CN107395904B - A kind of distributed call recording method - Google Patents
A kind of distributed call recording method Download PDFInfo
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- CN107395904B CN107395904B CN201710627357.6A CN201710627357A CN107395904B CN 107395904 B CN107395904 B CN 107395904B CN 201710627357 A CN201710627357 A CN 201710627357A CN 107395904 B CN107395904 B CN 107395904B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/42221—Conversation recording systems
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Abstract
The invention discloses a kind of distributed call recording methods, belong to communication scheduling technical field.It is applied to dispatch terminal, prepares record command including sending, sends the call identity information of participant, storaged voice packet caching, audio mixing, sends audio mixing data and send end record command.The method of the present invention can realize that more set recording systems carry out real-time recording to dispatch terminal simultaneously, while hot backup is recorded in realization, it is not necessary to increase additional hardware cost, with high reliablity, fault point is few, feature easy to maintain, is a kind of important improvement to the prior art.
Description
Technical field
The present invention relates to communication scheduling technical fields, particularly relate to a kind of distributed call recording method.
Background technique
Dispatching communication equipment is production scheduling to be provided for enterprise customer, group user or a kind of communication of command and control is set
It is standby.Dispatch terminal can realize that incoming call, exhalation, group exhale, meeting, intrusion, a series of function of voice communication such as toll breakdown.The system is extensive
Applied to the professional dispatching communication such as rail traffic, electric power, coal, petroleum, army, government emergency field.
In use, dispatcher can carry out phone interaction to the superior and the subordinate according to the situation at scene to dispatch terminal, issue
With the control instruction for receiving voice, due to the seriousness of instruction, the calling that all dispatch terminals participate in, which requires, is recorded.At present
Industrial application scene in, dispatch terminal generally accesses in a local network, has doubling recording and network to the recording of dispatch terminal
Recording two ways.Doubling record type limited transmission distance, it is desirable that recording system and the physical distance of dispatch terminal deployment are not
It can be too far；Network recording mostly uses the record type of Port Mirroring at present, and which is when only using a network switch
Recording is realized and is easier, but since dispatch terminal is geographically disposed extensively, to realize that recording is related to more nets completely
It is excessive to will lead to lower deployment cost height, cascade port data amount to the more demanding of the network switch for mirror image between network interchanger
The problems such as.
Summary of the invention
In view of this, the present invention proposes a kind of distributed call recording method, real-time recording, tool can be carried out to call
Have the characteristics that convenient and reliable.
Based on above-mentioned purpose, present invention provide the technical scheme that
A kind of distributed call recording method is applied to dispatch terminal, comprising the following steps:
(1) it is sent when creation calling to third party's recording system and prepares record command；
(2) after establishing call, the identity information of call participant is sent to third party's recording system；
(3) after establishing call, the voice for participating in each side of call is stored in one respectively in the form of voice packet in real time
In individual buffer queue, the voice duration of all voice packets is equal；
(4) in communication process, a voice packet is repeatedly taken out from each buffer queue by timer and carries out audio mixing
Processing, obtains audio mixing data；
(5) in communication process, third party's recording system is sent by audio mixing data；
(6) sending when the call ends to third party's recording system terminates record command.
Optionally, the concrete mode of step (3) are as follows:
(301) outgoing voice that itself is acquired from the machine speech acquisition module, collected outgoing voice is deposited into
In outgoing voice packet buffer queue, while outgoing voice is subjected to coding and is sent to calling opposite end in real time；
(302) the opposite end voice received is decoded, decoded opposite end voice is written to the machine words in real time
Sound playing module, while decoded opposite end voice being stored in and receives language sound buffer queue.
Optionally, in step (4) timer timing length be voice packet voice duration.
Optionally, third party's recording system includes more redundancy sound pick-up outfits.
Optionally, the concrete mode of step (5) are as follows:
(501) audio mixing data are encrypted, obtain encryption audio mixing packet；
(502) third party's recording system is sent by encryption audio mixing packet.
From narration above as can be seen that the beneficial effect of technical solution of the present invention is:
In the method for the present invention, the object recorded is dispatch terminal, and this special-purpose terminal is generally custom terminal, and usually
It will do it batch to dispose, therefore, be modified by the software to dispatch terminal, it is made to support the address configuration of recording system,
And distribute a small amount of memory and do not cached to giving orders or instructions and receiving language cent, then carry out audio mixing and net distribution, so that it may realize call
The function of recording.As it can be seen that this method is applied to dispatch terminal, thus has the characteristics that deployment is convenient, is easily achieved.
In addition, the method for the present invention has, EMS memory occupation and cpu resource occupancy are smaller, can support Xiang Duotai sound pick-up outfit simultaneously
The characteristics of carrying out recording distribution, thus it is easily achieved redundancy recording.
In short, the method for the present invention can realize that more set recording systems carry out real-time recording to dispatch terminal simultaneously, recorded realizing
While sound hot backup, it is not necessary to increase additional hardware cost, there is high reliablity, fault point is few, easy to maintain
Feature is a kind of important improvement to the prior art.
Detailed description of the invention
In order to clearly describe this patent, one or more attached drawing is provided below, these attached drawings are intended to this patent
Background technique, technical principle and/or certain specific embodiments make aid illustration.It should be noted that these attached drawings can
It some have been described and belongs to known in those of ordinary skill in the art often in this patent word segment to provide not providing
The detail of knowledge；Also, because those skilled in the art can combine the published word content of this patent completely
And/or accompanying drawing content, more attached drawings are designed in the case where not paying any creative work, therefore these attached drawings below
All technical solutions that this patent word segment is described can be covered or not cover.In addition, these attached drawings is specific interior
Contain and the word content in conjunction with this patent is needed to be determined, is tied when some in the word content and these attached drawings of this patent is obvious
When structure is not consistent, needing the narration of common knowledge and this patent other parts in conjunction with this field to carry out comprehensive descision on earth is this
There are exist to draw mistake in clerical mistake or attached drawing for the word segment of patent.Particularly, the following drawings is the figure of exemplary in nature
Piece, it is not intended that imply the protection scope of this patent, those skilled in the art are by reference to text disclosed in this patent
Word content and/or accompanying drawing content can design more attached drawings in the case where not paying any creative work, these are new
Technical solution representated by attached drawing is still within the protection scope of this patent.
Fig. 1 is a kind of schematic diagram of the embodiment of the present invention.
Specific embodiment
Understanding for the ease of those skilled in the art to the art of this patent scheme, meanwhile, in order to make the technology of this patent
Purpose, technical scheme and beneficial effects are clearer, and support the protection scope of claims sufficiently, below with tool
The form of body case makes further, more detailed description to the technical solution of this patent.
A kind of distributed call recording method is applied to dispatch terminal, comprising the following steps:
(1) it is sent when creation calling to third party's recording system and prepares record command；
(2) after establishing call, the identity information of call participant is sent to third party's recording system；
(3) after establishing call, the voice for participating in each side of call is stored in one respectively in the form of voice packet in real time
In individual buffer queue, the voice duration of all voice packets is equal；
(4) in communication process, a voice packet is repeatedly taken out from each buffer queue by timer and carries out audio mixing
Processing, obtains audio mixing data；
(5) in communication process, third party's recording system is sent by audio mixing data；
(6) sending when the call ends to third party's recording system terminates record command.
It will be appreciated by those skilled in the art that " repeatedly taking out a voice packet from each buffer queue by timer
Progress stereo process " one is meant that, a particular task is repeatedly carried out every a set time by timer, should
The content of task is the voice packet for being located at queue head to be taken out from current each buffer queue, and carry out to these voice packets
Audio mixing, the voice packet is deleted from queue after taking-up；Queue can use rectilinear alignments, can also use round-robin queue,
It even can be using only there are two the round-robin queue of element, round-robin queue at this time is equivalent to Pingpang Memory.
Furthermore it is noted that each audio mixing data can be immediately sent out after the completion of audio mixing, it can also be right
Each audio mixing data are first encrypted to be issued again, and multiple audio mixing data are packaged into a data after can also postponing a period of time
Packet is sent.
Optionally, the concrete mode of step (3) are as follows:
(301) outgoing voice that itself is acquired from the machine speech acquisition module, collected outgoing voice is deposited into
In outgoing voice packet buffer queue, while outgoing voice is subjected to coding and is sent to calling opposite end in real time；
(302) the opposite end voice received is decoded, decoded opposite end voice is written to the machine words in real time
Sound playing module, while decoded opposite end voice being stored in and receives language sound buffer queue.
Optionally, in step (4) timer timing length be voice packet voice duration.This set can guarantee to mix
The synchronism of sound operation and caching, and the length of buffer queue is kept fixed, i.e., voice is taken out from queue every time
After wrapping and carrying out audio mixing, there is a new voice packet to be added into queue just, if cooperation Pingpang Memory and ping-pong operation,
Memory can greatly be saved.
Optionally, third party's recording system includes more redundancy sound pick-up outfits.More redundancy sound pick-up outfits refer to, audio mixing number
According to more sound pick-up outfits are sent simultaneously to, the redundant storage of audio mixing data is realized.
Optionally, the concrete mode of step (5) are as follows:
(501) audio mixing data are encrypted, obtain encryption audio mixing packet；
(502) third party's recording system is sent by encryption audio mixing packet.
Fig. 1 is a specific example, and calling both sides are according to G.711A format interaction transmitting voice, and every 20ms is sent mutually
1 voice packet, each 20ms voice locally acquired is sent to the other side of calling after coding, while being deposited into outgoing voice
Buffer queue.Each 20ms voice packet of the call peer received is played to local device after treatment, is deposited into simultaneously
Receive language sound buffer queue.It is overtime when each 20ms timer of dispatch terminal, respectively from outgoing voice buffer queue and receipts words
1 20ms seconds voice packet is respectively taken out in speech buffer storage queue, carries out stereo process, is then sent in sequence to specified 1 or more
The distributed recording to dispatch terminal can be realized in a recording system.
As it can be seen that the method for the present invention can realize that more set recording systems carry out real-time recording to dispatch terminal simultaneously, recorded realizing
While sound hot backup, it is not necessary to increase additional hardware cost, there is high reliablity, fault point is few, easy to maintain
Feature is a kind of important improvement to the prior art.
It is to be appreciated that be intended merely to facilitate this field common for the above-mentioned narration for this patent specific embodiment
Technical staff understands this patent scheme and the exemplary description enumerated, does not imply that the protection scope of this patent is limited solely to
In this few example, those of ordinary skill in the art completely can the art of this patent scheme is made fully understand under the premise of,
In the form of not paying any creative work, by taking combination technique feature, replacement to each example cited by this patent
More technical characteristics etc. mode is added in some technical characteristics, obtains more specific embodiments, all these specific implementations
Mode is within the covering scope of patent claims book, and therefore, these new specific embodiments also should be in this patent
Protection scope within.
In addition, this patent may also not enumerate some ordinary specific embodiments for the purpose for simplifying narration, this
A little schemes are that those of ordinary skill in the art can expect naturally after understanding the art of this patent scheme, it is clear that this
A little schemes should also be included within the protection scope of this patent.
For the purpose for simplifying narration, above-mentioned each specific embodiment may only up to for the extent of disclosure of technical detail
The degree that can voluntarily make a decision to those skilled in the art, that is, there is no disclosed technical detail for above-mentioned specific embodiment,
Those of ordinary skill in the art completely can be in the case where not paying any creative work, in filling for the art of this patent scheme
Divide under prompt, by means of textbook, reference book, paper, patent, audio-visual product etc., open source literature is completed, alternatively, this
A little details are the contents that can voluntarily make decision according to the actual situation under being generally understood of those of ordinary skill in the art.
As it can be seen that will not be impacted to the open adequacy of the art of this patent scheme even if these underground technical details.
In short, on the basis of combining explanation effect of the patent specification to claims protection scope, it is any
Fall into the specific embodiment of patent claims book covering scope, within the protection domain of this patent..
Claims (5)
1. a kind of distributed call recording method, which is characterized in that be applied to dispatch terminal, comprising the following steps:
(1) it is sent when creation calling to third party's recording system and prepares record command；
(2) after establishing call, Xiang Suoshu third party's recording system sends the identity information of call participant；
(3) after establishing call, the voice for participating in each side of call is stored in one individually respectively in the form of voice packet in real time
Buffer queue in, the voice duration of all voice packets is equal；
(4) in communication process, a voice packet is repeatedly taken out from each buffer queue by timer and carries out stereo process,
Obtain audio mixing data；
(5) in communication process, third party's recording system is sent by audio mixing data；
(6) sending when the call ends to third party's recording system terminates record command.
2. distributed call recording method according to claim 1, which is characterized in that the specific side of the step (3)
Formula are as follows:
(301) outgoing voice that itself is acquired from the machine speech acquisition module, collected outgoing voice is deposited into and is given orders or instructions
In voice packet buffer queue, while outgoing voice is subjected to coding and is sent to calling opposite end in real time；
(302) the opposite end voice received is decoded, decoded opposite end voice is written to the machine speech in real time and is broadcast
Amplification module, while decoded opposite end voice being stored in and receives language sound buffer queue.
3. distributed call recording method according to claim 1, which is characterized in that timer in the step (4)
Timing length is the voice duration of the voice packet.
4. distributed call recording method according to claim 1, which is characterized in that third party's recording system includes
More redundancy sound pick-up outfits.
5. distributed call recording method according to claim 1, which is characterized in that the concrete mode of the step (5)
Are as follows:
(501) audio mixing data are encrypted, obtain encryption audio mixing packet；
(502) third party's recording system is sent by encryption audio mixing packet.
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3582480B1 (en) | 2017-12-05 | 2021-01-06 | NEC Platforms, Ltd. | Communication device, communication data recording system, communication method, and program |
| CN108174008A (en) * | 2017-12-22 | 2018-06-15 | 天津七二通信广播股份有限公司 | A kind of voice packet storage method for communication speech Transmission system |
| CN114285830A (en) * | 2021-12-21 | 2022-04-05 | 北京百度网讯科技有限公司 | Voice signal processing method and device, electronic equipment and readable storage medium |
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