CN103037313A - Multimedia broadcasting access device and multimedia broadcasting access method - Google Patents
Multimedia broadcasting access device and multimedia broadcasting access method Download PDFInfo
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- CN103037313A CN103037313A CN2011103048403A CN201110304840A CN103037313A CN 103037313 A CN103037313 A CN 103037313A CN 2011103048403 A CN2011103048403 A CN 2011103048403A CN 201110304840 A CN201110304840 A CN 201110304840A CN 103037313 A CN103037313 A CN 103037313A
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Abstract
The invention discloses a multimedia broadcasting access device and a multimedia broadcasting access method. The device comprises a wireless local area network communication module, an application management unit, an event management unit, a mobile multimedia broadcasting demodulation unit and a stream medium server unit. The wireless local area network communication module can be accessed through one or a plurality of wireless Internet devices. The application management unit receives application metadata relative to multimedia broadcasting programs from the wireless Internet devices and generates event information. The event management unit registers a corresponding event and a trigger condition. The mobile multimedia broadcasting demodulation unit meets the trigger condition in a responding mode and demodulates audio/video signals relative to the event. The stream medium server unit receives the demodulated audio/video signals from the mobile multimedia broadcasting demodulation unit and gives out the audio/video signals to the wireless Internet devices through the wireless local area network communication module. The device and the method can not only route multimedia broadcasting to the corresponding wireless Internet devices, but also support interactive business between the devices.
Description
Technical field
The application relates to information technology, is specifically related to a kind of multimedia broadcasting access device and method.
Background technology
Along with the development of Internet technology and the communication technology, mobile Internet (Mobile Internet) and multimedia broadcasting (Multimedia Broadcast) have been widely used in the various aspects of daily life.The Mobile Multimedia Broadcasting net can be standardized wireless broadcast network system, such as CMMB (ChinaMobile Multimedia Broadcast), ISTB-Tmm (Integrated Services DigitalBroadcasting-Terrestrial mobile multimedia) etc.CMMB receiving terminal or the mobile phone that carried CMMB module of people by special use receives multimedia broadcasting such as TV and program of radio station.
For example, in order to support Mobile Multimedia Broadcasting, existing scheme is by embedding the external equipments such as receiver module or insertion television rod in wireless internet appliance (WiD:Wireless Internet Device), and in the mode that WiD installs playout software, be implemented in the purpose that this equipment is watched mobile multi-media broadcast program.But these methods need to increase WiD device hardware and software, realize that cost is high, and do not possess equipment room interactive service ability.
Summary of the invention
Consider one or more problem of the prior art, the application has proposed a kind of multimedia broadcasting access device and method thereof.
According to an embodiment, a kind of multimedia broadcasting access device comprises: wireless local area network communications module, and can be by one or more radio interconnected net equipment access; The application management unit, from the apply metadata of wireless internet appliance reception about multimedia broadcasting program, and according to described apply metadata generation event message; Event management unit is registered corresponding event and trigger condition according to described event message; The Mobile Multimedia Broadcasting demodulating unit is in response to satisfying of described trigger condition, the audio/video signal of the multimedia broadcasting program that demodulation is associated with described event; The streaming media server unit, the audio/video signal of the multimedia broadcasting program behind the Mobile Multimedia Broadcasting demodulating unit receiving demodulation, and by wireless local area network communications module the audio/video signal of described multimedia broadcasting program is distributed to described wireless internet appliance.
According to another embodiment, a kind of method of route multimedia broadcasting comprises: receive apply metadata about multimedia broadcasting program by WLAN (wireless local area network) from wireless internet appliance, and generate event message according to described apply metadata; Register corresponding event and trigger condition according to described event message; In response to satisfying of described trigger condition, the audio/video signal of the multimedia broadcasting program that demodulation is associated with described event, and by WLAN (wireless local area network) the audio/video signal of described multimedia broadcasting program is distributed to described wireless internet appliance.
Utilize equipment and the method for above-described embodiment, not only multimedia broadcasting can be routed to corresponding wireless internet appliance and interactive service between support equipment.
Description of drawings
Fig. 1 shows the according to an embodiment of the invention schematic block diagram of multimedia broadcasting access point;
Fig. 2 shows the schematic block diagram of the application management unit in the multimedia broadcasting access point according to another embodiment of the present invention;
Fig. 3 shows the according to an embodiment of the invention schematic diagram of the operating process of multimedia broadcasting access point;
Fig. 4 shows the schematic block diagram according to the multimedia broadcasting access point of further embodiment of this invention;
Fig. 5 shows the according to an embodiment of the invention schematic diagram of the operating state transfer process of multimedia broadcasting access point.
Embodiment
Below, describe with reference to the accompanying drawings the disclosed preferred implementation of the application in detail.In the accompanying drawings, although be shown in the different accompanying drawings, identical Reference numeral is used for representing identical or similar assembly.For clarity and conciseness, the detailed description that is included in the known function and structure here will be omitted, and avoid making the application's the theme of each embodiment unclear.
Fig. 1 shows the according to an embodiment of the invention schematic block diagram of multimedia broadcasting access point.One or more embodiment according to the application, by utilizing MiMBAN (Mobile Internet andMultimedia Broadcasting Access Node, MiMBAN) 120 multiple network access capability realizes that the transmitting mobile multimedia broadcasted content is to one or more WiD 111, the Internet-browser of 11n, and with WiD 111, the application on the 11n and the content on the Internet realize interactive.
MiMBAN equipment 120 according to an embodiment can comprise wireless wide area network (WWAN) communication module 124, WLAN (wireless local area network) (WLAN) communication module 121 and Mobile Multimedia Broadcasting (MMB) demodulating unit 127 etc.
As mentioned above, mobile Internet and multimedia broadcasting access point (Mobile Internet andMultimedia Broadcasting Access Node, MiMBAN) the 120th, a kind of equipment that possesses MMB (Mobile Multimedia Broadcasting net), WWAN (wireless wide area network) and WLAN (WLAN (wireless local area network)) access capability.Wireless wide area network communication module 124 can be based on any standardized beehive network system, such as WCDMA (Wideband Code Division Multiple Access (WCDMA)), and CDMA (code division multiple access), WiMAX, LTE (Long Term Evolution), LTE-A (advanced Long Term Evolution) etc.Mobile Multimedia Broadcasting demodulating unit 127 can be based on any standardized wireless broadcast network system, such as CMMB (China MobileMultimedia Broadcast), ISTB-Tmm (Integrated Services DigitalBroadcasting-Terrestrial mobile multimedia) etc.
Wireless local area network communications module 121 can be the WiFi access point based on IEEE 802.11.According to another embodiment, WLAN communication module 121 also can be based on other communication protocol, such as bluetooth etc.
According to one or more embodiment, wireless interconnected network termination (Wireless Internet Device, WiD) 111 can be a kind of terminal equipment of the multiple different internet, applications of support with wireless lan interfaces, for example: smart mobile phone, panel computer, notebook computer etc.Common internet, applications comprises by application such as browser or client-access network services.
Wireless wide area network communication module 124 is obtained and the multimedia broadcasting related content from the application server (Fig. 1 is not shown) on the Internet with entity communication and active on the Internet.Wireless local area network communications module 121 and a plurality of WiD 111,11n to-talk internet content, multimedia broadcast contents and application-dependent data etc.The programme content of Mobile Multimedia Broadcasting demodulating unit 127 reception Mobile Multimedia Broadcasting base station broadcasts and programme information content etc.According to another embodiment of the present invention, mobile multi-media broadcast program content that the Mobile Multimedia Broadcasting demodulation module can also receiving satellite broadcast etc.
According to the application's a embodiment, mobile Internet and multimedia broadcasting access point 120 can also comprise: streaming media server unit 125, flow medium buffer unit 122, application management unit 123 and event management unit 126 etc.
According to one embodiment of present invention, flow medium buffer unit 122 is in response to the triggering of the event of event management unit 126 registrations, to WiD 111 transmitting multimedia broadcast video files.
According to still another embodiment of the invention, application management unit 123 is in response to the request of wireless internet appliance WiD 111, provides the apply metadata about multimedia broadcasting program from the application server on the Internet by wireless local area network communications module 121 to described wireless internet appliance 111.Like this, for example the WiD of mobile phone and so on can be to the metadata information of mobile Internet and multimedia broadcasting access point 120 requests about broadcast program.
According to another embodiment of the present invention, above-mentioned flow medium buffer unit 122 is optional, if need to support the application of multimedia broadcasting program storage class, just can increase flow medium buffer unit 122, the audio/video signal of the multimedia broadcasting program behind multimedia broadcasting demodulating unit 127 receiving demodulations is cached to file, and passing through WLAN communication module 121 for WiD 111,11n downloads.
According to still another embodiment of the invention, streaming media server unit 125 can also will convert the required form of WiD to from the audio/video signal that Mobile Multimedia Broadcasting demodulating unit 127 receives according to the requirement of WiD.For example, such format conversion requires can be included in the apply metadata, the audio/video form that the resolution of supporting such as the display screen of WiD and browser are supported etc.
According to still another embodiment of the invention, mobile Internet and multimedia broadcasting access point 120 also include the line interface (not shown in figure 1), and the mode by wired connection is connected to the Internet.
According to still another embodiment of the invention, application management unit 123 in mobile Internet and the multimedia broadcasting access point 120 receives the social media content relevant with the multimedia broadcasting program of distributing from wireless internet appliance 111, sends to social medium server on the Internet by described wireless wide area network communication module 124.Simultaneously, this application management unit 123 receives the social media content relevant with the multimedia broadcasting program of distributing from the social medium server on the Internet, sends to wireless internet appliance 111,11n by WLAN communication module 121.Like this, the user of WiD can also be by the interaction of the social media on mobile Internet and 120 realizations of multimedia broadcasting access point and the Internet when mobile phone is watched Mobile Multimedia Broadcasting.
Although the above with the formal description of discrete unit the structure of multimedia broadcasting access point, those of ordinary skill in the art should be appreciated that and above-mentioned a plurality of unit can be integrated to realize.For example application management unit and event management unit can be embodied as together the form of software, perhaps flow medium buffer unit 122 and streaming media server unit 125 be integrated realization.
Fig. 2 shows the according to another embodiment of the present invention schematic block diagram of multimedia broadcasting access point 120.As shown in Figure 2, according to present embodiment, application management unit 123 comprises uses interpreter 1231 and event generating 1232.
Use interpreter 1231 handles from WiD 111, the application of 11n or the apply metadata of the network application on the Internet are resolved.Event generating 1232 generates the specific event message of Mobile Multimedia Broadcasting according to the result who explains.
For example, the user subscribes to the timed reminding of certain TV programme in application program of browser interface operation of WiD 111, and for example 22:00-22:30 regularly watches the night news program of CCTV news channel.The apply metadata that this timed reminding comprises, { Apply Names: TV programme timed reminding for example, Start Date: 2011-08-30, reminder time: Beijing time 21:58, alerting pattern: status bar, channel: CCTV news channel, time started: Beijing time 22:00, duration: 0.5 hour, programm name: night news program, keyword: news category }.
When browser execution should be used, this apply metadata was obtained by the application management unit 123 in the MiMBAN access point 120 by the WLAN connection, and obtaining the address is http: // 192.168.1.1:8080/AppManager.
After application management unit 123 obtains apply metadata, resolve this apply metadata by using interpreter 1231, extract the information relevant with the operation of multimedia broadcasting demodulating unit, { Start Date: 2011-08-30 for example, channel: CCTV news channel, time started: Beijing time 22:00, duration: 0.5 hour, programm name: night news program }, and be compiled into event message by event generator 1232, { event identifier: d0k893j for example, the event version: 001, event type: streaming media playing CCTV news channel, state-event: wait for beginning, event time started: 2011-08-30-2200, incident duration: 0.5 hour }.Application management unit 123 is delivered to event management unit 126 to this message event, and event management unit 126 these events of registration and corresponding trigger condition for example arrange the timer waiting event and begin.
Fig. 3 shows the according to an embodiment of the invention schematic diagram of the operating process of multimedia broadcasting access point.As shown in Figure 3, for example, 311, from browser URL or the application A PI interface of WiD 111, and the network application server address URL on the Internet receives apply metadata.312, the data of data division XML form or Java form are extracted wherein relevant with multimedia broadcasting delivery of content to event generating 1232 in the apply metadata that 1231 parsings of application interpreter receive.313, compiling generates event message to event generating 1232 according to the multimedia broadcasting event definition.
314, event generating 1232 need to judge whether the event feedback.Do not receive the apply metadata state if do not need feedback then return wait.If needs feed back then register feedback event, enter the waiting event feedback states 315.316, receive the event feedback message from event management unit 126.317, use interpreter 1232 feedback event information is compiled into apply metadata.Send apply metadata to browser URL or the application A PI interface of WiD 318, and the network application server address URL on the Internet.
Fig. 4 shows the schematic block diagram according to the multimedia broadcasting access point 120 of further embodiment of this invention.As shown in Figure 4, event management unit 126 is 123 transmitting-receiving event messages from the application management unit, and from Mobile Multimedia Broadcasting demodulating unit 127 program receiving information, Admin Events sends trigger message to streaming media server unit 125 and flow medium buffer unit 122.
As shown in Figure 4,126 pairs of events of event management unit are defined as follows: event identifier, MiMBAN equipment 120 interior unique identifications to event; Event type is according to the different operating Distinguish of convection media server unit 125 and flow medium buffer unit 122; Whether state-event, event activate, whether register the information such as waiting event feedback, event executing state; The event time started, the time that the task that event time is described begins to carry out; Incident duration, event is from beginning to carry out the duration of end execution.
According to embodiments of the invention, Mobile Multimedia Broadcasting demodulating unit 127 possesses ESG (electronic service guidebooks) decoder 1271, can decode from Mobile Multimedia Broadcasting and obtain ESG.Like this, event management unit 126 can obtain from ESG decoder 1271 the ESG information of renewal, forms event information, and these event informations are sent to application management unit 123, form apply metadata, send to the application server on WiD 111 or the Internet.
Fig. 5 shows the according to an embodiment of the invention schematic diagram of the operating state transfer process of multimedia broadcasting access point.
As shown in Figure 5,502, from the event default conditions, event has activated or has registered in the waiting event feedback.The timer timing enters the event initial state to the event time started from the event default conditions, 503, triggers the corresponding operating of streaming media server unit 125 or flow medium buffer unit 122 according to event type.505, in the event time-continuing process, the user hands over family or the applications trigger event event that enters to adjust state, triggers the corresponding adjusting operation of streaming media server unit 125 or flow medium buffer unit 122 according to the event type of adjusting.
501, in the time remaining process, the user hands over family or applications trigger event to enter the event update state, receives new programme information from Mobile Multimedia Broadcasting demodulating unit 127, and perhaps the user hands over the family or uses mutual renewal to event content itself;
504, timing enters the event done state to the end of duration time from event adjustment state, and event identifier etc. is waited for, emptied to close event, un-register feedback event.
Below in conjunction with an example Mobile Multimedia Broadcasting access point according to the embodiment of the present application is described.
The user of WiD 111 opens the WLAN function, WiFi function for example, and the WLAN communication module 121 that is connected to MiMBAN equipment begins online, and the web application that starts the TV programme timed reminding is connected to the Internet and obtains service.
This web application with the mode of browser plug-in by user installation on WiD equipment 111 local browsers, hand over the family by browser interface and user, mutual by the application management unit 123 on apply metadata and the MiMBAN equipment 120.WLAN communication module 121 internal address of MiMBAN equipment 111 are fixed, for example 192.168.1.1.Application management unit 123 uses fixed port, for example 8080 ports.Local browser is by the application management unit 123 on the URL address access MiMBAN equipment 120, for example http: // 192.168.1.1:8080/AppManager.
The user subscribes to the timed reminding of certain TV programme in this application program of browser interface operation, and for example 22:00-22:30 regularly watches the night news program of CCTV news channel.The apply metadata that it comprises, { Apply Names: TV programme timed reminding for example, Start Date: 2011-08-30, reminder time: Beijing time 21:58, alerting pattern: status bar, channel: CCTV news channel, time started: Beijing time 22:00, duration: 0.5 hour, programm name: night news program, keyword: news category }.
When browser execution should be used, this apply metadata was obtained by the application management unit 123 in the MiMBAN equipment 120 by the WLAN connection, and obtaining the address is http: // 192.168.1.1:8080/AppManager.
After application management unit 120 obtains apply metadata, resolve this apply metadata by using interpreter 1231, extract the information relevant with 127 operations of multimedia broadcasting demodulating unit, { Start Date: 2011-08-30 for example, channel: CCTV news channel, time started: Beijing time 22:00, duration: 0.5 hour, programm name: night news program }, and be compiled into event message by event generating 1232, { event identifier: d0k893j for example, the event version: 001, event type: streaming media playing CCTV news channel, state-event: wait for beginning, event time started: 2011-08-30-2200, incident duration: 0.5 hour }.Application management unit 123 is delivered to event management unit 126 to this message event, and event management unit 126 these events of registration and corresponding trigger condition for example arrange the timer waiting event and begin.
When the time arrives 21:58, user's WiD equipment 111 program reminding occurs at status bar, and user's open mode hurdle is reminded to click and entered the TV programme timed reminding and use, and triggers browser and open the video playback window, for example http: // 192.168.1.1:8080/MMB waits for that program begins.
When the time arrives 22:00, event management unit 126 beginning Action Events in the MiMBAN equipment 111 are designated the event of d0k893j, trigger 127 startups of Mobile Multimedia Broadcasting demodulating unit and switch to the CCTV news channel and specify frequency, beginning demodulation program video signal, and be delivered to streaming media server unit 125.After signal is received in streaming media server unit 125, begin Streaming Media based on the broadcasting of HTTP, for example http: // 192.168.1.1:8080/MMB in fixing URL address.
When the time arrives 22:30, event management unit 126 beginning Action Events in the MiMBAN equipment 120 are designated the event of d0k893j, trigger Mobile Multimedia Broadcasting demodulating unit 127 and discharge software and hardware resources, enter the event done state, close event empties event identifier etc.User's WiD device shutdown browser video playback window.
Adopt the scheme of the embodiment of the invention, the mobile Internet access point has increased the ability of accessing to multimedia broadcasting network, and the ability of carrying out interactive service with user's internet terminal and internet, applications, thereby strengthened the using value of mobile Internet access point, embodied the mutual form of mobile Internet and Mobile Multimedia Broadcasting.
Top description only is used for realizing embodiments of the present invention; it should be appreciated by those skilled in the art; the any modification or partial replacement that is not departing from the scope of the present invention; all should belong to claim of the present invention and come restricted portion; therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (19)
1. multimedia broadcasting access device comprises:
Wireless local area network communications module can be by one or more wireless internet appliance accesses;
The application management unit, from the apply metadata of described wireless internet appliance reception about multimedia broadcasting program, and according to described apply metadata generation event message;
Event management unit is registered corresponding event and trigger condition according to described event message;
The Mobile Multimedia Broadcasting demodulating unit is in response to satisfying of described trigger condition, the audio/video signal of the multimedia broadcasting program that demodulation is associated with described event;
The streaming media server unit, the audio/video signal of the multimedia broadcasting program behind the Mobile Multimedia Broadcasting demodulating unit receiving demodulation, and by wireless local area network communications module the audio/video signal of described multimedia broadcasting program is distributed to described wireless internet appliance.
2. access device as claimed in claim 1 also comprises the wireless wide area network communication module, and described application management unit is mutual by the application server on described wireless wide area network module and the Internet.
3. access device as claimed in claim 2, described application management cell response be in the request of wireless internet appliance, provides the apply metadata about multimedia broadcasting program from application server by WLAN (wireless local area network) to described wireless internet appliance.
4. access device as claimed in claim 1, wherein said Mobile Multimedia Broadcasting demodulating unit comprises the electron service instruction decoder, described event management unit will send to from the electron service instruction of described electron service instruction decoder the application management unit, described application management unit compiles described electron service instruction, generates apply metadata.
5. access device as claimed in claim 4, wherein said application management unit sends to application server for storage on the Internet with the apply metadata that generates.
6. access device as claimed in claim 1 also includes line interface, is connected to the Internet in wired mode.
7. access device as claimed in claim 1, wherein said wireless local area network communications module is specially the WiFi access point based on IEEE 802.11.
8. access device as claimed in claim 2, wherein said application management unit receives the social media content relevant with the multimedia broadcasting program of distributing from wireless internet appliance, sends to social medium server on the Internet by described wireless wide area network communication module.
9. access device as claimed in claim 2, wherein said application management unit receives the social media content relevant with the multimedia broadcasting program of distributing from the social medium server on the Internet, sends to described wireless internet appliance by described wireless local area network communications module.
10. access device as claimed in claim 1, form XML-based or the Java of the data division in the wherein said apply metadata.
11. access device as claimed in claim 1, wherein said streaming media server unit are distributed to described wireless internet appliance after the audio/video signal of described multimedia broadcasting program being converted to the form of appointment in the described event message.
12. the method for a route multimedia broadcasting comprises:
Receive apply metadata about multimedia broadcasting program by WLAN (wireless local area network) from wireless internet appliance, and generate event message according to described apply metadata;
Register corresponding event and trigger condition according to described event message;
In response to satisfying of described trigger condition, the audio/video signal of the multimedia broadcasting program that demodulation is associated with described event, and by WLAN (wireless local area network) the audio/video signal of described multimedia broadcasting program is distributed to described wireless internet appliance.
13. method as claimed in claim 12 also comprises:
Mutual by the application server on wireless wide area network and the Internet.
14. method as claimed in claim 13 also comprises:
In response to the request of wireless internet appliance, provide the apply metadata about multimedia broadcasting program from application server by WLAN (wireless local area network) to described wireless internet appliance.
15. method as claimed in claim 12 also comprises:
The apply metadata that generates is sent to application server for storage on the Internet.
16. method as claimed in claim 12, wherein said wireless local area network communications module are specially the WiFi access point based on IEEE 802.11.
17. method as claimed in claim 12 also comprises:
Receive the social media content relevant with the multimedia broadcasting program of distributing from wireless internet appliance, send to social medium server on the Internet by wireless wide area network.
18. method as claimed in claim 12 also comprises:
Social medium server from the Internet receives the social media content relevant with the multimedia broadcasting program of distributing, and sends to described wireless internet appliance by described WLAN (wireless local area network).
19. method as claimed in claim 12, form XML-based or the Java of the data division in the wherein said apply metadata.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103048403A CN103037313A (en) | 2011-09-28 | 2011-09-28 | Multimedia broadcasting access device and multimedia broadcasting access method |
| JP2012215608A JP2013074630A (en) | 2011-09-28 | 2012-09-28 | Multimedia broadcast access device and method therefor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103048403A CN103037313A (en) | 2011-09-28 | 2011-09-28 | Multimedia broadcasting access device and multimedia broadcasting access method |
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| CN103037313A true CN103037313A (en) | 2013-04-10 |
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| CN2011103048403A Pending CN103037313A (en) | 2011-09-28 | 2011-09-28 | Multimedia broadcasting access device and multimedia broadcasting access method |
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| JP (1) | JP2013074630A (en) |
| CN (1) | CN103037313A (en) |
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| CN103841450A (en) * | 2012-11-20 | 2014-06-04 | 株式会社Ntt都科摩 | Wireless internet device, multimedia broadcast access device and method |
| WO2021052078A1 (en) * | 2019-09-17 | 2021-03-25 | 晶晨半导体(上海)股份有限公司 | Control method and apparatus based on multimedia interface |
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| CN105117187B (en) * | 2015-08-13 | 2018-04-24 | 小米科技有限责任公司 | Multimedia messages methods of exhibiting and device |
| US11546406B2 (en) * | 2020-04-13 | 2023-01-03 | Tencent America LLC | Media systems and methods including mixed event message tracks |
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| Publication number | Publication date |
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| JP2013074630A (en) | 2013-04-22 |
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