CN110337004A - A kind of TV program transmitting method and system - Google Patents
A kind of TV program transmitting method and system Download PDFInfo
- Publication number
- CN110337004A CN110337004A CN201910610934.XA CN201910610934A CN110337004A CN 110337004 A CN110337004 A CN 110337004A CN 201910610934 A CN201910610934 A CN 201910610934A CN 110337004 A CN110337004 A CN 110337004A
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- program
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- dtv
- file
- digital television
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
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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
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43637—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
-
- 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
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4782—Web browsing, e.g. WebTV
Abstract
The invention discloses a kind of TV program transmitting method and system, including user terminal, user terminal, which is received, to be compressed using multi-path high-definition statistical-multiplexing encoding device and is packaged with more set digital television programs of EPG, multiple single-unit mesh IP streams are converted to by broadcast reception box, after video server carries out program parsing, EPG is extracted, is broadcast live and reviews processing, dns resolution and Web service, it is connect with mobile phone, plate or computer terminal realize TV program transmitting respectively.Have both DTV and Web TV advantage, high definition, real-time, multi-user, interaction, non-Caton, zero delivery, wide covering.
Description
Technical field
The invention belongs to TV technologies, and in particular to a kind of TV program transmitting method and system.
Background technique
Currently, TV program transmitting mainly passes through two kinds of systems, it is referred to as DTV and Web TV.DTV
It can be propagated by satellite, wired, three kinds of ground mode, have the characteristics that high image quality, in real time, extensively cover；Web TV can be with
By IPTV private network or OTT transmission on Internet, have the characteristics that interaction, flexibly, facilitate.DTV and Web TV respectively have excellent lack
Point, and respectively advantage is other side's disadvantage.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of TV programme
Transmission method and system broadcast tens sets of high-definition programs with a digital TV channel or satellite repeater, are mixed into hotel/meal
Shop/airport/hospital/family's WiFi network, user mobile phone join the WiFi at this, may be viewed by these high-definition programs on a web browser
And reviewed in more days, have both DTV and Web TV advantage.
The invention adopts the following technical scheme:
A kind of TV program transmitting system, including user terminal, user terminal, which receives, uses multi-path high-definition statistical-multiplexing encoding device
The more set digital television programs for compressing and being packaged with EPG are converted to multiple single-unit mesh IP by broadcast reception box and flow, take through video
Business device carry out program parsing, EPG extract, be broadcast live and review processing, dns resolution and Web service after, respectively with mobile phone, plate or
TV program transmitting is realized in computer terminal connection.
Specifically, EPG is encapsulated into compressed code stream using electronic program guides packaging method, code stream is through digital electricity
Depending on debugging, broadcast reception box is sent to by broadcast mode.
Specifically, video server can require to generate corresponding live streaming and recording according to the live streaming and recording duration of setting
TS file cocurrent send to terminal and realizes TV program transmitting；And dns resolution service is provided, complete the local parsing of browsing domain name.
Further, video server includes digital television signal processing server, DTV Web server and file
Shared Samba server；Digital television signal processing server is capable of handling the DTV that DVB broadcast broadcast reception box is sent
UDP packet；File-sharing Samba server, which can save, records TS file, and DTV Web server can save live streaming TS text
Part can provide the user with digital TV video frequency and play service.
Another technical solution of the invention is a kind of TV program transmitting method, comprising the following steps:
S1, more set digital television programs are compressed using multi-path high-definition statistical-multiplexing encoding device, is sealed using electronic program guides
EPG is encapsulated into compressed digital television program code stream by dress method, and compressed code stream passes through after DTV is debugged
Broadcast mode is emitted to user terminal；
S2, broadcast reception box are sent to video server, the number of video server after receiving the digital television information sent
Word processing television signals server handles received digital television information, and live streaming TS file and JSON file are sent to
DTV Web server；TS file will be recorded and be sent to DTV Web server through file-sharing Samba server；
Digital television program is sent to digital television client or browsing by treated for S3, DTV Web server
Device realizes TV program transmitting.
Specifically, in step S1, electronic program guides packaging method specifically: DTV is turned to the electronics of Web TV
Program guide (EPG) information is segmented by program, and every section of programme information includes program initial time and program name information, often
Of length no more than 180 bytes of section；Then it is periodically packaged in the adjustment field of insertion video TS packet or audio TS packet.
Further, the adjustment field format of video TS packet is as follows: adjusting the first character section storage adjustment field of field
Length information, the second byte be correlating markings position information, byte later is customized adjustment field contents, second word
It saves in mark video frame type；The adjustment field format of audio TS packet is as follows: the audio TS containing PES is packaged in the beginning and is periodically inserted
Enter programme televised live information and trailer information, trailer information is inserted into a plurality of, and each audio TS packages beginning insertion one
Item.
Specifically, selecting HLS as stream media protocol in step S2, DTV web server selects pandorabox
The lightweight Web server uhttpd carried in operating system uses JSON as design digital television signal processing server
OpenWrt system is used using Samba server as file server with the data interchange format of DTV Web server
Built-in dnsmasq builds dns server in system, parses browser domain name.
Specifically, digital television signal processing server parses the EPG information in digital television signal in step S2, with
The form of JSON file is stored under the master catalogue of DTV Web server.
Specifically, in step S3, DTV Web server save all channels live streaming TS file and storage channel,
The JSON file of programme information, and contain the link for being directed toward storage recording program TS file path；DTV Web server
Web page shows the rendition list of channel list and each channel according to JSON file.
Compared with prior art, the present invention at least has the advantages that
A kind of TV program transmitting system of the present invention, user terminal directly receive digital television signal, provide video server
Function, it is preposition local to user to be equivalent to video server, user can zero network flow, without Caton watch these video programs.
Further, EPG is transmitted together with digital TV video frequency or audio TS stream, and receiving end can facilitate extraction EPG information,
Local electronic program guides is formed, user is facilitated to select viewing live streaming and review program.
Further, video server regards user terminal number, and independent video server may be selected or embedded Video service is soft
The intelligent router of part, to realize tv.com domain name mapping, video server can provide DNS service.
Further, video server includes multinomial service, it is therefore an objective to and it completes digital television program and receives and record, it is convenient
User watches live streaming and reviews program.
The invention also discloses a kind of TV program transmitting methods, interact two with user using digital television broadcasting and Wifi
Structure is jumped, DTV real-time high-definition zero delivery feature is had both, and has Web TV interaction convenience.
Further, in electronic program guides encapsulation and video and audio TS packet, facilitate receiving end performance recording and user's interaction
Formula viewing.
Further, HLS service support Android and iPhone browser play, and have compared with highly compatible.
Further, JSON database facilitates user to transfer EPG information.
Further, programme televised live storage in memory, reviews program storage in a hard disk, by JSON database, closes
Connection is broadcast live and reviews program path.
In conclusion the present invention has both DTV and Web TV advantage, high definition, in real time, multi-user, interaction, do not block
Pause, zero delivery, wide covering.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is present system block diagram；
The 32 tunnel high definition statistical-multiplexing encoding interface Tu2Wei；
Fig. 3 is user terminal system connection；
Fig. 4 is wireless routing end system block diagram；
Fig. 5 is that programme televised live mobile phone watches surface chart；
Fig. 6 is channel selection interface figure；
Fig. 7 is to review program selection interface figure.
Specific embodiment
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Referring to Fig. 1, a kind of TV program transmitting system of the present invention, includes the following:
End is broadcasted, more set TV programme are compressed using multi-path high-definition statistical-multiplexing encoding device, compressed code stream is through number
It is emitted after TV debugging, user terminal is transmitted to by broadcast mode；
Wherein, EPG is encapsulated into compressed code stream using electronic program guides packaging method.
User terminal, including broadcast reception box and video server, user terminal is received by broadcast reception box broadcasts end transmitting
Digital television program, be converted to multiple single-unit mesh IP stream, be then fed into video server；Video server is completed IP stream and is connect
It receives, program parsing, EPG extraction, be broadcast live and review the functions such as processing, dns resolution, Web service, pass through WiFi or cable and hand
The connection of the terminals such as machine, plate or computer, as shown in Figure 3.
Video server can be dedicated video server, covers system for the large size WiFi such as airport/hotel and provides
Tv.com video website service；It is also possible to be embedded in the Intelligent wireless router of video server software；It is taken using insertion video
The Intelligent wireless router of business software, tv.com domain name mapping carry out automatically；If, can be by former WiFi using dedicated video server
Dedicated video server ip address is directed toward in network DNS address, to complete the local parsing of tv.com domain name, realizes video server
Local network access.
Locality WiFi is connected using mobile phone, plate etc., enjoys network service, if it exists video server, in a browser
Inputting corresponding network address may be viewed by more set high-definition programs and its reviews in more days.
Referring to Fig. 4, a kind of TV program transmitting method of the present invention, comprising the following steps:
S1, more set TV programme are compressed using multi-path high-definition statistical-multiplexing encoding device, using electronic program guides encapsulation side
EPG is encapsulated into compressed TV programme code stream by method, and compressed code stream passes through broadcast mode after DTV is debugged
It is emitted to user terminal；
EPG is encapsulated into compressed code stream by electronic program guides packaging method specifically:
Using video TS packet or audio TS packet adaptation field, it is inserted into the EPG information of the program, so that Web TV list program stream
In include EPG information；Electronic program guide (EPG) information is segmented by program, is then periodically inserted into video TS packet or sound
It being packaged in the adjustment field of frequency TS packet, every section of programme information includes program initial time and program name information, and every section
Of length no more than 180 bytes.
Wherein, the payload start bit of video or audio TS packet is designated as 1；Adjust field control bit value 11.
Performance guide information is divided into programme televised live information and trailer information, and programme televised live is the section currently broadcasted
Mesh；Trailer is the following program that will be broadcasted, and can have a plurality of trailer, and each period is a program.
The adjustment field format of video TS packet is as follows: adjusting the length letter of the first character section storage adjustment field of field
Breath, the second byte are correlating markings position information, and byte later is customized adjustment field contents, and second byte is for marking
Know video frame type.Video frame type includes video I frame, video B frame and video P frame；Programm name length is up to 128 words
Section, adjustment field save PCR, DTS, channel information and programme televised live information, and adjusting the channel designation in field EPG information is to work as
Channel designation belonging to preceding programme televised live.
Code machine analyzes all programme informations of certain channel in EPG server, obtains present system time in the time started
Programme information between the end time is set to current programme televised live, and an index value is arranged；Code machine according to
Present system time real-time judge its whether after current live program end time, if then updating programme televised live information,
And program ID number is incremented by.
For video TS encapsulation performance guide information, it is inserted into programme televised live information in I frame, P frame is inserted into trailer letter
Breath, in view of the periodicity of IBP frame, performance guide information is periodically inserted into TS packet；For audio TS encapsulation program guide
Information can periodically be inserted into a programme televised live information and a plurality of trailer information, Mei Geyin in every hundreds of audio frames
A programme information is at most inserted into the TS packet that frequency frame starts.
Video server, video clothes are sent to after the digital television information that the broadcast reception box reception of S2, user terminal are sent
The digital television signal processing server of business device handles received digital television information, by live streaming TS file and JSON text
Part is sent to DTV Web server；TS file will be recorded and be sent to DTV Web through file-sharing Samba server
Server；
Digital television signal processing server, DTV Web server and file-sharing Samba server constitute view
The software systems of frequency server, stream media protocol select HLS, carry in web server selection pandorabox operating system
Lightweight Web server uhttpd uses JSON as design digital television signal processing server and DTV Web service
The data interchange format of device uses dnsmasq built-in in OpenWrt system using Samba server as file server
Dns server is built, tv.com domain name is parsed.
Digital television signal processing server is capable of handling the DTV UDP packet that DVB broadcast broadcast reception box is sent, root
According to HLS protocol, require to generate corresponding live streaming and recording TS file according to the live streaming of setting and recording duration respectively.In order to guarantee
Live telecast broadcasting speed, live streaming TS file save in memory, i.e., under the master catalogue of DTV Web server；In order to
Family can play back recording program at any time, record TS file and be stored in mobile hard disk, is i.e. the specific item of file-sharing Samba server
In record.Meanwhile the EPG information in digital television signal processing server parsing digital television signal, in the form of JSON file
It is stored under the master catalogue of DTV Web server.
Digital television program is sent to digital television client or browsing by treated for S3, DTV Web server
Device realizes TV program transmitting.
DTV Web server can provide the user with digital TV video frequency and play service, and kinsfolk is allowed to pass through hand
Machine, the browser of plate and computer or Android client watch digital TV direct program, can also be according to personalized preference
Play back the TV programme recorded.
The live streaming TS file and storage channel, programme information of all channels are saved under DTV Web server master catalogue
JSON file, and containing be directed toward storage record program TS file path link.The Web page of DTV Web server,
The rendition list of channel list and each channel is shown according to JSON file, user can pass through browser or Android client
End voluntarily selects digital TV direct program or recording program to play out.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being described and shown in usually here in attached drawing is real
The component for applying example can be arranged and be designed by a variety of different configurations.Therefore, below to the present invention provided in the accompanying drawings
The detailed description of embodiment be not intended to limit the range of claimed invention, but be merely representative of of the invention selected
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 2, telling about the specific implementation of specific this TV broadcast system by taking cable television as an example.
It broadcasts end and 32 sets of TV programme is compressed using " multi-path high-definition statistical-multiplexing encoding device (model: TS-10032) ".It is right
It is modulated in the DVB-C 64QAM of 8MHz bandwidth, uses 36Mbps code rate, 32 sets of 720p high-definition program statistical-multiplexing encodings, program
For quality up to 4~5 grades, coding interface is shown in Fig. 2.
Code stream after coding is sent into DVB-C modulator and is transformed to RF signal, passed through cable television point with the output of ASI format
User terminal is sent into distribution.
Cable TV signal is accessed " broadcast reception box (model: Tongshi_C200) " by user terminal, is converted into 32 lists
Program IP stream, is sent into " Intelligent wireless router (model: Newifi3) " for being embedded in video server software.
If desired look back function, Newifi3 need plug-in USB mobile hard disk, and 1T hard disk can be reserved for 3 days programs, and 2T hard disk can
Save one week program.
Referring to Fig. 5, EPG, is encapsulated into compressed code stream by Fig. 6 and Fig. 7 using electronic program guides packaging method,
EPG information contains the information such as program channel title, current program name, future program time and title, Fig. 5 live streaming viewing interface
Show current program name and next programm name；Fig. 6 channel selection interface lists live program channel；Fig. 7 program is single-row
Program, current live program, trailer information are reviewed out.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (10)
1. a kind of TV program transmitting system, which is characterized in that including user terminal, user terminal receives multiple using multi-path high-definition statistics
With encoder compresses and more set digital television programs of EPG are packaged with, multiple single-unit mesh IP are converted to by broadcast reception box and are flowed,
Through video server carry out program parsing, EPG extract, be broadcast live and review processing, dns resolution and Web service after, respectively with hand
TV program transmitting is realized in machine, plate or computer terminal connection.
2. TV program transmitting system according to claim 1, which is characterized in that use electronic program guides packaging method
EPG is encapsulated into compressed code stream, code stream is debugged through DTV, is sent to broadcast reception box by broadcast mode.
3. TV program transmitting system according to claim 1, which is characterized in that video server can be according to setting
Live streaming and recording duration require to generate corresponding live streaming and recording TS file cocurrent is sent to terminal realization TV program transmitting；And it mentions
For dns resolution service, the local parsing of browsing domain name is completed.
4. TV program transmitting method and system according to claim 3, which is characterized in that video server includes number
Processing television signals server, DTV Web server and file-sharing Samba server；Digital television signal processing clothes
Business device is capable of handling the DTV UDP packet that DVB broadcast broadcast reception box is sent；File-sharing Samba server can save
TS file is recorded, DTV Web server can save live streaming TS file, can provide the user with digital TV video frequency broadcasting
Service.
5. according to claim 1 to the method that system described in any one of 4 carries out TV program transmitting, which is characterized in that including
Following steps:
S1, more set digital television programs are compressed using multi-path high-definition statistical-multiplexing encoding device, using electronic program guides encapsulation side
EPG is encapsulated into compressed digital television program code stream by method, and compressed code stream passes through broadcast after DTV is debugged
Mode emits；
S2, video server digital television signal processing server received digital television information is handled, will be broadcast live
TS file and JSON file are sent to DTV Web server；TS file will be recorded to send through file-sharing Samba server
To DTV Web server；
S3, treated, and digital television program is sent to digital television client or browser realization TV program transmitting.
6. TV program transmitting method according to claim 5, which is characterized in that in step S1, electronic program guides envelope
Dress method specifically: be segmented the electronic program guide (EPG) information that DTV turns Web TV by program, every section of section
Mesh information includes program initial time and program name information, every section of of length no more than 180 bytes；Then periodically insertion
It is packaged in the adjustment field of video TS packet or audio TS packet.
7. TV program transmitting method according to claim 6, which is characterized in that the adjustment field format of video TS packet is such as
Under: the length information of the first character section storage adjustment field of field is adjusted, the second byte is correlating markings position information, later
Byte is customized adjustment field contents, and second byte is for identifying video frame type；The adjustment field lattice of audio TS packet
Formula is as follows: the audio TS containing PES packages in the beginning and is periodically inserted into programme televised live information and trailer information, trailer information
Be inserted into it is a plurality of, each audio TS package beginning insertion one.
8. TV program transmitting method according to claim 5, which is characterized in that in step S2, select HLS as stream matchmaker
Body agreement, DTV web server select the lightweight Web server uhttpd carried in pandorabox operating system,
Use JSON as the data interchange format of design digital television signal processing server and DTV Web server, uses
Samba server builds dns server as file server, using dnsmasq built-in in OpenWrt system, parses clear
Look at device domain name.
9. TV program transmitting method according to claim 5, which is characterized in that in step S2, at digital television signal
The EPG information in server parsing digital television signal is managed, DTV Web server is stored in the form of JSON file
Under master catalogue.
10. TV program transmitting method according to claim 5, which is characterized in that in step S3, DTV Web clothes
Business device saves the live streaming TS file of all channels and stores the JSON file of channel, programme information, and records containing storage is directed toward
The link of program TS file path；The Web page of DTV Web server is according to JSON file display channel list and each
The rendition list of channel.
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| CN201910610934.XA CN110337004B (en) | 2019-07-08 | 2019-07-08 | Television program transmission method and system |
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|---|---|---|---|
| CN201910610934.XA CN110337004B (en) | 2019-07-08 | 2019-07-08 | Television program transmission method and system |
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| CN110337004B CN110337004B (en) | 2021-01-19 |
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| CN111225252A (en) * | 2020-01-06 | 2020-06-02 | 广东九联科技股份有限公司 | PON gateway UPNP video live broadcast method based on openwrt system |
| CN111338620A (en) * | 2020-03-05 | 2020-06-26 | 成都金麦客科技有限公司 | OTT dynamic presentation method after Web front-end visual editing |
| CN113259753A (en) * | 2021-07-13 | 2021-08-13 | 广州朗国电子科技股份有限公司 | Teaching method, device and system of integrated machine equipment based on broadcast television network |
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