CN101202862B - Method and system for generating digital television business - Google Patents
Method and system for generating digital television business Download PDFInfo
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- CN101202862B CN101202862B CN 200710076844 CN200710076844A CN101202862B CN 101202862 B CN101202862 B CN 101202862B CN 200710076844 CN200710076844 CN 200710076844 CN 200710076844 A CN200710076844 A CN 200710076844A CN 101202862 B CN101202862 B CN 101202862B
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Abstract
The invention is applicable to the field of digital communication and provides a generating method and a system for a digital television service. The method includes the following steps: recording programs; detecting and judging whether the program broadcasting time in a program list that is issued in advance is consistent with the actual broadcasting time; if yes, making no changes, and if not, correcting according to the broadcasting time of the recorded program; dividing a new channel and arranging to generate a program broadcasting list and the program arrangement information; playing the recorded program on the divided new channel according to the program broadcasting list; modulating and multiplexly transmitting the played recorded program and the service information generated according to the program arrangement information to a public transmission network. The embodiment of the invention transmits the recorded video programs and the service information generated by arranging the recorded video programs for a client to watch so as to reach the goals of reusing the existing program source to build digital television service and bringing values to the operation business of the digital television service.
Description
Technical field
The invention belongs to the digital communication field, relate in particular to a kind of generation method and system of digital television business.
Background technology
Present domestic Digital Television is flourish, whole TV domain be in one by simulated television in the overall situation of Digital Television integral translation, the digital television business simulated television of comparing can provide more high-quality image quality for the user, bring brand-new visual experience, popularizing of it will be achieved in the near future.
Digital television techniques has been realized uploading defeated a plurality of digital television program stream at a transmission frequency, so on the basis of intrinsic quantity frequency, the number of programs that Digital Television realizes has substantially exceeded simulated television.Along with the increase of number of programs, program source just becomes the problem that presses for solution.
For digital-TV operator,, can take following dual mode in order to make full use of program source:
1, create a new digital television business, the programme content that this digital television business is play is an in progress content in some other digital television business.For managing news station by oneself, present in progress digital television business is CCTV1 and CCTV5 such as new digital television business.CCTV1 plays the news hookup program between 19:00-19:30, CCTV5 plays sports news between 19:30-20:00.Demodulation CCTV1 program between 19:00-19:30, and programme signal is modulated on the frequency of managing news station by oneself, between 19:30-20:00, CCTV5 is done identical operations equally.Can be implemented in like this and manage the news hookup of relaying CCTV1 on the news station between the 19:00-19:30 by oneself, between 19:30-20:00, relay the sports news of CCTV5.This digital television business of realizing by the relay mode can be realized the purpose that reconfigures broadcast to the different channel program, but because the program that such digital television business relied on must be an in progress program on current some frequencies, so the correlation of the time that program and selection are play is too strong.Just say also, just must between 19:00-19:30, play that the time surpasses the 19:30 point and just can't play afterwards again if we want to play the news hookup of CCTV1.
2, the highlight that the some digital television business of replay had been play in current already present digital television business.For the highlight that obtains playing again, traditional way be need record this program, montage, layout, it is more loaded down with trivial details to make program, efficient is not high, has limited the utilization to existing program source greatly.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of generation method of digital television business, is intended to solve digital television business and TV programme plug-flow time tight association in the prior art, and the user can't realize repeating once more watching or the problem of free program request.
The embodiment of the invention is achieved in that a kind of generation method of digital television business, and described method comprises the steps:
Program recording;
Whether the playing programs time of detecting in the programme of judging issue in advance is consistent with actual play time, is then the reproduction time of this program in programme not made an amendment, otherwise revises the reproduction time of this program in programme according to actual play time;
The list of recorded program that the receiving digital television business is issued in advance, wherein, this programme may be modified, and set up recorded program information bank; The selection program comes the programming events information under certain digital television business of layout from this programme information storehouse, thereby generates playing programs tabulation and Promgramming information;
Physical network resource is carried out in logic channel division, under the logical channel of having set up, can realize the increase and the deletion of digital television business, allocate resources to concrete digital television business;
According to described playing programs tabulation, on the new channel of dividing, play described recorded program;
The business information modulation, the multiplexing transmission that generate with the program recording of described broadcast and according to described Promgramming information are online to common transmission.
Another purpose of the embodiment of the invention is to provide a kind of generation system of digital television business, and described system comprises:
The performance recording module is used for program recording;
Programme detects judge module, whether the playing programs time that is used for detecting the programme that judgement issues in advance is consistent with actual play time, be then the reproduction time of this program in programme not made an amendment, otherwise revise the reproduction time of this program in programme according to actual play time;
The Promgramming module is used for the list of recorded program that the receiving digital television business is issued in advance, and wherein, this programme may be modified, and set up recorded program information bank; The selection program comes the programming events information under certain digital television business of layout from this programme information storehouse, thereby generates playing programs tabulation and Promgramming information; And physical network resource carried out in logic channel division, and under the logical channel of having set up, can realize the increase and the deletion of digital television business, allocate resources to concrete digital television business;
The video playback module is used for playing described recorded program according to described playing programs tabulation on the new channel of dividing;
The business information generation module is used for generating business information according to described Promgramming information; And
The modulation multiplex module is used for the program recording of described broadcast and the modulation of described business information, multiplexing transmission online to common transmission.
In embodiments of the present invention, video frequency program of recording and the business information that this video frequency program of recording generates by layout are sent on the common transmission network, watch for client, reached and reused the purpose that existing program source is created digital television business, bring value for digital television business operator, also make things convenient for the client user simultaneously.
Description of drawings
Fig. 1 is the product process figure of the digital television business that provides of the embodiment of the invention;
Fig. 2 is the flow chart of the performance recording that provides of the embodiment of the invention;
Fig. 3 is the structure chart of the generation system of the digital television business that provides of the embodiment of the invention;
Fig. 4 is the structure chart of the performance recording module that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In embodiments of the present invention, video frequency program of recording and the business information that this video frequency program of recording generates by layout are sent on the common transmission network, watch for client, reached and reused the purpose that existing program source is created digital television business, bring value for digital television business operator, also make things convenient for the client user simultaneously.
Fig. 1 shows the product process of the digital television business that the embodiment of the invention provides, and its detailed step is as described below:
In step S101, the digital television program recording source is the TV programme of downward plug-flow, and is each index file of recorded program generation.
In embodiments of the present invention, this index file comprises the time started and the concluding time of each performance recording at least.
In step S102, whether the playing programs time of detecting in the programme of judging issue in advance is consistent with actual play time, is then not make an amendment, otherwise execution in step S103.
In step S103, according to the setting of making amendment of the reproduction time of recorded program, promptly according to the reproduction time of the recorded program temporal information of this program in programme of making amendment.
In step S104, physical network resource is carried out new in logic channel division, on the logic new channel that marks off, add digital television business, then according to the rendition list in the above-mentioned steps, each digital television business is carried out layout, generate playing programs tabulation and Promgramming information.
In embodiments of the present invention, the list of recorded program that needed the digital television business source is issued in advance before this step is tested and is given comments and criticisms, revises the step of programme, stores beginning, the concluding time of each video frequency program in this programme.In this embodiment, judge by playing recorded program whether the reproduction time of the program in the actual play time that detects program and the programme that issue in advance in the digital television business source exists different, promptly recorded program is carried out the calibration of time, be the time that then need revise in the programme to be actual recording time, promptly the time of this programme is made amendment, thereby generated the rendition list by an inputting interface; Otherwise do not process, this programme is supplied following step process as the rendition list, wherein, this rendition list comprises all video frequency programs of this digital service.
Playing programs tabulation and Promgramming information can be passed through HTML (Hypertext Markup Language) (HypertextTransfer Protocol, HTTP) add XML (extensible Markup Language) (Extensible Markup Language, XML) form transmits, promptly use the form encapsulation of data of XML, transmit with http protocol.
In step S105, generate the business information of digital television business according to the arranging service information of above-mentioned steps.
Digital video broadcasting (Digital Video Broadcasting, DVB) stipulated the generation standard of digital television business information in the standard, Promgramming information can be used for filling the segmentation of each business information that defines in the DVB standard, and carry out the business information level other is multiplexing (promptly act between the different business information multiplexing) sends for the transmission rate that has configured according to each class business information then.Configuration for the transmission rate of each class business information can be configured by the mode of configuration file, before business information is admitted to modulator, it is multiplexing to need that also it is carried out system level, promptly be to act on business information and other transport stream (Transport Stream, TS) multiplexing between, be inserted in the TS stream of corresponding channel, and system multiplexing is generally realized by multiplexer, so need be with the multiplexing multiplexer that sends to of business information before system multiplexing, the speed of transmission is followed the transmission rate that is provided with in the configuration file.
In step S106, according to recorded program and index file among the playing programs among step S104 tabulation and the step S101, playing on the channel of being divided in step S104 needs the program play.
Determine the program of current needs broadcast and beginning, the concluding time of this program according to the playing programs tabulation that generates in the above-mentioned steps, analyze the index file of this program then, locate the beginning play position of needs broadcast program fast according to this index file, according to the broadcast of carrying out video frequency program on the logical channel of above-mentioned division.
In embodiments of the present invention, above-mentioned steps S105 and step S106 are parallel processings, therefore do not have order successively.
In step S107, that program recording modulation, the multiplexing transmission play among the business information that generates among the step S105 and the step S106 is online to common transmission.
In embodiments of the present invention, the business information with the digital television business after multiplexing is transferred on the common transmission network.The client user can understand the main business information of this digital television business according to this business information.Wherein, this business information comprises that the network information generates network information table (the NetworkInformation Table that defines in the DVB standard, NIT), logical channel information is from dividing physical network resource in logic, the digital television business tabulation generates SDT Service Description Table (the Service Description Table in the DVB standard, SDT), programming events information generates Event Information Table (the Event Information Table in the DVB standard, EIT), the time and date table (Time and Data Table, TDT) and TOT Time Offset Table TOT (Time OffsetTable), wherein, the EIT table provides the title of incident, time started, time span, running status etc.; The TDT table provides current information of time, and this TDT table is used for decode clock is upgraded; The TOT table provides the relation between local time and the TDT table, and the TOT table is used with the TDT table.
As one embodiment of the present of invention, Fig. 2 shows the flow process of the performance recording that the embodiment of the invention provides, and its step is as described below:
In step S201, the program that transmits on the common transmission network is carried out demodulation, sampling, quantification and decoding again, generate digital TS multiplex stream.
In embodiments of the present invention, the TS multiplex stream is transmitted in common transmission network with the form of analog signal, and the decoding of program promptly is that program is converted into digital signal by analog signal.
In step S202, the TS multiplex stream that above-mentioned steps generates is carried out demultiplexing, resolve and generate the single program stream that need record.
(Program Association Table PAT), analyzes the number of programs that comprises in the TS multiplex stream and ID number of program, filters out needs recorded program TS bag according to this PAT to resolve Program Association Table in the TS multiplex stream.Wherein, single program stream be with digital television business in some digital television business corresponding, in embodiments of the present invention, the TS multiplex stream comprises multi-channel program stream, needs according to this digital television business, what record only is a certain single program stream, and multi-channel program need be flowed demultiplexing is single program stream.
In step S203, record single program stream that the needs that generate among the above-mentioned steps S202 are recorded, and store this recorded program.
In this embodiment, the storage of single program stream can be adopted the mode of piecemeal storage, is about to the file storage of single program stream with a certain size (for example 1M), can be by setting in configuration file for the size of the file of each TS piece of storage.
In step S204, each single program stream is generated index file.
This index file comprises the time started and the concluding time of each performance recording at least, and in embodiments of the present invention, this index file is used for locating the position of each program in the whole information of recorded program of recording.
Certainly, along with recording to the program of certain digital television business, programme information memory space in the index file is increasing, in embodiments of the present invention, by deleting the current certain hour of this index file middle distance all programme informations before, upgrade index file, above-mentioned certain hour can be provided with as required certainly, for example can be set to one month by this certain hour, recorded program before month in the current in time automatic renewal index file.
As an alternative embodiment of the invention, generate playing programs tabulation and Promgramming information, and the channel division that physical network resource is carried out in logic comprises following several sections at least:
1. the list of recorded program issued in advance of receiving digital television business, wherein, this programme may be modified, and set up recorded program information bank; Can save the information bank from this and select program to come programming events information certain digital television business of layout under, tabulate and Promgramming information thereby generate playing programs, wherein:
The playing programs tabulation mainly comprises the rendition list of needs broadcast and the beginning and the concluding time information of each playing programs, this the rendition list is according to the needs of this digital television business programme information in the information bank of recorded program of above-mentioned foundation to be adjusted layout to generate, and is used for identifying the broadcast needs of the program of this digital television business.
The Promgramming information spinner will comprise the network information, the logical channel information under the network, and the digital television business tabulation under the logical channel, and the programming events information under the digital television business etc.
2. physical network resource is carried out in logic channel division, under the logical channel of having set up, can realize the increase and the deletion of digital television business, allocate resources to concrete digital television business.Certainly when the transmission of digital television business, also need this digital television business is identified, for example set the attribute of each digital television business, frequency for example, bandwidth or the like, and some characteristic informations of setting this digital television business, for example Business Name, traffic ID and code check etc.
Fig. 3 shows the structure of the generation system of the digital television business that the embodiment of the invention provides, and the generation system of this digital television business is built in the software unit of server, hardware cell or software and hardware unit, and the part relevant with the embodiment of the invention only is shown.
The generation system of digital television business comprises that performance recording module 11, programme detect judge module 12, Promgramming module 13, video playback module 14, business information generation module 15 and modulation multiplex module 16.
In embodiments of the present invention, performance recording module 11 is used for program recording, record finish after, need test to the list of recorded program that issue in advance in the digital television business source and give comments and criticisms, promptly revise programme, store beginning, the concluding time of each video frequency program in this programme.In this embodiment, programme detects judge module 12, and whether consistent by playing recorded program if detecting the reproduction time of the program in the actual play time of judging program and the programme that digital television business is issued in advance, be that the time that then need revise in the programme is actual recording time, generated the rendition list; Otherwise do not process, this programme is supplied following step process as the rendition list, wherein, this rendition list comprises all video frequency programs of this digital service.
13 controls of Promgramming module generate playing programs tabulation and Promgramming information, and logical partitioning physical network channel.
In embodiments of the present invention, this playing programs tabulation mainly comprises the rendition list of needs broadcast and the beginning and the concluding time information of each playing programs; And the Promgramming information spinner will comprise the network information, the logical channel information under the network, the tabulation of digital television business under the logical channel, and digital television business under information such as programming events information.
Simultaneously, in embodiments of the present invention, physical network resource is carried out in logic channel division, under the logical channel of having set up, can realize the increase and the deletion of digital television business, allocate resources to concrete digital television business.Set the attribute of each digital television business, such as frequency, bandwidth or the like.
Simultaneously, business information generation module 15 is by the business information of above-mentioned Promgramming information generation.
Business information modulation, multiplexing transmission that program recording that modulation multiplex module 16 is play video playback module 14 and business information generation module 15 generate are online to common transmission.The client user can understand the main business information of this digital television business according to this business information.Wherein this business information comprises that the network information generates the NIT table that defines in the DVB standard, logical channel information is from dividing physical network resource in logic, the digital television business tabulation generates the SDT table in the DVB standard, and programming events information generates EIT table, TDT table and the TOT table in the DVB standard.
As one embodiment of the present of invention, as shown in Figure 4, performance recording module 11 further comprises multiplex stream generation module 111, program recording storage module 112, index file generation module 113 and index file update module 114.Wherein, multiplex stream generation module 111 carries out demodulation, sampling, quantification and decoding again with the program that transmits on the common transmission network, generates digital TS multiplex stream; The TS multiplex stream of 112 pairs of generations of program recording storage module is carried out demultiplexing then, resolves to generate the single program stream that need record, and records this list program stream and storage, and index file generation module 113 generates the program indexing file for each program of recording simultaneously; This index file comprises the time started and the concluding time of each performance recording at least, and the position of each program in the whole information of recorded program of recording positioned; Along with recording to the program of certain digital television business, programme information memory space in this index file is increasing, in embodiments of the present invention, index file update module 114 is by all programme informations before the current certain hour of this index file middle distance of deletion, upgrade index file, above-mentioned certain hour can be provided with as required certainly.
In embodiments of the present invention, video frequency program of recording and the business information that this video frequency program of recording generates by layout are sent on the common transmission network, watch for client, reached and reused the purpose that existing program source is created digital television business, bring value for digital television business operator, also make things convenient for the client user simultaneously.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the generation method of a digital television business is characterized in that, described method comprises the steps:
Program recording;
Whether the playing programs time of detecting in the programme of judging issue in advance is consistent with actual play time, is then the reproduction time of this program in programme not made an amendment, otherwise revises the reproduction time of this program in programme according to actual play time;
The list of recorded program that the receiving digital television business is issued in advance, wherein, this programme may be modified, and set up recorded program information bank; The selection program comes the programming events information under certain digital television business of layout from this programme information storehouse, thereby generates playing programs tabulation and Promgramming information;
Physical network resource is carried out in logic channel division, under the logical channel of having set up, can realize the increase and the deletion of digital television business, allocate resources to concrete digital television business;
According to described playing programs tabulation, on the new channel of dividing, play described recorded program;
The business information modulation, the multiplexing transmission that generate with the program recording of described broadcast and according to described Promgramming information are online to common transmission.
2. the generation method of digital television business as claimed in claim 1 is characterized in that, the step of described program recording further comprises the steps:
Generate digital TS multiplex stream;
Resolve and generate single program stream and the described single program stream of recording and storing;
Generate the program indexing file.
3. the generation method of digital television business as claimed in claim 2 is characterized in that, described method further comprises the step of upgrading described index file.
4. the generation method of digital television business as claimed in claim 1 is characterized in that, described playing programs tabulation comprises the rendition list of needs broadcast and the beginning and the concluding time information of each playing programs.
5. the generation method of digital television business as claimed in claim 1, it is characterized in that the programming events information under the logical channel information under described Promgramming packets of information includes network information, the network, the tabulation of the digital television business under the logical channel and the digital television business.
6. the generation system of a digital television business is characterized in that, described system comprises:
The performance recording module is used for program recording;
Programme detects judge module, whether the playing programs time that is used for detecting the programme that judgement issues in advance is consistent with actual play time, be then the reproduction time of this program in programme not made an amendment, otherwise revise the reproduction time of this program in programme according to actual play time;
The Promgramming module is used for the list of recorded program that the receiving digital television business is issued in advance, and wherein, this programme may be modified, and set up recorded program information bank; The selection program comes the programming events information under certain digital television business of layout from this programme information storehouse, thereby generates playing programs tabulation and Promgramming information; And physical network resource carried out in logic channel division, and under the logical channel of having set up, can realize the increase and the deletion of digital television business, allocate resources to concrete digital television business;
The video playback module is used for playing described recorded program according to described playing programs tabulation on the new channel of dividing;
The business information generation module is used for generating business information according to described Promgramming information; And
The modulation multiplex module is used for the program recording of described broadcast and the modulation of described business information, multiplexing transmission online to common transmission.
7. the generation system of digital television business as claimed in claim 6 is characterized in that, described performance recording module further comprises:
The multiplex stream generation module is used to generate digital TS multiplex stream;
The program recording storage module is used for resolving single program stream of generation and the described single program stream of recording and storing; And
The index file generation module is used to generate the program indexing file.
8. the generation system of digital television business as claimed in claim 7 is characterized in that, described performance recording module also comprises:
The index file update module is used to upgrade described index file.
9. the generation system of digital television business as claimed in claim 6 is characterized in that, described playing programs tabulation comprises the rendition list of needs broadcast and the beginning and the concluding time information of each playing programs.
10. the generation system of digital television business as claimed in claim 6, it is characterized in that the programming events information under the logical channel information under described Promgramming packets of information includes network information, the network, the tabulation of the digital television business under the logical channel and the digital television business.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200710076844 CN101202862B (en) | 2007-08-31 | 2007-08-31 | Method and system for generating digital television business |
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| CN 200710076844 CN101202862B (en) | 2007-08-31 | 2007-08-31 | Method and system for generating digital television business |
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| CN101202862A CN101202862A (en) | 2008-06-18 |
| CN101202862B true CN101202862B (en) | 2010-09-15 |
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| CN 200710076844 Expired - Fee Related CN101202862B (en) | 2007-08-31 | 2007-08-31 | Method and system for generating digital television business |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101656875A (en) * | 2008-08-21 | 2010-02-24 | 华为技术有限公司 | Method, system and device for adjusting programme |
| CN102970595B (en) * | 2012-11-28 | 2018-08-28 | 康佳集团股份有限公司 | A kind of data processing method, system and device based on set-top box |
| CN103237264B (en) * | 2013-04-12 | 2017-03-15 | 深圳创维－Rgb电子有限公司 | Internet video player method and device |
| CN103412964A (en) * | 2013-06-13 | 2013-11-27 | 冀洲 | Implementation method of high-efficiency software learning mode |
| CN103442216B (en) * | 2013-08-22 | 2016-09-07 | 中国电子科技集团第三十八研究所 | The calibrating installation of monitor video time and calibration steps thereof |
| CN104135677B (en) * | 2014-08-19 | 2018-12-21 | 青岛海信电器股份有限公司 | A kind of program-related information management method and device |
| CN105933740A (en) * | 2016-06-28 | 2016-09-07 | 无锡天脉聚源传媒科技有限公司 | Method and device for correcting program information in EPG (Electronic Program Guide) |
| CN111294608A (en) * | 2020-02-21 | 2020-06-16 | 广州欢网科技有限责任公司 | Television program list processing method and device and readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298602A (en) * | 1998-12-23 | 2001-06-06 | 皇家菲利浦电子有限公司 | Apparatus for receiving programs |
| CN1794800A (en) * | 2005-11-28 | 2006-06-28 | 深圳市同洲电子股份有限公司 | Digital TV direct playing and playback system and method |
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2007
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298602A (en) * | 1998-12-23 | 2001-06-06 | 皇家菲利浦电子有限公司 | Apparatus for receiving programs |
| CN1794800A (en) * | 2005-11-28 | 2006-06-28 | 深圳市同洲电子股份有限公司 | Digital TV direct playing and playback system and method |
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| CN101202862A (en) | 2008-06-18 |
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Assignee: SHENZHEN COSHIP SOFTWARE ELECTRONICS Co.,Ltd. Assignor: SHENZHEN COSHIP ELECTRONICS Co.,Ltd. Contract record no.: 2011440020236 Denomination of invention: Method and system for generating digital television business Granted publication date: 20100915 License type: Exclusive License Open date: 20080618 Record date: 20110622 |
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Granted publication date: 20100915 |