CN106303683B - television channel updating method and system - Google Patents
television channel updating method and system Download PDFInfo
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- CN106303683B CN106303683B CN201610664392.0A CN201610664392A CN106303683B CN 106303683 B CN106303683 B CN 106303683B CN 201610664392 A CN201610664392 A CN 201610664392A CN 106303683 B CN106303683 B CN 106303683B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000013500 data storage Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
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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
- H04N21/43—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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4383—Accessing a communication channel
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/214—Specialised server platform, e.g. server located in an airplane, hotel, hospital
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/214—Specialised server platform, e.g. server located in an airplane, hotel, hospital
- H04N21/2143—Specialised server platform, e.g. server located in an airplane, hotel, hospital located in a single building, e.g. hotel, hospital or museum
-
- 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
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
- H04N21/4583—Automatically resolving scheduling conflicts, e.g. when a recording by reservation has been programmed for two programs in the same time slot
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Software Systems (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
The invention discloses a television channel updating method and a system, wherein the method comprises the following steps: when a playing instruction of a target channel is received, inquiring whether first channel data required by playing the target channel is stored or not; when the query result is negative, second channel data which are stored in advance and are associated with the target channel are obtained, and the second channel data comprise a main channel number, a sub channel number, a physical channel number and a modulation frequency of the target channel; performing channel scanning according to the modulation frequency to acquire first channel data of each channel modulated by the modulation frequency; receiving a first channel data acquisition instruction, acquiring a main channel number, a sub channel number and a physical channel number of a target channel according to the first channel data acquisition instruction, and acquiring first channel data required for playing the target channel from the first channel data of each channel; and playing the target channel according to the acquired first channel data. The invention can complete channel update quickly without scanning all channels, to meet the need of practical application.
Description
Technical field
The present invention relates to digital TV technologies, more particularly to a kind of television channel update method and system.
Background technique
For conventional domestic DTV, before watching TV programme, requires to carry out channel scanning movement, will own
Television channel all search out to come and preserve, for consumer TV applications, the channel of TV is opposite to be fixed, and is only needed
Once sweep platform and act that use can be met.And for the TV that special occasions uses, such as hotel television, hospital's TV,
The update of television channel is more frequent, such as hotel's purchase film is supplied to user's viewing, needs to update hotel television channel, and
The TV for having many rooms simultaneously needs to update television channel, needs to carry out all-channel in this way and sweeps platform, takes time and effort, cause to use
Family cannot watch the television channel of update in time.
Summary of the invention
Based on the above situation, the invention proposes a kind of television channel update method and systems, sweep without carrying out all-channel
Channel update is rapidly completed in platform, meets practical application needs.
To achieve the goals above, the embodiment of technical solution of the present invention are as follows:
A kind of television channel update method, comprising the following steps:
When receiving the play instruction of target channel, whether inquiry stores the first frequency needed for playing the target channel
Track data；
When inquire do not store play the target channel needed for the first channel data when, obtain store in advance with
Associated second channel data of target channel, second channel data include dominant frequency Taoist monastic name, the son of the target channel
Channel number, physical channel number and modulating frequency；
Channel scanning is carried out according to the modulating frequency of the target channel, obtains the modulating frequency modulation of the target channel
Each channel the first channel data；
The first channel data acquisition instruction is received, and according to the first channel data acquisition instruction and the target
Dominant frequency Taoist monastic name, subchannel number and the physical channel number of channel obtain in the first channel data of each channel and play institute
State the first channel data needed for target channel；
The target channel is played according to the first channel data needed for the broadcasting target channel of acquisition.
In addition, in a specific example, according to the first channel data acquisition instruction and the target channel
Dominant frequency Taoist monastic name, subchannel number and physical channel number obtain in the first channel data of each channel and play the target
The mode of first channel data needed for channel includes:
When the first channel data acquisition instruction is to be obtained to play the target frequency according to dominant frequency Taoist monastic name and subchannel number
When the first channel data needed for road, dominant frequency Taoist monastic name and target frequency are obtained in the first channel data of each channel
The dominant frequency Taoist monastic name in road is identical, and subchannel number with the subchannel number of the target channel identical first channel data；
Needed for the first channel data acquisition instruction is to obtain the broadcasting target channel according to physical channel number
When the first channel data, the object of physical channel number and the target channel is obtained in the first channel data of each channel
Manage identical first channel data of channel number.
In addition, being obtained in the first channel data of each channel in a specific example and playing the target
After first channel data needed for channel, before playing the target channel, further comprise the steps of:
First channel data needed for the broadcasting target channel that will acquire is deposited after being associated with the target channel
Storage.
In addition, in a specific example, when according to the first channel data acquisition instruction and the target channel
Dominant frequency Taoist monastic name, subchannel number and physical channel number, do not get broadcasting in the first channel data of each channel
When the first channel data needed for the target channel, dominant frequency Taoist monastic name, the son of the target channel are obtained from television modulator
Channel number, physical channel number and modulating frequency, according to dominant frequency Taoist monastic name, the son of the target channel obtained from television modulator
Channel number, physical channel number and modulating frequency update store in advance with associated second channel data of the target channel, will
It is updated with associated second channel data of the target channel as it is new store in advance be associated with the target channel
The second channel data, return when inquire play the target channel without storage needed for the first channel data when, obtain pre-
The step of the second channel data associated with the target channel first stored.
In addition, second channel data further includes the antenna type of the target channel, adjusts in a specific example
Type processed, channel whether skip with it is any one or more in channel designation.
A kind of television channel more new system, comprising:
First channel data enquiry module, for inquiring whether to store and broadcast when receiving the play instruction of target channel
Put the first channel data needed for the target channel；
Second channel data obtains module, does not store the first frequency needed for playing the target channel for working as to inquire
When track data, obtain store in advance with associated second channel data of the target channel, second channel data includes
Dominant frequency Taoist monastic name, subchannel number, physical channel number and the modulating frequency of the target channel；
Channel scanning module obtains the target for carrying out channel scanning according to the modulating frequency of the target channel
First channel data of each channel of the modulating frequency modulation of channel；
First channel data obtains module, for receiving the first channel data acquisition instruction, and according to first channel
Dominant frequency Taoist monastic name, subchannel number and the physical channel number of data acquisition instruction and the target channel, in each channel
The first channel data needed for playing the target channel is obtained in first channel data；
Channel playing module, for described in the first channel data broadcasting needed for the broadcasting target channel according to acquisition
Target channel.
In addition, first channel data obtains module and includes: in a specific example
First channel data first acquisition unit, for being according to dominant frequency Taoist monastic name when the first channel data acquisition instruction
When obtaining the first channel data needed for playing the target channel with subchannel number, in the first channel number of each channel
It is identical as the dominant frequency Taoist monastic name of the target channel according to middle acquisition dominant frequency Taoist monastic name, and the subchannel of subchannel number and the target channel
Number identical first channel data；
First channel data second acquisition unit, for being according to physical channel when the first channel data acquisition instruction
When number obtaining the first channel data needed for playing the target channel, obtained in the first channel data of each channel
Physical channel number the first channel data identical with the physical channel number of the target channel.
In addition, further including the first channel data memory module in a specific example, in first channel number
After obtaining the first channel data needed for module obtains the broadcasting target channel, the broadcasting that the will acquire target channel institute
The first channel data needed is stored after being associated with the target channel；
Channel playing module is needed for the broadcasting target channel that the first channel data memory module will acquire
After the storage of first channel data, the target frequency is played according to the first channel data needed for the broadcasting target channel of acquisition
Road.
In addition, further including the second channel data update module in a specific example, for working as first channel number
According to obtain module according to the dominant frequency Taoist monastic name of the first channel data acquisition instruction and the target channel, subchannel number and
Physical channel number is not got in the first channel data of each channel first needed for playing the target channel
When channel data, dominant frequency Taoist monastic name, subchannel number, physical channel number and the modulation of the target channel are obtained from television modulator
Frequency, according to dominant frequency Taoist monastic name, subchannel number, physical channel number and the modulation of the target channel obtained from television modulator
Frequency update store in advance with associated second channel data of the target channel；
When inquiring without the first channel data needed for the storage broadcasting target channel, second channel data is obtained
Modulus block obtains updated and associated second channel data of the target channel.
In addition, second channel data further includes the antenna type of the target channel, adjusts in a specific example
Type processed, channel whether skip with it is any one or more in channel designation.
Compared with prior art, the invention has the benefit that television channel update method of the present invention and system, work as switching
When channel, the first channel data needed for whether storing broadcasting target channel is first inquired, if not having, reads second stored in advance
Channel data starts background scanning mechanism according to the modulating frequency of target channel in the second channel data, and based on the received first
In channel data acquisition instruction and the second channel data dominant frequency Taoist monastic name, subchannel number and the physical channel number of target channel from
It in the channel data that backstage is swept to, obtains the first channel data needed for playing target channel and plays out, be not required to carry out complete
Channel sweeps platform, and the first channel data needed for quick obtaining plays target channel carries out channel broadcasting, improves television channel and updates
Efficiency makes user watch the television channel of update in time, meets the television channel more new demand of special occasions.
Detailed description of the invention
Fig. 1 is television channel update method flow chart in one embodiment；
Fig. 2 is hotel/hospital's television system connection schematic diagram in one embodiment；
Fig. 3 is based on television channel update method flow chart in method one shown in Fig. 1 specific example；
Fig. 4 is that television channel updates system structure diagram in one embodiment.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, with reference to the accompanying drawings and embodiments, to this
Invention is described in further detail.It should be appreciated that the specific embodiments described herein are only used to explain the present invention,
And the scope of protection of the present invention is not limited.
Television channel update method in one embodiment, as shown in Figure 1, comprising the following steps:
Step S101: when receiving the play instruction of target channel, whether inquiry, which stores, plays the target channel institute
The first channel data needed；
Here, first channel data is the complete channel data for playing the target channel.
Specifically, when the channel is switched, whether channel data needed for inquiry plays target channel first is perfect.
Step S102: when inquire do not store play the target channel needed for the first channel data when, obtain pre-
First store with associated second channel data of the target channel, second channel data includes the master of the target channel
Channel number, subchannel number, physical channel number and modulating frequency；
Step S103: channel scanning is carried out according to the modulating frequency of the target channel, obtains the tune of the target channel
Make the first channel data of warbled each channel；
Here, channel scanning to channel data specifically include the target channel modulating frequency on all frequencies for modulating
Complete channel data needed for the normal play in road, for example there are three channels for a Frequency point modulation, can scan each
Complete channel data needed for channel normal play.
Step S104: receiving the first channel data acquisition instruction, and according to the first channel data acquisition instruction, and
Dominant frequency Taoist monastic name, subchannel number and the physical channel number of the target channel obtain in the first channel data of each channel
Take the first channel data needed for playing the target channel；
Step S105: the target frequency is played according to the first channel data needed for the broadcasting target channel of acquisition
Road.
It is evidenced from the above discussion that television channel update method of the present invention, is not required to progress all-channel and sweeps platform, channel is rapidly completed
It updates, improves television channel and update efficiency, so that user is watched the television channel of update in time, meet the television channel of special occasions
More new demand.
In addition, in a specific example, according to the first channel data acquisition instruction and the target channel
Dominant frequency Taoist monastic name, subchannel number and physical channel number obtain in the first channel data of each channel and play the target
The mode of first channel data needed for channel includes:
When the first channel data acquisition instruction is to be obtained to play the target frequency according to dominant frequency Taoist monastic name and subchannel number
When the first channel data needed for road, dominant frequency Taoist monastic name and target frequency are obtained in the first channel data of each channel
The dominant frequency Taoist monastic name in road is identical, and subchannel number with the subchannel number of the target channel identical first channel data；
Needed for the first channel data acquisition instruction is to obtain the broadcasting target channel according to physical channel number
When the first channel data, the object of physical channel number and the target channel is obtained in the first channel data of each channel
Manage identical first channel data of channel number.
Second channel data structure of a channel in one embodiment:
The first of each channel of the modulating frequency modulation of the target channel can be scanned according to above-mentioned channel scanning
Channel data, the process for obtaining the first channel data needed for playing target channel is: the first channel data based on the received
Acquisition instruction finds the MajorNum/ of a channel in the first channel data that these scan each channel come
MinorNum is equal to the MajorNum/MinorNum of target channel, or finds the physics program number an of channel
U16ProgramNumber is equal to the PhysicalNum of target channel, finds channel required for our, simply, conveniently, can be with
First channel data needed for accurate acquisition plays target channel, meets practical application needs.
In addition, being obtained in the first channel data of each channel in a specific example and playing the target
After first channel data needed for channel, before playing the target channel, further comprise the steps of:
First channel data needed for the broadcasting target channel that will acquire is deposited after being associated with the target channel
Storage.
Find out play target channel needed for the first channel data, by the information found be stored in it is corresponding in addition open up deposit
It stores up in space, it, can direct the first channel according to needed for the broadcasting target channel of storage if again switching to the target channel
Data playback goes out the target channel, meets practical application needs.
In addition, in a specific example, when according to the first channel data acquisition instruction and the target channel
Dominant frequency Taoist monastic name, subchannel number and physical channel number, do not get broadcasting in the first channel data of each channel
When the first channel data needed for the target channel, dominant frequency Taoist monastic name, the son of the target channel are obtained from television modulator
Channel number, physical channel number and modulating frequency, according to dominant frequency Taoist monastic name, the son of the target channel obtained from television modulator
Channel number, physical channel number and modulating frequency update store in advance with associated second channel data of the target channel, will
It is updated with associated second channel data of the target channel as it is new store in advance be associated with the target channel
The second channel data, return when inquire play the target channel without storage needed for the first channel data when, obtain pre-
The step of the second channel data associated with the target channel first stored.
If according to dominant frequency Taoist monastic name, subchannel number and the physics of above-mentioned first channel data acquisition instruction and target channel
Channel number is not found in the first channel data of each channel of the modulating frequency modulation of the above-mentioned target channel scanned
When the first channel data needed for playing target channel, illustrate in pre-stored and associated second channel data of target channel
Information may be wrong, need to obtain from television modulator the dominant frequency Taoist monastic name of target channel, subchannel number, physical channel number and
Modulating frequency, then again root pre-stored with associated second channel data of target channel according to the information update got
Subsequent processing is carried out according to updated second channel data, i.e., channel is carried out according to the modulating frequency of updated target channel and swept
It retouches, obtains the first channel data of each channel of the modulating frequency modulation of updated target channel, further obtain and play
First channel data needed for target channel carries out channel broadcasting.
In addition, second channel data further includes the antenna type of the target channel, adjusts in a specific example
Type processed, channel whether skip with it is any one or more in channel designation.It can satisfy a variety of application needs, such as channel
Whether skip, it can set whether certain room user can be switched on this channel；It is aobvious can to set this channel for channel designation
The channel designation etc. shown.
The application of the above method in order to better understand, a television channel update method of the present invention detailed below is real
Example.
This application example is by taking hotel or hospital digital television system as an example, as shown in Fig. 2, utilizing the external string on TV
Mouthful, then by this serial ports, remotely edit channel information, be remotely guided on destination television by serial ports again after the completion.
Hotel or hospital's television system use Uart (Universal Asynchronous Receiver/
Transmitter universal synchronous/asynchronous receiving-transmitting transmitter) transmission, transmission rate is restricted, in order to transmission stability and
Correctness, serial ports rate maximum is used to 115200, and when the data volume of transmission is big, needing to transmit the long period could be completed.
The DTV channel of one standard need to include following data structure:
As can be seen that a DTV channel needs to obtain many information, including Version from data structure
Number, various ID etc., and the unique channel that tradition TV obtains these information is exactly to pass through all-channel to sweep platform.
As shown in figure 3, above-mentioned television channel update method may comprise steps of:
Step S301: hotel or hospital system administrator construct the second channel data of each channel and store, then
It will be on the TV of the data transmission after preservation to each room；
Second channel data includes following data structure:
That is the second channel data includes dominant frequency Taoist monastic name, subchannel number, physical channel number, modulating frequency, antenna type, modulation
Whether type, channel skip and channel designation；
The information that the hotel data Dou Shi or hospital system administrator needed in above described structure can be learnt, due to management
Personnel manage the modulation and transmission of television channel, therefore above- mentioned information can be obtained from modulating apparatus, as skip and
U8ServiceName administrative staff, which can according to need, to edit, and carries out personalized customization；
Step S302: when the play instruction of television reception to target channel, whether inquiry, which stores, plays the target frequency
First channel data needed for road；
First channel data is the complete channel data for playing the target channel, i.e. the DTV frequency of above-mentioned standard
The data that road need to include；
Step S303: when the first channel data needed for inquiring storage and playing the target channel, according to inquiring
The first channel data play the target channel；
Step S304: when inquire do not store play the target channel needed for the first channel data when, in acquisition
State store in advance with associated second channel data of the target channel；
Step S305: channel scanning is carried out according to the modulating frequency of the target channel, obtains the tune of the target channel
Make the first channel data of warbled each channel；
Here, channel scanning to channel data specifically include the target channel modulating frequency on all frequencies for modulating
Complete channel data needed for the normal play in road, for example there are three channels for a Frequency point modulation, can scan each
Complete channel data needed for channel normal play.
Step S306: television reception the first channel data acquisition instruction；
Step S307: according to the dominant frequency Taoist monastic name of the first channel data acquisition instruction and the target channel, son frequency
Taoist monastic name and physical channel number are obtained in the first channel data of each channel first needed for playing the target channel
Channel data；
It specifically includes: when the first channel data acquisition instruction plays institute to obtain according to dominant frequency Taoist monastic name and subchannel number
When the first channel data needed for stating target channel, dominant frequency Taoist monastic name and institute are obtained in the first channel data of each channel
The dominant frequency Taoist monastic name for stating target channel is identical, and subchannel number with the subchannel number of the target channel identical first channel number
According to；
Needed for the first channel data acquisition instruction is to obtain the broadcasting target channel according to physical channel number
When the first channel data, the object of physical channel number and the target channel is obtained in the first channel data of each channel
Manage identical first channel data of channel number；
The first of each channel of the modulating frequency modulation of the target channel can be scanned according to above-mentioned channel scanning
Channel data, the process for obtaining the first channel data needed for playing target channel is: the first channel data based on the received
Acquisition instruction finds the MajorNum/ of a channel in the first channel data that these scan each channel come
MinorNum is equal to the MajorNum/MinorNum of target channel, or finds the physics program number an of channel
U16ProgramNumber is equal to the PhysicalNum of target channel, finds channel required for us.
Step S308: when dominant frequency Taoist monastic name, the son according to the first channel data acquisition instruction and the target channel
Channel number and physical channel number do not get in the first channel data of each channel and play the target channel institute
When the first channel data needed, dominant frequency Taoist monastic name, the subchannel number, physical channel of the target channel are obtained from television modulator
Number and modulating frequency, according to the dominant frequency Taoist monastic name of the target channel obtained from television modulator, subchannel number, physical channel
Number and modulating frequency update store in advance with associated second channel data of the target channel, will the updated and mesh
Mark channel association the second channel data as newly store in advance with associated second channel data of the target channel, return
Return step S304；
If according to dominant frequency Taoist monastic name, subchannel number and the physics of above-mentioned first channel data acquisition instruction and target channel
Channel number is not found in the first channel data of each channel of the modulating frequency modulation of the above-mentioned target channel scanned
When the first channel data needed for playing target channel, illustrate in pre-stored and associated second channel data of target channel
Information may be wrong, need to obtain from television modulator the dominant frequency Taoist monastic name of target channel, subchannel number, physical channel number and
Modulating frequency, then again root pre-stored with associated second channel data of target channel according to the information update got
Subsequent processing is carried out according to updated second channel data, i.e., channel is carried out according to the modulating frequency of updated target channel and swept
It retouches, obtains the first channel data of each channel of the modulating frequency modulation of updated target channel, further obtain and play
First channel data needed for target channel carries out channel broadcasting.
Step S309: the first channel data needed for the broadcasting target channel that will acquire is associated with the target channel
After stored；
Step S310: the target frequency is played according to the first channel data needed for the broadcasting target channel of acquisition
Road.
It is evidenced from the above discussion that the present embodiment constructs the second channel data of each channel in advance and stored, when cutting
When changing channel, first inquire whether store play target channel needed for the first channel data if not having read the stored in advance
Two channel datas start background scanning mechanism according to the modulating frequency of target channel in the second channel data, and based on the received the
Dominant frequency Taoist monastic name, subchannel number and the physical channel number of target channel in one channel data acquisition instruction and the second channel data
From the channel data swept to from the background, obtains the first channel data needed for playing target channel and play out, be not required to carry out
All-channel sweeps platform, and the first channel data needed for quick obtaining plays target channel carries out channel broadcasting, improves television channel more
New efficiency makes user watch the television channel of update in time, meets the television channel more new demand of special occasions.
Television channel more new system in one embodiment, as shown in Figure 4, comprising:
First channel data enquiry module 401, for when receiving the play instruction of target channel, whether inquiry to be stored
Play the first channel data needed for the target channel；
Second channel data obtains module 402, for not storing needed for playing the target channel the when inquiring
When one channel data, obtain store in advance with associated second channel data of the target channel, second channel data
Dominant frequency Taoist monastic name, subchannel number, physical channel number and modulating frequency including the target channel；
Channel scanning module 403 obtains the mesh for carrying out channel scanning according to the modulating frequency of the target channel
Mark the first channel data of each channel of the modulating frequency modulation of channel；
First channel data obtains module 404, for receiving the first channel data acquisition instruction, and according to first frequency
Dominant frequency Taoist monastic name, subchannel number and the physical channel number of track data acquisition instruction and the target channel, in each channel
The first channel data in obtain play the target channel needed for the first channel data；
Channel playing module 405 is played for the first channel data needed for the broadcasting target channel according to acquisition
The target channel.
As shown in figure 4, first channel data obtains module 404 and includes: in a specific example
First channel data first acquisition unit 4041, for being according to dominant frequency when the first channel data acquisition instruction
When the first channel data needed for Taoist monastic name and subchannel number obtain the broadcasting target channel, in the first frequency of each channel
It is identical as the dominant frequency Taoist monastic name of the target channel that dominant frequency Taoist monastic name is obtained in track data, and the son of subchannel number and the target channel
Identical first channel data of channel number；
First channel data second acquisition unit 4042, for being according to physics when the first channel data acquisition instruction
When the first channel data needed for channel number obtains the broadcasting target channel, in the first channel data of each channel
Obtain physical channel number the first channel data identical with the physical channel number of the target channel.
Second channel data structure of a channel in one embodiment:
The first of each channel of the modulating frequency modulation of the target channel can be scanned according to above-mentioned channel scanning
Channel data, the process for obtaining the first channel data needed for playing target channel is: the first channel data based on the received
Acquisition instruction finds the MajorNum/ of a channel in the first channel data that these scan each channel come
MinorNum is equal to the MajorNum/MinorNum of target channel, or finds the physics program number an of channel
U16ProgramNumber is equal to the PhysicalNum of target channel, finds channel required for our, simply, conveniently, can be with
First channel data needed for accurate acquisition plays target channel, meets practical application needs.
As shown in figure 4, the television channel more new system further includes the storage of the first channel data in a specific example
Module 406, for obtaining the first channel number needed for module 404 obtains the broadcasting target channel in first channel data
According to rear, the first channel data needed for the broadcasting target channel that will acquire is stored after being associated with the target channel；
The broadcasting target channel that channel playing module 405 will acquire in the first channel data memory module 406
After required the first channel data storage, according to the first channel data broadcasting needed for the broadcasting target channel of acquisition
Target channel.
Find out play target channel needed for the first channel data, by the information found be stored in it is corresponding in addition open up deposit
It stores up in space, it, can direct the first channel according to needed for the broadcasting target channel of storage if again switching to the target channel
Data playback goes out the target channel, meets practical application needs.
As shown in figure 4, the television channel more new system further includes that the second channel data updates in a specific example
Module 407, for obtaining module 404 according to the first channel data acquisition instruction, Yi Jisuo when first channel data
Dominant frequency Taoist monastic name, subchannel number and the physical channel number for stating target channel do not have in the first channel data of each channel
When getting the first channel data needed for playing the target channel, the master of the target channel is obtained from television modulator
Channel number, subchannel number, physical channel number and modulating frequency, according to the master of the target channel obtained from television modulator
Channel number, subchannel number, physical channel number and modulating frequency update store in advance with associated second frequency of the target channel
Track data；
When inquiring without the first channel data needed for the storage broadcasting target channel, second channel data is obtained
Modulus block 402 obtains updated and associated second channel data of the target channel.
If according to dominant frequency Taoist monastic name, subchannel number and the physics of above-mentioned first channel data acquisition instruction and target channel
Channel number is not found in the first channel data of each channel of the modulating frequency modulation of the above-mentioned target channel scanned
When the first channel data needed for playing target channel, illustrate in pre-stored and associated second channel data of target channel
Information may be wrong, need to obtain from television modulator the dominant frequency Taoist monastic name of target channel, subchannel number, physical channel number and
Modulating frequency, then again root pre-stored with associated second channel data of target channel according to the information update got
Subsequent processing is carried out according to updated second channel data, i.e., channel is carried out according to the modulating frequency of updated target channel and swept
It retouches, obtains the first channel data of each channel of the modulating frequency modulation of updated target channel, further obtain and play
First channel data needed for target channel carries out channel broadcasting.
In addition, second channel data further includes the antenna type of the target channel, adjusts in a specific example
Type processed, channel whether skip with it is any one or more in channel designation.It can satisfy a variety of application needs, such as channel
Whether skip, it can set whether certain room user can be switched on this channel；It is aobvious can to set this channel for channel designation
The channel designation etc. shown.
It is evidenced from the above discussion that television channel of the present invention more new system, is not required to progress all-channel and sweeps platform, channel is rapidly completed
It updates, improves television channel and update efficiency, so that user is watched the television channel of update in time, meet the television channel of special occasions
More new demand.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of television channel update method, is characterized in that, comprising the following steps:
When receiving the play instruction of target channel, the first channel number needed for whether inquiry stores the broadcasting target channel
According to；First channel data is the complete channel data for playing the target channel；
When inquire do not store play the target channel needed for the first channel data when, obtain store in advance with it is described
Associated second channel data of target channel, second channel data include the dominant frequency Taoist monastic name of the target channel, subchannel
Number, physical channel number and modulating frequency；
Channel scanning is carried out according to the modulating frequency of the target channel, obtains each of the modulating frequency modulation of the target channel
First channel data of a channel；
The first channel data acquisition instruction is received, and according to the first channel data acquisition instruction and the target channel
Dominant frequency Taoist monastic name, subchannel number and physical channel number, obtained in the first channel data of each channel and play the mesh
First channel data needed for marking channel；
The target channel is played according to the first channel data needed for the broadcasting target channel of acquisition.
2. television channel update method according to claim 1, which is characterized in that obtained according to first channel data
Dominant frequency Taoist monastic name, subchannel number and the physical channel number of instruction and the target channel, in the first channel of each channel
The mode of the first channel data needed for the acquisition broadcasting target channel includes: in data
When the first channel data acquisition instruction plays the target channel institute to obtain according to dominant frequency Taoist monastic name and subchannel number
When the first channel data needed, dominant frequency Taoist monastic name and the target channel are obtained in the first channel data of each channel
Dominant frequency Taoist monastic name is identical, and subchannel number with the subchannel number of the target channel identical first channel data；
First needed for being to obtain the broadcasting target channel according to physical channel number when the first channel data acquisition instruction
When channel data, the physics frequency of physical channel number and the target channel is obtained in the first channel data of each channel
Identical first channel data of Taoist monastic name.
3. television channel update method according to claim 1 or 2, which is characterized in that the first of each channel
After obtaining the first channel data needed for playing the target channel in channel data, before playing the target channel, also
Comprising steps of
First channel data needed for the broadcasting target channel that will acquire is stored after being associated with the target channel.
4. television channel update method according to claim 1, which is characterized in that obtained when according to first channel data
Dominant frequency Taoist monastic name, subchannel number and the physical channel number of instruction fetch and the target channel, in the first frequency of each channel
When not getting the first channel data needed for playing the target channel in track data, from television modulator described in acquisition
Dominant frequency Taoist monastic name, subchannel number, physical channel number and the modulating frequency of target channel, according to being obtained from television modulator
The dominant frequency Taoist monastic name of target channel, subchannel number, physical channel number and modulating frequency update storing in advance with the target channel
Associated second channel data, using updated and associated second channel data of the target channel as new preparatory storage
With associated second channel data of the target channel, return when inquiry plays needed for the target channel the without storage
When one channel data, obtain store in advance the second channel data associated with the target channel the step of.
5. television channel update method according to claim 1, which is characterized in that second channel data further includes institute
State target channel antenna type, modulation type, channel whether skip with it is any one or more in channel designation.
6. a kind of television channel more new system, is characterized in that, comprising:
First channel data enquiry module, for when receiving the play instruction of target channel, whether inquiry to store broadcasting institute
State the first channel data needed for target channel；First channel data is the complete channel number for playing the target channel
According to；
Second channel data obtains module, for when inquire do not store play the target channel needed for the first channel number
According to when, obtain store in advance with associated second channel data of the target channel, second channel data includes described
Dominant frequency Taoist monastic name, subchannel number, physical channel number and the modulating frequency of target channel；
Channel scanning module obtains the target channel for carrying out channel scanning according to the modulating frequency of the target channel
Modulating frequency modulation each channel the first channel data；
First channel data obtains module, for receiving the first channel data acquisition instruction, and according to first channel data
Dominant frequency Taoist monastic name, subchannel number and the physical channel number of acquisition instruction and the target channel, the first of each channel
The first channel data needed for playing the target channel is obtained in channel data；
Channel playing module plays the target for the first channel data needed for the broadcasting target channel according to acquisition
Channel.
7. television channel according to claim 6 more new system, which is characterized in that first channel data obtains module
Include:
First channel data first acquisition unit, for being according to dominant frequency Taoist monastic name and son when the first channel data acquisition instruction
When the first channel data needed for channel number obtains the broadcasting target channel, in the first channel data of each channel
It is identical as the dominant frequency Taoist monastic name of the target channel to obtain dominant frequency Taoist monastic name, and the subchannel phase of subchannel number and the target channel
The first same channel data；
First channel data second acquisition unit, for being to be obtained according to physical channel number when the first channel data acquisition instruction
When taking the first channel data needed for playing the target channel, physics is obtained in the first channel data of each channel
Channel number the first channel data identical with the physical channel number of the target channel.
8. television channel according to claim 6 or 7 more new system, which is characterized in that further include that the first channel data is deposited
Module is stored up, for obtaining the first channel data needed for module obtains the broadcasting target channel in first channel data
Afterwards, the first channel data needed for the broadcasting target channel that will acquire is stored after being associated with the target channel；
Channel playing module is first needed for the broadcasting target channel that the first channel data memory module will acquire
After channel data storage, the target channel is played according to the first channel data needed for the broadcasting target channel of acquisition.
9. television channel according to claim 7 more new system, which is characterized in that further include that the second channel data updates mould
Block, for obtaining module according to the first channel data acquisition instruction and target frequency when first channel data
Dominant frequency Taoist monastic name, subchannel number and the physical channel number in road do not get in the first channel data of each channel and broadcast
When the first channel data needed for putting the target channel, obtained from television modulator the target channel dominant frequency Taoist monastic name,
Subchannel number, physical channel number and modulating frequency, according to the dominant frequency Taoist monastic name of the target channel obtained from television modulator,
Subchannel number, physical channel number and modulating frequency update store in advance with associated second channel data of the target channel；
When inquiring without the first channel data needed for the storage broadcasting target channel, second channel data obtains mould
Block obtains updated and associated second channel data of the target channel.
10. television channel according to claim 6 more new system, which is characterized in that second channel data further includes
Antenna type, modulation type, the channel of the target channel whether skip with it is any one or more in channel designation.
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