CN105471517A - Short-distance information exchange method and system, information sending device, information receiving device and terminal - Google Patents
Short-distance information exchange method and system, information sending device, information receiving device and terminal Download PDFInfo
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- CN105471517A CN105471517A CN201410425818.8A CN201410425818A CN105471517A CN 105471517 A CN105471517 A CN 105471517A CN 201410425818 A CN201410425818 A CN 201410425818A CN 105471517 A CN105471517 A CN 105471517A
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Abstract
Embodiments of the invention disclose a short-distance information exchange method and system, an information sending device, an information receiving device and a terminal. The method comprises the following steps: receiving an information sending request, wherein the information sending request comprises information to be transmitted; carrying out coding on the information to be transmitted, and converting the information to be transmitted into a Morse code digital signal comprising Morse numbers and/or Morse letters; carrying out D/A conversion on the Morse code digital signal according to a Morse code encoding table to enable the Morse code digital signal to be converted into a Morse code sequence, and adding a character interval between two adjacent Morse codes to obtain a Morse code analog signal, wherein the Morse code sequence comprises more than one Morse codes arranged in sequence; and sending the Morse code analog signal in a Morse electric wave sound manner. Therefore, tedious and complex operation of carrying out pairing between user terminals sharing the information can be reduced, information transmission time is reduced, and information exchange efficiency is improved.
Description
Technical field
The present invention relates to the communication technology, especially a kind of short distance information switching method and system, information send and receiving equipment, terminal.
Background technology
At present, along with developing rapidly of the communication technology and popularizing of user terminal, user often needs sharing information between the ues.At present, the information on a user terminal can be sent to by mobile communications network other user terminal needing to share this information by user.In addition, also can by short-range message-switching technique transmission information between the ues, thus realize this information sharing between the ues.
Short-range information exchange refers generally to the information exchange in 5 meters.The bluetooth switching technology that existing short-range message-switching technique is the most frequently used, first two user terminals need to carry out a series of operations such as Bluetooth pairing to two user terminals of sharing information before transmission information, relatively there is certain loaded down with trivial details degree, particularly for the transmission of some short messages, such as, share transmission associated person information, , WLAN (wireless local area network) (WIFI) password, , an identity code, , a sequence information etc., time needed for the sequence of maneuvers such as Bluetooth pairing is much larger than the time needed for information transmission itself, cause information flowrate lower.
Summary of the invention
An embodiment of the present invention technical problem to be solved is: provide a kind of short distance information switching method and system, information to send and receiving equipment, terminal, with the troublesome operation of carrying out matching between the user terminal being reduced in sharing information, reduce the information transmission time, improve information flowrate.
A kind of short distance information switching method that the embodiment of the present invention provides, comprising:
Receive information sending request, this information sending request comprises information to be transmitted;
Described information to be transmitted is encoded, described information to be transmitted is converted to Morse code digital signal, described Morse code comprise Morse numeral and/or Morse alphabetical;
According to Morse code coding schedule, digital-to-analog D/A conversion is carried out to described Morse code digital signal, described Morse code digital signal is converted to Morse code sequence, and adds character pitch between two adjacent Morse codes, obtain Morse code analog signal; Described Morse code sequence comprises more than one tactic Morse code;
Morse code analog signal is sent in Morse electric wave sound mode.
The another kind of short distance information switching method that the embodiment of the present invention provides, comprising:
The Morse code analog signal transmitted in Morse electric wave sound mode is received by sound source capturing unit;
Speech recognition is carried out to described Morse electric wave sound, obtains Morse code analog signal;
By the character pitch in Morse code analog signal, identify the Morse code sequence that described Morse code analog signal comprises, described Morse code sequence comprises more than one tactic Morse code;
According to Morse code coding schedule, analog/digital A/D conversion is carried out to described Morse code sequence, obtains Morse code digital signal, described Morse code digital signal comprise Morse numeral and/or Morse alphabetical;
Described Morse code digital signal is decoded, obtains transmission information.
A kind of information transmitting apparatus that the embodiment of the present invention provides, comprising:
Receiving element, for receiving information sending request, this information sending request comprises information to be transmitted;
Coding unit, for encoding to described information to be transmitted, is converted to Morse code digital signal by described information to be transmitted, described Morse code comprise Morse numeral and/or Morse alphabetical;
D/A converting unit, for according to Morse code coding schedule, D/A conversion is carried out to described Morse code digital signal, described Morse code digital signal is converted to Morse code sequence, and character pitch is added between two adjacent Morse codes, obtain Morse code analog signal; Described Morse code sequence comprises more than one tactic Morse code;
Analog electrical wave sound generator controller, for sending described Morse code analog signal in Morse electric wave sound mode.
A kind of user terminal that the embodiment of the present invention provides, comprises the information transmitting apparatus of above-described embodiment.
A kind of information receiving device that the embodiment of the present invention provides, comprising:
Sound source capturing unit, for receiving the Morse code analog signal transmitted in Morse electric wave sound mode;
Acquiring unit, for carrying out speech recognition to described Morse electric wave sound, obtains Morse code analog signal;
Recognition unit, by the character pitch in Morse code analog signal, identify the Morse code sequence that described Morse code analog signal comprises, described Morse code sequence comprises more than one tactic Morse code;
A/D converting unit, for according to Morse code coding schedule, carries out A/D conversion to described Morse code sequence, obtains Morse code digital signal, described Morse code digital signal comprise Morse numeral and/or Morse alphabetical;
Decoding unit, for decoding to described Morse code digital signal, obtains transmission information.
The another kind of user terminal that the embodiment of the present invention provides, is characterized in that, comprise the information transmitting apparatus of above-described embodiment.
A kind of short distance Information Exchange System that the embodiment of the present invention provides, comprises information transmitting apparatus and information receiving device;
Described information transmitting apparatus, for receiving information sending request, this information sending request comprises information to be transmitted; Described information to be transmitted is encoded, described information to be transmitted is converted to Morse code digital signal, described Morse code comprise Morse numeral and/or Morse alphabetical; According to Morse code coding schedule, D/A conversion is carried out to described Morse code digital signal, described Morse code digital signal is converted to Morse code sequence, and adds character pitch between two adjacent Morse codes, obtain Morse code analog signal; Described Morse code sequence comprises more than one tactic Morse code; Morse code analog signal is sent in Morse electric wave sound mode;
Described information receiving device, for receiving the Morse code analog signal transmitted in Morse electric wave sound mode by sound source capturing unit; Speech recognition is carried out to described Morse electric wave sound, obtains Morse code analog signal; By the character pitch in Morse code analog signal, identify the Morse code sequence that described Morse code analog signal comprises, described Morse code sequence comprises more than one tactic Morse code; According to Morse code coding schedule, A/D conversion is carried out to described Morse code sequence, obtains Morse code digital signal, described Morse code digital signal comprise Morse numeral and/or Morse alphabetical; Described Morse code digital signal is decoded, obtains transmission information.
The short distance information switching method provided based on the above embodiment of the present invention and system, information sends and receiving equipment, terminal, Morse code coding is carried out to needing the information of transmission, and carry out information transmission by the mode of analog electrical wave sound, when two need the user terminal of exchange message when nearer, after information to be passed can be carried out Morse coding by information source terminal (that is: the user terminal of sharing information), other user terminal is passed in Morse electric wave sound mode, information object acceptor terminal (that is: receiving the user terminal of information) catches this Morse electric wave sound by terminal source of students capturing unit, decoded back goes out information itself, so far just complete primary information accurately to exchange.Compared with prior art, in whole information exchanging process, user only needs the information determining to need to share, and without the need to carrying out the manual operations such as the pairing of user terminal, avoiding the time taken thus, improve information flowrate.In addition, because Morse code coding is simple, vocal print feature is obvious, is easy to distinguish with ambient sound, so recognition accuracy is very high, detect through practice, this kind of RM accuracy rate is up to more than 99.6%; The realization of the embodiment of the present invention can not rely on any network, by means of only sound medium transmission information, by means of the voice transmitting-receiving equipment on user terminal (such as, MIC, loud speaker) the more short-range information between two user terminals that can realize directly propagates, at present for general user terminal, good information transmission success rate can be obtained within the scope of 5m.The present invention is based on the exchanged form that method that Morse coded system carries out short distance information exchange has enriched two station terminals or multiple stage terminal room short message in short distance.The present invention is particularly useful for transmitting shorter text message, such as, and a link, the phone of a contact person or addresses of items of mail etc.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
What form a part for specification drawings describes embodiments of the invention, and is used from explanation principle of the present invention together with description one.
With reference to accompanying drawing, according to detailed description below, clearly the present invention can be understood, wherein:
Fig. 1 is the flow chart of a short distance information switching method of the present invention embodiment.
Fig. 2 is the flow chart of another embodiment of short distance information switching method of the present invention.
Fig. 3 is the structural representation of an information transmitting apparatus of the present invention embodiment.
Fig. 4 is the structural representation of an information receiving device of the present invention embodiment.
Fig. 5 is the structural representation of a short distance Information Exchange System of the present invention embodiment.
Embodiment
Various exemplary embodiment of the present invention is described in detail now with reference to accompanying drawing.It should be noted that: unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit the scope of the invention.
Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part for specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
Fig. 1 is the flow chart of a short distance information switching method of the present invention embodiment, and this embodiment is for realizing the transmission of information in short distance information exchange.As shown in Figure 1, the short distance information switching method of this embodiment comprises:
110, receive information sending request, this information sending request comprises information to be transmitted.
After user can select the information wishing to share or send on the subscriber terminal, by selecting the function choosing-item of " transmission " or type to submit information sending request to, information to be transmitted is wherein the information that user wishes to share.
120, treating transmission information and encode, information to be transmitted is converted to Morse code digital signal, can be that Morse numeral and/or Morse are alphabetical.
130, according to Morse code coding schedule, digital-to-analog (D/A) conversion is carried out to Morse code digital signal, Morse code digital signal is converted to Morse code sequence, and between two adjacent Morse codes, add character pitch so that information receiving end identification, obtain Morse code analog signal.
Wherein, Morse code sequence comprises more than one tactic Morse code.
140, send Morse code analog signal in Morse electric wave sound mode.
Based on the short distance information switching method that the above embodiment of the present invention provides, Morse code coding is carried out to needing the information of transmission, and carry out information transmission by the mode of analog electrical wave sound, when two need the user terminal of exchange message when nearer, after information to be passed can be carried out Morse coding by information source terminal, other user terminal is passed in Morse electric wave sound mode, information object acceptor terminal catches this Morse electric wave sound by terminal source of students capturing unit, decoded back goes out information itself, so far just completes primary information accurately and exchanges.Compared with prior art, in whole information exchanging process, user only needs the information determining to need to share, and without the need to carrying out the manual operations such as the pairing of user terminal, avoiding the time taken thus, improve information flowrate.
As shown in following table 1 and table 2, a concrete example for Morse code coding schedule in the embodiment of the present invention:
Table 1
Table 2
Such as, the Morse code of AB two Morse letters is " ━ " and " ━ ", add in the middle of it character pitch "! ", Morse code analog signal is " ━! ━ ", if the Morse electric wave sound of the corresponding Morse codes of AB two Morse letter is respectively " ticktack " and " ticktack ", the Morse electric wave sound of character pitch be " rub-a-dub ", then the Morse electric wave sound transmitted is " ticktack-rub-a-dub-clatter ticks ".
Unrestricted according to the concrete example of one embodiment illustrated in fig. 1, in operation 120, if information to be transmitted comprises Chinese character, according to the simple and clear Chinese character encoding table pre-set, Chinese character is converted to digital coding, and digital using this digital coding as Morse.Wherein, simple and clear Chinese character encoding table includes the digital coding of each Chinese character and correspondence thereof, and each Chinese character presets the digital coding of figure place in simple and clear Chinese character encoding table correspondence; If information to be transmitted comprises numeral, the directly numeral using this numeral as Morse; If information to be transmitted comprises letter, the directly letter using this letter as Morse.
With above-mentioned concrete example correspondingly, in another concrete example of the embodiment of the present invention, if information to be transmitted comprises Chinese character, also before the Morse numeral that each Chinese character is corresponding, add character pitch; And termination character is added after Morse code sequence.
Because each Chinese character is in the digital coding of the default figure place of simple and clear Chinese character encoding table correspondence, character pitch is added again before the Morse numeral that each Chinese character is corresponding, like this, two character pitches are just had before the Morse numeral that each Chinese character is corresponding, contribute to information receiving end and effectively identify which Morse numeral also needs to be converted to Chinese character further, and which Morse numeral/letter is directly as the numeral/letter in raw information.
Exemplarily, termination character wherein can be 3 character pitches, distinguish, and receiving terminal receives this termination character just can know that a receives information to be transmitted is complete with the spacing identification between the numeral in information to be transmitted, letter, Chinese character.
Unrestricted according to another concrete example embodiment illustrated in fig. 1, in operation 140, Morse electric wave sound is made up of the first sound, the second sound, intercharacter sound insulation and termination character sound, and the duration of the first sound is 1t, the duration of the second sound is 3t, the duration of intercharacter sound insulation is 1t, and the duration of termination character sound is 3t, wherein, t is the unit burst length, can preset setting, such as, the value of t is 10ms.
Continue example above, if the first sound is " ticking ", the second sound is " clatter ", and the time of " ticktack " abides by normalized molar this yard of specification, intercharacter sound insulation be " rub-a-dub ", termination character can be three "! ", termination character sound is " rub-a-dub rub-a-dub rub-a-dub ", then " tick " as 1t, " clatter " is 3t, newly-increased " rub-a-dub " sound is 1t.According to existing Morse code coding criterion, intercharacter sound insulation is " ticking " sound of a 3t, and according to embodiments of the invention, intercharacter sound insulation be a 1t " rub-a-dub " because of, so just can reduce the time of Morse electric wave sound, improve Morse code and transmit density (that is: the amount of information can transmitted in the unit interval), realize the transmission of fairly large data between two short distance user terminals.
In another embodiment based on the information switching method of short distance shown in Fig. 1, can also arrange the value of t according to the amount of information size of current environment and information to be transmitted, current environment is quieter, and the value of t is less; The amount of information of information to be transmitted is larger, and the value of t is less.The unit pulse time value of t is larger, and namely burst length setting is longer, and for the easier identifying information of receiving terminal, precision is higher, but the information can transmitted in the unit pulse time is fewer.Therefore in the present invention's specific embodiment, the t of three kinds of durations is provided, 10ms, 20ms, 30ms respectively, can according to current environment and the amount of information situation needing transmission, set the duration of t flexibly, in quiet indoor, mobile phone terminal power of loudspeaker is larger, when needing to transmit longer information, then can select the burst length of 10ms, at environment noisy a little, mobile phone terminal speaker effect is not too outstanding, when transmission of information is shorter, the burst length of 20ms or 30ms can be selected.
In another embodiment based on the information switching method of short distance shown in Fig. 1, the speech frequency arranging Morse electric wave sound is greater than 1100Hz, and such as, the speech frequency arranging Morse electric wave sound is 4KHz.
Based on an above-mentioned practical application scene embodiment illustrated in fig. 1 be: party A-subscriber's terminal needs certain address list information to be passed to party B-subscriber's terminal, now party A-subscriber's terminal first converts a string Morse code digital signal to, then be converted to according to Morse code coding schedule and obtain Morse code analog signal, and sent by loud speaker to simulate Morse electric wave sound mode.
Fig. 2 is the flow chart of another embodiment of short distance information switching method of the present invention, and this embodiment is for realizing the reception of information in short distance information exchange.As shown in Figure 2, the short distance information switching method of this embodiment comprises:
210, by sound source capturing unit, receive the Morse code analog signal transmitted in Morse electric wave sound mode based on vocal print characteristic sum speech frequency.
220, speech recognition is carried out to the Morse electric wave sound received, obtains Morse code analog signal.
230, by the character pitch in Morse code analog signal, identify the Morse code sequence that Morse code analog signal comprises.
Morse code sequence wherein comprises more than one tactic Morse code.
240, according to Morse code coding schedule, carrying out analog/digital (A/D) conversion to Morse code sequence, obtain Morse code digital signal, can be that Morse numeral and/or Morse are alphabetical.
250, Morse code digital signal is decoded, thus obtains transmission information, and can be saved on the user terminal of recipient.
Unrestricted according to the concrete example of one embodiment illustrated in fig. 2, operation 250 specifically can realize in the following way:
Order identifies Morse code digital signal;
If read character pitch, using presetting the Morse numeral of figure place behind this character pitch as digital coding, inquire about the Chinese character that this digital coding is corresponding in the simple and clear Chinese character encoding table pre-set; If do not read character pitch, then direct using digital as the numeral in transmission information for the Morse read, directly using alphabetical as the letter in transmission information for the Morse read;
Transmission information is formed by the Chinese character inquired, the numeral read, lexicographic order.
Unrestricted according to the concrete example of another kind embodiment illustrated in fig. 2, the Morse electric wave sound received in operation 210 is made up of the first sound, the second sound, intercharacter sound insulation and termination character sound, the duration of the first sound is 1t, the duration of the second sound is 3t, the duration of intercharacter sound insulation is 1t, the duration of termination character sound is 3t, and wherein, t is the unit burst length.
The value of t specifically can be determined by the amount of information size of environment when transmitting Morse code analog signal in Morse electric wave sound mode and transmission information, and current environment is quieter, and the value of t is less; The amount of information of information to be transmitted is larger, and the value of t is less.
In addition, because voice is approximately between 82HZ ~ 1100HZ, for ease of identifying, unrestricted according to another concrete example embodiment illustrated in fig. 2, the speech frequency of the Morse electric wave sound received in operation 210 is greater than 1100Hz, such as, the piano sound of 4KHz can be selected to simulate " ticktack rub-a-dub " three kinds of sounds.
Continue the application scenarios of Fig. 1, based on an above-mentioned practical application scene embodiment illustrated in fig. 2 be: party B-subscriber's terminal captures Morse electric wave sound by its MIC, call the recognition interface of party B-subscriber's terminal local, identify Morse code sequence, decoded back goes out this address list information and is saved in its cellphone directory.
Because Morse electric wave sound has obviously vocal print feature, identification is high, easily distinguishes with environmental noise or voice, so noise reduction process and identify relatively easy, identification precision is very high.
Be transmitted as example below with a specifying information, the above-mentioned Fig. 1 of the present invention and application embodiment illustrated in fig. 2 are described.Such as, user terminal A this need information X to be transferred to user terminal B, in this application, information X is specially an associated person information: Zhang San 18911111111.Application then based on embodiment illustrated in fig. 1 is as follows:
User terminal A is encoded to information X, converts Morse code digital signal to.Wherein according to the simple and clear Chinese character encoding table that pre-sets, " to be opened " by the Chinese character in information X and " three " are converted to " 5337 " and " 4093 ", the Morse code digital signal that whole piece information X is corresponding is 5337409318911111111;
According to Morse code coding schedule, convert Morse code digital signal to analog signal, character pitch adopts "! " represent, obtaining Morse code analog signal is:! A ━ ━! A ━ ━! A ━ ━! ! A ━! A ━ ━ ━ ━ ━! A ━ ━ ━ ━! A ━ ━! ! A ━ ━ ━ ━! A ━ ━ ━! A ━ ━ ━ ━! A ━ ━ ━ ━! A ━ ━ ━ ━! A ━ ━ ━ ━! A ━ ━ ━ ━! A ━ ━ ━ ━! A ━ ━ ━ ━! A ━ ━ ━ ━! ! ! ;
Can an analog electrical wave sound generator controller be passed through, Morse code analog signal is sent out in Morse electric wave sound mode.
At recipient's user terminal B, by reverse Four processes, receive information X and reduce.As follows based on application embodiment illustrated in fig. 2:
Catch Morse electric wave sound by the MIC of user terminal B, be reduced into Morse code analog signal by speech recognition, obtain:! A ━ ━! A ━ ━! A ━ ━! ! A ━! A ━ ━ ━ ━ ━! A ━ ━ ━ ━! A ━ ━! ! A ━ ━ ━ ━! A ━ ━ ━! A ━ ━ ━ ━! A ━ ━ ━ ━! A ━ ━ ━ ━! A ━ ━ ━ ━! A ━ ━ ━ ━! A ━ ━ ━ ━! A ━ ━ ━ ━! A ━ ━ ━ ━! ! ! ;
According to Morse code coding schedule, changed by A/D, Morse code analog signal is converted to Morse code digital signal, obtain 5337409318911111111;
By decoding, Morse code digital signal is reduced, obtains: Zhang San 18911111111, thus the information X that acquisition user terminal A passes over.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Fig. 3 is the structural representation of an information transmitting apparatus of the present invention embodiment.The information transmitting apparatus of this embodiment can be used in the present invention the flow process of the information switching method of short distance shown in Fig. 1 embodiment.As shown in Figure 3, the information transmitting apparatus of this embodiment comprises receiving element, coding unit, D/A converting unit and analog electrical wave sound generator controller.Wherein:
Receiving element, for receiving information sending request, this information sending request comprises information to be transmitted.
Coding unit, encodes for the information to be transmitted received receiving element, information to be transmitted is converted to Morse code digital signal, comprise Morse numeral and/or Morse alphabetical.
D/A converting unit, for according to Morse code coding schedule, D/A conversion is carried out to the Morse code digital signal that coding unit converts to, Morse code digital signal is converted to Morse code sequence, and character pitch is added between two adjacent Morse codes, obtain Morse code analog signal.Wherein, Morse code sequence comprises more than one tactic Morse code.
Analog electrical wave sound generator controller, for sending the Morse code analog signal that the conversion of D/A converting unit obtains in Morse electric wave sound mode.This analog electrical wave sound generator controller can be such as the loud speaker on user terminal.
In a concrete example of equipment shown in above-mentioned Fig. 3, coding unit is specifically for reading each character in information to be transmitted successively, if the character read current is Chinese character, according to the simple and clear Chinese character encoding table pre-set, this Chinese character is converted to digital coding, and digital using this digital coding as Morse.Wherein, the digital coding of figure place preset in each Chinese character in simple and clear Chinese character encoding table correspondence; If the character read current is numeral, directly the numeral using this numeral as Morse; If the character read current is letter, directly the letter using this letter as Morse.
In addition, another embodiment of information transmitting apparatus shown in Fig. 3, coding unit also for when the current character read is Chinese character, adds character pitch before the Morse numeral that this Chinese character is corresponding.Correspondingly, D/A converting unit also for adding termination character after Morse code sequence.
In another concrete example of equipment shown in Fig. 3, the Morse electric wave sound that analog electrical wave sound generator controller adopts is made up of the first sound, the second sound, intercharacter sound insulation and termination character sound, the duration of the first sound is 1t, the duration of the second sound is 3t, the duration of intercharacter sound insulation is 1t, the duration of termination character sound is 3t, and wherein, t is the unit burst length.
Based in another embodiment of information transmitting apparatus shown in Fig. 3, analog electrical wave sound generator controller is also for arranging the value of t according to the amount of information size of current environment and information to be transmitted, current environment is quieter, and the value of t is less; The amount of information of information to be transmitted is larger, and the value of t is less.
In another concrete example of equipment shown in Fig. 3, the speech frequency of the Morse electric wave sound that analog electrical wave sound generator controller adopts is greater than 1100Hz, such as, can be 4KHz.
Present invention also offers a kind of user terminal, as transmit leg user terminal (also namely: information source terminal), specifically can comprise the information transmitting apparatus of any embodiment or example shown in above-mentioned Fig. 3, the Information Sharing on user terminal can be given other user terminal user by this information transmitting apparatus by user.
Fig. 4 is the structural representation of an information receiving device of the present invention embodiment.The information receiving device of this embodiment can be used in the present invention the flow process of the information switching method of short distance shown in Fig. 2 embodiment.As shown in Figure 4, the information receiving device of this embodiment comprises sound source capturing unit, acquiring unit, recognition unit, A/D converting unit and decoding unit.
Sound source capturing unit, for receiving the Morse code analog signal transmitted in Morse electric wave sound mode.This sound source capturing unit can be such as the microphone MIC equipment on user terminal.
Acquiring unit, carries out speech recognition for the Morse electric wave sound received sound source capturing unit, obtains Morse code analog signal.
Recognition unit, the character pitch in the Morse code analog signal obtained by acquiring unit, identifies the Morse code sequence that Morse code analog signal comprises, and this Morse code sequence comprises more than one tactic Morse code.
A/D converting unit, for according to the Morse code coding schedule that pre-sets, carries out A/D conversion to Morse code sequence, obtains Morse code digital signal, comprise Morse numeral and/or Morse alphabetical.
Decoding unit, decodes for the Morse code digital signal obtained A/D converting unit, obtains the raw information of information transmitting apparatus transmission, and can be saved on the user terminal of this receiver equipment place or connection.
In a concrete example of equipment shown in above-mentioned Fig. 4, decoding unit identifies Morse code digital signal specifically for order; If read character pitch, using presetting the Morse numeral of figure place behind this character pitch as digital coding, inquire about the Chinese character that this digital coding is corresponding in the simple and clear Chinese character encoding table pre-set; If do not read character pitch, then direct using digital as the numeral in transmission information for the Morse read, directly using alphabetical as the letter in transmission information for the Morse read; And form transmission information by the Chinese character inquired, the numeral read, lexicographic order.
In another concrete example of equipment shown in above-mentioned Fig. 4, the Morse electric wave sound that sound source capturing unit receives is made up of the first sound, the second sound, intercharacter sound insulation and termination character sound, the duration of the first sound is 1t, the duration of the second sound is 3t, the duration of intercharacter sound insulation is 1t, the duration of termination character sound is 3t, and wherein, t is the unit burst length.Exemplarily, the value of t is determined by the amount of information size of environment when transmitting Morse code analog signal in Morse electric wave sound mode and transmission information, and current environment is quieter, and the value of t is less; The amount of information of information to be transmitted is larger, and the value of t is less.
Present invention also offers another kind of user terminal, as receiving party's terminal (also namely: information object acceptor terminal), specifically can comprise the information transmitting apparatus of any embodiment or example shown in above-mentioned Fig. 4, the information that user can be shared by this information receiving device reception information transmitting apparatus.
Fig. 5 is the structural representation of a short distance Information Exchange System of the present invention embodiment.The short distance Information Exchange System of this embodiment comprises information transmitting apparatus and information receiving device.Wherein:
Information transmitting apparatus, for receiving information sending request, this information sending request comprises information to be transmitted; Treat transmission information to encode, information to be transmitted be converted to Morse code digital signal, Morse code comprise Morse numeral and/or Morse alphabetical; According to Morse code coding schedule, D/A conversion is carried out to Morse code digital signal, Morse code digital signal is converted to Morse code sequence, and character pitch is added between two adjacent Morse codes, obtain Morse code analog signal, Morse code sequence wherein comprises more than one tactic Morse code; And send Morse code analog signal in Morse electric wave sound mode;
Information receiving device, for receiving the Morse code analog signal that information transmitting apparatus transmits in Morse electric wave sound mode by sound source capturing unit; Speech recognition is carried out to Morse electric wave sound, obtains Morse code analog signal; By the character pitch in Morse code analog signal, identify the Morse code sequence that Morse code analog signal comprises, Morse code sequence comprises more than one tactic Morse code; According to Morse code coding schedule, A/D conversion is carried out to Morse code sequence, obtains Morse code digital signal, Morse code digital signal comprise Morse numeral and/or Morse alphabetical; Morse code digital signal is decoded, obtains transmission information.
Particularly, in system shown in Figure 5, information transmitting apparatus specifically can adopt the information transmitting apparatus structure of any embodiment shown in Fig. 3 to realize, and information receiving device specifically can adopt the information transmitting apparatus structure of any embodiment shown in Fig. 4 to realize, and Fig. 5 only provides one of them example.
In addition, in one embodiment of the invention, transmit other information of higher security level if need between two user terminals, then can safeguard a special Morse code coding schedule on two user terminals, transmit the information that order etc. relates to payment.As long as transmit leg equipment is identical with the Morse code coding schedule on receiver equipment, the correct reception of information can be realized.
In this specification, each embodiment all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, same or analogous part cross-reference between each embodiment.For system embodiment, because itself and embodiment of the method are substantially corresponding, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Method, apparatus and system of the present invention may be realized in many ways.Such as, any combination by software, hardware, firmware or software, hardware, firmware realizes method, apparatus and system of the present invention.Said sequence for the step of described method is only to be described, and the step of method of the present invention is not limited to above specifically described order, unless specifically stated otherwise.In addition, in certain embodiments, can be also record program in the recording medium by the invention process, these programs comprise the machine readable instructions for realizing according to method of the present invention.Thus, the present invention also covers the recording medium stored for performing the program according to method of the present invention.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (28)
1. a short distance information switching method, is characterized in that, comprising:
Receive information sending request, this information sending request comprises information to be transmitted;
Described information to be transmitted is encoded, described information to be transmitted is converted to Morse code digital signal, described Morse code comprise Morse numeral and/or Morse alphabetical;
According to Morse code coding schedule, digital-to-analog D/A conversion is carried out to described Morse code digital signal, described Morse code digital signal is converted to Morse code sequence, and adds character pitch between two adjacent Morse codes, obtain Morse code analog signal; Described Morse code sequence comprises more than one tactic Morse code;
Morse code analog signal is sent in Morse electric wave sound mode.
2. method according to claim 1, is characterized in that, encodes to described information to be transmitted, described information to be transmitted is converted to Morse code digital signal and comprises:
If described information to be transmitted comprises Chinese character, according to the simple and clear Chinese character encoding table pre-set, Chinese character is converted to digital coding, and digital using this digital coding as Morse; Wherein, the digital coding of figure place preset in each Chinese character in simple and clear Chinese character encoding table correspondence;
If described information to be transmitted comprises numeral, the directly numeral using this numeral as Morse;
If described information to be transmitted comprises letter, the directly letter using this letter as Morse.
3. method according to claim 2, is characterized in that, also comprises:
If described information to be transmitted comprises Chinese character, also before the Morse numeral that each Chinese character is corresponding, add character pitch; And
Termination character is added after described Morse code sequence.
4. the method according to claims 1 to 3 any one, it is characterized in that, described Morse electric wave sound is made up of the first sound, the second sound, intercharacter sound insulation and termination character sound, the duration of the first sound described is 1t, the duration of described the second sound is 3t, and the duration of described intercharacter sound insulation is 1t, and the duration of described termination character sound is 3t, wherein, t is the unit burst length.
5. method according to claim 4, is characterized in that, also comprises:
Arrange the value of t according to the amount of information size of current environment and information to be transmitted, current environment is quieter, and the value of t is less; The amount of information of information to be transmitted is larger, and the value of t is less.
6. method according to claim 5, is characterized in that, the speech frequency of described Morse electric wave sound is greater than 1100Hz.
7. method according to claim 6, is characterized in that, the speech frequency of described Morse electric wave sound is 4KHz.
8. a short distance information switching method, is characterized in that, comprising:
The Morse code analog signal transmitted in Morse electric wave sound mode is received by sound source capturing unit;
Speech recognition is carried out to described Morse electric wave sound, obtains Morse code analog signal;
By the character pitch in Morse code analog signal, identify the Morse code sequence that described Morse code analog signal comprises, described Morse code sequence comprises more than one tactic Morse code;
According to Morse code coding schedule, analog/digital A/D conversion is carried out to described Morse code sequence, obtains Morse code digital signal, described Morse code digital signal comprise Morse numeral and/or Morse alphabetical;
Described Morse code digital signal is decoded, obtains transmission information.
9. method according to claim 8, is characterized in that, carries out decoding comprise described Morse code digital signal:
Order identifies described Morse code digital signal;
If read character pitch, using presetting the Morse numeral of figure place behind this character pitch as digital coding, inquire about the Chinese character that this digital coding is corresponding in the simple and clear Chinese character encoding table pre-set; If do not read character pitch, then direct using digital as the numeral in transmission information for the Morse read, directly using alphabetical as the letter in transmission information for the Morse read;
Transmission information is formed by the Chinese character inquired, the numeral read, lexicographic order.
10. method according to claim 9, it is characterized in that, described Morse electric wave sound is made up of the first sound, the second sound, intercharacter sound insulation and termination character sound, the duration of the first sound described is 1t, the duration of described the second sound is 3t, and the duration of described intercharacter sound insulation is 1t, and the duration of described termination character sound is 3t, wherein, t is the unit burst length.
11. methods according to claim 10, is characterized in that, also comprise:
The value of t is determined by the amount of information size of environment when transmitting Morse code analog signal in Morse electric wave sound mode and described transmission information, and current environment is quieter, and the value of t is less; The amount of information of information to be transmitted is larger, and the value of t is less.
Method described in 12. according to Claim 8 to 11 any one, it is characterized in that, the speech frequency of described Morse electric wave sound is greater than 1100Hz.
13. methods according to claim 12, is characterized in that, the speech frequency of described Morse electric wave sound is 4KHz.
14. 1 kinds of information transmitting apparatus, is characterized in that, comprising:
Receiving element, for receiving information sending request, this information sending request comprises information to be transmitted;
Coding unit, for encoding to described information to be transmitted, is converted to Morse code digital signal by described information to be transmitted, described Morse code comprise Morse numeral and/or Morse alphabetical;
D/A converting unit, for according to Morse code coding schedule, D/A conversion is carried out to described Morse code digital signal, described Morse code digital signal is converted to Morse code sequence, and character pitch is added between two adjacent Morse codes, obtain Morse code analog signal; Described Morse code sequence comprises more than one tactic Morse code;
Analog electrical wave sound generator controller, for sending described Morse code analog signal in Morse electric wave sound mode.
15. equipment according to claim 14, is characterized in that, described coding unit specifically for:
Read each character in information to be transmitted successively, the character read if current is Chinese character, according to the simple and clear Chinese character encoding table pre-set, this Chinese character is converted to digital coding, and digital using this digital coding as Morse; Wherein, the digital coding of figure place preset in each Chinese character in simple and clear Chinese character encoding table correspondence;
If the character read current is numeral, directly the numeral using this numeral as Morse;
If the character read current is letter, directly the letter using this letter as Morse.
16. equipment according to claim 15, is characterized in that, described coding unit, also for when the current character read is Chinese character, before the Morse numeral that this Chinese character is corresponding, add character pitch;
Described D/A converting unit, also for adding termination character after described Morse code sequence.
17. according to claim 14 to the equipment described in 16 any one, it is characterized in that, described Morse electric wave sound is made up of the first sound, the second sound, intercharacter sound insulation and termination character sound, the duration of the first sound described is 1t, the duration of described the second sound is 3t, and the duration of described intercharacter sound insulation is 1t, and the duration of described termination character sound is 3t, wherein, t is the unit burst length.
18. equipment according to claim 17, is characterized in that, described analog electrical wave sound generator controller, and also for arranging the value of t according to the amount of information size of current environment and information to be transmitted, current environment is quieter, and the value of t is less; The amount of information of information to be transmitted is larger, and the value of t is less.
19. equipment according to claim 18, is characterized in that, the speech frequency of described Morse electric wave sound is greater than 1100Hz.
20. equipment according to claim 19, is characterized in that, the speech frequency of described Morse electric wave sound is 4KHz.
21. 1 kinds of user terminals, is characterized in that, comprise the information transmitting apparatus described in claim 14 to 20 any one.
22. 1 kinds of information receiving devices, is characterized in that, comprising:
Sound source capturing unit, for receiving the Morse code analog signal transmitted in Morse electric wave sound mode;
Acquiring unit, for carrying out speech recognition to described Morse electric wave sound, obtains Morse code analog signal;
Recognition unit, by the character pitch in Morse code analog signal, identify the Morse code sequence that described Morse code analog signal comprises, described Morse code sequence comprises more than one tactic Morse code;
A/D converting unit, for according to Morse code coding schedule, carries out A/D conversion to described Morse code sequence, obtains Morse code digital signal, described Morse code digital signal comprise Morse numeral and/or Morse alphabetical;
Decoding unit, for decoding to described Morse code digital signal, obtains transmission information.
23. equipment according to claim 22, is characterized in that, described decoding unit specifically for:
Order identifies described Morse code digital signal;
If read character pitch, using presetting the Morse numeral of figure place behind this character pitch as digital coding, inquire about the Chinese character that this digital coding is corresponding in the simple and clear Chinese character encoding table pre-set; If do not read character pitch, then direct using digital as the numeral in transmission information for the Morse read, directly using alphabetical as the letter in transmission information for the Morse read;
Transmission information is formed by the Chinese character inquired, the numeral read, lexicographic order.
24. equipment according to claim 22 or 23, it is characterized in that, described Morse electric wave sound is made up of the first sound, the second sound, intercharacter sound insulation and termination character sound, the duration of the first sound described is 1t, the duration of described the second sound is 3t, and the duration of described intercharacter sound insulation is 1t, and the duration of described termination character sound is 3t, wherein, t is the unit burst length.
25. equipment according to claim 24, is characterized in that, the value of t is determined by the amount of information size of environment when transmitting Morse code analog signal in Morse electric wave sound mode and described transmission information, and current environment is quieter, and the value of t is less; The amount of information of information to be transmitted is larger, and the value of t is less.
26. 1 kinds of user terminals, is characterized in that, comprise the information transmitting apparatus described in claim 22 to 25 any one.
27. 1 kinds of short distance Information Exchange System, is characterized in that, comprise information transmitting apparatus and information receiving device;
Described information transmitting apparatus, for receiving information sending request, this information sending request comprises information to be transmitted; Described information to be transmitted is encoded, described information to be transmitted is converted to Morse code digital signal, described Morse code comprise Morse numeral and/or Morse alphabetical; According to Morse code coding schedule, D/A conversion is carried out to described Morse code digital signal, described Morse code digital signal is converted to Morse code sequence, and adds character pitch between two adjacent Morse codes, obtain Morse code analog signal; Described Morse code sequence comprises more than one tactic Morse code; Morse code analog signal is sent in Morse electric wave sound mode;
Described information receiving device, for receiving the Morse code analog signal transmitted in Morse electric wave sound mode by sound source capturing unit; Speech recognition is carried out to described Morse electric wave sound, obtains Morse code analog signal; By the character pitch in Morse code analog signal, identify the Morse code sequence that described Morse code analog signal comprises, described Morse code sequence comprises more than one tactic Morse code; According to Morse code coding schedule, A/D conversion is carried out to described Morse code sequence, obtains Morse code digital signal, described Morse code digital signal comprise Morse numeral and/or Morse alphabetical; Described Morse code digital signal is decoded, obtains transmission information.
28. systems according to claim 27, is characterized in that, described information transmitting apparatus is specially the information transmitting apparatus described in claim 14 to 20 any one;
Described information receiving device is specially the information receiving device described in claim 22 to 25 any one.
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