CN1976430B - Method for realizing previewing mobile multimedia program in terminal - Google Patents
Method for realizing previewing mobile multimedia program in terminal Download PDFInfo
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- CN1976430B CN1976430B CN200610161185XA CN200610161185A CN1976430B CN 1976430 B CN1976430 B CN 1976430B CN 200610161185X A CN200610161185X A CN 200610161185XA CN 200610161185 A CN200610161185 A CN 200610161185A CN 1976430 B CN1976430 B CN 1976430B
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Abstract
A method for previewing mobile multimedia program at terminal includes generating out previewing information of each multimedia program by sending side of multimedia broadcast system, generating multimedia program electronic program guide including service parameter information corresponding to said previewing information by said sending side, sending said program guide and said previewing information to receiving terminal by said sending side, obtaining and displaying relevant previewing information by terminal when certain service channel program in program guide is selected by user.
Description
Technical field
The present invention relates to filed of mobile multimedia broadcasting, relate in particular to a kind of method of by ESG (electron service instruction) multimedia broadcasting program being carried out preview at the mobile multimedia broadcast system receiving terminal.
Background technology
Along with the development of mobile multimedia broadcast system, the quantity of television channel constantly increases, and the channel that can select to watch for the user channel of potential interest (or have) is also more and more.Yet, because the increase of television channel quantity makes the user be difficult to select apace or easily TV programme of oneself liking or the program that will play from many television channel programs.
ESG (Electronic Service Guide, electron service instruction) is and the direct mutual electron service instruction that represents program navigating information of user, operates on user's the terminal equipment.It not only can organize and television channel and the program that is provided be provided according to business/channel, but also program/content play time, program/brief introduction, program classification, the virgin lock of program (or head of a family's control), the prize-winning briefing of program and program hot statistics rank are provided, or the like.
Therefore, manage in the information of receiving terminal ESG, and provide intelligentized, with the function of the previewing programs of user-friendly interface, can help the user from numerous TV programme, to select interested TV programme easily apace or easily, and help user's decision whether to watch this program.
But the management that prior art is carried out the information of ESG, the timetable that only provides TV programme to play promptly comprises a series of menu screen that has corresponding to the grid array of different TV programme and time.The user can make the grid roll screen to watch the business/cannel broadcast time of those TV programme in the different time periods.Obviously, there is certain limitation in this method, can not select program that too big help is provided to the user.
For this reason, the organization and administration that the information of ESG is carried out, making the user select program to watch in terminal from numerous television services channels by ESG, be one and have challenging task, also is an important topic that must solve in the mobile multimedia broadcast system.
Summary of the invention
Purpose of the present invention just is to provide a kind of method of mobile multi-media broadcast program being carried out preview in terminal, helps the terminal use to select the TV programme that will watch by electron service instruction.
Technical scheme of the present invention is as follows:
A kind of terminal that is implemented in may further comprise the steps the method that mobile multi-media program carries out preview:
(1) generates the pre-review information of each multimedia programming at the transmitter side of multi-media broadcasting system;
(2) generate the electron service instruction of multimedia programming at the transmitter side of multi-media broadcasting system, in electron service instruction, be provided with pre-review information corresponding service parameter information with each program;
(3) transmitter side sends to receiving terminal with described electron service instruction and pre-review information;
When (4) user selected certain business channels program in the electron service instruction, terminal was by the pre-review information corresponding service parameter information of this business channels program in the business guide, obtained and showed corresponding pre-review information.
In the said method, described business guide is the individual-layer data library structure, and it comprises traffic table, professional extend information table, (program) layout table, contents table and service parameter table many levels at least.
In the said method, described pre-review information is the video of TV programme, or the film clips of TV programme, or picture, or character introduction.
In the said method, transmitter side is the described pre-review information of broadcast transmission in the multiplexed frame of mobile multimedia broadcast system.
In the step of said method (4), when the terminating receiving end was selected the preview of certain program in the business guide, terminal can be downloaded, be stored film clips or the literal or the picture of also display program preview, perhaps plays the video of one section current program in real time.
The present invention helps the user to select and watch program by selected TV programme being provided the method for preview in ESG.Compared with prior art, the present invention has fully expanded the function of existing ESG program log, it has utilized the technical characterstic of existing ESG, utilize the mechanism of multiplexed frame broadcasting transmission video preview content in the mobile multimedia broadcast system, provide a kind of implementation method of ESG previewing programs function to user terminal, greatly improved the availability of ESG.
Description of drawings
Fig. 1 is that ESG and the preview on mobile terminal screen realizes schematic diagram;
Fig. 2 is the represent structural representation of ESG in terminal
Fig. 3 is the schematic diagram of the database hierarchy structure of ESG;
Fig. 4 shows the flow chart of an embodiment of pre-review information in terminal for the present invention.
Embodiment
The invention provides a kind of method of selecting TV programme by the TV programme pre-review information with the help user.
The transmitter side of mobile multimedia broadcast system generates the pre-review information of each multimedia programming, and the content of pre-review information can be the video of current TV programme/content, can be the film clips of this program, also can be literal or picture.Transmitter side is provided with the pre-review information corresponding service parameter information (terminal is obtained preview video by this access parameter) with each program in ESG information when generating the ESG information of multimedia programming.Transmitter side sends to above-mentioned ESG and pre-review information the receiving terminal of mobile multimedia broadcast system.Terminal receives and downloads ESG and program preview information, comprises the preview bag of the video flowing that comprises program, perhaps film clips/the literal of program/picture.
Above-mentioned pre-review information is a broadcast transmission in the multiplexed frame (comprising video-frequency band, audio section and data segment) at mobile multimedia broadcast system.
The method according to this invention, when user terminal is selected certain specific channel program from ESG, terminal is obtained the pre-review information of this channel program correspondence of having downloaded by the business parameters data among the ESG, and processing comprises the preview bag of the video flowing of program, film clips/literal of perhaps having downloaded/picture, to form the video preview signal, preview is presented on the screen of terminal then.
The present invention is described in more detail with specific embodiment with reference to the accompanying drawings below:
Fig. 1 is a schematic diagram of realizing preview on portable terminal.Can see that the preview window only accounts for the sub-fraction of terminal display, can use less broadcast bandwidth transmission preview video like this, reduce the requirement of video preview broadcast bandwidth.
Because preview only need be presented on the sub-fraction of screen, thereby the file of pre-review informations such as picture and film clips can be less, makes it possible to take less terminal internal memory or memory space, reduced the requirement of preview to terminal.
The transmitter side of mobile multimedia broadcast system generates the ESG of multimedia programming, and the pre-review information of each multimedia programming.In ESG, be provided with pre-review information corresponding service parameter information with each channel program.
The mobile multimedia broadcast system transmitter side sends to user terminal with above-mentioned ESG and pre-review information.Wherein, vision signal is gone out through digitlization, compression, multiplexing and broadcast transmission, audio signal and data message are gone out through multiplexed broadcast transmission.Wherein pre-review information is a broadcast transmission in the multiplexed frame of multimedia broadcasting.
User terminal receives preview video and audio frequency and ESG data etc., and is stored in terminal by decoder.
Fig. 2 is a schematic diagram of realizing preview in terminal by ESG.When the user when terminal is opened ESG, ESG is shown as multilayered structure in terminal, these stratum levels are followed successively by channel data table, program log, listing by descending.。
Described channel data table is the maximum data structure in the level.This table comprises whole channels that user terminal receives.
Next hierarchical data structure of described channel data table is a program log, and the program log of channel is to arrange according to the order of sequence by the timeslice of program to provide.Each timeslice comprises time started, concluding time (or duration).The timeslice of each program provided according to concrete channel and concrete date.Program log finds the time started corresponding to given program, and adds in order the duration of program.Program log can be preserved the Pgmtime information in one day or 3 days or a week.
The data structure of next level of described program log is a listing, and it comprises the various description attributes of program, for example, and programm name, summary etc.
Usually, to visit ESG earlier during user's TV reception.When the user selects and activates in the above-mentioned listing some programs in terminal by keyboard, user terminal is according to the business parameters data of the pre-review information of this business channels program correspondence in the business guide, the control decoder obtains the pre-review information of this program correspondence by demultiplexing, and processing comprises the preview bag of the video flowing of program, film clips/literal of perhaps having downloaded/picture, to form the video preview signal, preview is presented on the preview window of terminal then.
When pre-review information is the video of current television channel program, can be in the instant content of playing one section program of the preview window; When pre-review information was film clips, picture, literal, the preview window can show these film clips/pictures/literal.
Terminal can realize above-mentioned preview, is the institutional framework of ESG.Fig. 3 has provided the institutional framework schematic diagram of ESG of the present invention, is the individual-layer data library structure.Realize the described preview function of Fig. 1 and Fig. 2, ESG comprises professional base table, professional extend information table, (program) layout table, contents table and service parameter table at least, wherein:
Described traffic table comprises record identification, record length, encryption indication, service language kind quantity, service language kind, Business Name, professional classification, service parameter call number, service identification and key acquiring way, etc.Described record identification is the ID of data record; Described record length is represented the length of this record; Described encryption is designated as the content-encrypt indication, and wherein " 1 " expression is encrypted.Described service language kind quantity is the quantity of the language of business channels description, and a business channels may be described by multilingual; Described service language kind is the classification of business channels descriptive language; Described Business Name is represented the title of television channel; Described professional classification is the classification that this business belongs to, described service parameter call number is to obtain professional play parameter information according to this index from professional parameter list, such as audio/video coding algorithm types, video resolution, audio sample rate etc., the service parameter table contains the information of some access service of user, and terminal is obtained preview video by this visit information.Described service identification is represented traffic ID, is that the overall situation is unique, has identified a business uniquely in Mobile Multimedia Broadcasting transmission multiplexed frame; The key acquiring way is represented to be left CA information and is obtained inlet, which kind of approach to obtain professional key information by.
Described professional extend information table comprises record identification, record length, service language kind quantity, service language kind, business description, service language, media data purposes, media data type, media data length, media data, extend information, extend information length, etc.Described record identification is represented the ID of business datum record, is that the overall situation is unique, is consistent with the record identification of corresponding table.Described record length is represented the length of this record.Described service language kind quantity is the quantity of the language of business channels description, and a business channels may be described by multilingual; Described service language kind is the classification of business channels descriptive language; Described business description is that business is illustrated and describes, and has multilingual/literal and is described.Described service language illustrates the language that professional sound accompaniment is adopted, and the language of business/channel for example is such as Chinese, Korean etc.; Described media data purposes is represented the type of this media data, for example, and video, picture, text, etc.; The media file of business/channel that described media data type representative is provided, this document may be sound, picture and video, this field is used for showing the URI of media file.Described media data length is represented the length of file.Described media data is a binary data.Described extend information is professional target extended field, description and the more information that current frequency range/business is relevant; Obtaining by exchange channels, is a URI.Described extend information length is represented the length of file.Described extend information is a binary data.
Described contents table comprises record identification, record length, encryption indication, theme, category of language, classifying content, duration, category of language, summary, keyword, language, subtitle language, sound accompanying language, media data type, media data purposes, media data length, media data, extend information, extend information length, extend information data, etc.Described record identification is the ID of content-data, is that the overall situation is unique; Described record length is the length of this record.Described encryption is designated as business/channel and encrypts indication, and wherein " 1 " expression is encrypted; Described theme is the title of content, may describe with multilingual.Described category of language is as the language of describing theme.Described classifying content is represented the type of content, for example, and sound, picture, video or application.The described duration is the time span of the broadcast of interior perhaps program, and unit is second; Described category of language is that the described summary of language of making a summary as description is the simple description of content; Described keyword is a searching key word, can comprise a plurality of keywords; The described subtitle language of language that described language representation's content is adopted is the language that captions adopt; Described sound accompanying language is represented the language that the content sound accompaniment is adopted, and is for example Chinese, in/English etc.; Described media data purposes is represented the type of this media data, for example, and video, picture, text, etc.; The media file of business/channel that described media data type representative is provided, this document may be sound, picture and video, this field is used for showing the URI of media file; Described media data length is represented the length of file; Described media data is represented binary data; Described extend information is the extended field of traffic table, describes and the more information that current frequency range/business is relevant, obtain by exchange channels, and be a URI; Described extend information length is represented the length of file.Described extend information data representation binary data.
Described layout table comprises record identification, record length, business record sign, content record sign, theme, time started, encryption indication, live broadcast, replay, key acquiring way, etc.Described record identification is the ID of visit data, is that the overall situation is unique.Described record length is represented the length of this record.Described business record sign is the ID of the record of business/channel under the content, is that the overall situation is unique.Described content record sign is the ID of content-data, is that the overall situation is unique.The described title that themes as content may be described with multilingual; The described time started is the time that content begins, and adopts the UTC time.Described encryption indication provides the content-encrypt indication, and " 1 " expression is encrypted.Described live broadcast is live indication, and " 1 " expression is live.Described replay is the playback indication, and " 1 " expression is replayed; The key acquiring way is represented to be left CA information and is obtained inlet, which kind of approach to obtain professional key information by.
Described service parameter table comprises record identification, record length, service parameter, etc.Described record identification is the ID of visit data, is that the overall situation is unique; Described record length is represented the length of this record; Described service parameter is represented the audio frequency and video parameter, such as audio/video coding algorithm types, video resolution, audio sample rate etc.。
The main field relevant with realizing preview comprises in above-mentioned each table:
(1) in the traffic table, field " Business Name " provides the information such as title of the business channels of preview realization;
(2) in the professional extend information table, from field " media data purposes " as can be seen this media data whether be pre-review information; If " preview " information, then obtain the type of this pre-review information by field " media data type ".
(3) in the contents table, field " theme " has provided the content of the program of wanting preview.
(4) in the Promgramming table, according to the current time, and field " time started ", the content of the program of decision institute preview;
(5) in the service parameter table, field " service parameter " has provided terminal and obtained the parameter that comprises needed pre-review information when opening ESG.
When the user selected certain each channel program among the ESG, terminal was according to ESG information described above, can obtain pre-review information automatically and showed.
Fig. 4 is the flow chart that an embodiment of pre-review information was obtained and shown to terminal.When user one opens terminal, just begin to receive ESG and pre-review information, and be stored on the terminal.When the user clicks channel, will show the preview video or the picture of this business channels on the preview window of this terminal screen, implementation procedure is as follows:
1, on user terminal, shows ESG; Comprise following process:
From the information of the basic description list of ESG, obtain information such as ESG table sign, service identification; Determine the multiplexed sub frame of transmission ESG according to service identification, and discern and obtain the ESG table information of multiplexed sub frame transmission by the ESG table.Field " media data purposes " from the professional extend information table that is received judges whether it is pre-review information; If " preview " information, then wait the type of this pre-review information of acquisition by field " media data type ".
2, the user selects on ESG and the activating service channel, and terminal memory user wants the television channel of preview.
3, terminal control decoder accesses comprises the preview video stream of the channel of wanting preview.
4, terminal processes preview video stream is so that form preview video.
5, terminal shows preview video on the preview window.
Claims (9)
1. one kind is implemented in terminal to the method that mobile multi-media program carries out preview, may further comprise the steps:
(1) generates the pre-review information of each multimedia programming at the transmitter side of multi-media broadcasting system;
(2) generate the electron service instruction of multimedia programming at the transmitter side of multi-media broadcasting system, in electron service instruction, be provided with pre-review information corresponding service parameter information with each program;
(3) transmitter side sends to receiving terminal with described electron service instruction and pre-review information;
When (4) user selected certain business channels program in the electron service instruction, terminal was by the pre-review information corresponding service parameter information of this business channels program in the described electron service instruction, obtained and showed corresponding pre-review information.
2. the method for claim 1 is characterized in that: described pre-review information is one or more in the video, film clips, picture, literal of TV programme.
3. the method for claim 1, it is characterized in that: described electron service instruction is the individual-layer data library structure, it comprises traffic table, professional extend information table, Promgramming table, access list and contents table at least, described program and pre-review information corresponding service parameter information are included in these tables.
4. method as claimed in claim 3 is characterized in that: in the described traffic table, comprise the Business Name field, this field has provided the title of the business channels that comprises preview; Comprising media data purposes field in the described professional extend information table, whether be pre-review information, and the media data type field if describing media data, describes the type of pre-review information; In the described contents table, comprise subject field, provided the title of the program of wanting preview; In the described Promgramming table, comprise the time started field, the content of the program of decision institute preview; In the described service parameter table, comprise the service parameter field, provided the parameter that terminal is obtained needed pre-review information.
5. the method for claim 1, it is characterized in that: in the described step (3), transmitter side is the described pre-review information of broadcast transmission in the multiplexed frame of multimedia broadcasting.
6. the method for claim 1, it is characterized in that: described step (3) comprises that further terminal downloads also stores described electron service instruction and pre-review information.
7. the method for claim 1, it is characterized in that: in the described step (4), electronic program guides is shown as the hierarchical multi-layer aggregated(particle) structure in terminal, and its stratum level is followed successively by channel data table, program log, listing by descending.
8. method as claimed in claim 7 is characterized in that: the channel list that described channel data table explicit user terminal is comprised; Described program log comprises the reproduction time of each program; Described listing, i.e. the tabulation of channel program comprises title, captions, the summary of each program.
9. method as claimed in claim 2 is characterized in that: in the described step (4), terminal shows film clips or the literal or the picture of pre-review information, the perhaps video of playblast information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610161185XA CN1976430B (en) | 2006-12-11 | 2006-12-11 | Method for realizing previewing mobile multimedia program in terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200610161185XA CN1976430B (en) | 2006-12-11 | 2006-12-11 | Method for realizing previewing mobile multimedia program in terminal |
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| CN1976430A CN1976430A (en) | 2007-06-06 |
| CN1976430B true CN1976430B (en) | 2010-12-01 |
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| CN200610161185XA Expired - Fee Related CN1976430B (en) | 2006-12-11 | 2006-12-11 | Method for realizing previewing mobile multimedia program in terminal |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101277160B (en) * | 2008-05-09 | 2011-08-24 | 中兴通讯股份有限公司 | Method for previewing programs and apparatus thereof |
| CN102404690B (en) * | 2010-09-13 | 2016-08-03 | 中兴通讯股份有限公司 | The transmission method of previewing pictures in video files and system |
| CN102480641A (en) * | 2010-11-25 | 2012-05-30 | 中兴通讯股份有限公司 | Method and device for realizing mobile phone TV program preview |
| CN102098570B (en) * | 2011-02-23 | 2013-05-08 | 深圳创维数字技术股份有限公司 | Digital television information playing method and system |
| CN103108236A (en) * | 2011-11-15 | 2013-05-15 | 中兴通讯股份有限公司 | Method for previewing and playing of mobile television (TV) programs and corresponding system |
| CN105744349A (en) * | 2014-12-11 | 2016-07-06 | 北京融合视讯科技有限公司 | OTT and digital television integrated terminal channel switching method and apparatus, and terminal |
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2006
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