CN104199277A - Electronic clock correcting method based on audio transmission - Google Patents
Electronic clock correcting method based on audio transmission Download PDFInfo
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- CN104199277A CN104199277A CN201410386449.6A CN201410386449A CN104199277A CN 104199277 A CN104199277 A CN 104199277A CN 201410386449 A CN201410386449 A CN 201410386449A CN 104199277 A CN104199277 A CN 104199277A
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Abstract
The invention discloses an electronic clock correcting method based on audio transmission. One correcting device transmits information to one or a plurality of corrected devices. The electronic clock correcting method based on audio transmission comprises that (1) the correcting device transmits information and the process comprises the steps of starting clock correction after software start, extracting own clock information and performing audio coding on the information, performing audio coding on starting sign information and ending sign information and attaching the audio-coded starting sign information and ending sign information to the head and the tail of the audio-coded clock information to form audio-coded information to be transmitted, and then transmitting the audio-coded information to be transmitted to a loudspeaker so that the loudspeaker is capable of transmitting the information to the corrected devices in the form of a voice signal, and (2) the corrected devices receive the information through the steps opposite to the steps of transmitting the information, and finally, the extracted clock information is forcibly transmitted to clock chips to change to clock display of the corrected devices, and therefore, electronic clock correction is finished. The electronic clock correcting method based on audio transmission is characterized in that the audio which is easiest to implement and most convenient to operate is used for transmitting the time information to realize quick correction of the electronic clock, and therefore, the efficiency and the operation convenience are improved.
Description
Technical field
The present invention relates to a kind of electronic clock bearing calibration, relate in particular to a kind of electronic clock bearing calibration based on audio transmission.
Background technology
Electronic clock application is very extensive, as all having electronic clock in the equipment such as computer, mobile phone, TV, the whole table of electronics, automobile, train, aircraft.Although the precision of electronic clock is more and more higher, but may weaken or interruption, human operational error's soft and hardware failure and other reasons cause the time inaccurate because of electric weight, become a kind of inevitable demand so electronic clock is proofreaied and correct.At present, electronic clock is proofreaied and correct taking manual and is proofreaied and correct as main, be user taking the electronic clock of certain equipment as benchmark, the electronic clock in other equipment is carried out to manual correction, this method is not only lost time and energy, and be difficult to quick realization in some occasion, such as the electronic watch hanging on square, its volume is large, Heavy Weight, when correction time, bothers very much, some,, because the bad operation in installation site also needs to take off correction, is wasted time and energy more.
Along with the widespread use of GPS, also have now and adopt GPS network to carry out electronic clock correction, such as vehicles such as part automobile, trains, can select gps time to proofread and correct, when i.e. each start or regularly by GPS network automatic time correction, this method conveniently saves trouble, but need the support of GPS network and associated electronic device, so require the equipment of applying electronic clock there is higher application cost and take larger installation volume, so be not easy to apply on the various equipment with electronic clock.
Summary of the invention
Object of the present invention is just to provide in order to address the above problem a kind of electronic clock bearing calibration based on audio transmission of being convenient to apply on the various equipment with electronic clock.
The present invention is achieved through the following technical solutions above-mentioned purpose:
An electronic clock bearing calibration based on audio transmission, sends information by a calibration equipment that comprises electronic clock to one or more equipment that is corrected that comprises electronic clock, it is characterized in that: comprise the following steps:
(1) calibration equipment transmission information step is as follows:
1. start after software, automatically start to carry out clock correction, or, start to carry out clock correction by user's manual triggers;
2. extract self clock information and this information is carried out to audio coding, and the default or interim opening flag information generating and end mark information are carried out to audio coding and invest respectively the front and back of clock information audio coding, form audio coding information to be sent;
3. audio coding information to be sent is sent to loudspeaker, send to voice signal the equipment of being corrected;
(2) be corrected equipment receiving information step as follows:
1. start after software, receive the voice signal that calibration equipment sends and decode by microphone;
2. extract the opening flag information of decoding in rear information and judge, not proofreading and correct if be judged as, finishing this and process, will proofread and correct if be judged as, until there is end mark information in the clock information in the rear information of extraction decoding;
3. by the clock information forced transport of extracting to clock chip, change and be corrected the clock display of equipment, complete electronic clock and proofread and correct.
Audio transmission data message is a kind of ripe routine techniques of applying, but how audio transmission applications being proofreaied and correct in electronic clock is important aspect of the present invention, the present invention takes full advantage of the own resource of the various device with electronic clock, as chip, microphone and loudspeaker, and employing the most easily realizes and the audio transmission temporal information of most convenient operation, realize the Fast Correction of electronic clock.The above-mentioned coding to clock information, opening flag information and end mark information all adopts general audio coding mode to realize, or adopts as required custom coding mode to realize, and decodes as the same; And opening flag information and end mark information itself also can adopt general information, or directly adopt general audio-frequency information, or, specific information also can be adopted as required.
In order to ensure the accuracy of time adjustment, audio coding information continuous several times to be sent is sent to loudspeaker by calibration equipment; Be corrected equipment first by continuous several times extract clock information contrast, if identical again by extract clock information forced transport to clock chip, if difference do not proofread and correct, and show proofread and correct unsuccessfully, finish this processing.
As preferably, calibration equipment is by the double audio coding information to be sent loudspeaker that sends to.
Particularly, the equipment that is corrected extracts the method that the opening flag information in information judges after decoding and is: if this opening flag information information default with being corrected equipment self is identical, is judged as and will proofreaies and correct, otherwise be judged as and do not proofread and correct.
Further, the step of described step (1) 2. in, repeat once this step, with the correctness of verification audio coding information to be sent.
In order to make clock correction more accurate, the step of described step (2) 3. in, the clock information of extraction is added before this to time in this period while extracting self clock information to described calibration equipment, forced transport is to clock chip.Described here " time in this period while extracting self clock information to described calibration equipment before this ", can determine according to the averaging time drawing after repeatedly testing in advance, set in advance in this calibration equipment by software, in the time changing electronic clock, directly add; Also can pass through the instant detection computations of other method.
Beneficial effect of the present invention is:
The present invention takes full advantage of the own resource of the various device with electronic clock, do not changing existing equipment structure as far as possible, changing less on the basis of software content, adopt the audio transmission temporal information of the most easily realization and most convenient operation, to realize the Fast Correction of electronic clock, efficiency and simple operation are significantly improved with respect to manual correction, proofread and correct and saved equipment cost with respect to GPS, and can be widely used on the various equipment with electronic clock.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
Embodiment:
Taking mobile phone to automobile electric sublist transmission time information as example, the electronic clock bearing calibration based on audio transmission of the present invention comprises the following steps:
(1) calibration equipment transmission information step is as follows:
1. after handset starting software, start to carry out clock correction by user's manual triggers; In this step, if change the equipment that needs correction time into head of a bed electronic watch, also can after handset starting software, automatically start to carry out clock correction;
2. cell phone software extraction self clock information also carries out audio coding by this information, and the default or interim opening flag information generating and end mark information are carried out to audio coding and invest respectively the front and back of clock information audio coding, form audio coding information to be sent; For the correctness of verification audio coding information to be sent, this step can repeat once;
3. audio coding information to be sent is sent to loudspeaker by cell phone software, sends to by automobile electric sublist with voice signal; In this step, in order to ensure the accuracy of time adjustment, mobile phone is double sends to loudspeaker by audio coding information continuous several times to be sent;
(2) be corrected equipment receiving information step as follows:
1. automobile electric sublist starts after software, is received the voice signal that mobile phone sends and is decoded by microphone;
2. automobile electric sublist software extracts the opening flag information in the rear information of decoding and judges, if this opening flag information information default from being corrected equipment self is different, be judged as and do not proofread and correct, and finish this processing, if this opening flag information information default with being corrected equipment self is identical, be judged as and will proofread and correct, and extract the clock information of decoding in rear information until there is end mark information; In order to ensure the accuracy of time adjustment, in this step, automobile electric sublist software by continuous several times extract clock information contrast, enter again next step if identical, if difference do not proofread and correct, and show proofread and correct unsuccessfully, finish this processing;
3. the time in this period when automobile electric sublist software is added before this to described calibration equipment extraction self clock information by the clock information of extraction, forced transport, to clock chip, changes the clock display of automobile electric sublist software, completes electronic clock and proofreaies and correct.
After above-mentioned steps, the electronic clock of automobile electric sublist is proofreaied and correct by mobile phone, and is modified to and the identical time showing of electronic clock of mobile phone, and whole process is very simple, quick.The electronic clock trimming process of miscellaneous equipment similarly, can complete fast.
The above-mentioned coding to clock information, opening flag information and end mark information all adopts general audio coding mode to realize, or adopts as required custom coding mode to realize, and decodes as the same; And opening flag information and end mark information itself also can adopt general information, or directly adopt general audio-frequency information, or, specific information also can be adopted as required.
Above-described embodiment is preferred embodiment of the present invention; it is not the restriction to technical solution of the present invention; as long as the technical scheme that can realize on the basis of above-described embodiment without creative work, all should be considered as falling within the scope of the rights protection of patent of the present invention.
Claims (6)
1. the electronic clock bearing calibration based on audio transmission, sends information by a calibration equipment that comprises electronic clock to one or more equipment that is corrected that comprises electronic clock, it is characterized in that: comprise the following steps:
(1) calibration equipment transmission information step is as follows:
1. start after software, automatically start to carry out clock correction, or, start to carry out clock correction by user's manual triggers;
2. extract self clock information and this information is carried out to audio coding, and the default or interim opening flag information generating and end mark information are carried out to audio coding and invest respectively the front and back of clock information audio coding, form audio coding information to be sent;
3. audio coding information to be sent is sent to loudspeaker, send to voice signal the equipment of being corrected;
(2) be corrected equipment receiving information step as follows:
1. start after software, receive the voice signal that calibration equipment sends and decode by microphone;
2. extract the opening flag information of decoding in rear information and judge, not proofreading and correct if be judged as, finishing this and process, will proofread and correct if be judged as, until there is end mark information in the clock information in the rear information of extraction decoding;
3. by the clock information forced transport of extracting to clock chip, change and be corrected the clock display of equipment, complete electronic clock and proofread and correct.
2. the electronic clock bearing calibration based on audio transmission according to claim 1, is characterized in that: audio coding information continuous several times to be sent is sent to loudspeaker by calibration equipment; Be corrected equipment first by continuous several times extract clock information contrast, if identical again by extract clock information forced transport to clock chip, if difference do not proofread and correct, and show proofread and correct unsuccessfully, finish this processing.
3. the electronic clock bearing calibration based on audio transmission according to claim 2, is characterized in that: calibration equipment is by the double audio coding information to be sent loudspeaker that sends to.
4. the electronic clock bearing calibration based on audio transmission according to claim 1, it is characterized in that: the equipment that is corrected extracts the method that the opening flag information in information judges after decoding and is: if this opening flag information information default with being corrected equipment self is identical, be judged as and will proofread and correct, otherwise be judged as and do not proofread and correct.
5. the electronic clock bearing calibration based on audio transmission according to claim 1, is characterized in that: the step of described step (1) 2. in, repeat once this step, with the correctness of verification audio coding information to be sent.
6. the electronic clock bearing calibration based on audio transmission according to claim 1, it is characterized in that: the step of described step (2) 3. in, the time in this period when the clock information of extraction is added before this to described calibration equipment extraction self clock information, forced transport is to clock chip.
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| CN201410386449.6A CN104199277A (en) | 2014-08-07 | 2014-08-07 | Electronic clock correcting method based on audio transmission |
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| CN201410386449.6A CN104199277A (en) | 2014-08-07 | 2014-08-07 | Electronic clock correcting method based on audio transmission |
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| CN105700336A (en) * | 2016-04-07 | 2016-06-22 | 山东和远智能科技股份有限公司 | Electric power instrument time calibrating method based on RS485 bus connection |
| CN107656435A (en) * | 2017-10-20 | 2018-02-02 | 成都天奥电子股份有限公司 | A kind of time service method based on sound wave |
| CN110417483A (en) * | 2018-04-27 | 2019-11-05 | 凌通科技股份有限公司 | The time-correcting method and image/sound of image/sound logger record system |
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Application publication date: 20141210 |