CN104660348A - Method, device and mobile terminal for sending data, and sound wave communication system - Google Patents
Method, device and mobile terminal for sending data, and sound wave communication system Download PDFInfo
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- CN104660348A CN104660348A CN201310603290.4A CN201310603290A CN104660348A CN 104660348 A CN104660348 A CN 104660348A CN 201310603290 A CN201310603290 A CN 201310603290A CN 104660348 A CN104660348 A CN 104660348A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
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Abstract
The invention belongs to the technical field of communication, and provides a method, a device and a mobile terminal for sending data, and a sound wave communication system. The method comprises the following steps: a first terminal device performs encoding, modulating and frequency mixing on the data to be sent according to the received operating instruction for sending the data, so as to generate a first frequency mixing electrical signal; the first terminal device converts the first frequency mixing electric signal into a sound wave signal, and sends the sound wave signal to a second terminal device through a pre-existing sound wave sending module; a second terminal device converts the sound wave signal into a second frequency mixing electric signal through an existing sound wave receiving module, and performs frequency division, demodulation and decoding on the second frequency mixing electric signal, so as to obtain the data sent by the first terminal device. According to the method, the device and the mobile terminal as well as the sound wave communication system disclosed by the invention, an extra communication module is not required to be added to the first terminal device, but the sound wave sending module of the first mobile terminal is directly used for data transmission, so that the cost can be reduced, and the device can be more convenient to use.
Description
Technical field
The invention belongs to communication technical field, particularly relate to a kind of method, device, mobile terminal and the acoustic communication system that send data.
Background technology
Along with the development of computer technology and integrated circuit technique, advance the fast development of mobile Internet and mobile terminal.At present, mobile terminal has possessed powerful handling property, and this makes mobile terminal more and more be dissolved into our life in more areas, improves quality of life and the efficiency of the common people.
Because radio communication is without the need to physical connection, be therefore widely used in short-distance movement terminal communication.The short-distance wireless communication mode that mobile terminal is conventional mainly contains WLAN (wireless local area network), bluetooth and infrared etc.But these short-distance wireless communication modes all need to add corresponding communication function module in the terminal, not only add product cost, and also may introduce other consumer cost in use.
Summary of the invention
Embodiments provide a kind of method, device, mobile terminal and the acoustic communication system that send data, the short-distance wireless communication mode that being intended to solve prior art provides not only can increase product cost, and also may introduce the problem of other consumer cost in use.
On the one hand, provide a kind of method sending data, described method comprises:
First terminal equipment receives the operational order of the transmission data of input;
First terminal equipment is encoded to the data that will send according to described operational order, modulate, mixing, generates the first mixing signal of telecommunication;
The described first mixing signal of telecommunication is converted to acoustic signals and is sent to the second terminal equipment by first terminal equipment, the described acoustic signals received is converted to the second mixing signal of telecommunication by the second terminal equipment, and frequency division, demodulation, decoding are carried out to the described second mixing signal of telecommunication, obtain the data that first terminal equipment sends.
Further, the described first mixing signal of telecommunication is converted to acoustic signals and is sent to the second terminal equipment by self existing sound wave sending module by described first terminal equipment, described sound wave sending module comprises at least two electroacoustic transducers, and the sound field direction of described at least two electroacoustic transducer sounding is different.
Further, at least two electroacoustic transducers described in described first terminal equipment controls, convert acoustic signals successively to at least two electroacoustic transducers described in making and are sent to the second terminal equipment respectively by the described first mixing signal of telecommunication.
Further, first terminal equipment adopts the carrier wave of two frequencies to modulate the data after coding, obtains the described first mixing signal of telecommunication after carrying out mixing to the two-way modulation signal obtained after modulation.
On the other hand, provide a kind of device sending data, described device comprises:
Operational order receiver module, for receiving the operational order of the transmission data of input;
Mixing signal of telecommunication generation module, for encoding to the data that will send according to described operational order, modulating, mixing, generates the first mixing signal of telecommunication;
Sound wave sending module, for the described first mixing signal of telecommunication is converted to acoustic signals and is sent to the second terminal equipment, the described acoustic signals received is converted to the second mixing signal of telecommunication by the second terminal equipment, and frequency division, demodulation, decoding are carried out to the described second mixing signal of telecommunication, obtain the data that first terminal equipment sends;
Acoustic receiver module, for receiving the acoustic signals that described second terminal equipment sends, and converts described acoustic signals to the mixing signal of telecommunication;
Electronic signal processing module, for carrying out frequency division, demodulation, decoding to the described mixing signal of telecommunication, obtains the data that described second terminal equipment sends.
Further, described sound wave sending module comprises at least two electroacoustic transducers, and the sound field direction of described at least two electroacoustic transducer sounding is different.
Further, described device also comprises:
Control module, at least two electroacoustic transducers described in controlling, converts acoustic signals successively to at least two electroacoustic transducers described in making and is sent to the second terminal equipment respectively by the described first mixing signal of telecommunication.
Further, described mixing signal of telecommunication generation module adopts the carrier wave of two frequencies to modulate the data after coding, obtains the described first mixing signal of telecommunication after carrying out mixing to the two-way modulation signal obtained after modulation.
Again on the one hand, provide a kind of mobile terminal, described mobile terminal comprises the device sending data as above.
Another aspect, provides a kind of acoustic communication system, and described acoustic communication system comprises the device sending data as above, and also comprise the device receiving data, the device of described reception data comprises:
Acoustic receiver module, the acoustic signals that the device for receiving described transmission data sends, and convert described acoustic signals to the second mixing signal of telecommunication;
Electronic signal processing module, for carrying out frequency division, demodulation, decoding to the described second mixing signal of telecommunication, the data that the device obtaining described transmission data sends.
In the embodiment of the present invention, first terminal equipment by needing the data sent to carry out encoding, modulate, after mixing, then convert the first mixing signal of telecommunication obtained after mixing to acoustic signals by self existing sound wave sending module and be sent to the second terminal equipment.First terminal equipment self does not need to add extra communication module, is directly carried out the transmission of data by the sound wave sending module of first terminal equipment self, not only can reduce costs, use more convenient yet.
Accompanying drawing explanation
Fig. 1 is the realization flow figure of the method for the transmission data that the embodiment of the present invention one provides;
Fig. 2 is structure and the signal process of transmitting schematic diagram between the two of the first mobile terminal of providing of the embodiment of the present invention one and the second mobile terminal;
Fig. 3 is the structured flowchart of the device of the transmission data that the embodiment of the present invention two provides;
Fig. 4 is the structured flowchart of the acoustic communication system that the embodiment of the present invention three provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In embodiments of the present invention, first terminal equipment by needing the data sent to carry out encoding, modulate, after mixing, then convert the first mixing signal of telecommunication obtained after mixing to acoustic signals by self existing sound wave sending module and be sent to the second terminal equipment.
Below in conjunction with specific embodiment, realization of the present invention is described in detail:
Embodiment one
Fig. 1 shows the realization flow of the method for the transmission data that the embodiment of the present invention one provides, and details are as follows:
In step S101, first terminal equipment receives the operational order of the transmission data of input.
In the embodiment of the present invention, the user of first terminal equipment can by the operation interface of first terminal equipment, and input sends the operational order of data.After first terminal equipment receives the operational order of these transmission data, step S102 and follow-up step thereof can be performed.
In step s 102, first terminal equipment is encoded to the data that will send according to described operational order, modulate, mixing, generates the first mixing signal of telecommunication.
In the embodiment of the present invention, after first terminal equipment receives the operational order of the transmission data of user's input, first the data that will send first are encoded, default multiple carrier waves are adopted to modulate the data after coding more respectively, finally carrying out mixing by modulating the multiple modulation signals obtained, generating the mixing signal of telecommunication.
Wherein, the data sent can be after first terminal equipment receives the operational order of the transmission data of user's input, the data of first terminal equipment are inputed to again by user, also can be user input send the operational order of data before, pre-enter and be stored in the data of assigned address among first terminal equipment.
In step s 103, the described first mixing signal of telecommunication is converted to acoustic signals and is sent to the second terminal equipment by first terminal equipment, the described acoustic signals received is converted to the second mixing signal of telecommunication by the second terminal equipment, and frequency division, demodulation, decoding are carried out to the described second mixing signal of telecommunication, obtain the data that first terminal equipment sends.
In the embodiment of the present invention, first terminal equipment can be converted the first mixing signal of telecommunication to acoustic signals by self existing sound wave sending module and be sent to the second terminal equipment.Wherein, sound wave sending module is mounted in the electroacoustic transducer on first terminal equipment, and in the present embodiment, this electroacoustic transducer is loudspeaker.
As a preferred embodiment of the present invention, the sound wave sending module of first terminal equipment comprises at least two electroacoustic transducers, the sound field direction of described at least two electroacoustic transducer sounding is different, solves directionality problem when to carry out acoustic communication between terminal equipment.
In addition, at least two electroacoustic transducers there will be the interference between signal when sending acoustic signals, in order to head it off, at least two electroacoustic transducers are made to adopt the mode of time-sharing send acoustic signals to work, i.e. at least two electroacoustic transducers described in first terminal equipment controls, convert acoustic signals successively to at least two electroacoustic transducers described in making and are sent to the second terminal equipment respectively by the described first mixing signal of telecommunication.Be embodied as: first terminal equipment controls a wherein road loudspeaker job, acoustic signals is become to send the first mixing transform electrical signals obtained after coding, modulation, mixing, after these road loudspeaker send acoustic signals, first terminal equipment controls other road loudspeaker again and sends same data, the like.
In addition, as another preferred embodiment of the present invention, because the frequency range of sound wave is at 20Hz-20KHz, and low frequency signal is more subject to ambient noise interference, therefore when carrying out signal madulation, carrier frequency is elected as tens KHz more suitable, first terminal equipment can be made to adopt the carrier wave of two frequencies to modulate the data after coding, after mixing is carried out to the two-way modulation signal obtained after modulation, obtain the mixing signal of telecommunication.But the acoustic receiver module receiving acoustic signals due to terminal equipment generally uses microphone as acoustoelectric sensor, and microphone is due to the inconsistent problem of Frequency Response, easily cause section terminating equipment receptivity when signal frequency is tens KHz poor, the carrier wave that therefore embodiment of the present invention have employed carrier wave f0 (4KHz) and carrier wave f1 (15KHz) two frequencies is respectively modulated the data obtained after coding.
Below give one example the concrete implementation of the illustratively embodiment of the present invention, wherein, in the example shown, first terminal equipment and the second terminal equipment are respectively the first mobile terminal 11 and the second mobile terminal 12.The structure of the first mobile terminal 11 and the second mobile terminal 12 and signal process of transmitting schematic diagram are between the two as shown in Figure 2, the sound wave sending module of the first mobile terminal 11 comprises front loudspeaker 1131, the acoustic receiver module of back side loudspeaker 1132, first mobile terminal 11 comprises microphone 114; The sound wave sending module of the second mobile terminal 12 comprises front loudspeaker 1231, the acoustic receiver module of back side loudspeaker 1232, second mobile terminal 12 comprises microphone 124.
Wherein, the flow process of mobile terminal transmission data is:
After step S11, the first mobile terminal receive the operational order of the transmission data of user's input, the data that the data input user or the first mobile terminal have prestored are encoded, then respectively through carrier wave f0 (4KHz) and carrier wave f1 (15KHz) modulation.
The modulation signal generated through carrier wave f0 (4KHz) and carrier wave f1 (15KHz) modulation is carried out Frequency mixing processing by the step S12: the first mobile terminal, the first mixing signal of telecommunication generated first is sent by front loudspeaker 1131, then is sent by back side loudspeaker 1132.
Wherein, the flow process of mobile terminal reception data is:
The the first mixing transform electrical signals received is the signal of telecommunication by microphone 124 by the step S21: the second mobile terminal 12, again frequency division, demodulation code are carried out to this signal of telecommunication, until obtain correct data, these data are the data that the first mobile terminal 11 is sent to the second mobile terminal 12.
Step S22: if be one-way data transfer between the first mobile terminal 11 and the second mobile terminal 12, then the second mobile terminal 12 is by the correct data obtained of decoding, and is shown by human-computer interaction interface.
If be bidirectional data transfers between the first mobile terminal 11 and the second mobile terminal 12, after then the second mobile terminal 12 decoding obtains correct data, the method that response data sends data according to the first mobile terminal 11 is sent to the first mobile terminal 11, sends front first mobile terminal 11 and switch to receiving mode by sending mode.The acoustic signals that the method process that first mobile terminal 11 receives data according to the second mobile terminal 12 receives, is shown result by human-computer interaction interface.
The present embodiment, first terminal equipment by needing the data sent to carry out encoding, modulate, after mixing, then convert the first mixing signal of telecommunication obtained after mixing to acoustic signals by self existing sound wave sending module and be sent to the second terminal equipment.First terminal equipment self does not need to add extra communication module, is directly carried out the transmission of data by the sound wave sending module of first terminal equipment self, not only can reduce costs, use more convenient yet.In addition, multiple loudspeaker with different acoustic fields direction are installed on the terminal device, solve acoustic communication to the orientation requirement between terminal equipment; In order to the problem be easily disturbed when solving acoustic communication, multiple loudspeaker are made to adopt the mechanism works of time-sharing send; In order to solve the individual reception performance difference of terminal equipment, the carrier wave of two frequencies is adopted to modulate the data after coding, the mixing signal of telecommunication is obtained after mixing is carried out to the two-way modulation signal obtained after modulation, thus make acoustic communication effect reach perfect condition, can better be applied and be promoted.
One of ordinary skill in the art will appreciate that all or part of step realized in the various embodiments described above method is that the hardware that can carry out instruction relevant by program has come, corresponding program can be stored in a computer read/write memory medium, described storage medium, as ROM/RAM, disk or CD etc.
Embodiment two
Fig. 3 shows the concrete structure block diagram of the device of the transmission data that the embodiment of the present invention two provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.The device 3 of these transmission data can be the unit of the software unit be built in mobile terminal, hardware cell or software and hardware combining, and this device 3 comprises: operational order receiver module 31, mixing signal of telecommunication generation module 32, sound wave sending module 33, control module 34, acoustic receiver module 35 and electronic signal processing module 36.
Wherein, operational order receiver module 31, for receiving the operational order of the transmission data of input;
Mixing signal of telecommunication generation module 32, for encoding to the data that will send according to described operational order, modulating, mixing, generates the first mixing signal of telecommunication;
Sound wave sending module 33, for the described first mixing signal of telecommunication is converted to acoustic signals and is sent to the second terminal equipment, the described acoustic signals received is converted to the second mixing signal of telecommunication by the second terminal equipment, and frequency division, demodulation, decoding are carried out to the described second mixing signal of telecommunication, obtain the data that first terminal equipment sends.
Concrete, described sound wave sending module 33 comprises at least two electroacoustic transducers, and the sound field direction of described at least two electroacoustic transducer sounding is different.
Further, described device 3 also comprises:
Control module 34, be connected between described mixing signal of telecommunication generation module 32 and described sound wave sending module 33, for after mixing signal of telecommunication generation module 32 generates the first mixing signal of telecommunication, control at least two electroacoustic transducers in described sound wave sending module 33, successively the described first mixing signal of telecommunication converted to acoustic signals with at least two electroacoustic transducers described in making and be sent to the second terminal equipment respectively.
Further, described mixing signal of telecommunication generation module 32 adopts the carrier wave of two frequencies to modulate the data after coding, obtains the mixing signal of telecommunication after carrying out mixing to the two-way modulation signal obtained after modulation.
Further, the device of these transmission data can also receive the acoustic signals of other device transmission, and processes the acoustic signals received, and to obtain the data that other device sends, concrete, the device of these transmission data also comprises:
Acoustic receiver module 35, for receiving the acoustic signals that described second terminal equipment sends, and converts described acoustic signals to the mixing signal of telecommunication;
Electronic signal processing module 36, for carrying out frequency division, demodulation, decoding to the described mixing signal of telecommunication, obtains the data that described second terminal equipment sends.
The device of the transmission data that the embodiment of the present invention provides can be applied in the embodiment of the method one of aforementioned correspondence, and details, see the description of above-described embodiment one, do not repeat them here.
Embodiment three
Fig. 4 shows the concrete structure block diagram of the acoustic communication system that the embodiment of the present invention three provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.This acoustic communication system 4 comprises the device 3 of the transmission data described in embodiment two, also comprise the device 5 receiving data, the device 5 of described reception data converts the acoustic signals received to the second mixing signal of telecommunication, and frequency division, demodulation, decoding are carried out to the described second mixing signal of telecommunication, the data that the device 3 obtaining described transmission data sends;
Wherein, the device 5 of described reception data comprises:
Acoustic receiver module, the acoustic signals that the device for receiving described transmission data sends, and convert described acoustic signals to the second mixing signal of telecommunication;
Electronic signal processing module, for carrying out frequency division, demodulation, decoding to the described second mixing signal of telecommunication, the data that the device obtaining described transmission data sends.
The device 5 of described reception data receives described acoustic signals by self existing acoustic receiver module and converts described acoustic signals to the second mixing signal of telecommunication.
Wherein, receiving the device 5 of data can be the unit being built in the software unit of mobile terminal, hardware cell or software and hardware combining.
It should be noted that in said system embodiment, included unit is carry out dividing according to function logic, but is not limited to above-mentioned division, as long as can realize corresponding function; In addition, the concrete title of each functional unit, also just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. send a method for data, it is characterized in that, described method comprises:
First terminal equipment receives the operational order of the transmission data of input;
First terminal equipment is encoded to the data that will send according to described operational order, modulate, mixing, generates the first mixing signal of telecommunication;
The described first mixing signal of telecommunication is converted to acoustic signals and is sent to the second terminal equipment by first terminal equipment, the described acoustic signals received is converted to the second mixing signal of telecommunication by the second terminal equipment, and frequency division, demodulation, decoding are carried out to the described second mixing signal of telecommunication, obtain the data that first terminal equipment sends.
2. the method for claim 1, it is characterized in that, the described first mixing signal of telecommunication is converted to acoustic signals and is sent to the second terminal equipment by self existing sound wave sending module by described first terminal equipment, described sound wave sending module comprises at least two electroacoustic transducers, and the sound field direction of described at least two electroacoustic transducer sounding is different.
3. method as claimed in claim 2, it is characterized in that, at least two electroacoustic transducers described in described first terminal equipment controls, convert the described first mixing signal of telecommunication received to acoustic signals successively with at least two electroacoustic transducers described in making and are sent to the second terminal equipment respectively.
4. the method as described in claim 1,2 or 3, is characterized in that, first terminal equipment adopts the carrier wave of two frequencies to modulate the data after coding, obtains the described first mixing signal of telecommunication after carrying out mixing to the two-way modulation signal obtained after modulation.
5. send a device for data, it is characterized in that, described device comprises:
Operational order receiver module, for receiving the operational order of the transmission data of input;
Mixing signal of telecommunication generation module, for encoding to the data that will send according to described operational order, modulating, mixing, generates the first mixing signal of telecommunication;
Sound wave sending module, for the described first mixing signal of telecommunication is converted to acoustic signals and is sent to the second terminal equipment, the described acoustic signals received is converted to the second mixing signal of telecommunication by the second terminal equipment, and frequency division, demodulation, decoding are carried out to the described second mixing signal of telecommunication, obtain the data that first terminal equipment sends;
Acoustic receiver module, for receiving the acoustic signals that described second terminal equipment sends, and converts described acoustic signals to the mixing signal of telecommunication;
Electronic signal processing module, for carrying out frequency division, demodulation, decoding to the described mixing signal of telecommunication, obtains the data that described second terminal equipment sends.
6. device as claimed in claim 5, it is characterized in that, described sound wave sending module comprises at least two electroacoustic transducers, and the sound field direction of described at least two electroacoustic transducer sounding is different.
7. device as claimed in claim 6, it is characterized in that, described device also comprises:
Control module, at least two electroacoustic transducers described in controlling, converts the described first mixing signal of telecommunication received to acoustic signals successively with at least two electroacoustic transducers described in making and is sent to the second terminal equipment respectively.
8. the device as described in claim 5,6 or 7, it is characterized in that, described mixing signal of telecommunication generation module adopts the carrier wave of two frequencies to modulate the data after coding, obtains the described first mixing signal of telecommunication after carrying out mixing to the two-way modulation signal obtained after modulation.
9. a mobile terminal, is characterized in that, described mobile terminal comprises the device of the transmission data as described in any one of claim 5 to 8.
10. an acoustic communication system, is characterized in that, described acoustic communication system comprises the device of the transmission data as described in any one of claim 5 to 8, and also comprise the device receiving data, the device of described reception data comprises:
Acoustic receiver module, the acoustic signals that the device for receiving described transmission data sends, and convert described acoustic signals to the second mixing signal of telecommunication;
Electronic signal processing module, for carrying out frequency division, demodulation, decoding to the described second mixing signal of telecommunication, the data that the device obtaining described transmission data sends.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310603290.4A CN104660348A (en) | 2013-11-25 | 2013-11-25 | Method, device and mobile terminal for sending data, and sound wave communication system |
| PCT/CN2014/092093 WO2015074617A1 (en) | 2013-11-25 | 2014-11-24 | Data transmission method and apparatus, mobile terminal, and acoustic communications system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310603290.4A CN104660348A (en) | 2013-11-25 | 2013-11-25 | Method, device and mobile terminal for sending data, and sound wave communication system |
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| CN104660348A true CN104660348A (en) | 2015-05-27 |
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| CN201310603290.4A Pending CN104660348A (en) | 2013-11-25 | 2013-11-25 | Method, device and mobile terminal for sending data, and sound wave communication system |
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| CN (1) | CN104660348A (en) |
| WO (1) | WO2015074617A1 (en) |
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| CN105704319A (en) * | 2016-03-18 | 2016-06-22 | 深圳市轱辘软件开发有限公司 | Method of adding friend and intelligent devices |
| CN106006249A (en) * | 2016-06-30 | 2016-10-12 | 广州广日电梯工业有限公司 | Acoustic wave communication system and control method thereof |
| WO2017173777A1 (en) * | 2016-04-08 | 2017-10-12 | 中兴通讯股份有限公司 | Method and terminal for testing audio quality |
| CN107257259A (en) * | 2017-05-16 | 2017-10-17 | 珠海耀阳电子科技有限公司 | A kind of method that communication and data exchange are carried out using sound wave modulation technique |
| CN111970558A (en) * | 2020-10-19 | 2020-11-20 | 深圳乐播科技有限公司 | Screen projection method, device, equipment and storage medium based on sound wave communication |
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| CN111970558A (en) * | 2020-10-19 | 2020-11-20 | 深圳乐播科技有限公司 | Screen projection method, device, equipment and storage medium based on sound wave communication |
Also Published As
| Publication number | Publication date |
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| WO2015074617A1 (en) | 2015-05-28 |
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Application publication date: 20150527 |