CN101014069B - Recording apparatus for dispatching communication system - Google Patents
Recording apparatus for dispatching communication system Download PDFInfo
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- CN101014069B CN101014069B CN200610113108A CN200610113108A CN101014069B CN 101014069 B CN101014069 B CN 101014069B CN 200610113108 A CN200610113108 A CN 200610113108A CN 200610113108 A CN200610113108 A CN 200610113108A CN 101014069 B CN101014069 B CN 101014069B
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- transaction card
- trunk board
- digital trunk
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Abstract
The invention discloses one digital integral record device for transfer communication system, which comprises the following parts: digital record process card to fulfill language data process; record digital relay board to fulfill dialogue path two directions PCM signals overlapped and PCM signal and HDB3 codes conversion; memory device to store record files, wherein, the record digital relay board is inserted onto transfer machine frame common tank or digital relay board tank connected to record process card; the digital record process card is connected to memory device to send record files.
Description
Technical field
The present invention relates to a kind of recording device, relate in particular to a kind of digital concentrated recording device that is used for dispatching communication system, belong to the dispatching communication technical field.
Background technology
Specific schedule communication is as important communication means, and the unified command that always is widely used in all departments at different levels such as railway, electric power, public security, army, civil aviaton is issued an order and the production scheduling of big-and-middle-sized industrial enterprise, plays crucial effect.
In all kinds of specific schedule communication systems, calling record equipment is being brought into play crucial effects.It can carry out record to the dialog context and the time of specifying speech channel, so that reappear dialog context afterwards, helps to analyze accident cause, and the people finds out who is responsible for an accident.
In traditional specific schedule communication system, recording device is generally analog interface recording instrument.This recording instrument is connected on the analog recording output line of exporting from the interface board of dispatcher or dispatching desk, and is attempted by on the telephone wire, realizes recording by acoustic control or automatically controlled mode.
When using the acoustic control mode to control the recording instrument, the recording instrument begins recording by whether having voice signal to determine when on the detection analog recording output line, when voice signal occurring on the recording output line, starts recording; Voice signal disappears on the recording output line, stops recording.
When using automatically controlled mode to control the recording instrument, need draw 2 lines (A line and B line) separately at recording access, the voltage difference by these two lines just starts or stops recording; Perhaps judge that by the voltage that detects on the user AB line telephone set dislodging machine starts or stop recording.
Above-mentioned analog interface recording instrument exists following defective to need to solve:
1. employing analog interface, integrated level is low, the cost height, the recording access that separate unit recording instrument provides is few, generally most mostly is 8 the tunnel;
2. the analog recording transmission range is short, and the recording instrument can only be placed in the machine room at dispatcher or dispatching desk place, does not accomplish to concentrate recording at a distance and monitor;
3. in existing digital dispatching communication system, voice signal is through the multistage digital to analogy and the conversion of analog to digital, every road voice all will increase the coding-decoding circuit of finishing these translation functions, and cost is improved, and voice quality is reduced;
4. starting recording slips up easily with the judgement that finishes recording: to the sound control recording mode, because the recording instrument of different manufacturers and different model is different to the level height that starts recording, the perhaps reason of circuit self, interference from outside signals, analog recording instrument are easy to erroneous judgement; For automatically controlled record type, because the dispatcher of each producer gives the feed voltage of telephone wire different sometimes, the perhaps length of telephone wire itself, the voltage of receiving the recording instrument has change by a relatively large margin, and the recording instrument is also judged by accident easily.
5. the analog recording instrument can't be known the calling and called number, therefore can not write down the calling and called number of institute's recording slot.
At present, though also be useful on the digital sound pick-up outfit appearance of dispatching communication system.But this kind equipment is to be converted by general phone numbers sound pick-up outfit mostly, does not fully take into account the characteristics of specific schedule communication system itself, therefore still has a lot of inconveniences in the use.
Summary of the invention
The purpose of this invention is to provide a kind of digital concentrated recording device that is used for dispatching communication system.This device matches with the dispatcher or the switch of dispatching communication system, can concentrate recording to each dispatching desk of dispersed and distributed.
For realizing above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of recording device that is used for dispatching communication system comprises digital recording transaction card and recording Digital Trunk Board, and described recording Digital Trunk Board is plugged in the dispatcher, and is connected with described digital recording transaction card, it is characterized in that:
Described recording Digital Trunk Board comprises:
The CPU processing module is used to control first digital trunk moudle and the first High-Level Data Link Control module;
First digital trunk moudle is used to finish the conversion between audio digital signals PCM and the HDB3 sign indicating number;
The first High-Level Data Link Control module is used to finish communicating by letter between recording Digital Trunk Board and digital recording transaction card, the dispatcher master control borad;
First digital signal processing module is used to finish the voice PCM signal stack of speech channel both direction;
Described digital recording transaction card comprises:
Second digital trunk moudle is used to finish the conversion between audio digital signals PCM and the HDB3 sign indicating number;
The second High-Level Data Link Control module, communicating by letter between be used to record Digital Trunk Board and the digital recording transaction card;
Second digital signal processing module is used to finish the buffer memory of the string of voice signal and conversion, voice signal;
The pci bus interface module is used to realize and the communicating by letter of the pci bus of computer;
When beginning to record, described dispatcher master control borad arrives described recording Digital Trunk Board to two time gas exchange of a speech channel, send order to described recording Digital Trunk Board by the described first High-Level Data Link Control module simultaneously, described first digital signal processing module superposes two voice PCM signals, deliver to a time slot of digital junction, described recording Digital Trunk Board sends a message to described digital recording transaction card, notifies described digital recording transaction card to begin this time slot of this digital junction is recorded; During End of Tape, described dispatcher master control borad is sent out message and is given described recording Digital Trunk Board and described digital recording transaction card, described digital recording transaction card stops recording, and described dispatcher master control borad, described recording Digital Trunk Board and described digital recording transaction card discharge corresponding resource simultaneously.
Be connected by digital trunk or SDH equipment between described recording Digital Trunk Board and the described digital recording transaction card.
Described digital trunk is 4 the tunnel, and every way word relaying has 32 time slots, and wherein the 1st time slot is as synchronously, and the 16th time slot is as the High-Level Data Link Control time slot, and other 30 time slots are as the voice time slot.
When described recording Digital Trunk Board took the DTC groove position of Digital Trunk Board, described recording Digital Trunk Board also had a speed conversion module.
Described dispatcher master control borad sends the calling and called number information to the digital recording transaction card, digital recording transaction card record and the corresponding calling and called number information of institute's recording slot.
Digital concentrated recording device provided by the present invention has following advantage:
1. by the transmission of digital junction (E1) circuit, long transmission distance is convenient to realize concentrate recording and is monitored;
2. can realize 128 tunnel recording and monitoring, the integrated level height, hardware cost and maintenance cost reduce greatly;
3. adopt the digital recording mode, do not need to carry out from digital to analogy with from the unnecessary conversion of analog to digital, voice quality is good;
4. Lu Yin start and stop are sent out message by mainboard and are finished, and can not judge by accident basically;
By and mainboard between the message communicating passage, can headphone the corresponding calling and called number of recording;
6. adopt big capacity hard disk storage recording file, be convenient to preserve for a long time recorded message.
Description of drawings
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the basic block diagram of digital concentrated recording device provided by the present invention;
Fig. 2 is recording Digital Trunk Board RDTC in this digital concentrated recording device and the theory diagram of digital recording disposable plates DRP.
Embodiment
With reference to shown in Figure 1, this digital concentrated recording device mainly comprises a digital recording transaction card DRC (Digit Record Process Card), is used to finish language data process; A recording Digital Trunk Board RDTC (Record Data Trunk Unit) is used for finishing the voice PCM signal stack of speech channel both direction, and finishes the conversion between PCM signal and the HDB3 sign indicating number; Memory device is used to store digitized recording file.This memory device can be a hard disk, also can be magnetic tape station or Flash etc.
Above-mentioned memory device and digital recording transaction card can be built in the industrial control computer, and are connected in the bus system by the motherboard slot of industrial control computer, finish relevant calculating, work of treatment by the microprocessor in this industrial computer.In addition, general industry control computer all has Ethernet interface and audio interface.Utilize Ethernet interface regularly to dump to recording file in other permanent storage appliance by network; Utilize audio interface to connect audio amplifier, externally playback file.
As shown in Figure 2, recording Digital Trunk Board RDTC is plugged on the digital junction board slot position or general board slot position of scheduling switch, comprising:
The CPU processing module is in order to control figure trunk module and High-Level Data Link Control module HDLC (High Data Link Control) etc.;
Digital trunk moudle is finished the conversion between audio digital signals PCM and the HDB3 sign indicating number;
The HDLC module is finished communicating by letter between recording Digital Trunk Board RDTC and digital recording transaction card and the dispatcher master control borad;
Digital signal processing module DSP finishes the voice PCM signal stack of speech channel both direction;
The speed conversion module when taking digital junction groove position resource, is used for finishing the 8Mbit/s signal that links to each other with master control borad switching network chip and the conversion between the 2Mbit/s signal.
When the recording Digital Trunk Board took one or two universal vat position resources, the PCM signal was 2Mbit/s, need not do speed conversion.At this moment, speed conversion module can be omitted.
Digital recording transaction card DRC is plugged in the pci bus expansion slot of industrial control computer, and links to each other with recording Digital Trunk Board RDTC by digital trunk (E1).It comprises following part:
Digital trunk moudle is finished the conversion between audio digital signals PCM and the HDB3 sign indicating number;
The HDLC module is finished communicating by letter between recording Digital Trunk Board RDTC and the digital recording transaction card;
Digital signal processing module DSP finishes the buffer memory of the string of voice signal and conversion, voice signal;
The pci bus interface module, it is the bridge of microprocessor control DSP, HDLC, digital trunk moudle in the industrial control computer.
In this digital concentrated recording device, recording Digital Trunk Board RDTC is a dispatcher and as the bridge between the digital recording transaction card of recording device.This plate inserts the arbitrary universal vat position (digital subscriber board DSL, Analog Subscriber Line Board ASL can be inserted in the universal vat position) of dispatcher basic subrack or the DTC groove position of arbitrary Digital Trunk Board.By the plucking number sign switch on the plate, can be arranged to 128 the tunnel respectively, take 256 time interval resources in a digital junction groove position (2 8M); Be arranged to 8 the tunnel, take 16 time interval resources of a universal vat position; Be arranged to 16 the tunnel, take 32 time interval resources of two universal vat positions.
When beginning to record, the master control borad of dispatcher to recording Digital Trunk Board RDTC, sends order to two time gas exchange of a certain speech channel to RDTC by HDLC simultaneously, and the DSP of RDTC delivers to some time slots of digital junction to these two voice PCM signal stacks.RDTC sends a message to digital recording transaction card DRC by HDLC, and notice DRC begins a certain time slot of certain bar digital junction is recorded.In addition, when recording, master control borad sends a message to the digital recording transaction card to the calling and called number by HDLC, just can make given figure word formula concentrate recording device to write down the calling and called number information relevant with this section recording simultaneously.
During End of Tape, master control borad is sent out message and is given RDTC and DRC plate, and DRC stops recording, simultaneously master control borad, the corresponding resource of the corresponding release with the DRC plate of RDTC plate.
Digital recording transaction card DRC is plugged on the pci expansion slot of industrial control computer.4 way word relayings are arranged on this card, and every way word relaying has 32 time slots, numbering from 1 to 32.Wherein the 1st time slot is as synchronously, and the 16th time slot is received hdlc controller as the HDLC time slot, and other 30 time slots are received digital signal processor DSP as the voice time slot.Digital signal processor becomes parallel digital signal to the PCM conversion of signals of serial, and is kept in the interior dual port RAM of DSP.When DSP receives the data of certain-length, produce to interrupt telling the CPU of industrial control computer, industrial control computer is read the data in the dual port RAM by pci bus, writes in the corresponding recording file, finishes the process of recording.
In the embodiment shown in fig. 1, because use is the industrial control computer with powerful operational capability,, can set up the database of a storage recording file therefore by being installed in recording, the management of monitor software on the industrial control computer.By this recording file database, can find at an easy rate and the corresponding recording file of a certain speech channel sometime.It is played back by sound card, just realized local recording monitoring.In addition, utilize this database, also can seek the recording file sometime of a certain calling number or a certain called number out and play.
If the phone of far-end or dispatching desk need be monitored a certain section recording, then can utilize this digital concentrated recording device, the corresponding recording file of a certain speech channel is sometime write digital recording transaction card DRC, DSP on the DRC becomes these data serial signal and delivers to dispatcher by a certain time slot of digital junction, and dispatcher specifies a certain phone or the dispatching desk of far-end to monitor.
Industrial control computer in the present embodiment can be substituted by the calculating treatmenting equipment of other type, as PC, notebook etc.Such calculating treatmenting equipment also needs to have Ethernet interface and audio interface except needing microprocessor and storage device.
In addition, the digital trunk (E1) between digital recording transaction card DRC and recording Digital Trunk Board RDTC can also be substituted by transmission equipments such as SDH, can realize the transmission of farther distance like this.
Above the digital concentrated recording device that is used for dispatching communication system of the present invention is had been described in detail.For one of ordinary skill in the art, any conspicuous change of under the prerequisite that does not deviate from connotation of the present invention it being done all will constitute to infringement of patent right of the present invention, with corresponding legal responsibilities.
Claims (8)
1. a recording device that is used for dispatching communication system comprises digital recording transaction card and recording Digital Trunk Board, and described recording Digital Trunk Board is plugged in the dispatcher, and is connected with described digital recording transaction card, it is characterized in that:
Described recording Digital Trunk Board comprises:
The CPU processing module is used to control first digital trunk moudle and the first High-Level Data Link Control module;
First digital trunk moudle is used to finish the conversion between audio digital signals PCM and the HDB3 sign indicating number;
The first High-Level Data Link Control module is used to finish communicating by letter between recording Digital Trunk Board and digital recording transaction card, the dispatcher master control borad;
First digital signal processing module is used to finish the voice PCM signal stack of speech channel both direction;
Described digital recording transaction card comprises:
Second digital trunk moudle is used to finish the conversion between audio digital signals PCM and the HDB3 sign indicating number;
The second High-Level Data Link Control module, communicating by letter between be used to record Digital Trunk Board and the digital recording transaction card;
Second digital signal processing module is used to finish the buffer memory of the string of voice signal and conversion, voice signal;
The pci bus interface module is used to realize and the communicating by letter of the pci bus of computer;
When beginning to record, described dispatcher master control borad arrives described recording Digital Trunk Board to two time gas exchange of a speech channel, send order to described recording Digital Trunk Board by the described first High-Level Data Link Control module simultaneously, described first digital signal processing module superposes two voice PCM signals, deliver to a time slot of digital junction, described recording Digital Trunk Board sends a message to described digital recording transaction card, notifies described digital recording transaction card to begin this time slot of this digital junction is recorded; During End of Tape, described dispatcher master control borad is sent out message and is given described recording Digital Trunk Board and described digital recording transaction card, described digital recording transaction card stops recording, and described dispatcher master control borad, described recording Digital Trunk Board and described digital recording transaction card discharge corresponding resource simultaneously.
2. the recording device that is used for dispatching communication system as claimed in claim 1 is characterized in that:
Described recording device also comprises a storage device, is used for storing recording file;
Described digital recording transaction card is connected with described storage device, transmits the recording file that generates to described storage device.
3. the recording device that is used for dispatching communication system as claimed in claim 1 or 2 is characterized in that:
Described digital recording transaction card is plugged on the pci bus expansion slot of computer, and described storage device is the hard disk of computer, and the bus system by computer between them realizes connecting.
4. the recording device that is used for dispatching communication system as claimed in claim 1 is characterized in that:
Be connected by digital trunk or SDH equipment between described recording Digital Trunk Board and the described digital recording transaction card.
5. the recording device that is used for dispatching communication system as claimed in claim 4 is characterized in that:
Described digital trunk is 4 the tunnel, and every way word relaying has 32 time slots, and wherein the 1st time slot is as synchronously, and the 16th time slot is as the High-Level Data Link Control time slot, and other 30 time slots are as the voice time slot.
6. the recording device that is used for dispatching communication system as claimed in claim 1 is characterized in that:
When described recording Digital Trunk Board took the DTC groove position of Digital Trunk Board, described recording Digital Trunk Board also had a speed conversion module, was used for carrying out the conversion between 8Mbit/s signal and the 2Mbit/s signal.
7. the recording device that is used for dispatching communication system as claimed in claim 1 is characterized in that:
Described dispatcher master control borad sends the calling and called number information to described digital recording transaction card;
Described digital recording transaction card record and the corresponding calling and called number information of institute's recording slot.
8. the recording device that is used for dispatching communication system as claimed in claim 1 is characterized in that:
Described recording Digital Trunk Board is provided with by the plucking number sign switch on the plate, when it is arranged to 128 the tunnel, takies 256 time interval resources of a Digital Trunk Board groove position; When it is arranged to 8 the tunnel, take 16 time interval resources of a universal vat position; When it is arranged to 16 the tunnel, take 32 time interval resources of two universal vat positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610113108A CN101014069B (en) | 2006-09-14 | 2006-09-14 | Recording apparatus for dispatching communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610113108A CN101014069B (en) | 2006-09-14 | 2006-09-14 | Recording apparatus for dispatching communication system |
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| Publication Number | Publication Date |
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| CN101014069A CN101014069A (en) | 2007-08-08 |
| CN101014069B true CN101014069B (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200610113108A Expired - Fee Related CN101014069B (en) | 2006-09-14 | 2006-09-14 | Recording apparatus for dispatching communication system |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710928B (en) * | 2009-10-29 | 2012-04-18 | 北京佳讯飞鸿电气股份有限公司 | Method for centrally recording multi-media dispatcher |
| CN102185990B (en) * | 2011-05-31 | 2013-10-23 | 北京华环电子股份有限公司 | Master-slave digital collinear communication system and communication method thereof |
| CN102905035A (en) * | 2012-09-20 | 2013-01-30 | 北京佳讯飞鸿电气股份有限公司 | Recording and playing back device and corresponding voice scheduling exchange communication system |
| CN103428476A (en) * | 2013-08-14 | 2013-12-04 | 常熟合正企业管理咨询有限公司 | Camera monitoring system |
| CN109408421A (en) * | 2017-08-15 | 2019-03-01 | 上海锆智电子科技有限公司 | A kind of data communication apparatus |
| CN109920438B (en) * | 2017-12-13 | 2021-04-23 | 成都鼎桥通信技术有限公司 | Method for processing talkback signal of private network terminal |
| CN110138952B (en) * | 2019-04-03 | 2021-06-29 | 国网山东省电力公司济宁供电公司 | Intelligent scheduling recording method and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5479498A (en) * | 1990-12-11 | 1995-12-26 | Octel Communications Corporation | Digital line card having universal port for upgrading electronic messaging system |
| US6097794A (en) * | 1993-03-25 | 2000-08-01 | U.S. Robotics Access Corp. | Host computer digital signal processing system for communicating over voice-grade telephone channels |
| CN1402510A (en) * | 2001-08-16 | 2003-03-12 | 华为技术有限公司 | Digital recording system |
-
2006
- 2006-09-14 CN CN200610113108A patent/CN101014069B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5479498A (en) * | 1990-12-11 | 1995-12-26 | Octel Communications Corporation | Digital line card having universal port for upgrading electronic messaging system |
| US6097794A (en) * | 1993-03-25 | 2000-08-01 | U.S. Robotics Access Corp. | Host computer digital signal processing system for communicating over voice-grade telephone channels |
| CN1402510A (en) * | 2001-08-16 | 2003-03-12 | 华为技术有限公司 | Digital recording system |
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| CN101014069A (en) | 2007-08-08 |
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Granted publication date: 20100512 Termination date: 20130914 |