CN106034226A - Method for improving safety of driving test information and enabling synchronized reproduction of driving test information - Google Patents
Method for improving safety of driving test information and enabling synchronized reproduction of driving test information Download PDFInfo
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Abstract
The invention relates to a method for improving the safety of driving test information and enabling synchronized reproduction of the driving test information. The method comprises a collection step in which multi-channel audio information and video information are converted into single-channel audio information HAS and single-channel video information CVS respectively; a storage step in which all information collected in the collection step together with testee information forms a driver test process multi-information audio-video DEMSAV file including different information in the driving test process; and a synchronized reproduction step in which a player which can replay the different information in a synchronized reproduction manner is used to reproduce all information recorded by the driver test process multi-information audio-video DEMSAV file in the synchronized manner. The method ensures that consulting results of different information which needs to be recorded in the test process are kept synchronized in time and position after test, a traditional file storage method is optimized, the safety of driving test information is improved, and the testee information can be inquired more conveniently and more rapidly.
Description
Technical field
The present invention relates to a kind of collection, storage different types of information and the method for reproduced in synchronization thereof, a kind of method that the information of examining and reproduced in synchronization thereof are driven in collection, storage.
Background technology
After the Ministry of Public Security is used instead 123 commands about motor vehicle driving license neck, the pertinent regulations of examination process by 111 commands before, motor vehicles examinee's driving efficiency examination process evaluation method is by be manually main having made into based on computer, and require that the full detail of whole examination process at any time can north source, that is the examination process of any one examinee can intactly play back or restore at any time, in order to can correctly rehear or error correction.
In order to achieve the above object, one examinee of record just comprises following media and much information at the full detail of examination process:
1.1, no less than the real-time video information of two passages；
1.2, the real-time audio information of Kao Chenei；
1.3, Surveillance center examination person and the actual conversation information of examinee；
1.4, the real-time position information of car driving process is examined；
1.5, the information of the examination vehicle that examinee is used when taking an examination；
1.6, it is responsible for invigilating the information of the examination person of certain examinee；
1.7, the examinee information taken an exam；
1.8, the total marks of the examination of examinee and judging basis thereof；
1.9, the real-time video information that carrying out examinee must recording during deduction of points evaluation, the real time information such as the instant present position of car, at that time instant moment are examined.
It is to use following numerous technology to carry out integrated for recording an examinee in the prior art of the full detail of examination process:
2.1, by audio frequency, video acquisition and record system to examining the inside and outside audio frequency of car, video is acquired and record；
2.2, record is carried out by computer data system to examining the information such as car, examinee, examination person, test time, total marks of the examination, judging basis, the real time position examined in car driving process；
2.3, when the examination process to examinee carries out north source, respective audio, video player is used to play back or restore audio frequency, video information, information such as examining car, examinee, examination person, test time, total marks of the examination, judging basis, instant moment is scanned for by database inquiry system, inquires about and shows, it is to be scanned for by database inquiry system and inquire about to examining the instant present position of car, then utilizes virtual technology to be simulated what display was reduced.
For record, one examinee has the disadvantage in that in the prior art of the full detail of examination process
3.1, when examination process being carried out north source, multiple not there are on matter of time need be used the system of one_to_one corresponding association simultaneously can to make hands section simultaneously, therefore audio frequency when the most theoretical or practice all cannot solve to play back, video information with examine truck position information, the stationary problem of other much informations such as operation information, particularly when playing back video and driving trace, particularly evident prominent, time difference between the video signal that the driving trace that can only depict asynchronously and examination vehicle real time record are got off is unstable, the most uncontrollable, so it is easy to cause the collimation error, when there being judge deduction of points point, making viewer believes that is a kind of judge mistake, result even in and correctness is thrown doubt upon or dispute；
3.2, with current database technology to examine the static informations such as car, examinee, examination person, test time, total marks of the examination, judging basis, instant moment and examine the multidate information of truck position store time, versatility and the open problem of technology due to interface, its safety is made to can not get ensureing, can be distorted by undesirable easily, thus destroy the fairness of examination process and fairness and the verity of information data；
3.3, be stored in respectively in the middle of multiple different types of file due to the exam information of same examinee, therefore to search the most pretty troublesome, compare take a lot of work, time-consuming, the most difficult to reproduced in synchronization, often can only do arrival time difference less than 10 minutes.
Summary of the invention
It is an object of the invention to provide a kind of raising and drive the method examined Information Security and make its energy reproduced in synchronization, utilize the method to accomplish:
1. improve convenience and the speed of inquiry examinee information, reduce waste of time；
2. multiple associated documents reasonable quantities of storage examinee information are combined, until an examinee only just need to can preserve its full detail with a file, and the occupancy of memory space can be reduced；
3. optimize traditional file memory method, while reducing memory space, also improve the difficulty distorting examinee information, make the fairness of examination process and the verity etc. of fairness and information data preferably be ensured；
4. it is saved in the middle of same file due to examinee information in examination process the most simultaneously, therefore can ensure that when inquiry and can highly be synchronized during playback, it is to avoid synchronization event and phenomenon can not reappear the non real-time nature problem of playback at synchronization.
For solving the problems referred to above, the technical solution used in the present invention is: a kind of raising is driven and examined Information Security and make it can the method for reproduced in synchronization, it is characterised in that: the method is by driving of gathering being examined multichannel audio-frequency information and video information is transformed into audio-frequency information HAS and video information CVS of single channel respectively simultaneously；Again it is examined relevant examinee information, total marks of the examination, examination person's information, examination vehicle information and national standard or other requires that the indispensable real-time non-audio of defined, non-video exam information, non real-time exam information are stored with to carry in all audio frequency video monitoring information of examinee's examination process and form a kind of containing with compressed file form and drives " driver's examination process multi information audio video file DEMSAV file " of the various information of examination process with all with driving；Carry out reproduced in synchronization multi information synchronous recording by the special player that multi information reproduced in synchronization can be played back out again and drive the full detail that " driver's examination process multi information audio video file DEMSAV file " of examination process is recorded；
The method mainly includes three steps:
(1), acquisition step: multichannel Voice & Video is transformed into respectively the audio frequency HAS and video CVS of single channel；
(2), storing step: the information all acquisition step collected merges formation and a kind of contains " the driver's examination process multi information audio video file DEMSAV file " driving the various information of examination process with real-time non-audio, non-video exam information, non real-time exam information；
(3), reproduced in synchronization: carry out reproduced in synchronization multi information synchronous recording by the special player that multi information reproduced in synchronization can be played back out and drive the full detail that " driver's examination process multi information audio video file DEMSAV file " of examination process is recorded.
Its further technical scheme is: described raising is driven and examined Information Security and make it method it (one) of reproduced in synchronization, the method for acquisition step be:
A, by data acquisition unit, multichannel video information is merged into before storing video information CVS of single channel；
Its method is: gather simultaneously m passage for monitor the analog video camera of examination process or k passage for monitoring the Real-time and Dynamic video signal of the digital video camcorder of examination process and being digitized processing, being finally merged into only needs 1 passage just can meet national standard to require that digital video signal CVS with user's particular/special requirement records for rear class integrated treatment or simply store；The span of above-mentioned m, k is: m=0,1,2 ..., 8, k=0,1,2 ..., 8, m+k=1,2,3 ... 8；
B, by analogue audio frequency processing unit, multichannel audio-frequency information is mixed into the audio-frequency information HAS of single channel:
Its method is；N passage is mixed into, by analog circuit, the channel audio signal HAS only needing 1 passage just can meet national standard requirement and user's particular/special requirement for the real-time audio signal monitoring the pick up of examination process to export simultaneously, as the signal source required for digitized audio frequency collection and analogue audio frequency audiomonitor, the span of n is: n=1,2, ..., 6.
Its further technical scheme is: described raising drive examine Information Security and make its can reproduced in synchronization it (two) storing step of method in, have recorded and drive " driver's examination process multi information audio video file DEMSAV file " of the various information of examination process and both comprised real time information and non-real-time information, wherein also include audio frequency, video information and non-audio, non-video information, during forming DEMSAV file, the method for its (two) storing step is:
C, first pass through audio frequency, video information CVS that acquisition step is collected by vision mixer and audio-frequency information HAS are digitized compression and process, formed a kind of can meet certain compression standard requirement all audio frequency video monitoring information that carry examinee's examination process, the audio and video information CAVS that occurs with the form after compression；
D, the non real-time exam informations such as the examinee information in addition to total marks of the examination, examination person's information, examination vehicle information are saved in all audio frequency video monitoring information that carry examinee's examination process, the beginning part of the audio and video information CAVS that occurs with the form after compression, i.e. after examinee obtains the notice starting examination and get on the bus and formally start driving and examine car and travel before examination process；Thus form the beginning part of basic " driver's examination process multi information audio video file DEMSAV file "；
E, the real time position value of examination vehicle, i.e. " coordinate " value, occur that examination must preserve when passing judgment on deduction of points point, the real-time non-audio video monitoring information of relevant real time information that records synchronously is saved in record and have the position corresponding to the frame of video in moment at that time in basic " driver's examination process multi information audio video file DEMSAV file " of CAVS information；
After F, examination terminate, in time examinee's achievement is saved in basic " driver's examination process multi information audio video file DEMSAV file " in corresponding frame of video, it is located at after examination terminates and stops, in some frame of video before videograph, forming final " driver's examination process multi information audio video file DEMSAV file ".
Its further technical scheme is: described (three), the method for reproduced in synchronization step be:
G, in the incipient stage reappeared in replayed section, first pass through " driver's examination process multi information audio video file DEMSAV decoder IV 1 " step by step non real-time non-audio, the non-video informations such as the examinee information that store in " the driver's examination process multi information audio video file DEMSAV file " of driving the information of examining, examination person's information, examination vehicle information to be separated one by one, be placed on the core buffer of player or be saved in a certain file specified；
H, constantly carrying out along with reproduction replayed section, gradually enter into examinee and start the operation process of examination, now also continue to the most synchronously non-audio, non-video information be separated from the frame of video played back, and simultaneously the position coordinate value of the examination vehicle corresponding point of certain coordinate system are depicted on the position specified, the driving trace figure forming it into examination vehicle is presented on observer at the moment, on-demand for reappearing playback operation people；
I, by non-audio, non-video information separation module during carrying out these information separation and Extraction, running into appearance examination pass judgment on deduction of points point time, it is possible to immediately notice DEMSAV file reappear playback module, i.e. can provide out of service；
J, for reappearing the module of playback when running into the notice occurring passing judgment on deduction of points point, automatically make brief stay and wait, to causing the attention of observer；
K, accept to reappear the related service function such as operational order of playback operation personnel in real time by providing for reappearing the module of playback, so that the requirement of operator can preferably be met, and realize suspending, amplify, function and the service such as duplication, for reappearing the man machine interface that playback operation people provides friendly.
Its further technical scheme is: (one), the A of the method for acquisition step, by data acquisition unit, multichannel video information is merged into before storing single channel video information CVS basic skills on the basis of, moreover it is possible to extension increase following functions:
1. by " digital video allotter ", it is mixed with the user of later analog video and digital video to needing to obtain simultaneously " being mixed with later analog video and digital video " information is provided；
2. by " digital video transmitter " protocol interface, it is possible to outwardly provide the single channel digital video information CVS digital video information of m+k passage being converted into through " digital video blender "；
3. by " Video Decoder ", digital video will be reduced into " Video Decoder " of analog video, provide service to needing to obtain the analog video user after the single channel digital video information CVS that numeral is mixed into；
4. by " analog video monitor " protocol interface, Video Supervisory Signal is provided to the domestic television set with video input interface or other similar video display apparatus can be used；
Above-mentioned expansion service function according to user need and select therein one or more.
Its most further technical scheme is: on the basis of (one), the B of the method for acquisition step, the basic skills of audio-frequency information HAS that multichannel audio-frequency information is mixed into single channel by analogue audio frequency processing unit, it is also possible to extension increases following functions:
1. by analogue audio frequency allotter, analogue audio frequency audiomonitor interface, it is mixed with later analog audio information to needing listener to provide；
2. by digitized audio frequency harvester, analog audio information is converted into digitized audio message, then is supplied to " extraneous " by " DAB transmitter " interface digitized audio message digitized or claims " third party " to use.
Its most further technical scheme is: in the method for described (two), storing step, requirement according to user has the form of energy compatible certain multimedia the most already present storage file, makes some multimedia player can carry out wherein audio visual portion reappearing broadcasting；Described multimedia player includes RealPlayer, Windows Media Player, FLASH, MPC, mp4 player, likes strange skill or Tengxun's video player, but is also not limited to above several multimedia player.
Its most further technical scheme is: in the method for described (two), storing step, for ensureing the safe and reliable of examinee's exam information, needs to use the one among following encryption method or 2 kinds:
1. step C, first pass through audio frequency, video information CVS that acquisition step is collected by vision mixer and audio-frequency information HAS are digitized compression and process, formed a kind of can meet certain compression standard requirement all audio frequency video monitoring information that carry examinee's examination process, during the audio and video information CAVS that occurs with the form after compression；After being first encrypted before compression process, then embed non-audio, non-video information, finally give " storage logging modle " or claim " file recorder " to carry out storing record；
2. the exam information of examinee is suitably embedded in good time in the storage frame of the audio and video streams after compression, even if as a kind of when DEMSAV file being played out with general media player the observation of the superfine heart make also to be difficult to the video noise that finds and be present in DEMSAV file, it is ensured that the disguise of information deposit position.
Its most further technical scheme is: drives in described guarantee and examines in the back method that synchronizing information reappears: for ensureing the safe and reliable of examinee's exam information, increases storage and the safety of management of DEMSAV file；Need use following methods:
1. in order to reach to meet the information storage of requirement and the effect reappeared, special DEMSAV file must be used when reappearing playback to reappear playback software or hardware device and to reappear and Tong Bu effect to realize complete data message；
2. driver's examination process multi information audio video file DEMSAV special player provides only the function relevant to reappearing playback, editting functions such as distorting is not provided, make DEMSAV file become a kind of read-only file in face of its special player, do not allow it is carried out secondary write；
3. driver's examination process multi information audio video file DEMSAV special player is by using following function, realize examination & verification play operation person's authority and the means of record operator message, prevent the people not obtaining mandate from optionally using and frightening and illegally make employment, thus increase the storage of DEMSAV file and the safety of management.
Owing to taking above technical scheme, a kind of raising of the present invention is driven and is examined Information Security and make the method for its energy reproduced in synchronization compared with prior art, has the characteristics that and beneficial effect:
1, the archives preserving examinee can be reduced to only need a file, it is simple to manage and consult.
2, much information that examination process need to record consulting result and can all keep synchronizing on time and position after examination terminates is guaranteed, particularly apparent is in the driving trace depicted of the data file of position and the real-time location coordinates utilizing global position system to record with record examination vehicle that the surveillance video file of examination vehicle the reappears reproduction replayed section when consulting, absolute synchronization and can keep consistent for a long time when the data relevant with the time such as time of correspondence both both position or same position are presented in face of consultant the most in the same time；And prior art is to use multifile storage method, and there is no direct correlation point in time, therefore, during multiple files are consulted, synchronize for the moment even if can obtain in theory, but probability is the least.
3, the security classification of exam information is higher: owing to the storage method of the examinee information of present patent application proposition is all to be embedded into by all non-video informations in the concrete frame of video of the video flowing that have compressed, and before embedding, also go through pre-encrypt process, not having special decoding tool and corresponding key is to obtain less than exam information；And the file being currently used for preserving exam information is all general, the file of specification having been disclosed for interface, agreement or structure, the people therefore with certain specialized technical knowledge is likely to distort those exam informations, and security classification is extremely low.
4, consult people due to information and can obtain the reproduced in synchronization result of multi information, it is not easy to produce objection, make the invigilator of examination, monitoring process more public trust.And prior art is owing to can not get the effect of reproduced in synchronization playback, consults people and be not easy to confirm that the some time there will be judge deduction of points point in certain position, therefore the public trust of invigilator, monitoring can be thrown doubt upon.
5, due to the file of preservation exam information, there is higher encryption level, and special instrument of consulting does not provides the amendment to information and compilation function, that is, with present patent application technology formed preserve exam information file for the public be a kind of read-only file, in other words exam information be can not compilation, the preservation driver examination process multi information audio video file DEMSAV therefore formed by present patent application technology make the invigilator of examination process, monitoring public trust the highest.
Below, a kind of raising to the present invention is driven and is examined Information Security and make it technical characteristic of method of reproduced in synchronization to be further described in conjunction with the accompanying drawings and embodiments.
Accompanying drawing explanation
Fig. 1-1 is in acquisition method of the present invention, and multichannel video transition becomes the basic step schematic diagram of the processing method of the video of single channel:
Fig. 1-2 is in acquisition method of the present invention, and multichannel video transition becomes the extension schematic diagram of the processing method of the video of single channel；
Fig. 2: be in acquisition method of the present invention, becomes by multichannel audio conversion into the processing method schematic diagram of the audio frequency of single channel；
Fig. 3 is the forming method schematic diagram that the synchronous recording of storage method drives examination process " driver's examination process multi information audio video file DEMSAV file "；
Fig. 4 is the method schematic diagram of multi information reproduced in synchronization playback；
Fig. 5 is that a kind of hardware driven and examine synchronizing information reproduction realizes platform structure schematic diagram.
In figure:
I is the parts of the collection video information of data acquisition unit,
II is the parts of the collection audio-frequency information of data acquisition unit,
III is data storage cell；
IV is reproduced in synchronization unit；
V is the hardware platform of system；
I 11, I 12 ..., I 1m are analog video camera,
I 211, I 212 ..., I 21m are " digital video harvesters ", (m=0,1,2 ..., 8),
I 221, I 222 ..., I 22k are digital video camcorders；(k=0,1 ..., 8, m+k=1,2 ..., 8)；
I 3 is " the digital video blender " digital video information of m+k input channel being converted into single channel digital video information CVS output；
I 4 is " digital video allotter ", and this is not to have to use for parts in " video pre-filtering method ", and it is to there is a need to obtain the redundancy feature being mixed with the user of later analog video and digital video and provide simultaneously；
I 51 is the protocol interface of the single channel digital video information CVS outwardly providing the digital video information through " digital video blender " I 3 m+k passages to be converted into, and in other words can also be called is to be provided out CVS " digital video transmitter "；
I 52 is to need to obtain " Video Decoder " that digital video be reduced into analog video that the analog video after numeral is mixed with is set up；
I 6 is " analog video monitor " protocol interface, is to the interface unit that the domestic television set with video input interface or other similar video display apparatus can be used to provide Video Supervisory Signal.
II 11, II 12 ..., II 1n(n=1,2 ..., 6) it is the pick up for gathering driver's examination process audio-frequency information；
II 2-analogue audio frequency blender, has only to, for n the passage microphone signal monitoring driver's examination process is mixed into, single channel mixed audio information HAS that single passage sends and process；
II 3-" analogue audio frequency allotter ", is able to meet needs and uses the preposition equipment of " analogue audio frequency audiomonitor "；
II 41-analogue audio frequency audiomonitor, is to monitor the redundant interface circuit being mixed with later analog audio information and set up；
II 42-" digitized audio frequency harvester " is module analog audio information being converted into digitized audio message, is to provide the Kinds of Essential Software of digital audio information, hardware or the equipment of both mixing to rear class " audio-frequency information digitized processing " process；
II 5 is can be supplied to " extraneous " or claim " third party " " the DAB transmitter " that use by the digitized audio message DHAS digitized, is also a kind of protocol interface belonging to digitized audio message.
III 1-audio frequency, video mix compressor；It is a kind of to form it into, for DHAS Voice & Video information is mixed, the signal processor that can conveniently transmit and carry out the CAVS flow of information containing audio frequency, video information used according to the needs of purposes；
III 21-" digital audio receiver " is the electronic information interface receiving digitized audio message, can obtain profit by this interface and be transferred to the digitized audio message of this interface；
III 22-" digital video receiver " is the electronic information interface receiving digital video information, can be obtained the digital video information being transferred to this interface by this interface；
III 23-non-real-time information: refer to the information unrelated with the time course of examination process, requirement is passed judgment in examination according to Ministry of Public Security's standard, thinking that in the application describes current non real-time exam information includes but is not limited solely to examinee information, examination vehicle information, examination person's information, total marks of the examination etc., the kind of these non real-time exam informations can change along with the change of ministry standard；
The III real-time non-audio of 24-, non-video information: refer to that requirement is passed judgment in the examination according to Ministry of Public Security's standard, thinking that in the application describes current real-time non-audio, non-video exam information include but be not limited solely on the position coordinate value of examination vehicle and the driving trace of examination vehicle, the position passing judgment on examination vehicle when requiring to occur deduction of points point according to examination and the examination vehicle that represent with position coordinate value for retraining the signal of total marks of the examination, these real-time non-audios, the kind of non-video exam information can change along with the change of ministry standard；
III 3-" multi information blender " belongs to a kind of digital information processor；Contain for " non-real-time information " III 23 and " real-time non-audio, non-video information " III 24 in real time, are synchronously embedded in flow of information CAVS of " digital audio receiver III 21 " and the Voice & Video information of " digital video receiver III 22 " after processing from " audio frequency, video mix compressor " III 1, ultimately form a kind of only have single channel, added close, contain the data message stream DEMSAV driving examination process full detail；
III 4-multi information file recorder, is " driver's examination process multi information audio video file DEMSAV file " carrier of depositing；Referring to have can be with the software of function that the form of one of electricity, magnetic, light or arbitrarily mixing realizes recording e-file for medium, hardware or a kind of electronic information recording equipment both included；For the only single channel formed through " multi information blender III 3 ", added close, to contain the data message stream driving examination process full detail DEMSAV file and recorded with the form of e-file, utilize III 4 DEMSAV file can be made to be advantageously used in preserving, inquire about, replicate, propagate, exchange。
IV 0-" multi information file memory ", is " driver's examination process multi information audio video file DEMSAV file " carrier of depositing；IV 1-" driver's examination process multi information audio video file DEMSAV decoder ", is the parts that the record audio frequency of driver's examination process, video information and real-time non-audio, video information and non-real-time information are individually separated from DEMSAV file, are extracted；
IV 21-" non-real-time information decoder ", is that " non-real-time information " separated from " driver's examination process multi information audio video file DEMSAV file " is carried out the parts that decompress, decipher by the requirement of " non-real-time information "；
IV 211-" formation non-real-time information " parts, are the parts information obtained from " non-real-time information decoder " IV 21 being delivered to display window relief area by man machine interface requirement；
IV 212-" non-real-time information display window ", is the display buffer of the man machine interface window showing non-real-time information；
IV 22-" real-time non-audio, Video Decoder ", is that " real-time non-audio, the video information " separated from " driver's examination process multi information audio video file DEMSAV file " is carried out the parts that decompress, decipher by the requirement of " real-time non-audio, video information "；
IV 221-" forming real-time non-audio, video information " parts, are the parts information obtained from " real-time non-audio, Video Decoder " IV 22 being delivered to display window relief area by man machine interface requirement；
IV 222-" real-time non-audio, video information simultaneous display window ", is the display buffer of the man machine interface window showing real-time non-audio, video information；
IV 23-" audio frequency, Video Decoder ", is that " audio frequency, the video information " separated from " driver's examination process multi information audio video file DEMSAV file " is carried out the parts that decompress, decipher by the requirement of " audio frequency, video information "；
IV 2311-" video player " parts, are the parts video information obtained from " audio frequency, Video Decoder " IV 23 being delivered to display window relief area by man machine interface requirement；
IV 2312-" video-frequency monitor window ", is the display buffer of the man machine interface window showing video information；
IV 2321-" audio player " parts, are the parts audio-frequency information obtained from " audio frequency, Video Decoder " IV 23 being delivered to DAB output buffer by man machine interface requirement；
IV 2322-" audio speaker ", is the digital audio-frequency data of DAB output buffer to be converted into analog audio data and passes out to the parts of analogue audio frequency output interface.
V 1-is the nucleus module of hardware platform, is indicated by the dashed box in figure；
V 10-is the various buses on the nucleus module of hardware platform,
V 11-is central processor CPU or microcontroller MCU,
V 12-is digital signal processor DSP,
V 13-is extensive Programmable Logic Device device FPGA or CPLD,
V 14-is program storage,
V 15-is data storage；
V 2-is the interface base plate of hardware platform,
V 20-is the DC-DC power source of 8～36V inputs,
V 21-is the m road analog video camera interface module that analogue video signal can be converted into digital video information,
V 22-is the k railway digital video camera interface module connecting and having digital video information output,
V 23-is the n road audio pickup device interface module that analog audio information can be converted into digitized audio message,
V 24-is the video information output module of connection monitoring device, or hardware interface, or software interface,
V 25-is the audio-frequency information output module connecting microphone, or hardware interface, or software interface,
V 26-is non-real-time information input interface, or hardware interface, or software interface,
V 27-is real-time non-audio, non-video information input interface, or hardware interface, or software interface,
V 28-is the keyboard in man machine interface, display lamp interface, or hardware interface, or software interface,
V 29-is on-line communication interface, or hardware interface, or software interface, or comprises the interface of hardware and software simultaneously.
V 30-is large capacity data memory, including but not only limitation is at present conventional various hard disks, solid-state memory, memory array, cloud storage.
In literary composition, abbreviation is meant that:
The digital video information of CVS-single channel；
The analog audio information of HAS-single channel,
The digitized audio message of DHAS-single channel,
The all audio frequency video monitoring information that CAVS-occurs with the form after compression；
DEMSAV-driver's examination process multi information audio-visual data is also single channel, it is close to have added, contain the data message stream driving examination process full detail.
Detailed description of the invention
The method examined Information Security and make its energy reproduced in synchronization is driven in a kind of raising
The method is by driving of gathering being examined multichannel audio-frequency information and video information is transformed into audio-frequency information HAS and video information CVS of single channel respectively simultaneously；Again by all with drive non real-time exam informations such as examining relevant examinee information, total marks of the examination, examination person's information, examination vehicle information and be saved in carry in all audio frequency video monitoring information of examinee's examination process and form a kind of containing with compressed file form and drive " driver's examination process multi information audio video file DEMSAV file " of the various information of examination process；Carry out reproduced in synchronization multi information synchronous recording by the special player that multi information reproduced in synchronization can be played back out again and drive the full detail that " driver's examination process multi information audio video file DEMSAV file " of examination process is recorded；
The method mainly includes three steps:
(1), acquisition step: multichannel Voice & Video is transformed into respectively the audio frequency HAS and video CVS of single channel；
(2), storing step: all acquisition step are formed a kind of " driver's examination process multi information audio video file DEMSAV file " containing and driving the various information of examination process, and is saved in large capacity data memory；
(3), reproduced in synchronization: carry out reproduced in synchronization multi information synchronous recording by the special player that multi information reproduced in synchronization can be played back out and drive the full detail that " driver's examination process multi information audio video file DEMSAV file " of examination process is recorded.
Described raising is driven and is examined Information Security and make it method it (one) of reproduced in synchronization, the method for acquisition step be:
A, by data acquisition unit, video information CVS:(that multichannel video information is merged into single channel before storing is seen Fig. 1-1)
Its method is: gather simultaneously m passage for monitor the analog video camera of examination process or k passage for monitoring the Real-time and Dynamic video signal of the digital video camcorder of examination process and being digitized processing, being finally merged into only needs 1 passage just can meet the video signal of user's requirement to record for rear class integrated treatment or simply store；The span of above-mentioned m, k is: m=0,1,2 ..., 8, k=0,1,2 ..., 8, m+k=1,2,3 ... 8；
B, by digital simulation unit, the audio-frequency information HAS(multichannel audio-frequency information being mixed into single channel is seen Fig. 2):
Its method is；Simultaneously the real-time audio signal analog circuit of n the passage pick up for monitoring examination process is mixed into only 1 passage of need just to meet user and require that channel audio signal exports, the signal source gathered as digitized audio frequency, the span of n is: n=1,2, ..., 6.
Described raising drive examine Information Security and make its can reproduced in synchronization it (two) storing step of method in, have recorded and drive " driver's examination process multi information audio video file DEMSAV file " of the various information of examination process and both comprised real time information and non-real-time information, wherein also include audio frequency, video information and non-audio, non-video information, during forming file DEMSAV, the method (seeing Fig. 3) of its (two) storing step is:
C, first pass through audio frequency, video information CVS that acquisition step is collected by vision mixer and audio-frequency information HAS are digitized compression and process, formed a kind of can meet certain compression standard requirement all audio frequency video monitoring information that carry examinee's examination process, the audio and video information CAVS that occurs with the form after compression；
D, the non real-time exam informations such as the examinee information in addition to total marks of the examination, examination person's information, examination vehicle information are saved in all audio frequency video monitoring information that carry examinee's examination process, the beginning part of the audio and video information CAVS that occurs with the form after compression, after examinee obtains the notice starting examination and before formally starting examination process；Form basic " driver's examination process multi information audio video file DEMSAV file "；
E, the real time position value of examination vehicle, i.e. " coordinate " value, occur that examination must preserve when passing judgment on deduction of points point, the real-time non-audio video monitoring information of relevant real time information that records synchronously is saved in record and have the position corresponding to the frame of video in moment at that time in basic " driver's examination process multi information audio video file DEMSAV file " of CAVS information；
After F, examination terminate, in time examinee's achievement is saved in basic " driver's examination process multi information audio video file DEMSAV file " in corresponding frame of video, it is located at after examination terminates and stops, in some frame of video before videograph, forming final " driver's examination process multi information audio video file DEMSAV file ".
Described guarantee drive examine synchronizing information reappear back method be (seeing Fig. 4):
The inside the most synchronously record of the driver examination process multi information audio video file DEMSAV of the information of examining is driven in storage the full detail in examinee's examination process, but need to reach the desired effects of operator or inquirer when reappearing playback, it is necessary to carry out following one or more work:
G, in the incipient stage reappeared in replayed section, first pass through " driver's examination process multi information audio video file DEMSAV decoder IV 1 " step by step non real-time non-audio, the non-video informations such as the examinee information that store in " the driver's examination process multi information audio video file DEMSAV file " of driving the information of examining, examination person's information, examination vehicle information to be separated one by one, it is placed on the core buffer of player or is saved in a certain file specified, in order to using when needing afterwards；
H, constantly carrying out along with reproduction replayed section, gradually enter into examinee and start the operation process of examination, now also continue to the most synchronously non-audio, non-video information be separated from the frame of video played back, and simultaneously the position coordinate value of the examination vehicle corresponding point of certain coordinate system are depicted on the position specified, the driving trace figure forming it into examination vehicle is presented on observer at the moment, on-demand for reappearing playback operation people；
I, by non-audio, non-video information separation module (include software, hardware or both mixing equipment) during carrying out these information separation and Extraction, when running into appearance examination judge deduction of points point, can notify that DEMSAV file reappears playback module (including software, hardware or the equipment of both mixing) immediately, i.e. can provide out of service；
J, for reappear playback module (include software, hardware or both mixing equipment) run into occur pass judgment on deduction of points point notice time, automatically make brief stay wait, to causing the attention of observer；
K, accept in real time to reappear the related service function such as operational order of playback operation personnel by providing for reappearing the module (including software, hardware or the equipment of both mixing) of playback, so that the requirement of operator can preferably be met, and realize suspending, amplify, the desired function of inquirer and the service such as duplication, for reappearing the man machine interface that playback operation people provides friendly, allow and reappear playback operation people and can provide the most thoughtful operation service for inquiry request people.
A kind of conversion as the embodiment of the present invention, (one), the A of the method for acquisition step, by data acquisition unit, multichannel video information is merged into before storing single channel video information CVS basic skills on the basis of, moreover it is possible to extension increase following functions (seeing Fig. 1-2):
1. by " digital video allotter " I 4, it is mixed with the user of later analog video and digital video to needing to obtain simultaneously " being mixed with later analog video and digital video " information is provided；
2. by " digital video transmitter " I 51 protocol interfaces, it is possible to outwardly provide the single channel digital video information CVS that the digital video information through " digital video blender " I 3 m+k passages is converted into；
3. by " Video Decoder " I 52, digital video will be reduced into " Video Decoder " of analog video, provide service to needing to obtain the analog video user after numeral is mixed with；
4. by " analog video monitor " protocol interface I 6, there is to use domestic television set or other similar video display apparatus offer Video Supervisory Signal of video input interface；
Above-mentioned expanded function according to user need and select therein one or more.
Another conversion as the embodiment of the present invention, on the basis of (one), the B of the method for acquisition step, the basic skills of audio-frequency information HAS that by analogue audio frequency mixer unit multichannel audio-frequency information is mixed into single channel, it is also possible to extension increases following functions:
1. by analogue audio frequency allotter II 3, analogue audio frequency audiomonitor II 41 interface, it is mixed with later analog audio information to needing listener to provide；
2. it is converted into digitized audio message DHAS by II 42 analog audio informations of digitized audio frequency harvester, then is supplied to " extraneous " by " DAB transmitter " II 5 interfaces digitized audio message digitized or claims " third party " to use (seeing Fig. 2).
Another conversion as the embodiment of the present invention, in the method for described (two), storing step, requirement according to user has the form of energy compatible certain multimedia the most already present storage file, makes some multimedia player can carry out wherein audio visual portion reappearing broadcasting；Described media player includes RealPlayer, Windows Media Player, FLASH, MPC, mp4 player, likes strange skill or Tengxun's video player, but is also not limited to above several multimedia player.
In the method for described (two), storing step, for ensureing the safe and reliable of examinee's exam information, need to use the one among following encryption method or 2 kinds:
1. step C, first pass through audio frequency, video information CVS that acquisition step is collected by vision mixer and audio-frequency information DHAS are digitized compression and process, formed a kind of can meet certain compression standard requirement all audio frequency video monitoring information that carry examinee's examination process, during the audio and video information CAVS that occurs with the form after compression；After being first encrypted before compression process, then embed non-audio, non-video information, finally give " storage logging modle " or claim " file recorder " to carry out storing record；
2. the exam information of examinee is suitably embedded in good time in the storage frame of the audio and video streams after compression, even if as a kind of when DEMSAV file being played out with general media player the observation of the superfine heart make also to be difficult to the video noise that finds and be present in DEMSAV file, it is ensured that the disguise of information deposit position.
As another conversion of the embodiment of the present invention, drive in described guarantee and examine in the back method that synchronizing information reappears: for ensureing the safe and reliable of examinee's exam information, increase storage and the safety of management of DEMSAV file；Need use following methods:
1. in order to reach to meet the information storage of requirement and the effect reappeared, special DEMSAV file must be used when reappearing playback to reappear playback software or hardware device and to reappear and Tong Bu effect to realize complete data message；
2. driver's examination process multi information audio video file DEMSAV special player provides only the function relevant to reappearing playback, editting functions such as distorting is not provided, make DEMSAV file become a kind of read-only file in face of its special player, do not allow it is carried out secondary write；
3. driver's examination process multi information audio video file DEMSAV special player is by using following function, realize examination & verification play operation person's authority and the means of record operator message, prevent the people not obtaining mandate from optionally using and frightening and illegally make employment, thus increase the storage of DEMSAV file and the safety of management.
Said method is selected one therein as desired or uses 2 kinds or 3 kinds simultaneously.
Claims (9)
1. a raising is driven and is examined Information Security and make it can the method for reproduced in synchronization, it is characterised in that: the method is by driving of gathering being examined multichannel audio-frequency information and video information is transformed into audio-frequency information HAS and video information CVS of single channel of single channel respectively simultaneously；Again it is examined relevant examinee information, total marks of the examination, examination person's information, examination vehicle information and national standard or other requires that the indispensable real-time non-audio of defined, non-video exam information, non real-time exam information are stored with to carry in all audio frequency video monitoring information of examinee's examination process and form a kind of containing with compressed file form and drives " driver's examination process multi information audio video file DEMSAV file " of the various information of examination process with all with driving；Carry out reproduced in synchronization multi information synchronous recording by the special player that multi information reproduced in synchronization can be played back out again and drive the full detail that " driver's examination process multi information audio video file DEMSAV file " of examination process is recorded；
The method mainly includes three steps:
(1), acquisition step: multichannel Voice & Video is transformed into respectively the audio frequency HAS and video CVS of single channel；
(2), storing step: the information all acquisition step collected merges formation and a kind of contains " the driver's examination process multi information audio video file DEMSAV file " driving the various information of examination process with real-time non-audio, non-video exam information, non real-time exam information；
(3), reproduced in synchronization: carry out reproduced in synchronization multi information synchronous recording by the special player that multi information reproduced in synchronization can be played back out and drive the full detail that " driver's examination process multi information audio video file DEMSAV file " of examination process is recorded.
Raising the most according to claim 1 is driven and is examined Information Security and make it can the method for reproduced in synchronization, it is characterised in that: described raising is driven and is examined Information Security and make it method it (one) of reproduced in synchronization, the method for acquisition step be:
A, by data acquisition unit, multichannel video information is merged into before storing video information CVS of single channel；
Its method is: gather simultaneously m passage for monitor the analog video camera of examination process or k passage for monitoring the Real-time and Dynamic video signal of the digital video camcorder of examination process and being digitized processing, being finally merged into only needs 1 passage just can meet national standard to require that digital video signal CVS with user's particular/special requirement records for rear class integrated treatment or simply store；The span of above-mentioned m, k is: m=0,1,2 ..., 8, k=0,1,2 ..., 8, m+k=1,2,3 ... 8；
B, by analogue audio frequency processing unit, multichannel audio-frequency information is mixed into the audio-frequency information HAS of single channel:
Its method is；N passage is mixed into, by analog circuit, the channel audio signal HAS only needing 1 passage just can meet national standard requirement and user's particular/special requirement for the real-time audio signal monitoring the pick up of examination process to export simultaneously, as the signal source required for digitized audio frequency collection and analogue audio frequency audiomonitor, the span of n is: n=1,2, ..., 6.
The method examined Information Security and make its energy reproduced in synchronization is driven in raising the most according to claim 1, it is characterized in that: described raising drive examine Information Security and make its can reproduced in synchronization it (two) storing step of method in, have recorded and drive " driver's examination process multi information audio video file DEMSAV file " of the various information of examination process and both comprised real time information and non-real-time information, wherein also include audio frequency, video information and non-audio, non-video information, during forming DEMSAV file, the method for its (two) storing step is:
C, first pass through audio frequency, video information CVS that acquisition step is collected by vision mixer and audio-frequency information HAS are digitized compression and process, formed a kind of can meet certain compression standard requirement all audio frequency video monitoring information that carry examinee's examination process, the audio and video information CAVS that occurs with the form after compression；
D, the non real-time exam informations such as the examinee information in addition to total marks of the examination, examination person's information, examination vehicle information are saved in all audio frequency video monitoring information that carry examinee's examination process, the beginning part of the audio and video information CAVS that occurs with the form after compression, i.e. after examinee obtains the notice starting examination and get on the bus and formally start driving and examine car and travel before examination process；Thus form the beginning part of basic " driver's examination process multi information audio video file DEMSAV file "；
E, the real time position value of examination vehicle, i.e.
" coordinate " value, the real-time non-audio video monitoring information of the relevant real time information must preserve during appearance examination judge deduction of points point, recorded synchronously is saved in the position corresponding to the frame of video in moment at that time recording in basic " the driver's examination process multi information audio video file DEMSAV file " having CAVS information；
After F, examination terminate, in time examinee's achievement is saved in basic " driver's examination process multi information audio video file DEMSAV file " in corresponding frame of video, it is located at after examination terminates and stops, in some frame of video before videograph, forming final " driver's examination process multi information audio video file DEMSAV file ".
Raising the most according to claim 1 is driven and is examined Information Security and make it can the method for reproduced in synchronization, it is characterised in that: described (three), the method for reproduced in synchronization step be:
G, in the incipient stage reappeared in replayed section, first pass through
" driver's examination process multi information audio video file DEMSAV decoder IV 1 " is separated non real-time non-audio, the non-video informations such as the examinee information that store in " the driver's examination process multi information audio video file DEMSAV file " of driving the information of examining, examination person's information, examination vehicle information step by step one by one, is placed on the core buffer of player or is saved in a certain file specified；
H, constantly carrying out along with reproduction replayed section, gradually enter into examinee and start the operation process of examination, now also continue to the most synchronously non-audio, non-video information be separated from the frame of video played back, and simultaneously the position coordinate value of the examination vehicle corresponding point of certain coordinate system are depicted on the position specified, the driving trace figure forming it into examination vehicle is presented on observer at the moment, on-demand for reappearing playback operation people；
I, by non-audio, non-video information separation module during carrying out these information separation and Extraction, running into appearance examination pass judgment on deduction of points point time, it is possible to immediately notice DEMSAV file reappear playback module, i.e. can provide out of service；
J, for reappearing the module of playback when running into the notice occurring passing judgment on deduction of points point, automatically make brief stay and wait, to causing the attention of observer；
K, accept to reappear the related service function such as operational order of playback operation personnel in real time by providing for reappearing the module of playback, so that the requirement of operator can preferably be met, and realize suspending, amplify, function and the service such as duplication, for reappearing the man machine interface that playback operation people provides friendly.
The method examined Information Security and make its energy reproduced in synchronization is driven in raising the most according to claim 2, it is characterised in that:
(one), the A of the method for acquisition step, by data acquisition unit, multichannel video information is merged into before storing single channel video information CVS basic skills on the basis of, moreover it is possible to extension increase following functions:
1. by " digital video allotter ", it is mixed with the user of later analog video and digital video to needing to obtain simultaneously " being mixed with later analog video and digital video " information is provided；
2. by " digital video transmitter " protocol interface, it is possible to outwardly provide the single channel digital video information CVS digital video information of m+k passage being converted into through " digital video blender "；
3. by " Video Decoder ", digital video will be reduced into " Video Decoder " of analog video, provide service to needing to obtain the analog video user after the single channel digital video information CVS that numeral is mixed into；
4. by " analog video monitor " protocol interface, Video Supervisory Signal is provided to the domestic television set with video input interface or other similar video display apparatus can be used；
Above-mentioned expansion service function according to user need and select therein one or more.
The method examined Information Security and make its energy reproduced in synchronization is driven in raising the most according to claim 2, it is characterized in that: on the basis of (one), the B of the method for acquisition step, the basic skills of audio-frequency information HAS that by analogue audio frequency processing unit multichannel audio-frequency information is mixed into single channel, it is also possible to extension increases following functions:
1. by analogue audio frequency allotter, analogue audio frequency audiomonitor interface, it is mixed with later analog audio information to needing listener to provide；
2. by digitized audio frequency harvester, analog audio information is converted into digitized audio message, then is supplied to " extraneous " by " DAB transmitter " interface digitized audio message digitized or claims " third party " to use.
The method examined Information Security and make its energy reproduced in synchronization is driven in raising the most according to claim 3, it is characterized in that: in the method for described (two), storing step, requirement according to user has the form of energy compatible certain multimedia the most already present storage file, makes some multimedia player can carry out wherein audio visual portion reappearing broadcasting；Described multimedia player includes RealPlayer, Windows Media Player, FLASH, MPC, mp4 player, likes strange skill or Tengxun's video player, but is also not limited to above several multimedia player.
The method examined Information Security and make its energy reproduced in synchronization is driven in raising the most according to claim 3, it is characterized in that: in the method for described (two), storing step, for ensureing the safe and reliable of examinee's exam information, need to use the one among following encryption method or 2 kinds:
1. step C, first pass through audio frequency, video information CVS that acquisition step is collected by vision mixer and audio-frequency information HAS are digitized compression and process, formed a kind of can meet certain compression standard requirement all audio frequency video monitoring information that carry examinee's examination process, during the audio and video information CAVS that occurs with the form after compression；After being first encrypted before compression process, then embed non-audio, non-video information, finally give " storage logging modle " or claim " file recorder " to carry out storing record；
2. the exam information of examinee is suitably embedded in good time in the storage frame of the audio and video streams after compression, even if as a kind of when DEMSAV file being played out with general media player the observation of the superfine heart make also to be difficult to the video noise that finds and be present in DEMSAV file, it is ensured that the disguise of information deposit position.
The method examined Information Security and make its energy reproduced in synchronization is driven in raising the most according to claim 4, it is characterized in that: drive in described guarantee and examine in the back method that synchronizing information reappears: for ensureing the safe and reliable of examinee's exam information, increase storage and the safety of management of DEMSAV file；Need use following methods:
1. in order to reach to meet the information storage of requirement and the effect reappeared, special DEMSAV file must be used when reappearing playback to reappear playback software or hardware device and to reappear and Tong Bu effect to realize complete data message；
2. driver's examination process multi information audio video file DEMSAV special player provides only the function relevant to reappearing playback, editting functions such as distorting is not provided, make DEMSAV file become a kind of read-only file in face of its special player, do not allow it is carried out secondary write；
3. driver's examination process multi information audio video file DEMSAV special player is by using following function, realize examination & verification play operation person's authority and the means of record operator message, prevent the people not obtaining mandate from optionally using and frightening and illegally make employment, thus increase the storage of DEMSAV file and the safety of management.
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| CN201510124129.8A CN106034226A (en) | 2015-03-20 | 2015-03-20 | Method for improving safety of driving test information and enabling synchronized reproduction of driving test information |
| US15/559,836 US10721517B2 (en) | 2015-03-20 | 2016-03-18 | Method and system for synchronously reproducing multimedia multi-information |
| PCT/CN2016/076796 WO2016150350A1 (en) | 2015-03-20 | 2016-03-18 | Method and system for synchronously reproducing multimedia multi-information |
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Application publication date: 20161019 |