CN104902328A - Set top box, early warning system and early warning method - Google Patents
Set top box, early warning system and early warning method Download PDFInfo
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- CN104902328A CN104902328A CN201510275526.5A CN201510275526A CN104902328A CN 104902328 A CN104902328 A CN 104902328A CN 201510275526 A CN201510275526 A CN 201510275526A CN 104902328 A CN104902328 A CN 104902328A
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- 238000000034 method Methods 0.000 title claims abstract description 55
- 230000011664 signaling Effects 0.000 claims abstract description 133
- 238000004321 preservation Methods 0.000 claims description 24
- 239000000835 fiber Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000005236 sound signal Effects 0.000 claims description 3
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
Abstract
The invention provides a set top box, an early warning system and an early warning method, wherein the set top box comprises the following components: the system comprises an acquisition unit, an early warning signaling processing unit and an audio output unit, wherein the acquisition unit is connected with an external CA system and is also connected with the early warning signaling processing unit; the early warning signaling processing unit is also connected with the audio output unit; the acquisition unit is used for receiving the early warning EMM data which is sent by the early warning center through a CA system and carries the current early warning signaling, analyzing the early warning EMM data and acquiring the current early warning signaling; the early warning signaling processing unit is used for determining an audio early warning file corresponding to the current early warning signaling according to the current early warning signaling; and the audio output unit is used for outputting the audio early warning file. The set top box, the early warning system and the early warning method provided by the invention can send out early warning information through the set top box.
Description
Technical field
The present invention relates to electronic technology field, particularly a kind of Set Top Box, a kind of early warning system and a kind of method for early warning.
Background technology
Along with the propelling of Digital Television translation process, digital TV set-top box is also constantly popularized in the family, and the function of Set Top Box also gets more and more.Digital TV set-top box, box on so-called Set Top Box or machine is the equipment connecting television set and outside source.The digital signal of compression can be changed into television content by it, and shows on a television set.Signal can from wire cable, satellite antenna, broadband network and terrestrial broadcasting.Except the image that the content that Set Top Box receives can provide except simulated television, sound, be more to receive digital content, comprise electronic program guides, internet webpage, captions etc.Make user can watch digital television program on existing television set, and carry out interactive digital amusement, education and commercialization activity by network.Existing digital TV set-top box does not have for user provides the function of early warning information.
Summary of the invention
In view of this, the invention provides a kind of Set Top Box, a kind of early warning system and a kind of method for early warning, audio frequency early warning information can be sent by Set Top Box.
First aspect, the invention provides a kind of Set Top Box, comprising:
Acquiring unit, early warning Signaling Processing Unit and audio output unit, wherein,
Described acquiring unit is connected with the condition receiving system CA system of outside, and is also connected with described early warning Signaling Processing Unit;
Described early warning Signaling Processing Unit is also connected with described audio output unit;
Described acquiring unit, for receiving the early warning Entitlement Management Message EMM data carrying described current early warning signaling that warning center is sent by CA system, resolving described early warning EMM data, obtaining current early warning signaling;
Described early warning Signaling Processing Unit, for according to current early warning signaling, determines the pre-superintendent of document of audio frequency that current early warning signaling is corresponding;
Described audio output unit, for exporting the pre-superintendent of document of described audio frequency.
Further, also comprise: audio frequency early warning library, for preserving the pre-superintendent of document of at least one audio frequency;
Storage unit, for preserving the listed files pre-set, wherein, preserves the corresponding relation of early warning signaling and the storing path of the pre-superintendent of document of audio frequency in described audio frequency early warning library pre-set in described listed files;
Described early warning Signaling Processing Unit comprises the first process subelement, for the corresponding relation in the current early warning signaling that obtains according to described acquiring unit and described listed files, determines the storing path of the pre-superintendent of document of audio frequency that current early warning signaling is corresponding;
Described audio output unit comprises the first broadcasting subelement, for the storing path according to the pre-superintendent of document of audio frequency corresponding to described current early warning signaling, exports the pre-superintendent of document of audio frequency corresponding to described storing path.
Further, also comprise: the preservation address carrying the pre-superintendent of document of audio frequency in described early warning signaling;
Described early warning Signaling Processing Unit comprises the second process subelement, for according to current early warning signaling, determine the preservation address of the pre-superintendent of document of audio frequency carried in current early warning signaling, according to described preservation address, download the pre-superintendent of document of described audio frequency by hybrid fiber coax hfc plant;
Described audio output unit comprises the second broadcasting subelement, for exporting the pre-superintendent of document of described audio frequency that described second process subelement is downloaded.
Further, described audio output unit comprises:
Audio frequency plays subelement, for playing the pre-superintendent of document of described audio frequency;
And/or,
Described audio output unit comprises:
Audio signal transmits subelement, for pre-for described audio frequency superintendent of document is sent to television set, to make the pre-superintendent of document of audio frequency described in described television for play.
Second aspect, the invention provides a kind of early warning system, comprising:
As Set Top Box, condition receiving system CA system, warning center as described in arbitrary in first aspect;
Described CA system is connected with described warning center with described Set Top Box respectively;
Described warning center, for sending early warning signaling to described CA system;
Described CA system, the described early warning Signalling conversion for being sent by described warning center is the early warning Entitlement Management Message EMM data carrying described early warning signaling.
Further, comprise further: hybrid fiber coax hfc plant server, process subelement be connected with described second;
Described second process subelement, for according to current early warning signaling, determine the preservation address of the pre-superintendent of document of audio frequency carried in current early warning signaling, according to described preservation address, download the pre-superintendent of document of described audio frequency by hfc plant to described hfc plant server request;
Hfc plant server, for the request according to described second process subelement, returns the pre-superintendent of document of described audio frequency to described second process subelement.
The third aspect, the invention provides a kind of method for early warning, comprising:
Receive the early warning Entitlement Management Message EMM data carrying described current early warning signaling that warning center is sent by condition receiving system CA system, resolve described early warning EMM data, obtain current early warning signaling;
According to current early warning signaling, determine the pre-superintendent of document of audio frequency that current early warning signaling is corresponding;
Export the pre-superintendent of document of described audio frequency.
Further, also comprise: pre-set the pre-superintendent of document of at least one audio frequency, pre-set listed files, wherein, in described listed files, preserve the corresponding relation of the storing path of early warning signaling and the pre-superintendent of document of audio frequency pre-set;
Described according to current early warning signaling, determine to comprise the pre-superintendent of document of audio frequency that current early warning signaling is corresponding:
According to the corresponding relation in current early warning signaling and described listed files, determine the storing path of the pre-superintendent of document of audio frequency that current early warning signaling is corresponding;
The pre-superintendent of document of the described audio frequency of described output, comprising:
According to the storing path of the pre-superintendent of document of audio frequency corresponding to described current early warning signaling, export the pre-superintendent of document of audio frequency corresponding to described storing path.
Further, also comprise: the preservation address of carrying the pre-superintendent of document of audio frequency in advance in described early warning signaling;
Described according to current early warning signaling, determine to comprise the pre-superintendent of document of audio frequency that current early warning signaling is corresponding:
According to current early warning signaling, determine the preservation address of the pre-superintendent of document of audio frequency carried in current early warning signaling, according to described preservation address, download the pre-superintendent of document of described audio frequency by hybrid fiber coax hfc plant;
The pre-superintendent of document of the described audio frequency of described output, comprising:
Export the pre-superintendent of document of described audio frequency downloaded by hfc plant.
Further, the pre-superintendent of document of the described audio frequency of described output, comprising:
Pre-for described audio frequency superintendent of document is sent to television set, to make the pre-superintendent of document of audio frequency described in described television for play.
By a kind of Set Top Box provided by the invention, a kind of early warning system and a kind of method for early warning, obtain the early warning signaling that warning center sends, determine the pre-superintendent of document of audio frequency that current early warning signaling is corresponding, play the pre-superintendent of document of this audio frequency and inform user.User can be made to obtain the early warning signaling of warning center in time by Set Top Box by the method.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of Set Top Box that one embodiment of the invention provides;
Fig. 2 is the structural representation of a kind of early warning system that one embodiment of the invention provides;
Fig. 3 is the flow chart of a kind of method for early warning that one embodiment of the invention provides.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly; below in conjunction with the accompanying drawing in the embodiment of the present invention; technical scheme in the embodiment of the present invention is clearly and completely described; obviously; described embodiment is the present invention's part embodiment, instead of whole embodiments, based on the embodiment in the present invention; the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
As shown in Figure 1, embodiments provide a kind of Set Top Box, the method can comprise the following steps:
Acquiring unit 101, early warning Signaling Processing Unit 102 and audio output unit 103, wherein,
Described acquiring unit 101 is connected with outside CA (Conditional Access, condition receiving system) system, and is also connected with described early warning Signaling Processing Unit 102;
Described early warning Signaling Processing Unit 102 is also connected with described audio output unit 103;
Described acquiring unit 101, for receiving early warning EMM (the Entitlement Management Message carrying described current early warning signaling that warning center is sent by CA system, Entitlement Management Message) data, resolve described early warning EMM data, obtain current early warning signaling;
Described early warning Signaling Processing Unit 102, for according to current early warning signaling, determines the pre-superintendent of document of audio frequency that current early warning signaling is corresponding;
Described audio output unit 103, for exporting the pre-superintendent of document of described audio frequency.
By a kind of Set Top Box that the embodiment of the present invention provides, obtain the early warning signaling that warning center sends, determine the pre-superintendent of document of audio frequency that current early warning signaling is corresponding, play the pre-superintendent of document of this audio frequency and inform user.User can be made to obtain the early warning signaling of warning center in time by Set Top Box by the method.
In a kind of possible implementation, above-mentioned Set Top Box also comprises: audio frequency early warning library, for preserving the pre-superintendent of document of at least one audio frequency;
Storage unit, for preserving the listed files pre-set, wherein, preserves the corresponding relation of early warning signaling and the storing path of the pre-superintendent of document of audio frequency in described audio frequency early warning library pre-set in described listed files;
Described early warning Signaling Processing Unit comprises the first process subelement, for the corresponding relation in the current early warning signaling that obtains according to described acquiring unit and described listed files, determines the storing path of the pre-superintendent of document of audio frequency that current early warning signaling is corresponding;
Described audio output unit comprises the first broadcasting subelement, for the storing path according to the pre-superintendent of document of audio frequency corresponding to described current early warning signaling, exports the pre-superintendent of document of audio frequency corresponding to described storing path.
In this implementation, pre-for audio frequency superintendent of document is saved in Set Top Box in advance.
In a kind of possible implementation, above-mentioned Set Top Box also comprises: the preservation address carrying the pre-superintendent of document of audio frequency in described early warning signaling;
Described early warning Signaling Processing Unit comprises the second process subelement, for according to current early warning signaling, determine the preservation address of the pre-superintendent of document of audio frequency carried in current early warning signaling, according to described preservation address, by the pre-superintendent of document of audio frequency described in HFC (Hybrid Fiber-Coaxial, hybrid fiber coax) web download;
Described audio output unit comprises the second broadcasting subelement, for exporting the pre-superintendent of document of described audio frequency that described second process subelement is downloaded.
In this implementation, pre-for audio frequency superintendent of document is saved in network, from network, downloads broadcasting.
In a kind of possible implementation, described audio output unit comprises: audio frequency plays subelement, for playing the pre-superintendent of document of described audio frequency.In this implementation, directly by the pre-superintendent of document of Set Top Box audio plays.
In a kind of possible implementation, described audio output unit comprises: audio signal transmits subelement, for pre-for described audio frequency superintendent of document is sent to television set, to make the pre-superintendent of document of audio frequency described in described television for play.In this implementation, pre-for audio frequency superintendent of document is sent to connected television set, is play by television set.
See Fig. 2, embodiments provide a kind of early warning system, comprising:
As Set Top Box 201, CA system 202, warning center 203 as described in arbitrary in above-mentioned Set Top Box;
Described CA system 202 is connected with described warning center 203 with described Set Top Box 201 respectively;
Described warning center 203, for sending early warning signaling to described CA system 202;
Described CA system 202, the described early warning Signalling conversion for being sent by described warning center is the early warning Entitlement Management Message EMM data carrying described early warning signaling.
In a kind of possible implementation, this system comprises further: hfc plant server, processes subelement be connected with described second;
Described second process subelement, for according to current early warning signaling, determine the preservation address of the pre-superintendent of document of audio frequency carried in current early warning signaling, according to described preservation address, download the pre-superintendent of document of described audio frequency by hfc plant to described hfc plant server request;
Hfc plant server, for the request according to described second process subelement, returns the pre-superintendent of document of described audio frequency to described second process subelement.
See Fig. 3, embodiments provide a kind of method for early warning, comprising:
Step 301: receive the early warning EMM data carrying described current early warning signaling that warning center is sent by CA system, resolve described early warning EMM data, obtain current early warning signaling;
Step 302: according to current early warning signaling, determines the pre-superintendent of document of audio frequency that current early warning signaling is corresponding;
Step 303: export the pre-superintendent of document of described audio frequency.
In a kind of possible implementation, the method, also comprises: pre-set the pre-superintendent of document of at least one audio frequency, pre-set listed files, wherein, the corresponding relation of the storing path of the early warning signaling pre-set and the pre-superintendent of document of audio frequency is preserved in described listed files;
Described according to current early warning signaling, determine to comprise the pre-superintendent of document of audio frequency that current early warning signaling is corresponding:
According to the corresponding relation in current early warning signaling and described listed files, determine the storing path of the pre-superintendent of document of audio frequency that current early warning signaling is corresponding;
The pre-superintendent of document of the described audio frequency of described output, comprising:
According to the storing path of the pre-superintendent of document of audio frequency corresponding to described current early warning signaling, export the pre-superintendent of document of audio frequency corresponding to described storing path.
In a kind of possible implementation, the method, also comprises: the preservation address of carrying the pre-superintendent of document of audio frequency in advance in described early warning signaling;
Described according to current early warning signaling, determine to comprise the pre-superintendent of document of audio frequency that current early warning signaling is corresponding:
According to current early warning signaling, determine the preservation address of the pre-superintendent of document of audio frequency carried in current early warning signaling, according to described preservation address, download the pre-superintendent of document of described audio frequency by hfc plant;
The pre-superintendent of document of the described audio frequency of described output, comprising:
Export the pre-superintendent of document of described audio frequency downloaded by hfc plant.
In a kind of possible implementation, the method, the pre-superintendent of document of the described audio frequency of described output, comprising:
Pre-for described audio frequency superintendent of document is sent to television set, to make the pre-superintendent of document of audio frequency described in described television for play.
For example, warning center sends " typhoon early warning ", the Signalling conversion of " typhoon early warning " is become to carry the early warning EMM data of the signaling of " typhoon early warning " by CA system, after Set Top Box gets this early warning EMM data, parse the signaling of " typhoon early warning ", the pre-superintendent of document of audio frequency is determined, such as: informed the information in the signaling of user's " typhoon early warning " by audio frequency, comprising: time of origin, duration, the precautionary measures etc. by this signaling.
A kind of Set Top Box that the embodiment of the present invention provides, a kind of early warning system and a kind of method for early warning, have following beneficial effect:
1, by a kind of Set Top Box, a kind of early warning system and a kind of method for early warning that the embodiment of the present invention provides, obtain the early warning signaling that warning center sends, determine the pre-superintendent of document of audio frequency that current early warning signaling is corresponding, play the pre-superintendent of document of this audio frequency and inform user.User can be made to obtain the early warning signaling of warning center in time by Set Top Box by the method.
2, by a kind of Set Top Box, a kind of early warning system and a kind of method for early warning that the embodiment of the present invention provides, early warning information is played back by audio frequency, the user not seeing video screen can be made also to obtain early warning information timely.In addition, early warning information is played back by audio frequency, user that is illiterate or that have defective vision can also be made to obtain early warning information in time.
3, by a kind of Set Top Box, a kind of early warning system and a kind of method for early warning that the embodiment of the present invention provides, Set Top Box is connected with CA system, various New function can be added by CA system, such as digital television CA mail, OSD (On-Screen Display, screen menu type regulative mode) application etc.
It should be noted that, in this article, the relational terms of such as first and second and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element " being comprised " limited by statement, and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical factor.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in the storage medium of embodied on computer readable, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium in.
Finally it should be noted that: the foregoing is only preferred embodiment of the present invention, only for illustration of technical scheme of the present invention, be not intended to limit protection scope of the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., be all included in protection scope of the present invention.
Claims (10)
1. a Set Top Box, is characterized in that, comprising:
Acquiring unit, early warning Signaling Processing Unit and audio output unit, wherein,
Described acquiring unit is connected with the condition receiving system CA system of outside, and is also connected with described early warning Signaling Processing Unit;
Described early warning Signaling Processing Unit is also connected with described audio output unit;
Described acquiring unit, for receiving the early warning Entitlement Management Message EMM data carrying described current early warning signaling that warning center is sent by CA system, resolving described early warning EMM data, obtaining current early warning signaling;
Described early warning Signaling Processing Unit, for according to current early warning signaling, determines the pre-superintendent of document of audio frequency that current early warning signaling is corresponding;
Described audio output unit, for exporting the pre-superintendent of document of described audio frequency.
2. Set Top Box according to claim 1, is characterized in that, also comprises: audio frequency early warning library, for preserving the pre-superintendent of document of at least one audio frequency;
Storage unit, for preserving the listed files pre-set, wherein, preserves the corresponding relation of early warning signaling and the storing path of the pre-superintendent of document of audio frequency in described audio frequency early warning library pre-set in described listed files;
Described early warning Signaling Processing Unit comprises the first process subelement, for the corresponding relation in the current early warning signaling that obtains according to described acquiring unit and described listed files, determines the storing path of the pre-superintendent of document of audio frequency that current early warning signaling is corresponding;
Described audio output unit comprises the first broadcasting subelement, for the storing path according to the pre-superintendent of document of audio frequency corresponding to described current early warning signaling, exports the pre-superintendent of document of audio frequency corresponding to described storing path.
3. Set Top Box according to claim 1, is characterized in that, also comprises: the preservation address carrying the pre-superintendent of document of audio frequency in described early warning signaling;
Described early warning Signaling Processing Unit comprises the second process subelement, for according to current early warning signaling, determine the preservation address of the pre-superintendent of document of audio frequency carried in current early warning signaling, according to described preservation address, download the pre-superintendent of document of described audio frequency by hybrid fiber coax hfc plant;
Described audio output unit comprises the second broadcasting subelement, for exporting the pre-superintendent of document of described audio frequency that described second process subelement is downloaded.
4. Set Top Box according to claim 1, is characterized in that, described audio output unit comprises:
Audio frequency plays subelement, for playing the pre-superintendent of document of described audio frequency;
And/or,
Described audio output unit comprises:
Audio signal transmits subelement, for pre-for described audio frequency superintendent of document is sent to television set, to make the pre-superintendent of document of audio frequency described in described television for play.
5. an early warning system, is characterized in that, comprising:
As Set Top Box, condition receiving system CA system, warning center as described in arbitrary in claim 1-4;
Described CA system is connected with described warning center with described Set Top Box respectively;
Described warning center, for sending early warning signaling to described CA system;
Described CA system, the described early warning Signalling conversion for being sent by described warning center is the early warning Entitlement Management Message EMM data carrying described early warning signaling.
6. system according to claim 5, is characterized in that, comprises further: hybrid fiber coax hfc plant server, processes subelement be connected with described second;
Described second process subelement, for according to current early warning signaling, determine the preservation address of the pre-superintendent of document of audio frequency carried in current early warning signaling, according to described preservation address, download the pre-superintendent of document of described audio frequency by hfc plant to described hfc plant server request;
Hfc plant server, for the request according to described second process subelement, returns the pre-superintendent of document of described audio frequency to described second process subelement.
7. a method for early warning, is characterized in that, comprising:
Receive the early warning Entitlement Management Message EMM data carrying described current early warning signaling that warning center is sent by condition receiving system CA system, resolve described early warning EMM data, obtain current early warning signaling;
According to current early warning signaling, determine the pre-superintendent of document of audio frequency that current early warning signaling is corresponding;
Export the pre-superintendent of document of described audio frequency.
8. method according to claim 7, it is characterized in that, also comprise: pre-set the pre-superintendent of document of at least one audio frequency, pre-set listed files, wherein, the corresponding relation of the storing path of the early warning signaling pre-set and the pre-superintendent of document of audio frequency is preserved in described listed files;
Described according to current early warning signaling, determine to comprise the pre-superintendent of document of audio frequency that current early warning signaling is corresponding:
According to the corresponding relation in current early warning signaling and described listed files, determine the storing path of the pre-superintendent of document of audio frequency that current early warning signaling is corresponding;
The pre-superintendent of document of the described audio frequency of described output, comprising:
According to the storing path of the pre-superintendent of document of audio frequency corresponding to described current early warning signaling, export the pre-superintendent of document of audio frequency corresponding to described storing path.
9. method according to claim 7, is characterized in that, also comprises: the preservation address of carrying the pre-superintendent of document of audio frequency in advance in described early warning signaling;
Described according to current early warning signaling, determine to comprise the pre-superintendent of document of audio frequency that current early warning signaling is corresponding:
According to current early warning signaling, determine the preservation address of the pre-superintendent of document of audio frequency carried in current early warning signaling, according to described preservation address, download the pre-superintendent of document of described audio frequency by hybrid fiber coax hfc plant;
The pre-superintendent of document of the described audio frequency of described output, comprising:
Export the pre-superintendent of document of described audio frequency downloaded by hfc plant.
10. method according to claim 7, is characterized in that, the pre-superintendent of document of the described audio frequency of described output, comprising:
Pre-for described audio frequency superintendent of document is sent to television set, to make the pre-superintendent of document of audio frequency described in described television for play.
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Application publication date: 20150909 |