CN1870743B - Visual telephone device controlled and displayed by wireless telephone and TV. - Google Patents
Visual telephone device controlled and displayed by wireless telephone and TV. Download PDFInfo
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- CN1870743B CN1870743B CN2005100718785A CN200510071878A CN1870743B CN 1870743 B CN1870743 B CN 1870743B CN 2005100718785 A CN2005100718785 A CN 2005100718785A CN 200510071878 A CN200510071878 A CN 200510071878A CN 1870743 B CN1870743 B CN 1870743B
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Abstract
This invention invention relates to a visual phone device including: a signal access module sending and receiving TV signals and visual phone signals, a signal process module for processing TV signals and visual phone signals, an information display module outputting the processed TV and visual phone signals to a video display device and an audio output device and a service logic applied program module finishing their functions by the access module, the signal process mode and information display mode, in which, the working mode can be controlled by the control instruction and said module can execute the mode corresponding to the set working mode.
Description
Technical field
The present invention relates to a kind of multi-functional videophone apparatus, relate in particular to the videophone apparatus that TV, plain old telephone and video telephone function is integrated, possesses the multimedia interactive ability, wherein with the common display device of television display, and can control videophone apparatus by improved cordless telephone device as the demonstration that is used for video telephone and TV.
Background technology
In the past people be in can provide the household electrical appliances of amusement function have only TV, computer etc. a few, along with progress of science and technology, and the trend of telecommunications network, the Internet and this integration of three networks of Broadcasting Cable Network, diversified information terminal and home appliance have appearred, as video telephone set, set-top box etc.When these equipment bring convenience to people, some new problems have also been brought.Owing to each equipment and terminal all are for realizing specific function, cooperating corresponding network to design and make, need various interface and line between the various device, thereby produce compatibility and the adaptive problem of interface between a lot of equipment, increased the possibility that breaks down, and these equipment have the function of a lot of repetitions each other, have increased cost and user's consumption, and have occupied user's living space more, cause indoor in a jumble, user's use has been caused obstacle.
TV, plain old telephone and video telephone function are the functions of the frequent use in the current and expected future subscriber household, and demand increases rapidly.Realize the relevant device of TV, plain old telephone and video telephone function at present, for example television equipment, telephone plant and videophone device all are the forms of stand-alone product, so the problems referred to above are particularly typical and outstanding for the user that needs use TV, plain old telephone and video telephone service.
Therefore, need be optimized integration, both keep the existing equipment function, overcome the videophone apparatus that hardware, software repeat to be provided with, to connect the problem of complexity, interoperability difference again to provide to discrete television equipment, plain old telephone equipment and videophone device.
Summary of the invention
At this situation, one object of the present invention is to provide a kind of videophone apparatus of controlling, utilize television set to show by cordless telephone, this device can provide TV, plain old telephone and video telephone service for the user, thereby provides multiple service ability with single covering device.
Another object of the present invention provides a kind of cordless telephone that is used to control above-mentioned telephone device.
According to a first aspect of the invention, provide a kind of videophone apparatus, having comprised: signal access module is used to receive and dispatch TV signal and visual signal; Signal processing module is used to handle described TV signal and visual signal; Information presents module, is used for corresponding video display apparatus and the audio output apparatus of outputing to visual signal of treated described TV signal; And service logic application program module, be used to receive the control command of outside input, to carry out corresponding handling process, and by described signal access module, signal processing model and information present module and finish described TV and video telephone function, wherein can one of television operations pattern and video telephone mode of operation be set by described control command, and described service logic application program module, signal access module, signal processing model and information present module and can carry out and the corresponding processing of one of set television operations pattern and video telephone mode of operation.
In a further embodiment, described videophone apparatus also comprises: plain old telephone equipment, it comprises the device that is used to receive the user control command input and sends described control command.
In a further embodiment, described signal access module comprises: interface unit is connected to TV signal transmission medium and visual signal transmission medium, with transmitting-receiving physics TV signal and visual signal; Signal pre-processing circuit is used for the input signal that described interface unit receives is carried out rectification, filtering and amplification; Amplifying circuit is used for the output signal that described interface unit will send is amplified; And the access control circuit, be used for controlling described interface unit, signal pre-processing circuit and amplifying circuit and carry out the selectivity signal processing according to the mode of operation gating.
In a further embodiment, described access control circuit supposition acquiescence mode of operation is television operations pattern or video telephone mode of operation.
In a further embodiment, described interface unit comprises the TV signal interface.Described TV signal interface comprises the radiated television signaling interface, CATV cable TV signal interface, AV signaling interface, other TV signal interface or its combination in any.
In a further embodiment, described interface unit comprises the visual signal interface.Described visual signal interface comprises the RJ45 network interface, other visual signal interface or its combination in any.
In a further embodiment, described interface unit comprises telephone signal interface.Described telephone signal interface comprises the RJ11 interface, other telephone signal interface or its combination in any.
In a further embodiment, described interface unit comprises the video acquisition interface.Described video acquisition interface comprises the interface of camera or external camera.
In a further embodiment, described interface unit comprises the audio collection interface.Described audio collection interface comprises for example telephone receiver input interface.
Interface unit can be wired or wireless.
In a further embodiment, described signal pre-processing circuit comprises and the corresponding pre-process circuit of input interface type that is comprised.
In a further embodiment, described signal amplification circuit comprises and the corresponding amplifying circuit of output interface type that is comprised.
In a further embodiment, described access control circuit is controlled according to mode of operation signal docking port unit, with gating and the indicated required interface type corresponding interface of mode of operation of mode of operation signal, and signal pre-processing circuit and signal amplification circuit are controlled, to enable required corresponding pre-process circuit of interface type and the amplifying circuit of mode of operation indicated with the mode of operation signal.
In a further embodiment, described signal processing module comprises: signal processing control circuit, modulation-demodulation circuit, the coding and decoding video circuit, synchronization control circuit, audio coding decoding circuit and data encapsulation/parser circuitry, wherein signal processing control circuit is responsible for other circuit in the signal processing module are controlled, control signal comprises contactor signal and encoding and decoding control signal, the contactor signal is used for the different modulating demodulator circuit unit according to the different choice modulation-demodulation circuit of input signal, the encoding and decoding control signal chooses different code decode algorithms according to user instruction and code check is operated, modulation-demodulation circuit is responsible for the modulation and demodulation of signal, for output signal, be that baseband signal is modulated to high frequency carrier, for input signal, be that baseband signal demodulation from the high frequency carrier is come out, data encapsulation/parser circuitry is finished the bi-directional conversion of data-baseband signal, and finish the IP data are encapsulated and resolve, result is sent to the coding and decoding video circuit, synchronous circuit and audio coding decoding circuit, the coding and decoding video circuit, audio coding decoding circuit and synchronous circuit are responsible for respectively the video/audio signal is carried out encoding and decoding processing and video/audio Synchronous Processing.
In a further embodiment, described modulation-demodulation circuit comprises the different modulating demodulator circuit unit that is used to handle visual signal, TV signal and voice signal.
In a further embodiment, described information presents module and comprises that information presents treatment circuit, display circuit, audio output circuit, display and loud speaker, wherein information present treatment circuit according to the service logic application program module select about pattern, the control information of screen distributing position is carried out unified tissue to the data of a plurality of information sources, and the result after will handling is sent to display circuit, display circuit carries out conversion process with the shows signal of sending here, vision signal is presented on the display the most at last, and audio signal outputs to loud speaker by audio output circuit.
In a further embodiment, described service logic application presents module and comprises the control signal receiving circuit that receives control command, central logic controller, plain old telephone processing module, video telephony applications module, TV programme application module and other application module.
Aspect second of the present invention, a kind of cordless telephone that is used to control above-mentioned videophone apparatus is provided, comprising: the device that is used to regulate the volume of videophone apparatus; Be used to switch the device of the television channel of videophone apparatus; The device that is used for the switch videophone apparatus; Be used to switch the device of the mode of operation of videophone apparatus; And the device that is used for actions menu.Described mode of operation comprises television operations pattern and video telephone mode of operation.
In a further embodiment, described cordless telephone device also comprises: the keypad that is used for input of control commands; Be used for command coding circuit that control command is encoded; Be used for the logic control drive circuit that drives of control command to coding; And the infrared emission circuit that is used to transmit control signal.
Videophone apparatus of the present invention is by integrating TV and video telephone, and utilize improved cordless telephone that this device is carried out remote control and operation, each functional module is carried out unified design, make the user by easy operation, just can between multiple mode of operation, switch, realize multiple service.In addition, by the transformation of this device, video telephone and TV programme can common display, reduced number of devices and the equipment line in the family, improved product quality, reduce fault because of suffering from, and reduced cost, reduce user's cost.
Major advantage of the present invention is:
Integrated level is improved, the function of television equipment, plain old telephone equipment and several discrete products of videophone device before single covering device can provide.
Product quality and reliability improve, and single covering device can become one family integrated information and entertainment systems, has reduced line each other, also with regard to the corresponding adaptive and compatible problem of interface each other that reduced, have reduced the probability that fault takes place.
Greatly reduce cost.A plurality of modules such as video screen, network access module, video/audio signal processing module are shared by multiple functional module, reduced cost.
The user uses more convenient and is easy to and grasps.For discrete products, function of every realization all will be carried out line and configuration between the equipment, increases user's burden.The present invention is by organization of unity and user-interface design, and the user can be switched in several modes easily, and is easy to learn.
Can adopt cordless telephone as unified user's operation and remote control, improve equipment availability.
Description of drawings
Describe embodiments of the invention in detail below in conjunction with accompanying drawing, wherein
Fig. 1 is based on the structure chart of the videophone apparatus of one embodiment of the invention;
Fig. 2 is based on the outside drawing of the cordless telephone of the embodiment of the invention;
Fig. 3 is based on the mobile phone structure chart partly of the cordless telephone of the embodiment of the invention;
Fig. 4 is based on the base structure chart partly of the cordless telephone of the embodiment of the invention;
Fig. 5 is based on the schematic diagram of the control signal receiving circuit of the embodiment of the invention;
Fig. 6 is based on the flow chart of the TV functions under the realization video input of the embodiment of the invention;
Fig. 7 and 8 is based on the flow chart of the realization video telephone function of the embodiment of the invention; And
Fig. 9 is based on the flow chart that cordless telephone carries out remote control that passes through of present embodiment embodiment.
Embodiment
Fig. 1 is based on the structure chart of the videophone apparatus of one embodiment of the invention.
As shown in Figure 1, this videophone apparatus 1 comprises that signal access module 10, signal processing module 20, service logic application program module 30 and information present module 40.
Signal access module 10 comprises access control circuit 11, signal pre-processing circuit 12, amplifying circuit 13 and interface unit 14.
Interface unit 14 comprises the TV signal interface, radiated television signaling interface for example, CATV cable TV signal interface, the AV signaling interface, other TV signal interface or its combination in any, the visual signal interface, RJ45 network interface for example, other visual signal interface or its combination in any, telephone signal interface, RJ11 interface for example, other telephone signal interface or its combination in any and video acquisition interface, for example interface of camera or external camera, with the audio collection interface, telephone receiver input interface etc. for example.Described interface can be wired, also can be wireless, and can further expand as required, introduces USB, other interfaces such as 1394.Except that video acquisition interface and audio collection interface, all the other every kind interface is correspondence interface circuit independently all, is used to realize meeting the electric adaptive of corresponding interface procedure.Alternatively, each interface can have corresponding protection circuit, with the electrical security of modifying device.
Signal pre-processing circuit 12 comprises and the corresponding pre-process circuit of input interface type that is comprised, is used for the input signal of corresponding input interface type is carried out rectification, filtering and amplification.
Signal amplification circuit 13 comprises and the corresponding amplifying circuit of output interface type that is comprised, and is used for that the output signal of corresponding output interface type is carried out signal and amplifies.
Access control circuit 11 can be realized by programming by single-chip microcomputer or Programmable Logic Controller.Access control circuit 11 is according to controlling from the mode of operation signal docking port unit 14 of service logic application program module 30, with gating and the indicated required interface type corresponding interface (being used for input and output, input, output) of mode of operation of mode of operation signal, and signal pre-processing circuit 12 and signal amplification circuit 13 are controlled, to enable required corresponding pre-process circuit of interface type (input) and the amplifying circuit (output) of mode of operation indicated with the mode of operation signal.Alternatively, access control circuit 11 can be supposed acquiescence mode of operation, for example television mode.
Signal processing module 20 comprises signal processing control circuit 21, modulation-demodulation circuit 22, coding and decoding video circuit 23, synchronization control circuit 24, audio coding decoding circuit 25 and data encapsulation/parser circuitry 26.
Information processing control circuit 21 can be realized by programming by single-chip microcomputer or Programmable Logic Controller (realizing that device can be programmable gate array or ROM device), be responsible for other circuit in the signal processing module 20 are controlled, control signal comprises contactor signal and encoding and decoding control signal, the contactor signal is used for the different modulating demodulator circuit unit according to the different choice modulation-demodulation circuit 22 of input signal, and the encoding and decoding control signal chooses different code decode algorithms according to user instruction and code check is operated.Modulation-demodulation circuit 22 is responsible for the modulation and demodulation of signals, for output signal, is that baseband signal is modulated to high frequency carrier, for input signal, is that baseband signal demodulation from the high frequency carrier is come out.Because it is different that the physics of its transmission such as visual signal, video input signals and voice signal requires, its carrier frequency, pulse-width modulation, level etc. are all different, therefore the realization of modulation is also had any different, need be by adopting different modulation-demodulation circuit unit, the realization principle of its circuit is all identical, be the selection difference of device, as different frequency oscillators, pulse generator etc.Data encapsulation/parser circuitry 26 has two functions, the one, finish the processing of physical signalling, promptly finish the bi-directional conversion of data-baseband signal, the 2nd, finish that the IP data are encapsulated and resolve, the work of data processing is by the special chip support, perhaps also this partial function can be transferred to service logic application program module 40 and finish, result is sent to coding and decoding video circuit 23, synchronous circuit 24 and audio coding decoding circuit 25.Coding and decoding video circuit 23, audio coding decoding circuit 25 and synchronous circuit 24 are responsible for respectively the video/audio signal is carried out encoding and decoding processing and video/audio Synchronous Processing, all will handle for input/output signal.The special codec chip of coding and decoding video circuit 23 and audio coding decoding circuit 25 usefulness realizes, chip select the vedio/audio file format determination of supporting by system requirements for use.For example, when working in videophone mode, modulation-demodulation circuit 22 will be modulated on the carrier wave from the baseband signal of the video telephone data of data encapsulation/parser circuitry 26, be sent to signal amplification circuit 13 in the signal access module 10 again to send by interface unit 14, visual signal for input, signal pre-processing circuit 12 carries out filtering, rectification and signal processing and amplifying to it, the modulation-demodulation circuit of delivering to again from signal access module 20 22 carries out demodulation, obtain baseband signal, be sent to data encapsulation/parser circuitry 26 again and handle.Under this mode of operation, coding and decoding video circuit 23, synchronous circuit 24 and audio coding decoding circuit 25 carry out for output signal, delivering to encapsulation/parser circuitry and encapsulate behind video encoding alternately with data encapsulation/parser circuitry 26; For input signal,, pass through the decoding of video/audio coding-decoding circuit again through after the data parsing.
Information presents module 30 and comprises that information presents treatment circuit 31, display circuit 32, audio output circuit 33, display 34 and loud speaker 35.
Information presents module 30 special display circuit.Control informations such as the pattern of selecting according to service logic application program module 40, screen distributing position, these control informations are at the application module that relates to demonstration of service logic application program module 40, for example the video telephony applications module 44, realize in the TV programme application module 45, can be prestored into page editing information etc., and can adjust according to user's hobby.Information presents treatment circuit 31 and carries out unified tissue according to the data of being responsible for a plurality of information sources (comprising video input, the input of video telephone and the input of voice etc.), and the result after will handling is sent to display circuit 32, display circuit 32 is responsible for the shows signal of sending here is carried out conversion process, vision signal is presented on the display 34 the most at last, and audio signal outputs to loud speaker 35 or power amplifier by audio output circuit 33.Wherein, information presents treatment circuit 31 by the programming device realization, and display circuit 32 is general TV display circuit, for simulated television field circuit will be arranged, and for digital circuit dot matrix display circuit or the like is arranged.
A kind of configuration of this device is to have increased camera and telephone microphone in the television set outside, and wherein camera can be built-in, also can be external, built-inly be connected to interface circuit by internal data line; As if external, then can receive the signal access module of device by USB or other standard interfaces; The form of telephone set can be wired, also can be wireless.
Service logic is used and to be presented module 40 and comprise the control signal receiving circuit 41 that receives the control command that cordless telephone for example sends, central logic controller 42, plain old telephone processing module 43, video telephony applications module 44, TV programme application module 45 and other application module 46.
The operation flow of these device all functions realizes all using to present in the module 40 in service logic carrying out.This module realizes (being central logic controller 42) by universal cpu+embedded OS, loading application programs (plain old telephone processing module 43 thereon, video telephony applications module 44, TV programme application module 45 and other application module 46), instruction according to user's input, operate accordingly according to predefined programmed logic, control other each several part circuit and carry out work.Control signal receiving circuit 41 is responsible for receiving user's for example infrared remote information, forms visible Fig. 5 in detail.
Fig. 2 is based on the outside drawing of the cordless telephone of the embodiment of the invention.
As shown in Figure 2, provide 4 directionkeys on the top of cordless telephone, left-right key is used to regulate volume, and upper and lower key is used for channel and switches.As shown in Figure 2, also increase by 3 hot keys, one is used for the TV switch, and one is used for mode switch, and another is used to enter menu mode.
The cordless telephone of integrated distant control function comprises two parts, the one, and mobile phone part 100, another is the base part 200 that integrates with device 1 of the present invention.Mobile phone part is mainly finished two big functions, and the one, user's press key message behind the command coding circuit code, is sent to device 1 by infrared launcher, install 41 pairs of these signals of control signal receiving circuit of 1 and receive; The 2nd, when the user carries out voice communication, user's voice is carried out sound/electricity conversion and transmission/reception, the key information that these information flows and user call is all finished by the wireless transmission/reception circuit.
Cordless fixed part part 200 integrates with device 1, and matching with mobile phone part 100 is finished the wireless transmission and the reception of signal, finishes functions such as ring forwarding simultaneously, integrates with device 1, carries out the transmission/reception of information with other circuit.
Fig. 3 is based on the structure chart of integration section of the cordless telephone of the embodiment of the invention.
As shown in Figure 3, cordless telephone integration section 100 comprises duplexer 101, infrared emission circuit 102, radio transmitter 102, wireless receiving circuit 104, ringer 105, logic control drive circuit 106, modulation circuit 107, demodulator circuit 108, command coding circuit 109, front end circuit 110, acoustic-electric change-over circuit 111, keypad 112, transmitter 113 and receiver 114.The user is by keypad 112 input of control commands, 109 pairs of control commands of command coding circuit are encoded, the control command of coding sends to service logic from infrared emission circuit 102 and uses the control signal receiving circuit 41 that presents module 40 through the driving of logic control drive circuit 106.The other parts and the operating principle thereof of mobile phone part are well known by persons skilled in the art, and the descriptions thereof are omitted at this.
Fig. 4 is based on the base structure chart partly of the cordless telephone of the embodiment of the invention.
As shown in Figure 4, base part 200 comprises receiver 201, ringer 202, and ring transmits 203, receiving circuit 204, interface circuit 205, radiating portion 206, duplexer 207, receiving unit 208, power unit 209, keypad 210, pulse transmits 211, transtation mission circuit 212 and transmitter 213.These parts and operating principle thereof are well known by persons skilled in the art, and the descriptions thereof are omitted at this.
Fig. 5 is based on the schematic diagram of the control signal receiving circuit of the embodiment of the invention.
As shown in Figure 5, control signal receiving circuit 41 comprises the infrared detector 41-1 that receives user control signal, receive the receiving circuit 41-2 of infrared detection signal, the amplifying circuit 41-3 of amplification detection signal, the demodulator circuit 41-4 of demodulation detection signal, the instruction decoding circuit 41-5 that restituted signal is deciphered and drive the drive circuit 41-6 of each several part.
The course of work below in conjunction with description of drawings device of the present invention.
Can carry out TV watching by device of the present invention, plain old telephone, video telephone operation.Below be exemplary user's operating process:
Flow process one:
1) user's default mode is a television mode;
2) user watches in the process of TV and sending a telegram here, and incoming call can be the tinkle of bells or picture prompting;
3) for black phone, the user answers, and does not influence TV programme and plays;
4), when the user converses, can select full screen display, show and do not show, and TV transfers to quietly automatically behind the incoming call answering, if the user needs, can television sound volume be opened again with the TV programme split screen for the other side's image that sends for video telephone;
5) behind the talk-through, on-hook recovers the full frame TV programme and shows, opens sound.
Flow process two:
1) user turns on TV, is defaulted as conventional television signal and shows;
2) user picks up phone, is defaulted as to dial plain old telephone, and TV programme is not had influence;
3) user dials video telephone, at first selects to enter videophone mode, and the user dials the number that cries and can carry out full frame or split screen shows at television image, also can select full frame, split screen after the connection and does not show;
4) in videophone mode, TV is made as quiet automatically;
5) behind the end of conversation, TV returns to the preceding state of conversation.
The major function realization flow of this device is described respectively below, is respectively the general function realization flow, the TV realization flow under the video input, and the video call realization flow, plain old telephone call function flow process and cordless telephone are controlled realization flow.
The general function realization flow
This apparatus system default conditions are the pattern of televising, under this pattern, video/audio signal is imported by the CATV/AV interface circuit, at signal pre-processing circuit and signal amplification circuit signal is carried out rectification, filtering and amplification, be sent to modulation-demodulation circuit then, modulation-demodulation circuit carries out demodulation process to signal, extracts baseband signal, be sent to display circuit then, realize screen display and voice output.
The default conditions of cordless telephone are the remote controller state, and at this moment the infrared interface sending module of mobile phone part is opened, and wireless sending module is closed, and wireless receiving module is opened.User's button operation will be sent to the infrared coding instruction module, send to videophone apparatus via logic control drive circuit and infrared emission circuit and send instruction.
Press the mode switching key of cordless telephone, switch to PSTN voice call pattern, under this pattern, the mobile phone part infrared interface sending module function of cordless telephone is closed, and wireless transmission/receiver module is opened.User's push-button dialing information and voice signal are encoded in cordless portable part inside and the acoustic-electric conversion, after modulating, send to the integrated cordless fixed part part of videophone apparatus again by the wireless sending module of cordless portable part, after by the base part signal being carried out demodulation then, undertaken being sent to the RJ11 interface circuit by internal data line again after the encoding process by the encoding and decoding speech module, and then this signal is sent to communication network; For calling, voice signal is at first handled by the RJ11 interface circuit, and be sent to the Telephone set part behind the process tone decoding, Telephone set is modulated the back to signal and is sent to the cordless portable part part by radio interface module, cordless portable part carries out demodulation to the signal that receives, if what transmission came is that bell signal then triggers ring, be that voice signal then carries out the electroacoustic conversion as if what send, deliver to receiver.
Press the mode switching key of cordless telephone, switch to videophone mode, under this pattern, the infrared interface and the wireless transmission/receiver module of cordless portable part part are all opened, and control the opening/closing camera function by the user.Under videophone mode, user's voice and plain old telephone tupe are similar, in the cordless portable part part user speech is carried out acoustic-electric conversion and the transmission of modulation back, the cordless fixed part part carries out delivering to the speech coding processing of circuit after the demodulation to the received signal, for vision signal, by camera collection raw information, after interface circuit and pre-process circuit processing, being sent to video coding circuit handles, video coding circuit, speech coding circuit and synchronous circuit to signal encode and Synchronous Processing after, after modulation, be sent to the RJ45 interface circuit and be sent to network; Signal for the opposite end transmission, after the RJ45 interface circuit receives, delivering to video decode, audio decoder and synchronization control circuit after the modulation-demodulation circuit demodulation handles, to be sent to display circuit after the vision signal reduction, output on the screen, voice signal is sent to cordless fixed part and partly is sent to mobile phone and partly allows the user receive.
Except that user's active operation was carried out mode switch, system's external event also can change mode of operation.When the user watches TV, when plain old telephone is sent a telegram here, open television mode and plain old telephone call mode simultaneously, in the time of user's incoming call answering, TV is made as quiet automatically, at this moment device will be handled tv input signal and voice call signal simultaneously, and the processing of two information flows is independent fully.
When the user watches TV, when the video call incoming call is arranged, when user's incoming call answering, can send an operational order to device, transfer videophone mode to, and the acquiescence TV carries out split screen and shows, play opposite end image and TV programme simultaneously, the signal that device is handled has the network signal of tv input signal, the reception of RJ45 interface, the image information and the user's voice input of camera input.Tv input signal is sent to display circuit through interface circuit, modulation-demodulation circuit after handling, the video telephone image and the voice signal of opposite end are all received by the RJ45 interface, after interface circuit, modulation and data encapsulation are resolved, deliver to video respectively, audio decoding circuit is handled, picture signal is sent to display circuit, application presents the system control information (comprising the positional information of screen size, split screen etc.) that module is sent according to service logic, presents treatment circuit by information TV signal and opposite end picture signal are shown on the screen of this device jointly; For audio signal, the mode treatment mode is the same with working independently.What need proposition is that because under this kind operative scenario, the video/audio codec chip need be handled a large amount of information, the scheduling of multitask is finished by the service logic application program module.
TV realization flow (CATV, AV) under the video input
Fig. 6 is based on the flow chart of the TV functions under the realization video input of the embodiment of the invention.As shown in Figure 6, at step S1, the input of CATV/AV interface module received television signal.At step S2, determine whether to be television mode, if not, then change other handling process over to, otherwise advance to step S3, carry out signal processing, wherein signal is carried out preliminary treatment, demodulation is also isolated baseband signal.Then carry out video/audio signal at step S4 and handle, generation presents signal.At step S5, determine whether to handle simultaneously other business.If then carry out correspondent service logic and handle, if other application is wherein arranged simultaneously at step S6, then unify to handle with the video/audio signal of other application, carry out screen and cut apart, the mode of audio mixing or dispensing different phonetic channel then advances to step S7.If not, then carry out video demonstration and audio frequency output processing, thereby while execution in step S8 and S9 are to carry out the output of screen display and audio amplifier at step S7.
The video call realization flow
Fig. 7 and 8 is based on the flow chart of the realization video telephone function of the embodiment of the invention.
As shown in Figure 7, at step S10, carry out the input of telephone set and camera signals.At step S11, determine whether to open videophone mode, if do not have, then change other handling process over to, otherwise advance to step S12 to carry out signal processing, wherein carry out Signal Pretreatment (filtering, rectification), sampling and quantification.Then carry out video/audio signal and handle, wherein carry out compressed encoding (H.263, G.711 waiting) looking tone signal at step S13.Then carry out network data processing, for example data encapsulation etc. (realizing) by data encapsulation/parser circuitry at step S14.Then send to network by the RJ45 interface, send to network by the RJ11 interface perhaps in the processing of step S16, and at step S17 through ADSL Modem at step S15.
As shown in Figure 8, receive data by the RJ45 interface, perhaps receive data by the RJ11 interface at step S21 at step S20, and in the demodulation of step S22 through ADSL Modem.At step S23, determine whether to open videophone mode, if do not have, then change other handling process over to, otherwise advance to step S24, carry out network data processing, untie IP grouping bag, restore data-signal.Then carry out video/audio signal at step S25 and handle (decoding), generation presents signal.At step S26, determine whether to handle simultaneously other business.If then carry out correspondent service logic and handle, if other application is wherein arranged simultaneously at step S27, then unify to handle with the video/audio signal of other application, carry out screen and cut apart, the mode of audio mixing or dispensing different phonetic channel then advances to step S28.If not, then carry out video demonstration and audio frequency output processing, thereby while execution in step S29 and S30 are to carry out the output of screen display and audio amplifier at step S28.
Plain old telephone call function flow process
The realization of plain old telephone call function is identical with other pstn telephones, and the user converses by the cordless telephone handle, by wireless reception signal is sent to the RJ11 interface circuit of signal access module, is being sent to telephone network; The conversation of opposite end is delivered to the cordless telephone handle by RJ11 interface circuit, wireless receiving/sending module with signal.
Cordless telephone is controlled realization flow
Fig. 9 is based on the flow chart that cordless telephone carries out remote control that passes through of present embodiment embodiment.
As shown in Figure 9, at step S40, user's input control order.At step S41, check and whether open the video telephone function function.If open, then enter step S43 and carry out the video telephone function operation, wherein use infrared and wireless transmission simultaneously.Infrared transmission is used to transmit control signal, as switch, and mode switch and the operation that enters into menu.Wireless transmission is used to transmit voice and dial key information.If do not open, then carry out TV remote pattern operation at step S42, wherein all carry out remote control by infrared.
Claims (24)
1. videophone apparatus comprises:
Signal access module is used to receive and dispatch TV signal and visual signal; Described signal access module comprises: interface unit and signal pre-processing circuit; Wherein, interface unit is connected to TV signal transmission medium and visual signal transmission medium, with transmitting-receiving physics TV signal and visual signal; Signal pre-processing circuit is used for the input signal that described interface unit receives is carried out rectification, filtering and amplification;
Signal processing module is used to handle described TV signal and visual signal; Wherein said signal processing module comprises: signal processing control circuit, and modulation-demodulation circuit, the coding and decoding video circuit, synchronization control circuit, audio coding decoding circuit and data encapsulation/parser circuitry,
Wherein signal processing control circuit is responsible for other circuit in the signal processing module are controlled, control signal comprises contactor signal and encoding and decoding control signal, the contactor signal is used for the different modulating demodulator circuit unit according to the different choice modulation-demodulation circuit of input signal, the encoding and decoding control signal chooses different code decode algorithms according to user instruction and code check is operated
Modulation-demodulation circuit is responsible for the modulation and demodulation of signal, for output signal, is that baseband signal is modulated to high frequency carrier, for input signal, is that baseband signal demodulation from the high frequency carrier is come out,
Data encapsulation/parser circuitry is finished the bi-directional conversion of data-baseband signal, and finishes the IP data are encapsulated and resolve, and result is sent to coding and decoding video circuit, synchronization control circuit and audio coding decoding circuit,
Coding and decoding video circuit, audio coding decoding circuit and synchronization control circuit are responsible for respectively the video/audio signal is carried out encoding and decoding processing and video/audio Synchronous Processing,
When working in videophone mode, modulation-demodulation circuit will be modulated on the carrier wave from the baseband signal of the video telephone data of data encapsulation/parser circuitry, be sent to signal amplification circuit in the signal access module again to send by interface unit, visual signal for input, signal pre-processing circuit carries out filtering to it, rectification and signal processing and amplifying, the modulation-demodulation circuit of delivering to signal processing module again carries out demodulation, obtain baseband signal, being sent to data encapsulation/parser circuitry again handles, the coding and decoding video circuit, synchronization control circuit and audio coding decoding circuit and data encapsulation/parser circuitry are carried out alternately, for output signal, delivering to data encapsulation/parser circuitry behind video encoding encapsulates, through after the data parsing, pass through the decoding of coding and decoding video circuit and audio coding decoding circuit for input signal again;
Information presents module, is used for corresponding video display apparatus and the audio output apparatus of outputing to visual signal of treated described TV signal; And
The service logic application program module is used to receive the control command of outside input, and carrying out corresponding handling process, and present module by described signal access module, signal processing module and information and finish described TV and video telephone function,
Wherein can one of television operations pattern and video telephone mode of operation be set, and described service logic application program module, signal access module, signal processing module and information present, and module can be carried out and one of set television operations pattern and video telephone mode of operation are handled accordingly by described control command.
2. videophone apparatus according to claim 1 also comprises:
Plain old telephone equipment, it comprises the device that is used to receive the user control command input and sends described control command.
3. videophone apparatus according to claim 1 and 2, wherein said signal access module also comprises:
Signal amplification circuit is used for the output signal that described interface unit will send is amplified; And
The access control circuit is used for controlling described interface unit, signal pre-processing circuit and signal amplification circuit according to the mode of operation gating and carries out the selectivity signal processing.
4. videophone apparatus according to claim 3, wherein said access control circuit supposition acquiescence mode of operation is television operations pattern or video telephone mode of operation.
5. videophone apparatus according to claim 3, wherein said interface unit comprises the TV signal interface.
6. videophone apparatus according to claim 5, wherein said TV signal interface comprises the radiated television signaling interface, CATV cable TV signal interface, AV signaling interface, other TV signal interface or its combination in any.
7. videophone apparatus according to claim 3, wherein said interface unit comprises the visual signal interface.
8. videophone apparatus according to claim 7, wherein said visual signal interface comprises the RJ45 network interface, other visual signal interface or its combination in any.
9. videophone apparatus according to claim 3, wherein said interface unit comprises telephone signal interface.
10. videophone apparatus according to claim 9, wherein said telephone signal interface comprises the RJ11 interface, other telephone signal interface or its combination in any.
11. videophone apparatus according to claim 3, wherein said interface unit comprises the video acquisition interface.
12. videophone apparatus according to claim 11, wherein said video acquisition interface comprises the interface of camera or external camera.
13. videophone apparatus according to claim 3, wherein said interface unit comprises the audio collection interface.
14. videophone apparatus according to claim 13, wherein said audio collection interface comprises the telephone receiver input interface.
15. videophone apparatus according to claim 3, wherein said interface unit is wired or wireless.
16. according to any one described videophone apparatus among the claim 5-15, wherein said signal pre-processing circuit comprises and the corresponding pre-process circuit of input interface type that is comprised.
17. according to any one described videophone apparatus among the claim 5-15, wherein said signal amplification circuit comprises and the corresponding amplifying circuit of output interface type that is comprised.
18. according to any one described videophone apparatus among the claim 5-15, wherein said access control circuit is controlled according to mode of operation signal docking port unit, with gating and the indicated required interface type corresponding interface of mode of operation of mode of operation signal, and signal pre-processing circuit and signal amplification circuit are controlled, to enable required corresponding pre-process circuit of interface type and the amplifying circuit of mode of operation indicated with the mode of operation signal.
19. videophone apparatus according to claim 1, described modulation-demodulation circuit comprise the different modulating demodulator circuit unit that is used to handle visual signal, TV signal and voice signal.
20. videophone apparatus according to claim 3, wherein said information present module and comprise that information presents treatment circuit, display circuit, audio output circuit, display and loud speaker,
Wherein information presents the control information about pattern, screen distributing position that treatment circuit selects according to the service logic application program module data of a plurality of information sources is carried out unified tissue, and the result after will handling is sent to display circuit,
Display circuit carries out conversion process with the shows signal of sending here, and vision signal is presented on the display the most at last,
Audio signal outputs to loud speaker by audio output circuit.
21. videophone apparatus according to claim 3, wherein said service logic application presents module and comprises the control signal receiving circuit that receives control command, central logic controller, plain old telephone processing module, video telephony applications module, TV programme application module and other application module.
22. a cordless telephone that is used to control videophone apparatus as claimed in claim 1 comprises:
Be used to regulate the device of the volume of videophone apparatus;
Be used to switch the device of the television channel of videophone apparatus;
The device that is used for the switch videophone apparatus;
Be used to switch the device of the mode of operation of videophone apparatus; And
The device that is used for actions menu.
23. cordless telephone according to claim 22, wherein said mode of operation comprise television operations pattern and video telephone mode of operation.
24. cordless telephone according to claim 22 also comprises:
The keypad that is used for input of control commands;
Be used for command coding circuit that control command is encoded;
Be used for the logic control drive circuit that drives of control command to coding; And
The infrared emission circuit that is used to transmit control signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2005100718785A CN1870743B (en) | 2005-05-26 | 2005-05-26 | Visual telephone device controlled and displayed by wireless telephone and TV. |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2005100718785A CN1870743B (en) | 2005-05-26 | 2005-05-26 | Visual telephone device controlled and displayed by wireless telephone and TV. |
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| CN1870743A CN1870743A (en) | 2006-11-29 |
| CN1870743B true CN1870743B (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2005100718785A Active CN1870743B (en) | 2005-05-26 | 2005-05-26 | Visual telephone device controlled and displayed by wireless telephone and TV. |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101394351B (en) * | 2008-09-28 | 2011-10-26 | 中兴通讯股份有限公司 | Method and device for controlling audio and video data stream based mobile network visual telephone |
| CN102376149B (en) * | 2010-08-11 | 2014-07-16 | 康佳集团股份有限公司 | Remote controller and video unit |
| CN102111650A (en) * | 2011-02-28 | 2011-06-29 | 中兴通讯股份有限公司 | Method and device for achieving mobile television functions on video fixed telephone |
| CN102185624A (en) * | 2011-04-26 | 2011-09-14 | 杭州神弓电子实业有限公司 | Radio signal transmitter-receiver |
| CN103458311B (en) * | 2013-08-30 | 2016-08-10 | 青岛海信传媒网络技术有限公司 | Intelligent television and the method realizing video calling thereof |
| CN104991784A (en) * | 2015-07-30 | 2015-10-21 | 惠州华阳通用电子有限公司 | Audio processing method and device of application program |
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| CN1870743A (en) | 2006-11-29 |
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