CN105915522A - Remote high-fidelity voice collection method for digital conference - Google Patents
Remote high-fidelity voice collection method for digital conference Download PDFInfo
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- CN105915522A CN105915522A CN201610246585.4A CN201610246585A CN105915522A CN 105915522 A CN105915522 A CN 105915522A CN 201610246585 A CN201610246585 A CN 201610246585A CN 105915522 A CN105915522 A CN 105915522A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
Abstract
The invention discloses a remote high-fidelity voice collection method for a digital conference, and relates to the technical field of communication. The method comprises the steps that (1), a voice collection device collects voice information, converts the voice information into an audio signal, and transmits the audio signal to an ADC converter for signal conversion; (2), the signal converted by the ADC converter passes through a buffering module and then is transmitted to a voice information processing module; voice information is transmitted to an external storage unit and a voice transmission module after data processing; (3), a voice transmission module enables data to be encrypted by an encryption module A, and then is transmitted to a voice information receiving center through a gateway controller; (4), the voice information receiving center enables the received data to be processed by a decryption module and transmitted to a DAC converter, is transmitted by an audio amplification circuit to a voice play module, and completes a voice collection process. Based on the DSP information processing technology, the method improves the data processing speed, simplifies a collection method, employs a multi-encryption technology, and is high in practicality.
Description
Technical field
The present invention relates to communication technique field, be specifically related to a kind of digital session remote high fidelity speech collection
Method.
Background technology
In today that Science & Society develop rapidly, people occupy and the letter contacted in work at daily life
Breath amount is increasing, and therefore the communication for information between people and communication the most just become more and more frequent, more and more heavier
Want.Commercial negotiation, product demonstration, guest meets with, government decree is assigned etc. is all interpersonal exchange,
Preferably achieve the goal the means------meeting being accomplished by always using with us.
Digital session such a collection computer just, communication, automatically control, multimedia, image, sound equipment
Etc. technology in the meeting affairs automated management system of one.Meeting is reported for work, makes a speech, decides by vote, is imaged by system, sound
The most independent subsystem such as sound, display, network insertion is organically connected integral, by central control computer
Each subsystem work is coordinated according to conference agenda.For various large-scale international conferences, symposium and remotely can
Views etc. provide the most accurate, instant information and service.
Digital session is current state-of-the-art conference system, and it is to utilize computer, numeral and network technology to enter
The each system group network of row, on circuit transmission is digitized signal, not only substantially improve tonequality, improve and be
System reliability, and it has been inherently eliminated interference, distortion, cross-talk and the system of the existence of general conference system not
The defect such as stable.Make each delegate participating in the conference sound that all energy uppick is stable, pure.The operation of system and meeting
The process of view all carries out comprehensively control, and system operation and installation are the simplest.
Chinese Patent Application No. is that CN201110129071.8 discloses a kind of method of collecting voice data in real time, is
System and WMG, wherein, the method is applied to include voice collecting control module, voice transfer module and be positioned at voice
The WMG of the voice acquisition module on carrying transmission terminal, the method includes: voice collecting control module is according to collection
Request selecting voice acquisition module, in voice transfer module, distribution is for receiving the phonetic code that this voice acquisition module sends
The internal interface of stream；The identification information that voice collecting control module sends this internal interface to this voice acquisition module is adopted with this
The acquisition parameter carried in collection request, starts this voice acquisition module；Voice acquisition module gathers language according to this acquisition parameter
Tone code stream, is sent to this internal interface by the speech code stream of collection, and this voice transfer module will receive from this internal interface
Speech code stream be sent to this collection request sender.This invention disclosure satisfy that in ip voice network and adopts speech data
The multiple demand of collection.But the real-time of the voice collecting of this invention is poor, the most true to nature, in signals transmission easily
It is ravesdropping or intercepts, had a strong impact on Information Security.
A kind of data under voice service system is also disclosed additionally, Chinese Patent Application No. is CN201310040998.3
System and method, wherein system includes: harvester, is used for gathering voice collecting data, described voice collecting data is sent out
Deliver to gather service broker；Gather service broker, for receiving the voice collecting data from more than one harvester,
Described voice collecting data are sent to data acquisition server according to the sequencing received；Data acquisition server, uses
In processing from the voice collecting data gathering service broker or store.This invention can reduce answering of harvester
Polygamy and maintenance difficulties, and improve the service quality of harvester.But this invention yet suffers from the voice messaging of collection not
Problem enough true to nature, that real-time is poor.
Summary of the invention
It is an object of the invention to provide the digital session that a kind of method is simple, effect is true to nature, safety is high remote
Distance high fidelity speech acquisition method, to solve the above-mentioned multinomial defect caused in prior art.
A kind of digital session remote high fidelity speech acquisition method, described acquisition method comprises the steps:
(1) voice acquisition device is converted to audio signal after gathering voice messaging, and audio signal is sent to
ADC transducer carries out signal conversion；
(2) signal after ADC transducer is changed is sent to speech signal analysis module by after cache module,
Data are sent respectively to external memory element and voice transfer module by the voice messaging after data process；
(3) voice transfer module is by after encrypted for data modules A encryption, is sent to by gateway controller
Voice messaging receives center；
(4) voice messaging receives after the data received are decrypted modules A process by center and is sent to DAC conversion
Device, and it is sent to voice playing module through audio amplifier circuit, complete voice collecting process.
Preferably, in described step (4), voice messaging receives center and the data received is decrypted modules A
Data storage server it is also sent to after process.
Preferably, the data that described data storage server receives went back warp before being stored in data storage server
Crossing encrypting module B, described data storage server connects cryptographic acess module.
Preferably, described speech signal analysis module is specially a kind of dsp chip processing module.
Preferably, described dsp chip processing module is specially TMS320F2812DSP chip.
Preferably, data processing module, institute it are also associated with between described data storage server and encrypting module B
After stating the voice messaging classified finishing that different people is sent by sound identification module by data processing module, mark respectively
It is designated as multiple different packet, and is written in data storage server.
Preferably, the cache size of described cache module is 4-8G.
The digital session remote high fidelity speech acquisition method of the present invention, based on the DSP information processing technology, improves
Data processing speed during voice collecting, simplifies acquisition method and uses multi-enciphering technology so that
The present invention has preferable using effect, specifically has a following advantage:
(1) data processing speed is fast, can realize transmitting in real time.Based on the DSP information processing technology, compare biography
The common single-chip microcomputer of system, dsp chip abandons von Neumann structure, instead program and the separate Kazakhstan of data
Buddhist structure, thus substantially increase processing speed, instruction cycle nearly 3 orders of magnitude faster than common single-chip microcomputer,
And its digital audio that can carry out various complexity processes in real time, improve the acquisition process ability of audio-frequency information；
(2) method is simple.Only need simple several steps can realize the transmission of remote data, and voice is believed
Number transmission to receiving terminal；
(3) safety is high.Data can encrypted modules A be encrypted before entering gateway controller,
Improve the safety in message transmitting procedure, prevent from being ravesdropping or intercepting；
(4) the data property looked into is high.Speech data can be stored in one during gathering and sending and external deposit
Storage unit, conveniently transfers in the future.
Accompanying drawing explanation
Fig. 1 is the theory diagram of digital session of the present invention remote high fidelity speech acquisition method.
Fig. 2 is data processing module in digital session of the present invention remote high fidelity speech acquisition method
Process the theory diagram of data.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, under
Face combines detailed description of the invention, and the present invention is expanded on further.
As depicted in figs. 1 and 2, a kind of digital session remote high fidelity speech acquisition method, described collection
Method comprises the steps:
(1) voice acquisition device is converted to audio signal after gathering voice messaging, and audio signal is sent to
ADC transducer carries out signal conversion；
(2) signal after ADC transducer is changed is sent to speech signal analysis module by after cache module,
Data are sent respectively to external memory element and voice transfer module by the voice messaging after data process, and pass through
Send the data to external memory element, data can be carried out real-time storage, conveniently call in the future；
(3) voice transfer module is by after encrypted for data modules A encryption, is sent to by gateway controller
Voice messaging receives center, by being encrypted data so that before entering gateway controller, number
According to being effectively protected, it is to avoid be ravesdropping or intercept during network transmits and affect the safety of information
Property；
(4) voice messaging receives after the data received are decrypted modules A process by center and is sent to DAC conversion
Device, and it is sent to voice playing module through audio amplifier circuit, completing voice collecting process, voice messaging receives
The data encrypted before can be decrypted by center through ad hoc deciphering module A, uses the mode of terminal deciphering,
Improve the safety of information.
It should be noted that in described step (4), the data received are decrypted by voice messaging reception center
Modules A is also sent to data storage server after processing, the data that described data storage server receives are in storage
Entering also through encrypting module B before data storage server, described data storage server connects cryptographic acess
Module, on the one hand voice messaging data are stored in collection terminal, on the other hand also are stored in connecing by the method for the present invention
Receiving end, i.e. voice messaging receive this one end, center, and encrypted process, use dual memory and encryption, not only
Meet the memory requirement of information, in case of need, also improve the safety of information simultaneously.
In the present embodiment, described speech signal analysis module is specially a kind of dsp chip processing module, described
Dsp chip processing module is specially TMS320F2812DSP chip, compares traditional common single-chip microcomputer, DSP
Chip abandons von Neumann structure, instead program and the separate Harvard structure of data, thus is greatly improved
Processing speed, instruction cycle nearly 3 orders of magnitude faster than common single-chip microcomputer, and it can carry out various complexity
Digital audio process in real time, improve the acquisition process ability of audio-frequency information.
In the present embodiment, it is also associated with data between described data storage server and encrypting module B and processes mould
Block, after the voice messaging classified finishing that different people is sent by sound identification module by described data processing module,
It is respectively labeled as multiple different packet, and is written in data storage server, by different people is sent
Voice messaging sort out, facilitate and search in the future, saved cost of labor.
In the present embodiment, the cache size of described cache module is 4-8G, and buffer memory capacity is big, is fully able to
Meet and use requirement.
Based on above-mentioned, the digital session remote high fidelity speech acquisition method of the present invention is based on DSP information processing
Technology, improves the data processing speed during voice collecting, simplifies acquisition method and uses multi-enciphering
Technology so that the present invention has preferable using effect, specifically has a following advantage:
(1) data processing speed is fast, can realize transmitting in real time.Based on the DSP information processing technology, compare biography
The common single-chip microcomputer of system, dsp chip abandons von Neumann structure, instead program and the separate Kazakhstan of data
Buddhist structure, thus substantially increase processing speed, instruction cycle nearly 3 orders of magnitude faster than common single-chip microcomputer,
And its digital audio that can carry out various complexity processes in real time, improve the acquisition process ability of audio-frequency information；
(2) method is simple.Only need simple several steps can realize the transmission of remote data, and voice is believed
Number transmission to receiving terminal；
(3) safety is high.Data can encrypted modules A be encrypted before entering gateway controller,
Improve the safety in message transmitting procedure, prevent from being ravesdropping or intercepting；
(4) the data property looked into is high.Speech data can be stored in one during gathering and sending and external deposit
Storage unit, conveniently transfers in the future.
One of ordinary skill in the art will appreciate that all or part of step in said method can be come by program
Instruction related hardware complete, said procedure can be stored in computer-readable recording medium, as read only memory,
Disk or CD etc..Alternatively, all or part of step of above-described embodiment can also use one or more collection
Circuit is become to realize.Correspondingly, each module/unit in above-described embodiment can realize to use the form of hardware,
The form that can also use software function module realizes.The present invention is not restricted to the hardware of any particular form and soft
The combination of part.
As known by the technical knowledge, the present invention can be by other essence without departing from its spirit or essential feature
Embodiment realizes.Therefore, embodiment disclosed above, for each side, all it is merely illustrative,
It is not only.All changes within the scope of the present invention or within being equal to the scope of the present invention are all by this
Bright comprise.
Claims (7)
1. a digital session remote high fidelity speech acquisition method, it is characterised in that described acquisition method
Comprise the steps:
(1) voice acquisition device is converted to audio signal after gathering voice messaging, and audio signal is sent to
ADC transducer carries out signal conversion；
(2) signal after ADC transducer is changed is sent to speech signal analysis module by after cache module,
Data are sent respectively to external memory element and voice transfer module by the voice messaging after data process；
(3) voice transfer module is by after encrypted for data modules A encryption, is sent to by gateway controller
Voice messaging receives center；
(4) voice messaging receives after the data received are decrypted modules A process by center and is sent to DAC conversion
Device, and it is sent to voice playing module through audio amplifier circuit, complete voice collecting process.
Digital session the most according to claim 1 remote high fidelity speech acquisition method, its feature exists
In: in described step (4), voice messaging receives after the data received are decrypted modules A process by center and goes back
It is sent to data storage server.
Digital session the most according to claim 2 remote high fidelity speech acquisition method, its feature exists
In: the data that described data storage server receives also passed through encryption mould before being stored in data storage server
Block B, described data storage server connects cryptographic acess module.
Digital session the most according to claim 1 remote high fidelity speech acquisition method, its feature exists
In: described speech signal analysis module is specially a kind of dsp chip processing module.
Digital session the most according to claim 4 remote high fidelity speech acquisition method, its feature exists
In: described dsp chip processing module is specially TMS320F2812DSP chip.
Digital session the most according to claim 3 remote high fidelity speech acquisition method, its feature exists
In: it is also associated with data processing module between described data storage server and encrypting module B, at described data
After the voice messaging classified finishing that different people is sent by sound identification module by reason module, it is respectively labeled as multiple
Different packets, and be written in data storage server.
7. according to the remote high fidelity speech acquisition method of the digital session according to any one of claim 1-6,
It is characterized in that: the cache size of described cache module is 4-8G.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610246585.4A CN105915522A (en) | 2016-04-20 | 2016-04-20 | Remote high-fidelity voice collection method for digital conference |
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| CN201610246585.4A CN105915522A (en) | 2016-04-20 | 2016-04-20 | Remote high-fidelity voice collection method for digital conference |
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| CN105915522A true CN105915522A (en) | 2016-08-31 |
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| CN201610246585.4A Pending CN105915522A (en) | 2016-04-20 | 2016-04-20 | Remote high-fidelity voice collection method for digital conference |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113593578A (en) * | 2021-09-03 | 2021-11-02 | 北京紫涓科技有限公司 | Conference voice data acquisition method and system |
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Application publication date: 20160831 |
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