CN109005484A - A kind of device and its implementation carrying out information transmission and control using sound wave - Google Patents
A kind of device and its implementation carrying out information transmission and control using sound wave Download PDFInfo
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- CN109005484A CN109005484A CN201710418749.1A CN201710418749A CN109005484A CN 109005484 A CN109005484 A CN 109005484A CN 201710418749 A CN201710418749 A CN 201710418749A CN 109005484 A CN109005484 A CN 109005484A
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- 230000005236 sound signal Effects 0.000 claims description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
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Abstract
The invention discloses a kind of devices and its implementation that information transmission and control are carried out using sound wave, and device includes: emitter；Reception device；Receiving sensor in the reception device, the first amplifier and the second amplifier, filter and signal processor are set.The device and its implementation of the present invention that information transmission and control are carried out using sound wave, it can be used general-purpose audio equipment as emitter, after audio control signal is superimposed with programme signal, issue sound wave controlled signal together by emitter, the received device reception of sound wave controlled signal is converted into audio control signal, audio control signal after amplification, filtering, amplifying again, it is handled by signal processor reception, can effectively overcoming noise interference, the movement of making a response property of control response device, reaches response action effect associated with program.
Description
Technical field
The present invention relates to sonic transmissions can control technical field more particularly to it is a kind of utilize sound wave carry out information transmission
With the device and its implementation of control.
Background technique
Traditional information transmission and control method, the program generation for being difficult to realize commodity and the broadcasting of general audio & video equipment are real
The relevant action of when property, such as: when the advertisement for commodity of televising, how to realize that the commodity generation acts, cause consumer's
Concern.And traditional technology, if radio, infrared ray and ultrasonic wave are exactly the transmitting of common information and control means, but they
Respectively there is shortcoming.Radio wave is not suitable for combustible and explosive area, and people, which radiate it brought health problem, quite to be had
Misgivings；Infrared ray is easily obscured by an obstacle due to along straightline propagation；And the transmitting of ultrasonic wave need special device or
Device, and common audio frequency apparatus cannot be used to play；The program that can not be played with general audio & video equipment generates real-time
Relevant action.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide it is a kind of using sound wave carry out information transmission and
The device and its implementation of control, it is intended to solve electromagnetic radiation existing for existing information transmission and signal control means to health
Unfavorable, infrared ray straightline propagation is easily blocked and ultrasonic wave needs special device emitter;It cannot be with general audio-video
The program of device plays leads to the problem of the relevant action of real-time.
Technical scheme is as follows:
A kind of device carrying out information transmission and control using sound wave, wherein include:
For issuing the emitter of the audio control signal of control response equipment；
The reception device for being used to receive and process the audio control signal on the response apparatus is set；
The receiving sensor for being used to receive the audio control signal in the reception device is set；
Making a response in the reception device for handling the audio control signal and controlling the response apparatus is set
The signal processor of movement；
It is arranged between the receiving sensor and the signal processor and is used to amplify the first of the audio control signal
Amplifier and the second amplifier, first amplifier and the second amplifier can simplify or cancel；
It is arranged in other than the audio control signal that is used to decay between the receiving sensor and the signal processor
The filter of noise signal, the filter can simplify or cancel；
Wherein, at the receiving sensor, first amplifier, the filter, second amplifier and the signal
Reason device is successively electrically connected.
The device that information transmission and control are carried out using sound wave, wherein the audio control signal emitter
Including mobile phone, tablet computer, sound equipment, TV, venue large size stereo set.
The device that information transmission and control are carried out using sound wave, wherein the audio control signal emitter
Audio emitter include electromagnetic loudspeaker, piezo-electric loudspeaker, electrostatic induction formula loudspeaker.
The described device that information transmission and control are carried out using sound wave, wherein the filter be bandpass filter or
High-pass filter.
The described device that information transmission and control are carried out using sound wave, wherein the audio control signal frequency between
Between 16KHz~20KHz, and be continuous simple signal, two-frequency signal, multiple-frequency signal, double frequency or multifrequency combination signal or
Modulated signal.
The device that information transmission and control are carried out using sound wave, wherein the receiving sensor is piezoelectric ceramics
Sensor, resonance frequency is between 16KHz~20KHz.
The described device that information transmission and control are carried out using sound wave, wherein the acoustic signals processor be MCU,
DSP or audio demodulator.
The device that information transmission and control are carried out using sound wave, wherein the acoustic signals processor uses FFT
Algorithm carries out information processing.
The device that information transmission and control are carried out using sound wave, wherein the propagation medium packet of the acoustic signals
Include air, liquid or solid.
A kind of implementation method carrying out information transmission and control using sound wave, wherein comprising steps of
A, emitter issues the superposed signal of audio control signal and programme signal of the frequency between 16KHz~20KHz；
B, the receiving sensor being arranged in the response apparatus reception device is connected to the superposed signal, is translated into audio
Control signal is simultaneously sent to the progress signal amplification of the first amplifier；
C, first amplifier sends it to filter after amplifying signal；
D, the filter sends it to the second amplifier after being filtered to the audio control signal；
E, second amplifier sends it to signal processor after amplifying signal；
F, the signal processor control response device responds movement.
The utility model has the advantages that a kind of device and its realization side for carrying out information transmission and control using sound wave provided by the present invention
Method issues audio control signal and the superimposed acoustic signals of programme signal by audio control signal emitter, then through connecing
Retractable is big, filtering, amplify again after, acted by signal processor making a response property of control response equipment, effectively prevent existing letter
Electromagnetic radiation existing for breath transmission and signal control means is easily blocked to unfavorable, infrared ray the straightline propagation of health and ultrasonic wave
The problem of needing special emitter.Use general-purpose audio equipment as emitter, effectively overcome the interference of noise, controls
Making a response property of responding device movement processed, reaches associated effect of the response action with program real-time.
Detailed description of the invention
Fig. 1 is that the principle of the device preferred embodiment of the present invention that information transmission and control are carried out using sound wave is illustrated
Figure.
Fig. 2 is put to be of the present invention using cancellation second in the device preferred embodiment of sound wave progress information transmission and control
The schematic illustration of big device.
Fig. 3 is put to be of the present invention using cancellation first in the device preferred embodiment of sound wave progress information transmission and control
The schematic illustration of big device and the second amplifier.
Fig. 4 filters to cancel in the device preferred embodiment of the present invention for utilizing sound wave to carry out information transmission and control
The schematic illustration of device and the second amplifier.
Fig. 5 is the process of the implementation method preferred embodiment of the present invention that information transmission and control are carried out using sound wave
Figure.
Fig. 6 is the pcb board of the implementation method preferred embodiment of the present invention that information transmission and control are carried out using sound wave
Upper each component electrical connection and functional block diagram.
Specific embodiment
The present invention provides a kind of device and its implementation that information transmission and control are carried out using sound wave, to make the present invention
Purpose, technical solution and effect it is clearer, clear, the present invention is described in more detail below.It should be appreciated that this place
The specific embodiment of description is only used to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, it is the device preferred embodiment of the present invention for carrying out information transmission and control using sound wave
Schematic illustration, the device that information transmission and control are carried out using sound wave, comprising:
For issuing the emitter 1 of the audio control signal of control response equipment；
The reception device 2 for being used to receive and process the audio control signal on the response apparatus is set；
The receiving sensor 211 for being used to receive the audio control signal in the reception device is set；
Making a response in the reception device for handling the audio control signal and controlling the response apparatus is set
Property movement acoustic signals processor 212.
It is arranged between the receiving sensor and the acoustic signals processor and is used to amplify the acoustic signals
First amplifier 213 and the second amplifier 214, first amplifier 213 and the second amplifier 214 can simplify or cancel；
It is arranged between the receiving sensor 211 and the acoustic signals processor 212 and is used for the audio frequency control of decaying
The filter 215 of noise signal other than signal, the filter can simplify or cancel.Wherein, the receiving sensor, described
First amplifier, the filter, second amplifier and the signal processor are successively electrically connected.
Specifically, the noise signal is mainly the programme signal that is simultaneously emitted by with the audio control signal, this be because
It by the audio control signal is superimposed upon in the program that audio-frequence player device plays.For example, playing advertisement in television set
When, audio control signal is superimposed upon in programme signal, and the loudspeaker that two kinds of signals pass through television set together broadcasts, therefore, to
It clearly distinguishes and receives audio control signal, it is necessary to other interference signals be decayed using filter and weakened, only retained
Audio control signal.
It should be noted that " acoustic signals " of the present invention refer to the mechanical wave signals propagated in transmission medium, " sound
Frequency control signal " refers to electric signal.Specifically, the sound wave that the present invention uses is mechanical wave, due to not having electromagnetic field, so will not
Harmful electromagnetic radiation is generated to human body;It is propagated compared to light, the diffracting power of sound wave is stronger, can also even if opaque article
It is propagated with getting around.Generally, the identifiable frequency of sound wave range of human ear is 20Hz~20KHz.And actually human ear pair
Quite blunt in the acoustic signals of 16KHz or more, needing to reach higher acoustic pressure human ear can just experience.In addition, the sense of hearing of people
Also there is screen effect, i.e. off beat can flood phenomenon by forte, can be believed by strong sound wave in the acoustic signals of acoustically low amplitude
It number overrides, causes human ear that cannot tell the acoustic signals of low amplitude.Therefore, relative amplitude very little is superimposed in normal program source
16KHz~20KHz audio control signal, human ear is difficult to be aware of the audio control signal, will not cause to normal life
Interference.Therefore, using the acoustic signals of 16KHz~20KHz as control signal, using lower-magnitude and with it is other stronger
When frequency signal plays jointly, human ear is difficult to be aware of.Since audio control signal is comparatively small, in order to by the weaker sound
Frequency control signal is separated from ambient noise, need to be carried out to audio control signal of the frequency between 16KHz~20KHz
Processing, to be able to achieve its control to response apparatus.
Further, heretofore described audio control signal emitter 1 includes mobile phone, tablet computer, sound equipment, electricity
Depending on, venue large size stereo set.Since 16KHz~20KHz frequency belongs to audio range, it ordinary audio can be used to play
The acoustic signals are used to control the signal instruction of other devices as acoustic signals emission source by equipment after processing.Therefore,
Ordinary audio equipment such as mobile phone, TV, large-scale stereo set etc. can be used as acoustic signals emission source.
Further, the audio emitter (SPK) 111 of the audio control signal emitter 1 includes electromagnetic type loudspeaking
Device, piezo-electric loudspeaker, electrostatic induction formula loudspeaker.It is of course also possible to use other audio player parts.
Further, as shown in Figure 1, the acoustic signals are propagated by transmission medium 3, the transmission medium 3 can
To include air, liquid or solid.It since sound wave is mechanical wave, can be propagated in liquid or solid medium, realization pair
The control of response apparatus.
Further, the audio control signal frequency is between 16KHz~20KHz, and can believe for continuous single-frequency
Number, the combination signal or modulated signal of two-frequency signal, multiple-frequency signal, double frequency or multifrequency, such as ASK(Amplitude Shift
Keying, amplitude shift keying) or FSK(Frequency Shift Keying, frequency shift keying) modulated signal.
Further, the receiving sensor 211 is piezoceramic transducer, and resonance frequency is between 16KHz~20KHz
Between.Common audio receiver part (MIC) generally using microphone in collective, silicon microphone (silicon microphone),
Moving-coil microphone etc. is used as sensor.But the frequency characteristic of above several sensors is relatively flat, the program source signal received
The amplitude of audio control signal is significantly greater than with the noise from environment, this requires that the filter of following stage is to noise signal
With strong attenuation, or processor is required to have compared with strong signal processing capacity, audio control signal could be detected
Out, and filter and processor are intended to need is caused with high costs using high performance device.Receiving device in the present invention is adopted
With the sensor with intrinsic mechanical resonant frequency, such sensor has good frequency-selecting effect.It is widely used in ultrasonic wave
The piezoceramic material receiver in field is exactly one of this kind of sensor.It can adjust receiver resonance frequency to sound
Between frequency range 16KHz~20KHz, and there is stronger attenuation effect to the audio signal except resonance frequency, reduces rear class filter
The performance requirement of wave device and processor does not need consumption power supply electricity simultaneously as piezoceramic transducer device is passive device
Pressure, can simplify design, reduce cost.
Further, the filter is bandpass filter or high-pass filter.As shown in Figure 1, the filter 215 is set
It sets between shown first amplifier 213 and the second amplifier 214.First amplifier 213(OP1) by the faint sound from MIC
Frequency control signal amplification, and it is sent to filter 215(FL1) be filtered.Filter 215(FL1) bandpass filtering can be used
High-pass filter, cutoff frequency > 16KHz can also be used between 16KHz~20KHz in device, centre frequency.Through filtering
Signal afterwards is further amplified through the second amplifier (OP2), retransmits to signal processor 212(IC) processing.
Further, as shown in Figure 1, the signal processor 212(IC) it is MCU, DSP(Digital Signal
Processor, digital signal processor) or audio demodulator.Signal processor 212(IC) for being carried out to the signal received
Judgement, method, which can be by checking signal amplitude, frequency, to be judged.Preferably, the signal processor uses FFT(Fast
Fourier Transform), Fast Fourier Transform) algorithm progress information processing.Meet when processor 212(IC) is detected
After the signal of specific characteristic, such as: specific frequency, specific modulation information can execute corresponding movement according to the information received
Instruction.
It is pointed out that first amplifier 213, second amplifier 214 and the filter 215(FL1)
Not indispensable device, when receiving device (MIC) has excellent sensitivity, first amplifier 213, described second are put
Big device 214 can simplify or cancel；When receiving device (MIC) has excellent frequency selectivity energy, the filter 215
(FL1) it can simplify or cancel.Several preferred embodiments please refer to Fig. 2-4, wherein Fig. 2 be it is of the present invention using sound wave into
Cancel the schematic illustration of the second amplifier in the device preferred embodiment of row information transmission and control, Fig. 3 is of the present invention
The principle for cancelling the first amplifier and the second amplifier in the device preferred embodiment of information transmission and control is carried out using sound wave
Schematic diagram, Fig. 4 are to cancel filter in the device preferred embodiment of the present invention for carrying out information transmission and control using sound wave
With the schematic illustration of the second amplifier.As shown in Fig. 2, when receiving device (MIC) has excellent sensitivity, described second
Amplifier 214 can be cancelled, and the design of the reception device 2 is simplified；As shown in figure 3, when receiving device (MIC) has enough spirits
When sensitivity, first amplifier and second amplifier 214 can be cancelled, so that the design of the reception device 2 is more
Simplify；As shown in figure 4, when receiving device (MIC) has excellent sensitivity and frequency selectivity energy, second amplifier
The 214 and filter 215(FL1) it can cancel.
Specification is needed, pcb board can be used in the reception device 2, wherein the receiving sensor 211, first putting
Big device 213, the second amplifier 214, filter 215 and processor 212 may be provided at the top layer or bottom of the pcb board.Meanwhile
The reception device 2 further includes providing the battery of electric energy, and the battery is connected with the pcb board.
Based on above-mentioned apparatus embodiment, the present invention also provides a kind of realization sides that information transmission and control are carried out using sound wave
Method.As shown in figure 5, it is described using sound wave carry out information transmission and control implementation method comprising steps of
S100, audio control signal of the emitter sending frequency between 16KHz~20KHz are superimposed letter with programme signal
Number；
S200, the receiving sensor being arranged in the response apparatus reception device are connected to the superposed signal, are translated into
Audio control signal is simultaneously sent to the progress signal amplification of the first amplifier；
S300, first amplifier send it to filter after amplifying signal；
S400, the filter send it to the second amplifier after being filtered to the audio control signal；
S500, second amplifier send it to signal processor after amplifying signal；
S600, the signal processor control response device respond movement.
When it is implemented, issue control response equipment audio control signal emitter launch frequency between
Audio control signal between 16KHz~20KHz, the receiving sensor being arranged in the response apparatus reception device are connected to institute
Audio control signal is stated, then sends it to the first amplifier and carries out signal amplification, after first amplifier amplifies signal
Filter is sent it to, the filter sends it to the second amplification after being filtered to the audio control signal
Device, second amplifier send it to signal processor after amplifying signal, the signal processor controls the response
The movement of responding property of equipment.
Further, referring to Fig. 6, its be it is of the present invention using sound wave carry out the device of information transmission and control compared with
Electrical connection and functional block diagram between the component of good embodiment.As shown in fig. 6, the audio emitter of emitter
(SPK) what is issued is the superposed signal of audio control signal and programme signal, and frequency passes through between 16KHz~20KHz
Sound wave medium is transferred to reception device.The receiving sensor of reception device, the first amplifier, filter, the second amplifier, signal
Processor is sequentially connected electrically, and the signal processor is also connected with executive device.Preferably, the receiving sensor may be provided at
The bottom of pcb board, first amplifier, the filter, second amplifier, institute's acoustic signals processor may be provided at
The top layer of pcb board.As shown in fig. 6, receiving sensor one end is grounded, the other end is connect by resistance R1 with the first amplifier, electricity
Hinder the protective resistance that R2 is the first amplifier.First amplifier includes positive and negative electrode, and one end is grounded, and the other end passes through R3, capacitor
Device C1, C3 and filter connect.Filter also includes positive and negative electrode, and one end is grounded, and the other end passes through capacitor C4, resistance
R6 is connect with the second amplifier.Capacitor C2, resistance R4, R5 are additionally provided between the capacitor C1 and C4.Described second puts
Big device is connected by capacitor C5 signal processor, and resistance R7 is the protective resistance of the second amplifier.As shown in fig. 6, at signal
Manage device (MCU), including VDD(, that is, signal processor supply pin), the analog/digital conversion input pin of AD(, that is, MCU), GND(be
The power ground of MCU), port 1,2,3,4,5,6,7,8, wherein port 1 connect VDD, port 3 be grounded, port 4 with second amplify
Device connection, port 5 pass through D1(, that is, light emitting diode), resistance R3 ground connection.D1, resistance R8 constitute the executive device, are used for
Hold passage processor treated audio control signal instruction, the movement of making a response property.
Based on the above-mentioned device and its implementation embodiment for carrying out information transmission and control using sound wave, in order to better
Understand the present invention, enumerates application case further explanation below.
Application case 1: a kind of certain brand beer cup carrying out information transmission and control using sound wave, in the stein
Reception device of the present invention is arranged in sub- bottom, and the reception device includes receiving sensor, amplifier, filter and processing
Device.When playing the advertisement of the brand beer in television set, due to being superimposed audio control signal in the audio signal of advertisement, two
The loudspeaker that kind signal passes through television set simultaneously broadcasts, and the beer cup receives acoustic signals, is converted into audio frequency control letter
Number, the movement such as vibration, luminous is then made according to the command information that audio control signal transmits, such spectators just generate with advertisement
The effect of interaction, enhances interest, has also promoted brand.
A kind of application case 2: lighting rod carrying out information transmission and control using sound wave.In certain soccer stadium,
Reception device of the present invention built in lighting rod in spectators' hand, when the team that spectators are supported scores, audio frequency control letter
Number by venue large size stereo set broadcast, due to use the device of the invention, the lighting rod reception device can be effective gram
The interference for taking ambient noise receives control signal, then generate vibration according to the command information of control signal transmitting, shine etc.
Movement enhances interest and interactivity.
In conclusion the device and its implementation provided by the present invention that information transmission and control are carried out using sound wave,
Device includes: emitter；Reception device；Receiving sensor in the reception device, the first amplifier and second are set
Amplifier, filter and signal processor.The device and its implementation that information transmission and control are carried out using sound wave, pass through sound
After frequency controls the received acoustic signals that sender unit issues, amplification, filters, amplifies again, set by processor control response
Standby making a response property acts, and electromagnetic radiation existing for existing information transmission and signal control means is unfavorable, infrared ray to health
Straightline propagation, which is easily blocked, and ultrasonic wave needs special device transmitting and can not be used directly to control other equipment responds
The problem of movement.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of device for carrying out information transmission and control using sound wave characterized by comprising
For issuing the emitter of the audio control signal of control response equipment；
The reception device for being used to receive and process the audio control signal on the response apparatus is set；
The receiving sensor for being used to receive the audio control signal in the reception device is set；
Making a response in the reception device for handling the audio control signal and controlling the response apparatus is set
The signal processor of movement；
It is arranged between the receiving sensor and the signal processor and is used to amplify the first of the audio control signal
Amplifier and the second amplifier, first amplifier and the second amplifier can simplify or cancel；
Be arranged between the receiving sensor and the acoustic signals processor for decay the audio control signal with
The filter of outer noise signal, the filter can simplify or cancel；
Wherein, at the receiving sensor, first amplifier, the filter, second amplifier and the signal
Reason device is successively electrically connected.
2. the device according to claim 1 for carrying out information transmission and control using sound wave, which is characterized in that the audio
Controlling sender unit includes mobile phone, tablet computer, sound equipment, TV, venue large size stereo set.
3. the device according to claim 2 for carrying out information transmission and control using sound wave, which is characterized in that the audio
The audio emitter for controlling sender unit includes electromagnetic loudspeaker, piezo-electric loudspeaker, electrostatic induction formula loudspeaker.
4. the device according to claim 1 for carrying out information transmission and control using sound wave, which is characterized in that the filtering
Device is bandpass filter or high-pass filter.
5. the device according to claim 1 for carrying out information transmission and control using sound wave, which is characterized in that the audio
Signal frequency is controlled between 16KHz~20KHz, and can be continuous simple signal, two-frequency signal, multiple-frequency signal, double frequency
Or the combination signal or modulated signal of multifrequency.
6. the device according to claim 1 for carrying out information transmission and control using sound wave, which is characterized in that the reception
Sensor is the sensor with mechanical resonant frequency, and resonance frequency is between 16KHz~20KHz.
7. the device according to claim 1 for carrying out information transmission and control using sound wave, which is characterized in that the reception
Sensor is piezoceramic transducer, and resonance frequency is between 16KHz~20KHz.
8. the device according to claim 1 for carrying out information transmission and control using sound wave, which is characterized in that the signal
Processor includes MCU, DSP or audio demodulator；The signal processor carries out information processing using fft algorithm.
9. the device according to claim 1 for carrying out information transmission and control using sound wave, which is characterized in that the sound wave
The propagation medium of signal includes air, liquid or solid.
10. a kind of implementation method for carrying out information transmission and control using sound wave, which is characterized in that comprising steps of
A, emitter issues the superposed signal of audio control signal and programme signal of the frequency between 16KHz~20KHz；
B, the receiving sensor being arranged in the response apparatus reception device is connected to the superposed signal, is translated into audio
Control signal is simultaneously sent to the progress signal amplification of the first amplifier；
C, first amplifier sends it to filter after amplifying signal；
D, the filter sends it to the second amplifier after being filtered to the audio control signal；
E, second amplifier sends it to signal processor after amplifying signal；
F, the signal processor control response equipment responds movement.
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Application publication date: 20181214 |