CN1741398A - A digital TV mobile telephone and its application system - Google Patents
A digital TV mobile telephone and its application system Download PDFInfo
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- CN1741398A CN1741398A CNA2004100405663A CN200410040566A CN1741398A CN 1741398 A CN1741398 A CN 1741398A CN A2004100405663 A CNA2004100405663 A CN A2004100405663A CN 200410040566 A CN200410040566 A CN 200410040566A CN 1741398 A CN1741398 A CN 1741398A
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Abstract
A digital TV mobile phone consists of multiplexer for separating broadcast signal out , display for displaying video signal and digital signal after radio frequency processing demultiplexing and decoding , sounding device for playing out audio signal .It features that requested program / content con be received by inputting grogram code or program title with keyboard on said mobile phone through digital communication base station to transmit program / content to digital broadcast station for playing .
Description
Technical field
The present invention relates to a kind of Digital Television mobile phone of Digital Television and mobile phone, particularly the two pattern of fusion, also relate to the digital communication broadcast system that a kind of application has this Digital Television mobile phone.
Background technology
At present, mobile phone has obtained being extensive use of of consumer, but because bandwidth is narrow, what mainly carry out at present is voice and short message service, if watch Digital Television, even the 3G, the 4G mechanics of communication that adopt bandwidth to improve a lot with the supporting digital communication system of mobile phone, its bandwidth is still not enough, thereby influence the quality of TV programme, also run into the problem of network blockage easily.On the other hand, digit broadcasting system has traditional user's advantage of broadcasting and tangible superiority bandwidth, the program quality height, and network is unobstructed, but its shortcoming lacks interactivity and individual character exactly.
Summary of the invention
Purpose of the present invention will provide a kind of Digital Television mobile phone to the consumer exactly, and the digital communication broadcast system that provides a kind of application that this Digital Television mobile phone is arranged.Make the consumer can enjoy the multiple benefit that digital communication technology, digital broadcasting technology and integration technology thereof are brought.
When realizing purpose of the present invention, taked following technological means:
This Digital Television mobile phone comprises antenna 1, multiplexer 2, radio frequency processing 3, demultiplexing and decoder 4, format conversion/image processing 5, from the emission and the receiving unit 14 of central processing unit 6, digital signal processor and host CPU 7, keyboard 8, pcm encoder/decoding 9, driving/demonstration 10, audio frequency power amplifier 11, sound-producing device 12, MIC13 and conventional mobile phone.
Antenna 1 is except that can receiving/launch the mobile communication signal, can also receive the surface wave digital television signal broadcast, and give multiplexer 2, the communication signal and the received signal of 2 pairs of emissions of multiplexer have buffer action, and the communication signal that receives is separated with broadcast singal.
Deliver to radio frequency processing 3 from multiplexer 2 isolated digital broadcast signals, carry out tuned radio-frequency and separate mediation QAM/OFDM/8VSB demodulation, obtain the TS transport stream; The TS transport stream is delivered to demultiplexing and decoder 4 again, transmit demultiplexing, program/content demultiplexing, carry out video decode, audio decoder then respectively, difference output digital video signal, digital audio and video signals, if this digital audio and video signals is the voice signal of this digital video signal, just need to keep the synchronous of these two kinds of signals.
Wherein the digital video signal of being exported is delivered to format conversion/image processing 5 and is carried out format conversion and image processing, by driving/demonstration 10 this vision signal is shown on display again, menu captions OSD from digital signal processor and host CPU 7 is superimposed upon on the above-mentioned displaying contents to the bright any transparency of full impregnated with opaque, also can show separately certainly.
The digital audio and video signals of output is then delivered to pcm encoder/decoding 9 and is carried out the PCM decoding processing, carries out audio power through audio frequency power amplifier 11 then and amplifies, and sound by sound-producing device 12.
This Digital Television mobile phone can also receive the broadcasting of surface wave digital audio and video signals, only carry out audio decoder this moment, sound by sound-producing device 12 at last, driving/demonstration 10 can be turned off, and also can show the menu captions OSD from Digital Signal Processing and host CPU 7.
This Digital Television mobile phone can also receive the broadcasting of surface wave data-signal, also need carry out data decode this moment, after digital signal processor and host CPU 7 processing are delivered in its data-signal output, corresponding contents directly can be shown through driving/demonstration 10, also can deliver to from central processing unit 6 by the bus of digital signal processor and host CPU 7, be transmitted to format conversion/image processor 5 again and handle, show through driving/demonstration 10.
On the other hand, with the above-mentioned Digital Television mobile phone of surface wave digital television signal, digital audio and video signals and data-signal that can receive as user terminal, be applied to a kind of digital communication broadcast system, this system also includes digital radio stations, digital communication base station and system.The user who obtains the mandate of general broadcast receiving function can receive general digital television broadcasting, digital audio broadcasting and data broadcasting service by this Digital Television mobile phone; Obtain the user of program/content-on-demand service, when needs request program/content, as long as on the keyboard 8 of this Digital Television mobile phone, program code or programm name are imported as user instruction, send to digital communication base station and system by this Digital Television mobile phone then, and this user instruction is delivered to digital radio stations by digital communication base station and system, digital radio stations broadcasts the program of user's program request/content from data bank immediately; This Digital Television mobile phone demodulation from the signal that receives, decode authorization message, user profile, information on services, because this user obtains the authorization, so the content of institute's program request can normally be listened to and watches; Otherwise, do not obtain the user that program/content-on-demand is served, can not obtain program/content-on-demand service.
Because in the present invention, utilize digital radio stations to transmit digital television program, therefore bandwidth can make the consumer pass through this digital Digital Video Broadcasting Handheld enjoy high quality service far above the former and supporting digital communication system of mobile phone, and has avoided the problem of network blockage.Therefore on the other hand, the present invention can make the consumer utilize digital communication system to carry out content-on-demand, has remedied the deficiency of the interactive and individual character of digit broadcasting system again.
With regard to whole big system, the user is very little to the amount of information that digital radio stations, digital communication base station and system transmit, and the amount of information that the user need obtain is huge.The present invention has utilized the asymmetry of this information up-downgoing transmission just, and the advantage of mobile communication and digit broadcasting system is given full play to.
Description of drawings
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a Digital Television mobile phone circuit block diagram.
Fig. 2 is a digital communication broadcast system block diagram.
Embodiment
As Fig. 1, this Digital Television mobile phone comprises antenna 1, multiplexer 2, radio frequency processing 3, demultiplexing and decoder 4, format conversion/image processing 5, from the emission and the receiving unit 14 of central processing unit 6, digital signal processor and host CPU 7, keyboard 8, pcm encoder/decoding 9, driving/demonstration 10, power amplifier 11, sound-producing device 12, MIC13 and conventional mobile phone.
Antenna 1 is except that can receiving/launch the mobile communication signal, can also receive the surface wave digital television signal broadcast, and give multiplexer 2, the communication signal and the received signal of 2 pairs of emissions of multiplexer have buffer action, and the communication signal that receives is separated with broadcast singal.
Deliver to radio frequency processing 3 from multiplexer 2 isolated digital broadcast signals, carry out tuned radio-frequency and separate mediation QAM/OFDM/8VSB demodulation, obtain the TS transport stream; The TS transport stream is delivered to demultiplexing and demodulation 4 again, transmit demultiplexing, program/content demultiplexing, carry out video decode, audio decoder then respectively, difference output digital video signal, digital audio and video signals, if this digital audio and video signals is the voice signal of this digital video signal, just need to keep the synchronous of these two kinds of signals.
Wherein the digital video signal of being exported is delivered to format conversion/image processing 5 and is carried out format conversion and image processing, by driving/demonstration 10 this vision signal is shown on display again, menu captions OSD from digital signal processor and host CPU 7 is superimposed upon on the above-mentioned displaying contents to the bright any transparency of full impregnated with opaque, also can show separately certainly.
The digital audio and video signals of output is then delivered to pcm encoder/decoding 9 and is carried out the PCM decoding processing, carries out audio power through audio frequency power amplifier 11 then and amplifies, and sound by sound-producing device 12.
This Digital Television mobile phone can also receive the broadcasting of surface wave digital audio and video signals, only carry out audio decoder this moment, sound by sound-producing device 12 at last, driving/demonstration 10 can be turned off, and also can show the menu captions OSD from Digital Signal Processing and host CPU 7.
This Digital Television mobile phone can also receive the broadcasting of surface wave data-signal, also need carry out data decode this moment, after digital signal processor and host CPU 7 processing are delivered in its data-signal output, corresponding contents directly can be shown through driving/demonstration 10, also can deliver to from central processing unit 6 by the bus of digital signal processor and host CPU 7, be transmitted to format conversion/image processor 5 again and handle, show through driving/demonstration 10.
On the other hand, with the above-mentioned Digital Television mobile phone of surface wave digital television signal, digital audio and video signals and data-signal that can receive as user terminal, be applied to a kind of digital communication broadcast system, as Fig. 2, this system also includes digital radio stations, digital communication base station and system.The user who obtains the mandate of general broadcast receiving function can receive general digital television broadcasting, digital audio broadcasting and data broadcasting service by this Digital Television mobile phone; Obtain the user of program/content-on-demand service, when needs request program/content, as long as on the keyboard 8 of this Digital Television mobile phone, program code or programm name are imported as user instruction, send to digital communication base station and system by this Digital Television mobile phone then, and this user instruction is delivered to digital radio stations by digital communication base station and system, digital radio stations broadcasts the program of user's program request/content from data bank immediately; This Digital Television mobile phone demodulation from the signal that receives, decode authorization message, user profile, information on services, because this user obtains the authorization, so the content of institute's program request can normally be listened to and watches; Otherwise, do not obtain the user that program/content-on-demand is served, can not obtain program/content-on-demand service.
In the present embodiment, also has massage storage in the demultiplexing of Digital Television mobile phone and the decoder 4, the TS transport stream is sent into massage storage and is carried out the content mass memory after handling through transmission demultiplexing, program/content demultiplexing, and massage storage is exported then and decoded.The employed storage medium of the massage storage here can be any in hard disk, CD, disk, the semiconductor, and its storage mode can be any in electricity, light, magnetic, machinery or the biological recorder.When the user utilized this digital communication broadcast system to come request program/content, if the user is real-time VOD and record not, just the same with common reception, massage storage was directly exported, and does not do actual storage; If the user is real-time VOD and palpus record, when program/content demultiplexed signal being sent to massage storage doing actual storage, directly output is decoded for user's use/appreciation, like this after the user also want to use/when appreciating, just directly from massage storage, access this program/content, the output of decoding; If the user is the non real-time program request, massage storage is just only done storage, when need playing, the user just directly from massage storage, accesses this program/content, the output of decoding, in this case, digital radio stations is for raising the efficiency, just can be according to the bandwidth usage of system, select period and code check to come to transmit required program/content flexibly for this user, this user mobile phone carries out the backstage on one side and receives storage, also can finish other user tasks on one side, as make a phone call, or access in the massage storage other program/content and use/appreciate.
As carrying out the new data broadcasting value-added service of dubbing, this Digital Television mobile phone can also receive the data-signal broadcasting that surface wave has audio signal synchronously, it is visual voice broadcast service, also need keep this moment the data-signal exported and digital audio and video signals synchronously, digital audio and video signals is sounded by sound-producing device 12 at last, and data-signal then shows by driving/demonstration 10 at last.
Be electrical energy saving, prolong the useful life of battery, when the user does not use broadcast receiving function, when promptly being in mobile phone traditional business user mode, radio frequency processing 3, demultiplexing and decoder 4, format conversion image processing 5, can Close All from central processing unit 6.
Antenna 1 is the rod-pulling type antenna, when the user uses broadcast receiving function, this antenna 1 is pulled out.And when the user uses the mobile phone traditional business, this antenna 1 contraction is gone back, thereby the dexterity and the aesthetic property that use have been kept.
Claims (10)
1. Digital Television mobile phone, comprise antenna (1), multiplexer (2), radio frequency processing (3), demultiplexing and decoder (4), format conversion/image processing (5), from the emission and the receiving unit (14) of central processing unit (6), digital signal processor and host CPU (7), keyboard (8), pcm encoder/decoding (9), driving/demonstration (10), audio frequency power amplifier (11), sound-producing device (12), MIC (13) and conventional mobile phone, it is characterized in that:
Antenna (1) is except that can receiving/launch the mobile communication signal, can also receive the surface wave digital television signal broadcast, and give multiplexer (2), multiplexer (2) has buffer action to the communication signal and the received signal of emission, and the communication signal that receives is separated with broadcast singal;
Deliver to radio frequency processing (3) from the isolated digital broadcast signal of multiplexer (2), carry out tuned radio-frequency and separate mediation QAM/OFDM/8VSB demodulation, obtain the TS transport stream; The TS transport stream is delivered to demultiplexing and decoder (4) again, transmit demultiplexing, program/content demultiplexing, carry out video decode, audio decoder then respectively, difference output digital video signal, digital audio and video signals, if this digital audio and video signals is the voice signal of this digital video signal, just need to keep the synchronous of these two kinds of signals;
Wherein the digital video signal of being exported is delivered to format conversion/image processing (5) and is carried out format conversion and image processing, by driving/demonstration (10) this vision signal is shown on display again, menu captions OSD from digital signal processor and host CPU (7) is superimposed upon on the above-mentioned displaying contents to the bright any transparency of full impregnated with opaque, also can show separately certainly;
The digital audio and video signals of output is then delivered to pcm encoder/decoding (9) and is carried out the PCM decoding processing, carries out audio power through audio frequency power amplifier (11) then and amplifies, and sound by sound-producing device (12).
2, a kind of Digital Television mobile phone according to claim 1, it is characterized in that to receive the broadcasting of surface wave digital audio and video signals, only carry out audio decoder this moment, sound by sound-producing device (12) at last, driving/demonstration (10) can be turned off, and also can show the menu captions OSD from Digital Signal Processing and host CPU (7).
3, a kind of Digital Television mobile phone according to claim 2, it is characterized in that to receive the broadcasting of surface wave data-signal, also need carry out data decode this moment, after digital signal processor and host CPU (7) processing are delivered in its data-signal output, corresponding contents directly can be shown through driving/demonstration (10), also can deliver to from central processing unit (6) by the bus of digital signal processor and host CPU (7), be transmitted to format conversion/image processor (5) again and handle, show through driving/demonstration (10).
4, a kind of Digital Television mobile phone according to claim 3, it is characterized in that to receive the data-signal broadcasting that surface wave has audio signal synchronously, it is visual voice broadcast service, also need keep this moment the data-signal exported and digital audio and video signals synchronously, digital audio and video signals is sounded by sound-producing device (12) at last, and data-signal then shows by driving/demonstration (10) at last.
5, a kind of Digital Television mobile phone according to claim 1, it is characterized in that not using broadcast receiving function as the user, when promptly being in mobile phone traditional business user mode, radio frequency processing (3), demultiplexing and decoder (4), format conversion/image processing (5), can Close All from central processing unit (6).
6, a kind of Digital Television mobile phone according to claim 1, it is characterized in that described antenna (1) is the rod-pulling type antenna, when the user uses broadcast receiving function, pulls out this antenna (1), and when the user uses the mobile phone traditional business, this antenna (1) contraction is gone back.
7, a kind of Digital Television mobile phone according to claim 1, it is characterized in that also having massage storage in described demultiplexing and the decoder (4), after the TS transport stream is handled through transmission demultiplexing, program/content demultiplexing, send into massage storage and carry out the content mass memory, massage storage is exported then and is decoded.
8, a kind of Digital Television mobile phone according to claim 7, it is characterized in that the employed storage medium of described massage storage can be any in hard disk, CD, disk, the semiconductor, its storage mode can be any in electricity, light, magnetic, machinery or the biological recorder.
9, a kind of digital communication broadcast system, include digital radio stations, digital communication base station and system, user terminal, it is characterized in that: user terminal is a kind of Digital Television mobile phone as claimed in claim 3, and the user who obtains the mandate of general broadcast receiving function can receive general digital television broadcasting, digital audio broadcasting and data broadcasting service by this Digital Television mobile phone; Obtain the user of program/content-on-demand service, when needs request program/content, as long as on the keyboard (8) of this Digital Television mobile phone, program code or programm name are imported as user instruction, send to digital communication base station and system by this Digital Television mobile phone then, and this user instruction is delivered to digital radio stations by digital communication base station and system, digital radio stations broadcasts the program of user's program request/content from data bank immediately; This Digital Television mobile phone demodulation from the signal that receives, decode authorization message, user profile, information on services, because this user obtains the authorization, so the content of institute's program request can normally be listened to and watches; Otherwise, do not obtain the user that program/content-on-demand is served, can not obtain program/content-on-demand service.
10, a kind of digital communication broadcast system according to claim 8, it is characterized in that: also have massage storage in the described Digital Television mobile phone, after its TS transport stream of the program/content of user's program request is handled through transmission demultiplexing, program/content demultiplexing, send into massage storage and carry out the content mass memory, massage storage is exported then and decoded, and is if the user is real-time VOD and record not, just the same with common reception, massage storage is directly exported, and does not do actual storage; If the user is real-time VOD and palpus record, when program/content demultiplexed signal being sent to massage storage doing actual storage, directly output is decoded for user's use/appreciation, like this after the user also want to use/when appreciating, just directly from massage storage, access this program/content, the output of decoding; If the user is the non real-time program request, massage storage is just only done storage, just directly accesses this program/content from massage storage, the output of decoding when the user need play.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100405663A CN1741398A (en) | 2004-08-27 | 2004-08-27 | A digital TV mobile telephone and its application system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100405663A CN1741398A (en) | 2004-08-27 | 2004-08-27 | A digital TV mobile telephone and its application system |
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| CN1741398A true CN1741398A (en) | 2006-03-01 |
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| CNA2004100405663A Pending CN1741398A (en) | 2004-08-27 | 2004-08-27 | A digital TV mobile telephone and its application system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101106664B (en) * | 2006-07-13 | 2010-06-23 | 松下电器产业株式会社 | Portable device |
| CN103873901A (en) * | 2012-12-13 | 2014-06-18 | 联想(北京)有限公司 | Signal processing method, electronic device and movable electronic device |
| CN104143965A (en) * | 2013-05-08 | 2014-11-12 | 成都国星通信有限公司 | Radio frequency multiplexer |
| CN104735235A (en) * | 2013-12-20 | 2015-06-24 | 青岛海信移动通信技术股份有限公司 | Portable mobile terminal and DTV data playing method thereof |
| WO2017032081A1 (en) * | 2015-08-21 | 2017-03-02 | 乐视控股（北京）有限公司 | Audio and video playback device, data display method, and storage medium |
-
2004
- 2004-08-27 CN CNA2004100405663A patent/CN1741398A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101106664B (en) * | 2006-07-13 | 2010-06-23 | 松下电器产业株式会社 | Portable device |
| CN103873901A (en) * | 2012-12-13 | 2014-06-18 | 联想(北京)有限公司 | Signal processing method, electronic device and movable electronic device |
| CN104143965A (en) * | 2013-05-08 | 2014-11-12 | 成都国星通信有限公司 | Radio frequency multiplexer |
| CN104143965B (en) * | 2013-05-08 | 2016-12-07 | 成都国星通信有限公司 | A kind of radio frequency multiplexer |
| CN104735235A (en) * | 2013-12-20 | 2015-06-24 | 青岛海信移动通信技术股份有限公司 | Portable mobile terminal and DTV data playing method thereof |
| WO2017032081A1 (en) * | 2015-08-21 | 2017-03-02 | 乐视控股（北京）有限公司 | Audio and video playback device, data display method, and storage medium |
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