CN101316177B - Computer and television function integrated IP video telephone - Google Patents

Computer and television function integrated IP video telephone Download PDF

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Publication number
CN101316177B
CN101316177B CN2007100746322A CN200710074632A CN101316177B CN 101316177 B CN101316177 B CN 101316177B CN 2007100746322 A CN2007100746322 A CN 2007100746322A CN 200710074632 A CN200710074632 A CN 200710074632A CN 101316177 B CN101316177 B CN 101316177B
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China
Prior art keywords
circuit
voip
video telephone
unit
power supply
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Expired - Fee Related
Application number
CN2007100746322A
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Chinese (zh)
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CN101316177A (en
Inventor
刘少兵
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Konka Group Co Ltd
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Konka Group Co Ltd
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Priority to CN2007100746322A priority Critical patent/CN101316177B/en
Publication of CN101316177A publication Critical patent/CN101316177A/en
Application granted granted Critical
Publication of CN101316177B publication Critical patent/CN101316177B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses an IP videophone which integrates the functions of a computer and a television and includes a power supply, an Ethernet; a computer functional circuit which can realize the computer function and is connected with the output end of the power supply and is additionally connected with the Internet through the Ethernet; a high-definition television functional circuit which can realize the high-definition colorful TV function and is connected with the output end of the power supply and the computer functional circuit; a VOIP functional circuit which can realize the IP videophone and is connected with the computer functional circuit and the Ethernet, and can acquire video data for the videophone from the computer functional circuit. The IP videophone provided by the invention can effectively reduce the occupation space and the cost and facilitate the use of the customer and can be widely applied.

Description

A kind of current collection brain and TV functions are in the IP of one video telephone
Technical field
The present invention relates to the IP video telephone, especially relate to a kind of current collection brain and TV functions in the IP of one video telephone.
Background technology
The electronic equipments such as present computer, phone, TV have become the important component part of modern people's life, work, study, amusement.How to utilize Modern High-Tech that they are effectively combined, and accomplish to form a connecting link, that is: can cover the standard-required of current techniques, again can the compatible in the future development of technical field, become the technical barrier that present urgent need is captured.
Visual telephone service is a kind of multimedia communication service that integrates video, voice, when the user carries out voice call, sees the other side's video image by the screen of terminal, simultaneously with oneself local image transmitting to the other side.Under the main trend of present network IPization, video telephone also occurs mainly with the form of IP video telephone.No matter be that the IP video telephone is comparative maturity all from technology or the angle of standard.
If the computer in the present family, TV can be integrated in the IP video telephone, so, effective minimizing occupies the space, reduces cost with playing, the purpose of convenient user's use, therefore, how to propose a kind of current collection brain and TV functions in the IP of one video telephone, become the subject matter that the application need to solve.
Summary of the invention
The object of the invention is to propose a kind of current collection brain and TV functions in the IP of one video telephone, the purpose of occupying the space, reducing cost, convenient user's use will play effective minimizing.
For addressing the above problem, the present invention discloses a kind of current collection brain and TV functions in the IP of one video telephone, comprising:
Power supply; Ethernet; Be used for realizing the computer function circuit of computer function, be connected with the output of power supply, and by the Ethernet connecting Internet; Be used for to realize the TV function of high definition circuit of high definition color TV function, be connected with output and the described computer function circuit of described power supply,, and with described computer function circuit sharing audio decoding circuit; Be used for realizing the VOIP functional circuit of IP video telephone, be connected with described computer function circuit and described Ethernet, and obtain the data video of visual telephone from described computer function circuit.
Wherein, described VOIP functional circuit comprises:
The VOIP process chip, the phonetic algorithm that is used for the IP video telephone is processed, and realizes that voice, fax, data automatically switch;
Subscriber line interface and audio frequency processing circuit are connected with the VOIP process chip, are used for the processing of subscriber line interface and audio frequency, framer circuit processing;
Control able to programme unit is connected with described computer function circuit by the pci data bus, is used for carrying out data communication and control, sequential collocation and program encryption and processes;
Data storage, be connected with the VOIP process chip, the configuration code and the program that are used for storage VOIP process chip, when system starts, by the control of the central processing unit in the described computer function circuit code in the described data storage and program are downloaded in the VOIP process chip by pci data bus and control able to programme unit.
Better, described VOIP functional circuit also comprises: the phone automatic switch unit is used for realizing the selection switching of voice call and visual telephone.
Better, described phone automatic switch unit comprises relay coil, its power end is connected with described power supply, only when described power supply no-output power supply, visual telephone is automatically switched to voice call.
Wherein, described computer function circuit comprises:
Central processing unit; Be connected with central processing unit, realize the north and south bridge and show demonstration and the control unit of controlling; Internal storage location, USB interface, audio decoding unit, clock generator all are connected with control unit with demonstration.
Wherein, described TV function of high definition circuit comprises the high definition color TV module, is connected with control unit and described audio decoding unit with described demonstration.
Compared with prior art, the present invention has following beneficial effect:
1, realized computer, high clear colorful TV are integrated in the IP video telephone, provided cost savings, dwindled volume, but also made more hommization of system, convenient for users to use.
2, IP video telephone of the present invention has compatible strong advantage, such as: the IP video telephone can transmit by the internet audio-visual; Independently IP video telephone is not in the market accomplished to move in the network of IPV6, both can move in the IPV6 network among the design, again can compatible IPV4 network, and also video/audio is synchronous; Image is broadcast all over the screen in high definition color TV, as video conference call, also can conveniently record haveing suffered meeting simultaneously, uses when playback; Also have simultaneously picture-in-picture, the functions such as screen cutting, the energy limit is beaten the visual telephone limit and is seen TV programme.
3, the present invention has adopted the FPGA (Field Programmable Gate Array) control unit to carry out being connected of VOIP and computer main board interface, has broken the single connectivity of VOIP independence, does like this to prevent effectively that technology is stolen, and has also strengthened product stability, and has greatly dwindled the volume of product.
4, with the black phone automatic switching function, when having a power failure or not using video telephone, phone can only be made black phone and use, and can not be used as video telephone.
5, the present invention is owing to integrate computer and HDTV (High-Definition Television) in the IP video telephone, and the powers such as internet in future all can embody in TV now, have improved simultaneously the effective utilization of computer and TV.
The present invention can according to different job specification needs, make different purposes and select.Can be widely used in multiple place and the fields such as family, hotel, prison, factory, school, government bodies' video conference, monitoring, have widely used advantage.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the electrical block diagram of a preferred embodiment of the present invention.
Embodiment
See also shown in Figure 1ly, be principle schematic of the present invention.
This circuit comprises power supply 1, computer function circuit, TV function of high definition circuit, VOIP functional circuit and Ethernet 11.
See also shown in Figure 2ly, be the electrical block diagram of a preferred embodiment of the present invention.
Described power supply 1 can adopt the 220V alternating current, by rectification, filtering, switch transformer isolation, switch oscillating, full line, obtain positive and negative group of different voltage, provide enough wide voltage to complete machine, the voltage that this voltage group also has, current detecting, output control and management.Reach the purpose of constant voltage output.Power conversion unit 20,21,22 is connected with the output of power supply 1, is the DC-DC power transfer module, realizes power supply efficiency conversion regulating action, distributes different voltage requests.
Described computer function main circuit will comprise: central processing unit 5, demonstration and control unit 6, internal storage location 8, USB interface 4, audio decoding unit 3, clock generator 7 etc.Specific as follows:
It is the CPU of 1.5GHZ that central processing unit (CPU) 5 can adopt clock frequency, and it is responsible for whole core action, and all instructions are allocated by it, and it directly affects the processing speed of complete machine.
Demonstration and control unit 6 can adopt the CX700M chip to realize that its all Peripheral Interface all hangs on the itself for north and south bridge and video driver are integrated, and it and central processing unit 5 have special-purpose data exchange channel.This demonstration and control unit 6 comprise south bridge module, north bridge module and display control module (not illustrating among the figure), wherein, the major function of north bridge module is transfer of data and signal controlling: on the one hand by Front Side Bus and central processing unit 5 exchange data signals, on the other hand, accelerate with internal storage location 8, figure again, south bridge module exchange data signals; The south bridge module mainly is responsible for the data of external equipment and is processed and transmission.
Internal storage location 8 can adopt the very fast internal memory of present speed, is connected on the north bridge module of demonstration and control unit 6, cooperates and carries out high-speed computation with central processing unit 5.
USB interface 4 is connected with control unit 6 with described demonstration, and wireless mouse keyboard, wireless WIFI etc. are from these USB interface 4 accesses.
Audio decoding unit 3 is supported 8.1 sound channels, and left and right acoustic channels is connected with audio input port in the described TV function of high definition circuit; Also have simultaneously the MIC input jack, can external MIC, stereo line input port etc.
Clock generator 7 produces a series of high-frequency impulse ripples, these original impulse waves are input in the clock generator chip again, through shaping and frequency division, then distribute to the various frequencies that computer needs, for the unit of computer function circuit provides all clock signals.
Conventional data hard-disk interface 24 is connected with control unit 6 with described demonstration, is the data access center, can connect conventional hard disk and DOM electronics small harddisk.
I/O (I/O) chip 9 is connected with control unit 6 with described demonstration, and the data that serial can be come in are converted into parallel data; And be connected with BIOS chip 10.Wherein, the data wire of BIOS chip 10, control line all are connected with described I/O chip 9, for the computer function circuit part provides the bottom, the most direct hardware controls.
Pci data bus 13 links to each other with the south bridge module of described demonstration with control unit 6 inside.
Described TV function of high definition main circuit will comprise high definition color TV module 2, is connected with control unit 6 with described demonstration, and the data video YPBPR on the visual telephone or rgb signal are directly obtained from showing with control unit 6.
Described VOIP functional circuit mainly comprises: VOIP process chip 18, subscriber line interface and audio frequency processing 15, control able to programme unit 14, data storage 19 and phone automatic switch unit.Specific as follows:
VOIP process chip 18 can adopt DSPAC48802C to realize, be used for being responsible for the phonetic algorithm of IP video telephone, G.711, G.722, G.723, G.723.1, G.728G.729/729a this chip meets the speech coding agreement, support IPV4, IPV6, Session Initiation Protocol, can realize that voice, fax, data automatically switch, the gain control of the generation of the tinkle of bells, input and output, video telephone etc.
Subscriber line interface is connected with VOIP process chip 18 with audio frequency processing circuit 15, is the SLIC/SLAC part of VOIP process chip 18, and it is responsible for subscriber line interface and audio frequency is processed, framer circuit.Wherein, SLIC realizes the conversion of each state that continues of phone, and the load variations of monitoring telephone line realizes off-hook detection, the function that feed is supplied with and ring transmits; And SLAC realizes the A/D conversion of speech, and framing is to the pcm stream of 8Mbps.The line parameter circuit values such as soft configuration SLIC input impedance, transmitting-receiving gain, return loss; Its control mouth SPI is configured by CPU5 for after arriving pci data bus 13 by control able to programme unit 14.
Control able to programme unit 14 adopts a field programmable logic control unit (FBGA) to realize, by with pci data bus 13 bridge joints, be used for carrying out the work such as data communication and control, sequential collocation, program encryption.
Data storage 19 can adopt the SRAM memory, is used for by pci data bus 13 and control able to programme unit 14, the configurator in the data storage 19 and code being downloaded to VOIP process chip 18 after CPU5 starts.Wherein, VOIP process chip 18 is placed on data storage 19 the insides with the partial configuration code, just shows caller to carry out data storage 19 Rigens according to choosing later on.
In addition, the phone automatic switch unit mainly comprises relay coil 23, its 5V voltage is connected with host power supply 1, when host power supply 1 is opened at ordinary times, relay coil 23 has electric current to flow through, contact K1, K2 adhesive, K3, K4 disconnect, closing of the circuit, pass through the software configuration and can carry out the video calling meeting, when have a power failure or-for a certain reason can not visual telephone the time, relay coil 23 have electric current to flow through, contact K3, K4 adhesive, K1, K2 disconnect, at this moment phone can only be made traditional call and use, and does not have visual function, thereby guarantees that communication is unimpeded.
In addition, telephone wire input interface seat 16,17 is for the access interface of access multiplex telephony.
Ethernet 11 externally carries out the Internet by it and connects from Ethernet network interface 12 (can adopt RJ45) input, accepts service on net.Ethernet 11 links to each other with pci data bus 12, keeps closely communicating by letter with CPU5.
In sum, compare with traditional IP video telephone, the present invention has following beneficial effect:
1, realized computer, high clear colorful TV are integrated in the IP video telephone, provided cost savings, dwindled volume, but also made more hommization of system, convenient for users to use.
2, IP video telephone of the present invention has compatible strong advantage, such as: the IP video telephone can transmit by the internet audio-visual; Independently IP video telephone is not in the market accomplished to move in the network of IPV6, both can move in the IPV6 network among the design, again can compatible IPV4 network, and also video/audio is synchronous; Image is broadcast all over the screen in high definition color TV, as video conference call, also can conveniently record haveing suffered meeting simultaneously, uses when playback; Also have simultaneously picture-in-picture, the functions such as screen cutting, the energy limit is beaten the visual telephone limit and is seen TV programme.
3, the present invention has adopted the FPGA (Field Programmable Gate Array) control unit to carry out being connected of VOIP and computer main board interface, has broken the single connectivity of VOIP independence, does like this to prevent effectively that technology is stolen, and has also strengthened product stability, and has greatly dwindled the volume of product.
4, with the black phone automatic switching function, when having a power failure or not using video telephone, phone can only be made black phone and use, and can not be used as video telephone.
5, the present invention is owing to integrate computer and HDTV (High-Definition Television) in the IP video telephone, and the powers such as internet in future all can embody in TV now, have improved simultaneously the effective utilization of computer and TV.
The present invention can according to different job specification needs, make different purposes and select.Can be widely used in multiple place and the fields such as family, hotel, prison, factory, school, government bodies' video conference, monitoring, have widely used advantage.

Claims (5)

1. a current collection brain and TV functions is characterized in that in the IP of one video telephone, comprising:
Power supply;
Ethernet;
Be used for realizing the computer function circuit of computer function, be connected with the output of power supply, and by the Ethernet connecting Internet;
Be used for to realize the TV function of high definition circuit of high definition color TV function, be connected with output and the described computer function circuit of described power supply, and with described computer function circuit sharing audio decoding circuit;
Be used for realizing the VOIP functional circuit of IP video telephone, be connected with described computer function circuit and described Ethernet, and obtain the data video of visual telephone from described computer function circuit;
Described VOIP functional circuit comprises:
The VOIP process chip, the phonetic algorithm that is used for the IP video telephone is processed, and realizes that voice, fax, data automatically switch;
Subscriber line interface and audio frequency processing circuit are connected with the VOIP process chip, are used for the processing of subscriber line interface and audio frequency, framer circuit processing;
Control able to programme unit is connected with described computer function circuit by the PCI data/address bus, is used for carrying out data communication and control, sequential collocation and program encryption and processes;
Data storage, be connected with the VOIP process chip, the configuration code and the program that are used for storage VOIP process chip, when system starts, by the control of the central processing unit in the described computer function circuit code in the described data storage and program are downloaded in the VOIP process chip by pci data bus and control able to programme unit.
2. current collection brain according to claim 1 and TV functions is characterized in that in the IP of one video telephone, and described VOIP functional circuit also comprises: the phone automatic switch unit is used for realizing the selection switching of voice call and visual telephone.
3. current collection brain according to claim 2 and TV functions are in the IP of one video telephone, it is characterized in that, described phone automatic switch unit comprises relay coil, its power end is connected with described power supply, only when described power supply no-output power supply, visual telephone is automatically switched to voice call.
4. any one described current collection brain and TV functions is characterized in that in the IP of one video telephone according to claim 1-3, and described computer function circuit comprises: central processing unit; Be connected with central processing unit, realize the north and south bridge and show demonstration and the control unit of controlling; Internal storage location, USB interface, audio decoding unit, clock generator all are connected with control unit with demonstration.
5. current collection brain according to claim 4 and TV functions is characterized in that in the IP of one video telephone, and described TV function of high definition circuit comprises the high definition color TV module, are connected with control unit and described audio decoding unit with described demonstration.
CN2007100746322A 2007-05-29 2007-05-29 Computer and television function integrated IP video telephone Expired - Fee Related CN101316177B (en)

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102221952A (en) * 2010-04-13 2011-10-19 北京铭智佳华通信技术有限公司 Visual touch desktop communication terminal
CN101924904A (en) * 2010-08-20 2010-12-22 深圳中电数码显示有限公司 3D high-definition computer-television-telephone all-in-one machine
CN102957890A (en) * 2011-08-19 2013-03-06 中兴通讯股份有限公司 Method and terminal for video image playing during communication
CN102833436A (en) * 2012-08-31 2012-12-19 电子科技大学 Method and system for achieving VOIP (Voice over Internet Phone) agency
CN107656880B (en) * 2016-10-28 2020-12-15 上海兆芯集成电路有限公司 Processor having memory controller with dynamically programmable functional units
CN105592246A (en) * 2015-12-16 2016-05-18 上海市共进通信技术有限公司 VOIP-based system and method for automatically shielding fax calls

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1299207A (en) * 1999-12-08 2001-06-13 李虹 Method for modifying television system to internet television system
CN2805259Y (en) * 2005-06-16 2006-08-09 华中科技大学 Digital TV integrated set having ADSL interface

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1299207A (en) * 1999-12-08 2001-06-13 李虹 Method for modifying television system to internet television system
CN2805259Y (en) * 2005-06-16 2006-08-09 华中科技大学 Digital TV integrated set having ADSL interface

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