or opera change of movie and video programs, the effect such as wind in simulating natural environment, rain, mist, taste；
6) movie and television contents link effect, refer in watching process, for all kinds of personages occurred in movie and video programs, article, scene, embedded advertisement etc., can be linked by the description outside technological means plus, so that according to beholder's requirement, the screen specified recalls corresponding informative presentations webpage, provides auxiliary direction for beholder；For this type effect, general employing main screen or mobile phone, panel computer are as display terminal；
7) barrage effect, refers to that the review information other beholders provided on screen carries out of short duration display on screen during viewing movie and video programs, the motley radiance that during similar firework display, sky occurs in the air；
In the present invention, the metadata (Metadata) used is the Essential Terms of information system, refer to the structurized data of the one about information resources or data, it it is the structurized description to information resources, its effect is to describe information resources or the feature of data itself and attribute, the tissue of regulation digital information, to identify resource, to evaluate resource, follow the trail of resource change in use, its have location, find, prove, assess, the function such as selection.The most conventionally metadata is regarded as the data about data, or for describing the structural data of data itself.
Generally metadata is made up of multi-level structure, specifically includes that
(1) content structure (Content
Structure), constitution element and definition standard thereof to this metadata are described, including descriptive elements, technical element, managerial element, structural element, such as parameters such as code speech；
(2) syntactic structure (Syntax
Structure), definition metadata structure and how the subregion segmentation tissue of this structure, such as element is described, element choose use rule, element describes method, element structure describes method, structured statement describes language etc.；
(3) semantic structure (Semantic
Structure), the specific descriptions method of definition associated metadata elements, element time institute accepted standard, data form etc. are such as described；
The set of strictly all rules when metadata standard (Metadata Standards) is exactly the concrete object by certain class resource of description.
nullThe present invention's it is critical that，Watch that effect strengthens system for the interactive TV controlled based on metadata，By using XML language (the eXtensible Markup Language that industry is current，Extensible markup language)，Define a set of metadata standard including describing effect enhancing control parameter，Itemize the production source of these movie and video programs、Story introduction、Actors、Director、Length of a film、Poster、Classification、Box office achievement、Prize-winning history、Titbit is introduced、Editors In Action、Stage photo、Outside the conventional movie and video programs information such as film review，Also add the data message strengthening equipment for controlling effect，Including effect enhancing action time location (being exactly that program is played to this effect how long occur) in film、The device type information of this effect can be responded、The mode information of reinforced effects response action、The magnitude control information of reinforced effects response action.
Thus, when user watches this kind of movie and video programs, the program that playback equipment (such as intelligent television operating system STB terminal) can select according to user, the effect actively obtaining these movie and video programs strengthens metadata, and type and the ability of equipment is strengthened according to current connected effect, automatically these effects are strengthened metadata and is transmitted to effect enhancing equipment by its sequencing occurred in movie and video programs.After effect enhancing equipment receives these effects enhancing metadata, i.e. according to the rule included in metadata, carrying out the actions such as light, sound accompaniment, moving displacement, meteorological simulation, barrage, complete movie and video programs watches that effect strengthens.
Flexible expansion ability based on XML language, the present invention allows that this effect is strengthened metadata and carries out Dynamic expansion, it is included in from the time and manufactures, content distribution, during program is play and after process, the person that includes content imaging from participant's angle, contents producer, content sellers, network operator service, final spectators, can be for different user types and use scene, submit to the server safeguarding this metadata at any time and increase the application of effect enhancing metadata, after server is by automatic or manual examination & verification, can be come into operation at once, reach to increase in movie and video programs at any time the purpose of new reinforced effects.
Strengthen equipment for fiting effect and can respond these metadata in movie and video programs playing process at any time, present invention provide that the effect that each playback equipment (such as intelligent television operating system STB terminal) must actively be searched under same network when starting shooting strengthens equipment, playback equipment is as the control centre of implementation effect enhancing action, on be connected to the server of movie and video programs, under connect effect strengthen kind equipment, to form the MS master-slave InterWorking Equipment structure of client-server；And effect enhancing equipment is started shooting and also must actively be searched playback equipment and carry out network connection every time, join in the equipment control structure of MS master-slave interconnection, it is achieved the registration automatically of equipment room and adaptation；Thus user need not to effect strengthen equipment carry out manual configuration, reach this kind equipment plug and play, on-demand use can administrative purposes.
According to aforementioned word, in the present invention, play for program, effect strengthens multiple processes such as control, equipment identification, establishes the metadata standard describing movie and television contents information for movie and video programs, it is directed to effect and strengthens relevant portion, specifically include following content:
{
Video_name, // movie and video programs title
Video_id, // movie and video programs are numbered
video_length,
// movie and video programs duration
{
Mdata_list (), // movie and video programs effect strengthens metadata
}
}
Wherein mdata_list () back end is effect enhancing control metadata defined in the present invention, for same movie and video programs, this type of back end multiple can be had in its metadata to repeat, and to describe different information, its data structure is as follows:
{
mdata_id,
time_stamp,
relate_device,
Relate_action,
Relate_data,
Mdata_contributor,
mdata_mtime
}
Wherein mdata_id parameter represents that effect strengthens the numbering of metadata.In movie and video programs, having the action that thousands of bar effect strengthens, so every action is required for distributing a metadata numbering.In this metadata standard, even if 2 effect actions are defined as starting simultaneously at execution, the most also it are defined as 2 metadata numberings and are managed.So on the one hand, difference can be represented the data of effect effectively to distinguish, additionally also allow for the retrieval to these data and process；
Time_stamp parameter represents the time location that certain effect enhancing action occurs in a program, namely controls program and is played to arise that certain expected effect enhancing action sometime.Situation according to movie and video programs frame each second 24 to 120 frame pictures, it is desirable to this parameter is accurate to millisecond；
Relate_device parameter represents the device type (or subtype) that implementation effect strengthens, namely represent that this effect strengthens the device type that can run of data, perform this for indicating on lighting fixture, on surround speaker, on moving displacement equipment or meteorological simulation equipment and instruct；
Relate_action parameter represents the action executing mode that effect strengthens, and needs to link with relate_device parameter, for the execution method of this reinforced effects of concrete regulation；Effect enhancing action at present includes the actions such as light, sound accompaniment, moving displacement, meteorological simulation, barrage, and future can strengthen equipment and the appearance of method along with new effect and constantly expand；
Relate_data parameter represents the action executing data that effect strengthens, need and relate_device parameter, the linkage of relate_action parameter, and its concrete regulation performs this effect and strengthens the degree of metadata.Such as moving displacement effect, these data can be used for representing the angle (each plane definition becoming 360 degree, then directional information also embodies in angle parameter transmittance process together) that seat runs up at level, Vertical Square；For the simulation spray effect in meteorological simulation effect, this parameter can be used for representing that the aerosol apparatus distance length/width/high data of spacing of spectators, nozzle are relative to spectators' angle in the horizontal and vertical directions, the water yield size (namely simulating general mist/light rain/heavy rain different manufacturers) of spray effect, the persistent period of spray effect.So this metadata standard is when specifically applying, and realizes the accurate control to effect enhancing action by this parameter；
Mdata_contributor parameter represents that effect strengthens the founder of metadata, carries out data maintenance for contacting this founder in time.Such as this metadata can support that new effect strengthens equipment, then can be quickly found out founder, in order to carry out data renewal work；
Mdata_mtime parameter represents that effect strengthens the maintenance time of metadata, is used for carrying out system automation renewal and control is used.After such as certain effect enhancing metadata being revised its expression effect, system can notify to preserve the Servers-all of this metadata, terminal unit is updated, it is ensured that what user was watched is up-to-date reinforced effects.
In the present invention, watch that effect strengthens for same kind of, also support to be further subdivided into subtype, in order to equipment can be strengthened for the effect of different abilities and finely control.Such as ambient light effects, RGB three primary colours colour band, light emitting diode matrix, ceiling delineascope array etc. can be further divided into, so can carry out automatic adaptation for the ability in different places and effect enhancing equipment, it is provided that from basic to senior different bandwagon effects.
So user is when watching this movie and television contents, as long as there being corresponding effect to strengthen equipment in watching environment, it is possible to according to the content metadata of recent renewal, show all kinds of rating reinforced effects.Simultaneously in the playback equipment of user side, strengthen metadata for the effect received and carry out type identification, when finding not have the effect of the type to strengthen equipment, with regard to the content metadata of automatic fitration the type.
In the present invention, it is desirable to the playback equipment that beholder uses, it is necessary to possess bilateral network passage, in order to access movie and video programs publisher server, movie and video programs meta data server, if using some broadcast mode, in addition it is also necessary to real time access streaming media server；This playback equipment must support that the effect defined in the present invention strengthens metadata standard, a movie and video programs meta data server is accessed every one second, so that during playing movie and video programs, receive at any time and resolve the effect enhancing content metadata relevant to this program, and being forwarded to as requested on effect enhancing equipment；This playback equipment must be supported and the interconnection of effect enhancing equipment, and the internetwork connection mode used can be any one of WiFi, Zigbee, bluetooth, but the data transmitted must be effect enhancing metadata defined in the present invention；This playback equipment must support that the connection between effect enhancing equipment keeps function, can be to use regular heartbeat detection mode, or use the long connected mode of TCP, so that playback equipment obtains effect in time and strengthens the duty of equipment, to be confirmed whether successfully forward corresponding effect to strengthen data；Strengthening equipment with multiple effects interconnects to require separate unit playback equipment to support.
In the present invention, require that the effect being connected with playback equipment strengthens equipment and can support this metadata standard, i.e. effect strengthens equipment and strengthens from line flag type belonging to it, the effect of support and represent ability, and after powering, automatically it is attached after searching the playback equipment under same network environment, set up with playback equipment as server end, effect strengthens the equipment control structure that the equipment MS master-slave as client interconnects, and i.e. completes effect and strengthens the automatic registration action of equipment；Require that effect enhancing equipment must support that the connection between playback equipment keeps function, in order to obtain in time and strengthen the effect enhancing content metadata that equipment mates with this effect.
In the present invention, it is desirable to the effect being connected with playback equipment strengthens equipment, according to this metadata standard implementation effect enhancing action.When specifically performing, effect enhancing equipment interconnection the mdata_list back end received resolves, it may be judged whether belong to the action that this equipment should perform.If it is perform according to the data of this node, (it is exactly i.e. that movie and video programs are when be played to this event on the time parameter time_stamp that this event is specified, for certain effect Enhanced time, this time parameter immobilizes), strengthened equipment relate_device parameter by this effect to respond, its mode that action is relate_action parameters dictate performed is (such as moving displacement, seat rocks, light changes, meteorological simulation etc.), performed effect amount determines (such as seat displacement according to relate_data parameter, direction/the angle rocked, height/angle/duration/the water yield etc. of simulation spraying), from there through unified metadata definition, realize effect and strengthen the standardization of data.
Therefore based on the method, the interactive TV that carrying out practically flow process controls based on metadata as shown in Figure 1 watches that effect strengthens the schematic diagram of system, and its main workflow is as follows:
1, during TV and film production, contents producer, content distributor the movie and video programs effect metadata made also synchronously completes making.Also updating the state of this program on movie and video programs publisher server, identifying this program has movie and video programs effect to strengthen metadata simultaneously.
2, beholder is when preparing to watch these movie and video programs, firstly the need of opening playback equipment (such as intelligent television operating system STB terminal etc.), the most effective enhancing equipment in the now playback equipment meeting actively same network of poll, and the interconnection of server-client manner is realized with it.After having new effect to strengthen opening of device, it is also desirable to whether have the playback equipment server as equipment control structure in this network of poll, if having, playback equipment carrying out this effect automatically and strengthens the registration of equipment.
3, beholder receives these movie and video programs on playback equipment, can be broadcasted by traditional broadcast mode by television station, it is also possible to actively initiated program request by beholder's (beholder's first in such as accompanying drawing 1).
4, when beholder commences play out this program, playback equipment, from being dynamically connected movie and video programs publisher server, inquires about this program the most effective enhancing metadata, if having, obtaining concrete effect and strengthening the links and accesses mode of metadata.
5, the playback equipment that beholder is used strengthens metadata according to the mode being updated once every second, the effect periodically receiving this program from movie and video programs meta data server.
6, the playback equipment used by beholder, receive, resolve the content of this effect enhancing metadata, and automatically inquire about the type (as light, sound effect, seat move) of current connected all kinds of effects enhancing equipment, strengthen the corresponding effect of device forwards to these effects and strengthen metadata, effect enhancing equipment the method specified according to metadata standard is shown.
7, all beholders can submit to self-defining effect to strengthen metadata during watching.Beholder 1 as shown in Figure 1, beholder 2, beholder 3, can submit to oneself custom effect interested to strengthen metadata.After by examination & verification, just it is automatically added to movie and video programs effect and strengthens in metadata.Playback equipment used by beholder is at least Tong Bu with movie and video programs meta data server once for each second, therefore after other beholders successfully have submitted self-defining effect enhancing metadata, on the playback equipment of beholder's first, just can automatically get these new content metadatas, and be used for controlling the bandwagon effect of all kinds of effect enhancing equipment.
Claims (4)
1. the interactive TV controlled based on metadata watches that effect strengthens the implementation method of system, it is characterised in that specifically include following steps:
1) increase in movie and video programs and strengthen the metadata information of kind equipment for controlling effect, including effect enhancing action time location in film, respond the device type information of this effect, the mode information of reinforced effects response action, the magnitude control information of reinforced effects response action；
2) program that playback equipment selects according to user, actively obtains these movie and video programs and strengthens the metadata information of kind equipment for controlling effect；
3) must actively search the effect under same network every time when playback equipment is started shooting and strengthen kind equipment, playback equipment is as the control centre of implementation effect enhancing action, on be connected to the server of movie and video programs controlling effect and strengthening kind equipment metadata information, under connect effect strengthen kind equipment, formed client-server MS master-slave InterWorking Equipment structure；And effect enhancing kind equipment is started shooting and also must actively be searched playback equipment and carry out network connection every time, join in the equipment control structure of MS master-slave interconnection, realize playback equipment and effect strengthens automatically registering and adaptive between kind equipment, playback equipment strengthens type and the ability of kind equipment according to current connected effect, effect strengthens metadata automatically and is transmitted to effect enhancing kind equipment by its sequencing occurred in playing movie and video programs；
4) effect enhancing kind equipment intercepts the content metadata forwarded by playback equipment, and when effect enhancing kind equipment receives playback equipment metadata, effect strengthens kind equipment and responds accordingly according to playback equipment control instruction.
The most according to claim 1, the interactive TV controlled based on metadata watch that effect strengthens the implementation method of system, it is characterized in that, the server that described playback equipment strengthens metadata to maintenance effects at any time submits to increase effect to strengthen the application of metadata, after server examination & verification, movie and video programs increase new reinforced effects.
The most according to claim 1, the interactive TV controlled based on metadata watch that effect strengthens the implementation method of system, it is characterized in that, the described effect being connected with playback equipment strengthens kind equipment, according to metadata standard implementation effect enhancing action: when specifically performing, strengthened kind equipment by effect the effect enhancing control metadata mdata_list back end received is resolved, it may be judged whether belong to the action that this equipment should perform；If it is perform according to the data of this node, i.e. on the time parameter time_stamp that this event is specified, strengthened equipment relate_device parameter by this effect to respond, its mode that action is relate_action parameters dictate performed, performed effect amount determines according to relate_data parameter, from there through unified metadata definition, it is achieved effect strengthens the standardization of data.
The most according to claim 3, the interactive TV controlled based on metadata watch that effect strengthens the implementation method of system, it is characterized in that, described effect strengthens and controls metadata mdata_list back end, for same movie and video programs, this type of back end multiple is had to repeat in its metadata, it is used for describing different information
Wherein mdata_id parameter represents that effect strengthens the numbering of metadata, and every action distributes a metadata numbering, even if being defined as starting simultaneously at 2 effect actions of execution, is the most also defined as what 2 metadata numberings were managed.
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| CN201610454658.9A CN106028065A (en) | 2016-06-22 | 2016-06-22 | Method for realizing interactive television watching effect enhancing system based on metadata control |
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| CN201610454658.9A CN106028065A (en) | 2016-06-22 | 2016-06-22 | Method for realizing interactive television watching effect enhancing system based on metadata control |
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| CN112637612A (en) * | 2019-09-24 | 2021-04-09 | 广州虎牙科技有限公司 | Live broadcast platform and interactive video processing method thereof |
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