CN107945477A - The method and device that infrared or wireless remote control signals data are compressed - Google Patents
The method and device that infrared or wireless remote control signals data are compressed Download PDFInfo
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- CN107945477A CN107945477A CN201711105298.2A CN201711105298A CN107945477A CN 107945477 A CN107945477 A CN 107945477A CN 201711105298 A CN201711105298 A CN 201711105298A CN 107945477 A CN107945477 A CN 107945477A
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
Abstract
The present invention relates to a kind of method being compressed to infrared or wireless remote control signals data, include the following steps：Obtain the waveform of a remote signal after arranging；Calculate the level state of each level section in the envelope waveform and the duration of this section of level one by one successively in chronological order；Obtain level section and inventory occur；According to the principle of setting, by order of the multiple codings in be previously stored coded set according to its code length from short to long, the level section occurred to the level section in inventory is sequentially allocated, obtains the storage data of the waveform of the remote signal.The invention further relates to a kind of device for realizing the above method.Implement the method and device being compressed to infrared or wireless remote control signals data of the present invention, have the advantages that：It needs that the data volume that records is smaller, cost is relatively low.
Description
Technical field
The present invention relates to data processing and coding, more specifically to one kind to infrared or wireless remote control signals data
The method and device being compressed.
Background technology
Current most infrared remote control, Simple wireless remote control, signal transmission all use pulse width modulation or pulsion phase
Position modulation, to this kind of signal carry out catch recording impulse high-low level time, data volume is bigger, storage and transmission not side
Just.Generally, needing to record the occasion of above-mentioned remote signal, such as, it is necessary to which letter will be generally remotely controlled in study remote controller
Number record and store, due to being not know which kind of agreement the signal can use in advance, it is impossible to binary data is recorded, it is logical
The level duration of the remote signal by high-speed sampling, can be often recorded, so in storage and transmitting also without judgement
Signal, it is all right directly to be reverted to the waveform being originally received by the agreement of use.Though this method used in the prior art
It can so realize the reproduction of remote signal waveform, but the speed of high-speed sampling is very fast, byte thus occurs
Remote signal, it may be necessary to which a bytes up to a hundred are come situation about representing.Huge data volume to store, transmits and all becomes larger
Burden, meanwhile, high-speed sampling can also bring extra device cost to the more demanding of device.Therefore, solution of the prior art
Certainly the data volume of scheme is big, cost is higher.
The content of the invention
The technical problem to be solved in the present invention is, for the prior art above-mentioned data volume it is big, cost is higher the defects of,
There is provided that a kind of data volume is small, the lower-cost method and device being compressed to infrared or wireless remote control signals data.
The technical solution adopted by the present invention to solve the technical problems is：Construction one kind is to infrared or wireless remote control signals number
According to the method being compressed, include the following steps：
A the waveform of a remote signal after arranging) is obtained；The waveform of one remote signal refers to trigger remote controler
A button and the envelope waveform of the signal of a complete telecommand that sends；
B the level state and this section of electricity of each level section in the envelope waveform) are calculated one by one successively in chronological order
The flat duration；
C) counting has time of identical level state and the appearance of the level section of identical duration in the envelope waveform
Number, it is arranged in order according to the descending order of the number of appearance, level section is obtained and inventory occurs；
D) according to the principle of setting, by multiple codings in be previously stored coded set according to its code length by short
To long order, the level section occurred to the level section in inventory is sequentially allocated, obtains the storage of the waveform of the remote signal
Data.
Further, step D) in setting principle include by the shortest coding assignment of code length give described distant
The level section that occurrence number is most in signal waveform is controlled, and so on so that the level section occurs in inventory from the front to the back
The level section of arrangement correspond respectively to the coding of code length from short to long.
Further, further include and obtain multiple remote signal waveforms, and acquirement ripple is carried out to each remote signal respectively
State and duration of the shape with level in the level section calculated in its waveform, form the level for including multiple remote signal waveforms
There is inventory in section, and uniformly the level section in inventory occurs to the level section including multiple remote signal waveforms and encode
Distribution.
Further, following steps are further included：
E) according to the correspondence between the level section and the coding, the coding table of comparisons of the remote signal is formed.
Further, the level section includes jumping again to the level jumping to a level by opposite level
Going to period that opposite level terminates or jumping to a level by opposite level, relative level is jumped to again
And maintain to redirect the period of end again to the relative level.
Further, the level section includes one or double figures in the data byte that the remote signal represents
According to.
Further, the step A) further comprise：
A1 adaptive-filtering) is carried out to the remote control signal data；
A2 equalization processing) is carried out to level of the duration difference in setting range, i.e., is differed for the duration
High level or bottom level in setting range are averaged, and electricity actual in this position is then substituted using the average value
The flat duration.
The invention further relates to a kind of device for realizing the above method, including：
Remote signal processing unit：For obtaining the waveform of a remote signal after arranging；One remote signal
The waveform envelope waveform of the signal of a complete telecommand that refers to a button for triggering remote controler and send；
Level section acquisition unit：For calculating each level section in the envelope waveform one by one successively in chronological order
The duration of level state and this section of level；
There is inventory acquisition unit：For count have in the envelope waveform identical level state and it is identical lasting when
Between level section occur number, it is arranged in order according to the descending order of the number of appearance, obtain level section appearance
Inventory；
Code distribution unit：For the principle according to setting, by multiple codings in be previously stored coded set by
According to the order of its code length from short to long, the level section occurred to the level section in inventory is sequentially allocated, obtains the remote control
The storage data of the waveform of signal.
Further, the principle of setting is included the shortest coding assignment of code length in the remote signal waveform
The most level section of middle occurrence number, and so on so that there is the electricity of the arrangement in inventory from the front to the back in the level section
Flat section corresponds respectively to the coding of code length from short to long.
Further, the remote signal processing unit further comprises：
Filter module：For carrying out adaptive-filtering to the remote control signal data；
Equalization module：For carrying out equalization processing to duration level of the difference in setting range, i.e., for
High level or bottom level of the duration difference in setting range are averaged, and then substitute the position using the average value
Put actual level duration.
Implement the method and device being compressed to infrared or wireless remote control signals data of the present invention, have beneficial below
Effect：Substituted due to the use of coding in a data segment or the level section (being typically one or two data bit) in remote signal
Level position and level duration, the characteristics of due to infrared or wireless remote control signals waveform, the phase in limited data bit
The level block of adjacent two data bit is often more regular, therefore be able to may be gone out with limited one agreement of coded representation
Level combinations on one or two existing data bit width, so as to avoid being required for storage high-speed sampling for each data bit
The huge data volume brought, as long as recording limited data with regard to remote signal can be recovered.Therefore, the data volume that its needs records
It is smaller, cost is relatively low.
Brief description of the drawings
Fig. 1 is the method flow in the method and device that the present invention is compressed infrared or wireless remote control signals data
Figure；
Fig. 2 is the apparatus structure schematic diagram in the embodiment.
Embodiment
Below in conjunction with attached drawing, embodiments of the present invention is further illustrated.
As shown in Figure 1, in a kind of method and device being compressed to infrared or wireless remote control signals data of the present invention
In embodiment, a kind of method being compressed to infrared or wireless remote control signals data is constructed, is included the following steps：
Step S11 obtains the remote control signal data after an arrangement：In the present invention with a study remote controller how
Take or wireless remote control infrared to one instruction to handle, obtain the data after its coding and carry out being stored as example, illustrate at this
The process that infrared or wireless remote control signals data are handled in embodiment.It is to be appreciated that for simplicity, only relate to
And a telecommand, but obtain in the specific implementation or first the data or waveform of a plurality of telecommand, Ran Hou
Every instruction is analyzed respectively, waveform (level section) set including a plurality of instruction is finally obtained, is then unified for its point
With coding.Such way to judge a level section whether be most common and to the action more of its allocated code subject to
Really.In the present embodiment, which receives the telecommand that an other remote controler is sent first, it is solved
Adjust, obtain, for modulating envelope waveform infrared or without existing carrier wave, i.e. level signal, in this step, exactly obtaining above-mentioned warp
Cross the envelope signal after processing, the complete remote control that one remote control signal data refers to one button of triggering and sends
Data after the demodulation of the signal of instruction.Arrangement in the present embodiment, further include to above-mentioned data carry out adaptive-filtering and
Equalization is handled, and is specifically included and is carried out adaptive-filtering to the remote control signal data；Then duration difference is being set
In the range of level carry out equalization processing, i.e., carried out for duration high level of the difference in setting range or bottom level
Average, level duration actual in this position is then substituted using the average value.
Step S12 obtains the level section of the waveform one by one in chronological order：In this step, in chronological order successively one by one
Calculate the level state of each level section in the envelope waveform and the duration of this section of level.It is distant due in reality
The every kind of or each agreement for the remote signal that control device is sent or household electrical appliances receive is typically by producer oneself definition and popular, its table
Show the 0 of binary number and 1 level, the duration of the level, duration of a data bit be usually all it is different,
Meanwhile its definition to each data bit in an instruction is also different.Therefore, in practical operation, particularly learning
In habit type remote controler, the real meaning for making the every telecommand received clear is substantially impossible.Unique feasible
Method is the waveform of the modulated signal for every instruction for intactly remembeing to receive, and when reappearing the instruction, is correctly referred to this
Make wave recurrence come out, rather than go to obtain the concrete meaning of the instruction.For this reason, in the prior art, it can just use and adopt at a high speed
The mode of sample records modulation waveform, directly records the level that uses every time, and these sampled values are suitable according to the sampling time
Sequence records, and since sample rate is very fast, although such scheme can also reappear remote signal, its cost is very big, because
The data volume of sampling is very big, and intactly record needs larger memory space.Simultaneously as the intrinsic spy of remote signal
Point, its level change are very regular, this allows for having substantial amounts of repetition in sampled data.In this step, according to one
The time span of a setting, is divided into multiple level sections adjacent in time, which can be by above-mentioned envelope waveform
A data or the two bits even length of long numeric data during remote signal byte representation.An if for example, remote control
Signal includes four bytes, and each byte includes 8 data, then a total of 32 data of this remote signal are, if with 1
The time span of data bit is a level section, then the bars includes 32 level sections；If grown with the time of 2 data bit
Spend for a level section, then including 16 level sections.In this step, be exactly according to these level sections appearance order, one by one
Judge the duration of the level (i.e. level height or level state) and the level in the level section, such judgement is equally
Carried out according to appearance order of the level in level section.It is noted that under certain situation in the present embodiment, on
The duration for stating level section can also be random length, for example, can be using a high level or a low level as one
Level section, the level starts the level section again, to the level conversion or redirects end.Such setting can cause for one
, it is necessary to which the data of storage are further reduced for a remote signal, but what its deterministic process was fixed compared with level section time span
Situation is increasingly complex, its measurement request also higher.
Step S13 counts level section occurrence number, obtains level section and inventory occurs：In this step, the Envelop waves are counted
There is the number that identical level state and the level section of identical duration occur in shape, by its according to appearance number by
Small order is arrived greatly to be arranged in order, and obtains level section and inventory occurs.For one or a remote signal,
Can just obtain multiple level sections after handling according to the method described above, these level sections may have a repetition, i.e., same level with
The level section of same duration may repeatedly occur in a telecommand, and therefore, it is necessary to being obtained in above-mentioned steps
Level section be compared, count, according to its appearance number number, level section is put into an inventory successively, is obtained
The appearance inventory of level section, occurrence number are most, are placed on the foremost of the inventory.In some cases it is also possible to occur one
There is each level section arrangement in inventory in the different situation of all level sections in a telecommand, at this time, its level section
Order be random, but arrange after would not put in order changing it again.As temporary data, for each level
Section can be described using multiple bytes, for example, in the level section that a level will not convert, can use one
Byte (for example, 8 data) records the level of the level section, and records the level using two bytes (for example, 16 data)
Hold time；And in the changed level section of level, the state before two byte records level translations, example can be used
Such as, a byte records level, byte records level are held time；It is same after level change to be remembered using two bytes
Record etc..In this case, comparing and count the work of level section becomes relatively simple, as long as whether comparing these data
It is identical, describe that the data of level section are identical, then level is identical；It is conversely, then different.In addition, occur going out in inventory above-mentioned
Existing, and description or the record data of such level section.
Step S14 will be encoded and be distributed to each level section occurred in inventory by the principle of setting：In this step, press
According to the principle of setting, by order of the multiple codings in be previously stored coded set according to its code length from short to long,
The level section occurred to the level section in inventory is sequentially allocated, obtains the storage data of the waveform of the remote signal.In this reality
Apply in example, the principle of above-mentioned setting includes the shortest coding assignment of code length going out occurrence in the remote signal waveform
The most level section of number, and so on so that there is the level section difference of the arrangement in inventory from the front to the back in the level section
Corresponding to the coding of code length from short to long.In other words, in the present embodiment, above-mentioned coding is to be previously stored in a volume
In code collection, which includes the different coding of multiple length, these codings are according to its length allocation to above-mentioned level
Section occurs in the level section in inventory, the more forward level section in the inventory, it is meant that its occurrence number is more, it is assigned to
Coding length it is shorter.In above-mentioned coded set, each code length is different, and will not be misdeemed after data are formed.
For example,.The data of each coding beginning are 0, thereafter using the 1 of different numbers, to represent different codings, are so being formed
After coded data, situation about misreading would not occur.For example, being encoded in a coded set：01、011、0111、
01111 ... etc.；Although so data bit is more, take out encode when will not misread, can accurately read, this be by
As long as in reading data 0, mean that and start a new coding.
In foregoing description, the example of one remote signal waveform of single treatment is given.In the present embodiment, can be with one
The secondary multiple remote signals of processing, the level section occurrence number so obtained are more objective., can be with when handling multiple remote signals
Obtain multiple remote signal waveforms, and to each remote signal obtain waveform respectively and calculate in level section in its waveform
There is inventory in the state of level and duration, the level section that being formed includes multiple remote signal waveforms, and uniformly to the bag
There is level section in inventory and carries out coding assignment in the level section for including multiple remote signal waveforms.At this time, there is inventory in level section
In level section be the level section used occurred in multiple remote signals, and each level section occurs in multiple remote signals
Number.
In addition, in the present embodiment, it can also include the following steps：According to pair between the level section and the coding
It should be related to, form the coding table of comparisons of the remote signal.The level section recorded in such table of comparisons is equally above-mentioned use
What multiple data represented.The coding table of comparisons enables to its quick when recovering remote signal.Recover exactly.Similarly,
Remote signal in the coding table of comparisons can be one or multiple.
The invention further relates to a kind of device for realizing the above method, as shown in Fig. 2, the device includes remote signal processing list
, there is inventory acquisition unit 3 and code distribution unit 4 in member 1, level section acquisition unit 2；Wherein, remote signal processing unit 1 is used
In the waveform for obtaining a remote signal after arranging；The waveform of one remote signal refer to trigger one of remote controler by
Key and the envelope waveform of the signal of a complete telecommand sent；Level section acquisition unit 2 be used in chronological order according to
The duration of the secondary level state for calculating each level section in the envelope waveform one by one and this section of level；There is inventory to take
Obtain unit 3 and be used to count what is occurred in the envelope waveform with identical level state and the level section of identical duration
Number, it is arranged in order according to the descending order of the number of appearance, level section is obtained and inventory occurs；Code distribution unit
4 are used for the principle according to setting, by multiple codings in be previously stored coded set according to its code length from short to long
Order, be sequentially allocated the level section occurred to the level section in inventory, obtain the storage data of the waveform of the remote signal.
The principle of above-mentioned setting is including giving the occurrence number in the remote signal waveform most the shortest coding assignment of code length
Level section, and so on so that the level section that the arrangement in inventory from the front to the back occurs in the level section corresponds respectively to
The coding of code length from short to long.
In addition, still further comprised in the remote signal processing unit 1：Filter module 11 is used for the remote signal
Data carry out adaptive-filtering；Equalization module 12 is used to carry out equalization to level of the duration difference in setting range
Processing, i.e., average for duration high level of the difference in setting range or bottom level, then flat using this
Average substitutes level duration actual in this position.
Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. method that infrared or wireless remote control signals data are compressed, it is characterised in that include the following steps：A the waveform of a remote signal after arranging) is obtained；The waveform of one remote signal refers to trigger the one of remote controler A button and the envelope waveform of the signal of a complete telecommand sent；B the level state and this section of level of each level section in the envelope waveform) are calculated one by one successively in chronological order Duration；C) counting has the number of identical level state and the appearance of the level section of identical duration in the envelope waveform, will It is arranged in order according to the descending order of the number of appearance, obtains level section and inventory occurs；D) according to the principle of setting, by multiple codings in be previously stored coded set according to its code length from short to long Order, be sequentially allocated the level section occurred to the level section in inventory, obtain the storage data of the waveform of the remote signal.
- 2. the method according to claim 1 that infrared or wireless remote control signals data are compressed, it is characterised in that step Rapid D) in setting principle include by the shortest coding assignment of code length give in the remote signal waveform occurrence number Most level sections, and so on so that the level section that the arrangement in inventory from the front to the back occurs in the level section is right respectively Should be in the coding of code length from short to long.
- 3. the method according to claim 2 that infrared or wireless remote control signals data are compressed, it is characterised in that also Including obtaining multiple remote signal waveforms, and respectively each remote signal is carried out obtaining waveform and calculate the level in its waveform There is inventory in the state of level and duration in section, the level section that being formed includes multiple remote signal waveforms, and uniformly to institute State the level section that the level section including multiple remote signal waveforms occurs in inventory and carry out coding assignment.
- 4. the method according to claim 3 that infrared or wireless remote control signals data are compressed, it is characterised in that also Include the following steps：E) according to the correspondence between the level section and the coding, the coding table of comparisons of the remote signal is formed.
- 5. the method that infrared or wireless remote control signals data are compressed according to claim 1-4 any one, its It is characterized in that, the level section includes jumping to again to the level jumping to a level by opposite level opposite Period that level terminates or jumping to a level by opposite level, jumps to relative level and maintains to should again Relative level redirects the period of end again.
- 6. the method according to claim 5 that infrared or wireless remote control signals data are compressed, it is characterised in that institute State one or two bits in the data byte that level section is represented including the remote signal.
- 7. the method according to claim 6 that infrared or wireless remote control signals data are compressed, it is characterised in that institute State step A) further comprise：A1 adaptive-filtering) is carried out to the remote control signal data；A2 equalization processing) is carried out to level of the duration difference in setting range, i.e., is being set for duration difference Determine the high level in scope or bottom level is averaged, then substituting level actual in this position using the average value holds The continuous time.
- 8. a kind of realize the device that as claimed in claim 1 infrared or wireless remote control signals data are compressed with method, its It is characterized in that, including：Remote signal processing unit：For obtaining the waveform of a remote signal after arranging；The ripple of one remote signal The envelope waveform of the signal for the complete telecommand that shape refers to a button for triggering remote controler and sends；Level section acquisition unit：For calculating the level of each level section in the envelope waveform one by one successively in chronological order The duration of state and this section of level；There is inventory acquisition unit：For counting there is identical level state and identical duration in the envelope waveform The number that level section occurs, it is arranged in order according to the descending order of the number of appearance, level section is obtained and inventory occurs；Code distribution unit：For the principle according to setting, by multiple codings in be previously stored coded set according to it The order of code length from short to long, is sequentially allocated the level section occurred to the level section in inventory, obtains the remote signal Waveform storage data.
- 9. device according to claim 8, it is characterised in that the principle of setting is included the shortest coding point of code length Dispensing most level section of occurrence number in the remote signal waveform, and so on so that the level section occurs clear The level section of arrangement in list from the front to the back corresponds respectively to the coding of code length from short to long.
- 10. device according to claim 9, it is characterised in that the remote signal processing unit further comprises：Filter module：For carrying out adaptive-filtering to the remote control signal data；Equalization module：For carrying out equalization processing to level of the duration difference in setting range, i.e., for continuing High level or bottom level of the time phase difference in setting range are averaged, and are then substituted in this position using the average value Actual level duration.
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| CN113542225A (en) * | 2021-06-17 | 2021-10-22 | 深圳市合广测控技术有限公司 | Data compression method and device, terminal equipment and storage medium |
| CN114137348A (en) * | 2021-11-29 | 2022-03-04 | 国网湖南省电力有限公司 | Intelligent joint debugging acceptance method and acceptance equipment for power distribution terminal |
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| CN113542225A (en) * | 2021-06-17 | 2021-10-22 | 深圳市合广测控技术有限公司 | Data compression method and device, terminal equipment and storage medium |
| CN113542225B (en) * | 2021-06-17 | 2023-08-22 | 深圳市合广测控技术有限公司 | Data compression method and device, terminal equipment and storage medium |
| CN114137348A (en) * | 2021-11-29 | 2022-03-04 | 国网湖南省电力有限公司 | Intelligent joint debugging acceptance method and acceptance equipment for power distribution terminal |
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