CN109788295A - Video data decoding analysis system - Google Patents
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- CN109788295A CN109788295A CN201910051550.9A CN201910051550A CN109788295A CN 109788295 A CN109788295 A CN 109788295A CN 201910051550 A CN201910051550 A CN 201910051550A CN 109788295 A CN109788295 A CN 109788295A
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- 238000004458 analytical method Methods 0.000 title claims abstract description 47
- 239000010453 quartz Substances 0.000 claims abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000010355 oscillation Effects 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 17
- 230000009467 reduction Effects 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 17
- 238000013461 design Methods 0.000 claims description 16
- 230000003139 buffering effect Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 238000013500 data storage Methods 0.000 claims description 2
- 230000003993 interaction Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000007405 data analysis Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003326 Quality management system Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The present invention relates to a kind of video data decoding analysis systems, it include: AVS decoding main body, including entropy decoder, inverse DCT, counter-scanning device and inverse transformer, the entropy decoder is connect with the inverse DCT, and the counter-scanning device is connect with the inverse transformer and the inverse DCT respectively；Parameter adjustment device, the data processing velocity doubles for the currently received working clock frequency adjustment counter-scanning device based on inverse DCT.Video data decoding analyzing system performance of the invention optimizes, decoding is effective.Due to the data processing velocity doubles of the currently received working clock frequency adjustment counter-scanning device based on inverse DCT, and in order to keep the internal heat of equipment not transfinite, reduction processing is carried out to the frequency of oscillation of the quartz resonator of equipment when equipment cooling is excessive, and then the working frequency of equipment is controlled, to optimize the performance of AVS decoding system.
Description
Technical field
The present invention relates to data analysis field more particularly to a kind of video data decoding analysis systems.
Background technique
Data analysis refer to statistical analysis technique appropriate to collect come mass data analyze, extract useful letter
Breath and formed conclusion and to data be subject in detail research and summary process.This process is also the branch of quality management system
Hold process.In practical, data analysis can help people to judge, to take appropriate action.
The Fundamentals of Mathematics of data analysis have just been established in early stage in 20th century, but until the appearance of computer just makes practical behaviour
It is made for possibility, and data analysis is promoted.Data analysis is the product that mathematical and computer sciences combine.
Summary of the invention
According to an aspect of the present invention, a kind of video data decoding analysis system is provided, the system comprises: AVS solution
Code main body, including entropy decoder, inverse DCT, counter-scanning device and inverse transformer, the entropy decoder and the inverse DCT connect
It connects, the counter-scanning device is connect with the inverse transformer and the inverse DCT respectively；Parameter adjustment device, for being based on inverse
Change the data processing velocity doubles of the currently received working clock frequency adjustment counter-scanning device of device.
More specifically, in the video data decoding analysis system: when currently received work based on inverse DCT
The data processing velocity doubles of clock frequency adjustment counter-scanning device include: that the currently received working clock frequency of inverse DCT is got over
The data processing velocity doubles of height, counter-scanning device adjusted are faster.
More specifically, in the video data decoding analysis system, further includes: SDRAM stores equipment, for depositing in advance
The shape for storing up inverse DCT, is also used to be stored in advance the shape of counter-scanning device；Multiple humidity detection units are separately positioned on described
The inside of counter-scanning device, spread geometry and the counter-scanning of the multiple humidity detection unit in the inside of the counter-scanning device
The shape of device matches, each humidity detection unit is used to incude the humidity of its position to export as real-time humidity；
Multiple temperature detecting units are separately positioned on the inside of the inverse DCT, and the multiple temperature detecting unit is in the inverse
The shape for changing the spread geometry and the inverse DCT of the inside of device matches, each temperature detecting unit is for incuding its institute
Position temperature to be exported as real time temperature；Psychrometrc analysis equipment is connect with the multiple humidity detection unit respectively, is used
In multiple real-time humidities that the multiple humidity detection unit of reception exports respectively, and weighting is executed to the multiple real-time humidity
Average calculating operation is to obtain interior humidity reference value；Temperature analysis equipment connect with the multiple temperature detecting unit respectively, is used for
Multiple real time temperatures that the multiple temperature detecting unit exports respectively are received, and it is flat to execute weighting to the multiple real time temperature
Equal operation is to obtain internal temperature reference value；Voice playing equipment, respectively with the temperature analysis equipment and the psychrometrc analysis
Equipment connection is referred to for receiving the internal temperature reference value and the interior humidity reference value, and to the internal temperature
Value and the interior humidity reference value carry out real-time voice broadcasting；Quartz resonator is arranged near inverse DCT, is used for base
Frequency of oscillation in itself provides the working clock frequency directly proportional to the frequency of oscillation for inverse DCT；Parameter analysis of electrochemical is set
It is standby, the inside of inverse DCT is set, for detecting the heat inside inverse DCT, to distribute heat output as current.
The present invention at least has following three important inventive points:
(1) data processing of the currently received working clock frequency adjustment counter-scanning device based on inverse DCT doubles speed
Degree；
(2) in order to keep the internal heat of equipment not transfinite, when equipment cooling is excessive to the quartz resonator of equipment
Frequency of oscillation carries out reduction processing, and then controls the working frequency of equipment；
(3) targetedly multicomponent testing mechanism is built for the detection of equipment inner parameter, improves equipment inner parameter
Validity and availability.
Video data decoding analyzing system performance of the invention optimizes, decoding is effective.Due to based on the current of inverse DCT
The data processing velocity doubles of received working clock frequency adjustment counter-scanning device, and in order to keep the internal heat of equipment not
It transfinites, reduction processing is carried out to the frequency of oscillation of the quartz resonator of equipment when equipment cooling is excessive, and then control equipment
Working frequency, to optimize the performance of AVS decoding system.
Specific embodiment
The embodiment of video data decoding analysis system of the invention will be described in detail below.
Quartz oscillator also known as quartz resonator, abbreviation crystal oscillator are to utilize the quartz crystal slice with piezoelectric effect
It is manufactured.Mechanical oscillation can be generated when effect of this quartz crystal by applied alternating field, when the frequency of alternating electric field
When rate is identical as the intrinsic frequency of quartz crystal, vibration just becomes very strong, and here it is the reactions of crystal resonant characteristic.Utilize this
Kind characteristic, so that it may replace LC (coil and capacitor) resonant tank, filter etc. with quartz resonator.Due to quartz resonance utensil
Have the advantages that small in size, light-weight, high reliablity, frequency stability are high, is applied in household electrical appliance and communication equipment.Quartz
Resonator is used primarily in the oscillating circuit for requiring frequency sufficiently stable because having high frequency stability and makees resonant element
Part.
In the prior art, the data of counter-scanning device can not be adjusted based on the currently received working clock frequency of inverse DCT
Processing velocity doubles and when excessive equipment cooling can not the frequency of oscillation to the quartz resonator of equipment carry out reduction processing,
And then the working frequency of equipment is controlled, it does not transfinite so as to cause the internal heat that cannot keep equipment.
In order to overcome above-mentioned deficiency, the present invention has built a kind of video data decoding analysis system, can effectively solve the problem that phase
The technical issues of answering.
The video data decoding analysis system shown according to an embodiment of the present invention includes:
AVS decodes main body, including entropy decoder, inverse DCT, counter-scanning device and inverse transformer, the entropy decoder and institute
Inverse DCT connection is stated, the counter-scanning device is connect with the inverse transformer and the inverse DCT respectively；
Parameter adjustment device, the number for the currently received working clock frequency adjustment counter-scanning device based on inverse DCT
According to processing velocity doubles.
Then, continue that the specific structure of video data decoding analysis system of the invention is further detailed.
In the video data decoding analysis system:
The data processing velocity doubles packet of currently received working clock frequency adjustment counter-scanning device based on inverse DCT
Include: the currently received working clock frequency of inverse DCT is higher, and the data processing velocity doubles of counter-scanning device adjusted are got over
Fastly.
In the video data decoding analysis system, further includes:
SDRAM stores equipment, for the shape of inverse DCT to be stored in advance, is also used to be stored in advance the outer of counter-scanning device
Shape；
Multiple humidity detection units, are separately positioned on the inside of the counter-scanning device, and the multiple humidity detection unit exists
The spread geometry of the inside of the counter-scanning device and the shape of the counter-scanning device match, each humidity detection unit is used for
The humidity of its position is incuded to export as real-time humidity；
Multiple temperature detecting units, are separately positioned on the inside of the inverse DCT, and the multiple temperature detecting unit exists
The spread geometry of the inside of the inverse DCT and the shape of the inverse DCT match, each temperature detecting unit is used for
The temperature of its position is incuded to export as real time temperature；
Psychrometrc analysis equipment is connect with the multiple humidity detection unit respectively, for receiving the multiple Humidity Detection
Multiple real-time humidities that unit exports respectively, and weighted mean operation is executed to obtain interior humidity to the multiple real-time humidity
Reference value；
Temperature analysis equipment is connect with the multiple temperature detecting unit respectively, for receiving the multiple temperature detection
Multiple real time temperatures that unit exports respectively, and weighted mean operation is executed to obtain internal temperature to the multiple real time temperature
Reference value；
Voice playing equipment is connect, for receiving respectively with the temperature analysis equipment and the psychrometrc analysis equipment
Internal temperature reference value and the interior humidity reference value are stated, and the internal temperature reference value and the interior humidity are referred to
Value carries out real-time voice broadcasting；
Quartz resonator is arranged near inverse DCT, provides for the frequency of oscillation based on itself for inverse DCT
The working clock frequency directly proportional to the frequency of oscillation；
The inside of inverse DCT is arranged in Parameter analysis of electrochemical equipment, for detecting the heat inside inverse DCT, using as working as
Before distribute heat output；
Threshold value comparison equipment is connect with the Parameter analysis of electrochemical equipment, for receive it is described currently distribute heat, and receiving
To when currently distributing heat more than or equal to design heat amount threshold value, gave off heat high RST；
Driving equipment is vibrated, is connect respectively with the quartz resonator and the threshold value comparison equipment, for receiving
When the heat crosses high RST, the frequency of oscillation of the quartz resonator is reduced based on the numerical value for currently distributing heat；
Wherein, the threshold value comparison equipment be also used to it is described currently distribute heat less than the design heat amount threshold value when,
Give off heat normal signal；
Wherein, the oscillation driving equipment is also used to when receiving the heat normal signal, keeps the quartz humorous
The frequency of oscillation of vibration device.
In the video data decoding analysis system:
In the oscillation driving equipment, the vibration of the quartz resonator is reduced based on the numerical value for currently distributing heat
Swinging frequency includes: that the numerical value for currently distributing heat is higher, and the reduction amplitude of the frequency of oscillation of the quartz resonator is bigger.
In the video data decoding analysis system:
The working frequency of the inverse DCT is declined accordingly in the frequency of oscillation decline of the quartz resonator
Operation.
In the video data decoding analysis system:
The inverse DCT realizes that the programmable logic device is set using VHDL using programmable logic device
Meter.
In the video data decoding analysis system:
Data connection and data are carried out by 16 bit parallel data interfaces between the inverse DCT and the counter-scanning device
Interaction.
In the video data decoding analysis system:
The inverse DCT and the counter-scanning device share same live timing device and share same supply input equipment.
In the video data decoding analysis system:
Data buffering device is additionally provided between the inverse DCT and the counter-scanning device；
Wherein, the entropy decoder also receives data storage device with AVS and connect, and receives data for obtaining AVS.
In the video data decoding analysis system:
The data buffering device is connect with the inverse DCT and the counter-scanning device respectively by two data-interfaces.
In addition, VHDL is mainly used for describing the structure of digital display circuit, behavior, function and interface.In addition to containing there are many have
Outside the sentence of hardware characteristics, linguistic form, Description Style and the grammer of VHDL is to be sufficiently analogous to general computer advanced
Language.The program structure features of VHDL are that an engineering design or design entity (can be an element, a circuit
Module or a system) it is divided into external (or viewable portion and port) and inside (or not visible part), both it is related to entity
Built-in function and algorithm complete part.After defining outer interface to a design entity, once its internal exploitation is completed
Afterwards, other designs can call directly this entity.This concept that design entity is divided into internal and external parts is VHDL system
The basic point for design of uniting.
VHDL has powerful language construction, can describe complicated logic control with succinct specific source code
System.He has multi-level design representation function, refines layer by layer, can finally directly generate circuit-level description.VHDL supports to synchronize
The design of circuit, asynchronous circuit and stochastic circuit, this is that other hardware description languages cannot compare.VHDL also supports various
Design method had not only supported bottom-up design, but also has supported top-down design；Not only support moduleization designed, but also support layer
Secondaryization design.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (10)
1. a kind of video data decoding analysis system characterized by comprising
AVS decodes main body, including entropy decoder, inverse DCT, counter-scanning device and inverse transformer, the entropy decoder and described anti-
Quantizer connection, the counter-scanning device are connect with the inverse transformer and the inverse DCT respectively；
Parameter adjustment device, for based on inverse DCT currently received working clock frequency adjustment counter-scanning device data at
Manage velocity doubles.
2. video data decoding analysis system as described in claim 1, it is characterised in that:
The data processing velocity doubles of currently received working clock frequency adjustment counter-scanning device based on inverse DCT include: anti-
The currently received working clock frequency of quantizer is higher, and the data processing velocity doubles of counter-scanning device adjusted are faster.
3. video data decoding analysis system as claimed in claim 2, which is characterized in that the system also includes:
SDRAM stores equipment and is also used to be stored in advance the shape of counter-scanning device for the shape of inverse DCT to be stored in advance；
Multiple humidity detection units are separately positioned on the inside of the counter-scanning device, and the multiple humidity detection unit is described
The spread geometry of the inside of counter-scanning device and the shape of the counter-scanning device match, each humidity detection unit is for incuding
The humidity of its position as real-time humidity to export；
Multiple temperature detecting units are separately positioned on the inside of the inverse DCT, and the multiple temperature detecting unit is described
The spread geometry of the inside of inverse DCT and the shape of the inverse DCT match, each temperature detecting unit is for incuding
The temperature of its position as real time temperature to export；
Psychrometrc analysis equipment is connect with the multiple humidity detection unit respectively, for receiving the multiple humidity detection unit
The multiple real-time humidities exported respectively, and weighted mean operation is executed to the multiple real-time humidity to obtain interior humidity reference
Value；
Temperature analysis equipment is connect with the multiple temperature detecting unit respectively, for receiving the multiple temperature detecting unit
The multiple real time temperatures exported respectively, and weighted mean operation is executed to the multiple real time temperature to obtain internal temperature reference
Value；
Voice playing equipment is connect with the temperature analysis equipment and the psychrometrc analysis equipment respectively, for receiving in described
Portion's temperature reference value and the interior humidity reference value, and to the internal temperature reference value and the interior humidity reference value into
Row real-time voice plays；
Quartz resonator is arranged near inverse DCT, provides for the frequency of oscillation based on itself for inverse DCT and institute
State the directly proportional working clock frequency of frequency of oscillation；
The inside of inverse DCT is arranged in Parameter analysis of electrochemical equipment, for detecting the heat inside inverse DCT, to dissipate as current
Calorific value output；
Threshold value comparison equipment is connect with the Parameter analysis of electrochemical equipment, for receive it is described currently distribute heat, and receiving
When currently distributing heat more than or equal to design heat amount threshold value, gave off heat high RST；
Driving equipment is vibrated, connect respectively with the quartz resonator and the threshold value comparison equipment, for described in receive
When heat crosses high RST, the frequency of oscillation of the quartz resonator is reduced based on the numerical value for currently distributing heat；
Wherein, the threshold value comparison equipment be also used to it is described currently distribute heat less than the design heat amount threshold value when, issue
Heat normal signal；
Wherein, the oscillation driving equipment is also used to keep the quartz resonator when receiving the heat normal signal
Frequency of oscillation.
4. video data decoding analysis system as claimed in claim 3, it is characterised in that:
In the oscillation driving equipment, the oscillation frequency of the quartz resonator is reduced based on the numerical value for currently distributing heat
Rate includes: that the numerical value for currently distributing heat is higher, and the reduction amplitude of the frequency of oscillation of the quartz resonator is bigger.
5. video data decoding analysis system as claimed in claim 4, it is characterised in that:
The working frequency of the inverse DCT carries out corresponding decline behaviour in the frequency of oscillation decline of the quartz resonator
Make.
6. video data decoding analysis system as claimed in claim 5, it is characterised in that:
The inverse DCT realizes that the programmable logic device is designed using VHDL using programmable logic device.
7. video data decoding analysis system as claimed in claim 6, it is characterised in that:
Data connection and data interaction are carried out by 16 bit parallel data interfaces between the inverse DCT and the counter-scanning device.
8. video data decoding analysis system as claimed in claim 7, it is characterised in that:
The inverse DCT and the counter-scanning device share same live timing device and share same supply input equipment.
9. video data decoding analysis system as claimed in claim 8, it is characterised in that:
Data buffering device is additionally provided between the inverse DCT and the counter-scanning device；
Wherein, the entropy decoder also receives data storage device with AVS and connect, and receives data for obtaining AVS.
10. video data decoding analysis system as claimed in claim 9, it is characterised in that:
The data buffering device is connect with the inverse DCT and the counter-scanning device respectively by two data-interfaces.
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Denomination of invention: Video data decoding and analysis system Effective date of registration: 20230128 Granted publication date: 20200911 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: Zhejiang Huayan Vision Technology Co.,Ltd. Registration number: Y2023330000243 |