CN1166000A - Multi-media informations ervice system - Google Patents

Abstract

A multimedia information service system uses telephone network for signal transmission and TV set as the display of multimedia information, and is composed of computer information center and information query machine that consists of main controller board, TV interface, telephone line/modem interface, infrared remote controller and infrared receiver-amplifier. The communication server in the information center is connected via EI digital relay card to exchange office of telephone network. The multi-call MoDEM card of the communication server is connected via MVIP bus to E1 digital relay card. Its advantages include high capacity, high response speed and interactive query.

Description

Multi-media informations ervice system

The invention belongs to computing machine communication and field of information processing, relate to a kind of ordinary telephone line that utilizes as information transmission line with the multi-media informations ervice system of televisor as multimedia playing apparatus.

In the prior art, utilize telephone wire (or computer network) and terminal and clearinghouse computer can form multi-media informations ervice system, but the user generally feels one to be that the user terminal volume is big, cost is high, complicated operation, expense, the 2nd, " crowding " phenomenon can appear on the more computer-chronograph communication process of user, be not suitable for a large number of users and use simultaneously, be difficult to popularize and Project Realization; Resemble 168/968 and so on voice information services platform, can utilize telephone wire to provide voice information services, but can not realize information services such as literal, form, figure, image for a large number of users.

The objective of the invention is to disclose a kind of with ordinary telephone wiring carry out data transmission, with televisor as the multimedia messages playing device, can hold the multi-media informations ervice system that numerous users carry out interactive inquiry simultaneously.The present invention has that design is ingenious, integrated level is high, simple in structure, easy to implement, be convenient to advantage such as installation and maintenance, user terminal of the present invention has that volume is little, cost is low, simple to operate, power-saving, reliability advantages of higher, the present invention is convenient to popularize, and extensively is suitable for occasions such as family, hotel, station, office and uses.

Implementation of the present invention is: it is made up of clearinghouse computer, telephone network, the mechanical, electrical machine of looking of information inquiry.The information inquiry machine is made up of master control borad, televisor interface circuit, speech channel/modulation interface circuit, Infrared remote controller and infrared reception amplifying circuit, and master control borad is made up of central processing unit, memory under program, data memory and bus interface circuit; Speech channel/modulation interface circuit is become by speech path interface circuit, analogue signal processor and bank of digital signal processors.Clearinghouse computer is made up of service LAN (Local Area Network), database server, network management workstation and the communication server, and database server, network management workstation, the communication server all link to each other with the service LAN (Local Area Network); The communication server is made up of microcomputer, E1 digital junction card, multichannel MODEM card.It is characterized in that:

(1) the televisor interface circuit of information inquiry machine is made up of display controller, video coder, Display Register and the voice-grade channel that links to each other with analogue signal processor; The televisor interface circuit all links to each other with central processing unit by bus interface circuit with speech channel/modulation interface circuit; Infrared reception amplifying circuit links to each other with the I/O end of central processing unit; Contain numeral 0～9, upper and lower, left and right and affirmation button on the Infrared remote controller.

(2) communication server of clearinghouse computer links to each other with the tandem exchange of telephone network by the E1 digital trunk; Multichannel MODEM card is crossed multi-vendor integrated agreement MVIP (Multi-Vendor Integration Protocol) bus with E1 digital junction cartoon and is linked to each other.

Service local of the present invention preferably is connected with one on the net by making the making center that LAN (Local Area Network), making server, information integration workstation and material making workstation are formed, make server, information integration workstation, material make workstation all with make LAN (Local Area Network) and be connected, the making center is passed through the making server and is served LAN (Local Area Network) and be connected.Making server is made up of the microcomputer that large-scale database system is housed, is furnished with the magnanimity memory; Material is made workstation and the information integration workstation is formed by multimedia microcomputer.

The service local of clearinghouse computer preferably is connected with a charging workstation of being made up of microcomputer on the net among the present invention.

Preferably be connected with the dot matrix word library memory among the present invention on the master control borad of information inquiry machine, call when showing for character information.

The televisor interface circuit of information inquiry machine preferably is connected with radio-frequency modulator among the present invention, radio-frequency modulator links to each other with video coder, voice-grade channel, and it is modulated into radiofrequency signal to be suitable for those televisors that do not have AV terminal uses with composite video signal and sound signal.

Principle of work of the present invention is as follows:

The present invention forms user terminal by information inquiry machine and televisor.Open user terminal, select querying command by Infrared remote controller, and pass to the communication server of clearinghouse computer by telephone network, after the communication server receives user's order, give master menu of user according to user's order and send user terminal to for user's selection or direct accessing database server taking-up user appointed information, and prepare reception user's Next Command, send disconnect command until the user and finish query script.

Detailed operation principle of the present invention is as follows:

When using the information inquiry machine, the televisor interface circuit links to each other with televisor, and speech channel/modulation interface circuit links to each other with telephone set with telephone wire.In the time of need carrying out information inquiry, turn on televisor and information inquiry machine, working procedure was sent to the televisor interface circuit by bus interface circuit and is shown the basic operation reminder-data after central processing unit resetted on the master control borad, on televisor, show the fixing operation prompting this moment, the user uses Infrared remote controller to carry out selection operation or direct input information enquiry number, infrared reception amplifying circuit receives the instruction that the Infrared remote controller emission comes, it is become the I/O end that serial digital signal is delivered to central processing unit, and this order back of the interpretation of programs in the central processing unit executive routine memory forms digital query message and deposits in the data memory.Central processing unit is by bus interface circuit access number word signal processor, digital signal processor is controlled analogue signal processor and speech path interface circuit again and is connected telephone line (disconnecting being connected of telephone line and telephone set this moment) and send accordingly and dial the number, after treating to set up communication link with clearinghouse computer, central processing unit is given digital signal processor the message that is stored in the data memory by bus interface circuit, undertaken giving analogue signal processor after the signal Processing by digital signal processor, the signal that is adapted at transmitting on the telephone line by analogue signal processor output is to the speech path interface circuit again, and the speech path interface circuit is coupled to this modulated signal that makes on the telephone wire and sends to clearinghouse computer.

Then, clearinghouse computer weaves message block by agreement according to the user inquiring order that receives, and the modulation-demodulation device by a correspondence returns to the information inquiry machine through telephone network, and the process that the information inquiry machine receives information is:

At first, digital signal processor is handled according to the information by the reception of speech path interface circuit after handling through analogue signal processor, send services request by bus interface circuit to central processing unit then, central processing unit responds this request and by bus interface circuit the information of receiving is taken out from digital signal processor, leaves in the data memory.The information that central processing unit receives by the interpretation of programs in the executive routine memory.If image information, the central processing unit working procedure carries out data of image information to deliver to the televisor interface circuit by bus interface circuit after the format conversion; If voice messaging is then delivered to the voice channel of televisor interface circuit by the analogue signal processor in speech channel/modulation interface circuit; If Word message then takes out corresponding dot matrix video data in the dot matrix word library memory, want data presented to give display controller by the bus interface circuit handle, display controller then deposits the dot matrix video data that receives in Display Register, display controller constantly takes out data and converts composite synchronizing signal to according to the display requirement of television scanning from Display Register simultaneously, colour signal and colour subcarrier signal, give televisor by the synthetic corresponding composite video signal of video coder then, the sound signal in the televisor interface circuit directly comes from analogue signal processor.Radio-frequency modulator then is composite video signal and sound signal to be modulated into radiofrequency signal do not have the televisor of AV terminal to use for those.

After having inquired about, Infrared remote controller is sent and is discharged the telephone line instruction, speech path interface circuit control this moment telephone set links to each other with telephone line, because the data memory of information inquiry machine has been deposited the information that has inquired, the user still can read it repeatedly by Infrared remote controller.

The principle of work of the communication server is: E1 digital junction card in the communication server and multichannel MODEM card insert in the isa bus slot of microcomputer in the communication server, E1 digital junction cartoon is crossed the E1 digital trunk and is linked to each other with tandem exchange in the telephone network, and multichannel MODEM cartoon is crossed multi-vendor integrated agreement MVIP bus and linked to each other with E1 digital junction card.The signaling that E1 digital junction card is responsible for digital trunk cooperates, the calling number record, work such as condition monitoring and speech channel continue, it exchanges to the signal of 30 digital speech paths on the E1 digital trunk in the related time-slot of MVIP data stream of software arrangements by the MVIP Switching Module, and pass to multichannel MODEM card by the MVIP bus, the independent MODEM passage in each road obtains corresponding telephone path signal thus in the multichannel MODEM card, and according to the data signal modulation demodulation process that realizes corresponding speech channel from the program command of microcomputer isa bus, speech channel/modulation interface circuit in speech channel other end information inquiry machine is finished the data transmission between the communication server and the user terminal, and the data of its I/O are carried out via the application program of microcomputer in multichannel MODEM card driver and the data buffering formation and the communication server alternately.Application program receives the inquiry request command of user terminal, query requests according to the user is inquired about the multimedia messagess such as literal, form, figure, image and sound that are stored in the database server by the service LAN (Local Area Network), Query Result is pressed voice/data type piecemeal packing passback to be given user terminal, and writes down the relevant data of each user inquiring operating process so that the usefulness of charging.Because the telephone traffic of E1 digital trunk load is 3～4 times of general user's line, such E1 digital trunk promptly is equivalent to 90～120 tunnel common subscribers feeders, can be embodied as numerous user terminals and serve simultaneously; In addition, owing to direct tandem exchange from telephone network concentrates the call request that inserts clearinghouse computer with digital form, reduced telephone network exchange link and digital-to-analog conversion, thereby improved the reliability of system, helped Project Realization simultaneously and reduce investment outlay.Because multichannel MODEM card adopts technology such as integrated, advanced digital signal processing of high density and open system industrial standard, thereby the reliability and the validity of communication service have further been guaranteed.

The microcomputer that database server is equipped with large-scale database system by one or more and is furnished with the magnanimity memory is formed, and network management workstation is made up of a microcomputer.Database server is pressed the programmed various multimedia messagess of message catalog structure storage, inquires about by the communication server and service LAN (Local Area Network) for user terminal.

The principle of work of charging workstation is the type of the user inquiring information that provides according to the communication server, serviced time and user's feature, according to the Freight Basis of system, each user's expense is carried out statistical summaries again.

The principle of work at making center is that the information that will collect is made coding, making and the format conversion that workstation is finished basic material information such as text, form, figure, image, sound by material, and deposit in the making server, the information integration workstation will be stored in the material information classification of having made in the making server by the making LAN (Local Area Network) and be integrated in the message catalog structure, and by making LAN (Local Area Network) that interconnects and the data of serving in the LAN (Local Area Network) renewal database server.

Below with reference to accompanying drawing the present invention is further described.

Fig. 1 is a structural principle block diagram of the present invention.

Fig. 2 is the structural principle block diagram of information inquiry machine of the present invention.

Fig. 3 is the schematic diagram of speech path interface circuit of the present invention.

Fig. 4 is the workflow diagram of information inquiry machine of the present invention.

Fig. 5 is the structural principle block diagram of the communication server of the present invention.

Fig. 6 is the workflow diagram of the communication server of the present invention.

Fig. 7 is the workflow diagram that the present invention makes the center.

Referring to Fig. 1, information inquiry machine 21 links to each other with televisor 20, telephone set 23, telephone line 22, information inquiry machine 21 and televisor 20 constitute the user terminal 3 of an inquiry multimedia messages, this user terminal 3 links to each other with clearinghouse computer 1 by telephone network 2, constitutes a complete multi-media informations ervice system thus.

Referring to Fig. 2, central processing unit 32 is to adopt Dutch Philips 16 single-chip microcomputer 80C51XA of company on the master control borad 27 of information inquiry machine 21, memory under program 33 is 27256, data memory 34 is a static random memory 62256, dot matrix word library memory 35 is 27020, it comprises the content of GB secondary character library, and it is main formation that bus interface circuit 36 adopts programming device 6AL22V10.

Because the directly address space of 80C51XA is the 1M byte, thus simply decipher through bus interface circuit 36, central processing unit 32 can be in memory under program 33 reading command and preset parameter; Any at random reading and writing data in data memory 34; In dot matrix word library memory 35, read corresponding character pattern data according to GB; Simultaneously, through bus interface circuit 36 visit televisor interface circuits 31, speech channel/modulation interface circuit 30.

Display controller 38 adopts the supporting industry standard VGA GD5425 chip of the U.S. CirrusLogic company of exportable TV composite synchronizing signal, colour signal and colour subcarrier signal simultaneously in the televisor interface circuit 31, video coder 46 adopts the AD722 of U.S. AnalogDevices company, and Display Register 37 adopts the dynamic ram of 512K (can expand to 1M) byte.Radio-frequency modulator 39 adopts the MC1374 of U.S. Motoro1a company.So far, the demonstration output of televisor interface circuit 31 will be according to PAL or NTSC standard output composite video signal and radiofrequency signal, and televisor interface circuit 31 will be in accordance with the VGA standard at inner interface with master control borad 27, port address when comprising master control borad 27 visit televisor interface circuits 31, the layout of internal function register is all in accordance with the requirement among the industrial standard VGA.

Digital signal processor 40 adopts the band microprocessor of U.S. CirrusLogic company and the combined chip MD4014 of self control program in speech channel/modulation interface circuit 30; Correspondingly analogue signal processor 41 adopts and the matching used chip MD1724 of MD4014.The sound signal of analogue signal processor 41 outputs is delivered to the voice-grade channel 45 of televisor interface circuit 31.

The standard package that infrared reception amplifying circuit 26 adopts Taiwan EVERLIGHT (hundred million light) electronics corporation to produce.

Infrared remote controller 25 adopts a commercialization standard package, and it serves as main formation with remote control coding and emission control chip M50462AP, and the scanning button is no less than 15.

Referring to Fig. 3, Fig. 2, telephone interface 43 is used to the machine of answering the call 23, telephone line interface 44 circuit 22 that is used to answer the call.Being connected between relay J in the speech path interface circuit 42 control telephone line 22 and telephone set 23, telephone line 22 and the analogue signal processor 41, if then relay J adhesive when be effectively (for low level) from the control command output terminal OHREL of digital signal processor 40, the signal of telephone line 22 reaches the two wires of being made up of C1, C2, R2～R9 by signal coupling transformer T and becomes that four spider lines form TX+, TX-, RX+, the RX-signal links to each other with the corresponding port of analogue signal processor 41.If OHREL is invalid (for high level) or information inquiry machine 21 when not powering up, not adhesive of relay J, then telephone line 22 links to each other with telephone set 23, signal coupling transformer T and telephone line disconnection.

Referring to Fig. 4, Fig. 2, after information inquiry machine 21 powers up, on television screen, show the basic operation prompting, the dialing command information control speech path interface circuit 42 generation dialing and clearinghouse computer communication line that central processing unit 32 sends by receiving Infrared remote controller 25, master control borad 27 is by speech channel/modulation interface circuit 30 receiving computer information center main menu information and deliver to televisor interface circuit 31, on television screen, show main menu information, master control borad 27 obtains the operational order that Infrared remote controller 25 is sent by infrared reception amplifying circuit 26, the realization master menu is selected, by speech channel/modulation interface circuit 30 select command is sent to clearinghouse computer, and obtain selected information from clearinghouse computer, be reproduced on the television screen by televisor interface circuit 31 again; According to same operation, realize the submenu selection, until obtaining final required Query Information; Be operation equally, realize that on televisor the information roll screen shows by Infrared remote controller 25; When initiatively termination information of user shows, be back to the master menu show state.

The information of obtaining from clearinghouse computer, be stored in data memory 34, therefore the information inquiry machine is after disconnecting telephone line, still can continue to browse the information of having found, when the user need inquire about new information, the user connects telephone line once more by the operation of Infrared remote controller 25, continues inquiry to clearinghouse computer.

When the message segment on being reproduced in television screen contains speech play, master control borad 27 is connected telephone line backcasting machine information center by speech channel/modulation interface circuit 30 and is sent the speech play request instruction, and then control speech path interface circuit 42 and switch to speech pattern, the voice messaging that clearinghouse computer is sended over is delivered to the voice-grade channel 45 of televisor interface circuit 31 by analogue signal processor 41, is broadcasted by televisor then.

Referring to Fig. 5, Fig. 1, microcomputer 15 in the communication server 7 adopts 486DX4/100, internal memory 16M, hard disk 540M, operation Windows NT is as software platform, E1 digital junction card 18 adopts the RTNI-E1 relaying card of U.S. Rhetorex company, and multichannel MODEM card 19 adopts two 16 road CTI-MODEM cards of U.S. Ariel company, and E1 digital junction card 18 and multichannel MODEM card 19 are plugged in the isa bus slot 16 of microcomputer 15.

E1 digital junction card 18 in the communication server 7 links to each other with the tandem exchange of telephone network 2 by E1 digital trunk 10, multichannel MODEM card 19 links to each other with E1 digital junction card by multi-vendor integrated agreement MVIP bus 17, and microcomputer 15 links to each other with the service LAN (Local Area Network) 5 of clearinghouse computer 1 by cable 24.E1 digital junction card 18 passes to multichannel MODEM card 19 with the signal of 30 digital speech paths in the E1 digital trunk 10 by MVIP bus 17, each independent MODEM passage obtains corresponding telephone path signal thus in the multichannel MODEM card 19, and dialogue circuit-switched data signal carries out the modulation processing, finish the data communication between the communication server 7 and the user terminal 3, thereby realize the transmission of multimedia messages.

Referring to Fig. 6, the workflow of the communication server 7 is: the application program on the communication server 7 is at first carried out initial configuration, monitor the caller off hook state of each speech channel on the E1 digital trunk 10 then, explanation has user terminal 3 to call out clearinghouse computer 1 when detecting the speech channel of off-hook, the communication server 7 is looked into the calling number of getting this user, adopt the signaling fit systems to realize that the off-hook of this speech channel replys by E1 digital junction card 18, finish physical connection between the communication server 7 and the user terminal 3 by telephone network 2, afterwards speech channel/automatic the Handshake Protocol of modulation interface circuit 30 realizations of corresponding independent MODEM passage and user terminal 3 in the multichannel MODEM card 19; After setting up data link, at first the report of user sign is so that the communication server 7 is confirmed calling partys' serviceability by user terminal 3, and application program is passed to the master menu of information service user terminal 3 and waited for next step query requests of user through data link; After the communication server 7 is received the further query requests of user terminal 3 selections, analyze command context and be stored in the multimedia messages of database server 4, and return Query Result with inquiry; So move in circles, the communication server 7 is finished the real-time response to user terminal 3 query service request, up to detect that user terminal 3 users take out stitches or 7 pairs of disabled user's denials of service of the communication server and initiatively taking out stitches in advance, the independent MODEM passage of correspondence in the multichannel that the resets MODEM card 19, by the physical link that E1 digital junction card 18 usefulness signaling fit systems notice telephone network 2 cuts off between the user terminal 3 and the communication server 7, discharge traffic resource to prepare the call request of other user terminal 3 of response.

Referring to Fig. 1, database server 4 is two Compaq Proliant 4500,64M internal memory, 8G hard disk, and the Sybase large-scale database system is installed; The network operating system of service LAN (Local Area Network) 5 is that Windows NT, procotol are TCP/IP, and network management workstation 8 is 486DX4/100, and charging workstation 9 is 486DX4/100.Making server 12 in the making center 6 is Acer Altos 9000,32M internal memory, 4GB hard disk, Watcom SQL is housed, the network operating system of making LAN (Local Area Network) 11 is that Windows NT, procotol are TCP/IP, it is two 486DX4/100 that are furnished with sound blaster, Video Adapter and audio amplifier, scanner that material is made workstation1 3, and information integration workstation1 4 is for being furnished with the 486DX4/100 of sound blaster.

Referring to Fig. 7, Fig. 1, the workflow at making center 6 is: after raw information is ready to, make collection of generation, the sound of point sampling, table-layout according to pixels of scanning that workstation1 3 finishes the typing of literal, image and format conversion, figure and editor etc. by material, the material information of making is saved in the making server 12; The material information that information integration workstation1 4 will be made in the server 12 is classified, and is integrated in the message catalog structure, and the message catalog structure also is saved in makes in the server 12; After information integration was finished, information and the bibliographic structure that will make in real time or termly in the server 12 were updated in the database server 4 with service LAN (Local Area Network) 5 by the making LAN (Local Area Network) 11 that interconnects.The communication server 7 takes out corresponding information loopback according to user's query requests and gives user terminal 3 from database server 4.

Claims (5)

1, a kind of multi-media informations ervice system, form by clearinghouse computer 1, telephone network 2, information inquiry machine 21, televisor 20, information inquiry machine 21 is made up of master control borad 27, televisor interface circuit 31, speech channel/modulation interface circuit 30, Infrared remote controller 25 and infrared reception amplifying circuit 26, master control borad 27 is made up of central processing unit 32, memory under program 33, data memory 34 and bus interface circuit 36, and speech channel/modulation interface circuit 30 is made up of speech path interface circuit 42, analogue signal processor 41 and digital signal processor 40; Clearinghouse computer 1 is made up of service LAN (Local Area Network) 5, database server 4, network management workstation 8 and the communication server 7, database server 4, network management workstation 8, the communication server 7 all link to each other with service LAN (Local Area Network) 5, and the communication server 7 is made up of microcomputer 15, E1 digital junction card 18, multichannel MODEM card 19; It is characterized in that:

The televisor interface circuit 31 of a, information inquiry machine 21 is made up of display controller 38, video coder 46, Display Register 37 and the voice-grade channel 45 that links to each other with analogue signal processor 41; Televisor interface circuit 31 all links to each other with central processing unit 32 by bus interface circuit 36 with speech channel/modulation interface circuit 30; Infrared reception amplifying circuit 26 links to each other with the I/O end of central processing unit 32; Contain numeral 0～9, upper and lower, left and right and affirmation button on the Infrared remote controller 25;

The communication server 7 of b, clearinghouse computer 1 links to each other with the tandem exchange of telephone network 2 by E1 digital trunk 10; Multichannel MODEM card 19 links to each other by multi-vendor integrated agreement MVIP (Multi-Vendor Integration Protocol) bus 17 with E1 digital junction card 18.

2, multi-media informations ervice system according to claim 1, it is characterized in that being connected with on the service LAN (Local Area Network) 5 of clearinghouse computer 1 one by making LAN (Local Area Network) 11, make server 12, information integration workstation1 4 and material and make the making center 6 that workstation1 3 is formed, making center 6 is by making server 12 and serving LAN (Local Area Network) 5 and be connected.

3, multi-media informations ervice system according to claim 1 and 2 is characterized in that being connected with a charging workstation 9 of being made up of microcomputer on the service LAN (Local Area Network) 5 of clearinghouse computer 1.

4, multi-media informations ervice system according to claim 1 is characterized in that being connected with dot matrix word library memory 35 on the master control borad of information inquiry machine 21.

5, according to claim 1 or 4 described multi-media informations ervice systems, it is characterized in that the televisor interface circuit 31 of information inquiry machine 1 is connected with radio-frequency modulator 39, radio-frequency modulator 39 links to each other with video coder 46, voice-grade channel 45.

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