CN103973375A - Information transmission method and equipment - Google Patents
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- CN103973375A CN103973375A CN201310043429.4A CN201310043429A CN103973375A CN 103973375 A CN103973375 A CN 103973375A CN 201310043429 A CN201310043429 A CN 201310043429A CN 103973375 A CN103973375 A CN 103973375A
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Abstract
The invention discloses an information transmission method and equipment and aims to provide a wireless transmission method different from the prior art. The transmission method includes: encoding to-be-transmitted information; performing D/A conversion to generate audio signals; converting the audio signals into sound waves for transmission through an audio playing device. The invention further provides a receiving method which includes: receiving the sound waves through an audio collecting device, and converting the sound waves into audio signals; performing A/D conversion and acquiring codes; analyzing the codes to obtain transmitted information. The brand new wireless transmission method has the advantages that the to-be-transmitted information is converted into the sound waves for transmission, information transmission between equipment is achieved, and short-distance wireless transmission is achieved while hardware equipment and any other costs are not increased.
Description
Technical field
The present invention relates to the transmission of information, relate in particular to wireless information transfer.
Background technology
Communication is to be sent to the other end from one end by order or state information channel, and is received by the other side.Comprise and transmit and receive.At present the mode of the communication between equipment comprise multiple, as wired by telephone wire or private cable carry out communication, the wireless technology such as mobile Internet, infrared, bluetooth, wifi of utilizing are carried out communication.
Navigator refers to possess the various functions that position is relevant, as the equipment of the functions such as navigation or location.Its operation principle is the position coordinates that navigator is determined ad-hoc location, and the position coordinates of recording in the electronic chart that it is stored with self mates, the accurate location of the navigation object of determining this navigator of lift-launch with this in electronic chart.Navigator can be car-mounted terminal, portable navigation device, mobile phone terminal etc.Navigation object can be vehicle, pedestrian etc.After user sets departure place and destination, the electronic map data that navigator can store according to self calculates guidance path, and according to calculate guidance path navigate for user.The equipment of the various location-based services such as the navigation that reception far-end (as server) provides, location, also can be referred to as navigator.Along with the development of technology, between navigator, can carry out communication and information sharing, at present between navigator, can set up wired connection and carry out communication, also can utilize wifi, bluetooth, the technology such as infrared to carry out wireless transmission.
As from the foregoing, no matter be that a kind of novel information transmission mode does not appear in communication between conventional equipment or navigator in prior art.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of novel transmission method and equipment thereof, realizes the communication between equipment.
The invention provides a kind of method for sending information, comprising:
The information of needs transmission is encoded;
Carry out D/A conversion, generate audio signal;
By audio playing apparatus, converting audio signal to sound wave sends.
The described D/A conversion generation audio signal of carrying out specifically comprises: coded modulation is generated to carrier signal to carrier wave, then carrier signal is carried out to D/A conversion generation audio signal.
The described information that needs transmission comprise following at least one: Word message, image information, positional information, audio-frequency information or video information.
Described sound wave is to listen ripple, and frequency is at the sound wave of 20HZ to 20000HZ.
The described information by needs transmission is encoded and is comprised following any situation:
By this locality, the information of needs transmission is encoded;
Maybe the information of needs transmission is uploaded onto the server, server is encoded and the coding of generation is back to this locality the described information of transmission that needs.
The storage that the described information that needs transmission can also be uploaded onto the server of described method, this storage information corresponding network address on server is encoded, carry out obtaining audio signal after D/A conversion, by audio playing apparatus, convert audio signal to sound wave and send.
The invention provides a kind of message receiving method, comprising:
By audio collecting device, receive sound wave and convert audio signal to;
Carry out A/D conversion and obtain coding;
Described coding is resolved and obtained transmission information.
Describedly audio signal is carried out to A/D conversion and obtains coding specifically comprising: described audio signal is carried out to A/D conversion and obtain carrier signal, then carrier signal demodulation is obtained to coding.
Described transmission information comprise following at least one: Word message, image information, positional information, audio-frequency information or video information.
Described sound wave is to listen ripple, and frequency is at the sound wave of 20HZ to 20000HZ.
When described code parsing is obtained be network address time, by this network address of access, obtain transmission information.
The present invention also provides a kind of transmitting apparatus, comprising:
Coding unit, for encoding the information of needs transmission;
D/A converting unit, for carrying out D/A conversion, generates audio signal;
Audio playing apparatus, converts sound wave to for the audio signal that D/A converting unit is obtained and sends.
The present invention also provides a kind of receiving equipment, comprising:
Audio collecting device, for receiving sound wave and converting audio signal to;
A/D converting unit, obtains coding for carrying out A/D conversion;
Decoding unit, for resolving and obtain transmission information coding.
The present invention also provides a kind of information transmission system, comprises transmitting apparatus and receiving equipment,
Described transmitting apparatus comprises:
Coding unit, for encoding the information of needs transmission;
D/A converting unit, for carrying out D/A conversion, generates audio signal;
Audio playing apparatus, converts sound wave to for the audio signal that D/A converting unit is obtained and sends.
Described receiving equipment comprises:
Audio collecting device, for receiving sound wave and converting audio signal to;
A/D converting unit, obtains coding for carrying out A/D conversion;
Decoding unit, for resolving and obtain transmission information coding.
The present invention is transmitted by converting the information of needs transmission to sound wave, realized communication between equipment, this is a kind of brand-new wireless transmission method, has obtained the beneficial effect of realizing short range wireless transmission in the situation that not increasing hardware device and any other cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the method flow diagram of a kind of information transferring method of providing of the embodiment of the present invention one;
Fig. 2 is the schematic diagram of a kind of transmitting apparatus of providing of the embodiment of the present invention two;
Fig. 3 is the schematic diagram of a kind of receiving equipment of providing of the embodiment of the present invention three;
Fig. 4 is the schematic diagram of a kind of information transmission system of providing of the embodiment of the present invention four.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on embodiments of the invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to protection scope of the present invention.
Embodiment mono-
The embodiment of the present invention provides a kind of information transferring method, and method flow as shown in Figure 1, comprising:
101. transmitting apparatus are encoded the information of needs transmission;
102. carry out D/A conversion obtains audio signal;
103. convert audio signal to sound wave by audio playing apparatus sends;
104. receiving equipments are received sound wave and are converted to audio signal by audio collecting device;
105. carry out A/D conversion and obtain coding;
106. pairs of described codings are resolved and are obtained transmission information.
Described transmitting apparatus and receiving equipment, can be any equipment that can carry out communication, comprising: computer, mobile phone, navigator, PDA, GPS equipment etc.Described information comprises: Word message, image information, positional information, audio-frequency information, video information etc.Described sound wave comprises: infrasound, can listen ripple, ultrasonic wave or hypersonic sound.Sound wave is by frequency categorization, and frequency is called infrasound lower than the sound wave of 20Hz; The sound wave of frequency 20Hz～20kHz is called can listen ripple; The sound wave of frequency 20kHz～1GHz is called ultrasonic wave; The sound wave that frequency is greater than 1GHz is called hypersonic sound or microwave ultrasound.The embodiment of the present invention preferably can be listened ripple, and frequency of sound wave is within the scope of 20Hz～20kHz.Described audio playing apparatus comprises loud speaker etc., and described audio collecting device comprises microphone etc.Described receiving equipment is near at least one equipment transmitting apparatus, the sound wave that transmitting apparatus sends, and near receiving equipment all can receive.At present General Requirements receiving equipment is apart from 5 meters of transmitting apparatus, but along with the development of WeiLai Technology, this is increasing apart from meeting, and this invention does not limit concrete distance range.
Described step 102 specifically comprises: the coding of acquisition is directly carried out to D/A conversion and obtain sound wave or coded modulation is generated to carrier signal to carrier wave, again carrier signal is carried out to D/A conversion and generate audio signal, modulation can utilize the technology such as amplitude modulation, frequency modulation or phase modulation.Described step 105 specifically comprises: audio signal is carried out to the direct acquisition coding of A/D conversion or described audio signal is carried out to A/D conversion obtaining carrier signal, then carrier signal demodulation acquisition is encoded.
The storage that also information of needs transmission can be uploaded onto the server of above-mentioned information transferring method, this storage information corresponding network address on server is encoded, carry out obtaining audio signal after D/A conversion, by audio playing apparatus, converting audio signal to sound wave sends, receiving equipment is received sound wave and is converted to audio signal by audio collecting device, carries out A/D conversion and obtains coding; Described coding is resolved to the information that obtains actual transmissions.Then can, by receiving " access " instruction (as touched the operation of clicking network address) of user's input, thereby access this network address, obtain the transmission information needing.The applicable excessive situation (because this situation can cause communication to postpone) of amount of information that needs transmission of this scheme optimization.
The embodiment of the present invention provides with next preferred embodiment and illustrates the method:
Mobile phone is encoded the information of needs transmission, and the described information of transmission that needs comprises: Word message, image information, positional information, audio or video information.Mobile phone can the local information to needs transmission be encoded, and also the information of needs transmission can be uploaded onto the server, and server is encoded to the information of needs transmission, and the coding of acquisition is issued to mobile phone.The preferred binary coding of coding of described acquisition.
Mobile phone carries out D/A conversion and obtains audio signal.Specifically comprise: the coding of acquisition is directly carried out to D/A conversion and obtain sound wave or coded modulation is generated to carrier signal to carrier wave, then carrier signal is carried out to D/A conversion generation audio signal, modulation can utilize the technology such as amplitude modulation, frequency modulation or phase modulation.
Mobile phone converts audio signal to sound wave by loud speaker and sets out and send.
Near in-vehicle navigation apparatus mobile phone or PND (portable navigation device) receive the sound wave that mobile phone sends.
In-vehicle navigation apparatus or PND convert the sound wave of reception to audio signal,
Carry out A/D conversion and obtain coding, specifically comprise: described audio signal is carried out to A/D conversion and directly obtain coding or described audio signal is carried out to A/D conversion and obtain carrier signal, then carrier signal demodulation is obtained to coding.
By code parsing is obtained to transmission information, display text when transmission information is word.When transmission information is image, show image.When transmission information is positional information, can show the position encoded of this position, also can on electronic chart, show the position of this position, the associated description that can also show this position, in-vehicle navigation apparatus or PND utilize the positional information transmitting to carry out the operation of correlation navigation function, as this position is set to destination, carries out path planning navigation, or browse this position electronic chart around etc.When transmission information is audio or video information, " play instruction " (as clicked the file icon of transmission information by touch) that can receive user's input plays audio or video.When transmission information is network address, by this network address of access, obtain transmission information.
Above-mentioned preferred embodiment is that mobile phone sends the situation of transmission information to in-vehicle navigation apparatus or PND, equally, in-vehicle navigation apparatus or PND also can send transmission information to mobile phone, principle and method step are identical with above-mentioned preferred embodiment, just send main body and receive main body and change, do not repeat them here.Above-mentioned preferred embodiment can be also the communication between mobile phone, and principle and method step are identical with above-mentioned preferred embodiment, and just main body is different, at this, also repeats no more.
Embodiment bis-
The embodiment of the present invention provides a kind of transmitting apparatus 201, as shown in Figure 2, comprising:
Coding unit 202, for encoding the information of needs transmission;
D/A converting unit 203, obtains audio signal for carrying out D/A conversion;
Audio playing apparatus 204, converts sound wave to for the audio signal that D/A converting unit 203 is obtained and sends.
Described transmitting apparatus 201 also comprises: modulating unit 205, for the coded modulation that coding unit 202 is obtained, to carrier wave, obtain carrier signal, D/A converting unit 203 is directly carried out D/A conversion acquisition audio signal for the coding that the carrier signal of modulating unit 205 acquisitions is carried out to D/A conversion acquisition audio signal or coding unit 202 is obtained.
Described transmitting apparatus 201 can be any equipment that can carry out communication, comprising: computer, mobile phone, navigator, PDA, GPS equipment etc.Described information comprises: Word message, image information, positional information, audio-frequency information or video information etc.Described audio playing apparatus 204 comprises loud speaker etc.Described coding unit 202 can be encoded to the information of needs transmission in this locality, also the information of needs transmission can be uploaded onto the server, and server carries out modulating-coding to the information of needs transmission, and the coding of acquisition is issued to coding unit 202.Described coding unit 202 also can be uploaded to a server stores by the information of needs transmission, and this storage information corresponding network address on server is encoded.The preferred binary coding of coding of described acquisition.Described sound wave comprises: infrasound, can listen ripple, ultrasonic wave or hypersonic sound.Sound wave is by frequency categorization, and frequency is called infrasound lower than the sound wave of 20Hz; The sound wave of frequency 20Hz～20kHz is called can listen ripple; The sound wave of frequency 20kHz～1GHz is called ultrasonic wave; The sound wave that frequency is greater than 1GHz is called hypersonic sound or microwave ultrasound.The embodiment of the present invention preferably can be listened ripple, and frequency of sound wave is within the scope of 20Hz～20kHz.Described modulation can be undertaken by technology such as amplitude modulation, frequency modulation, phase modulation.
Embodiment tri-
The embodiment of the present invention provides a kind of receiving equipment 301, as shown in Figure 3, comprising:
Audio collecting device 302, for receiving sound wave and converting audio signal to;
A/D converting unit 303, obtains coding for carrying out A/D conversion;
Decoding unit 304, for resolving and obtain transmission information coding.
Described receiving equipment 301 can also comprise:
Demodulating unit 3010, described A/D converting unit 303 directly carries out A/D conversion acquisition coding or the audio signal of audio collecting device 302 acquisitions is carried out to A/D conversion obtaining carrier signal for the audio signal that audio collecting device 302 is obtained, then carries out demodulation acquisition coding by 3010 pairs of carrier signals of demodulating unit.
Display unit 305, for display text when transmission information is word; When transmission information is image, show image; When transmission information is positional information, show the position encoded of this position.
Electronic chart memory cell 306, for storing electronic map.When transmission information is positional information, display unit shows the electronic chart of electronic chart cell stores and shows the position of this position.
Navigation correlation function performance element 307, for utilizing the positional information transmitting to carry out the operation of correlation navigation function, as this position is set to destination, carries out path planning navigation; Or browse this position electronic chart around etc.
Audio frequency and/or video playback unit 308, when being audio or video information when transmission information, can play audio or video by receiving " play instruction " (as clicked the file icon of transmission information by touch) of user's input.
Network address addressed location 309, when when actual transmissions information being the network address at the transmission information place that needs, by receiving " access instruction " (operation of webpage clicking network address) accessed web page of user's input, thereby obtains the transmission information needing.
Described sound wave comprises: infrasound, can listen ripple, ultrasonic wave or hypersonic sound.Sound wave is by frequency categorization, and frequency is called infrasound lower than the sound wave of 20Hz; The sound wave of frequency 20Hz～20kHz is called can listen ripple; The sound wave of frequency 20kHz～1GHz is called ultrasonic wave; The sound wave that frequency is greater than 1GHz is called hypersonic sound or microwave ultrasound.The embodiment of the present invention preferably can be listened ripple, and frequency of sound wave is within the scope of 20Hz～20kHz.
Embodiment tetra-
The embodiment of the present invention provides a kind of system 401, as shown in Figure 4, comprises transmitting apparatus 201 and receiving equipment 301,
Described transmitting apparatus 201 comprises:
Coding unit 202, for encoding the information of needs transmission;
D/A converting unit 203, obtains audio signal for carrying out D/A conversion;
Audio playing apparatus 204, converts sound wave to for the audio signal that D/A converting unit 203 is obtained and sends.
Described transmitting apparatus 201 also comprises: modulating unit 205, for the coded modulation that coding unit 202 is obtained, to carrier wave, obtain carrier signal, D/A converting unit 203 is directly carried out D/A conversion acquisition audio signal for the coding that the carrier signal of modulating unit 205 acquisitions is carried out to D/A conversion acquisition audio signal or coding unit 202 is obtained.
Described transmitting apparatus 201 can be any equipment that can carry out communication, comprising: computer, mobile phone, navigator, PDA, GPS equipment etc.Described information comprises: Word message, image information, positional information, audio-frequency information or video information etc.Described audio playing apparatus 204 comprises loud speaker etc.Described coding unit 202 can be encoded to the information of needs transmission in this locality, also the information of needs transmission can be uploaded onto the server, and server carries out modulating-coding to the information of needs transmission, and the coding of acquisition is issued to coding unit 202.Described coding unit 202 also can be uploaded to a server stores by the information of needs transmission, and this storage information corresponding network address on server is encoded.The preferred binary coding of coding of described acquisition.
Described receiving equipment 301 comprises:
Audio collecting device 302, for receiving sound wave and converting audio signal to;
A/D converting unit 303, obtains coding for carrying out A/D conversion;
Decoding unit 304, for resolving and obtain transmission information coding.
Described receiving equipment 301 can also comprise:
Demodulating unit 3010, described A/D converting unit 303 directly carries out A/D conversion acquisition coding or the audio signal of audio collecting device 302 acquisitions is carried out to A/D conversion obtaining carrier signal for the audio signal that audio collecting device 302 is obtained, then carries out demodulation acquisition coding by 3010 pairs of carrier signals of demodulating unit.
Display unit 305, for display text when transmission information is word; When transmission information is image, show image; When transmission information is positional information, show the position encoded of this position.
Electronic chart memory cell 306, for storing electronic map.When transmission information is positional information, display unit shows the electronic chart of electronic chart cell stores and shows the position of this position.
Navigation correlation function performance element 307, for utilizing the positional information transmitting to carry out the operation of correlation navigation function, as this position is set to destination, carries out path planning navigation; Or browse this position electronic chart around etc.
Audio frequency and/or video playback unit 308, when being audio or video information when transmission information, can play audio or video by receiving " play instruction " (as clicked the file icon of transmission information by touch) of user's input.
Network address addressed location 309, when when actual transmissions information being the network address at the transmission information place that needs, by receiving " access instruction " (operation of webpage clicking network address) accessed web page of user's input, thereby obtains the transmission information needing.
Described sound wave comprises: infrasound, can listen ripple, ultrasonic wave or hypersonic sound.Sound wave is by frequency categorization, and frequency is called infrasound lower than the sound wave of 20Hz; The sound wave of frequency 20Hz～20kHz is called can listen ripple; The sound wave of frequency 20kHz～1GHz is called ultrasonic wave; The sound wave that frequency is greater than 1GHz is called hypersonic sound or microwave ultrasound.The embodiment of the present invention preferably can be listened ripple, and frequency of sound wave is within the scope of 20Hz～20kHz.Described modulation can be undertaken by technology such as amplitude modulation, frequency modulation, phase modulation.
The above; be only the present invention's embodiment preferably, but protection scope of the present invention is not limited to this, is anyly familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (14)
1. a method for sending information, is characterized in that, comprising:
The information of needs transmission is encoded;
Carry out D/A conversion, generate audio signal;
By audio playing apparatus, converting audio signal to sound wave sends.
2. the method for claim 1, is characterized in that, described in carry out D/A conversion and generate audio signal and specifically comprise: coded modulation is generated to carrier signal to carrier wave, then carrier signal is carried out to D/A conversion generates audio signal.
3. the method for claim 1, is characterized in that, the described information that needs transmission comprise following at least one: Word message, image information, positional information, audio-frequency information or video information.
4. the method for claim 1, is characterized in that, described sound wave is to listen ripple, and frequency is at the sound wave of 20HZ to 20000HZ.
5. the method for claim 1, is characterized in that, the described information by needs transmission is encoded and comprised following any situation:
By this locality, the information of needs transmission is encoded;
Maybe the information of needs transmission is uploaded onto the server, server is encoded and the coding of generation is back to this locality the described information of transmission that needs.
6. the method for claim 1, it is characterized in that, described method specifically comprises: by the storage that uploads onto the server of the information of described needs transmission, this storage information corresponding network address on server is encoded, carry out obtaining audio signal after D/A conversion, by audio playing apparatus, convert audio signal to sound wave and send.
7. a message receiving method, is characterized in that, comprising:
By audio collecting device, receive sound wave and convert audio signal to;
To carry out A/D conversion and obtain coding;
Described coding is resolved and obtained transmission information.
8. method as claimed in claim 7, is characterized in that, describedly audio signal is carried out to A/D conversion and obtain coding specifically comprising: described audio signal is carried out to A/D conversion and obtain carrier signal, then carrier signal demodulation is obtained to coding.
9. method as claimed in claim 7, is characterized in that, described transmission information comprise following at least one: Word message, image information, positional information, audio-frequency information or video information.
10. method as claimed in claim 7, is characterized in that, described sound wave is to listen ripple, and frequency is at the sound wave of 20HZ to 20000HZ.
11. methods as claimed in claim 7, is characterized in that, when described code parsing is obtained be network address time, by this network address of access, obtain transmission information.
12. 1 kinds of transmitting apparatus, is characterized in that, comprising:
Coding unit, for encoding the information of needs transmission;
D/A converting unit, for carrying out D/A conversion, generates audio signal;
Audio playing apparatus, converts sound wave to for the audio signal that D/A converting unit is obtained and sends.
13. 1 kinds of receiving equipments, is characterized in that, comprising:
Audio collecting device, for receiving sound wave and converting audio signal to;
A/D converting unit, obtains coding for carrying out A/D conversion;
Decoding unit, for resolving and obtain transmission information coding.
14. 1 kinds of information transmission systems, is characterized in that, comprise transmitting apparatus and receiving equipment,
Described transmitting apparatus comprises:
Coding unit, for encoding the information of needs transmission;
D/A converting unit, for carrying out D/A conversion, generates audio signal;
Audio playing apparatus, converts sound wave to for the audio signal that D/A converting unit is obtained and sends.
Described receiving equipment comprises:
Audio collecting device, for receiving sound wave and converting audio signal to;
A/D converting unit, obtains coding for carrying out A/D conversion;
Decoding unit, for resolving and obtain transmission information coding.
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| CN201310043429.4A CN103973375A (en) | 2013-02-04 | 2013-02-04 | Information transmission method and equipment |
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| CN201310043429.4A CN103973375A (en) | 2013-02-04 | 2013-02-04 | Information transmission method and equipment |
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