CN101854513A - Digital television interaction method, equipment and system - Google Patents

Digital television interaction method, equipment and system Download PDF

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Publication number
CN101854513A
CN101854513A CN201010110468A CN201010110468A CN101854513A CN 101854513 A CN101854513 A CN 101854513A CN 201010110468 A CN201010110468 A CN 201010110468A CN 201010110468 A CN201010110468 A CN 201010110468A CN 101854513 A CN101854513 A CN 101854513A
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China
Prior art keywords
digital
data
digital television
interactive
receiving terminal
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CN201010110468A
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Chinese (zh)
Inventor
易睿
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Shenzhen Coship Electronics Co Ltd
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Shenzhen Coship Electronics Co Ltd
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Priority to CN201010110468A priority Critical patent/CN101854513A/en
Publication of CN101854513A publication Critical patent/CN101854513A/en
Priority to PCT/CN2011/070594 priority patent/WO2011095094A1/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/173Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309Transmission or handling of upstream communications
    • H04N7/17318Direct or substantially direct transmission and handling of requests
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/475End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The embodiment of the invention provides a digital television interaction method. The digital television interaction method comprises the following steps of: acquiring interactive data from a digital television receiving terminal when digital television program data is broadcast to the digital television receiving terminal; processing the interactive data to obtain interactive digital television program data; and transmitting the interactive digital television program data to the digital television receiving terminal. Correspondingly, the embodiment of the invention also provides a digital television front-end server, the digital television receiving terminal and a digital television interaction system. Through the digital television interaction method, the digital television receiving terminal, the digital television front-end server and the digital television interaction system, users can perform interaction conveniently when watching digital television programs.

Description

A kind of digital television interaction method, equipment and system
Technical field
The present invention relates to digital TV field, relate in particular to a kind of digital television interaction method, equipment and system.
Background technology
Development along with the digital TV field technology, each manufacturer all in the active development new technology in the hope of satisfying the more and more higher demand for experience that the user constantly proposes, and present digital television system often can only allow the user fully passive watch various digital television programs, and can not allow the user when watching Digital Television, carry out effective interaction by digital TV network and other users.
On the other hand, development along with Internet technology, growing field and product all adopt and integrated this technology, digital television system has also produced the bi-directional digital set-top box integrated after this technology, the utilization of 3G technology simultaneously, promoted the speed of wireless transmission greatly,, also laid a good foundation simultaneously for portable terminal carries out communicating by letter of big data quantity with the Internet for the Digital Video Broadcasting Handheld user has brought more interaction function.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of digital television interaction method, equipment and system, can be when watching digital television program, obtain user's interactive data and be uploaded to digital TV front-end server, issuing interactive digital television program data after the program making of latter's process data processing have realized that the user can carry out interaction easily when watching digital television program.
The embodiment of the invention provides a kind of digital television interaction method, and described digital television interaction method comprises:
When receiving terminal for digital television broadcast digital TV program data, obtain interactive data from described receiving terminal for digital television;
Described interactive data is handled, obtained the interactive digital TV program data;
Transmit described interactive digital TV program data to described receiving terminal for digital television.
Correspondingly the embodiment of the invention provides a kind of digital TV front-end server, and described digital TV front-end server comprises:
The radio and television unit is used for to receiving terminal for digital television broadcast digital TV program data;
Acquiring unit is used for obtaining interactive data from described receiving terminal for digital television;
Processing unit is used for the described interactive data that acquiring unit gets access to handled obtaining the interactive digital TV program data, and meets at the radio and television data cell and transmit described interactive digital TV program data to receiving terminal for digital television.
Correspondingly the embodiment of the invention provides a kind of receiving terminal for digital television, and described receiving terminal for digital television comprises:
The radio and television receiving element is used for obtaining the digital television program data from digital TV front-end server;
The interactive data acquiring unit is used to obtain user's interactive data, and described interactive data comprises any one or more in user version data, voice data and the video data;
The interactive data uploading unit is used for uploading described interactive data to digital TV front-end server.
Correspondingly the embodiment of the invention also provides a kind of digital television interaction system, comprises digital TV front-end server and receiving terminal for digital television, wherein:
Described digital TV front-end server is used for transmitting the broadcast digital TV program data to receiving terminal for digital television, obtain interactive data from described receiving terminal for digital television, the described interactive data that acquiring unit is got access to is handled and is obtained the interactive digital TV program data, and transmits described interactive digital TV program data to receiving terminal for digital television;
Described receiving terminal for digital television is used for receiving described broadcast digital TV program data from described digital TV front-end server, obtain user's interactive data simultaneously and be uploaded to described digital TV front-end server, receive described interactive digital TV program data from described digital TV front-end server.
The embodiment of the invention is by when watching digital television program, obtain user's interactive data and be uploaded to digital TV front-end server, issuing interactive digital television program data after the program making of latter's process data processing have realized that the user can carry out interaction easily when watching digital television program.
Description of drawings
Fig. 1 is the composition structural representation of a kind of digital television interaction system in the embodiment of the invention;
Fig. 2 is the composition structural representation of a kind of digital TV front-end server in the embodiment of the invention;
Fig. 3 is the composition structural representation of a kind of receiving terminal for digital television in the embodiment of the invention;
Fig. 4 is the embodiment schematic flow sheet of a kind of digital television interaction method of the present invention;
Fig. 5 is another embodiment schematic flow sheet of a kind of digital television interaction method of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is the composition structural representation of a kind of digital television interaction system in the embodiment of the invention, and this digital television interaction system comprises digital TV front-end server and receiving terminal for digital television as shown in the figure, wherein:
Described digital TV front-end server is used for to receiving terminal for digital television broadcast digital TV program data, obtain interactive data from described receiving terminal for digital television, the described interactive data that acquiring unit is got access to is handled and is obtained the interactive digital TV program data, and transmits described interactive digital TV program data to receiving terminal for digital television;
Described receiving terminal for digital television is used for receiving described digital television program data from described digital TV front-end server, obtain user's interactive data simultaneously and be uploaded to described digital TV front-end server, receive described interactive digital TV program data from described digital TV front-end server.Described receiving terminal for digital television is set-top box, network protocol television (IPTV), digital TV integrated machine, Digital Video Broadcasting Handheld or the computer of watching radio and television by the Internet customization.Receiving terminal for digital television can pass through built-in or external user data collecting device, and for example keyboard, camera, microphone etc. obtain user's interactive data.
Fig. 2 is the composition structural representation of a kind of digital TV front-end server in the embodiment of the invention, and this digital TV front-end server comprises radio and television unit 101, acquiring unit 102 and processing unit 103 as shown in the figure, wherein:
Radio and television unit 101 is used for to receiving terminal for digital television digital television program data.Particularly, radio and television unit 101 can be by transmitting stream (Transport Stream, TS) or transmission control/Internet protocol (Transmission Control Protocol/Internet Protocol, TCP/IP) transmit described digital television program data to digital TV set-top box, digital TV integrated machine or network protocol television, can transmit described digital television program data by the computer of ICP/IP protocol, also can send this digital television program data to mobile communication terminal by the 3G mobile communication protocol to the login the Internet.
Acquiring unit 102 is used for obtaining interactive data from described receiving terminal for digital television.Particularly, the computer of digital TV set-top box, digital TV integrated machine, network protocol television and login the Internet can pass through bilateral network, for example: the TCP/IP network is uploaded interactive data to digital TV front-end server, and mobile communication terminal can adopt the 3G mobile communications network to upload described interactive data to digital TV front-end server.Described interactive data can comprise lteral data, voice data and video data, and for example the user also can be all kinds of news programs that the user makes to the literal short commentary of TV programme, audio frequency message, video clip evaluation etc.
Processing unit 103 is used for the described interactive data that acquiring unit 102 gets access to handled and obtains the interactive digital TV program data, and meets at radio and television unit 101 and transmit described interactive digital TV program data to receiving terminal for digital television.Particularly, described processing unit 103 may further include:
Data collection module is used for the interactive data that acquiring unit 102 gets access to is collected, put in order and processing such as classification;
The program making module, be used for obtaining the data that process is compiled from data collection module, as required data are carried out program making, obtain the interactive digital TV program data, specifically can be made into brand-new program data, also can superpose and obtain the program data that superposes, show if the literal interactive data then can directly superpose on program with original program data;
Release module is used for obtaining described interactive digital TV program data and meeting at radio and television unit 101 from the program making module broadcasting to receiving terminal for digital television.
This digital TV front-end server can also comprise further:
Audit unit 104 is used for the described interactive data that described acquiring unit 102 gets access to is examined, and audit is handled by then transferring to processing unit 103.Further this audit unit 104 also can the 103 pairs of interactive datas in pending unit carry out preliminary treatment, for example collect, put in order finish after, this interactive data is examined, audit being for further processing by then meeting at processing unit 104.Described audit can be according to the audit regulation of country and local relevant radio and television and film video, for example with reference to government broadcasting film and television portion to the auditing standards of film is:
Movie film forbids being loaded with following content:
(1) harm unification of the country, sovereignty and territorial integrity;
(2) harm national security, honor and interests;
(3) instigate separation of nationalities, undermine national unity;
(4) reveal state secret;
(5) advocate illicit sexual relation, serious unlawfulness, or content salaciousness have strong stimulus to the sense organ, tempting degeneration;
(6) advocate feudalistic superstition, seduce the people, upset social public order;
(7) play up the homicide violence, instigate people's set at the law naught dignity, bring out crime, the destruction public order;
(8) calumniate, humiliate other people;
(9) other content that national regulation forbids is arranged.
Can examine to the definition of interactive data and with the degree of correlation of former program theme in addition, only meet interactive data that audit requires give by.
This digital TV front-end server can also comprise further:
Authentication ' unit 105 is used for obtaining from described receiving terminal for digital television user's authentication request, and described authentication request is authenticated, and authentication is by then allowing described acquiring unit to obtain interactive data from described receiving terminal for digital television.Described user's authentication request can comprise user ID and the password that the user imports and uploads by input equipment, digital TV front-end server can carry out authentication to this user ID and password after obtaining this authentication request, for example, whether has upload permissions etc. by the user ID inquiring user by password authentification user's identity.
Fig. 3 is the composition structural representation of a kind of receiving terminal for digital television in the embodiment of the invention, and this receiving terminal for digital television comprises Digital Television receiving element 201, interactive data acquiring unit 202 and interactive data uploading unit 203 as shown in the figure, wherein:
Digital Television receiving element 201 is used for obtaining the digital television program data from digital TV front-end server.Specifically can obtain described digital television program data by television network broadcast, the Internet or 3G mobile communications network.
Interactive data acquiring unit 202 is used to obtain user's interactive data, and described interactive data comprises any one or more in user version data, voice data and the video data.Particularly, described interactive data acquiring unit 202 can comprise user data collecting devices such as keyboard, camera, microphone, can be that digital TV terminal is built-in, also can be that receiving terminal for digital television passes through the external collecting device of interface.Described interactive data can for the user to the comment of TV programme, at audio frequency message, video frequency program or the user of TV programme made to occurring in the news video-with-audio recording of big mishap at one's side.
Interactive data uploading unit 203 is used for uploading described interactive data to digital TV front-end server.Particularly, when receiving terminal for digital television is the computer of digital TV set-top box, digital TV integrated machine, network protocol television and login the Internet, can upload interactive data to digital TV front-end server with ICP/IP protocol, can adopt the 3G mobile communication protocol to upload described interactive data during for portable terminal to digital TV front-end server.
Fig. 4 is the embodiment schematic flow sheet of a kind of digital television interaction method of the present invention, and the present embodiment receiving terminal for digital television is a Digital Video Broadcasting Handheld, and this embodiment flow process comprises as shown in the figure:
Step S401 when receiving terminal for digital television broadcast digital TV program data, obtains interactive data from described receiving terminal for digital television.In the specific implementation, Digital Video Broadcasting Handheld can obtain the digital television program data from digital TV front-end server by the 3G mobile communications network, when watching digital television program, can gather user's interactive data, described interactive data can be the comment of user to TV programme, audio frequency message at the TV programme made, video frequency program or user are to occurring in the news video-with-audio recording of big mishap at one's side, for example can comprise by cell phone keyboard input characters data, take pictures and video data and by microphone recording audio data by built-in camera, and upload described interactive data by the 3G mobile communications network to digital TV front-end server equally.
Step S402 handles described interactive data, obtains the interactive digital TV program data.In the specific implementation, described interactive data is handled and can be comprised: to collection, arrangement, the classification of interactive data; Need carry out program making to data to passing through compile data based, obtain the interactive digital TV program data, specifically can be made into brand-new program data, also can superpose and obtain the program data that superposes, show if the literal interactive data then can directly superpose on program with original program data.
Step S403 transmits described interactive digital TV program data to described receiving terminal for digital television.After the interactive digital TV program data creating is finished, digital TV front-end server watches that to all customizations the receiving terminal for digital television of the digital television program of this front-end server issues described interactive digital TV program data, comprises set-top box, network protocol television, digital TV integrated machine, Digital Video Broadcasting Handheld and watches the computer of Digital Television by the Internet customization.
The Digital Video Broadcasting Handheld of present embodiment is by when watching digital television program, collect user's interactive data and upload digital TV front-end server, the latter is through issuing interactive digital television program data timely after the data processing program making, realized that the user can carry out interaction easily when watching digital television program, and guaranteed the instantaneity and the real-time of the interactive data uploaded.
Fig. 5 is another embodiment schematic flow sheet of a kind of digital television interaction method of the embodiment of the invention, and the present embodiment receiving terminal for digital television is digital TV set-top box, digital TV integrated machine or network protocol television, and this embodiment flow process comprises as shown in the figure:
Step S501 obtains user's authentication request from described receiving terminal for digital television.In the specific implementation, the user is when watching TV programme by receiving terminal for digital television, receiving terminal for digital television can obtain user's authentication information by remote controller or external user profile collecting device, and sends authentication request by ICP/IP protocol to digital TV front-end server.
Step S502 authenticates described authentication request.If authentification failure execution in step S503 then, if authentication success execution in step S504 then.The authentication request of user described in the specific implementation can comprise user ID and the password that the user imports and uploads by input equipment, digital TV front-end server can carry out authentication to this user ID and password after obtaining this authentication request, for example, whether has upload permissions etc. by the user ID inquiring user by password authentification user's identity.
Step S503 is to receiving terminal for digital television return authentication failure cause.
Step S504 when receiving terminal for digital television broadcast digital TV program data, obtains interactive data from described receiving terminal for digital television.In the specific implementation, the user is when watching digital television program by receiving terminal for digital television, receiving terminal for digital television can obtain user's interactive data information by remote controller or external user data collecting device, described external user data collecting device can comprise: external connection keyboard, camera, microphone or microphone etc., gather user's lteral data, in voice data or the video data any or several, can be the comment of user to TV programme, audio frequency message at the TV programme made, video frequency program or user are to occurring in the news video-with-audio recording of big mishap at one's side, for example can comprise by external connection keyboard or remote controller input characters data, take pictures and video data and pass through microphone by built-in or external camera, recording audio data such as microphone, and adopt ICP/IP protocol to upload described interactive data to digital TV front-end server equally by cable TV network.
Step S505 examines described interactive data.Then execution in step S507 is passed through in audit, examines the then execution in step S506 that fails.Described audit can be according to the audit regulation of country and local relevant radio and television and film video, and concrete examining content can be examined the description of unit 104 referring to preamble, repeats no more in this.
Step S506 returns the audit failure cause to receiving terminal for digital television, and how prompting uploads qualified interactive data.
Step S507 handles described interactive data, obtains the interactive digital TV program data.In the specific implementation, described interactive data is handled and can be comprised: to collection, arrangement, the classification of interactive data; Need carry out program making to data to passing through compile data based, obtain the interactive digital TV program data, specifically can be made into brand-new program data, also can superpose and obtain the program data that superposes, show if the literal interactive data then can directly superpose on program with original program data.Can at first carry out preliminary treatment to the described interactive data that gets access to from receiving terminal for digital television further, for example collect earlier and put in order, carry out step S505 again the interactive data through preliminary treatment is examined, audit will be by then further carrying out program making by the data of audit.
Step S501 transmits described interactive digital TV program data to described receiving terminal for digital television.After moving digital television program data creating is finished, digital TV front-end server watches that to all customizations the receiving terminal for digital television of the digital television program of this front-end server issues described interactive digital TV program data, comprises set-top box, network protocol television, digital TV integrated machine, Digital Video Broadcasting Handheld and the computer of watching digital television program by the Internet customization.
The receiving terminal for digital television of present embodiment is when obtaining the digital television program data, obtain user's interactive data and be uploaded to digital TV front-end server by built-in or external user data collection equipment, issuing interactive digital television program data after the program making of latter's process data processing have realized that the user can carry out interaction easily when watching digital television program.
Receiving terminal for digital television of the present invention includes but not limited to: and set-top box, network protocol television (InternetProtocol Television, IPTV), digital TV integrated machine, Digital Video Broadcasting Handheld and watch that by the Internet customization computer etc. of radio and television has the terminal of receiving digital television function.
Description by the foregoing description, one of ordinary skill in the art will appreciate that all or part of flow process that realizes the foregoing description, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer-readable medium, this program when carrying out, can comprise as the embodiment of above-mentioned each side method flow process.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
Above disclosed is preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that invention is contained.

Claims (13)

1. a digital television interaction method is characterized in that, described digital television interaction method comprises:
When receiving terminal for digital television broadcast digital TV program data, obtain interactive data from described receiving terminal for digital television;
Described interactive data is handled, obtained the interactive digital TV program data;
Transmit described interactive digital TV program data to described receiving terminal for digital television.
2. the digital television interaction method described in claim 1 is characterized in that, described obtain described interactive data from described receiving terminal for digital television after, described interactive data is also comprised before handling:
Described interactive data is examined, and audit is by then handling described interactive data.
3. the digital television interaction method described in claim 1 is characterized in that, described obtaining from described receiving terminal for digital television also comprises before the interactive data:
Obtain user's authentication request from described receiving terminal for digital television;
Described authentication request is authenticated, and authentication is by then obtaining interactive data from described receiving terminal for digital television.
4. digital television interaction method as claimed in claim 1 is characterized in that, described interactive data is handled obtains the interactive digital TV program data and comprise:
Collection, arrangement, classification to interactive data;
Need carry out program making to data to passing through compile data based, obtain the interactive digital TV program data.
5. as each described digital television interaction method among the claim 1-4, it is characterized in that described interactive data comprises any one or more in text data, voice data and the video data.
6. a digital TV front-end server is characterized in that, described digital TV front-end server comprises:
The radio and television unit is used for to receiving terminal for digital television broadcast digital TV program data;
Acquiring unit is used for obtaining interactive data from described receiving terminal for digital television;
Processing unit is used for the described interactive data that acquiring unit gets access to handled obtaining the interactive digital TV program data, and meets at the radio and television data cell and transmit described interactive digital TV program data to receiving terminal for digital television.
7. digital TV front-end server as claimed in claim 6 is characterized in that, described digital TV front-end server also comprises:
The audit unit is used for the described interactive data that described acquiring unit gets access to is examined, and audit is handled by then transferring to processing unit.
8. digital TV front-end server as claimed in claim 6 is characterized in that, described digital TV front-end server also comprises:
Authentication ' unit is used for obtaining from described receiving terminal for digital television user's authentication request, and described authentication request is authenticated, and authentication is by then allowing described acquiring unit to obtain interactive data from described receiving terminal for digital television.
9. digital TV front-end server as claimed in claim 6 is characterized in that, described processing unit comprises:
Data collection module is used for the interactive data that acquiring unit gets access to is collected, put in order and sorts out processing;
The program making module is used for obtaining the interactive data that process is compiled from data collection module, as required interactive data is carried out program making, obtains the interactive digital TV program data;
Release module is used for obtaining described interactive digital TV program data and meeting at the radio and television unit from the program making module broadcasting to receiving terminal for digital television.
10. as each described digital TV front-end server among the claim 6-9, it is characterized in that described interactive data comprises any one or more in text data, voice data and the video data.
11. a receiving terminal for digital television is characterized in that, described receiving terminal for digital television comprises:
The radio and television receiving element is used for obtaining the digital television program data from digital TV front-end server;
The interactive data acquiring unit is used to obtain user's interactive data, and described interactive data comprises any one or more in user version data, voice data and the video data;
The interactive data uploading unit is used for uploading described interactive data to digital TV front-end server.
12. digital TV front-end server as claimed in claim 11 is characterized in that, described receiving terminal for digital television is set-top box, network protocol television, digital TV integrated machine, Digital Video Broadcasting Handheld or computer.
13. a digital television interaction system is characterized in that, comprises as claim 6 to 9 digital TV front-end server and as claim 11 or 12 described receiving terminal for digital television, wherein as described in each:
Described digital TV front-end server is used for to receiving terminal for digital television broadcast digital TV program data, obtain interactive data from described receiving terminal for digital television, the described interactive data that acquiring unit is got access to is handled and is obtained the interactive digital TV program data, and transmits described interactive digital TV program data to receiving terminal for digital television;
Described receiving terminal for digital television is used for receiving described broadcast digital TV program data from described digital TV front-end server, obtain user's interactive data simultaneously and be uploaded to described digital TV front-end server, receive described interactive digital TV program data from described digital TV front-end server.
CN201010110468A 2010-02-05 2010-02-05 Digital television interaction method, equipment and system Pending CN101854513A (en)

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PCT/CN2011/070594 WO2011095094A1 (en) 2010-02-05 2011-01-25 Method, device and system for digital television interaction

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CN103338406A (en) * 2012-11-27 2013-10-02 深圳同方蓝色数码有限公司 Method for interacting with audiences in process of watching television programs and television system
CN103475943A (en) * 2013-09-11 2013-12-25 马清虎 Interaction method and system of television program
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CN103517142A (en) * 2012-12-17 2014-01-15 Tcl集团股份有限公司 Interaction comment information processing method and system based on intelligent television
CN103546771A (en) * 2013-06-26 2014-01-29 Tcl集团股份有限公司 Television program review processing method and system based on smart terminal
CN103607608A (en) * 2013-11-19 2014-02-26 四川长虹电器股份有限公司 Method and system for realizing user and television program interaction through bidirectional set top box
CN103618967A (en) * 2013-12-09 2014-03-05 深圳创维-Rgb电子有限公司 Method and device for interaction of mobile terminal and television end
WO2014135050A1 (en) * 2013-08-09 2014-09-12 中兴通讯股份有限公司 Message processing method, device, gateway, set-top box and internet protocol television system
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CN105228021A (en) * 2015-09-30 2016-01-06 天脉聚源(北京)科技有限公司 A kind of transmission method of TV interaction systems interactive information
CN105228017A (en) * 2015-09-30 2016-01-06 天脉聚源(北京)科技有限公司 A kind of interactive information method for pre-configuration of interactive television system and device
CN105721923A (en) * 2016-03-21 2016-06-29 北京正奇联讯科技有限公司 Television program transmission terminal and interactive information processing method and system during broadcasting
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