CN203590295U - Multipath voice communication and data communication system - Google Patents
Multipath voice communication and data communication system Download PDFInfo
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- CN203590295U CN203590295U CN201320457332.3U CN201320457332U CN203590295U CN 203590295 U CN203590295 U CN 203590295U CN 201320457332 U CN201320457332 U CN 201320457332U CN 203590295 U CN203590295 U CN 203590295U
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Abstract
The utility model provides a multipath voice communication and data communication system comprising a main control module, a voice signal processor, a digital signal processor, a network exchange chip and a modem; the main control module is respectively connected with the voice signal processor and the network exchange chip; the digital signal processor is connected with the network exchange chip further connected with the modem; the voice signal processor is connected with a plurality of voice devices; the digital signal processor is connected with a plurality of computer devices. One twisted pair is employed to realize multipath voice signal and multipath data signal communication, thereby greatly saving communication cost, and reducing wiring difficulty and work load of line maintenance.
Description
Technical field
The utility model belongs to field of wireless communications, especially relates to the communication system of a kind of multiplexed voice communication and data communication.
Background technology
Communication system need to utilize twisted-pair feeder to grow voice communication or the data communication of distance conventionally.In existing communication system, a twisted-pair feeder can only carry out road voice communication or a data communication, N bar twisted-pair feeder need to be set when having the voice communication of N road or data communication and carry out voice communication or data communication, therefore greatly increased the cost of communication, the difficulty of wiring and the workload of line upkeep, this is all extremely unfavorable to underground communica tion, ground communication and military communication.
Summary of the invention
The purpose of this utility model provides the communication system of a kind of multiplexed voice communication and data communication, communication when this system utilizes a twisted-pair feeder just can realize multi-path voice signal and multichannel data signal.
The utility model adopts following technical scheme for realizing above-mentioned utility model object:
The communication system of a kind of multiplexed voice communication and data communication, comprise main control module, speech signal processing device, digital signal processing device, network exchanging chip and modulator-demodulator, it is characterized in that: described main control module connects described speech signal processing device and described network exchanging chip, described digital signal processing device connects described network exchanging chip, described network exchanging chip further connects described modulator-demodulator, described speech signal processing device comprises the digital signal processing module connecting successively, audio processing modules, Subscriber Line Interface Circuit, described digital signal processing module further connects described main control module, described digital signal processing device comprises network interface circuit, described network interface circuit is connected between described network exchanging chip and described computer equipment, described main control module comprises main control module, management configuration module, network exchanging chip control module, audio coding decoding module, digital processing control module, audio frequency and digital processing jointly control chip and network control module.
Preferably, described Subscriber Line Interface Circuit is connected with telephone plant by RJ11 interface.
Preferably, described network interface circuit is connected with computer equipment by RJ45 interface.
Preferably, described modulator-demodulator is a VDSL2 module.
The utility model is when transmitted signal, speech signal processing device is converted into data-signal by the voice signal transmitting from multiple telephone plants, together with the data-signal transmitting with data-signal processing unit again, thereby by network exchanging chip, exchanged to forward and obtain data-signal corresponding to a road, by modulator-demodulator, convert a road analog signal to again, thereby can carry out signal transmission by a twisted-pair feeder, when receiving signal, otherwise.Therefore, the utility model just can be realized the communication of multi-path voice signal and multichannel data signal by a twisted-pair feeder, has greatly saved the cost of communication, has alleviated the difficulty of wiring and the workload of line upkeep.
Accompanying drawing explanation
Fig. 1 is the application schematic diagram of the utility model one embodiment;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the schematic diagram of the utility model main control module.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As shown in Figure 1, the communication system of the utility model multiplexed voice communication and data communication can connect multiple telephone plants and multiple computer equipment, and utilizes a twisted-pair feeder and connect another communication system.That is to say communication when the communication system of the utility model multiplexed voice communication and data communication can realize multi-path voice signal and multichannel data signal.The present embodiment is introduced the utility model as an example of the communication system that can realize 6 road voice signals and 6 circuit-switched data signals and communicate by letter example simultaneously.
As shown in Figure 2, the communication system of multiplexed voice communication and data communication comprises main control module, speech signal processing device, digital signal processing device, network exchanging chip and VDSL2 (Very-high-it-rate Digital Subscriber Line, high-speed figure user's special line) module.Wherein, main control module is for controlling the operation of whole communication system, and main control module connects speech signal processing device and network exchanging chip, digital signal processing device interconnection network exchange chip, and network exchanging chip further connects VDSL2 module.
When communication system sends data, speech signal processing device converts 6 road voice signals to be adapted at transmission over networks data-signal, and speech signal processing device transfers to network exchanging chip by main control module by the data-signal after conversion, data-signal processing unit also transfers to network exchanging chip by 6 circuit-switched data signals simultaneously.In the present embodiment, network exchanging chip has 12 ports, with receive 12 circuit-switched data signals (6 roads are transmitted from speech signal processing device, 6 roads are transmitted from data-signal processing unit) and according to 12 circuit-switched data signals separately the entrained label of packet carry out corresponding exchange and forward, thereby produce a circuit-switched data signal.VDSL2 module receives the corresponding data-signal that network exchanging chip produces, and by the data signal modulation Cheng Yi road analog signal receiving, and send by a twisted-pair feeder.
When communication system receives data, VDSL2 module receives the analog signal transmitting from a twisted-pair feeder and analog signal is demodulated to a circuit-switched data signal, sends to network exchanging chip.Network exchanging chip is carried the data-signal of reception label according to its packet carries out corresponding exchange and forwards, thereby obtain 12 circuit-switched data signals, wherein 6 circuit-switched data signals pass to data-signal processing unit and pass to respectively 6 corresponding computer equipments by data-signal processing unit, and another 6 circuit-switched data signals pass to speech signal processing device and pass to respectively 6 corresponding telephone plants by speech signal processing device.
Particularly, speech signal processing device comprises digital signal processing module, audio processing modules, Subscriber Line Interface Circuit.Wherein Subscriber Line Interface Circuit is connected to 6 corresponding telephone plants by 6 RJ11 interfaces, and Subscriber Line Interface Circuit further connects audio processing modules, audio processing modules connects digital signal processing module, and digital signal processing module is connected to network exchanging chip by main control module.
When communication system sends data, 6 telephone plants transmit respectively 6 road voice signals to Subscriber Line Interface Circuit, and Subscriber Line Interface Circuit converts the 6 road voice signals that receive to respectively the 6 tunnel analog signals that can dock with audio processing modules.Audio processing modules converts the 6 tunnel analog signals that receive to 6 road PCM data-signals, and 6 road PCM data-signals are sent to digital signal processing module.Digital signal processing module is by the 6 road PCM data-signal compressed encodings that receive, the data-signal that again thereby the data encapsulation in the data-signal after coding is become to packet and stamp label to convert 6 tunnels to and be adapted at transmission over networks, the data-signal that then this 6 tunnel is adapted to transmission over networks is passed to network exchanging chip by main control module.
Accordingly, when communication system receives data, the data-signal that network exchanging chip is adapted at transmission over networks by main control module by 6 tunnels is passed to digital signal processing module, and digital signal processing module converts the data-signal receiving to 6 road PCM data-signals, then is passed to audio processing modules.Audio processing modules converts the 6 road PCM data-signals that receive to 6 tunnel analog signals, then is passed to Subscriber Line Interface Circuit.And Subscriber Line Interface Circuit converts the 6 tunnel analog signals that receive to voice signal that 6 tunnels are applicable to telephone plant, and be passed in corresponding telephone plant.
Particularly, data-signal processing unit comprises network interface interface circuit, and network interface interface circuit is connected to 6 corresponding computer equipments by 6 RJ45 interfaces, and the further interconnection network exchange chip of network interface interface circuit.Network interface interface circuit converts the data-signal transmitting from computer equipment to the data-signal that is applicable to network exchanging chip, or the data-signal that network exchanging chip is transmitted converts the data-signal that is suitable for netting twine to, thereby is passed in computer equipment by netting twine.
Fig. 3 is the schematic diagram of the main control module shown in Fig. 2.As shown in Figure 3, main control module comprises main control module, management configuration module, and network exchanging chip control module, audio coding decoding module, digital processing control module, audio frequency and digital processing jointly control chip and network control module.Wherein, main control module is for being responsible for the initialization of communication system modules, and the conversion of administer calls and control speech data.Management configuration module is the configuration management platform of whole communication system.Network exchanging chip control module receives the order of main control module, the operation of supervising the network exchange chip, and the important information in network exchanging chip is reported to main control module.The operation of audio coding decoding module controls audio processing modules.Digital processing control module is for the treatment of the state of digital signal processing module, and the data transmit-receive between digital signal processing module and main control module.Audio frequency and digital processing jointly control chip for controlling audio coding decoding module and digital processing control module, to coordinate the running status between digital signal processing module and audio processing modules.Whether network control module links up with the external world for supervisory communications.The modules of main control module is functional module, can adopt software architecture and realize.Certainly, also can adopt actual circuit to realize.
The communication system of the utility model multiplexed voice communication and data communication just can realize the communication of multi-path voice signal and multichannel data signal by a twisted-pair feeder, greatly saved the cost of communication, has alleviated the difficulty of wiring and the workload of line upkeep.
Above embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (4)
1. the communication system of a multiplexed voice communication and data communication, comprise main control module, speech signal processing device, digital signal processing device, network exchanging chip and modulator-demodulator, it is characterized in that: described main control module connects described speech signal processing device and described network exchanging chip, described digital signal processing device connects described network exchanging chip, described network exchanging chip further connects described modulator-demodulator, described speech signal processing device comprises the digital signal processing module connecting successively, audio processing modules, Subscriber Line Interface Circuit, described digital signal processing module further connects described main control module, described digital signal processing device comprises network interface circuit, described network interface circuit is connected between described network exchanging chip and computer equipment, described main control module comprises main control module, management configuration module, network exchanging chip control module, audio coding decoding module, digital processing control module, audio frequency and digital processing jointly control chip and network control module.
2. the communication system of multiplexed voice communication according to claim 1 and data communication, is characterized in that: described Subscriber Line Interface Circuit is connected with telephone plant by RJ11 interface.
3. the communication system of multiplexed voice communication according to claim 1 and data communication, is characterized in that: described network interface circuit is connected with computer equipment by RJ45 interface.
4. the communication system of multiplexed voice communication according to claim 1 and data communication, is characterized in that: described modulator-demodulator is a VDSL2 module.
Priority Applications (1)
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CN201320457332.3U CN203590295U (en) | 2013-07-30 | 2013-07-30 | Multipath voice communication and data communication system |
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CN201320457332.3U CN203590295U (en) | 2013-07-30 | 2013-07-30 | Multipath voice communication and data communication system |
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CN201320457332.3U Expired - Fee Related CN203590295U (en) | 2013-07-30 | 2013-07-30 | Multipath voice communication and data communication system |
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2013
- 2013-07-30 CN CN201320457332.3U patent/CN203590295U/en not_active Expired - Fee Related
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Granted publication date: 20140507 Termination date: 20150730 |
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