CN102695148A - Methods and devices for sending and receiving short message, and short message sending and receiving system - Google Patents

Methods and devices for sending and receiving short message, and short message sending and receiving system Download PDF

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Publication number
CN102695148A
CN102695148A CN2012101794644A CN201210179464A CN102695148A CN 102695148 A CN102695148 A CN 102695148A CN 2012101794644 A CN2012101794644 A CN 2012101794644A CN 201210179464 A CN201210179464 A CN 201210179464A CN 102695148 A CN102695148 A CN 102695148A
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frequency
character
note
dual
tone multifrequency
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CN102695148B (en
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张然
邵颖
杨延明
王钢
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Shanghai car sound intelligent technology Co., Ltd.
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SHANGHAI CHEYIN NETWORK TECHNOLOGY Co Ltd
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Abstract

The invention discloses a short message sending method. The short message sending method comprises the following steps of: according to a preset coding method, coding a short message character string to be sent into audio information; and sending the audio information through a connected audio channel. The invention also provides a short message receiving method, which corresponds to the short message sending method. The short message receiving method comprises the following steps of: receiving the audio information which is sent through the connected audio channel; and according to a preset decoding method, decoding the received audio information into the short message character string. The invention also provides a short message sending device, a short message receiving device and a short message sending and receiving system, which correspond to the short message sending method and the short message receiving method. By adoption of the scheme provided by the invention, when a short message channel fails, a short message of which the contents include Chinese characters, English characters, numbers, phonetic letters, punctuation marks and the like can be sent through the audio channel. The invention is high in sending speed, high in anti-interference capacity and high in practicability and can be applied to various communication systems.

Description

Note is sent and note receives method, device and short message receiving and sending system
Technical field
The present invention relates to the communications field, relate in particular to a kind of note transmission method, short message receiving method and corresponding note dispensing device, note receiving system and short message receiving and sending system.
Background technology
In actual communication systems; A lot of control commands all issue with the note form; When the note channel breaks down (for example during festivals or holidays cause that owing to the surge of the note amount of whole communication network Short Message Service Gateway stops up time); May cause in some communication system and can't normally send note; Thereby the corresponding operation of control command that causes issuing with the note form in this system can't normally be carried out, and therefore needs a kind of scheme that when the note channel goes wrong, can normally send note through alternate manner.
Summary of the invention
The object of the present invention is to provide a kind of note transmission method and note transmitting system, the problem that note can't normally be sent when solving that the note channel breaks down in the prior art.
For realizing above-mentioned purpose, one aspect of the present invention provides a kind of note transmission method, comprising: according to the predictive encoding method, be audio-frequency information with note string encoding to be sent; Send said audio-frequency information through the voice-frequency channel that has connected.
The present invention provides a kind of short message receiving method on the other hand, comprising: receive the audio-frequency information that sends over through the voice-frequency channel that has connected; According to the predetermined decoding method, the said audio-frequency information of receiving is decoded as the note character string.
The present invention also provides a kind of note dispensing device on the other hand, comprises coding module and sending module; Said coding module is used for according to the predictive encoding method, is audio-frequency information with note string encoding to be sent; Said sending module is used for sending the audio-frequency information that said coding module coding obtains through the voice-frequency channel that has connected.
The present invention provides a kind of note receiving system on the other hand, comprises receiver module and decoder module; Said receiver module is used to receive the audio-frequency information that sends over through the voice-frequency channel that has connected, and said audio-frequency information is offered said decoder module; Said decoder module is used for according to the predetermined decoding method, and the audio-frequency information that said receiver module is provided is decoded as the note character string.
The present invention provides a kind of short message receiving and sending system on the other hand, comprises the note dispensing device and the note receiving system that connect through voice-frequency channel each other; Said note dispensing device is used for according to the predictive encoding method, is audio-frequency information with note string encoding to be sent, and through the voice-frequency channel that has connected said audio-frequency information is sent to said note receiving system; Said note receiving system is used for according to the predetermined decoding method, and the audio-frequency information that will receive through the voice-frequency channel that has connected is decoded as the note character string.
Note transmission method provided by the invention and note dispensing device are a plurality of can the transmission through the frequency that voice-frequency channel sends with note string encoding to be sent creatively; Making when the note channel breaks down, is that the note of content can normally be sent to the recipient through voice-frequency channel with Chinese character, English character, numeral, phonetic alphabet, punctuation mark etc.The present invention also provides corresponding to the short message receiving method of said short message sending method and note dispensing device and note receiving system simultaneously; Can, the note channel receive audio-frequency information and it is decoded as former note character string when break down through the voice-frequency channel that has connected.In addition, short message receiving and sending system provided by the invention can adopt voice-frequency channel to send note, can when the note channel breaks down, guarantee the normal enforcement of short message receiving-transmitting equally.Adopt the speed of scheme transmitting-receiving note provided by the invention fast, antijamming capability is strong, can be used in the plurality of communication systems, has very strong practicality.
Description of drawings
A kind of note transmission method flow chart that Fig. 1 provides for the embodiment of the invention;
A kind of short message receiving method flow chart that Fig. 2 provides for the embodiment of the invention;
First kind of predictive encoding method that Fig. 3 provides for the embodiment of the invention;
First kind of predetermined decoding method that Fig. 4 provides for the embodiment of the invention;
Second kind of predictive encoding method that Fig. 5 provides for the embodiment of the invention;
Second kind of predetermined decoding method that Fig. 6 provides for the embodiment of the invention;
The third predictive encoding method that Fig. 7 provides for the embodiment of the invention;
The third predetermined decoding method that Fig. 8 provides for the embodiment of the invention;
The 4th kind of predictive encoding method that Fig. 9 provides for the embodiment of the invention;
The 4th kind of predetermined decoding method that Figure 10 provides for the embodiment of the invention;
A kind of note dispensing device structural representation that Figure 11 provides for the embodiment of the invention;
Second kind of note dispensing device structural representation that Figure 12 provides for the embodiment of the invention;
The third note dispensing device structural representation that Figure 13 provides for the embodiment of the invention;
The 4th kind of note dispensing device structural representation that Figure 14 provides for the embodiment of the invention;
The 5th kind of note dispensing device structural representation that Figure 15 provides for the embodiment of the invention;
The 6th kind of note dispensing device structural representation that Figure 16 provides for the embodiment of the invention;
The 7th kind of note dispensing device structural representation that Figure 17 provides for the embodiment of the invention;
A kind of note receiving system structural representation that Figure 18 provides for the embodiment of the invention;
Second kind of note receiving system structural representation that Figure 19 provides for the embodiment of the invention;
The third note receiving system structural representation that Figure 20 provides for the embodiment of the invention;
The 4th kind of note receiving system structural representation that Figure 21 provides for the embodiment of the invention;
The 5th kind of note receiving system structural representation that Figure 22 provides for the embodiment of the invention;
A kind of short message receiving and sending system structural representation that Figure 23 provides for the embodiment of the invention;
A kind of navigation system that can receive and dispatch note through voice-frequency channel that Figure 24 provides for the embodiment of the invention;
The another kind that Figure 25 provides for the embodiment of the invention can be through the navigation system of voice-frequency channel transmitting-receiving note;
A kind of order programme that can pass through voice-frequency channel transmitting-receiving note that Figure 26 provides for the embodiment of the invention.
Embodiment
The present invention mainly is to have proposed method, the Apparatus and system that a kind of note is sent and received with innovating; To solve in the existing communication system; The problem that note can't normally be sent when the note channel breaks down; When for example the note channel broke down, the corresponding note of the control command of communication systems such as navigation system, order programme issued problem.But need to prove; Though the present invention is that example describes with navigation system and order programme; But the present invention is not limited to this two industries, and other similarly also can adopt the present invention through the communications industry that note is carried out information interaction, equally also should be included within protection scope of the present invention.
Specify the embodiment of the invention below in conjunction with accompanying drawing, institute of the present invention drawings attached is represented identical or similar elements or the element with identical or similar functions with identical or similar label from start to finish.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
A kind of note transmission method flow chart that provides for the embodiment of the invention shown in Figure 1 may further comprise the steps:
S11:, convert note string encoding to be sent into audio-frequency information according to the predictive encoding method;
Wherein, note character string to be sent can be characters such as Chinese character, pinyin character (comprising English character), numeral or punctuation mark.Note character string to be sent is the note character string that is initiatively sent to the recipient between any two communication ends by transmit leg; For example: note character string to be sent can be that voice command that server provides client is discerned and resolved the back and reply note to what this client was made, and the literal order that perhaps for server client is provided has been done replys note; The literal order that client described herein provides is the literal order of making an appointment between client and the server, the corresponding a kind of operation requests of each literal order.
S12: send said audio-frequency information through the voice-frequency channel that has connected.
The said voice-frequency channel that has connected is meant and is used to connect the voice-frequency channel between note transmit leg and the recipient.
Corresponding to the note transmission method that the embodiment of the invention provides, the embodiment of the invention provides a kind of short message receiving method, and is as shown in Figure 2, and this method may further comprise the steps:
S21: receive the audio-frequency information that sends over through the voice-frequency channel that has connected;
S22:, the audio-frequency information of receiving is decoded as the note character string according to the predetermined decoding method.The recipient operates according to the note character string content that decodes after receiving this audio-frequency information that transmit leg sends over through the voice-frequency channel that connects accordingly.
Predictive encoding method in the said short message sending method can be passed through accomplished in many ways, and the predetermined decoding method in the said short message method of reseptance also can be passed through accomplished in many ways, below describes respectively with four embodiment.
Embodiment one
First kind of predictive encoding method that Fig. 3 provides for the embodiment of the invention; This method is can be through a low frequency frequency and high frequency frequency of voice-frequency channel transmission with each note character code to be sent, and then each note character can send through voice-frequency channel with the mode of high frequency, low frequency frequency.This coding method specifically may further comprise the steps:
S31: pre-configured and storage note character and high frequency, low frequency frequency coding table.
The practical implementation method of this step is: confirm that in advance N1 can be passed through the high frequency frequency f that voice-frequency channel sends 1, f 2..., f N1, and the low frequency frequency f that can send through voice-frequency channel of N2 ' 1, f ' 2..., f ' N2With f 1, f 2..., f N1In frequency and f ' 1, f ' 2..., f ' N2In a mode that frequency coding is a note character, be N1 * N2 note character with this N1 high frequency frequency and N2 low frequency frequency coding, obtain and store note character and high frequency, low frequency frequency coding table; Wherein, N1, N2 are the positive integer more than or equal to 4.
S32:, be audio-frequency information with each note character code to be sent in order according to short messages stored character and high frequency, low frequency frequency coding table in advance among the S31.In this step; For the ease of the recipient to here information encoded decode, can stipulate: in the audio-frequency information behind each note character code, make the high frequency frequency in the first place; The low frequency frequency is at second; Like this, when decoding end is received the audio-frequency information that comprises several high and low frequency frequencies, can learn easily each a high frequency frequency and a low frequency frequency following closely represented be a note character string.Obviously much more no longer, the send mode of the pairing frequency information of above-mentioned each note character can also be defined as other modes, to do description here.
For example, in S31, confirmed that in advance N1 can be passed through the high frequency frequency f that voice-frequency channel sends 1, f 2..., f N1, and the low frequency frequency f that can send through voice-frequency channel of N2 ' 1, f ' 2..., f ' N2, and with having obtained note character and high frequency, low frequency frequency coding table behind its coding; If current note character string to be sent is that " hello! ", when then carrying out S32, in this Chinese character high frequency, low frequency frequency coding table, inquire about obtaining: Chinese character " you " corresponding codes frequency is the high frequency frequency f 1With the low frequency frequency f ' 4, Chinese character " good " corresponding codes frequency is the high frequency frequency f 3With the low frequency frequency f ' 2, punctuation mark "! " the corresponding codes frequency is the high frequency frequency f 6With the low frequency frequency f ' 4, " hello for then current note character string to be sent! " be encoded as audio-frequency information " f 1F ' 4f 3F ' 2f 6F ' 4", last audio-frequency information " f 1F ' 4f 3F ' 2f 6F ' 4" be sent out away through the voice-frequency channel that has connected according to S12 is said.
Preferably; For ease of with the decoding end normal decoder; In the predictive encoding method shown in Figure 3, also can be included in step after the S32: carry out the beginning of the resulting pairing audio-frequency information of each note character to be sent in back and the initial symbol and the full stop that begin and finish that end is provided for identifying this note character at S32.The frequency information that said initial symbol and full stop are respectively is predefined, can send through the voice-frequency channel that has connected described in the S12.For example, in the example of the preceding paragraph, the audio-frequency information " f that can encode 1F ' 4f 3F ' 2f 6F ' 4" in, the beginning of the former pairing audio-frequency information of each note character to be sent and finish to be provided with respectively initial symbol f KWith full stop f J, that is: the audio-frequency information that finally sends is " f Kf 1F ' 4f Jf Kf 3F ' 2f Jf Kf 6F ' 4f J".
Corresponding to the predictive encoding method that Fig. 3 provided, the embodiment of the invention provides first kind of predetermined decoding method, and is as shown in Figure 4, and this coding/decoding method comprises:
S41: pre-configured and storage high frequency, low frequency frequency and note character decoding table.
Particularly, confirm that in advance N1 can be passed through the high frequency frequency f that the voice-frequency channel described in the S12 sends 1, f 2..., f N1, and the low frequency frequency f that can send through this voice-frequency channel of N2 ' 1, f ' 2..., f ' N2Mode with the note character of a combination of frequency correspondence in frequency in this N1 the high frequency frequency and this N2 the low frequency frequency; Plant combination of frequency for N1 * N2 that said N1 high frequency frequency and N2 low frequency frequency are formed and be decoded as N1 * N2 note character respectively, obtain and store high frequency, low frequency frequency and note character decoding table; Wherein, said N1, N2 are the positive integer more than or equal to 4;
S42: according to high frequency, low frequency frequency and the note character decoding table of storage in advance, a low frequency frequency and a high frequency frequency adjacent in the said audio-frequency information that will receive successively are decoded as a note character.
Preferably; The audio-frequency information of in S21, receiving comprises initial symbol and full stop; That said initial symbol and full stop are respectively is predefined, can be through voice-frequency channel transmit and the CF information that begins and finish that be used to identify each note character; Then among the S42; According to high frequency, low frequency frequency and the note character decoding table of storage in advance, in the said audio-frequency information that will receive in order between the every pair of initial symbol and the full stop an adjacent low frequency frequency and high frequency frequency be decoded as a note character.Wherein, for example, according to the method described in the S41 pre-configured behind high frequency, low frequency frequency and the note character decoding table, need be if current to audio-frequency information " f through obtaining after the above-mentioned encoded in the present embodiment Kf 1F ' 4f Jf Kf 3F ' 2f Lf Kf 6F ' 4f J" decode, then earlier according to predefined initial symbol f KWith full stop f JCan be rapidly with audio-frequency information " f Kf 1F ' 4f Jf Kf 3F ' 2f Jf Kf 6F ' 4f J" split three combination: f of a high frequency frequency and a low frequency frequency in order 1F ' 4, f 3F ' 2And f 6F ' 4, in this high frequency, low frequency frequency and note character decoding table, inquire about obtaining subsequently: the high frequency frequency f 1With the low frequency frequency f ' 4Corresponding decoding character is " you ", the high frequency frequency f 3With the low frequency frequency f ' 2Corresponding decoding character is " good ", the high frequency frequency f 6With the low frequency frequency f ' 4Corresponding decoding character be punctuation mark "! ", then among the S42 with the current audio-frequency information " f that receives Kf 1F ' 4f Jf Kf 3F ' 2f Lf Kf 6F ' 4f J" " hello to be decoded as the note character string! ".
Embodiment two
A kind of concrete grammar that any note character is encoded is provided in the foregoing description one; Because character quantities such as numerical character, punctuation mark are few; Can realize easily through this coding method when it is encoded, and Chinese character quantity is more, adopt that the embodiment of the invention provides any note character is carried out Methods for Coding the time need use can be more through the frequency that voice-frequency channel sends; For further practicing thrift frequency resource; Present embodiment provides the another kind of coding method to Chinese character, can on the basis of above-mentioned coding method, further reduce the employed audio frequency of coding, and is specifically as shown in Figure 5.
Second kind of predictive encoding method that Fig. 5 provides for the embodiment of the invention; This method is used at first converting Chinese character to be sent into the pinyin character string; Subsequently each pinyin character in the pairing pinyin character string of each Chinese character being encoded to respectively can be through a low frequency frequency and high frequency frequency of voice-frequency channel transmission, and this method specifically comprises:
S51: pre-configured and storage pinyin character and high frequency, low frequency frequency coding table.
The practical implementation method of this step is: confirm that in advance N1 can be passed through the high frequency frequency f that voice-frequency channel sends 1, f 2..., f N1, and the low frequency frequency f that can send through voice-frequency channel of N2 ' 1, f ' 2..., f ' N2With a mode that frequency coding is a pinyin character in frequency in this N1 the high frequency frequency and N2 the low frequency frequency; With said N1 high frequency frequency and said N2 low frequency frequency coding is N1 * N2 pinyin character, obtains and store pinyin character and high frequency, low frequency frequency coding table; Wherein, N1, N2 are the positive integer more than or equal to 4;
S52:, convert each Chinese character to be sent into its corresponding pinyin character string according to the corresponding relation of Chinese character and phonetic.
S53: pinyin character and high frequency, low frequency frequency coding table according to storage in advance are encoded to audio-frequency information respectively with each pinyin character in the pairing pinyin character string of each Chinese character to be sent in order.Be similar to embodiment one, in this step, for the ease of the recipient to here information encoded decode; Can stipulate: in the audio-frequency information that each pinyin character coding is obtained; Make the high frequency frequency in the first place, the low frequency frequency is at second, like this; When decoding end is received the audio-frequency information that comprises several high and low frequency frequencies, can learn easily each a high frequency frequency and a low frequency frequency following closely represented be a pinyin character string.Obviously much more no longer, the send mode of the pairing frequency information of above-mentioned each pinyin character can also be defined as other modes, to do description here.
Be similar to an embodiment, for example, in S51, confirmed that in advance N1 can be passed through the high frequency frequency f that voice-frequency channel sends 1, f 2..., f N1, and the low frequency frequency f that can send through voice-frequency channel of N2 ' 1, f ' 2..., f ' N2, with having obtained pinyin character and high frequency, low frequency frequency coding table behind its coding.If current note character string to be sent is Chinese character " hello "; Then after pinyin character and high frequency, low frequency frequency coding table preestablished and store, order was carried out S52---with current Chinese character " you " to be sent and " good " converted into them respectively each self-corresponding pinyin character string " ni " and " hao "; Carry out S43 subsequently again: in this pinyin character and high frequency, low frequency frequency coding table, inquire about obtaining: pinyin character " n " corresponding codes frequency is f 1F ' 1, pinyin character " i " corresponding codes frequency is f 1F ' 2, pinyin character " h " corresponding codes frequency is f 1F ' 3, pinyin character " a " corresponding codes frequency is f 1F ' 4, pinyin character " o " corresponding codes frequency is f 1F ' 5, the then current pairing pinyin character string of note character string " hello " " nihao " to be sent is encoded to audio-frequency information " f 1F ' 1f 1F ' 2f 1F ' 3f 1F ' 4f 1F ' 5", last audio-frequency information " f 1F ' 1f 1F ' 2f 1F ' 3f 1F ' 4f 1F ' 5" be sent out away through the voice-frequency channel that has connected according to S12 is said.
Preferably; For ease of with the decoding end normal decoder; In the predictive encoding method shown in Figure 5, also can comprise step after the S53: carry out resulting each note character to be sent in back (being Chinese character in this embodiment) beginning of pairing audio-frequency information and the initial symbol and the full stop that begin and finish that end is provided for identifying this note character at S53.The frequency information that said initial symbol and full stop are respectively is predefined, can transmit through the voice-frequency channel that has connected described in the S12.For example, in the example of the preceding paragraph, at Chinese character " you " the coding pairing audio-frequency information " f in back to be sent 1F ' 1f 1F ' 2" and Chinese character " good " the coding pairing audio-frequency information " f in back to be sent 1F ' 3f 1F ' 4f 1F ' 5" beginning and finish the frequency f that can send through the said voice-frequency channel that has connected is set respectively K(initial symbol) and f J(full stop) obtains the pairing audio-frequency information " f of note character " hello " to be sent Kf 1F ' 1f 1F ' 2f Jf Kf 1F ' 3f 1F ' 4f 1F ' 5f J".
Obviously; Two kinds of coding methods among embodiment one and the embodiment two can also be used in combination; For example; When not only containing Chinese in the note character string to be sent and also contain other symbols such as punctuation mark or numerical chracter; Can pre-configured other note characters except Chinese character and several high frequencies, the low frequency frequency coding table that can send through voice-frequency channel, when receiving note character string to be sent, convert the Chinese character in the note character string to be sent into its pairing pinyin character string earlier then; According to pre-configured other note characters except Chinese character and several high frequencies, the low frequency frequency coding table that can pass through the voice-frequency channel transmission, pinyin character string to be sent and other character codes are the audio-frequency information with high frequency, low frequency frequency representation then.Much more no longer to do explanation here.
Corresponding to the predictive encoding method that Fig. 5 provided, the embodiment of the invention provides second kind of predetermined decoding method, and is as shown in Figure 6, and this coding/decoding method comprises:
S61: pre-configured and storage high frequency, low frequency frequency and pinyin character decoding table.
In this step, confirm that in advance N1 can be passed through the high frequency frequency f that voice-frequency channel sends 1, f 2..., f N1, and the low frequency frequency f that can send through this voice-frequency channel of N2 ' 1, f ' 2..., f ' N2State the mode of the corresponding pinyin character of a combination of frequency in N2 the low frequency frequency with a frequency in this N1 the high frequency frequency; N1 * N2 kind combination of frequency that said N1 high frequency frequency and N2 low frequency frequency are formed is decoded as N1 * N2 pinyin character respectively, obtains and store high frequency, low frequency frequency and pinyin character decoding table; Wherein, N1, N2 are the positive integer more than or equal to 4.
S62: according to said high frequency, low frequency frequency and the pinyin character decoding table of storage in advance; A low frequency frequency and a high frequency frequency adjacent in the said audio-frequency information that will receive in order are decoded as a pinyin character, obtain the pairing pinyin character string of said audio-frequency information.
S63:, will go up and obtain the pairing pinyin character string of audio-frequency information in the step and convert the Chinese character string into according to the corresponding relation of phonetic and Chinese character.In this step; What the pinyin character string that need combine mathematical statistics schemes such as mathematical formulae and probability theory to go to judge according to the voice linguistic context to obtain among the S63 was corresponding is any Chinese character; Its mechanism is similar to intelligent input method of the prior art; Because the identification relation of the association between pinyin character and the Chinese character is not an emphasis of the present invention, much more no longer to do explanation here.
Preferably; When the audio-frequency information of receiving among the S21 comprises initial symbol and full stop; That said initial symbol and full stop are respectively is predefined, can transmit and be used to identify the CF information that begins and finish of each note character through voice-frequency channel; Then S62 specifically comprises: according to high frequency, low frequency frequency and the pinyin character decoding table of storage in advance; In the said audio-frequency information that will receive in order between the every pair of initial symbol and the full stop an adjacent low frequency frequency and high frequency frequency be decoded as a pinyin character, obtain the pinyin character string between the every pair first initial symbol and first full stop.Then S63 specifically comprises: according to the corresponding relation of phonetic and Chinese character; To go up the every pair first initial symbol obtaining in the step and the pinyin character string between first full stop in order and convert a Chinese character into, finally obtain the pairing Chinese character string of audio-frequency information that receives.
For example; According to the described method of S61 pre-configured behind high frequency, low frequency frequency and the pinyin character decoding table, suppose that the audio-frequency information of current needs decoding of receiving is the audio-frequency information " f that comprises initial symbol and full stop through obtaining in the son that above-mentioned coding method in the present embodiment is given an example Kf 1F ' 1f 1F ' 2f Jf Kf 1F ' 3f 1F ' 4f 1F ' 5f J", then first among the S62 according to predefined initial symbol f KWith full stop f JCan be rapidly with audio-frequency information " f Kf 1F ' 1f 1F ' 2f Jf Kf 1F ' 3f 1F ' 4f 1F ' 5f J" be split as two combination of frequencies in order: " f 1F ' 1f 1F ' 2" and " f 1F ' 3f 1F ' 4f 1F ' 5", in this high frequency, low frequency frequency and pinyin character decoding table, inquire about obtaining subsequently: high and low frequency combination f 1F ' 1Corresponding decoding character is pinyin character " n ", high and low frequency combination f 1F ' 2Corresponding decoding character is pinyin character " i ", high and low frequency combination f 1F ' 3Corresponding decoding character is pinyin character " h ", high and low frequency combination f 1F ' 4Corresponding decoding character is pinyin character " a ", high and low frequency combination f 1F ' 5The decoding character of answering is pinyin character " o ", then frequency information " the f between the first pair of initial symbol and the full stop 1F ' 1f 1F ' 2" be decoded as pinyin character string " ni ", the frequency information " f between the second pair of initial symbol and the full stop 1F ' 3f 1F ' 4f 1F ' 5" be decoded as pinyin character string " hao "; Carry out S63 subsequently:, convert the next-door neighbour's who decodes two spelling sound character strings " ni " and " hao " into Chinese character " hello " according to the corresponding relation of phonetic and Chinese character.
Embodiment three
The third predictive encoding method that Fig. 7 provides for the embodiment of the invention; This method is at least two dual-tone multifrequency sign indicating numbers in the existing dual-tone multifrequency technology with each note character code to be sent, and then each note character can send through voice-frequency channel with pairing high frequency frequency of the pairing dual-tone multifrequency sign indicating number of this note character and low frequency frequency.This method specifically may further comprise the steps:
S71: pre-configured and storage note character and dual-tone multifrequency sign indicating number coding schedule.
The practical implementation method of this step is: the mode that is encoded to a note character in advance at least with two dual-tone multifrequency sign indicating numbers in the dual-tone multifrequency sign indicating number; 16 dual-tone multifrequency sign indicating numbers are encoded to several note characters, obtain and store note character and dual-tone multifrequency sign indicating number coding schedule.Wherein, Can stipulate n dual-tone multifrequency sign indicating number in corresponding existing 16 the dual-tone multifrequency sign indicating numbers of each note character, n=2 wherein ... 16; The note character quantity of encoding when needs more also can make the quantity of the corresponding dual-tone multifrequency sign indicating number of different note characters different, for example; In said note character and dual-tone multifrequency sign indicating number coding schedule; Some note character adopts 2 dual-tone multifrequency sign indicating numbers to encode, and some 3 of note character employing even more a plurality of dual-tone multifrequency sign indicating number are encoded, and maximum note character quantities that this kind method can be encoded are individual for .
S72: said note character and dual-tone multifrequency sign indicating number coding schedule according to storage in advance are encoded to several dual-tone multifrequency sign indicating numbers respectively with each note character to be sent in order.
S73:, in order pairing several dual-tone multifrequency sign indicating numbers of each note character to be sent are encoded to audio-frequency information respectively according to the double-tone multi-frequency coding method.
For example; In S71,16 dual-tone multifrequency sign indicating numbers (comprising: numeral 0 ~ 9, English A, B, C, D and symbol * and #) are encoded into several note characters; Obtain note character and dual-tone multifrequency sign indicating number coding schedule, and establish corresponding two the dual-tone multifrequency sign indicating numbers of each note character here.If current note character string to be sent is that " hello! ", when then carrying out S72, in short messages stored character and dual-tone multifrequency sign indicating number coding schedule in advance, inquire about obtaining: the dual-tone multifrequency sign indicating number that Chinese character " you " is corresponding is " 01 ", and the dual-tone multifrequency sign indicating number that Chinese character " good " is corresponding is " 26 ", punctuation mark "! " corresponding dual-tone multifrequency sign indicating number is " 4A ", then carry out S42 after, " hello for current note character string to be sent! " be encoded as several dual-tone multifrequency sign indicating numbers " 01 ", " 26 ", " 4A ".Carry out S73 subsequently: for convenient explanation, provide double-tone multi-frequency coding table as shown in table 1 below earlier, and in follow-up explanation, use x here 1Expression is used x with the high frequency frequency 1209Hz in the following table 2High frequency frequency 1336Hz in the expression following table uses x 3High frequency frequency 1477Hz in the expression following table uses x 4High frequency frequency 1633Hz in the expression following table, and with y ' 1Expression is with the high frequency frequency 697Hz in the following table, with y ' 2High frequency frequency 770Hz in the expression following table is with y ' 3High frequency frequency 850Hz in the expression following table is with y ' 4High frequency frequency 941Hz in the expression following table.
Table 1 double-tone multi-frequency coding table
Figure BDA00001718269400121
Then in this example, when carrying out S73 dual-tone multifrequency sign indicating number string " 01 " is encoded to height frequency information " x 2Y ' 4x 1Y ' 1", dual-tone multifrequency sign indicating number string " 26C " is encoded to height frequency information " x 2Y ' 1x 3Y ' 2", dual-tone multifrequency sign indicating number string " 4A " is encoded to height frequency information " x 1Y ' 3x 4Y ' 1", finally " hello to sent the note character string! " audio-frequency information that obtains behind the coding is " x 2Y ' 4x 1Y ' 1x 2Y ' 1x 3Y ' 2x 1Y ' 3x 4Y ' 1", this audio-frequency information is sent out away according to the described voice-frequency channel of S12.
Obviously, when said note character was identical with the number of any two pairing dual-tone multifrequency sign indicating numbers of note character in the dual-tone multifrequency sign indicating number coding schedule, the audio-frequency information that S73 sends after carrying out can correctly be decoded the recipient." hello for the note character string in the example like the preceding paragraph! " in all corresponding two the dual-tone multifrequency sign indicating numbers of each note character; and the corresponding high frequency frequency of each dual-tone multifrequency sign indicating number and a low frequency frequency; so each note character finally is encoded as four frequencies---two high frequency frequencies and two low frequency frequencies; as long as with these four frequencies according to predetermined sequence arrangement; as in the example of the preceding paragraph, four frequencies that each note character finally is encoded as are according to the sequence arrangement of " high frequency low frequency high frequency low frequency ", and decoding end is " x receiving audio-frequency information 2Y ' 4x 1Y ' 1x 2Y ' 1x 3Y ' 2x 1Y ' 3x 4Y ' 1" time, can be in order with comprising four frequencies---the audio-frequency information of " high frequency low frequency high frequency low frequency " is decoded as a note character.
Preferably; When having two in said note character and the dual-tone multifrequency sign indicating number coding schedule at least during from the different note character of a pairing dual-tone multifrequency number of codes; For ease of the decoding end normal decoder; In the predictive encoding method shown in Figure 7, also comprise step after the S73: carry out the beginning of the resulting pairing audio-frequency information of each note character to be sent in back and the initial symbol and the full stop that begin and finish that end is provided for identifying this note character at S73.The frequency information that said initial symbol and full stop are respectively is predefined, can send through the voice-frequency channel that has connected described in the S12.For example, in the above-mentioned coding example that present embodiment provides, the audio-frequency information " x that can encode after through S73 2Y ' 4x 1Y ' 1x 2Y ' 1x 3Y ' 2x 1Y ' 3x 4Y ' 1" in, the beginning of the former pairing audio-frequency information of each note character to be sent and finish to be provided with respectively initial symbol f KWith full stop f J, obtaining audio-frequency information to be sent is " f Kx 2Y ' 4x 1Y ' 1f Jf Kx 2Y ' 1x 3Y ' 2f Jf Kx 1Y ' 3x 4Y ' 1f J".
Corresponding to the third predictive encoding method that present embodiment provided, the embodiment of the invention provides the third predetermined decoding method, and is as shown in Figure 8, and this coding/decoding method comprises:
S81: pre-configured and storage dual-tone multifrequency sign indicating number and note character decoding table.
In this step; In advance with the mode of the corresponding note character of at least two dual-tone multifrequency code combinations in the dual-tone multifrequency sign indicating number; The some groups of dual-tone multifrequency code combinations that 16 dual-tone multifrequency sign indicating number codings are formed are decoded as several note characters respectively, obtain and store dual-tone multifrequency sign indicating number and note character decoding table.
S82: according to dual-tone multifrequency sign indicating number coding/decoding method, successively a low frequency frequency and a high frequency frequency adjacent in the audio-frequency information of receiving are decoded as a dual-tone multifrequency sign indicating number, obtain the pairing dual-tone multifrequency sign indicating number of said audio-frequency information string.
S83: said dual-tone multifrequency sign indicating number and note character decoding table according to storage in advance are decoded as the note character string with the dual-tone multifrequency sign indicating number string that obtains in the last step.
In this method; If the number of any two pairing dual-tone multifrequency sign indicating numbers of note character is N (N >=2) in said dual-tone multifrequency sign indicating number that disposes among the S81 and the note character decoding table; After then S82 executes, successively adjacent N dual-tone multifrequency sign indicating number string is decoded as a note character among the S83.For example; If the number of any two pairing dual-tone multifrequency sign indicating numbers of note character is N=2 in said dual-tone multifrequency sign indicating number that disposes among the S81 and the note character decoding table; The number of dual-tone multifrequency sign indicating number is 6 in the dual-tone multifrequency sign indicating number string that S82 obtains after carrying out; Then S83 is decoded as first note character with 1-2 dual-tone multifrequency sign indicating number in this dual-tone multifrequency sign indicating number string; And 3-4 dual-tone multifrequency sign indicating number in these 6 dual-tone multifrequency sign indicating numbers be decoded as second note character, and 5-6 dual-tone multifrequency sign indicating number in these 6 dual-tone multifrequency sign indicating numbers is decoded as the 3rd note character.
Preferably; When the audio-frequency information of receiving among the S21 comprises initial symbol and full stop; That said initial symbol and full stop are respectively is predefined, can transmit and be used to identify the CF information that begins and finish of each note character through voice-frequency channel; Then S82 specifically comprises: according to dual-tone multifrequency sign indicating number coding/decoding method; In the said audio-frequency information that will receive successively between the every pair of initial symbol and the full stop an adjacent low frequency frequency and high frequency frequency be decoded as a dual-tone multifrequency sign indicating number, obtain several dual-tone multifrequency sign indicating numbers between every pair of initial symbol and the full stop.This moment, S83 specifically comprised: according to the said dual-tone multifrequency sign indicating number and the note character decoding table of storage in advance; To go up the every pair of initial symbol obtaining in the step and several dual-tone multifrequency sign indicating numbers between the full stop successively and be decoded as a note character, finally obtain the note character string.For example: according to the described method of S81 pre-configured behind dual-tone multifrequency sign indicating number and the note character decoding table, suppose that the audio-frequency information of current needs decoding of receiving is the audio-frequency information " f that comprises initial symbol and full stop through obtaining in the son that above-mentioned coding method in the present embodiment is given an example Kx 2Y ' 4x 1Y ' 1f Jf Kx 2Y ' 1x 3Y ' 2f Jf Kx 1Y ' 3x 4Y ' 1f J", then first among the S82 according to predefined initial symbol f KWith full stop f JCan rapidly this audio-frequency information be split as three combination of frequencies in order: " x 2Y ' 4x 1Y ' 1", " x 2Y ' 1x 3Y ' 2" and " x 1Y ' 3x 4Y ' 1", subsequently according to the dual-tone multifrequency coding/decoding method, will be at the frequency information " x between first pair of initial symbol and the full stop 2Y ' 4x 1Y ' 1" be decoded as dual-tone multifrequency sign indicating number string " 01 ", and will be at the frequency information " x between second pair of initial symbol and the full stop 2Y ' 1x 3Y ' 2" be decoded as dual-tone multifrequency sign indicating number string " 26 ", and will be at the frequency information " x between the 3rd pair of initial symbol and the full stop 1Y ' 3x 4Y ' 1" be decoded as dual-tone multifrequency sign indicating number string " 4A ".Carry out S83 at last: obtain according to inquiring about in said dual-tone multifrequency sign indicating number of storing in advance and the note character decoding table: the note character that dual-tone multifrequency sign indicating number string " 01 " is corresponding is a Chinese character " you "; The note character that dual-tone multifrequency sign indicating number string " 26 " is corresponding is Chinese character " good ", the note character that dual-tone multifrequency sign indicating number string " 4A " is corresponding be punctuation mark "! ", that is: the audio-frequency information that receives the most at last is decoded as the note character string, and " hello! "
Embodiment four
A kind of concrete grammar that combines existing dual-tone multifrequency sign indicating number that any note character is encoded is provided in the foregoing description three; Because character quantities such as numerical character, punctuation mark are few; When being encoded, it can realize easily through this coding method; And Chinese character quantity is more, and the dual-tone multifrequency sign indicating number that when the coding method of adopting the embodiment of the invention three to provide, need use is more, therefore is further to practice thrift frequency resource; Present embodiment provides the another kind of coding method to Chinese character, can on the basis of the coding method that embodiment three provides, further reduce the employed dual-tone multifrequency sign indicating number of coding.
The 4th kind of predictive encoding method that Fig. 9 provides for the embodiment of the invention; This method at first converts Chinese character to be sent into the pinyin character string; Subsequently each pinyin character in the pairing pinyin character string of each Chinese character is encoded at least two dual-tone multifrequency sign indicating numbers respectively; Then pairing several dual-tone multifrequency sign indicating numbers of Chinese character are encoded the audio-frequency information of the frequency coding that finally obtains being adopted with existing dual-tone multifrequency sign indicating number through the double-tone multi-frequency coding method.As shown in Figure 9, this method specifically comprises:
S91: pre-configured and storage pinyin character and dual-tone multifrequency sign indicating number coding schedule.
The practical implementation method of this step is: the mode that is encoded to a pinyin character in advance at least with two dual-tone multifrequency sign indicating numbers in the dual-tone multifrequency sign indicating number; 16 dual-tone multifrequency sign indicating numbers are encoded to several note characters, obtain and store pinyin character and dual-tone multifrequency sign indicating number coding schedule.Wherein, can stipulate that each pinyin character correspondence is encoded to n dual-tone multifrequency sign indicating number in existing 16 dual-tone multifrequency sign indicating numbers, n=2 wherein ..., 16.Obviously; Also can make the quantity of the corresponding dual-tone multifrequency sign indicating number of different pinyin character different; For example; In said pinyin character and dual-tone multifrequency sign indicating number coding schedule; Some pinyin character adopts 2 dual-tone multifrequency sign indicating numbers to encode, and some 3 of pinyin character employing even more a plurality of dual-tone multifrequency sign indicating number are encoded, and maximum note character quantities that this kind method can be encoded are individual for
Figure BDA00001718269400151
.
S92:, each Chinese character to be sent is converted into its corresponding pinyin character string according to the corresponding relation of Chinese character and phonetic.
S93: pinyin character and dual-tone multifrequency sign indicating number coding schedule according to storage in advance are encoded to several dual-tone multifrequency sign indicating numbers respectively with each pinyin character in the pairing pinyin character string of each Chinese character to be sent in order.
S94:, pairing several dual-tone multifrequency sign indicating numbers of each pinyin character in the pairing pinyin character string of each Chinese character to be sent are encoded to audio-frequency information in order respectively according to the double-tone multi-frequency coding method.
For example, in S91, existing 16 dual-tone multifrequency sign indicating numbers are encoded into 26 pinyin character, obtain pinyin character and dual-tone multifrequency sign indicating number coding schedule, and establish corresponding two the dual-tone multifrequency sign indicating numbers of each pinyin character here.If current note character string to be sent is Chinese character string " hello "; The just current Chinese character " you " to be sent of S92 and " good " converted into them respectively each self-corresponding pinyin character string " ni " and " hao " then; Carry out S93 subsequently again: in pinyin character of storing in advance and dual-tone multifrequency sign indicating number coding schedule, inquire about obtaining: two corresponding dual-tone multifrequency sign indicating numbers of pinyin character " n " are " 12 "; Two dual-tone multifrequency sign indicating numbers that mosaic symbol " i " is corresponding are " 13 "; Two corresponding dual-tone multifrequency sign indicating numbers of pinyin character " h " are " 14 "; Two corresponding dual-tone multifrequency sign indicating numbers of pinyin character " a " are " 15 "; Two corresponding dual-tone multifrequency sign indicating numbers of pinyin character " o " are " 16 "; The then current pairing pinyin character string of Chinese character " you " to be sent " ni " is encoded as dual-tone multifrequency sign indicating number string " 1213 ", and Chinese character " good " pairing pinyin character string " hao " is encoded as dual-tone multifrequency sign indicating number string " 141516 "; Carry out S94 at last:, the pairing dual-tone multifrequency sign indicating number of Chinese character " you " string " 1213 " to be sent is encoded to audio-frequency information " x according to the described double-tone multi-frequency coding table of a last embodiment 1Y ' 1x 2Y ' 1x 1Y ' 1x 3Y ' 1", and Chinese character to be sent " good " pairing dual-tone multifrequency sign indicating number string " 141516 " is encoded to audio-frequency information " x 1Y ' 1x 1Y ' 2x 1Y ' 1x 2Y ' 2x 1Y ' 1x 3Y ' 2", that is: the encoded that provides through present embodiment of current note character string " hello " to be sent is audio-frequency information " x 1Y ' 1x 2Y ' 1x 1Y ' 1x 3Y ' 1x 1Y ' 1x 1Y ' 2x 1Y ' 1x 2Y ' 2x 1Y ' 1x 3Y ' 2", this audio-frequency information is sent out away according to the described voice-frequency channel of S12.
Obviously, when said pinyin character was identical with the number of any two pairing dual-tone multifrequency sign indicating numbers of pinyin character in the dual-tone multifrequency sign indicating number coding schedule, the audio-frequency information that S93 sends after carrying out can correctly be decoded the recipient.In the example like the preceding paragraph; All corresponding two the dual-tone multifrequency sign indicating numbers of each pinyin character among the pairing pinyin character string of each character of note character string " hello " " ni " and " hao "; And the corresponding high frequency frequency of each dual-tone multifrequency sign indicating number and a low frequency frequency; Therefore each pinyin character finally is encoded as four frequencies---and two high frequency frequencies and two low frequency frequencies need only these four frequencies according to predetermined sequence arrangement, in this example; The tactic audio-frequency information of four " high frequency low frequency high frequency low frequencies " that each pinyin character finally is encoded, so decoding end is " x receiving audio-frequency information 1Y ' 1x 2Y ' 1x 1Y ' 1x 3Y ' 1x 1Y ' 1x 1Y ' 2x 1Y ' 1x 2Y ' 2x 1Y ' 1x 3Y ' 2" time, can be in order with comprising four frequencies---the audio-frequency information of " high frequency low frequency high frequency low frequency " is decoded as a pinyin character.
Preferably; When having two in said pinyin character and the dual-tone multifrequency sign indicating number coding schedule at least during from the different pinyin character of pairing dual-tone multifrequency number of codes; For ease of the decoding end normal decoder; In the predictive encoding method shown in Figure 9; Also can comprise step after the S94: the pinyin character that is provided for separating this pinyin character and front thereof in the beginning of pairing several audio-frequency informations of each pinyin character is the separator of pairing audio-frequency information separately; Said separator is a frequency information predefined, that can send through the voice-frequency channel that has connected described in the S12, and promptly said separator is used to separate any two pairing audio-frequency informations of adjacent pinyin character.For example, in the above-mentioned coding example that present embodiment provides, can be to audio-frequency information " x through obtaining behind the S94 coding 1Y ' 1x 2Y ' 1x 1Y ' 1x 3Y ' 1x 1Y ' 1x 1Y ' 2x 1Y ' 1x 2Y ' 2x 1Y ' 1x 3Y ' 2" in the beginning of each pinyin character corresponding audio information separator " f is set D", thereby obtain comprising the audio-frequency information " f of separator Dx 1Y ' 1x 2Y ' 1f Dx 1Y ' 1x 3Y ' 1f Dx 1Y ' 1x 1Y ' 2f Dx 1Y ' 1x 2Y ' 2f Dx 1Y ' 1x 3Y ' 2".
Preferably; For ease of the decoding end normal decoder; In the coding method that present embodiment provides, after above-mentioned steps S94 or after the above-mentioned step that separator is set, also can comprise step: the initial symbol and the full stop that begin and finish that are provided for identifying this note character in the beginning and the end of the pairing audio-frequency information of each note character to be sent.The frequency information that said initial symbol and full stop are respectively is predefined, can send through the voice-frequency channel that has connected described in the S12.For example, in the example of the preceding paragraph, can further comprise the audio-frequency information " f of separator Dx 1Y ' 1x 2Y ' 1f Dx 1Y ' 1x 3Y ' 1f Dx 1Y ' 1x 1Y ' 2f Dx 1Y ' 1x 2Y ' 2f Dx 1Y ' 1x 3Y ' 2" in, the beginning of former each note character " you " to be sent and " good " pairing audio-frequency information and finish to be provided with respectively initial symbol f KWith full stop f J, obtaining final audio-frequency information to be sent is " f Kf Dx 1Y ' 1x 2Y ' 1f Dx 1Y ' 1x 3Y ' 1f Lf Kf Dx 1Y ' 1x 1Y ' 2f Dx 1Y ' 1x 2Y ' 2f Dx 1Y ' 1x 3Y ' 2f L".
Corresponding to the 4th kind of predictive encoding method that present embodiment provided, present embodiment provides the 4th kind of predetermined decoding method, and shown in figure 10, this coding/decoding method comprises:
S101: pre-configured and storage dual-tone multifrequency sign indicating number and pinyin character decoding table.
The practical implementation method of this step is: in advance with the mode of the corresponding pinyin character of at least two dual-tone multifrequency code combinations in the dual-tone multifrequency sign indicating number; The some groups of dual-tone multifrequency code combinations that 16 dual-tone multifrequency sign indicating number codings are formed are decoded as several pinyin character respectively, obtain and store dual-tone multifrequency sign indicating number and pinyin character decoding table.
S102:, successively a low frequency frequency and a high frequency frequency adjacent in the audio-frequency information of receiving are decoded as a dual-tone multifrequency sign indicating number, the pairing dual-tone multifrequency sign indicating number of the audio-frequency information that obtains receiving string according to dual-tone multifrequency sign indicating number coding/decoding method.
S103: dual-tone multifrequency sign indicating number and pinyin character decoding table based on storage in advance are decoded as the pinyin character string with the dual-tone multifrequency sign indicating number string that obtains in the last step.
S104:, will go up in order and obtain the pinyin character string in the step and convert the Chinese character string into according to the corresponding relation of phonetic and Chinese character.
Preferably; When the audio-frequency information of receiving among the S21 comprises initial symbol and full stop; That said initial symbol and full stop are respectively is predefined, can transmit and be used to identify the CF information that begins and finish of each note character through voice-frequency channel; Then S102 specifically comprises: according to dual-tone multifrequency sign indicating number coding/decoding method, the audio-frequency information in the said audio-frequency information that will receive successively between the every pair of initial symbol and the full stop is decoded as several dual-tone multifrequency sign indicating numbers; S103 specifically comprises: according to the said dual-tone multifrequency sign indicating number and the pinyin character decoding table of storage in advance, several dual-tone multifrequency sign indicating numbers between every pair of initial symbol that obtains in the last step and the full stop are decoded as the pinyin character string; S104 specifically comprises: according to the corresponding relation of phonetic and Chinese character; To go up the every pair of initial symbol obtaining in the step and the pinyin character string between the full stop in order and convert a Chinese character into, finally obtain the pairing Chinese character string of receiving of audio-frequency information.
Preferably; When comprising separator in the audio-frequency information of receiving among the S21; S103 specifically comprises: according to the said dual-tone multifrequency sign indicating number and the pinyin character decoding table of storage in advance; In the dual-tone multifrequency sign indicating number string that obtains among the S102, between any two separators and last separator after dual-tone multifrequency sign indicating number string be decoded as a pinyin character respectively, obtain the pinyin character string.
For example: behind S101 pre-configured and storage dual-tone multifrequency sign indicating number and the pinyin character decoding table, if the audio-frequency information of receiving among the S12 is the audio-frequency information " f that had not only comprised separator but also comprised initial symbol and full stop Kf Dx 1Y ' 1x 2Y ' 1f Dx 1Y ' 1x 3Y ' 1f Lf Kf Dx 1Y ' 1x 1Y ' 2f Dx 1Y ' 1x 2Y ' 2f Dx 1Y ' 1x 3Y ' 2f L" time, then first among the S102 according to predefined initial symbol f KWith full stop f JCan rapidly this audio-frequency information be split as two class frequencys combination " f in order Dx 1Y ' 1x 2Y ' 1f Dx 1Y ' 1x 3Y ' 1" and " f Dx 1Y ' 1x 1Y ' 2f Dx 1Y ' 1x 2Y ' 2f Dx 1Y ' 1x 3Y ' 2", subsequently according to the dual-tone multifrequency coding/decoding method, will be at the frequency information " f between first pair of initial symbol and the full stop Dx 1Y ' 1x 2Y ' 1f Dx 1y' 1x 3Y ' 1" be decoded as dual-tone multifrequency sign indicating number string " f D12f D13 ", and will be at the frequency information " f between second pair of initial symbol and the full stop Dx 1Y ' 1x 1Y ' 2f Dx 1Y ' 1x 2Y ' 2f Dx 1Y ' 1x 3Y ' 2" be decoded as dual-tone multifrequency sign indicating number string " f D14f D15f D16 "; Carry out S103 subsequently: according to predefined separator f DIn dual-tone multifrequency sign indicating number of storing in advance and pinyin character decoding table, inquire dual-tone multifrequency sign indicating number string " 12 ", " 13 ", " 14 ", " 15 " and " 16 " corresponding pinyin character " n ", " i ", " h ", " a " and " o " respectively, that is: obtain at pinyin character string " ni " between first pair of initial symbol and the full stop and the pinyin character string " hao " between second pair of initial symbol and full stop; Carry out S104 at last,, pinyin character string " ni " and " hao " are decoded as Chinese character string " hello " according to the corresponding relation of phonetic and Chinese character.
Two kinds of coding methods among embodiment three and the embodiment four can also be used in combination; For example; When not only containing Chinese in the note character string to be sent and also contain other symbols such as punctuation mark or numerical chracter; Can be pre-configured other note characters and the coding schedule between the dual-tone multifrequency sign indicating number except Chinese character; When receiving note character string to be sent,, then earlier convert the Chinese character in the note character string to be sent into its pairing pinyin character string then if contain Chinese character in the note character string to be sent; Then according to pre-configured other note characters except Chinese character and the coding schedule between the dual-tone multifrequency sign indicating number; Much more no longer with pinyin character string to be sent and other character codes is the dual-tone multifrequency sign indicating number, converts each dual-tone multifrequency sign indicating number into its each self-corresponding high and low audio-frequency information more at last and sends, to do explanation here.Obviously; For two kinds of resulting coding methods of coding method among this combination embodiment three and the embodiment four; According to similar principles; Those skilled in the art can combine embodiment three and two kinds of coding/decoding methods among the embodiment four that the audio-frequency information that obtains through this coding method is decoded accordingly, repeat no more here, and this volume is separated, the pairing note method of sending and receiving of scheme of sign indicating number is also within the technical scope that the invention is intended to protect.
Corresponding to the note transmission method that the embodiment of the invention shown in Figure 1 provides, the embodiment of the invention provides a kind of note dispensing device, and this device is used for note character string to be sent is converted into and can send behind the audio-frequency information through the voice-frequency channel transmission.
A kind of note dispensing device structural representation that provides for the embodiment of the invention shown in Figure 11, this device comprises coding module 111 and sending module 112; Coding module 111 is used for according to the predictive encoding method, is audio-frequency information with note string encoding to be sent; Sending module 112 is used for sending the audio-frequency information that coding module 111 codings obtain through the voice-frequency channel that has connected.
Corresponding to the multiple predictive encoding method that the embodiment of the invention provides, the embodiment of the invention also provides multiple note dispensing device based on note dispensing device shown in Figure 11 respectively, describes respectively below in conjunction with accompanying drawing 12 to accompanying drawing 17.
Second kind of note dispensing device structural representation that Figure 12 provides for the embodiment of the invention, this device comprise coding module 111 and sending module 112, and wherein, coding module 111 further comprises note character code module 121.Note character code module 121 be used in advance confirming N1 can be through the high frequency frequency f of sending through the voice-frequency channel that has connected 1, f 2..., f N1, and the low frequency frequency f that N2 can be through said voice-frequency channel transmission ' 1, f ' 2..., f ' N2With a mode that frequency coding is a note character in frequency in this N1 the high frequency frequency and N2 the low frequency frequency; With this N1 high frequency frequency and N2 low frequency frequency coding is N1 * N2 note character, obtains and store note character and high frequency, low frequency frequency coding table; Wherein, said N1, N2 are the positive integer more than or equal to 4.When note character code module 121 was received note character string to be sent, the said note character of note character code module 121 bases storage in advance and high frequency, low frequency frequency coding table were audio-frequency information with each note character code to be sent in order.
The third note dispensing device structural representation that Figure 13 provides for the embodiment of the invention, this device comprise coding module 111 and sending module 112, and wherein, coding module 111 further comprises Chinese character modular converter 131 and pinyin character coding module 132.
Wherein, Chinese character modular converter 131 is used for the corresponding relation according to Chinese character and phonetic; Convert each Chinese character to be sent into its corresponding pinyin character string, and the pairing pinyin character string of each Chinese character to be sent is offered pinyin character coding module 132.
Pinyin character coding module 132 be used in advance confirming N1 can be through the high frequency frequency f of said voice-frequency channel transmission 1, f 2..., f N1, and the low frequency frequency f that N2 can be through said voice-frequency channel transmission ' 1, f ' 2..., f ' N2With a mode that frequency coding is a pinyin character in frequency in this N1 the high frequency frequency and N2 the low frequency frequency; With this N1 high frequency frequency and N2 low frequency frequency coding is N1 * N2 pinyin character, obtains and store pinyin character and high frequency, low frequency frequency coding table; Wherein, N1, N2 are the positive integer more than or equal to 4.When pinyin character coding module 132 is received the pairing pinyin character string of each Chinese character to be sent that Chinese character modular converter 131 provides; Pinyin character coding module 132 is according to the pinyin character of storage in advance and high frequency, low frequency frequency coding table, and each pinyin character in the pairing pinyin character string of each Chinese character to be sent that in order Chinese character modular converter 131 is provided is encoded to audio-frequency information respectively.
The 4th kind of note dispensing device structural representation that Figure 14 provides for the embodiment of the invention, this device comprise coding module 111 and sending module 112, and wherein, coding module 111 further comprises note character code module 141 and double-tone multi-frequency coding module 142.
Note character code module 141 is used for being encoded to at least two dual-tone multifrequency sign indicating numbers of dual-tone multifrequency sign indicating number in advance the mode of a note character; 16 dual-tone multifrequency sign indicating numbers are encoded to several note characters, obtain and store note character and dual-tone multifrequency sign indicating number coding schedule; When note character code module 141 is received note character string to be sent; Note character code module 141 bases are short messages stored character and dual-tone multifrequency sign indicating number coding schedule in advance; Be several dual-tone multifrequency sign indicating numbers with each note character code to be sent in order, and pairing several dual-tone multifrequency sign indicating numbers of each note character to be sent are sent to double-tone multi-frequency coding module 142.
Double-tone multi-frequency coding module 142 is used for according to the double-tone multi-frequency coding method, and pairing several dual-tone multifrequency sign indicating numbers of each note character to be sent that note character code module 141 is provided are encoded to audio-frequency information in order.
The 5th kind of note dispensing device structural representation that Figure 15 provides for the embodiment of the invention; This device comprises coding module 111 and sending module 112; Wherein, coding module 111 further comprises Chinese character modular converter 151, pinyin character coding module 152 and double-tone multi-frequency coding module 153.
Wherein, Chinese character modular converter 151 is used for the corresponding relation according to Chinese character and phonetic; Convert each Chinese character to be sent into its corresponding pinyin character string, and the pairing pinyin character string of each Chinese character is offered pinyin character coding module 152.
Pinyin character coding module 152 is used for being encoded to at least two dual-tone multifrequency sign indicating numbers of dual-tone multifrequency sign indicating number in advance the mode of a pinyin character; 16 dual-tone multifrequency sign indicating numbers are encoded to several pinyin character, obtain and store pinyin character and dual-tone multifrequency sign indicating number coding schedule; When pinyin character coding module 152 is received the pairing pinyin character string of each Chinese character that Chinese character modular converter 151 provides; Also be used for pinyin character and dual-tone multifrequency sign indicating number coding schedule according to storage in advance; Each pinyin character in the pairing pinyin character string of each Chinese character that will receive in order is encoded to several dual-tone multifrequency sign indicating numbers respectively, and pairing several dual-tone multifrequency sign indicating numbers of each pinyin character are sent to double-tone multi-frequency coding module 153.
Double-tone multi-frequency coding module 153 is used for according to the dual-tone multifrequency code encoding method, and pairing several dual-tone multifrequency sign indicating numbers of each pinyin character that pinyin character coding module 152 is provided are encoded to audio-frequency information in order respectively.
Shown in figure 16, preferably, coding module 111 shown in Figure 15 can comprise that also separator is provided with module 154, and the beginning of the pairing audio-frequency information of each pinyin character that is used for behind double-tone multi-frequency coding module 153 coding, obtaining is provided with separator.Said separator is a frequency information predefined, that can send and be used to separate any two adjacent pairing audio-frequency informations of pinyin character through the said voice-frequency channel that has connected.
Shown in figure 17, preferably, Figure 11 comprises further that to note dispensing device shown in Figure 20 the start-stop symbol is provided with module 113.
Wherein, coding module 111 is used for to said start-stop symbol module being set provides the audio-frequency information that finally obtains behind each note character code.
Beginning and end that start-stop symbol is provided with the audio-frequency information that finally obtains behind each note character code that module 113 is used for providing at coding module 111 are provided with initial symbol and full stop, and the audio-frequency information that will comprise initial symbol and full stop sends to sending module 112 and sends; That said initial symbol and full stop are respectively is predefined, can send and be used to identify the frequency information that begins and finish of each note character through the voice-frequency channel that has connected.
Sending module 112 is used for sending the start-stop symbol through the voice-frequency channel that has connected the audio-frequency information that comprises said initial symbol and full stop that module 113 provides is set.
Obviously, for the note dispensing device that interpolation start-stop symbol on device shown in Figure 12 is provided with module 113, what the start-stop symbol was provided with module 113 receptions is the audio-frequency information that finally after note character code module 121 is encoded, obtains.Similarly, if coding module 111 comprises Chinese character modular converter 131 and pinyin character coding module 132, what then the start-stop symbol was provided with module 113 receptions is the audio-frequency information that finally behind pinyin character coding module 132 codings, obtains; If coding module 111 comprises note character code module 141 and double-tone multi-frequency coding module 142, what then the start-stop symbol was provided with module 113 receptions is the audio-frequency information that finally behind double-tone multi-frequency coding module 142 codings, obtains; If coding module 111 comprises Chinese character modular converter 151, pinyin character coding module 152 and double-tone multi-frequency coding module 153, what then the start-stop symbol was provided with module 113 receptions is the audio-frequency information that finally behind double-tone multi-frequency coding module 153 codings, obtains; If coding module 111 comprises that Chinese character modular converter 151, pinyin character coding module 152, double-tone multi-frequency coding module 153 and separator are provided with module 154, what then the start-stop symbol was provided with module 113 receptions is finally through separator module 154 to be set to add the audio-frequency information that obtains behind the separators.
The short message receiving method that provides corresponding to the embodiment of the invention shown in Figure 2; The embodiment of the invention provides a kind of note receiving system, and this device is used for the audio-frequency information that sends over through voice-frequency channel according to being reduced to the former note character string that transmit leg sends after the predetermined decoding method decoding.
A kind of note receiving system structural representation that provides for the embodiment of the invention shown in Figure 180, this device comprises receiver module 181 and decoder module 182.Wherein, receiver module 181 is used to receive the audio-frequency information that sends over through the voice-frequency channel that has connected, and this audio-frequency information is offered decoder module 182; Decoder module 182 is used for according to the predetermined decoding method, and the audio-frequency information that receiver module 181 is provided is decoded as the note character string.
Corresponding to the multiple predetermined decoding method that provides in the embodiment of the invention one to four, the embodiment of the invention also provides multiple note receiving system based on device shown in Figure 180 respectively, describes respectively below in conjunction with accompanying drawing 19 to accompanying drawing 22.
Second kind of note receiving system structural representation that Figure 19 provides for the embodiment of the invention, this device comprise receiver module 181 and decoder module 182, and wherein, decoder module 182 further comprises note character decoder module 191.Said note character decoder module 191 is used for confirming in advance N1 can pass through the high frequency frequency f that voice-frequency channel sends 1, f 2..., f N1, and the low frequency frequency f that can send through voice-frequency channel of N2 ' 1, f ' 2..., f ' N2Mode with the corresponding note character of a combination of frequency in frequency in N1 the high frequency frequency and N2 the low frequency frequency; N1 * N2 kind combination of frequency that this N1 high frequency frequency and N2 low frequency frequency are formed is decoded as N1 * N2 note character respectively, obtains and store high frequency, low frequency frequency and note character decoding table; When note character decoder module 191 is received the audio-frequency information that receiver module 181 provides; Note character decoder module 191 is decoded as a note character with a low frequency frequency and a high frequency frequency adjacent in the audio-frequency information of receiving successively according to said high frequency, low frequency frequency and the note character decoding table of storage in advance; Wherein, said N1, N2 are the positive integer more than or equal to 4.
The third note receiving system structural representation that Figure 20 provides for the embodiment of the invention, this device comprise receiver module 181 and decoder module 182, and wherein, decoder module 182 further comprises pinyin character decoder module 201 and pinyin character modular converter 202.
Pinyin character decoder module 201, be used in advance confirming N1 can be through the high frequency frequency f of said voice-frequency channel transmission 1, f 2..., f N1, and the low frequency frequency f that N2 can be through said voice-frequency channel transmission ' 1, f ' 2..., f ' N2Mode with the corresponding pinyin character of a combination of frequency in a frequency in said N1 the high frequency frequency and said N2 the low frequency frequency; Said N1 high frequency frequency and said N2 the N1 that the low frequency frequency is formed * N2 kind combination of frequency are decoded as N1 * N2 pinyin character respectively, obtain and store high frequency, low frequency frequency and pinyin character decoding table; When said pinyin character decoder module is received the audio-frequency information that said receiver module provides; Said pinyin character decoder module is used for said high frequency, low frequency frequency and the pinyin character decoding table according to storage in advance; Successively a low frequency frequency and a high frequency frequency adjacent in the audio-frequency information of receiving are decoded as a pinyin character, obtain the pairing pinyin character string of said audio-frequency information and send it to said pinyin character modular converter; Wherein, said N1, N2 are the positive integer more than or equal to 4;
Pinyin character modular converter 202 is used for the corresponding relation according to phonetic and Chinese character, and the pinyin character string that said pinyin character decoder module is provided is decoded as the Chinese character string.
The 4th kind of note receiving system structural representation that Figure 21 provides for the embodiment of the invention, this device comprise receiver module 181 and decoder module 182, and wherein, decoder module 182 further comprises dual-tone multifrequency decoder module 211 and note character decoder module 212;
Dual-tone multifrequency decoder module 211; Be used for according to dual-tone multifrequency sign indicating number coding/decoding method; An adjacent low frequency frequency and high frequency frequency is decoded as a dual-tone multifrequency sign indicating number in the audio-frequency information that successively receiver module 181 is provided, and obtains said audio-frequency information pairing dual-tone multifrequency sign indicating number string and sends it to note character decoder module 212.
Note character decoder module 212; Be used in advance mode with the corresponding note character of at least two dual-tone multifrequency code combinations of dual-tone multifrequency sign indicating number; The some groups of dual-tone multifrequency code combinations that 16 dual-tone multifrequency sign indicating numbers are formed are decoded as several note characters respectively, obtain and store dual-tone multifrequency sign indicating number and note character decoding table; When note character decoder module 212 is received the pairing dual-tone multifrequency sign indicating number of the said audio-frequency information string that dual-tone multifrequency decoder module 211 decodes; Note character decoder module 212 is used for dual-tone multifrequency sign indicating number and the note character decoding table according to storage in advance, and the dual-tone multifrequency sign indicating number string of receiving is decoded as the note character string.
The 5th kind of note receiving system structural representation that Figure 22 provides for the embodiment of the invention; This device comprises receiver module 181 and decoder module 182; Wherein, decoder module 182 further comprises dual-tone multifrequency decoder module 221, pinyin character decoder module 222 and pinyin character modular converter 223;
Dual-tone multifrequency decoder module 221; Be used for according to dual-tone multifrequency sign indicating number coding/decoding method; An adjacent low frequency frequency and high frequency frequency is decoded as a dual-tone multifrequency sign indicating number in the audio-frequency information that successively receiver module 181 is provided, and obtains said audio-frequency information pairing dual-tone multifrequency sign indicating number string and sends it to pinyin character decoder module 222;
Pinyin character decoder module 222; Be used in advance mode with the corresponding pinyin character of at least two dual-tone multifrequency code combinations of dual-tone multifrequency sign indicating number; The some groups of dual-tone multifrequency code combinations that 16 dual-tone multifrequency sign indicating numbers are formed are decoded as several pinyin character respectively, obtain and store dual-tone multifrequency sign indicating number and pinyin character decoding table; When pinyin character decoder module 222 is received the pairing dual-tone multifrequency sign indicating number of the said audio-frequency information string that dual-tone multifrequency decoder module 221 decodes; Pinyin character decoder module 222 is used for dual-tone multifrequency sign indicating number and the pinyin character decoding table according to storage in advance; The dual-tone multifrequency sign indicating number string of receiving is decoded as the pinyin character string, and the pinyin character string that decodes is sent to pinyin character modular converter 223.
Pinyin character modular converter 223 is used for the corresponding relation according to phonetic and Chinese character, and the pinyin character string that pinyin character decoder module 222 is provided is decoded as the Chinese character string.
A kind of short message receiving and sending system that Figure 23 provides for the embodiment of the invention; Comprise the note dispensing device 231 and note receiving system 232 that connect through voice-frequency channel each other; Wherein, Note dispensing device 231 is used for according to the predictive encoding method, is audio-frequency information with note string encoding to be sent, and through the voice-frequency channel that has connected said audio-frequency information is sent to note receiving system 232; Note receiving system 232 is used for according to the predetermined decoding method, and the audio-frequency information that will receive through the voice-frequency channel that has connected is decoded as the note character string.
Said short message dispensing device 231 can repeat no more for any one note dispensing device that Figure 11 to Figure 17 provided here.
Said short message receiving system 232 can repeat no more for any one note dispensing device that Figure 18 to Figure 22 provided here.
Preferably; The short message receiving and sending system that passes through voice-frequency channel transmitting-receiving note that the embodiment of the invention provided is a navigation system; At this moment; One among said note dispensing device 231 and the note receiving system 232 is the navigation server of navigation system, and another is the mobile phone of navigation platform to be housed or to be mobile phone and the combination that the car machine of navigation platform is housed.
Shown in figure 24ly a kind ofly can comprise navigation server 241 and the mobile phone 242 that navigation platform is housed through the navigation system of voice-frequency channel transmitting-receiving note for what the embodiment of the invention provided.
When navigation server as note dispensing device 231; The mobile phone 242 that navigation platform is housed is during as note receiving system 232; Navigation server 241 at first converts the note character string of relevant destination locations information to be sent into audio-frequency information according to preset coding method, subsequently navigation server 241 through and the voice-frequency channel that has connected between the mobile phone 242 of navigation platform is housed this audio-frequency information is sent to the mobile phone 242 that navigation platform is housed; The mobile phone 242 that navigation platform is housed is decoded as the former note character string of relevant destination locations information according to the predetermined decoding method with this audio-frequency information that receives, and corresponding function that navigation platform in the mobile phone 242 of navigation platform can call self is housed subsequently to the user particular location of relevant destination in the note character string that decodes is provided.Otherwise; If being housed, the mobile phone 242 of navigation platform want navigation server 241 to send note; The mobile phone 242 that navigation platform promptly is housed is as note dispensing device 231 and navigation server 241 during as note receiving system 232; This system gets final product according to the note character string transmit operation that the explanation of Figure 23 is carried out between navigation server 241 and the mobile phone 242, repeats no more here.
The another kind that provides for the embodiment of the invention shown in Figure 25 can be through the navigation system of voice-frequency channel transmitting-receiving note, comprises navigation server 241, mobile phone 251 and the car machine 252 of navigation platform is housed.Wherein, When navigation server 241 as note dispensing device 231; The combination of mobile phone 251 and the car machine 252 that navigation platform is housed is during as note receiving system 232; Be similar to system shown in Figure 24; Navigation server 241 at first converts audio-frequency information into according to presetting the note character string of coding method with relevant destination locations information to be sent; Subsequently navigation server 241 through and mobile phone 251 between the voice-frequency channel that connected this audio-frequency information is sent to mobile phone 251, mobile phone 251 this audio-frequency information that will receive is transmitted to the car machine 252 that navigation platform is housed and decodes subsequently, and navigation platform in the car machine 252 of navigation platform can provide the destination that decodes according to particular location from corresponding function to the user is housed at last.Otherwise; If being housed, the car machine 252 of navigation platform want navigation server 241 to upload the note character string; Be navigation server 241 during as note receiving system 232, the car machine 252 that navigation platform then is housed converts the current note string encoding of navigation server 241 of giving to be sent into audio-frequency information according to predefined coding rule; And this audio-frequency information offered mobile phone 251, mobile phone 251 sends to navigation server 241 with this audio-frequency information through the voice-grade channel that has connected subsequently; Navigation server 241 is decoded as former note character string according to the predetermined decoding method with the audio-frequency information that receives, and carries out the corresponding operating of being asked in this note character string.
Preferably; Shown in figure 26 is that a kind of that the embodiment of the invention provided can be through the order programme of voice-frequency channel transmitting-receiving note; This system comprises song-requesting service device 261 and client requesting song platform 262; One among note dispensing device 231 and the note receiving system 232 is song-requesting service device 261, and another is a client requesting song platform 262.During practical implementation, the literal order of the relevant requesting song that song-requesting service device 261 is sent in response to client requesting song platform 262 earlier generates corresponding note to be sent, as comprises the note of information such as singer's tabulation or the tabulation of new song; Song-requesting service device 261 is to send to client requesting song platform 262 through the voice-frequency channel that has connected behind the audio-frequency information with note string encoding to be sent subsequently; After client requesting song platform 262 was decoded as the note that song-requesting service device 261 provides at first with the audio-frequency information of receiving, client requesting song platform 262 carried out the respective song play operation or corresponding information is offered the user according to this short message content.Otherwise,, then the corresponding function module is operated accordingly and is got final product, also repeat no more here according to explanation to Figure 23 if client requesting song platform 262 is wanted on song-requesting service device 261, to send short messages.
Obviously; The short message receiving and sending system that the embodiment of the invention provides is not limited to above-mentioned navigation system and order programme, and other any communication systems of the technical characterictic in the short message receiving and sending system provided by the invention that adopted also should be within the invention which is intended to be protected.
What be worth explanation is; Carry out in the process of short message receiving-transmitting in employing scheme provided by the invention; Note transmit leg and note recipient's encoding-decoding process need be accomplished in the shortest time as far as possible; Promptly need select the most effective coding and decoding scheme of reality with the further shortening coding and decoding time according to actual conditions; Make note transmit leg (or recipient's) the actual transmissions time sum of coding (or decoding) time and the pairing audio-frequency information of note character string to be sent less than predetermined overtime duration, to guarantee the normal transmitting-receiving of this note.
Note delivery plan provided by the invention (note transmission method and note dispensing device) is a plurality of frequencies that can pass through the voice-frequency channel transmission with note string encoding to be sent creatively; Make when the note channel breaks down; With Chinese character, English character, numeral, phonetic alphabet, punctuation mark etc. is that the note of content can normally be sent to the recipient through voice-frequency channel; The note reception programme (short message receiving method and note receiving system) that the recipient adopts the embodiment of the invention to provide can be decoded as the note character string that former transmit leg sends with the audio-frequency information that is received, send over through the voice-frequency channel that has connected according to the predetermined decoding method; Adopt scheme provided by the invention that due-in note can also normally be received and dispatched when the common short message channel-failures; Not only transmission speed is fast; And antijamming capability is strong, can be used in the plurality of communication systems, has very strong practicality.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.

Claims (31)

1. a note transmission method is characterized in that, comprising:
According to the predictive encoding method, be audio-frequency information with note string encoding to be sent;
Send said audio-frequency information through the voice-frequency channel that has connected.
2. a kind of note transmission method as claimed in claim 1 is characterized in that, and is said according to the predictive encoding method, is audio-frequency information with note string encoding to be sent, comprising:
Definite in advance N1 is individual can be through the high frequency frequency f of said voice-frequency channel transmission 1, f 2..., f N1, and the low frequency frequency f that N2 can be through said voice-frequency channel transmission ' 1, f ' 2..., f ' N2With a mode that frequency coding is a note character in a frequency in said N1 the high frequency frequency and said N2 the low frequency frequency; With said N1 high frequency frequency and said N2 low frequency frequency coding is N1 * N2 note character, obtains and store note character and high frequency, low frequency frequency coding table; Wherein, said N1, N2 are the positive integer more than or equal to 4;
According to said note character and high frequency, the low frequency frequency coding table of storage in advance, be audio-frequency information with each note character code to be sent in order.
3. a kind of note transmission method as claimed in claim 1 is characterized in that, and is said according to the predictive encoding method when said note character is Chinese character, is audio-frequency information with note string encoding to be sent, comprising:
Definite in advance N1 is individual can be through the high frequency frequency f of said voice-frequency channel transmission 1, f 2..., f N1, and the low frequency frequency f that N2 can be through said voice-frequency channel transmission ' 1, f ' 2..., f ' N2With a mode that frequency coding is a pinyin character in a frequency in said N1 the high frequency frequency and said N2 the low frequency frequency; With said N1 high frequency frequency and said N2 low frequency frequency coding is N1 * N2 pinyin character, obtains and store pinyin character and high frequency, low frequency frequency coding table; Wherein, said N1, N2 are the positive integer more than or equal to 4;
According to the corresponding relation of Chinese character and phonetic, convert each Chinese character to be sent into its corresponding pinyin character string;
Said pinyin character and high frequency, low frequency frequency coding table according to storage in advance are encoded to audio-frequency information respectively with each pinyin character in the pairing pinyin character string of each Chinese character to be sent in order.
4. a kind of note transmission method as claimed in claim 1 is characterized in that, and is said according to the predictive encoding method, is audio-frequency information with note string encoding to be sent, comprising:
Be encoded to the mode of a note character in advance at least with two dual-tone multifrequency sign indicating numbers in the dual-tone multifrequency sign indicating number, 16 dual-tone multifrequency sign indicating numbers are encoded to several note characters, obtain and store note character and dual-tone multifrequency sign indicating number coding schedule;
Said note character and dual-tone multifrequency sign indicating number coding schedule according to storage in advance are encoded to several dual-tone multifrequency sign indicating numbers respectively with each note character to be sent in order;
According to the double-tone multi-frequency coding method, in order pairing several dual-tone multifrequency sign indicating numbers of each note character to be sent are encoded to audio-frequency information respectively.
5. a kind of note transmission method as claimed in claim 1 is characterized in that, and is said according to the predictive encoding method when said note character is Chinese character, is audio-frequency information with note string encoding to be sent, comprising:
Be encoded to the mode of a pinyin character in advance at least with two dual-tone multifrequency sign indicating numbers in the dual-tone multifrequency sign indicating number, 16 dual-tone multifrequency sign indicating numbers are encoded to several pinyin character, obtain and store pinyin character and dual-tone multifrequency sign indicating number coding schedule;
According to the corresponding relation of Chinese character and phonetic, each Chinese character to be sent is converted into its corresponding pinyin character string;
Said pinyin character and dual-tone multifrequency sign indicating number coding schedule according to storage in advance are encoded to several dual-tone multifrequency sign indicating numbers respectively with each pinyin character in the pairing pinyin character string of each Chinese character to be sent in order;
According to the double-tone multi-frequency coding method, pairing several dual-tone multifrequency sign indicating numbers of each pinyin character in the pairing pinyin character string of each Chinese character to be sent are encoded to audio-frequency information in order respectively.
6. a kind of note transmission method as claimed in claim 5; It is characterized in that; Said according to the double-tone multi-frequency coding method; Pairing several dual-tone multifrequency sign indicating numbers of each pinyin character in the pairing pinyin character string of each Chinese character to be sent are encoded to respectively after the audio-frequency information in order, also comprise step:
Beginning at the pairing audio-frequency information of each pinyin character is provided with separator; Said separator is a frequency information predefined, that can send and be used to separate any two adjacent pairing audio-frequency informations of pinyin character through the said voice-frequency channel that has connected.
7. like each described a kind of note transmission method of claim 2 to 6; It is characterized in that; Said according to the predictive encoding method; With note string encoding to be sent is after the audio-frequency information, and also comprise step: beginning and end at the audio-frequency information that behind each note character code, finally obtains are provided with initial symbol and full stop; That said initial symbol and full stop are respectively is predefined, can send and be used to identify the frequency information that begins and finish of each note character through the said voice-frequency channel that has connected.
8. a short message receiving method is characterized in that, comprising:
The audio-frequency information that reception sends over through the voice-frequency channel that has connected;
According to the predetermined decoding method, the said audio-frequency information of receiving is decoded as the note character string.
9. a kind of short message receiving method as claimed in claim 8 is characterized in that, and is said according to the predetermined decoding method, and said audio-frequency information is decoded as the note character string, comprising:
Definite in advance N1 is individual can be through the high frequency frequency f of said voice-frequency channel transmission 1, f 2..., f N1, and the low frequency frequency f that N2 can be through said voice-frequency channel transmission ' 1, f ' 2..., f ' N2Mode with the corresponding note character of a combination of frequency in a frequency in said N1 the high frequency frequency and said N2 the low frequency frequency; Plant combination of frequency for N1 * N2 that said N1 high frequency frequency and said N2 low frequency frequency are formed and be decoded as N1 * N2 note character respectively, obtain and store high frequency, low frequency frequency and note character decoding table; Wherein, said N1, N2 are the positive integer more than or equal to 4;
According to said high frequency, low frequency frequency and the note character decoding table of storage in advance, a low frequency frequency and a high frequency frequency adjacent in the said audio-frequency information that will receive successively are decoded as a note character.
10. short message receiving method as claimed in claim 8 is characterized in that, and is said according to the predetermined decoding method, and said audio-frequency information is decoded as the note character string, comprising:
Definite in advance N1 is individual can be through the high frequency frequency f of said voice-frequency channel transmission 1, f 2..., f N1, and the low frequency frequency f that N2 can be through said voice-frequency channel transmission ' 1, f ' 2..., f ' N2Mode with the corresponding pinyin character of a combination of frequency in a frequency in said N1 the high frequency frequency and said N2 the low frequency frequency; Said N1 high frequency frequency and said N2 the N1 that the low frequency frequency is formed * N2 kind combination of frequency are decoded as N1 * N2 pinyin character respectively, obtain and store high frequency, low frequency frequency and pinyin character decoding table; Said N1, N2 are the positive integer more than or equal to 4;
Said high frequency, low frequency frequency and pinyin character decoding table based on storage in advance; A low frequency frequency and a high frequency frequency adjacent in the said audio-frequency information that will receive successively are decoded as a pinyin character, obtain the pairing pinyin character string of said audio-frequency information;
According to the corresponding relation of phonetic and Chinese character, convert the pairing pinyin character string of the said audio-frequency information that obtains in the last step into the Chinese character string.
11. short message receiving method as claimed in claim 8 is characterized in that, and is said according to the predetermined decoding method, and said audio-frequency information is decoded as the note character string, comprising:
In advance with the mode of the corresponding note character of at least two dual-tone multifrequency code combinations in the dual-tone multifrequency sign indicating number; The some groups of dual-tone multifrequency code combinations that 16 dual-tone multifrequency sign indicating number codings are formed are decoded as several note characters respectively, obtain and store dual-tone multifrequency sign indicating number and note character decoding table;
According to dual-tone multifrequency sign indicating number coding/decoding method, successively a low frequency frequency and a high frequency frequency adjacent in the audio-frequency information of receiving are decoded as a dual-tone multifrequency sign indicating number, obtain the pairing dual-tone multifrequency sign indicating number of said audio-frequency information string;
Said dual-tone multifrequency sign indicating number and note character decoding table based on storage in advance are decoded as the note character string with the dual-tone multifrequency sign indicating number string that obtains in the last step.
12. short message receiving method as claimed in claim 8 is characterized in that, and is said according to the predetermined decoding method, and said audio-frequency information is decoded as the note character string, comprising:
In advance with the mode of the corresponding pinyin character of at least two dual-tone multifrequency code combinations in the dual-tone multifrequency sign indicating number; The some groups of dual-tone multifrequency code combinations that 16 dual-tone multifrequency sign indicating number codings are formed are decoded as several pinyin character respectively, obtain and store dual-tone multifrequency sign indicating number and pinyin character decoding table;
According to dual-tone multifrequency sign indicating number coding/decoding method, successively a low frequency frequency and a high frequency frequency adjacent in the audio-frequency information of receiving are decoded as a dual-tone multifrequency sign indicating number, obtain the pairing dual-tone multifrequency sign indicating number of said audio-frequency information string;
Said dual-tone multifrequency sign indicating number and pinyin character decoding table based on storage in advance are decoded as the pinyin character string with the dual-tone multifrequency sign indicating number string that obtains in the last step;
According to the corresponding relation of phonetic and Chinese character, convert the pinyin character string that obtains in the last step into the Chinese character string.
13. a note dispensing device is characterized in that, comprises coding module and sending module;
Said coding module is used for according to the predictive encoding method, is audio-frequency information with note string encoding to be sent;
Said sending module is used for sending the audio-frequency information that said coding module coding obtains through the voice-frequency channel that has connected.
14. a kind of note dispensing device as claimed in claim 13 is characterized in that said coding module comprises note character code module, be used in advance confirming N1 can be through the high frequency frequency f of said voice-frequency channel transmission 1, f 2..., f N1, and the low frequency frequency f that N2 can be through said voice-frequency channel transmission ' 1, f ' 2..., f ' N2With a mode that frequency coding is a note character in a frequency in said N1 the high frequency frequency and said N2 the low frequency frequency; With said N1 high frequency frequency and said N2 low frequency frequency coding is N1 * N2 note character, obtains and store note character and high frequency, low frequency frequency coding table; Wherein, said N1, N2 are the positive integer more than or equal to 4; When said note character code module is received note character string to be sent; Said note character code module is used for according to said note character and the high frequency of storage in advance, low frequency frequency coding table, is audio-frequency information with each note character code to be sent in order.
15. a kind of note dispensing device as claimed in claim 13 is characterized in that, when said note character was Chinese character, said coding module comprised Chinese character modular converter and pinyin character coding module;
Said Chinese character modular converter; Be used for corresponding relation according to Chinese character and phonetic; Convert each Chinese character to be sent into its corresponding pinyin character string, and the pairing pinyin character string of each Chinese character to be sent is offered said pinyin character coding module;
Said pinyin character coding module, be used in advance confirming N1 can be through the high frequency frequency f of said voice-frequency channel transmission 1, f 2..., f N1, and the low frequency frequency f that N2 can be through said voice-frequency channel transmission ' 1, f ' 2..., f ' N2With a mode that frequency coding is a pinyin character in a frequency in said N1 the high frequency frequency and said N2 the low frequency frequency; With said N1 high frequency frequency and said N2 low frequency frequency coding is N1 * N2 pinyin character, obtains and store pinyin character and high frequency, low frequency frequency coding table; Wherein, said N1, N2 are the positive integer more than or equal to 4; When said pinyin character coding module is received the pairing pinyin character string of each Chinese character to be sent that said Chinese character modular converter provides; Said pinyin character coding module is used for according to said pinyin character and the high frequency of storage in advance, low frequency frequency coding table, and each pinyin character in the pairing pinyin character string of each Chinese character to be sent that in order said Chinese character modular converter is provided is encoded to audio-frequency information respectively.
16. a kind of note dispensing device as claimed in claim 13 is characterized in that said coding module comprises note character code module and double-tone multi-frequency coding module;
Said note character code module; Be used for being encoded to at least two dual-tone multifrequency sign indicating numbers of dual-tone multifrequency sign indicating number in advance the mode of a note character; 16 dual-tone multifrequency sign indicating numbers are encoded to several note characters, obtain and store note character and dual-tone multifrequency sign indicating number coding schedule; When said note character code module is received note character string to be sent; Said note character code module also is used for said note character and the dual-tone multifrequency sign indicating number coding schedule according to storage in advance; Be several dual-tone multifrequency sign indicating numbers with each note character code to be sent in order, and pairing several dual-tone multifrequency sign indicating numbers of each note character to be sent are sent to said double-tone multi-frequency coding module;
Said double-tone multi-frequency coding module is used for according to the double-tone multi-frequency coding method, and pairing several dual-tone multifrequency sign indicating numbers of each note character to be sent that said note character code module is provided are encoded to audio-frequency information in order.
17. a kind of note dispensing device as claimed in claim 13 is characterized in that, when said note character was Chinese character, said coding module comprised Chinese character modular converter, pinyin character coding module and double-tone multi-frequency coding module;
Said Chinese character modular converter; Be used for corresponding relation according to Chinese character and phonetic; Convert each Chinese character to be sent into its corresponding pinyin character string, and the pairing pinyin character string of each Chinese character is offered said pinyin character coding module;
Said pinyin character coding module; Be used for being encoded to at least two dual-tone multifrequency sign indicating numbers of dual-tone multifrequency sign indicating number in advance the mode of a pinyin character; 16 dual-tone multifrequency sign indicating numbers are encoded to several pinyin character, obtain and store pinyin character and dual-tone multifrequency sign indicating number coding schedule; When said pinyin character coding module is received the pairing pinyin character string of each Chinese character that said Chinese character modular converter provides; Said pinyin character coding module also is used for said pinyin character and the dual-tone multifrequency sign indicating number coding schedule based on storage in advance; Each pinyin character in the pairing pinyin character string of each Chinese character that will receive in order is encoded to several dual-tone multifrequency sign indicating numbers respectively, and pairing several dual-tone multifrequency sign indicating numbers of each pinyin character are sent to said double-tone multi-frequency coding module;
Said double-tone multi-frequency coding module is used for according to the dual-tone multifrequency code encoding method, and pairing several dual-tone multifrequency sign indicating numbers of each pinyin character that said pinyin character coding module is provided are encoded to audio-frequency information in order respectively.
18. a kind of note dispensing device as claimed in claim 17; It is characterized in that; Said note dispensing device comprises that also separator is provided with module, and the beginning of the pairing audio-frequency information of each pinyin character that is used for behind said double-tone multi-frequency coding module coding, obtaining is provided with separator; Said separator is a frequency information predefined, that can send and be used to separate any two adjacent pairing audio-frequency informations of pinyin character through the said voice-frequency channel that has connected.
19., it is characterized in that said note dispensing device comprises that also the start-stop symbol is provided with module like each described a kind of note dispensing device of claim 13 to 18;
Said coding module is used for to said start-stop symbol module being set provides the audio-frequency information that finally obtains behind each note character code;
Said start-stop symbol is provided with module; The beginning and the end of the said audio-frequency information that finally obtains behind each note character code that is used for providing at said coding module are provided with initial symbol and full stop, and will comprise that the audio-frequency information of said initial symbol and full stop sends to said sending module; That said initial symbol and full stop are respectively is predefined, can send and be used to identify the frequency information that begins and finish of each note character through the said voice-frequency channel that has connected;
Said sending module is used for sending said start-stop symbol through the voice-frequency channel that has connected the audio-frequency information that comprises said initial symbol and full stop that module provides is set.
20. a note receiving system is characterized in that, comprises receiver module and decoder module;
Said receiver module is used to receive the audio-frequency information that sends over through the voice-frequency channel that has connected, and said audio-frequency information is offered said decoder module;
Said decoder module is used for according to the predetermined decoding method, and the audio-frequency information that said receiver module is provided is decoded as the note character string.
21. a kind of note receiving system as claimed in claim 20 is characterized in that said decoder module comprises note character decoder module, be used in advance confirming N1 can be through the high frequency frequency f of said voice-frequency channel transmission 1, f 2..., f N1, and the low frequency frequency f that N2 can be through said voice-frequency channel transmission ' 1, f ' 2..., f ' N2Mode with the corresponding note character of a combination of frequency in a frequency in said N1 the high frequency frequency and said N2 the low frequency frequency; Said N1 high frequency frequency and said N2 the N1 that the low frequency frequency is formed * N2 kind combination of frequency are decoded as N1 * N2 note character respectively, obtain and store high frequency, low frequency frequency and note character decoding table; When said note character decoder module is received the audio-frequency information that said receiver module provides; Said note character decoder module is used for said high frequency, low frequency frequency and the note character decoding table according to storage in advance, successively a low frequency frequency and a high frequency frequency adjacent in the audio-frequency information of receiving is decoded as a note character; Wherein, said N1, N2 are the positive integer more than or equal to 4.
22. a kind of note receiving system as claimed in claim 20 is characterized in that said decoder module comprises pinyin character decoder module and pinyin character modular converter;
Said pinyin character decoder module, be used in advance confirming N1 can be through the high frequency frequency f of said voice-frequency channel transmission 1, f 2..., f N1, and the low frequency frequency f that N2 can be through said voice-frequency channel transmission ' 1, f ' 2..., f ' N2Mode with the corresponding pinyin character of a combination of frequency in a frequency in said N1 the high frequency frequency and said N2 the low frequency frequency; Said N1 high frequency frequency and said N2 the N1 that the low frequency frequency is formed * N2 kind combination of frequency are decoded as N1 * N2 pinyin character respectively, obtain and store high frequency, low frequency frequency and pinyin character decoding table; When said pinyin character decoder module is received the audio-frequency information that said receiver module provides; Said pinyin character decoder module is used for said high frequency, low frequency frequency and the pinyin character decoding table according to storage in advance; Successively a low frequency frequency and a high frequency frequency adjacent in the audio-frequency information of receiving are decoded as a pinyin character, obtain the pairing pinyin character string of said audio-frequency information and send it to said pinyin character modular converter; Wherein, said N1, N2 are the positive integer more than or equal to 4;
Said pinyin character modular converter is used for the corresponding relation according to phonetic and Chinese character, and the pinyin character string that said pinyin character decoder module is provided is decoded as the Chinese character string.
23. a kind of note receiving system as claimed in claim 20 is characterized in that, said decoder module comprises dual-tone multifrequency decoder module and note character decoder module;
Said dual-tone multifrequency decoder module; Be used for according to dual-tone multifrequency sign indicating number coding/decoding method; An adjacent low frequency frequency and high frequency frequency is decoded as a dual-tone multifrequency sign indicating number in the audio-frequency information that successively said receiver module is provided, and obtains said audio-frequency information pairing dual-tone multifrequency sign indicating number string and sends it to said note character decoder module;
Said note character decoder module; Be used in advance mode with the corresponding note character of at least two dual-tone multifrequency code combinations of dual-tone multifrequency sign indicating number; The some groups of dual-tone multifrequency code combinations that 16 dual-tone multifrequency sign indicating numbers are formed are decoded as several note characters respectively, obtain and store dual-tone multifrequency sign indicating number and note character decoding table; When said note character decoder module is received the pairing dual-tone multifrequency sign indicating number of the said audio-frequency information string that said dual-tone multifrequency decoder module decodes; Said note character decoder module is used for said dual-tone multifrequency sign indicating number and the note character decoding table according to storage in advance, and the dual-tone multifrequency sign indicating number string of receiving is decoded as the note character string.
24. a kind of note receiving system as claimed in claim 20 is characterized in that said decoder module comprises dual-tone multifrequency decoder module, pinyin character decoder module and pinyin character modular converter;
Said dual-tone multifrequency decoder module; Be used for according to dual-tone multifrequency sign indicating number coding/decoding method; An adjacent low frequency frequency and high frequency frequency is decoded as a dual-tone multifrequency sign indicating number in the audio-frequency information that successively said receiver module is provided, and obtains said audio-frequency information pairing dual-tone multifrequency sign indicating number string and sends it to said pinyin character decoder module;
Said pinyin character decoder module; Be used in advance mode with the corresponding pinyin character of at least two dual-tone multifrequency code combinations of dual-tone multifrequency sign indicating number; The some groups of dual-tone multifrequency code combinations that 16 dual-tone multifrequency sign indicating numbers are formed are decoded as several pinyin character respectively, obtain and store dual-tone multifrequency sign indicating number and pinyin character decoding table; When said pinyin character decoder module is received the pairing dual-tone multifrequency sign indicating number of the said audio-frequency information string that said dual-tone multifrequency decoder module decodes; Said pinyin character decoder module is used for said dual-tone multifrequency sign indicating number and the pinyin character decoding table based on storage in advance; The dual-tone multifrequency sign indicating number string of receiving is decoded as the pinyin character string, and the pinyin character string that decodes is sent to said pinyin character modular converter;
Said pinyin character modular converter is used for the corresponding relation according to phonetic and Chinese character, and the pinyin character string that said pinyin character decoder module is provided is decoded as the Chinese character string.
25. a short message receiving and sending system is characterized in that, comprises the note dispensing device and the note receiving system that connect through voice-frequency channel each other;
Said note dispensing device is used for according to the predictive encoding method, is audio-frequency information with note string encoding to be sent, and through the voice-frequency channel that has connected said audio-frequency information is sent to said note receiving system;
Said note receiving system is used for according to the predetermined decoding method, and the audio-frequency information that will receive through the voice-frequency channel that has connected is decoded as the note character string.
26. a kind of short message receiving and sending system as claimed in claim 25 is characterized in that, said note dispensing device is each described note dispensing device in the claim 13 to 18.
27. a kind of short message receiving and sending system as claimed in claim 25 is characterized in that, said note dispensing device is the described note dispensing device of claim 19.
28. a kind of short message receiving and sending system as claimed in claim 25 is characterized in that, said note receiving system is each described note receiving system in the claim 20 to 24.
29. a kind of short message receiving and sending system as claimed in claim 25; It is characterized in that; One among said note dispensing device and the note receiving system is navigation server, and another among said note dispensing device and the note receiving system is the mobile phone that navigation platform is housed.
30. a kind of short message receiving and sending system as claimed in claim 25; It is characterized in that; One among said note dispensing device and the note receiving system is navigation server, and another among said note dispensing device and the note receiving system is the car machine that navigation platform is housed;
Said short message receiving and sending system also comprises mobile phone; Be used for the audio-frequency information that said navigation server sends over through voice-frequency channel is transmitted to the said car machine that navigation platform is housed, or the audio-frequency information that the said car machine that navigation platform is housed is provided sends to said navigation server through voice-frequency channel.
31. a kind of short message receiving and sending system as claimed in claim 25; It is characterized in that; One among said note dispensing device and the note receiving system is the song-requesting service device, and another among said note dispensing device and the note receiving system is client requesting song platform.
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