CN102970445B - Voice communication system and voice communication assembly thereof - Google Patents
Voice communication system and voice communication assembly thereof Download PDFInfo
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- CN102970445B CN102970445B CN201210468085.7A CN201210468085A CN102970445B CN 102970445 B CN102970445 B CN 102970445B CN 201210468085 A CN201210468085 A CN 201210468085A CN 102970445 B CN102970445 B CN 102970445B
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Abstract
The invention provides a kind of voice communication system, the second communication unit of described voice communication system sets up the first execution signaling when the second terminal sends request call signaling, and described first execution signaling is sent to the first communication unit by connecting cable.The first control instruction is exported to the first control unit after the signal sound detector unit of described first communication unit detects described first execution signaling.Described first control unit controls the state of line interface unit according to described first control instruction thus produces the first direct current signaling to being connected to the first terminal of described voice communication system, to show that described first terminal is requested for voice communication.The present invention carries out voice communication without i.e. can determine that the second terminal whether to ask with described first terminal by the curent change of described first communication unit of detection, convenient and swift.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of voice communication system and voice communication assembly thereof.
Background technology
Traditional optical fiber is provided with DC source to distribution point system.Described DC source output DC voltage
Working power is provided for described optical fiber to distribution point system.Simultaneously when the end being connected to distribution point system with optical fiber
When end needs to carry out voice communication with another terminal, due to carrying of the terminal that is connected to distribution point system with optical fiber
Playing action can cause described optical fiber to the curent change in wired electric system, then another terminal is described by identifying
Whether electric current changes to determine whether the terminal being connected with optical fiber to distribution point system is asked it to carry out voice and led to
Letter.But, optical fiber to distribution point system arranges DC source and to supply to described optical fiber to distribution point system
Electricity is the most more complicated, also becomes technological difficulties.Therefore, it is considered to use the confession from the family of another terminal
Obtaining DC source in electric unit maintains described optical fiber to the work of distribution point system.But, thus make
Become another terminal described that the terminal being connected with described optical fiber to distribution point system cannot be determined whether to ask with it to enter
The problem of row voice communication.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, it is provided that a kind of voice communication assembly, to solve
Another terminal in user family cannot determine the terminal being connected with described optical fiber to distribution point system whether ask with
Its problem carrying out voice communication.
The present invention provides a kind of voice communication assembly, is used for being connected to first terminal, with assist first terminal with
Second terminal carries out voice communication, and described voice communication assembly includes: the first communication unit, connect cable,
Second communication unit, described first terminal is connected to described first communication unit, and described first communication unit is also
Being connected to described second communication unit by described connection cable, described second communication unit is exchanged by outside
System is connected to the second terminal, when described second terminal sends request call signaling to described outside exchange system
Time, described request call signaling is sent to described second communication unit by described outside exchange system, and described the
Two communication units are for setting up the first execution signaling after recognizing described request call signaling, and by described the
One performs signaling is sent to described first communication unit by described connection cable, and described first communication unit is used
In producing the first direct current signaling extremely described first terminal after described first execution signaling being detected, described to show
First terminal is requested for voice communication.
In voice communication system of the present invention, when described second terminal sends request call signaling to described outside
During exchange system, described request call signaling is sent to described second communication unit by described outside exchange system,
Described second communication unit is used for after recognizing described request call signaling setting up the first execution signaling, and will
Described first performs signaling is sent to described first communication unit, described first communication by described connection cable
Unit is used for after described first execution signaling being detected producing the first direct current signaling extremely described first terminal, with
Show that described first terminal is requested for voice communication.The present invention is without by detecting described first communication unit
Curent change i.e. can determine that the second terminal whether to ask with described first terminal to carry out voice communication.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings；
Fig. 1 is the block diagram of the first better embodiment of voice communication system of the present invention；
Fig. 2 is the block diagram of the second better embodiment of voice communication system of the present invention；
Fig. 3 is the block diagram of the 3rd better embodiment of voice communication system of the present invention；
Fig. 4 is the block diagram of the 4th better embodiment of voice communication system of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
Referring to Fig. 1, the present invention the first preferred embodiment provides a kind of voice communication system.Described voice leads to
Communication system includes first terminal the 200, second terminal 50, outside exchange system 40 and voice communication assembly 100.
Described first terminal 200 is connected to described outside exchange system 40 by described voice communication assembly 100.Institute
State outside exchange system 40 and be connected to described second terminal 50.Described voice communication assembly 100 is for auxiliary the
One terminal 200 and the second terminal 50 carry out voice communication.
Described voice communication assembly 100 includes the first communication unit 10, connects cable 20 and the second communication unit
30.Described first communication unit 10 is connected to described first terminal 200, and is connected by described connection cable 20
It is connected to described second communication unit 30.Described second communication unit 30 is connected to by outside exchange system 40
Described second terminal 50.
When described second terminal 50 sends request call signaling to the most described outside exchange system 40, described outside
Described request call signaling is sent to described second communication unit 30 by portion's exchange system 30.Described second communication
Unit 30 is for setting up the first execution signaling after recognizing described request call signaling, and holds described first
Row signaling is sent to described first communication unit 10 by described connection cable 20.Described first communication unit
10 for producing the first direct current signaling extremely described first terminal 200 after described first execution signaling being detected,
To show that described first terminal 200 is requested for voice communication.
Wherein, described first communication unit 10 can include an A/D(analog/digital, digital-to-analog)
Transducer the 11, first control unit the 13, first signal sound detector unit 14 and line interface unit 15.Institute
The input stating the first A/D converter 11 is connected to described second communication unit by described connection cable 20
30.The outfan of described first A/D converter 11 is connected to described signal sound detector unit 14.Described
One control unit 13 is connected to described signal sound detector unit 14 and line interface unit 15.
When described second terminal 50 sends request call signaling to the most described outside exchange system 40, described outside
Described request call signaling is sent to described second communication unit 30 by portion's exchange system 40.Described second communication
Unit 30 is for setting up the first execution signaling after recognizing described request call signaling, and holds described first
Row signaling is sent to described first communication unit 10 by described connection cable 20.A described A/D conversion
Device 11 becomes the digital signal of the first execution signaling for performing Signalling conversion by described first.Described signal sound is examined
Survey unit 14 for exporting the first control instruction to institute after the described first digital signal performing signaling being detected
State the first control unit 13.Described first control unit 13 is additionally operable to control institute according to described first control instruction
State the state of line interface unit 15 thus produce the first direct current signaling extremely described first terminal 200, to show
State first terminal 200 and be requested for voice communication.
In the present embodiment, described second communication unit 30 for optical fiber to distribution point system.Described first leads to
Letter unit 10 is powered and communication equipment for terminal supplying power.
In this better embodiment, when described second terminal 50 sends request call signaling, by described
Second communication unit 30 of voice communication system 100 sets up the first execution signaling, and performs letter by described first
Make and being sent to described first communication unit 10 by described connection cable 20.When described first communication unit 10
Signal sound detector unit 14 detect described first to perform after signaling to export the first control instruction to described first
Control unit 13.Described first control unit 13 controls described line interface list according to described first control instruction
The state of unit 15 thus produce the first direct current signaling to described first terminal 200, to show described first terminal 200
It is requested for voice communication.The present invention is without the curent change by detecting described first communication unit 10 i.e.
Can determine that the second terminal 50 whether to ask with described first terminal 200 and carry out voice communication.
Please continue to refer to Fig. 2, voice communication system that the present invention the second better embodiment provides and first preferable
Embodiment is similar.Second better embodiment of described voice communication system and the first better embodiment
Difference is: the second communication unit 301 of described voice communication assembly 300 can also include at fiber-optic signal
Reason unit 31, compression/decompression processing unit the 32, second control unit the 33, first signal sound generating unit 34
And first D/A converter 35.
Described fiber-optic signal processing unit 31 is connected to described outside exchange system 40 to connect by fibre circuit
Receive the fiber-optic signal bag of request call signaling.Described fiber-optic signal processing unit 31 is connected to described compression/decompression
Processing unit 32.Described second control unit 33 is connected to described fiber-optic signal processing unit 31, described pressure
Contracting/decompression processing unit 32 and described first signal generating unit 34.Described compression/decompression processing unit 32
It is additionally coupled to the input of described first D/A converter 35.The outfan of described first D/A converter 35
It is connected to described connection cable 20.Described fiber-optic signal processing unit 31 is additionally operable to described request call signaling
Fiber-optic signal bag be converted into request call signaling signal of telecommunication bag.
When described second control unit 33 recognizes the signal of telecommunication bag of described request call signaling, described second
The signal of telecommunication bag of request call signaling is passed by control unit 33 for controlling described fiber-optic signal processing unit 31
Deliver to described compression/decompression processing unit 32, and control described compression/decompression processing unit 32 to request call
The signal of telecommunication bag of signaling carries out de-compressing into request call signaling telecommunications number.Described second control unit 33 is used for
After recognizing described request call signaling telecommunications number, control described first signal sound generating unit 34 produce described
First performs signaling, and described first execution signaling is sent to the input of described first D/A converter 35.
Described first D/A converter 35 becomes described first to perform signaling simulation for performing Signalling conversion by described first
Signal, and the input of described first A/D converter it is sent to by described connection cable.
Please continue to refer to Fig. 3, voice communication system that the present invention the 3rd better embodiment provides and second preferable
Embodiment is similar.3rd better embodiment of described voice communication system and the second better embodiment
Difference is: the first communication unit 401 of described voice communication assembly 400 can also include the first switch 16,
Secondary signal sound generating unit 17 and the second D/A converter 18.Described second communication unit 403 also includes
Second A/D converter 36 and secondary signal sound detector unit 37.Wherein, described secondary signal sound occurs single
Unit 17 is connected to described first control unit 13.Described secondary signal sound generating unit 17 is also by described
One switch 16 is connected to the input of described second D/A converter 18.Described second D/A converter 18
Outfan be connected to described connection cable 20.Described first control unit 13 is additionally coupled to described first switch
16.Described secondary signal sound detector unit 37 is connected to described second control unit 33.Described secondary signal sound
Detector unit 37 is additionally coupled to the outfan of described second A/D converter 36.Described second A/D converter
The input of 36 is connected to described connection cable 20.
When producing the first feedback signaling after described first terminal 200 receives described first direct current signaling, institute
State after the first control unit 13 recognizes described first feedback signaling by described line interface unit 15 and control
Described second switch 16 closes, and controls described secondary signal sound generating unit 17 and produce the second execution signaling,
And the input of signalling extremely described second D/A converter 18 is performed by described second.Described 2nd D/A
Transducer 18 becomes analogue signal for performing Signalling conversion by described second.Described connection cable 20 is used for will
Described second performs signaling analogue signal is sent to described second A/D converter 36.Described 2nd A/D conversion
The analogue signal that described second performs signaling is converted into the digital signal of the second execution signaling by device 36, and by institute
State the digital data transmission of the second execution instruction to described compression/decompression processing unit 32.Described secondary signal sound
Detector unit 37 is for when the digital signal that described second performs signaling being detected, sending the second control instruction
To described second control unit 33.Described second control unit 33 is additionally operable to control described compression/decompression and processes
Unit 32 is compressed being packaged into the signal of telecommunication of the second execution signaling to the described second digital signal performing signaling
Bag, and by the signal of telecommunication bag transmission of the second execution signaling after packing to described fiber-optic signal processing unit 31.
Described fiber-optic signal processing unit 31 is converted into the second execution for the signal of telecommunication bag performing signaling by described second
The fiber-optic signal bag of instruction, and transmitted by fibre circuit by the described second fiber-optic signal bag performing instruction
To the most described outside exchange system 40, to inform that first terminal 200 described in described outside exchange system 40 can be with
Described second terminal 50 carries out voice communication.
Please continue to refer to Fig. 4, voice communication system that the present invention the 4th better embodiment provides and the 3rd preferable
Embodiment is similar.4th better embodiment of described voice communication system and the 3rd better embodiment
Difference is: in described voice communication assembly 500, and described second communication unit 502 can also include
A pair of mono signal processing unit 38.Described first communication unit 501 can also include that second pair of mono signal processes
Unit 191, the 3rd pair of mono signal processing unit the 192, the 3rd A/D converter the 193, the 3rd D/A converter
194 and second switch 196.
Described first D/A converter 35 and described second A/D converter 36 are all by described first pair of single letter
Number processing unit 38 is connected to described connection cable 20.Wherein, the output of described first D/A converter 35
End is connected to the first input end of described first pair of mono signal processing unit 38.Described first pair of mono signal processes
First outfan of unit 38 is connected to the first input end of described connection cable 20.Described 2nd A/D turns
The input of parallel operation 36 is connected to the second outfan of described first pair of mono signal processing unit 38.Described
Second input of a pair of mono signal processing unit 38 is connected to the first outfan of described connection cable 20.
Described first A/D converter 11 and described second D/A converter 18 are by described second pair of mono signal
Processing unit 191 connects described connection cable 20.Wherein, the second outfan of described connection cable 20 connects
First input end to described second pair of mono signal processing unit 191.Second input of described connection cable 20
End is connected to the first outfan of described second pair of mono signal processing unit 191.At described second pair of mono signal
Second input of reason unit 191 is connected to the outfan of described second D/A converter 18.Described second pair
Second outfan of mono signal processing unit 191 is connected to the input of described first A/D converter 11.Institute
The first input end stating the 3rd pair of mono signal processing unit 192 is connected to the first of described line interface unit 15
Outfan.First outfan of described 3rd pair of mono signal processing unit 192 is connected to described line interface list
The first input end of unit 15.Second input of described 3rd pair of mono signal processing unit 192 is connected to described
The outfan of the 3rd D/A converter 194.Second outfan of described 3rd pair of mono signal processing unit 192
It is connected to the input of described 3rd A/D converter 193.The outfan of described 3rd A/D converter 193
The input of described second D/A converter 18 it is connected to by described first switch 16.Described 3rd D/A
The input of transducer 194 is connected to the defeated of described first A/D converter 11 by described second switch 196
Go out end.During original state, first and second switch 16 and 196 described is in off-state.
After described outside exchange system 40 receives described second execution instruction fiber-optic signal bag, by described
Fibre circuit sends the fiber-optic signal bag of call signaling to described fiber-optic signal processing unit 31.Described optical fiber is believed
The fiber-optic signal bag of described call signaling is converted into the signal of telecommunication bag of call signaling by number processing unit 31, and will
The signal of telecommunication bag of described call signaling sends to described compression/decompression processing unit 32.Described second control unit
Described compression/decompression processing unit is controlled to described call letter after 33 signal of telecommunication bags recognizing described call signaling
The signal of telecommunication bag of order decompresses, and obtains the digital signal of call signaling.Described compression/decompression processing unit 32
It is additionally operable to export to described first D/A converter 35 digital signal of described call signaling.Described first
The digital signal of described call signaling is converted into the analogue signal of call signaling by D/A converter 35, and passes through
Described first pair of mono signal processing unit 38, described connection cable 20 and described second pair of mono signal processing unit
191 the first A/D converters 11 being sent to described first communication unit 101.Described first A/D converter
11 digital signals that the analogue signal of described call signaling is converted into call signaling.When described secondary signal sound
When detector unit 14 detects the digital signal of described call signaling, send first and go code to described first
Control unit 13.Described first control unit 13 according to described first go code control described first and second
Switch 16 and 196 all closes, so that described first terminal 200 and described second terminal 50 carry out Media Stream
Transmission.
When the request of described first terminal 200 carries out voice communication with described second terminal 50, described first eventually
The digital signal of end 200 transmission request call signaling is to described line interface unit 15.Described first controls list
When unit 13 recognizes the digital signal that described line interface unit 15 receives described request call signaling, institute
State the first control unit 13 control described secondary signal sound generating unit 17 produce the 3rd execution signaling numeral
Signal, and control described first switch 16 Guan Bi.Described secondary signal sound generating unit 17 is by the described 3rd
Perform the digital data transmission of signaling to described second D/A converter 18.Described second D/A converter 18
The digital signal that described 3rd performs signaling is converted into the analogue signal of the 3rd execution signaling, and by described the
Three perform the analogue signal of signalings by described connection cable 20 transmission extremely described second communication unit 30 the
Two A/D converters 36.The analogue signal that described 3rd performs signaling is turned by described second A/D converter 36
Change the digital signal of the 3rd execution signaling into.Described secondary signal sound detector unit 37 detects that the described 3rd holds
Send the 3rd after the digital signal of row signaling and control signal to described second control unit 33, and by described second
Perform the digital data transmission of signaling to described compression/decompression processing unit 32.Described second control unit 33
Control described compression/decompression processing unit 32 according to described 3rd control instruction and perform signaling to the described 3rd
Digital signal is compressed into the signal of telecommunication bag of the 3rd execution signaling, and the signal of telecommunication bag performing signaling by the described 3rd
It is sent to described fiber-optic signal processing unit 31.Described fiber-optic signal processing unit 31 performs letter by the described 3rd
The signal of telecommunication bag of order is converted into the optical signal bag of the 3rd execution signaling, and is sent to institute by described fibre circuit
State exchange system 40, to inform first terminal 200 request described in described exchange system 40 and described second terminal
50 carry out voice communication.The optical signal bag that described 3rd performs signaling is sent to described by described exchange system 40
Second terminal 50, so that described second terminal 50 sends the second feedback signaling.
The light of signaling is performed when described second terminal 50 receives the described 3rd of described exchange system 40 transmission
Optical signal bag to the described exchange system 40 sending the second feedback signaling after signal packet can be with described first to show
Terminal 200 carries out voice communication.Described exchange system 40 is by the optical signal bag transmission of described second feedback signaling
To described fiber-optic signal processing unit 31.Described fiber-optic signal processing unit 31 is by described second feedback signaling
Optical signal bag is converted into the signal of telecommunication bag of the second feedback signaling, and by the signal of telecommunication bag transmission of described feedback signaling
To described compression/decompression processes unit 32.Described second control unit 33 recognizes described second feedback letter
The described compression/decompression processes unit 32 telecommunications to described second feedback signaling is controlled after the signal of telecommunication bag of order
Number bag decompresses, it is thus achieved that the digital signal of described second feedback signaling, and by described second feedback signaling
Digital data transmission to described first D/A converter 35.Described first D/A converter 35 is by described
The digital signal of two feedback signalings is converted into the analogue signal of the second feedback signaling, and by described connection cable
20 transmission are to described first A/D converter 11.Described first A/D converter 11 is by described second feedback letter
The analogue signal of order is converted into the digital signal of the second feedback signaling.Described first signal sound detector unit 14 is examined
The second interface instruction is sent to described first control unit after measuring the digital signal of described second feedback signaling
13.Described first control unit 13 controls first and second switch 16 and 196 described and all closes, so that
Described first terminal 200 carries out voice communication with described second terminal 50.
In the present embodiment, 38, second pair of mono signal processing unit of described first pair of mono signal processing unit
191 and the 3rd pair of mono signal processing unit 192 be 2/4 line transducer.
Wherein, described first communication unit 501 can also include the first impedance matching unit 197 and the second resistance
Anti-matching unit 198.Described second communication unit 301 can also include the 3rd impedance matching unit 39.Institute
The first end stating the first impedance matching unit 197 is connected to the outfan of described first A/D converter 11, institute
The second end stating the first impedance matching unit 197 is connected to the input of described second D/A converter 18.Institute
The first end stating the second impedance matching unit 198 is connected to the input of described 3rd D/A converter 194,
Second end of described second impedance matching unit 198 is connected to the outfan of described 3rd A/D converter 193.
First end of described 3rd impedance matching unit 39 is connected to the outfan of described second A/D converter 36,
Second end of described 3rd impedance matching unit 39 is connected to the input of described first D/A converter 35.
Described first communication unit 501 also includes power supply unit the 102, first isolated location 103 and the first electric capacity
104.First end of said supply unit 102 is connected to described second pair by described first isolated location 103
Joint between the first input end of mono signal processing unit 191 with described the second outfan being connected cable 20
Point.Second end of said supply unit 102 is connected to described connecting line by described first isolated location 103
Second input of cable 20, and be connected to process with described second pair of mono signal by described first electric capacity 104
First outfan of unit 191.Said supply unit 101 is used for receiving extraneous alternating voltage, and by described
Extraneous alternating voltage is converted into DC voltage, and is described second communication unit 301 by described connection cable
Running voltage is provided.Described first isolated location 103 be used for isolating described connection cable 20 with described second pair
Between mono signal processing unit 191, the AC signal of transmission enters said supply unit 102.
Further, described second communication unit 503 can also include by electric unit the 302, second isolated location
303 and second electric capacity 304.Described the first end by electric unit 302 is by described second isolated location 303 even
It is connected to the second input of described first pair of mono signal processing unit 38 and is connected the first defeated of cable 20 with described
Go out the node between end.Described the second end by electric unit 302 is connected by described second isolated location 303
To the first input end of described connection cable 20, and it is connected to described first pair by described second electric capacity 304
First outfan of mono signal processing unit 38.Described single for receiving from described power supply by electric unit 302
The DC voltage that unit 102 provides, and supply the use of other equipment.
In this better embodiment, when described second terminal 50 sends request call signaling, by described
Second communication unit 301 of voice communication system 300 sets up the first execution signaling, and performs described first
Signaling is sent to described first communication unit 101 by described connection cable 20.When described first communication unit
The signal sound detector unit 14 of 101 exports the first control instruction to the most described after described first execution signaling being detected
First control unit 13.Described first control unit 13 controls described circuit according to described first control instruction and connects
The state of mouthful unit 15 thus produce the first direct current signaling to described first terminal 200, to show described first eventually
End 200 is requested for voice communication.The present invention is without the electric current change by detecting described first communication unit
Change and i.e. can determine that the second terminal 50 whether to ask with described first terminal 200 to carry out voice communication, solve institute
State first terminal and cannot determine whether described second terminal asks to carry out with it problem of voice communication, convenient fast
Prompt.
Above disclosed only one preferred embodiment of the present invention, can not limit this with this certainly
Bright interest field, the equivalent variations therefore made according to the claims in the present invention, still belong to what the present invention was contained
Scope.
Claims (12)
1. a voice communication assembly, is used for being connected to first terminal, to assist first terminal and the second terminal
Carrying out voice communication, described voice communication assembly includes: the first communication unit, connection cable, the second communication
Unit, described first terminal is connected to described first communication unit, and described first communication unit is also by described
Connecting cable and be connected to described second communication unit, described second communication unit is connected by outside exchange system
To the second terminal, when described second terminal sends request call signaling to described outside exchange system, described
Described request call signaling is sent to described second communication unit, described second communication unit by outside exchange system
Unit is for setting up the first execution signaling after recognizing described request call signaling, and performs letter by described first
Making and being sent to described first communication unit by described connection cable, described first communication unit is in detection
The first direct current signaling extremely described first terminal is produced, to show described first terminal after performing signaling to described first
It is requested for voice communication.
2. voice communication assembly as claimed in claim 1, it is characterised in that: described first communication unit bag
Include the first A/D converter, the first control unit, the first signal sound detector unit and line interface unit, institute
The input stating the first A/D converter is connected to described second communication unit by described connection cable, described
The outfan of the first A/D converter is connected to described signal sound detector unit, and described first control unit connects
To described signal sound detector unit and line interface unit, when described second terminal sends request call signaling extremely
During described outside exchange system, described first A/D converter becomes number for performing Signalling conversion by described first
Word signal, described signal sound detector unit is for defeated after the described first digital signal performing signaling being detected
Going out the first control instruction extremely described first control unit, described first control unit is additionally operable to according to described first
Control instruction controls the state of described line interface unit thus produces described first direct current signaling to described first
Terminal.
3. voice communication assembly as claimed in claim 2, it is characterised in that described second communication unit bag
Include fiber-optic signal processing unit, compression/decompression processing unit, the second control unit, the first signal sound generation list
Unit and the first D/A converter, described fiber-optic signal processing unit by the externally connected exchange of fibre circuit is
Unite with receive request call signaling fiber-optic signal bag, described fiber-optic signal processing unit be connected to described compression/
Decompression processing unit, described second control unit is connected to described fiber-optic signal processing unit, described compression/solution
Pressure processing unit and described first signal generating unit, described compression/decompression processing unit is additionally coupled to described the
The input of one D/A converter, the outfan of described first D/A converter is connected to described connection cable,
It is logical that described fiber-optic signal processing unit is additionally operable to that the fiber-optic signal bag of described request call signaling is converted into request
The signal of telecommunication bag of words signaling, when described second control unit detects the signal of telecommunication bag of request call signaling,
Described second control unit is for controlling the described fiber-optic signal processing unit signal of telecommunication bag by request call signaling
It is sent to described compression/decompression processing unit, and controls described compression/decompression processing unit to request call signaling
Signal of telecommunication bag carry out de-compressing into request call signaling telecommunications number, described second control unit is for identifying
After described request call signaling telecommunications number, control described first signal sound generating unit produce described first execution
Signaling, and described first execution signaling is sent to the input of described first D/A converter, described first
D/A converter becomes the first execution signaling analogue signal for performing Signalling conversion by described first, and passes through institute
State connection cable and be sent to the input of described first A/D converter.
4. voice communication assembly as claimed in claim 3, it is characterised in that described first communication unit is also
Including the first switch, secondary signal sound generating unit and the second D/A converter, described second communication unit is also
Including the second A/D converter and secondary signal sound detector unit, wherein, described secondary signal sound generating unit
Being connected to described first control unit, described secondary signal sound generating unit connects also by described first switch
To the input of described second D/A converter, the outfan of described second D/A converter is connected to described company
Wiring cable, described first control unit is additionally coupled to described first switch, described secondary signal sound detector unit
Being connected to described second control unit, described secondary signal sound detector unit is additionally coupled to described 2nd A/D and turns
The outfan of parallel operation, the input of described second A/D converter is connected to described connection cable, when described
When one terminal produces the first feedback signaling after receiving described first direct current signaling, described first control unit is led to
Cross and after described line interface unit recognizes described first feedback signaling, control described first switch Guan Bi, and control
Make described secondary signal sound generating unit and produce the second execution signaling, and perform signalling extremely by described second
The input of described second D/A converter, described second D/A converter is for performing signaling by described second
Being converted into analogue signal, described connection cable is sent to described for performing signaling analogue signal by described second
Second A/D converter, described second A/D converter for performing the conversion of signaling analogue signal by described second
Become the second execution signaling digital signal, and will described second perform instruction digital data transmission extremely described compression/
Decompression processing unit, described secondary signal sound detector unit is for detecting that described second performs signaling numeral
During signal, sending the second control instruction extremely described second control unit, described second control unit is additionally operable to control
Make described compression/decompression processing unit to perform signaling digital signal to described second and be compressed being packaged into second and hold
Row signaling telecommunications number wraps, and by the second execution signaling telecommunications number bag transmission after packing to described fiber-optic signal
Reason unit, described fiber-optic signal processing unit is converted into second for performing signaling telecommunications bag by described second
Perform instruction fiber-optic signal bag, and transmitted by fibre circuit by described second execution instruction fiber-optic signal bag
To described outside exchange system, to inform that first terminal described in described outside exchange system can be with described second
Terminal carries out voice communication.
5. voice communication assembly as claimed in claim 4, it is characterised in that described second communication unit is also
Including first pair of mono signal processing unit, described first communication unit also include second pair of mono signal processing unit,
3rd pair of mono signal processing unit, the 3rd A/D converter, the 3rd D/A converter, second switch, described
First D/A converter and described second A/D converter are all connected by described first pair of mono signal processing unit
To described connection cable, the outfan of described first D/A converter is connected to described first pair of mono signal and processes
The first input end of unit, the first outfan of described first pair of mono signal processing unit is connected to described connection
The first input end of cable, the input of described second A/D converter is connected at described first pair of mono signal
Second outfan of reason unit, the second input of described first pair of mono signal processing unit is connected to described company
First outfan of wiring cable, described first A/D converter and described second D/A converter are by described the
Two pairs of mono signal processing units connect described connection cable, and the second outfan of described connection cable is connected to institute
Stating the first input end of second pair of mono signal processing unit, the second input of described connection cable is connected to institute
Stating the first outfan of second pair of mono signal processing unit, the second of described second pair of mono signal processing unit is defeated
Enter end and be connected to the outfan of described second D/A converter, the second of described second pair of mono signal processing unit
Outfan is connected to the input of described first A/D converter, the of described 3rd pair of mono signal processing unit
One input is connected to the first outfan of described line interface unit, described 3rd pair of mono signal processing unit
The first outfan be connected to the first input end of described line interface unit, described 3rd pair of mono signal processes
Second input of unit is connected to the outfan of described 3rd D/A converter, at described 3rd pair of mono signal
Second outfan of reason unit is connected to the input of described 3rd A/D converter, described 3rd A/D conversion
The outfan of device is connected to the input of described second D/A converter by described first switch, and the described 3rd
The input of D/A converter is connected to the outfan of described first A/D converter by described second switch,
During original state, described first switch and described second switch are in off-state.
6. voice communication assembly as claimed in claim 5, it is characterised in that when described outside exchange system
After receiving described second execution instruction fiber-optic signal bag, sent the light of call signaling by described fibre circuit
Optical fiber signaling bag is to described fiber-optic signal processing unit, and described fiber-optic signal processing unit is additionally operable to described call
The fiber-optic signal bag of signaling is converted into the signal of telecommunication bag of call signaling, and by the signal of telecommunication bag of described call signaling
Transmission is to described compression/decompression processing unit, and described second control unit is additionally operable to recognizing described call letter
Control described compression/decompression processing unit during the signal of telecommunication bag made the signal of telecommunication bag of described call signaling is solved
Compression, thus form the digital signal of call signaling, described compression/decompression processing unit is additionally operable to described logical
The digital data transmission of words signaling is to described first D/A converter, and described first D/A converter is for by institute
The digital signal stating call signaling is converted into the analogue signal of call signaling, and by described first pair of mono signal
Processing unit, described connection cable and described second pair of mono signal processing unit are by the simulation of described call signaling
Signal transmission is to described first A/D converter, and described first A/D converter is for by described call signaling
Analogue signal is converted into the digital signal of call signaling, and described first signal sound detector unit recognizes described logical
Sending first after the digital signal of words signaling to go code to described first control unit, described first controls list
Unit is additionally operable to go code according to described first and closes described first switch and described second switch, so that institute
State first terminal and carry out media flow transmission with described second terminal.
7. voice communication assembly as claimed in claim 5, it is characterised in that when described first terminal is asked
When carrying out voice communication with the second terminal, described first terminal sends the digital signal of request call signaling to institute
Stating line interface unit, described first control unit is additionally operable to receive recognizing described line interface unit
Control described secondary signal sound generating unit generation the 3rd after the digital signal of described request call signaling and perform letter
Order digital signal, and control described first switch Guan Bi, described secondary signal sound generating unit be additionally operable to by
Described 3rd performs the digital data transmission of signaling to described second D/A converter, described 2nd D/A conversion
Device is additionally operable to be converted into the digital signal that the described 3rd performs signaling the analogue signal of the 3rd execution signaling, and
The analogue signal of signaling is performed by described connection cable transmission to described second communication unit by the described 3rd
Second A/D converter, described second A/D converter is additionally operable to the described 3rd analogue signal performing signaling
Being converted into the digital signal of the 3rd execution signaling, described secondary signal sound detector unit is additionally operable to detect described
Send the 3rd after 3rd digital signal performing signaling and control signal to described second control unit, and by described
The second digital data transmission extremely described compression/decompression processing unit performing signaling, described second control unit is also
Signaling is performed to the described 3rd for controlling described compression/decompression processing unit according to described 3rd control signal
Digital signal is compressed into the signal of telecommunication bag of the 3rd execution signaling, and the signal of telecommunication bag performing signaling by the described 3rd
It is sent to described fiber-optic signal processing unit, so that described fiber-optic signal processing unit performs letter by the described 3rd
The signal of telecommunication bag of order passes through described fibre circuit by the described 3rd after being converted into the 3rd optical signal bag performing signaling
The optical signal bag performing signaling is sent to described exchange system, to inform first terminal described in described exchange system
Request and described second terminal carry out voice communication.
8. voice communication assembly as claimed in claim 7, it is characterised in that when described second terminal receives
To described exchange system transmit described 3rd perform signaling optical signal bag after send the second feedback signaling to institute
Stating exchange system, the optical signal bag of described second feedback signaling is sent to described optical fiber letter by described exchange system
Number processing unit, described fiber-optic signal processing unit is additionally operable to turn the optical signal bag of described second feedback signaling
Change the signal of telecommunication bag of the second feedback signaling into, and the signal of telecommunication bag of described feedback signaling is sent to described compression/
Decompression processing unit, described second control unit is additionally operable in the telecommunications recognizing described second feedback signaling
Control described compression/decompression processes unit the signal of telecommunication bag of described second feedback signaling is decompressed after number bag
Contracting, it is thus achieved that the digital signal of described second feedback signaling, and the digital signal of described second feedback signaling is passed
Transporting to described first D/A converter, described first D/A converter is by the numeral letter of described second feedback signaling
Number it is converted into the analogue signal of the second feedback signaling, and by described connection cable transmission to a described A/D
Transducer, described first A/D converter is additionally operable to the analogue signal of described second feedback signaling is converted into
The digital signal of two feedback signalings, described first signal sound detector unit is also used in described second feedback being detected
Sending the secondth after the digital signal of signaling to go code to described first control unit, described first controls list
Unit is additionally operable to go code according to described second and closes described first switch and described second switch, so that institute
State first terminal and carry out voice communication with described second terminal.
9. voice communication assembly as claimed in claim 5, it is characterised in that described first communication unit bag
Including the first impedance matching unit and the second impedance matching unit, described second communication unit also includes the 3rd impedance
Matching unit, the first end of described first impedance matching unit is connected to the output of described first A/D converter
End, the second end of described first impedance matching unit is connected to the input of described second D/A converter, institute
The first end stating the second impedance matching unit is connected to the input of described 3rd D/A converter, and described second
Second end of impedance matching unit is connected to the outfan of described 3rd A/D converter, described 3rd impedance
The first end joining unit is connected to the outfan of described second A/D converter, described 3rd impedance matching unit
The second end be connected to the input of described first D/A converter.
10. voice communication assembly as claimed in claim 5, it is characterised in that described first communication unit is also
Including power supply unit, the first isolated location and the first electric capacity, the first end of said supply unit is by described the
One isolated location is connected to the first input end of described second pair of mono signal processing unit and the described cable that is connected
Node between second outfan, the second end of said supply unit passes sequentially through described first isolated location even
It is connected to the second input of described connection cable, and is connected to and described second pair of list by described first electric capacity
First outfan of signal processing unit, said supply unit is used for receiving extraneous alternating voltage, and by described
Extraneous alternating voltage is converted into DC voltage, and is provided for described second communication unit by described connection cable
Running voltage, described first isolated location is used for isolating described connection cable and processes with described second pair of mono signal
Between unit, the AC signal of transmission enters said supply unit.
11. voice communication assemblies as claimed in claim 10, it is characterised in that described second communication unit
Also include that described the first end by electric unit is by described by electric unit, the second isolated location and the second electric capacity
Second isolated location is connected to the second input of described first pair of mono signal processing unit and is connected cable with described
The first outfan between node, described the second end by electric unit is connected by described second isolated location
To the first input end of described connection cable, and it is connected to described first pair of mono signal by described second electric capacity
First outfan of processing unit, the described direct current provided from said supply unit for reception by electric unit
Voltage, and supply the use of other equipment.
12. 1 kinds of voice communication systems, including first terminal, the second terminal, outside exchange system and such as right
Requiring the voice communication assembly according to any one of 1-11 item, wherein, described first terminal passes through described voice
Communicator is connected to described outside exchange system, and described outside exchange system is connected to described second terminal,
Described voice communication assembly is used for assisting described first terminal and described second terminal to carry out voice communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210468085.7A CN102970445B (en) | 2012-11-19 | 2012-11-19 | Voice communication system and voice communication assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210468085.7A CN102970445B (en) | 2012-11-19 | 2012-11-19 | Voice communication system and voice communication assembly thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102970445A CN102970445A (en) | 2013-03-13 |
| CN102970445B true CN102970445B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210468085.7A Active CN102970445B (en) | 2012-11-19 | 2012-11-19 | Voice communication system and voice communication assembly thereof |
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| Country | Link |
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| CN (1) | CN102970445B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566496B (en) * | 2017-11-24 | 2021-04-13 | 厦门集微科技有限公司 | Method and device for monitoring voice line state |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1194529A (en) * | 1996-12-03 | 1998-09-30 | 索尼公司 | Telephone device, modulating and demodulating apparatus, computer device, and communication terminal equipment |
| CN1479511A (en) * | 2002-08-30 | 2004-03-03 | 联想(北京)有限公司 | Three way modulator and demodulator and method of realizing common telephone and IP telephone three-side talking |
| CN201947286U (en) * | 2010-12-24 | 2011-08-24 | 广州广哈通信有限公司 | Sound signal processing device |
-
2012
- 2012-11-19 CN CN201210468085.7A patent/CN102970445B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1194529A (en) * | 1996-12-03 | 1998-09-30 | 索尼公司 | Telephone device, modulating and demodulating apparatus, computer device, and communication terminal equipment |
| CN1479511A (en) * | 2002-08-30 | 2004-03-03 | 联想(北京)有限公司 | Three way modulator and demodulator and method of realizing common telephone and IP telephone three-side talking |
| CN201947286U (en) * | 2010-12-24 | 2011-08-24 | 广州广哈通信有限公司 | Sound signal processing device |
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| CN102970445A (en) | 2013-03-13 |
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