CN208369780U - A kind of networking interface of DTS full-digital instruction sound-amplification intercommunication system - Google Patents
A kind of networking interface of DTS full-digital instruction sound-amplification intercommunication system Download PDFInfo
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- CN208369780U CN208369780U CN201820885093.4U CN201820885093U CN208369780U CN 208369780 U CN208369780 U CN 208369780U CN 201820885093 U CN201820885093 U CN 201820885093U CN 208369780 U CN208369780 U CN 208369780U
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Abstract
The utility model relates to a kind of networking interfaces of DTS full-digital instruction sound-amplification intercommunication system, including cpu control circuit, 2 digital transmission interface circuits and 2 digital speaking circuits, wherein cpu control circuit connects digital speaking circuit；Digital transmission interface circuit is connected respectively to the host to be networked；2 digital speaking circuits are connected with each other；Cpu control circuit connects digital speaking circuit, and the protocol controller of digital telephony interface is connected by cpu control circuit microprocessor interface；Digital transmission interface circuit is connected respectively to the host to be networked, transmits control information by twisted pair between digital transmission interface and host.The networking of DTS full-digital instruction sound-amplification intercommunication system may be implemented in the utility model, is able to achieve the transmission for controlling information and voice between different DTS systems, really realizes the seamless connection between different hosts.
Description
Technical field
The utility model relates to a kind of communication voice technology, specially a kind of DTS full-digital instruction sound-amplification intercommunication system
Networking interface.
Background technique
DTS full-digital instruction sound-amplification intercommunication system is that large and medium-sized enterprise work-yard is open, continuous productive process in order to meet
By force, the needs of big, bad environments place the production commander of noise and develop, obtained widely in various industries now
Using.
Currently, DTS full-digital instruction sound-amplification intercommunication system is networked using analog interface, mould between host can only be realized
The transmission of quasi- voice, cannot transmit control information, cannot be being unified into an entirety between two or multiple host.
Utility model content
The deficiency of control information cannot be transmitted for networking between DTS system in the prior art, the utility model will solve
The problem of be to provide the networking interface of DTS full-digital instruction sound-amplification intercommunication system that can be achieved to network between multiple systems a kind of.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of networking interface of DTS full-digital instruction sound-amplification intercommunication system of the utility model, including cpu control circuit, 2
Digital transmission interface circuit and 2 digital speaking circuits, wherein cpu control circuit connects digital speaking circuit；Digital Transmission
Interface circuit is connected respectively to the host to be networked；2 digital speaking circuits are connected with each other.
Cpu control circuit connects digital speaking circuit, connects numeral call by cpu control circuit microprocessor interface and connects
The protocol controller of mouth.
Digital transmission interface circuit is connected respectively to the host to be networked, passes through multiple twin between digital transmission interface and host
Line transmission control information.
2 digital speaking circuits are connected with each other, and are transmitted by the interaction that simulated voice interface carries out voice.
The invention has the following beneficial effects and advantage:
1. the networking of DTS full-digital instruction sound-amplification intercommunication system may be implemented in the utility model, it is able to achieve different DTS systems
Between control information and voice transmission, really realize the seamless connection between different hosts.
2. the utility model is relative to pervious networking interface, information is more abundant flexible, realizes more network construction forms.
Detailed description of the invention
Fig. 1 is the utility model electrical structure block diagram；
Fig. 2 is the utility model networking interface electrical schematic diagram (one)；
Fig. 3 is the utility model networking interface electrical schematic diagram (two)；
Fig. 4 is the utility model networking interface electrical schematic diagram (three)；
Fig. 5 is the utility model networking interface electrical schematic diagram (four).
Specific embodiment
The present invention is further elaborated with reference to the accompanying drawings of the specification.
A kind of networking interface of DTS full-digital instruction sound-amplification intercommunication system of the utility model, including cpu control circuit, 2
Digital transmission interface circuit and 2 digital speaking circuits, wherein the control letter that cpu control circuit is used to read and write between host
Breath；2 digital transmission interface circuits are connected respectively to different host user's digital interfaces, realize and pass with the information between host
It passs；2 digital speaking circuits, realize the interaction of host voice messaging, and control information is passed to CPU.
As shown in Figure 1, the interface networking relationships all the way of two hosts, the networking of DTS full-digital instruction sound-amplification intercommunication system
Interface includes cpu control circuit, the first digital transmission interface circuit, the first numeral call circuit, the second digital transmission interface electricity
Road, the second numeral call circuit, wherein agreement of the cpu control circuit from the first numeral call circuit and the second numeral call circuit
Information is read in controller, re-sends to corresponding numeral call circuit by processing, cpu control circuit uses W78E58.The
One digital transmission interface circuit and the second digital transmission interface circuit are separately connected the first host and the second host, with respective master
Machine transmits information, including control information and speech information.Each digital transmission interface circuit uses MT9172 chip.First number is logical
The host information passed over by respective digital transmission interface is sent to CPU control by telephone circuit and the second numeral call circuit
Circuit, while the speech transmission being responsible between the first host and the second host, the first and second digital subset circuit are all made of MT9092
Chip.
As shown in Figure 2-5, in the present embodiment, using single-chip microcontroller W78E58 as cpu control circuit, cpu control circuit U1
(W78E58) it is written and read control by 5,6,10,11,12 pairs of first numeral call circuit Us 4 (MT9092) of pin, to handle
The control information sent from the first host, or control information is sent to the first host.First digital transmission interface circuit
U8 (MT9172) is connect by pin 13 (DSTi) and pin 12 (DSTo) with the first numeral call circuit U 4 (MT9092), is realized
Information transmission between first numeral call circuit and the first host.Cpu control circuit U1 (W78E58) by pin 5,6,10,
11,12 pair of second numeral call circuit U 5 (MT9092) is written and read control, thus the control that processing is sent from the second host
Information processed (applies identical pin wiring with the first numeral call circuit U 4, is the first numeral call circuit by software differentiation
U4 or the second numeral call circuit U 5), or control information is sent to the second host number transmission interface circuit U11
(MT9172) it is connect by pin 13 (DSTi) and pin 12 (DSTo) with the second numeral call circuit U 5 (MT9092), realization the
Information transmission between two numeral call circuits and the second host.Second numeral call circuit U 4 (MT9092) and the second number are logical
Telephone circuit U5 (MT9092) realizes words by M pin (including M+ and M-) and the interconnection of MIC pin (including MIC+ and MIC-) pin
Sound transmission.Cpu control circuit is responsible for the exchange and processing of the control information of the first host and the second host.
The working principle of the utility model is as follows:
Each digital transmission interface circuit (MT9172 chip) by twisted pair line connection to host user's digital interface, with
The rate of 160kbit/s gives corresponding digital subset circuit (MT9092 core the message transport transmitted on respective host
Piece), while digital transmission interface circuit is also responsible for the information such as the instruction that cpu control circuit is assigned and speech and is forwarded to master
Machine.There are many working methods for digital transmission interface circuit (MT9172 chip), end MS0~MS2 can be selected to carry out with pass-through mode
Setting.The utility model selects " digital network " (hereinafter referred to as " DN ") working method, and under DN mode, route (is connected to master
The twisted pair of machine) output ISDN 2B+D data, 2 B transmission voice messagings, D transmission control information.In DN mode
Under, digital transmission interface circuit (MT9172 chip) from 12 feet (DSTo) with the rate of 2.048Mbit/s, receiving host
Information is gone to numeral call circuit (MT9092), including voice channel B1 and B2, control channel D information.Digital subset circuit
(MT9092 chip) reads the control information of D channel by HDLC protocol controller, and data are believed by microprocessor interface
Breath passes to cpu control circuit (W78E58) processing, and the speech processing module of digital subset circuit (MT9092 chip) is B channel
Voice messaging be converted to analog voice, other a piece of digital subset circuit (MT9092 chip) is passed to by analog interface.CPU
Control circuit (W78E58) analyzes the data received, forms command information by microprocessor interface and is transmitted to an other the piece number
The control information brought is sent to D by the protocol controller of word phone circuit (MT9092), digital subset circuit (MT9092)
On channel, while received analog voice information is converted to digital speech, digital subset electricity by digital subset circuit (MT9092)
Road (MT9092) is transmitted to digital speech and control information using pcm stream interface the digital transmission interface electricity being attached thereto
Road (MT9172 chip), digital transmission interface circuit (MT9172 chip) receive information by 13 feet (DSTi), send out by conversion
It is sent on route and is transmitted to another host.This completes the interaction of information, the networking between host is realized.
The above are the specific embodiments for realizing the networking of two hosts, can be networked and be connect according to user demand application the utility model
Mouth flexible configuration multiple main frames realize networking, such as star-like networking or serial networking diversified forms.
Claims (4)
1. a kind of networking interface of DTS full-digital instruction sound-amplification intercommunication system, it is characterised in that: including cpu control circuit, 2
Digital transmission interface circuit and 2 digital speaking circuits, wherein cpu control circuit connects digital speaking circuit；Digital Transmission
Interface circuit is connected respectively to the host to be networked；2 digital speaking circuits are connected with each other.
2. the networking interface of DTS full-digital instruction sound-amplification intercommunication system according to claim 1, it is characterised in that: pass through
Cpu control circuit microprocessor interface connects the protocol controller of digital telephony interface.
3. the networking interface of DTS full-digital instruction sound-amplification intercommunication system according to claim 1, it is characterised in that: number
Control information is transmitted by twisted pair between coffret and host.
4. the networking interface of DTS full-digital instruction sound-amplification intercommunication system according to claim 1, it is characterised in that: 2 numbers
Word speaking circuit carries out the interaction transmission of voice by simulated voice interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885093.4U CN208369780U (en) | 2018-06-08 | 2018-06-08 | A kind of networking interface of DTS full-digital instruction sound-amplification intercommunication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885093.4U CN208369780U (en) | 2018-06-08 | 2018-06-08 | A kind of networking interface of DTS full-digital instruction sound-amplification intercommunication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208369780U true CN208369780U (en) | 2019-01-11 |
Family
ID=64928063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820885093.4U Expired - Fee Related CN208369780U (en) | 2018-06-08 | 2018-06-08 | A kind of networking interface of DTS full-digital instruction sound-amplification intercommunication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208369780U (en) |
-
2018
- 2018-06-08 CN CN201820885093.4U patent/CN208369780U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190111 Termination date: 20200608 |