CN109873961A - Court's trial data acquisition and processing system - Google Patents
Court's trial data acquisition and processing system Download PDFInfo
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- CN109873961A CN109873961A CN201910145431.XA CN201910145431A CN109873961A CN 109873961 A CN109873961 A CN 109873961A CN 201910145431 A CN201910145431 A CN 201910145431A CN 109873961 A CN109873961 A CN 109873961A
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Abstract
The application provides a kind of court's trial data acquisition and processing system, comprising: at least one first court's trial device and/or at least one second court's trial device；The first court's trial device is arranged in court, for acquiring local audio-video signal via transmission line, and acquires remote audio-video signal by network, then record by the local audio-video signal and remote audio-video signal and/or output is handled；The second court's trial device is arranged in law court's computer room, for acquiring local audio-video signal and remote audio-video signal via network, then record by the local audio-video signal and remote audio-video and/or output is handled.The application can effectively realize the acquisition and processing of the local data in court and teledata, and can effectively improve the timeliness and reliability of the transmission of court's trial data.
Description
Technical field
This application involves technical field of data transmission, and in particular to a kind of court's trial data acquisition and processing system.
Background technique
With science and technology rapid development and social regulation it is improved day by day, the informatization of law court also becomes law court and examines
The effective means of reason is especially acquired and handles to the court's trial data of law court, and important branch can be played to Court business
Support and auxiliary left and right.Therefore, the court's trial data acquisition and processing (DAP) of automation how is realized, it has also become the weight of court's trial ancillary technique
Want one of research topic.
In the prior art, court's trial data acquisition and processing (DAP) technology is generally by the microphone and camera shooting being mounted in court
Head obtains the sound and picture signal at court's trial scene respectively, and these sound and picture signal are broadcast via the display equipment at scene
It releases.
However, with the diversification of evidence demonstration and communication requirements, when the evidence that evidence provider shows is video or sound
It when frequency evidence, is shown after need to putting on record in advance to court by court, but for instantaneity evidence, it only can be by evidence provider certainly
The demonstration of other terminal devices such as body computer can not fully meet timeliness and reliability requirement that evidence is shown；And when needs
When court's trial scene carries out long-range cross-examination or links up, existing court's trial data acquisition and processing (DAP) technology not can guarantee now long-range ditch yet
Logical timeliness.Based on this, there are the data being unable to satisfy in court trial process and pass in existing court's trial data acquisition and processing (DAP) technology
Defeated timeliness and integrity problem.
Summary of the invention
For the problems of the prior art, the application provides a kind of court's trial data acquisition and processing system, can be effectively real
The acquisition and processing of local data and teledata in existing court, and can effectively improve the transmission of court's trial data timeliness and
Reliability.
In order to solve the above technical problems, the application the following technical schemes are provided:
The application provides a kind of court's trial data acquisition and processing system, comprising: at least one first court's trial device and/or extremely
A few second court's trial device；
The first court's trial device is arranged in court, for acquiring local audio-video signal via transmission line, and leads to
Cross network acquisition remote audio-video signal, then by the local audio-video signal and remote audio-video signal record and/
Or output processing；
The second court's trial device is arranged in law court's computer room, for via the local audio-video signal of network acquisition and far
The local audio-video signal and remote audio-video then record and/or output are handled by journey audio-video signal.
Further, the first court's trial device, comprising: the first video signal collection processing module and the first audio signal
Acquisition processing module；
The first video signal collection processing module for acquiring local video signal via video transmission line, and is led to
Cross network acquisition remote video signal, then by the local video signal of acquisition and remote video signal carry out record and/or it is defeated
It handles out；
The first audio signal sample processing module for acquiring local audio signal via audio transmission line, and is led to
Cross network acquisition remote audio signal, then by the local audio signal of acquisition and remote audio signal carry out record and/or it is defeated
It handles out.
Further, the first video signal collection processing module includes:
Primary scene video acquisition unit is set for receiving each video acquisition in the court via SDI transmission line
The field video signal that back-up does not acquire；
First evidence video acquisition unit, it is each in the court for being stored in via the reception of VGA and HDMI transmission line
A video evidence provides the evidence vision signal in equipment；
First long-distance video acquisition unit, for receiving remote video signal via network；
First video decoding unit, for the remote video signal to be decoded.
Further, the first video signal collection processing module includes the first video pre-processing units, further includes the
One video record unit and/or the first video output unit；
First video pre-processing units, for the received field video signal, evidence vision signal or remote
Journey vision signal carries out image scaling and picture synthesis processing；
The first video record unit, for that will believe via image scaling and picture synthesis treated live video
Number, evidence vision signal or remote video signal encoded, then carry out fluidisation and recording processing；
First video output unit, for that will believe via image scaling and picture synthesis treated live video
Number, evidence vision signal or remote video signal export via VGA and HDMI transmission line to video display apparatus.
Further, the first audio signal sample processing module includes:
Primary scene audio collection unit, for receiving each audio collection in the court with shielding line via twin-core
The live audio signal that equipment acquires respectively；
First evidence audio collection unit, for receiving each sound being stored in the court with shielding line via twin-core
Frequency evidence provides the evidence audio signal in equipment；
First remote audio acquisition unit, for receiving remote audio signal via network；
First audio decoding unit, for the remote audio signal to be decoded.
Further, the first audio signal sample processing module includes the first Audio pre-processing unit, further includes the
One audio recording unit and/or the first audio output unit；
First Audio pre-processing unit, for the received live audio signal, evidence audio signal or remote
Journey audio signal carries out echo cancellor and/or stereo process；
The first audio recording unit, for by via after echo cancellor and/or stereo process live audio signal,
Evidence audio signal or remote audio signal are encoded, and fluidisation and recording processing are then carried out；
First audio output unit, for by via after echo cancellor and/or stereo process live audio signal,
Evidence audio signal or remote audio signal are exported in a manner of circuit output to audio display device.
Further, the second court's trial device, comprising: the second video signal collection processing module and the second audio signal
Acquisition processing module；
The second video signal collection processing module, for acquiring local video signal and long-range view respectively via network
Frequency signal, and the local video signal is encoded, then the local after the remote video signal of acquisition and coding is regarded
Frequency signal record and/or output is handled；
The second audio signal sample processing module, for acquiring local audio signal and long-range sound respectively via network
Frequency signal, and the local audio signal is encoded, then by this rock noise after the remote audio signal of acquisition and number
Frequency signal record and/or output is handled.
Further, the second video signal collection processing module includes:
Secondary scene video acquisition unit, the scene for being acquired respectively to each video capture device in the court
Vision signal is encoded, and the field video signal after coding is received via network；
Second evidence video acquisition unit, the evidence for providing each video evidence in the court in equipment regard
Frequency signal is encoded, and the evidence vision signal after coding is received via network；
Second long-distance video acquisition unit, for receiving remote video signal via network；
Second video decoding unit, for the field video signal, evidence vision signal and remote video signal point
It is not decoded.
Further, the second video signal collection processing module includes the second video pre-processing units, further includes the
Two video record units and/or the second video output unit；
Second video pre-processing units, for the received field video signal, evidence vision signal or remote
Journey vision signal carries out image scaling and picture synthesis processing；
The second video record unit, for that will believe via image scaling and picture synthesis treated live video
Number, evidence vision signal or remote video signal encoded, then carry out fluidisation and recording processing；
Second video output unit, for that will believe via image scaling and picture synthesis treated live video
Number, evidence vision signal or remote video signal export via network to video display apparatus.
Further, the second audio signal sample processing module includes:
Secondary scene audio collection unit, the scene for being acquired respectively to each audio collecting device in the court
Audio signal is encoded, and the live audio signal after coding is received via network；
Second evidence audio collection unit, for providing each audio evidence in the court evidence sound in equipment
Frequency signal is encoded, and the evidence audio signal after coding is received via network；
Second remote audio acquisition unit, for receiving remote audio signal via network；
Second audio decoding unit, for the live audio signal, evidence audio signal and remote audio signal point
It is not decoded.
Further, the second audio signal sample processing module includes the second Audio pre-processing unit, further includes the
Two audio recording units and/or the second audio output unit；
Second Audio pre-processing unit, for the received live audio signal, evidence audio signal or remote
Journey audio signal carries out echo cancellor and/or stereo process；
The second audio recording unit, for by via after echo cancellor and/or stereo process live audio signal,
Evidence audio signal or remote audio signal are encoded, and fluidisation and recording processing are then carried out；
Second audio output unit, for by via after echo cancellor and/or stereo process live audio signal,
Evidence audio signal or audio signal are exported via network to audio display device.
As shown from the above technical solution, the application provides a kind of court's trial data acquisition and processing system, comprising: at least one
First court's trial device and/or at least one second court's trial device；The first court's trial device is arranged in court, for via
Transmission line acquires local audio-video signal, and acquires remote audio-video signal by network, then believes the local audio-video
Number and remote audio-video signal carry out record and/or output processing；The second court's trial device is arranged in law court's computer room, uses
In acquiring local audio-video signal and remote audio-video signal via network, then by the local audio-video signal and long-range sound
Video record and/or output is handled, and can effectively realize the acquisition and processing of the local data in court and teledata,
And the timeliness of data transmission can be effectively improved, and the high reliablity of data acquisition and processing (DAP) process, and then can effectively mention
The delivery efficiency of high court's trial data.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the application
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the configuration diagram of the court's trial data acquisition and processing system in the embodiment of the present application.
Fig. 2 is the first citing structural schematic diagram of the court's trial data acquisition and processing system in the embodiment of the present application.
Fig. 3 is second of citing structural schematic diagram of the court's trial data acquisition and processing system in the embodiment of the present application.
Fig. 4 is the third citing structural schematic diagram of the court's trial data acquisition and processing system in the embodiment of the present application.
Fig. 5 is the structural representation of the first court's trial device in the court's trial data acquisition and processing system in the embodiment of the present application
Figure.
Fig. 6 is that the first video signal collection in the court's trial data acquisition and processing system in the embodiment of the present application handles mould
The configuration diagram of block.
Fig. 7 is that the first video signal collection in the court's trial data acquisition and processing system in the embodiment of the present application handles mould
The citing structural schematic diagram of block.
Fig. 8 is that the first audio signal sample in the court's trial data acquisition and processing system in the embodiment of the present application handles mould
The configuration diagram of block.
Fig. 9 is that the first audio signal sample in the court's trial data acquisition and processing system in the embodiment of the present application handles mould
The citing structural schematic diagram of block.
Figure 10 is that the structure of the second court's trial device in the court's trial data acquisition and processing system in the embodiment of the present application is shown
It is intended to.
Figure 11 is the second video signal collection processing in the court's trial data acquisition and processing system in the embodiment of the present application
The configuration diagram of module.
Figure 12 is the second video signal collection processing in the court's trial data acquisition and processing system in the embodiment of the present application
The citing structural schematic diagram of module.
Figure 13 is the second audio signal sample processing in the court's trial data acquisition and processing system in the embodiment of the present application
The configuration diagram of module.
Figure 14 is the second audio signal sample processing in the court's trial data acquisition and processing system in the embodiment of the present application
The citing structural schematic diagram of module.
Drawing reference numeral:
100, the first court's trial device；
110, the first video signal collection processing module；
111, primary scene video acquisition unit；
112, the first evidence video acquisition unit；
113, the first long-distance video acquisition unit；
114, the first video decoding unit；
115, the first video pre-processing units；
116, the first video record unit；
117, the first video output unit；
120, the first audio signal sample processing module；
121, primary scene audio collection unit；
122, the first evidence audio collection unit；
123, the first remote audio acquisition unit；
124, the first audio decoding unit；
125, the first Audio pre-processing unit；
126, the first audio recording unit；
127, the first audio output unit；
200, the second court's trial device；
210, the second video signal collection processing module；
211, secondary scene video acquisition unit；
212, the second evidence video acquisition unit；
213, the second long-distance video acquisition unit；
214, the second video decoding unit；
215, the second video pre-processing units；
216, the second video record unit；
217, the second video output unit；
220, the second audio signal sample processing module；
221, secondary scene audio collection unit；
222, the second evidence audio collection unit；
223, the second remote audio acquisition unit；
224, the second audio decoding unit；
225, the second Audio pre-processing unit；
226, the second audio recording unit；
227, the second audio output unit.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, technical solutions in the embodiments of the present application carries out clear, complete description, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.
When there is the data being unable to satisfy in court trial process transmission in view of existing court's trial data acquisition and processing (DAP) technology
The problem of effect property and reliability, the application provides a kind of court's trial data acquisition and processing system, which includes at least one
First court's trial device 100 and/or at least one second court's trial device 200；The first court's trial device 100 is arranged in court
, for acquiring local audio-video signal via transmission line, and remote audio-video signal is acquired by network, then by described
Ground audio-video signal and remote audio-video signal record and/or output is handled；The second court's trial device 200 is arranged in method
In institute's computer room, for acquiring local audio-video signal and remote audio-video signal via network, then described rock noise is regarded
Frequency signal and remote audio-video record and/or output is handled, and can effectively realize local data and long-range number in court
According to acquisition and processing, and the timeliness of data transmission can be effectively improved, and the high reliablity of data acquisition and processing (DAP) process,
And then the delivery efficiency of court's trial data can be effectively improved.
In one or more embodiments of the application, H.264 image encoding and decoding technique and AAC audio splice yard technology
Occur so that the application of court's trial device extends to record and play field from simple evidence image displaying.Currently, with local
Audio-video access court's trial device carries out recording and picture synthetic recording has become the mainstream technology scheme of court's trial device.But it is very
Significantly the disadvantage is that needing a large amount of audio video transmission cable during comprehensive wiring, there is cable during use can
The risk guaranteed for a long time is difficult to by property.
In one or more embodiments of the application, Dante audio transmission techniques had been applied at present concert,
The fields such as cinema, video conference.It enables lot of audio signals to pass through network transmission.Its easy to use and extension side
Just the characteristics of, has also obtained the favorable comment of users.
In one or more embodiments of the application, with the appearance of H.265 image encoding and decoding technique, low code stream transmission
High-definition image becomes a reality.Therefore, it in narrow bandwidth and needs the site of deployment of high-definition image H.265 encoding and decoding just becomes first
Choosing.
In one or more embodiments of the application, court's trial data packet during containing court's trial generated video data and
Audio data, also include for during court's trial show or prove prestore video data and audio data, can also include
During court's trial, the remote video data and audio data that need to be communicated with court.
In order to effectively realize the acquisition and processing of the local data in court and teledata, and can effectively improve
The timeliness and reliability of court's trial data transmission, the application provide a kind of embodiment of court's trial data acquisition and processing system, join
See Fig. 1, the court's trial data acquisition and processing system specifically includes following content:
At least one first court's trial device 100 and/or at least one second court's trial device 200, the first court's trial device
100 are arranged in court, for acquiring local audio-video signal via transmission line, and acquire remote audio-video letter by network
Number, then the local audio-video signal and remote audio-video signal record and/or output is handled；Second court's trial
Device 200 is arranged in law court's computer room, for acquiring local audio-video signal and remote audio-video signal via network, then
The local audio-video signal and remote audio-video record and/or output is handled.
It is understood that can only include at least one first court's trial in the court's trial data acquisition and processing system
Device 100, such as: multiple first court's trial devices 100 are separately positioned on the court's trial scene of three courts in first law court, ginseng
See Fig. 2.
It can also only include at least one second court's trial device 200, example in the court's trial data acquisition and processing system
Such as: multiple second court's trial devices 200 are separately positioned in two computer rooms in a law court, referring to Fig. 3.
It also can wrap in the court's trial data acquisition and processing system containing at least one the first court's trial device 100 and at least
One the second court's trial device 200, such as: two the first court's trial devices 100 and a second court's trial device 200 are separately positioned on
In the court's trial scene of Liang Ge court in one law court and a computer room, referring to fig. 4.
As can be seen from the above description, a kind of court's trial data acquisition and processing system provided by the embodiments of the present application, it can be effective
It realizes the acquisition and processing of the local data and teledata in court, and the timeliness of data transmission can be effectively improved, and
The high reliablity of data acquisition and processing (DAP) process, and then the delivery efficiency of court's trial data can be effectively improved.
It is understood that the first court's trial device 100 and the second court's trial device 200 all can be a kind of data processings
Device can be made of data acquisition chip or circuit and data processing chip and circuit etc..Especially by following embodiments point
It is not illustrated:
First, in order to further increase the timeliness of the acquisition of the local data in court and teledata and processing
And reliability, referring to Fig. 5, the first court's trial device 100 specifically includes following content:
First video signal collection processing module 110 and the first audio signal sample processing module 120.
In a kind of concrete example of first court's trial device 100, when the first court's trial device 100 is deployed in court, relate to
And the acquisition to a variety of audio-video signals.Method platform, plaintiff, defendant's seat, the panorama of court are taken the photograph by 3G_SDI transmission cable
As head signal is transferred to the device.By VGA, HDMI cable by the evidence vision signal of former defendant's seat and clerk seat
Notes video signal transmission to the device.By twin-core with shielded cable by method platform, plaintiff, defendant's seat, clerk seat
The route audio signal transmission of the equipment such as the PC machine or mobile phone recording pen at the audio signal of microphone and each seat is to the dress
It sets.Simultaneously, moreover it is possible to which remotely bringing before the court, remotely for cubic remote dialogue is supported to realize by audio/video decoding and echo cancellation process
The business demand of the law courts such as Parole.It is described as follows:
(1) the first video signal collection processing module 110, for via video transmission line acquisition local video letter
Number, and remote video signal is acquired by network, then the local video signal of acquisition and remote video signal are recorded
And/or output processing.Referring to Fig. 6, the first video signal collection processing module 110 specifically includes following content:
Primary scene video acquisition unit 111, for receiving each video acquisition in the court via SDI transmission line
The field video signal that equipment acquires respectively, for example, the primary scene video acquisition unit 111 can be SDI acquisition chip.
Wherein, the video capture device be separately positioned on where method platform, place, defendant where plaintiff at, at suspect place and be used for
It shoots in court at the position of panorama.
First evidence video acquisition unit 112, for being stored in the court via the reception of VGA and HDMI transmission line
Each video evidence provides the evidence vision signal in equipment, for example, the first evidence video acquisition unit 112 can be
VGA/HDMI acquisition chip.Wherein, it includes clerk's terminal device, plaintiff's terminal device, quilt that the video evidence, which provides equipment,
Come to an end end equipment, DVD device and platform equipment.
First long-distance video acquisition unit 113, for receiving remote video signal, first long-distance video via network
Acquisition unit 113 can be rtsp and H323 client terminal.
First video decoding unit 114, for the remote video signal to be decoded.
First video pre-processing units 115, for the received field video signal, evidence vision signal or long-range
Vision signal carries out image scaling and picture synthesis processing.
The first video signal collection processing module 110 can also include the first video record unit 116 and first
At least one of video output unit 117, specifically:
The first video record unit 116, for will be via image scaling and picture synthesis treated live video
Signal, evidence vision signal or remote video signal are encoded, and fluidisation and recording processing are then carried out；
First video output unit 117, for will be via image scaling and picture synthesis treated live video
Signal, evidence vision signal or remote video signal are exported via VGA and HDMI transmission line to video display apparatus.
In a kind of concrete application citing of first video signal collection processing module 110, referring to Fig. 7, first view
Frequency signal acquisition process module 110 flows to receive and receive by H323 terminal module by rtsp to be believed come the long-distance video of automatic network
Number for decoding, pass through the vision signal outside built-in video acquisition conversion circuit acquisition.Received video is carried out again to reduce
Amplification, the processing such as picture synthesis, Hi264 compressed encoding, rtsp fluidisation, rtmp fluidisation, recording.
(2) the first audio signal sample processing module 120, for via audio transmission line acquisition local audio letter
Number, and remote audio signal is acquired by network, then the local audio signal of acquisition and remote audio signal are recorded
And/or output processing.Referring to Fig. 8, the first audio signal sample processing module 120 specifically includes following content:
Primary scene audio collection unit 121, for receiving each audio in the court with shielding line via twin-core
The live audio signal that acquisition equipment acquires respectively；
First evidence audio collection unit 122, it is each in the court for being stored in via twin-core with shielding line reception
A audio evidence provides the evidence audio signal in equipment；
First remote audio acquisition unit 123, for receiving remote audio signal via network；
First audio decoding unit 124, for the remote audio signal to be decoded.
First Audio pre-processing unit 125, for the received live audio signal, evidence audio signal or long-range
Audio signal carries out echo cancellor and/or stereo process；
The first audio signal sample processing module 120 can also include the first audio recording unit 126 and first
At least one of audio output unit 127, is described as follows:
The first audio recording unit 126, for will believe via the live audio after echo cancellor and/or stereo process
Number, evidence audio signal or remote audio signal encoded, then carry out fluidisation and recording processing；
First audio output unit 127, for will believe via the live audio after echo cancellor and/or stereo process
Number, evidence audio signal or remote audio signal export in a manner of circuit output to audio display device.
In a kind of concrete application citing of first audio signal sample processing module 120, referring to Fig. 9, first sound
The device of frequency signal acquisition process module 120 is flowed by rtsp to be received and is received by H323 terminal module come the long-range of automatic network
Audio signal is for decoding, by built-in audio collection conversion circuit by the audio signal outside acquiring.Progress noise suppressed,
Volume adjustment, echo cancellor etc. processing after, then by audio signal by cable transmission to stereo set be used for public address and AAC volume
Code, pcm encoder, the processing such as rtsp fluidisation, rtmp fluidisation, recording.
Second, in order to realize preservation and backup of the court's trial device to court's trial data in law court's computer room, further to mention
The timeliness and reliability of acquisition and the processing of high local data and teledata, referring to Figure 10, the second court's trial device
200 include specifically following content:
Second video signal collection processing module 210 and the second audio signal sample processing module 220.
In a kind of concrete example of second court's trial device 200, when the second court's trial device 200 is deployed in law court's computer room
Relate equally to the acquisition of a variety of audio-video signals.But transmission plan is with the transmission side data of above-mentioned first court's trial device 100
Formula is entirely different.All audio-video signals pass through network transmission.The transmission of video needs each access point to be believed
Or H.265 number H.264 coding and rtsp fluidisation.In order to which the simplicity camera of system generally chooses IPCAM, TV and shows
Show that device generally chooses Android TV substitution.Audio transmission Scheme Choice dante scheme, for the purposes of the simplicity of system, method
The microphone and sound equipment of dante agreement are supported in microphone and the speaker selection in front yard.IPCAM, Android electricity on the market at present
Have much depending on, dante microphone and dante sound equipment, this programme, which is not done, excessively to be repeated.
(1) the second video signal collection processing module 210, for acquiring local video signal respectively via network
And remote video signal, and the local video signal is encoded, it then will be after the remote video signal of acquisition and coding
Local video signal carry out record and/or output processing.Referring to Figure 11, the second video signal collection processing module 210
Include specifically following content:
Secondary scene video acquisition unit 211, for what is acquired respectively to each video capture device in the court
Field video signal is encoded, and the field video signal after coding is received via network；
Second evidence video acquisition unit 212, for providing each video evidence in the court card in equipment
It is encoded according to vision signal, and receives the evidence vision signal after coding via network；
Second long-distance video acquisition unit 213, for receiving remote video signal via network；
Second video decoding unit 214, for the field video signal, evidence vision signal and remote video signal
It is decoded respectively.
Second video pre-processing units 215, for the received field video signal, evidence vision signal or long-range
Vision signal carries out image scaling and picture synthesis processing；
The second video signal collection processing module 210 also includes the second video record unit 216 and the second video
At least one of output unit 217, is described as follows:
The second video record unit 216, for will be via image scaling and picture synthesis treated live video
Signal, evidence vision signal or remote video signal are encoded, and fluidisation and recording processing are then carried out；
Second video output unit 217, for will be via image scaling and picture synthesis treated live video
Signal, evidence vision signal or remote video signal are exported via network to video display apparatus.
In a kind of concrete application citing of second video signal collection processing module 210, referring to Figure 12, second video
Signal acquisition process module 210 is flowed by rtsp to be received and receives the long-distance video from external network by H323 terminal module
Signal flows the vision signal of the camera and evidence incoming end that receive court by rtsp for decoding.It carries out being received again
Video reduces amplification, the processing such as picture synthesis, Hi264 compressed encoding, rtsp fluidisation, rtmp fluidisation, recording.
(2) the second audio signal sample processing module 220, for acquiring local audio signal respectively via network
And remote audio signal, and the local audio signal is encoded, it then will be after the remote audio signal of acquisition and number
Local audio signal carry out record and/or output processing.Referring to Figure 13, the second audio signal sample processing module 220
Include specifically following content:
Secondary scene audio collection unit 221, for what is acquired respectively to each audio collecting device in the court
Live audio signal is encoded, and the live audio signal after coding is received via network；
Second evidence audio collection unit 222, for providing each audio evidence in the court card in equipment
It is encoded according to audio signal, and receives the evidence audio signal after coding via network；
Second remote audio acquisition unit 223, for receiving remote audio signal via network；
Second audio decoding unit 224, for the live audio signal, evidence audio signal and remote audio signal
It is decoded respectively.
Second Audio pre-processing unit 225, for the received live audio signal, evidence audio signal or long-range
Audio signal carries out echo cancellor and/or stereo process；
The second audio signal sample processing module 220 also specifically includes the second audio recording unit 226 and second
At least one of audio output unit 227, specific as follows:
The second audio recording unit 226, for will believe via the live audio after echo cancellor and/or stereo process
Number, evidence audio signal or remote audio signal encoded, then carry out fluidisation and recording processing；
Second audio output unit 227, for will believe via the live audio after echo cancellor and/or stereo process
Number, evidence audio signal or audio signal export via network to audio display device.
In a kind of concrete application citing of second audio signal sample processing module 220, referring to Figure 14, which passes through
Real time streaming transport protocol rtsp (Real Time Streaming Protocol) stream receives and passes through audio video transmission agreement
H323 terminal module receives the remote audio signal for carrying out automatic network for decoding, and will be adopted by built-in audio collection conversion circuit
Audio signal outside collection.After carrying out noise suppressed, volume adjustment, the processing such as echo cancellor, then audio signal passed through into cable
Stereo set is transferred to for public address and AAC coding, pcm encoder, rtsp fluidisation, real-time messages transport protocol rtmp (Real
Time Messaging Protocol) fluidisation, record etc. processing.
In addition, when choosing core codec chip, model sea can be chosen and think the chip of Hi3536 as decoding chip,
The characteristics of making full use of it while 16 tunnels being supported H.264/H.265 to decode with 1 road high definition video collecting, while type can also be chosen
Number the chip of Hi3531A is thought as video core acquisition chip, to realize 8 road high definition video collectings, while above-mentioned two for sea
Master chip is connected with Ethernet by bus interface PCI-E and realizes data sharing.Using based on Digital Audio Transmission technology Dante
The module that sends and receivees can choose the expansion card of model Dante-MY16-AUD to realize audio transmission.
To sum up, the embodiment of the present application provides a kind of in the high-definition multimedia court's trial device scheme that can be compatible with front and back deployment.
Front and back deployment can be compatible with and refer to that the device can be deployed in realization court's camera and court's audio-video signal in court
Access, while can will be deployed in law court's computer room and realize by way of network transmission the access of court's audio-video signal again.
Based on above content, the application also provides a kind of court's trial realized using above-mentioned court's trial data acquisition and processing system
Data acquisition and processing method, specifically include following content:
S1: local audio-video signal is acquired via transmission line, and remote audio-video signal is acquired by network, then by institute
It states local audio-video signal and remote audio-video signal record and/or output is handled, and/or；
S2: acquiring local audio-video signal and remote audio-video signal via network, then believes the local audio-video
Number and remote audio-video carry out record and/or output processing.
First, S1 specifically includes following content:
S11: local video signal is acquired via video transmission line, and remote video signal is acquired by network, then will
The local video signal and remote video signal of acquisition record and/or output is handled.
S12: local audio signal is acquired via audio transmission line, and remote audio signal is acquired by network, then will
The local audio signal and remote audio signal of acquisition record and/or output is handled.
It is understood that the S11 specifically includes following content:
S11-1: via described in the reception of digital component serial line interface SDI (serial digital interface) transmission line
The field video signal that each video capture device in court acquires respectively；
S11-2: via video transmission standard VGA (Video Graphics Array) interface and high-definition media interface
HDMI (High Definition Multimedia Interface) transmission line receives each view being stored in the court
Frequency evidence provides the evidence vision signal in equipment；
S11-3: remote video signal is received via network；
S11-4: the remote video signal is decoded.
S11-5: image scaling is carried out to the received field video signal, evidence vision signal or remote video signal
And picture synthesis processing；
S11-6: will be via image scaling and picture synthesis treated field video signal, evidence vision signal or long-range
Vision signal is encoded, and fluidisation and recording processing are then carried out；
S11-7: will be via image scaling and picture synthesis treated field video signal, evidence vision signal or long-range
Vision signal is exported via VGA and HDMI transmission line to video display apparatus.
It is understood that the S12 specifically includes following content:
S12-1: the scene that each audio collecting device in the court acquires respectively is received with shielding line via twin-core
Audio signal；
S12-2: each audio evidence being stored in the court is received with shielding line via twin-core and is provided in equipment
Evidence audio signal；
S12-3: remote audio signal is received via network；
S12-4: the remote audio signal is decoded.
S12-5: echo cancellor is carried out to the received live audio signal, evidence audio signal or remote audio signal
And/or stereo process；
S12-6: will be via the live audio signal after echo cancellor and/or stereo process, evidence audio signal or long-range
Audio signal is encoded, and fluidisation and recording processing are then carried out；
S12-7: will be via the live audio signal after echo cancellor and/or stereo process, evidence audio signal or long-range
Audio signal is exported in a manner of circuit output to audio display device.
Second, S2 specifically includes following content:
S21: acquiring local video signal and remote video signal via network respectively, and to the local video signal into
Local video signal after the remote video signal of acquisition and coding then record and/or output is handled by row coding；
S22: acquiring local audio signal and remote audio signal via network respectively, and to the local audio signal into
Local audio signal after the remote audio signal of acquisition and number then record and/or output is handled by row coding.
It is understood that the S21 specifically includes following content:
S21-1: the field video signal acquired respectively to each video capture device in the court encodes, and
Field video signal after receiving coding via network；
S21-2: the evidence vision signal in equipment is provided to each video evidence in the court and is encoded, and is passed through
Evidence vision signal after receiving coding by network；
S21-3: remote video signal is received via network；
S21-4: the field video signal, evidence vision signal and remote video signal are decoded respectively.
S21-5: image scaling is carried out to the received field video signal, evidence vision signal or remote video signal
And picture synthesis processing；
S21-6: will be via image scaling and picture synthesis treated field video signal, evidence vision signal or long-range
Vision signal is encoded, and fluidisation and recording processing are then carried out；
S21-7: will be via image scaling and picture synthesis treated field video signal, evidence vision signal or long-range
Vision signal is exported via network to video display apparatus.
It is understood that the S22 specifically includes following content:
S22-1: the live audio signal acquired respectively to each audio collecting device in the court encodes, and
Live audio signal after receiving coding via network；
S22-2: the evidence audio signal in equipment is provided to each audio evidence in the court and is encoded, and is passed through
Evidence audio signal after receiving coding by network；
S22-3: remote audio signal is received via network；
S22-4: the live audio signal, evidence audio signal and remote audio signal are decoded respectively.
S22-5: echo cancellor is carried out to the received live audio signal, evidence audio signal or remote audio signal
And/or stereo process；
S22-6: will be via the live audio signal after echo cancellor and/or stereo process, evidence audio signal or long-range
Audio signal is encoded, and fluidisation and recording processing are then carried out；
S22-7: will be via live audio signal, evidence audio signal or the audio after echo cancellor and/or stereo process
Signal is exported via network to audio display device.
As can be seen from the above description, a kind of court's trial data acquisition provided by the embodiments of the present application and processing method, it can be effective
It realizes the acquisition and processing of the local data and teledata in court, and the timeliness of data transmission can be effectively improved, and
The high reliablity of data acquisition and processing (DAP) process, and then the delivery efficiency of court's trial data can be effectively improved.
Embodiments herein also provides complete in the acquisition of court's trial data and the processing method that can be realized in above-described embodiment
The specific embodiment of a kind of electronic equipment of portion's step, the electronic equipment specifically include following content:
Processor (processor), memory (memory), communication interface (Communications Interface) and
Bus；
Wherein, the processor, memory, communication interface complete mutual communication by the bus；The communication
Interface for realizing in court's trial data acquisition and processing system, court each terminal device, each remote terminal equipment and
Other participate in the information transmission between mechanism；
The processor is used to call the computer program in the memory, and the processor executes the computer journey
The court's trial data acquisition in above-described embodiment and the Overall Steps in processing method are realized when sequence, for example, the processor executes
Following step is realized when the computer program:
S1: local audio-video signal is acquired via transmission line, and remote audio-video signal is acquired by network, then by institute
It states local audio-video signal and remote audio-video signal record and/or output is handled, and/or；
S2: acquiring local audio-video signal and remote audio-video signal via network, then believes the local audio-video
Number and remote audio-video carry out record and/or output processing.
As can be seen from the above description, electronic equipment provided by the embodiments of the present application, can effectively realize the local number in court
According to the acquisition and processing with teledata, and the timeliness of data transmission can be effectively improved, and data acquisition and processing (DAP) process
High reliablity, and then the delivery efficiency of court's trial data can be effectively improved.
Embodiments herein also provides complete in the acquisition of court's trial data and the processing method that can be realized in above-described embodiment
A kind of computer readable storage medium of portion's step is stored with computer program on the computer readable storage medium, the meter
Calculation machine program realizes the Overall Steps of the acquisition of the court's trial data in above-described embodiment and processing method, example when being executed by processor
Such as, following step is realized when the processor executes the computer program:
S1: local audio-video signal is acquired via transmission line, and remote audio-video signal is acquired by network, then by institute
It states local audio-video signal and remote audio-video signal record and/or output is handled, and/or；
S2: acquiring local audio-video signal and remote audio-video signal via network, then believes the local audio-video
Number and remote audio-video carry out record and/or output processing.
As can be seen from the above description, computer readable storage medium provided by the embodiments of the present application, can effectively realize court
The acquisition and processing of interior local data and teledata, and the timeliness of data transmission can be effectively improved, and data acquire
With the high reliablity for the treatment of process, and then the delivery efficiency of court's trial data can be effectively improved.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for hardware+
For program class embodiment, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to side
The part of method embodiment illustrates.
It is above-mentioned that this specification specific embodiment is described.Other embodiments are in the scope of the appended claims
It is interior.In some cases, the movement recorded in detail in the claims or step can be come according to the sequence being different from embodiment
It executes and desired result still may be implemented.In addition, process depicted in the drawing not necessarily require show it is specific suitable
Sequence or consecutive order are just able to achieve desired result.In some embodiments, multitasking and parallel processing be also can
With or may be advantageous.
Although this application provides the method operating procedure as described in embodiment or flow chart, based on conventional or noninvasive
The labour for the property made may include more or less operating procedure.The step of enumerating in embodiment sequence is only numerous steps
One of execution sequence mode, does not represent and unique executes sequence.It, can when device or client production in practice executes
To execute or parallel execute (such as at parallel processor or multithreading according to embodiment or method shown in the drawings sequence
The environment of reason).
System, device, module or the unit that above-described embodiment illustrates can specifically realize by computer chip or entity,
Or it is realized by the product with certain function.It is a kind of typically to realize that equipment is computer.Specifically, computer for example may be used
Think personal computer, laptop computer, vehicle-mounted human-computer interaction device, cellular phone, camera phone, smart phone, individual
Digital assistants, media player, navigation equipment, electronic mail equipment, game console, tablet computer, wearable device or
The combination of any equipment in these equipment of person.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
In a typical configuration, calculating equipment includes one or more processors (CPU), input/output interface, net
Network interface and memory.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer readable instructions, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or other magnetic storage devices
Or any other non-transmission medium, can be used for storage can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include temporary computer readable media (transitory media), such as the data-signal and carrier wave of modulation.
It will be understood by those skilled in the art that the embodiment of this specification can provide as the production of method, system or computer program
Product.Therefore, in terms of this specification embodiment can be used complete hardware embodiment, complete software embodiment or combine software and hardware
Embodiment form.
This specification embodiment can describe in the general context of computer-executable instructions executed by a computer,
Such as program module.Generally, program module includes routines performing specific tasks or implementing specific abstract data types, journey
Sequence, object, component, data structure etc..This specification embodiment can also be practiced in a distributed computing environment, in these points
Cloth calculates in environment, by executing task by the connected remote processing devices of communication network.In distributed computing ring
In border, program module can be located in the local and remote computer storage media including storage equipment.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality
For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method
Part explanation.In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ",
The description of " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, structure, material
Or feature is contained at least one embodiment or example of this specification embodiment.In the present specification, to above-mentioned term
Schematic representation be necessarily directed to identical embodiment or example.Moreover, description specific features, structure, material or
Person's feature may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, in not conflicting feelings
Under condition, those skilled in the art by different embodiments or examples described in this specification and different embodiment or can show
The feature of example is combined.
The foregoing is merely the embodiments of this specification, are not limited to this specification embodiment.For ability
For field technique personnel, this specification embodiment can have various modifications and variations.It is all this specification embodiment spirit and
Any modification, equivalent replacement, improvement and so within principle should be included in the scope of the claims of this specification embodiment
Within.
Claims (11)
1. a kind of court's trial data acquisition and processing system characterized by comprising at least one first court's trial device and/or extremely
A few second court's trial device；
The first court's trial device is arranged in court, for acquiring local audio-video signal via transmission line, and passes through net
Network acquires remote audio-video signal, then record and/or defeated by the local audio-video signal and remote audio-video signal
It handles out；
The second court's trial device is arranged in law court's computer room, for acquiring local audio-video signal and long-range sound via network
The local audio-video signal and remote audio-video then record and/or output are handled by vision signal.
2. court's trial data acquisition and processing system according to claim 1, which is characterized in that the first court's trial device,
It include: the first video signal collection processing module and the first audio signal sample processing module；
The first video signal collection processing module for acquiring local video signal via video transmission line, and passes through net
Network acquires remote video signal, then carries out the local video signal of acquisition and remote video signal at recording and/or output
Reason；
The first audio signal sample processing module for acquiring local audio signal via audio transmission line, and passes through net
Network acquires remote audio signal, then carries out the local audio signal of acquisition and remote audio signal at recording and/or output
Reason.
3. court's trial data acquisition and processing system according to claim 2, which is characterized in that first vision signal is adopted
Collecting processing module includes:
Primary scene video acquisition unit, for receiving each video capture device in the court point via SDI transmission line
The field video signal not acquired；
First evidence video acquisition unit, for receiving each view being stored in the court via VGA and HDMI transmission line
Frequency evidence provides the evidence vision signal in equipment；
First long-distance video acquisition unit, for receiving remote video signal via network；
First video decoding unit, for the remote video signal to be decoded.
4. court's trial data acquisition and processing system according to claim 3, which is characterized in that first vision signal is adopted
Collecting processing module includes the first video pre-processing units, further includes the first video record unit and/or the first video output unit；
First video pre-processing units, for the received field video signal, evidence vision signal or long-range view
Frequency signal carries out image scaling and picture synthesis processing；
The first video record unit, for will be via image scaling and picture synthesis treated field video signal, card
It is encoded according to vision signal or remote video signal, then carries out fluidisation and recording processing；
First video output unit, for will be via image scaling and picture synthesis treated field video signal, card
It is exported via VGA and HDMI transmission line to video display apparatus according to vision signal or remote video signal.
5. court's trial data acquisition and processing system according to claim 2, which is characterized in that first audio signal is adopted
Collecting processing module includes:
Primary scene audio collection unit, for receiving each audio collecting device in the court with shielding line via twin-core
The live audio signal acquired respectively；
First evidence audio collection unit is demonstrate,proved for receiving each audio being stored in the court with shielding line via twin-core
According to the evidence audio signal provided in equipment；
First remote audio acquisition unit, for receiving remote audio signal via network；
First audio decoding unit, for the remote audio signal to be decoded.
6. court's trial data acquisition and processing system according to claim 5, which is characterized in that first audio signal is adopted
Collecting processing module includes the first Audio pre-processing unit, further includes the first audio recording unit and/or the first audio output unit；
First Audio pre-processing unit, for the received live audio signal, evidence audio signal or long-range sound
Frequency signal carries out echo cancellor and/or stereo process；
The first audio recording unit, for will be via live audio signal, the evidence after echo cancellor and/or stereo process
Audio signal or remote audio signal are encoded, and fluidisation and recording processing are then carried out；
First audio output unit, for will be via live audio signal, the evidence after echo cancellor and/or stereo process
Audio signal or remote audio signal are exported in a manner of circuit output to audio display device.
7. court's trial data acquisition and processing system according to claim 1, which is characterized in that the second court's trial device,
It include: the second video signal collection processing module and the second audio signal sample processing module；
The second video signal collection processing module, for acquiring local video signal and long-distance video letter respectively via network
Number, and the local video signal is encoded, then the local video after the remote video signal of acquisition and coding is believed
It number carries out recording and/or output processing；
The second audio signal sample processing module, for acquiring local audio signal and remote audio letter respectively via network
Number, and the local audio signal is encoded, then the local audio after the remote audio signal of acquisition and number is believed
It number carries out recording and/or output processing.
8. court's trial data acquisition and processing system according to claim 7, which is characterized in that second vision signal is adopted
Collecting processing module includes:
Secondary scene video acquisition unit, the live video for being acquired respectively to each video capture device in the court
Signal is encoded, and the field video signal after coding is received via network；
Second evidence video acquisition unit, the evidence video for providing each video evidence in the court in equipment are believed
It number is encoded, and receives the evidence vision signal after coding via network；
Second long-distance video acquisition unit, for receiving remote video signal via network；
Second video decoding unit, for the field video signal, evidence vision signal and remote video signal respectively into
Row decoding.
9. court's trial data acquisition and processing system according to claim 8, which is characterized in that second vision signal is adopted
Collecting processing module includes the second video pre-processing units, further includes the second video record unit and/or the second video output unit；
Second video pre-processing units, for the received field video signal, evidence vision signal or long-range view
Frequency signal carries out image scaling and picture synthesis processing；
The second video record unit, for will be via image scaling and picture synthesis treated field video signal, card
It is encoded according to vision signal or remote video signal, then carries out fluidisation and recording processing；
Second video output unit, for will be via image scaling and picture synthesis treated field video signal, card
It is exported via network to video display apparatus according to vision signal or remote video signal.
10. court's trial data acquisition and processing system according to claim 7, which is characterized in that second audio signal
Acquisition processing module includes:
Secondary scene audio collection unit, the live audio for being acquired respectively to each audio collecting device in the court
Signal is encoded, and the live audio signal after coding is received via network；
Second evidence audio collection unit, the evidence audio for providing each audio evidence in the court in equipment are believed
It number is encoded, and receives the evidence audio signal after coding via network；
Second remote audio acquisition unit, for receiving remote audio signal via network；
Second audio decoding unit, for the live audio signal, evidence audio signal and remote audio signal respectively into
Row decoding.
11. court's trial data acquisition and processing system according to claim 10, which is characterized in that second audio signal
Acquisition processing module includes the second Audio pre-processing unit, further includes the second audio recording unit and/or the second audio output list
Member；
Second Audio pre-processing unit, for the received live audio signal, evidence audio signal or long-range sound
Frequency signal carries out echo cancellor and/or stereo process；
The second audio recording unit, for will be via live audio signal, the evidence after echo cancellor and/or stereo process
Audio signal or remote audio signal are encoded, and fluidisation and recording processing are then carried out；
Second audio output unit, for will be via live audio signal, the evidence after echo cancellor and/or stereo process
Audio signal or audio signal are exported via network to audio display device.
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Address after: 100094 5 floor 101, 6 building, No. 3, Fung Xiu Road, Haidian District, Beijing. Applicant after: Beijing Huaxia Dentsu Technology Co.,Ltd. Address before: 100094 5 floor 101, 6 building, No. 3, Fung Xiu Road, Haidian District, Beijing. Applicant before: CHINASYS TECHNOLOGIES Co.,Ltd. |
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Application publication date: 20190611 |