CN101132492B - Systems and methods for managing digital television (TV) signals - Google Patents
Systems and methods for managing digital television (TV) signals Download PDFInfo
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Abstract
The invention discloses a digital signal managing method and a system. The method is operated to the electric apparatus, comprising following steps: selectively receiving multiple first digital TV signals and multiple second digital TV signals, and starting an internal display or an exterior display to display a series of pictures corresponding to the received digital TV signal. The digital TV signal managing method is applicable to the ground and handhold digital image broadcasting system, which selectively receives the signals and is selectively applicable to the internal or exterior display and keeps the receiving and managing of the TV signal when the electric system listening to the incoming telegram. The invention also discloses a digital TV signal managing system and a signal managing method which can selectively receive the ground image broadcasting signal or handhold image broadcasting signal and is selectively applicable to the internal or exterior display and keeps the receiving and managing of the TV signal when the electric system listening to the incoming telegram.
Description
Technical field
The invention relates to a kind of electronic installation, is about method for managing television (TV) signals and system specifically, particularly relevant for a kind of method and system of managing heterogeneous (heterogeneous) TV signal source.
Background technology
Top box of digital machine (digital set-top box) is widely used in the digital service that online listing is provided.Great majority, top box of digital machine can provide high definition digital television (High Definition TV, service HDTV).
Yet the top box of digital machine of prior art is only applicable to one of ground digital image broadcasting system or hand-held digitized video broadcast system; Can't select to output to internal display or external display; When the electronic equipment incoming call answering, need interrupt simultaneously reception and management to TV signal.
Summary of the invention
The management method and the system that the purpose of this invention is to provide a kind of TV signal source are applicable to the situation that has ground and hand-held image broadcast singal simultaneously; Can select one and be applied to inside or external display, the reception and the management that can when the electronic installation incoming call answering, keep TV signal simultaneously.
A kind of technical scheme of dealing with problems is: a kind of method for managing television (TV) signals is provided, is executed in electronic installation, above-mentioned method for managing television (TV) signals comprises the following steps.Selective reception first digital television signal and second digital television signal one of them, wherein above-mentioned first digital television signal has different forms with above-mentioned second digital television signal, and select to enable internal display and external display one of them, with a succession of picture of the digital television signal that shows corresponding reception.Electronic installation comprises above-mentioned internal display, and is coupled to the said external display.
The another kind of technical scheme of dealing with problems is: a kind of method for managing television (TV) signals is provided, is executed in electronic installation, above-mentioned method for managing television (TV) signals comprises the following steps.Selective reception first digital television signal and second digital television signal one of them, wherein above-mentioned first digital television signal has different forms with above-mentioned second digital television signal.The digital television signal that conversion receives becomes a plurality of output signals, and outputs signal to external display via the jockey transmission, restarts external display to show a succession of picture of corresponding above-mentioned output signal.Receive incoming call.And in the conversion of reception of answering above-mentioned incoming call without interruption digital television signal and above-mentioned output signal when transmitting, carry out communication with remote electronic device.
Another technical scheme of dealing with problems is: a kind of managing television (TV) signals system is provided, places in the electronic installation, above-mentioned managing television (TV) signals system comprises antenna, digital TV receiving system and processor.Digital TV receiving system is coupled to above-mentioned antenna.Above-mentioned processor is coupled to digital TV receiving system, in order to set digital TV receiving system, with via antenna and digital TV receiving system selective reception first digital television signal and second digital television signal one of them, wherein above-mentioned first digital television signal has different forms with second digital television signal, and select to start internal display and external display one of them, with a succession of picture of the digital television signal that shows corresponding reception.Electronic installation comprises above-mentioned internal display, and is coupled to the said external display.
Another technical scheme of dealing with problems is: a kind of managing television (TV) signals system is provided, place in the electronic installation, above-mentioned managing television (TV) signals system comprises first antenna, second antenna, jockey, digital TV receiving system, communication system and processor.Digital TV receiving system is coupled to first antenna, in order to selective reception first digital television signal and second digital television signal one of them, wherein above-mentioned first digital television signal has different forms with above-mentioned second digital television signal.Communication system is coupled to second antenna, in order to receive incoming call.Processor is coupled to digital TV receiving system, the digital television signal that receives in order to conversion becomes a plurality of output signals, transmit via jockey and to output signal to external display showing a succession of picture of corresponding output signal, and when incoming call answering, get in touch with remote electronic device and do not interrupt the reception of digital television signal and the conversion and the transmission of output signal.
Above-mentioned managing television (TV) signals system and the optionally connected receipts of SIGNALS MANAGEMENT method ground image broadcast singal or hand-held image broadcast singal; Can select to be applied to inside or external display; The reception and the management that can when the electronic installation incoming call answering, keep TV signal simultaneously.
Description of drawings
Fig. 1 is the signal functional block diagram of ground digital image broadcasting transfer system one execution mode.
Fig. 2 is the signal functional block diagram of hand-held digitized video broadcasting transfer system one execution mode.
Fig. 3 comprises the time to cut apart the schematic diagram of data flow one execution mode of service.
Fig. 4 is the schematic diagram of an execution mode of forward error correction picture.
Fig. 5 is the schematic diagram of an execution mode of computer.
Fig. 6 a is the schematic diagram that electronic installation is coupled to an execution mode of main frame.
Fig. 6 b is the schematic diagram that electronic installation is coupled to another execution mode of main frame.
Fig. 7 is the schematic diagram of an execution mode that is applied in the hardware environment of electronic apparatus.
Fig. 8 is the calcspar of an execution mode of digital TV receiving system.
Fig. 9 a is the schematic diagram of man-machine interface one execution mode of television source menu.
Fig. 9 b is the schematic diagram of man-machine interface one execution mode of output device menu.
Fig. 9 c is the schematic diagram of man-machine interface one execution mode of dateout pattern menu.
Figure 10 a-Figure 10 e is the execution mode schematic diagram of the transfer of data flow process of different situations settings.
Embodiment
Ground digital image broadcasting (Digital Video Broadcasting-Terrestrial, DVB-T) transfer system can use orthogonal frequency division multiplex (MUX) (Orthogonal Frequency Division Multiplexing, OFDM) modulation with link chnnel coding (coded orthogonal frequency division multiplexing (Coded Orthogonal FrequencyDivision Multiplexing for example, COFDM)) transmit mpeg group (Moving Picture ExpertsGroup, MPEG) stream.Fig. 1 comprises mpeg group source code and multiplex (MUX) unit 110 for the signal functional block diagram of an execution mode of ground digital image broadcasting transfer system, ground digital image broadcasting transfer system, and terrestrial channel adapter 120.Mpeg group source code and multiplex (MUX) unit 110 can become image, sound and data flow multiplex (MUX) mpeg group program stream (MPEG Program Stream, and one or more program stream can combine and becomes the mpeg group and transmit stream MPEGPS).Mpeg group program stream can be MPEG-1, MPEG-2, MPEG-4, H.263 or H.264 waits.It is the basic digital stream that DTV receiver transmitted and received that the mpeg group transmits stream (MPEG Transport Stream, MPEG TS).It should be noted that two kinds of different transmission streams can use the technology of a kind of " hierarchy type transmission " by name to transmit simultaneously.For example, hierarchy type transmit can on same carrier wave, transmit standard television signal (Standard Definition TV, SDTV) and high-definition TV signal.According to the quality of received signal, DTV receiver can be selected decoding standard TV signal or high-definition TV signal.
The mpeg group transmits the data packet sequence (for example 188 byte lengths) that stream can be expressed as regular length.Multiplex (MUX) conversion can be used the technology of energy dispersion with energy disperser 1211a or 1211b and reduce correlation between byte sequence.External encoder 1213a or 1213b are used for the transmission data protection of the first order.For example, (Reed Soloman, RS) (204,188) are in order to the correction to maximum 8 error bytes in each 188 byte package for Randt-solomon code.Traditional interleaving technique (interleaving) is to use outside interleaver 1215a or 1215b to rearrange the data sequence of transmission.Internal encoder 1217a or 1217b are used for partial transmission data protection.For example, can based on encoding rate be 1/2 and original convolution code with 64 kinds of states use perforation formula convolution code (punctured convolutional code).In addition, can to allow encoding rate be that 1/2 original convolution code reaches 2/3,3/4,5/6 and 7/8 punching rate for internal encoder 1217a or 1217b.Inner interleaver 1221 is rearranged data sequence once more, in order to reduce the influence of burst errors.Projection instrument (mapper) 1223 videos this sequence of digital bit to the fundamental frequency modulation sequence of complex symbol (complexsymbol), for example use quadravalence phase shift keying modulation (Quadrature Phase-ShiftKeying, QPSK), 16-orthogonal amplitude modulating and changing (16-Quadrature Amplitude Modulation, 16-QAM), 64-orthogonal amplitude modulating and changing (64-QAM), non-single 16-orthogonal amplitude modulating and changing (non-uniform16-QAM) or the planisphere technology such as (constellations) of non-single 64-orthogonal amplitude modulating and changing (non-uniform 64-QAM).Picture conversion device 1227 is assembled the block (1512,3024 or 6048 symbols being arranged as each block) that above-mentioned complex symbol becomes regular length.A picture (frame) has 68 blocks, and a super picture (superframe) has 4 pictures.Receive in order to simplify the signal that is transferred to the terrestrial wireless channel, extra signal can be inserted in each block.Pilot signal (pilot signal) 1225 can be used for the stage such as gradeization, and the signal that passes a parameter (Transmission Parameters Signaling TPS) 1225 can be in order to send to transmit parameter and this signal of unique identification of signal.Orthogonal frequency division multiplex (MUX) modulator 1229 uses 2048,4096 or 8192 carrier waves (being 2k, 4k or 8k pattern) these block sequences of modulation.In order to reduce the complexity of receiver, each orthogonal frequency division multiplex (MUX) block can be by inserting guard interval inserter 1231 with expansion, and for example afterbody one segment length being replicated in beginning place (is Cyclic Prefix, cyclicprefix).The length of guard interval can be 1/32,1/16,1/8 or 1/4 of original block length.Digital/analog converter 1233 can convert digital signal to analog signal, and at last by radio-frequency front-end 1235 with radio frequency (VHF or UHF) modulation.The details of ground digital image broadcasting transfer system can be according to ESTI standard: EN 300 744 V1.5.1, Digital Video Broadcasting (DVB); Framingstructure, channel coding and modulation for digital terrestrial television (in November, 2004).
(Digital Video Broadcasting-Handheld DVB-H) is the technical specification of the employed broadcast service of hand held receiver in hand-held digitized video broadcasting.Fig. 2 is the functional block diagram of an execution mode of hand-held digitized video broadcasting transfer system, and hand-held digitized video broadcasting transfer system comprises that handing digitized video broadcasting separates encoder 210, multiplex (MUX) unit 230 and ground digital image broadcasting coding and modulator 250.Hand-held digitized video broadcasting, as a kind of transmission standard, standard the assembly of physical layer (physical layer) with bottom agreement.Hand-held digitized video broadcast system transmits and the use battery saving mode based on the time-multiplex of difference service (as TV programme).The cutting of 215 times of implementation of time cutting module can reach the effect of a large amount of battery power savings.In hand-held digitized video broadcast system, the multiplex (MUX) of service carries out in the mode of pure time division multiplexing.Thus, the data of a special services can not transmitted continuously, but can be with the periodically mode indexing transfer of burst (burst) closely.
Fig. 3 has comprised the time to cut apart the schematic diagram of an execution mode of the data flow (being also referred to as hand-held digitized video broadcasting stream, DVB-H TS) of service.13.27Mbit/s 1/4th channels 310 of ground digital image broadcasting channel are distributed to hand-held digitized video broadcast service, remaining channel 320 to 340 is then shared by common ground digital image broadcast service.This example is expressed and is transmitted ground digital image broadcast data simultaneously and hand-held digitized video broadcast data is feasible in identical network.In addition, if DTV receiver only uses a recruiting unit to move to another cellular network from a cellular network (network cell), the time cutting then can realize soft handing-over (soft handover) function.
Hand-held digitized video broadcast system is unlike the ground digital image broadcasting system, and it is that (Internet Protocol is basic IP) with procotol.The fundamental frequency interface of hand-held digitized video broadcast system is the procotol interface.This interface allows hand-held digitized video broadcast system in conjunction with other network based on procotol.The Internet protocol data is utilized multiple protocol encapsulation, and (Multi-Protocol Encapsulation MPE) is embedded in the transmission stream.Forward error correction corrigendum (Forward Error Correction, FEC) extra play of data, (Multi-Protocol Encapsulation-Forward Error Correction, MPE-FEC) layer can be additional to multiple protocol encapsulation level in for example multiple agreement-forward error correction.Multiple protocol encapsulation-forward error correction device 211 is positioned at articulamentum (link layer), before multiple protocol encapsulation device 213 is not carried out multiple protocol encapsulation with the procotol inlet flow, carries out multiple protocol encapsulation-forward error correction and handles.Multiple protocol encapsulation-forward error correction device 211, multiple protocol encapsulation device 213 and time cut apart that module 215 is common to be constituted hand-held digitized video broadcasting and separate encoder 210, have comprised the basic function of hand-held digitized video broadcast system.The procotol inlet flow as independent basic streams, carries out the multiplex (MUX) according to the time dividing method.Multiple protocol encapsulation-forward error correction protection mechanism is respectively each independent basic flowmeter to be calculated.The procotol package packed subsequently and in be embedded to and transmit in the stream.
Multiple protocol encapsulation-forward error correction protection mechanism can comprise the Randt-solomon code that combines with the block interleaver.Multiple protocol encapsulation-forward error correction device 211 can be created a specific picture framework, and the forward error correction picture is integrated the input data that encoder 210 is separated in hand-held digitized video broadcasting.
Fig. 4 is the schematic diagram of an execution mode of forward error correction picture, comprises at most to 1024 line numbers of going and the columns of fixing 255 row.The corresponding byte of each picture unit, and the about 2M bit of maximum picture capacity.The forward error correction picture can be divided into two parts, the application data epi-position in the left side (191 row) and Randt-Suo Luo gated data epi-position in the right side (64 row).The application data table is inserted the procotol package of the service that needs protection.After the application data of every row was used Randt-Suo Luomen (255,191) sign indicating number, Randt-Suo Luo gated data table comprised the parity byte (parity byte) of Randt-solomon code.Behind coding, the procotol package is read and is packaged into the procotol section with multiple protocol encapsulating method from the application data table.Fetch from the parity data of Randt-Suo Luo gated data table behind the application data of every row and be packaged into different forward error correction sections.Multiple protocol encapsulation-forward error correction is cut apart directly related with the time.Two kinds of technology all are applied to basic fluid layer level, and the burst cut apart of time may comprise the content of one or more forward error correction pictures.The details of hand-held digitized video broadcasting transfer system can be according to ESTI standard: EN302 304 V1.1.1, Digital Video Broadcasting (DVB); Transmission System forHandheld Terminals (DVB-H) (in November, 2004).
Fig. 5 is the schematic diagram that comprises computer 500 1 execution modes of internal display 510 and main frame 530.Main frame 530 is furnished with at least one connectivity port usually, for example connectivity port 531 or 533.Wireless transceiver 535 can be coupled to electronic installation, for example mobile phone, personal digital assistant (Personal DigitalAssistant, PDA) or the like.The connectivity port can be serial port or parallel port.Serial port, for example RS232, RS242, serial ATA (Serial Advanced Technology Attachment, SATA), USB (Universal Serial Bus, USB), IEEE 1 394 or universal asynchronous receiving-transmitting (Universal Asynchronous Receiver Transmitter, UART) port or the like is a kind of computer interface that data once can be inputed or outputed with a bit.Parallel port, for example integrate and drive electronics (Integrated Drive Electronics, IDE) device, small computer system interface (Small ComputerSystem Interface, SCSI), IEEE 1284 ports or the like, for a kind of can be with data (promptly to surpass a line transmission) computer interface of inputing or outputing in a parallel manner.Therefore parallel port transmits the data of a bit on every line, obtainable transfer rate is to surpass several times for (in contrast to serial port for) for the single transmission line.Usually several extra transmission lines are prepared to begin to transmit or receive with designation data as control signal wire on the parallel port.Wireless transceiver, for example 802.x, bluetooth (Bluetooth) or infrared ray (Infrared Data Association, IrDA) transceiver or the like, be a kind of can radio frequency or infrared signal transmit data computing machine interface.In addition, those skilled in the art should know that some execution modes of computer 500 can be other computer system settings, comprise hand-held device, multi-processor system, microprocessor system or programmable consumer electronics device, notebook computer or the like.
Fig. 6 a is the schematic diagram that electronic installation 600 is coupled to an execution mode of main frame.Electronic installation 600 is coupled to main frame 530 via connector 650, connecting line 651 and connectivity port 531.One better embodiment of electronic installation 600 is for to obtain electric power via universal serial bus connector, USB connecting line and USB to main frame 530.Fig. 6 b is the schematic diagram of electronic installation 600, and it is coupled to main frame 530 via wireless transceiver 535.
When electronic installation 600 is coupled to main frame 530 via connectivity port 531 or wireless transceiver 535, main frame 530 can be by UPnP that UPnP Forum proposed (Universal Plug andPlay, UPnP) agreement and differentiate and set electronic installation 600 and be outside TV signal receiver.Therefore, main frame 530 can receive heterogeneous TV signal, for example receives ground digital image broadcast singal, hand-held digitized video broadcast singal or the like via electronic installation 600.
Fig. 7 is the schematic diagram of an execution mode of action electronic device 700 attainable hardware environment, and it mainly comprises communication system 7301, microphone 7302, loudspeaker 7303, double antenna 7304 and 7323, processor 7305, memory 7306, is connected controller 7310, jockey 7311, image-decoding device 7312, Storage Media 7313, display unit 7314, digital TV receiving system 7321 and keyboard controller 7330.When communication system 730l is connected to cellular network, can be via antenna 7304 other long-range electronic apparatus of contact.Cellular network comprises global system for mobile communications (Global System For Mobilecommunications, GSM), wireless universal packet service (General Packet Radio Service, GPRS), enhanced data-rates whole world Mobile Communications evolution system (Enhanced Data rates for GlobalEvolution, EDGE), code division multiple access system (Code Division Multiple Access, CDMA), broadband demal multiplex (MUX) access system (Wideband Code Division Multiple Access, WCDMA), or circuits switched data systems (Circuit Switched Data, CSD) or the like.Processor 7305 control figure TV receiving system 7321 receive ground digital image broadcast singal or hand-held digitized video broadcast singal according to the related setting parameter via antenna 7323 selectivity.Processor 7305 can periodically issue polling request to communication system 7301 obtaining information, whether indication receives incoming call when receiving ground or hand-held digitized video broadcast singal.Processor 7305 can use the multitask environment to carry out two or more software tasks, when detecting incoming call from long-range electronic apparatus and received, respectively via communication system 7301 contact remote action electronic installations, and via digital TV receiving system 7321 received television signals.So action electronic device 700 can be got in touch with the remote action electronic installations and be operable to the external digital television receiver via communication system 7301 when incoming call answering simultaneously.Processor 7305 is connected to communication system 7301, digital TV receiving system 7321, memory 7306, connects controller 7310, image-decoding device 7312, Storage Media 73 13, display unit 7314 and keyboard controller 7330 via multiple bus architecture.
Fig. 8 is the calcspar of an execution mode of digital TV receiving system 7321, comprises ground digital image broadcast demodulator (DVB-T demodulator) 8100, ground/hand-held digitized video broadcasting de-multiplexer (DVB-T/DVB-H de-multiplexer) 8300 and hand-held digitized video radio network agreement decapsulator (DVB-H IP decapsulator) 8500.Ground digital image broadcast demodulator 8100 is converted to fundamental frequency via radio-frequency front-end with the radio frequency (VHF, UHF) that receives, and utilizes analog/digital converter to be converted to digital signal again.This fundamental frequency digital signal must utilize inner Time And Frequency synchronization module to search the starting point of differentiating picture and block.Then in guard interval, remove Cyclic Prefix.Inner orthogonal frequency division multiplex (MUX) demodulation module will use the block sequence demodulation of 2048,4096 or 8 192 carrier modulations (2k, 4k or 8k pattern) to come out.Inner change modules such as frequency are utilized pilot signal change received signals such as (for example pilot signal in the pilot signal of Fig. 1 and the signal 1225 that passes a parameter).Complex symbol sequence behind this fundamental frequency modulation is reduced by the mapping device (de-mapper) of separating of inside, for example use quadravalence phase shift keying modulation, 16-orthogonal amplitude modulating and changing, 64-orthogonal amplitude modulating and changing, the non-single 16-orthogonal amplitude modulating and changing or the technology such as planisphere of non-single 64-orthogonal amplitude modulating and changing.The result who separates mapping experiences that inner release of an interleave, inner decoding, external solution are staggered, external decoder and multiplex's conversion.Above-mentioned action is the reverse operating of corresponding inner interleaver (for example Fig. 1 assembly 1211), internal encoder (for example Fig. 1 assembly 1217a or 1217b), outside interleaver (for example Fig. 1 assembly 1215a or 1215b), external encoder (for example Fig. 1 assembly 1213a or 1213b) and multiplex's conversion and energy disperser (for example Fig. 1 assembly 1211a or 1211b) respectively, transmits stream (MPEG TS) to obtain original mpeg group.
When digital TV receiving system 7321 when receiving ground digital image broadcast singal, the running of ground digital image broadcasting de-multiplexer 8300 is opposite with the operation of mpeg group source code and multiplex (MUX) unit (for example assembly 110 of Fig. 1), can transmit the stream from animation expert group and obtain mpeg group program stream (MPEG PS).When digital TV receiving system 7321 was handed the digitized video broadcast singal in order to receive, hand-held digitized video broadcasting de-multiplexer 8300 was in order to carry out synchronously a plurality of bursts of above-mentioned hand-held digitized video broadcast singal; But in the blanking time of obtaining hand-held digitized video broadcasting transmission stream (DVB-H TS) or forward error correction picture, hand-held digitized video broadcasting de-multiplexer 8300 switches to battery saving mode.When obtaining the forward error correction picture, hand-held digitized video broadcasting de-multiplexer 8300 is carried out decoding FEC in addition and is transmitted stream to obtain hand-held digitized video broadcasting.Hand-held digitized video radio network agreement decapsulator 8500 then transmits stream from hand-held digitized video broadcasting and obtains procotol package (Internet Protocol packet, IPpacket), it comprises original mpeg group program stream, for example image, sound and/or data flow.
Display unit (for example assembly 73 14 of Fig. 7), for example colorful ultra-twist is to row (ColorSuper-Twisted Nomadic, CSTN) display, thin film field effect transistor liquid crystal (Thin FilmTransistor-Liquid Crystal Display, TFT-LCD) display, Organic Light Emitting Diode (OrganicLight-Emitting Diode, OLED) display or the like can show that many man-machine interfaces are beneficial to the parameter setting of DTV receiver.When keyboard controller (for example assembly 7330 of Fig. 7) detects function key (hard key) on the keyboard (for example 733 1 of Fig. 7) when pushing, the software instruction that the corresponding keyboard incident of knocking will trigger and carry out association is to set specific hardware circuit (for example be at least the assembly 7312 and 7310 of Fig. 7, and the assembly 8100,8300 and 8500 of Fig. 8).
Fig. 9 a is the schematic diagram that television source is selected man-machine interface one execution mode of catalogue 910, comprises two catalogue options 911 and 913 and two soft keys (soft key) 915 and 917. Catalogue option 911 and 913 is display text " broadcasting of ground digital image " and " hand-held digitized video broadcasting " respectively.This selection of representing the reception of hand-held or ground digital image broadcast singal selects catalogue 910 operated by television source.Fig. 9 b is the schematic diagram that output device is selected man-machine interface one execution mode of catalogue 930, comprises two catalogue options 931 and 933 and two soft keys 935 and 937. Catalogue option 931 and 933 is display text " the inner demonstration " and " the outside demonstration " respectively.This mpeg group program stream or procotol package that expression is hand-held or ground digital image broadcast singal carries, can select catalogue 930 by output device, selection will output to internal display (as the assembly 7314 of Fig. 7), or exports external display to via connecting controller and jockey (as the assembly 7310 and 7311 of Fig. 7).Jockey can be serial port, parallel port or wireless transceiver.Fig. 9 c is that the dateout kenel selects the schematic diagram of man-machine interface one execution mode of catalogue 950, comprises two catalogue options 951 and 953 and two soft keys 955 and 957. Catalogue option 951 and 953 is display text " procotol package " and " mpeg group program stream " respectively.This expression is via connecting the selection that controller and jockey are sent to the procotol package or the mpeg group program stream of external display, and is operated by dateout kenel catalogue 950.These setup parameters can be stored in the memory (as the assembly 7306 of Fig. 7) or Storage Media (as the assembly 73 13 of Fig. 7) for further reference.
The situation of several setup parameters of DTV receiver provides as follows.Figure 10 a is the transfer of data flow process schematic diagram that first situation is set.When the parameter of setting points out that received signal is that the entrained mpeg group program stream (MPEG PS) of ground digital image broadcast singal (DVB-T) and ground digital image broadcast singal is when desiring to export to the local side display, ground digital image broadcast demodulator 8100 at first is activated, and transmits stream (MPEGTS) in order to receive ground digital image broadcast singal to obtain the mpeg group.Ground digital image broadcasting de-multiplexer 8300 is activated then, obtains mpeg group program stream (MPEG PS) in order to transmit stream from animation expert group, and in order to mpeg group program stream is sent to image-decoding device 7312.7312 pairs of mpeg groups of image-decoding device program stream is decoded to obtain a series of picture.At last, these pictures can be presented at display unit 7314 by adjoining land.
Figure 10 b is the transfer of data flow process schematic diagram that second situation is set.Pointing out received signal when the parameter of setting is that the entrained mpeg group program stream (MPEG PS) of hand-held digitized video broadcast singal (DVB-H) and hand-held digitized video broadcast singal is when desiring to export to the local side display, ground digital image broadcast demodulator 8100 at first is activated, and transmits stream (MPEG TS) in order to receive hand-held digitized video broadcast singal to obtain the mpeg group.Hand-held then digitized video broadcasting de-multiplexer 8300 is activated, obtain hand-held digitized video broadcasting and transmit stream (DVB-H TS) in order to transmit stream from animation expert group, and transmit to spread and deliver to hand-held digitized video radio network agreement decapsulator 8500 in order to will hand digitized video broadcasting.Hand-held digitized video radio network agreement decapsulator 8500 transmits stream from hand-held digitized video broadcasting and obtains the procotol package, and transmits these procotol packages to processor 7305.Carry out related application in the processor 7305 obtaining mpeg group program stream (MPEG PS) from these procotol packages, and transmit this mpeg group program stream to image-decoding device 7312.Image-decoding device 7312 is decoded to obtain a series of picture to this mpeg group program stream.At last, these pictures are presented at display unit 7314 with adjoining land.
Figure 10 c is the transfer of data flow process schematic diagram that the 3rd situation is set.When the parameter of setting points out that received signal is that the entrained mpeg group program stream (MPEG PS) of ground digital image broadcast singal (DVB-T) and ground digital image broadcast singal is when desiring to export external display to, ground digital image broadcast demodulator 8100 at first is activated, and transmits stream (MPEG TS) in order to receive ground digital image broadcast singal to obtain the mpeg group.Ground digital image broadcasting de-multiplexer 8300 is activated then, obtains mpeg group program stream (MPEG PS) in order to transmit stream from animation expert group, and in order to mpeg group program stream is sent to controller 7310 in succession.Controller 7310 transmits mpeg group program stream to external electronic via jockey 7311 in succession, for example notebook computer, personal computer, PDA(Personal Digital Assistant), portable multimedia player (Portable Media Player, PMP) or the like.Then external electronic is decoded into a succession of picture with mpeg group program stream, and decoded picture is presented on its display.
Figure 10 d is the transfer of data flow process schematic diagram that the 4th situation is set.Pointing out received signal when the parameter of setting is that hand-held digitized video broadcast singal (DVB-H) and the entrained procotol package of hand-held digitized video broadcast singal are when desiring to export external display to, ground digital image broadcast demodulator 8100 at first is activated, and transmits stream (MPEGTS) in order to receive hand-held digitized video broadcast singal to obtain the mpeg group.Hand-held then digitized video broadcasting de-multiplexer 8300 is activated, obtain hand-held digitized video broadcasting and transmit stream (DVB-H TS) in order to transmit stream from animation expert group, and will hand digitized video broadcasting and transmit to spread and deliver to hand-held digitized video radio network agreement (DVB-H IP) decapsulator 8500.Hand-held digitized video radio network agreement decapsulator 8500 transmits stream from hand-held digitized video broadcasting and obtains procotol package (IP Packet), and transmits these procotol packages to connecting controller 7310.Controller 7310 transmits the procotol packages to external electronic for example notebook, personal computer, PDA(Personal Digital Assistant), portable multimedia player (PMP) or the like via jockey 7311 in succession.Then external electronic obtains mpeg group program stream (MPEG PS) from the procotol package, from wherein decoding a succession of picture, these pictures is presented on its display more again.
Figure 10 e is the transfer of data flow process schematic diagram that the 5th situation is set.Pointing out received signal when the parameter of setting is the entrained mpeg group program stream (MPEG PS) of hand-held digitized video broadcast singal (DVB-H) and hand-held digitized video broadcast singal when desiring to export external display to, and ground digital image broadcast demodulator 8100 transmits stream (MPEG TS) in order to receive hand-held digitized video broadcast singal to obtain the mpeg group.Hand-held digitized video broadcasting de-multiplexer 8300 is obtained hand-held digitized video broadcasting and is transmitted stream (DVB-H TS) in order to transmit stream from animation expert group, and transmits to spread and deliver to hand-held digitized video radio network agreement (DVB-H IP) decapsulator 8500 in order to will hand digitized video broadcasting.Hand-held digitized video radio network agreement decapsulator 8500 transmits stream from hand-held digitized video broadcasting and obtains procotol package (IP Packet), and transmits these procotol packages to processor 7305.The related application that is executed in 7305 li of processors is obtained mpeg group program stream (MPEGPS) from these procotol packages, and transmits this mpeg group program stream to connecting controller 7310.Controller 7310 transmits mpeg group program stream to external electronic via jockey 7311 in succession, for example takes down notes computer, personal computer, PDA(Personal Digital Assistant), portable multimedia player (PMP) or the like.Then external electronic obtains mpeg group program stream (MPEG PS) from the procotol package, from wherein decoding a succession of picture, these pictures is shown on its display again.
The method of managing television (TV) signals, or the content of its certain aspect or part may present with the form of the program coding (as command code) that is embedded in tangible media (as floppy disk, CD, hard disk or other machine readable storage media).Wherein, when these program codes are loaded and are executed in a machine (as computer, DVD cd-rom recorder etc.),, these machines realize device of the present invention just becoming.The method of above-mentioned exposure also may be embedded in and be transmitted in some program code that transmits media (for example transmission of electric wire, cable, optical fiber or other pattern).Wherein, when these program codes are loaded and are executed in a machine (as computer, mobile phone etc.),, these machines realize device of the present invention just becoming.When being implemented in a general processor, program code can provide the unique apparatus of a class of operation like particular logic circuit with combining of processor.
Though the present invention discloses as above with execution mode, but for those skilled in the art, according to the thought of embodiment of the present invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (20)
1. a method for managing television (TV) signals is executed in electronic installation, and above-mentioned method for managing television (TV) signals comprises:
Selective reception first digital television signal and second digital television signal one of them, wherein above-mentioned first digital television signal has different forms with above-mentioned second digital television signal; And
Selection enable internal display and external display one of them, with a succession of picture of the digital television signal that shows corresponding above-mentioned reception, wherein above-mentioned electronic installation comprises above-mentioned internal display, and above-mentioned electronic installation is coupled to the said external display.
2. method for managing television (TV) signals as claimed in claim 1 is characterized in that, above-mentioned electronic installation is a mobile phone.
3. method for managing television (TV) signals as claimed in claim 1 is characterized in that, above-mentioned first digital television signal is a ground digital image broadcast singal, and above-mentioned second digital television signal is hand-held digitized video broadcast singal.
4. method for managing television (TV) signals as claimed in claim 1 is characterized in that, above-mentioned first and second digital television signal can be selected a reception according to first parameter value that the man-machine interface that above-mentioned electronic installation provides is set.
5. method for managing television (TV) signals as claimed in claim 1 is characterized in that, this method also comprises:
The digital television signal that provides second parameter to indicate above-mentioned reception will export above-mentioned internal display to or export the said external display to via jockey;
When above-mentioned second parameter indicates the digital television signal of above-mentioned reception will export above-mentioned internal display to, the digital television signal decoding of above-mentioned reception producing a succession of picture, and is shown above-mentioned picture on above-mentioned internal display; And
When above-mentioned second parameter indicates the digital television signal of above-mentioned reception will export the said external display to, the digital television signal of changing above-mentioned reception becomes a plurality of output signals, and, restart the said external display to show a succession of picture of corresponding above-mentioned output signal via the above-mentioned said external display that outputs signal to of above-mentioned jockey transmission.
6. method for managing television (TV) signals as claimed in claim 5 is characterized in that, above-mentioned second parameter is to be set by the man-machine interface that above-mentioned electronic installation provides.
7. method for managing television (TV) signals as claimed in claim 5 is characterized in that, this method also comprises:
When above-mentioned second parameter indicated the digital television signal of above-mentioned reception will export the said external display to, it was to produce with first form or second form to indicate above-mentioned output signal that the 3rd parameter is provided; And
According to above-mentioned the 3rd parameter, produce above-mentioned output signal with above-mentioned first form or above-mentioned second form.
8. method for managing television (TV) signals as claimed in claim 7 is characterized in that, the above-mentioned output signal of encoding with above-mentioned first form comprises that the mpeg group transmits stream, and the above-mentioned output signal of encoding with above-mentioned second form is a plurality of network package.
9. method for managing television (TV) signals as claimed in claim 7 is characterized in that, above-mentioned second parameter and above-mentioned the 3rd parameter are to be set by the man-machine interface that above-mentioned electronic installation provides.
10. a managing television (TV) signals system places in the electronic installation, and above-mentioned managing television (TV) signals system comprises:
Antenna;
Digital TV receiving system is coupled to above-mentioned antenna; And
Processor, be coupled to above-mentioned digital TV receiving system, in order to set above-mentioned digital TV receiving system, with via above-mentioned antenna and above-mentioned digital TV receiving system selective reception first digital television signal and second digital television signal one of them, wherein above-mentioned first digital television signal has different forms with second digital television signal, and select to start internal display and external display one of them, a succession of picture with the digital television signal that shows corresponding above-mentioned reception, wherein above-mentioned electronic installation comprises above-mentioned internal display, and above-mentioned electronic installation is coupled to the said external display.
11. managing television (TV) signals as claimed in claim 10 system is characterized in that above-mentioned electronic installation is a mobile phone.
12. managing television (TV) signals as claimed in claim 10 system is characterized in that above-mentioned first digital television signal is a ground digital image broadcast singal, and above-mentioned second digital television signal is hand-held digitized video broadcast singal.
13. managing television (TV) signals as claimed in claim 12 system is characterized in that:
Above-mentioned digital TV receiving system also comprises ground digital image broadcast demodulator, ground or hand-held digitized video broadcasting de-multiplexer, and the hand-held procotol decapsulator of digitized video;
Above-mentioned processor is obtained the mpeg group via above-mentioned ground digital image broadcast demodulator and is transmitted stream, and when receiving above-mentioned ground digital image broadcast singal, start above-mentioned ground digital image broadcasting de-multiplexer and comprise the mpeg group program stream that transmits the above-mentioned picture of stream from above-mentioned mpeg group to obtain; And
Above-mentioned processor is obtained above-mentioned mpeg group via above-mentioned ground digital image broadcast demodulator and is transmitted stream, and when receiving above-mentioned hand-held digitized video broadcast singal, start above-mentioned hand-held digitized video broadcasting de-multiplexer so that a plurality of bursts of above-mentioned hand-held digitized video broadcast singal are carried out synchronously, switch to battery saving mode obtaining in the blanking time that hand-held digitized video broadcasting transmits stream, and start the hand-held procotol decapsulator of above-mentioned digitized video and comprise a plurality of procotol packages that transmit a succession of above-mentioned picture that stream obtains from hand-held digitized video broadcasting to obtain.
14. managing television (TV) signals as claimed in claim 10 system is characterized in that, above-mentioned first and second digital television signal can be selected a reception according to first parameter value that the man-machine interface that above-mentioned electronic installation provides is set.
15. managing television (TV) signals as claimed in claim 10 system is characterized in that this system also comprises image-decoding device and the jockey that is coupled to the said external display, wherein
The digital television signal that above-mentioned processor provides second parameter to indicate above-mentioned reception will export above-mentioned internal display to or export the said external display via above-mentioned jockey;
When above-mentioned second parameter indicated the digital television signal of above-mentioned reception will export above-mentioned internal display to, above-mentioned processor was decoded the digital television signal of above-mentioned reception to produce a succession of picture and to show that above-mentioned picture is in above-mentioned inner display unit with above-mentioned image-decoding device; And
When above-mentioned second parameter indicates the digital television signal of above-mentioned reception will export the said external display to, the digital television signal that above-mentioned processor is changed above-mentioned reception becomes a plurality of output signals, and, restart the said external display to show a succession of picture of corresponding above-mentioned output signal via the above-mentioned said external display that outputs signal to of above-mentioned jockey transmission.
16. managing television (TV) signals as claimed in claim 15 system is characterized in that above-mentioned second parameter is to set according to the man-machine interface that above-mentioned electronic installation provides.
17. managing television (TV) signals as claimed in claim 15 system, it is characterized in that, above-mentioned jockey is the USB jockey, and above-mentioned electronic installation is obtained electric power via above-mentioned USB jockey from the external electronic that is coupled to the said external display.
18. managing television (TV) signals as claimed in claim 15 system, it is characterized in that, when above-mentioned second parameter indicates the digital television signal of above-mentioned reception will export the said external display to, provide the 3rd parameter to indicate above-mentioned output signal to produce, and produce above-mentioned output signal with above-mentioned first form or above-mentioned second form according to above-mentioned the 3rd parameter with first form or second form.
19. managing television (TV) signals as claimed in claim 18 system, it is characterized in that, above-mentioned output signal with above-mentioned first form coding comprises that the mpeg group transmits stream, and the above-mentioned output signal of encoding with above-mentioned second form is a plurality of network package.
20. managing television (TV) signals as claimed in claim 18 system is characterized in that, above-mentioned second parameter and above-mentioned the 3rd parameter are to set according to the man-machine interface that is provided by above-mentioned electronic installation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82326006P | 2006-08-23 | 2006-08-23 | |
| US60/823,260 | 2006-08-23 |
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| CN2010102580003A Division CN101902592A (en) | 2006-08-23 | 2007-08-22 | System and method for managing television (TV) signals |
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| CN101132492B true CN101132492B (en) | 2010-10-27 |
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| CN2010102580003A Pending CN101902592A (en) | 2006-08-23 | 2007-08-22 | System and method for managing television (TV) signals |
| CN2007101466206A Expired - Fee Related CN101132492B (en) | 2006-08-23 | 2007-08-22 | Systems and methods for managing digital television (TV) signals |
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| CN2010102580003A Pending CN101902592A (en) | 2006-08-23 | 2007-08-22 | System and method for managing television (TV) signals |
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| TW (1) | TWI384871B (en) |
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| TWI505718B (en) * | 2012-01-17 | 2015-10-21 | Zyxel Communications Corp | Method of a set-top box switching parameters corresponding to a format and system for switching parameters corresponding to a format |
| TWI654862B (en) | 2017-12-29 | 2019-03-21 | 新唐科技股份有限公司 | Signal management device and signal management method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1362791A (en) * | 2000-12-29 | 2002-08-07 | Lg电子株式会社 | Information display method of mobile communication terminals |
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| US7580005B1 (en) * | 2000-08-15 | 2009-08-25 | Nokia Corporation | Display change between mobile terminal display and external device display |
| WO2003093967A1 (en) * | 2002-05-01 | 2003-11-13 | International Business Machines Corporation | Computer, display device setting method, and program |
| WO2005006743A1 (en) * | 2003-07-11 | 2005-01-20 | Infineon Technologies Ag | Integrated circuit for a mobile television receiver |
| US7480484B2 (en) * | 2004-03-30 | 2009-01-20 | Omnivision Technologies, Inc | Multi-video interface for a mobile device |
| JP2006020284A (en) * | 2004-05-31 | 2006-01-19 | Sanyo Electric Co Ltd | Portable telephone set and portable telephone system |
| TWI252690B (en) * | 2004-07-29 | 2006-04-01 | Realtek Semiconductor Corp | Digital TV receiver with antenna diversity |
| US8199781B2 (en) * | 2004-12-14 | 2012-06-12 | Samsung Electronics Co., Ltd | Device and method for demultiplexing received transport stream in digital broadcasting receiver |
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| CN1362791A (en) * | 2000-12-29 | 2002-08-07 | Lg电子株式会社 | Information display method of mobile communication terminals |
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| TWI384871B (en) | 2013-02-01 |
| CN101132492A (en) | 2008-02-27 |
| CN101902592A (en) | 2010-12-01 |
| TW200812385A (en) | 2008-03-01 |
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