CN104735276A - Communication system for multi-channel voice communication and data communication - Google Patents
Communication system for multi-channel voice communication and data communication Download PDFInfo
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- CN104735276A CN104735276A CN201510135715.2A CN201510135715A CN104735276A CN 104735276 A CN104735276 A CN 104735276A CN 201510135715 A CN201510135715 A CN 201510135715A CN 104735276 A CN104735276 A CN 104735276A
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Abstract
The invention provides a communication system for multi-channel voice communication and data communication. The communication system for the multi-channel voice communication and the data communication comprises a main control module, a voice signal processing device, a digital signal processing device, a network switching chip and a modem. The main control module is connected with the voice signal processing device and the network switching chip, the digital signal processing device is connected with the network switching chip, the network switching chip is further connected with the modem, the voice signal processing device is connected with a plurality of voice equipment, and the digital signal processing device is connected with a plurality of computer equipment. According to the communication system for the multi-channel voice communication and the data communication, the communication of multi-channel voice signals and multi-channel digital signals is achieved through one twisted pair, the communication cost is greatly saved, and the cabling difficulty and the workload of maintaining cables are relived.
Description
Technical field
The application 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 needs to utilize twisted-pair feeder to carry out voice communication or the data communication of growing distance usually.In existing communication system, a twisted-pair feeder can only carry out road voice communication or a data communication, need to arrange N bar twisted-pair feeder to carry out voice communication or data communication for having when the voice communication of N road or data communication, therefore the cost of communication is substantially increased, 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 object of the application provides the communication system of a kind of multiplexed voice communication and data communication, communicates while this system utilizes a twisted-pair feeder just can realize multi-path voice signal and multichannel data signal.
The application adopts following technical scheme for realizing above-mentioned application 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 connects described modulator-demodulator further, described speech signal processing device comprises the digital signal processing module connected successively, audio processing modules, Subscriber Line Interface Circuit, described digital signal processing module connects described main control module further, 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 application is when sending signal, the voice signal transmitted from multiple telephone plant is converted into data-signal by speech signal processing device, together with the data-signal transmitted with data-signal processing unit again, undertaken exchanging by network exchanging chip and forward thus obtain data-signal corresponding to a road, a road analog signal is converted to again by modulator-demodulator, thus carry out Signal transmissions by a twisted-pair feeder, work as Received signal strength, otherwise.Therefore, the application just can realize the communication of multi-path voice signal and multichannel data signal by a twisted-pair feeder, dramatically saves on the cost of communication, alleviates the difficulty of wiring and the workload of line upkeep.
Accompanying drawing explanation
Fig. 1 is the application schematic diagram of the application one embodiment;
Fig. 2 is the structural representation of the application;
Fig. 3 is the schematic diagram of the application's main control module.
Embodiment
Below in conjunction with the drawings and specific embodiments, the application is further described.
As shown in Fig. 1, the communication system of the application's multiplexed voice communication and data communication can connect multiple telephone plant and multiple computer equipment, and utilizes a twisted-pair feeder and connect another communication system.That is, the communication system of the application's multiplexed voice communication and data communication communicates while can realize multi-path voice signal and multichannel data signal.The present embodiment for the communication system that can realize 6 road voice signals and 6 circuit-switched data signals and communicate simultaneously to introduce the application.
As shown in Fig. 2, the communication system of multiplexed voice communication and data communication comprises main control module, and voice are believed
Number processing unit, digital signal processing device, network exchanging chip and VDSL2 (Very-high-it-rate Digital
Subscriber Line, High Speed Digital Subscriber 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 connects VDSL2 module further.
When communication system sends data, speech signal processing device converts 6 road voice signals to be adapted at transmission over networks data-signal, and the data-signal after conversion is transferred to network exchanging chip by main control module by speech signal processing device, simultaneously data-signal processing unit also by 6 circuit-switched data Signal transmissions to network exchanging chip.In the present embodiment, network exchanging chip has 12 ports, with the 12 circuit-switched data signals received, (6 roads are transmitted from speech signal processing device, 6 roads are transmitted from data-signal processing unit) and exchange forwarding accordingly according to the label of 12 circuit-switched data signals separately entrained by packet, thus produce a circuit-switched data signal.VDSL2 module receives the corresponding data-signal that network exchanging chip produces, and the data signal modulation of reception is become a road analog signal, and is sent by a twisted-pair feeder.
When communication system receives data, VDSL2 module receives the analog signal that transmits from a twisted-pair feeder and analog signal is demodulated to a circuit-switched data signal, sends to network exchanging chip.The label that the data-signal of reception carries according to its packet is exchanged forwarding by network exchanging chip accordingly, thus obtain 12 circuit-switched data signals, wherein 6 circuit-switched data signal transmission pass to 6 corresponding computer equipments to data-signal processing unit respectively by data-signal processing unit, and another 6 circuit-switched data signal transmission are to speech signal processing device and pass to 6 corresponding telephone plants respectively 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 connects audio processing modules further, 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 6 road voice signals respectively to Subscriber Line Interface Circuit, and the 6 road voice signals received are converted to the 6 tunnel analog signals can docked with audio processing modules by Subscriber Line Interface Circuit respectively.Audio processing modules converts the 6 tunnel analog signals received to 6 road PCM data-signals, and 6 road PCM data-signals are sent to digital signal processing module.The 6 road PCM data-signal compressed encodings that digital signal processing module will receive, again the data encapsulation in the data-signal after coding become packet and stamps label thus convert the data-signal that 6 tunnels are adapted at transmission over networks to, then the data-signal that this 6 tunnel is adapted at transmission over networks being passed to network exchanging chip by main control module.
Accordingly, when communication system receives data, the data-signal that 6 tunnels are adapted at transmission over networks is passed to digital signal processing module by main control module by network exchanging chip, the data-signal received is converted to 6 road PCM data-signals by digital signal processing module, then is passed to audio processing modules.Audio processing modules converts the 6 road PCM data-signals received to 6 tunnel analog signals, then is passed to Subscriber Line Interface Circuit.And the 6 tunnel analog signals received are converted to the voice signal that 6 tunnels are applicable to telephone plant by Subscriber Line Interface Circuit, 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 transmitted from computer equipment the data-signal of applicable network exchanging chip to, or data-signal network exchanging chip transmitted converts the data-signal being suitable for netting twine to, thus 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 Fig. 3, main control module comprises main control module, management configuration module, network exchanging chip control module, audio coding decoding module, digital processing control module, and audio frequency and digital processing jointly control chip and network control module.Wherein, main control module is used for the initialization being responsible for modules in communication system, 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 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 is used for supervisory communications and links up with the external world.The modules of main control module is functional module, can adopt software architecture and realize.Certainly, actual circuit also can be adopted to realize.
The communication system of the application's 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, dramatically saves on the cost of communication, alleviates the difficulty of wiring and the workload of line upkeep.
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 connects described modulator-demodulator further, described speech signal processing device comprises the digital signal processing module connected successively, audio processing modules, Subscriber Line Interface Circuit, described digital signal processing module connects described main control module further, 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. according to the communication system of the multiplexed voice communication described in claim 1 and data communication, it is characterized in that: described Subscriber Line Interface Circuit is connected with telephone plant by RJ11 interface.
3. according to the communication system of the multiplexed voice communication described in claim 1 and data communication, it is characterized in that: described network interface circuit is connected with computer equipment by RJ45 interface.
4., according to the communication system of the multiplexed voice communication described in claim 1 and data communication, it is characterized in that: described modulator-demodulator is a VDSL2 module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510135715.2A CN104735276A (en) | 2015-03-26 | 2015-03-26 | Communication system for multi-channel voice communication and data communication |
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| CN201510135715.2A CN104735276A (en) | 2015-03-26 | 2015-03-26 | Communication system for multi-channel voice communication and data communication |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105389963A (en) * | 2015-12-02 | 2016-03-09 | 宁夏共享集团股份有限公司 | Multipath voice alarm system |
| CN107124667A (en) * | 2017-04-25 | 2017-09-01 | 华北计算技术研究所（中国电子科技集团公司第十五研究所） | Multichannel fusion signal transmission system and method in a kind of Ethernet |
-
2015
- 2015-03-26 CN CN201510135715.2A patent/CN104735276A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105389963A (en) * | 2015-12-02 | 2016-03-09 | 宁夏共享集团股份有限公司 | Multipath voice alarm system |
| CN107124667A (en) * | 2017-04-25 | 2017-09-01 | 华北计算技术研究所（中国电子科技集团公司第十五研究所） | Multichannel fusion signal transmission system and method in a kind of Ethernet |
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Application publication date: 20150624 |