CN104219554B - DTV receiver and DTV play method - Google Patents
DTV receiver and DTV play method Download PDFInfo
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- CN104219554B CN104219554B CN201310210035.3A CN201310210035A CN104219554B CN 104219554 B CN104219554 B CN 104219554B CN 201310210035 A CN201310210035 A CN 201310210035A CN 104219554 B CN104219554 B CN 104219554B
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- dtv
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- receiver
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Abstract
A kind of DTV receiver, for the mobile terminal with general-purpose interface.DTV receiver includes Digital TV Receiving and demodulating unit, DTV pretreatment units and control unit.Digital TV Receiving and demodulating unit are used to be demodulated the mobile digital TV signals received to export the TS of number format streams.DTV pretreatment units are used to TS streams are handled and decoded to export the audio, video data of number format.Digital TV Receiving and demodulating unit are connected to the DTV pretreatment units pluggablely, so that DTV receiver can replace different Digital TV Receivings and demodulating unit to support the mobile digital TV signals of various criterion by plug-in.The present invention also provides a kind of DTV and plays method.
Description
Technical field
The present invention relates to a kind of DTV receiver and digital television broadcasting method, more particularly to a kind of plug type branch
Hold the DTV receiver of the mobile digital TV signals of multi-standard and digital television broadcasting method.
Background technology
With the arrival in 3G epoch and the popularization of the Internet broadband, our life has enter into higher level information
The change epoch, it is most prominent the characteristics of be exactly rapid emergence using smart mobile phone and tablet personal computer as the mobile intelligent terminal of representative.People
TV is watched on mobile intelligent terminal, the behavior of video is also more and more disclosure satisfy that user to height, it is necessary to seek one kind
The solution of the smooth mobile video demand of clear stream, and mobile digital TV is exactly meet this demand internationally recognized emerging
Medium technique.However, mobile digital TV standard and disunity that different geographical uses, obtained International Certification at present four are big
Ground digital television broadcast transmission standard is the ATSC in the U.S., the DVB-T in Europe, the ISDB-T of Japan and China respectively
DTMB.Therefore, the mobile digital TV signals corresponding to various criterion are, it is necessary to which different tuners is decoded, so as to cause
The use of mobile terminal is limited by region.
The content of the invention
In view of the above-mentioned problems, it is necessary to provide a kind of DTV receiver for being connected to mobile terminal pluggablely, energy
The mobile digital TV signals of various criterion are enough received, so that mobile terminal can play the mobile digital TV letter of various criterion
Number.
The DTV receiver, for the mobile terminal with general-purpose interface.DTV receiver includes numeral electricity
Depending on receiving and demodulating unit, DTV pretreatment units.Digital TV Receiving and demodulating unit are used for the mobile numeral electricity to receiving
It is demodulated depending on signal to export the TS of number format streams.DTV pretreatment units are used to TS streams are handled and decoded with defeated
Go out the audio, video data of number format.Digital TV Receiving and demodulating unit are connected to the DTV pretreatment units pluggablely, with
DTV receiver is set to replace different Digital TV Receivings and demodulating unit by plug-in to support various criterion
Mobile digital TV signals.
The present invention also provides a kind of DTV and plays method, for pluggable is connected to the DTV of mobile terminal
Receiver is to realize the mobile digital TV signals of mobile terminal playing various criterion.The DTV receiver includes being used to connect
The antenna, pluggable the Digital TV Receiving for being designed at DTV receiver and demodulation for receiving mobile digital TV signals are single
The memory cell of member and the different types of DTV driver of storage.The DTV, which plays method, includes step：
DTV receiver provides self-defined general-purpose interface to allow Digital TV Receiving and demodulating unit pluggable
Access DTV receiver；
DTV receiver is connected to mobile terminal by general-purpose interface and started working；
Detect the type of Digital TV Receiving and demodulating unit；
Load and run the DTV driver consistent with the type of Digital TV Receiving and demodulating unit；
Communication connection is established with mobile terminal and prompting mobile terminal loading client software is connect with realizing with DTV
Receive device and interact control and program broadcasting；
The mobile digital TV signals received are demodulated and carried out with exporting the TS of number format streams and TS being flowed
Handle and decode to export the audio, video data of number format；
After the software operation of response subscription client is packaged to audio, video data, it is sent to mobile terminal and plays out.
Method is played by means of above-mentioned DTV receiver and DTV, when user is whole using movement in different geographical
, can be by accessing DTV receiver of the invention to mobile terminal during end, and replace different model by plug-in
Digital TV Receiving and demodulating unit, to support the mobile digital TV signals of various criterion, so that mobile terminal can be broadcast
The mobile digital TV signals of various criterion are put, to avoid the use of mobile terminal limited by regions.
Brief description of the drawings
Fig. 1 is the DTV for being used to accessing to mobile terminal into received terrestrial digital broadcasting net in better embodiment of the present invention
The schematic diagram of receiver.
Fig. 2 is the module map of the DTV receiver in Fig. 1.
Fig. 3 is that the DTV of a better embodiment of the invention plays the flow chart of method.
Main element symbol description
DTV receiver 100
Antenna 60
Digital TV Receiving and demodulating unit 10
Self-defined general-purpose interface 20
DTV pretreatment units 30
DTV driver runs module 310
DTV pretreatment modules 320
Mobile terminal 200
General-purpose interface 210
Control unit 40
Memory cell 50
Detecting module 410
DTV driver load-on module 420
Terminal interaction and interface control module 430
Ground digital television broadcast net 300
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
Embodiment
Referring to Fig. 1, referring to Fig. 1, the DTV receiver 100 of present pre-ferred embodiments can be by mobile terminal
200 access to ground digital television broadcast net 300.DTV receiver 100 can support the mobile numeral electricity of various criterion
The mobile terminal 200 with general-purpose interface 210 is connected to depending on signal and with can plugging, so that mobile terminal 200 can play
The mobile digital TV signals of various criterion, so as to avoid the use of mobile terminal 200 from being limited by region.Mobile terminal
200 can be mobile phone, tablet personal computer etc., and general-purpose interface 210 can be the data-interfaces such as USB interface, mini USB interfaces.
In the present embodiment, mobile terminal 200 is smart mobile phone, and general-purpose interface 210 is mini USB.
Referring to Fig. 2, DTV receiver 100 includes Digital TV Receiving and demodulating unit 10, self-defined general connect
Mouth 20, DTV pretreatment units 30, control unit 40 and memory cell 50.In addition, DTV receiver 100 also includes using
In receive mobile digital TV signals antenna 60 and for by DTV receiver 100 it is pluggable be connected to general connect
The Versatile Interface Unit 70 of mouth 210.
Memory cell 50 is used to store client software and different types of DTV driver.Client software energy
It is enough to be run in mobile terminal 200, to realize that mobile terminal 200 and DTV receiver 100 interact control and program is broadcast
Put.Because different mobile terminals 200 may use different operating system, client software be designed as different versions with phase
Answer operating system mutually compatible.For example, the client software of Android versions is applied to the mobile terminal 200 of android system.
Different types of DTV driver is corresponding with the mobile digital TV signals of various criterion respectively.In the present embodiment
In, DTV driver includes following four type：The DVB-T type DTV driving journey corresponding with DVB-T standards
Sequence, the ATSC type DTV driver corresponding with ATSC standards, the ISDB-T type corresponding with ISDB-T standards numeral
TV driver, and the DTMB type DTV driver corresponding with DTMB standards.
What Digital TV Receiving and demodulating unit 10 were used to receive antenna 60 has the mobile numeral electricity of specific criteria
It is demodulated depending on signal to export the TS of number format streams.In the present embodiment, Digital TV Receiving and the basis of demodulating unit 10
The various criterion for the mobile digital TV signals that can be supported, it is divided into the different type of following four：For supporting DVB-T standards
DVB-T types Digital TV Receiving and demodulating unit, the ATSC types Digital TV Receiving for supporting ATSC standards and demodulation it is single
Member, the ISDB-T types Digital TV Receiving for supporting ISDB-T standards and demodulating unit and for supporting DTMB standards
DTMB types Digital TV Receiving and demodulating unit.Different types of Digital TV Receiving and demodulating unit 10 connect pluggablely
In self-defined general-purpose interface 20.In this way, DTV receiver 100 can replace different types of DTV by plug-in
Reception and demodulating unit 10, to support the mobile digital TV signals of various criterion.It is to be appreciated that in other embodiments,
Each DTV receiver 100 has Digital TV Receiving and demodulating unit 10, Neng Goujie fixed and that support specific criteria
Receive and support the mobile digital TV signals of a certain specific criteria.
Self-defined general-purpose interface 20 is electrically connected to DTV pretreatment units 30.The self-defined compatible serial parallel TS of general-purpose interface 20
Stream interface and control power supply interface etc., for the TS streaming for the number format for exporting Digital TV Receiving and demodulating unit 10
To DTV pretreatment units 30.
DTV pretreatment units 30 are electrically connected to control unit 40, for the TS for sending self-defined general-purpose interface 20
Stream is handled and decoded to export the audio, video data of TS stream format.DTV pretreatment units 30 include DTV driving journey
Sort run module 310 and DTV pretreatment modules 320.DTV driver operation module 310 is used to run and DTV
The DTV driver consistent with the standard that demodulating unit 10 is supported is received, so that DTV pretreatment units 30 can
It is mutually compatible with respective digital television reception and demodulating unit 10.For example, work as DVB-T types Digital TV Receiving and demodulating unit grafting
During to DTV receiver 100, DTV driver operation module 310 runs the DVB-T corresponding with DVB-T standards
Type DTV driver, so that DTV pretreatment units 30 can be with DVB-T types Digital TV Receiving and demodulating unit 10
It is mutually compatible.DTV pretreatment modules 320 are used for the TS streams that self-defined general-purpose interface 20 is sent are demultiplexed, condition connects
Receipts system（CAS）Integrated, PID filterings and audio/video decoding are to export the audio, video data of TS stream format to control unit 40.
Control unit 40 is interacted by the interfaces such as SDIO, USB, SPI and DTV pretreatment units 30.Control unit 40
In the present embodiment using small-sized micro-chip processor loading operating system（For example, LINUX operating systems）, for controlling digital electricity
Depending on co-ordination between 100 each functional module of receiver.Control unit 40 is additionally operable to realize DTV receiver 100 with moving
Interacted between dynamic terminal 200.Control unit 40 include detecting module 410, DTV driver load-on module 420 and
Terminal interaction and interface control module 430.
The Digital TV Receiving of the detecting insertion of detecting module 410 and the type of demodulating unit 10 simultaneously produce a detection signal.
DTV driver load-on module 420 responds detection signal, and control DTV driver operation module 310 loads simultaneously
The DTV driver consistent with the Digital TV Receiving and the type of demodulating unit 10 inserted is run, so that numeral electricity
The mobile digital TV signals of respective standard can be supported depending on receiver 100.
Terminal interaction and interface control module 430 be used to driving the interface routine corresponding with general-purpose interface 210 with shifting
Communication connection is established between dynamic terminal 200.After communication connection is established with mobile terminal 200, terminal interaction and Interface Controller mould
The mobile terminal 200 that further prompting accesses of block 430 loads client software and handed over realizing with DTV receiver 100
Mutually control and program play.In the present embodiment, after DTV receiver 100 is established with mobile terminal 200 to communicate, terminal
Interaction loads client to mobile terminal 200 by sending prompt message with interface control module 430 with prompting mobile terminal 200
Software.Wherein, the chained address of client software is comprised at least in prompt message, to allow mobile terminal 200 to pass through the link
Client software in address load store unit 50, so as to realize that mobile terminal 200 is handed over DTV receiver 100
Mutually control and program play.When mobile terminal 200, which loads client software, carries out program broadcasting, terminal interaction and Interface Controller
Module 430 responds the operation of subscription client software, after the audio, video data exported to DTV pretreatment modules 320 is packaged, leads to
Cross Versatile Interface Unit 70 and general-purpose interface 210 is sent to mobile terminal 200 and played out.
After mobile terminal 200 and DTV receiver 100 establish communication connection and loading client software, movement is eventually
The response user of end 200, which operates, produces program broadcasting control instruction（For example, channel selection instructs）.The DTV pretreatment modules 320 respond
Channel selection is instructed, and the compressed package of respective program is extracted from program transport streams, then carries out CAS integrated, TS streams demultiplexing, PID
Filtering and audio/video decoding processing, to export the audio, video data of TS stream format.At the same time, terminal interaction and Interface Controller
Module 430 responds the operation of subscription client software, after the audio, video data exported to DTV pretreatment modules 320 is packaged, leads to
Cross Versatile Interface Unit 70 and general-purpose interface 210 is sent to mobile terminal 200 and played out.In this way, mobile terminal 200 can be broadcast
Put the program corresponding with channel selection instruction.
When user uses mobile terminal 200 in different geographical, mobile terminal 200 can be electric by accessing the numeral of the present invention
The Digital TV Receiving and demodulating unit 10 of different model are replaced depending on receiver 100 and, to support corresponding mark by plug-in
Accurate mobile digital TV signals, so that mobile terminal 200 can play the mobile digital TV signals of various criterion.Such as
This, can be avoided the use of mobile terminal 200 limited by regions.
Referring to Fig. 3, the DTV of a better embodiment of the invention plays the flow chart of method.The digit television broadcasting
Put method and be used for above-mentioned DTV receiver 100 to realize that the mobile terminal 200 with general-purpose interface 210 plays various criterion
Mobile digital TV.The DTV receiver 100 is connected to general-purpose interface 210 pluggablely, including for receiving movement
The antenna 60 of digital television signal, pluggable the Digital TV Receiving and demodulating unit for being designed at DTV receiver 100
10 and for storing the memory cell 50 of client software and different types of DTV driver.Wherein, numeral electricity
It is divided into different models according to the standard for the digital television signal that can be supported with demodulating unit 10 depending on receiving, it is different types of
DTV driver corresponds to the mobile digital TV signals of various criterion.The DTV, which plays method, includes following step
Suddenly：
Step S310, DTV receiver 100 provide self-defined general-purpose interface 20 to allow Digital TV Receiving to conciliate
Unit 10 is adjusted to access pluggablely.
Step 320, DTV receiver 100 is connected to mobile terminal 200 by general-purpose interface 210 and started working.
Step S330, detecting module 410 detect whether Digital TV Receiving and demodulating unit 10 insert self-defined general connect
Mouth 20.If Digital TV Receiving and demodulating unit 10 are not inserted into, detecting module 410 continues to detect Digital TV Receiving and demodulation is single
Whether member 10 inserts self-defined general-purpose interface 20, flow return to step S330.If Digital TV Receiving and demodulating unit 10 have been inserted
Enter, flow goes to step S340.
Step S340, detecting module 410 further obtain the Digital TV Receiving of insertion and the type of demodulating unit 10.
Step S350, DTV driver load-on module 420 control DTV driver operation module 310 to add
Carry and run the DTV driver consistent with the Digital TV Receiving and the type of demodulating unit 10 inserted.
Step S360, terminal interaction are established logical with interface control module 430 by general-purpose interface 210 and mobile terminal 200
Letter connects and prompts the mobile terminal 200 of connection to load client software and interacted with realizing with DTV receiver 100
Control and program play.In the present embodiment, terminal interaction sends prompt message to mobile terminal with interface control module 430
200 load client software with prompting mobile terminal 200.Wherein, the chain in prompt message including at least client software is grounded
Location, to allow mobile terminal 200 to pass through the client software in the chained address load store unit 50.
Step S370, Digital TV Receiving and demodulating unit 10 by the mobile digital TV signals received be demodulated with
The TS streams of number format are exported, DTV pretreatment modules 320 are further demultiplexed to TS streams, condition receiving system（CAS）Collection
Into, PID filtering and audio/video decoding to export the audio, video data of number format.
Step S380, terminal interaction respond subscription client software with interface control module 430 and operated, DTV is pre-processed
After the audio, video data that module 320 exports is packaged, it is sent to mobile terminal 200 and plays out.
Method is played by means of above-mentioned DTV receiver 100 and DTV, when user uses shifting in different geographical
During dynamic terminal 200, mobile terminal 200 can be by accessing the DTV receiver 100 of the present invention and replacing by plug-in
The Digital TV Receiving and demodulating unit 10 of different model, to support the mobile digital TV signals of various criterion, so that moving
Dynamic terminal 200 can play the mobile digital TV signals of various criterion.In this way, the use of mobile terminal 200 can be avoided by ground
The limitation in domain.
In summary, although having been disclosed for the preferred embodiments of the present invention for the purpose of illustration, however, the present invention not only office
It is limited to embodiment as described above, in the category without departing from basic fundamental thought of the present invention, the technical staff of relevant industries can
Various deformation and application are carried out to it.
Claims (10)
1. a kind of DTV receiver, for the mobile terminal with general-purpose interface, the DTV receiver includes numeral
Television reception and demodulating unit, DTV pretreatment units and interface unit, the Digital TV Receiving and demodulating unit are used for receiving
To the mobile digital TV signals with specific criteria be demodulated with export the TS of number format stream, DTV pretreatment units
For TS streams being handled and being decoded to export the audio, video data of number format, the interface unit is used to connect pluggablely
In the mobile terminal, it is characterised in that：It is single that the Digital TV Receiving and demodulating unit are connected to DTV pretreatments pluggablely
Member, so that DTV receiver can replace different Digital TV Receivings and demodulating unit by plug-in to support difference
The mobile digital TV signals of standard.
2. DTV receiver as claimed in claim 1, it is characterised in that：The interface unit of the DTV receiver
The mobile terminal is connected to by the general-purpose interface plug-in, to export the audio, video data of number format to mobile terminal
Play out.
3. DTV receiver as claimed in claim 1, it is characterised in that：The DTV receiver also includes electrical connection
In the self-defined general-purpose interface of DTV pretreatment units, for by Digital TV Receiving and the number format of demodulating unit output
TS is streaming to DTV pretreatment units.
4. DTV receiver as claimed in claim 3, it is characterised in that：The Digital TV Receiving and demodulating unit be for
By the self-defined general-purpose interface it is pluggable be designed at the DTV receiver.
5. DTV receiver as claimed in claim 1, it is characterised in that：It is single that the DTV receiver also includes storage
Member, for storing client software and different types of DTV driver, client software can be in the mobile terminal
Run to realize that mobile terminal and the DTV receiver interact control and program plays.
6. DTV receiver as claimed in claim 5, it is characterised in that：The DTV pretreatment units include DTV
Driver runs module, for running the DTV consistent with the standard that Digital TV Receiving and demodulating unit are supported
Driver, so that DTV pretreatment units can be mutually compatible with respective digital television reception and demodulating unit.
7. DTV receiver as claimed in claim 6, it is characterised in that：It is single that the DTV receiver also includes control
Member, the control unit include detecting module and DTV driver load-on module, the numeral electricity of detecting module detecting insertion
Depending on receiving the type with demodulating unit, DTV driver load-on module control DTV driver operation module adds
Carry and run the DTV driver consistent with the Digital TV Receiving and the type of demodulating unit inserted, so that the number
Word television receiver can support the mobile digital TV signals of respective standard.
8. the DTV receiver as described in claim 1~7 any one, it is characterised in that：The Digital TV Receiving and
Demodulating unit is divided into different models according to the standard for the digital television signal that can be supported, and the DTV receiver is by inserting
Pull out formula replace different model Digital TV Receiving and demodulating unit to support the mobile digital TV signals of various criterion.
9. a kind of DTV plays method, the DTV of the mobile terminal with general-purpose interface for pluggable is connected to
Receiver, antenna that the DTV receiver includes being used to receive mobile digital TV signals, pluggable it is designed at numeral
The Digital TV Receiving and demodulating unit of television receiver, memory cell and by the general-purpose interface it is pluggable connect the movement
The interface unit of terminal；The memory cell, which is used for storage, to realize the mobile terminal and the numeral in the running of mobile terminal
Television receiver interacts the client software of control and program broadcasting and different types of DTV driver, the number
Word television broadcasting method includes step：
Self-defined general-purpose interface is provided with allow Digital TV Receiving and demodulating unit it is pluggable access DTV receiver；
DTV receiver is connected to mobile terminal by general-purpose interface and started working；
Detect the type of Digital TV Receiving and demodulating unit；
Load and run the DTV driver consistent with the type of Digital TV Receiving and demodulating unit；
Communication connection is established with mobile terminal and prompting mobile terminal loading client software is to realize and DTV receiver
Interact control and program plays；
The mobile digital TV signals received are demodulated to export the TS of number format streams and TS streams are handled
With decoding to export the audio, video data of number format；And
After the software operation of response subscription client is packaged to audio, video data, it is sent to mobile terminal and plays out.
10. DTV as claimed in claim 9 plays method, it is characterised in that：Digital TV Receiving and demodulating unit root
It is divided into different models according to the standard for the mobile digital TV signals that can be supported, different types of Digital TV Receiving is conciliate
Unit is adjusted to correspond to the mobile digital TV signals of various criterion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310210035.3A CN104219554B (en) | 2013-05-30 | 2013-05-30 | DTV receiver and DTV play method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310210035.3A CN104219554B (en) | 2013-05-30 | 2013-05-30 | DTV receiver and DTV play method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104219554A CN104219554A (en) | 2014-12-17 |
| CN104219554B true CN104219554B (en) | 2017-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310210035.3A Expired - Fee Related CN104219554B (en) | 2013-05-30 | 2013-05-30 | DTV receiver and DTV play method |
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| Country | Link |
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| CN (1) | CN104219554B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873803A (en) * | 2017-02-06 | 2017-06-20 | 苏州创必成电子科技有限公司 | The system and method for simulation sky mouse and keyboard |
| CN106774990A (en) * | 2017-02-06 | 2017-05-31 | 苏州创必成电子科技有限公司 | Mobile device simulates the system and method for key mouse |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2602567Y (en) * | 2002-12-26 | 2004-02-04 | 天津市昊天科技发展有限公司 | GPRS wireless modem |
| CN1909647A (en) * | 2005-08-01 | 2007-02-07 | 中强光电股份有限公司 | TV signal receiving module |
| US8448212B2 (en) * | 2005-12-02 | 2013-05-21 | Nokia Corporation | Combined receiver for DVB-H and DVB-T transmission |
| CN100481897C (en) * | 2006-12-06 | 2009-04-22 | 北京中星微电子有限公司 | TV receiving system |
| CN101383915A (en) * | 2007-09-07 | 2009-03-11 | 深圳市爱国者嵌入式系统科技有限公司 | Portable digital television receiving terminal |
| CN201222743Y (en) * | 2008-06-26 | 2009-04-15 | 北京邮电大学 | Digital multimedia broadcast receive component for mobile terminal |
| CN101990124A (en) * | 2009-08-05 | 2011-03-23 | 深圳市致芯微电子股份有限公司 | Handheld television receiving device, system and method thereof |
| CN102625170B (en) * | 2012-03-13 | 2015-08-19 | 深圳市九洲电器有限公司 | A kind of can the Set Top Box of plug and play tuning demodulator and method |
| CN203482309U (en) * | 2013-05-30 | 2014-03-12 | 深圳清华大学研究院 | Digital television receiver |
-
2013
- 2013-05-30 CN CN201310210035.3A patent/CN104219554B/en not_active Expired - Fee Related
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| CN104219554A (en) | 2014-12-17 |
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Granted publication date: 20171117 Termination date: 20210530 |