CN104464244A - Remote control method and remote control device for bluetooth loudspeaker box as well as remote control signal transmitting equipment for bluetooth loudspeaker box - Google Patents
Remote control method and remote control device for bluetooth loudspeaker box as well as remote control signal transmitting equipment for bluetooth loudspeaker box Download PDFInfo
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Abstract
The invention provides a remote control method and a remote control device for a bluetooth loudspeaker box as well as remote control signal transmitting equipment for the bluetooth loudspeaker box. The remote control method comprises the steps of receiving a bluetooth signal transmitted by the remote control signal transmitting equipment, carrying out frequency analysis on the received bluetooth signal, and judging whether the received signal is a dual-tone multi-frequency signal or not; and when judging that the received signal is the dual-tone multi-frequency signal, analyzing a keying signal characterized by the dual-tone multi-frequency signal, and executing audio playback operation corresponding to the keying signal. The remote control device is used for implementing the remote control method, and the bluetooth signal transmitting equipment is used for transmitting the dual-tone multi-frequency bluetooth signal as a control signal. According to the remote control method and the remote control device as well as the remote control signal transmitting equipment provided by the invention, the usability of the bluetooth loudspeaker box can be improved, the work for development of a bluetooth loudspeaker box control application at a mobile phone terminal can be eliminated, and the use cost of the bluetooth loudspeaker box can be reduced.
Description
Technical field
The present invention relates to wireless signal process field, particularly, is a kind of remote control thereof to Baffle Box of Bluetooth and the telechiric device applying this remote control thereof, and relates to the transmitting apparatus sending remote signal.
Background technology
Along with the development of wireless communication technology, bluetooth (Bluetooth) technology is widely used in short-range communication situation, as the electronic equipments such as present mobile phone, panel computer can realize the function of Bluetooth communication mostly.The Bluetooth chip that present electronic equipment mainly applies Bluetooth chip and another electronic equipment carries out wireless data and exchanges to realize Bluetooth communication, and Bluetooth chip is usually encapsulated in a plastic casing and forms bluetooth module, the printed circuit board (PCB) that bluetooth module is welded on electronic equipment usually carries out exchanges data with other chips of electronic equipment.
Along with the development of Bluetooth technology, the efficiency of its transmission data is also more and more higher, and people start Bluetooth technology to be applied in music field, and typical application is exactly Baffle Box of Bluetooth.Baffle Box of Bluetooth has the hardware configuration of traditional audio amplifier, comprises one or more loudspeaker, and is provided with the circuit, digital signal processing circuit etc. of powering to loudspeaker, is also provided with the Bluetooth antenna for receiving Bluetooth signal.Sound signal on mobile phone, panel computer is sent to Baffle Box of Bluetooth by Bluetooth signal by user, Baffle Box of Bluetooth receives Bluetooth signal by Bluetooth antenna, the Bluetooth signal of reception processes by digital signal processing circuit, form digital signal, and decoding forms sound signal, is play by loudspeaker.
But, existing Baffle Box of Bluetooth arranges the button for controlling music usually on housing, or arrange touch screen, user needs, by push button or touch screen controls the work of Baffle Box of Bluetooth, to play music, playing next song, regulate volume etc. as suspended.But user often needs the work that nearby could control Baffle Box of Bluetooth at Baffle Box of Bluetooth, make troubles to like this use of user.
Existing many audio amplifiers are provided with telepilot, the most widely used telepilot is infrared remote controller at present, infrared remote controller sends infrared signal to controlled device, infrared signal comprises control information, after controlled device receiving infrared-ray signal, the control information comprised is decoded and is performed corresponding operation.But, infrared transmission exist transmission range short, there is directivity, easily the defect such as to be disturbed, when using infrared remote controller remote control equipment, must by telepilot just to the infrared remote control receiver of controlled device, otherwise affect Signal transmissions, cannot straighforward operation be carried out.
Along with the development of smart mobile phone, Intelligent flat computer, increasing equipment starts to utilize the Bluetooth signal of mobile phone to carry out remote control.Traditional audio amplifier too increases the function that Bluetooth of mobile phone plays music.Bluetooth remote control method most is at present set up applications on mobile phone and carries out remote control to audio amplifier.And be substantially divided into IOS, Android, Windows three digest journals platform due to the operating system of smart mobile phone, need to carry out software development three system platforms simultaneously, considerably increase the work load of peopleware.Meanwhile, the ease for use that remote control application program also have impact on blue Tooth remote controller is installed.
Dual-tone multifrequency (DTMF, Dual Tone Multi-Frequency) signal represents numeral or function with the combination of two specific monotony frequency signals.In DTMF telephone set, have 16 buttons, wherein 10 digital keys: " 0 " is arrived " 9 ", 6 function keys " * ", " # ", " A ", " B ", " C ", " D ", wherein 12 buttons are more common buttons.CCITT (CCITT) advises, adopt 697Hz, 770Hz, 852Hz, 941Hz tetra-low frequency groups and 1209Hz, 1336Hz, 1477Hz, 1633Hz tetra-high frequency groups in the world, respectively extract arbitrarily a kind of frequency out from low frequency group and high frequency group to combine, have 16 kinds of combinations, represent 16 kinds of different digital keys or function, each button is made up of frequently one group of line frequency and row uniquely, as shown in table 1.
| 1 | 2 | 3 | A | 697Hz |
| 4 | 5 | 6 | B | 770Hz |
| 7 | 8 | 9 | C | 852Hz |
| * | 0 | # | D | 941Hz |
| 1209Hz | 1336Hz | 1447Hz | 1633Hz |
Table 1.
Summary of the invention
Fundamental purpose of the present invention is to provide and a kind ofly controls simple and that ease for use is good Baffle Box of Bluetooth remote control thereof to Baffle Box of Bluetooth.
Another object of the present invention is to provide the little Baffle Box of Bluetooth telechiric device of a kind of development difficulty.
Another object of the present invention is to provide a kind of Baffle Box of Bluetooth remote signal transmitting apparatus can exempting the work of mobile phone terminal application development.
In order to realize above-mentioned fundamental purpose, the remote control thereof of Baffle Box of Bluetooth provided by the invention comprises the Bluetooth signal receiving remote signal transmitting apparatus and send, frequency analysis is carried out to received Bluetooth signal, judges whether the signal received is touch-tone signal; When the Bluetooth signal that judgement receives is touch-tone signal, analyzes the push button signalling that touch-tone signal characterizes, and perform audio player operation corresponding to this push button signalling.
From such scheme, dual-tone multifrequency Bluetooth signal is sent as control signal to control the audio player operation of Baffle Box of Bluetooth by Bluetooth signal transmitting apparatus such as mobile phones, Bluetooth antenna and the Bluetooth signal treatment circuit of Baffle Box of Bluetooth script can be utilized, and do not need to arrange infrared receiver etc., reduce the production cost of Baffle Box of Bluetooth.In addition, because Bluetooth signal transmission stability is better than infrared signal, and be not easily disturbed.Further, application mobile phone, panel computer etc. send dual-tone multifrequency Bluetooth signal, and can avoid developing application on mobile phone, there will not be the problem of application program cross-platform, the remote control of Baffle Box of Bluetooth is more simple.
A preferred scheme is, the quantity of the push button signalling that touch-tone signal characterizes is less than 16, when the push button signalling that analysis touch-tone signal characterizes is invalid push button signalling, does not perform audio player operation.
As can be seen here, during application dual-tone multifrequency Bluetooth signal, often do not need application 16 buttons, part button can be set to invalid button, make the remote control of Baffle Box of Bluetooth more flexible.
Further scheme is, Baffle Box of Bluetooth has the audio player operation mode of more than two kinds, and in the push button signalling that touch-tone signal characterizes, at least one is for characterizing switching audio player operation mode.
As can be seen here, by arranging at least one button for characterizing switching audio player operation mode, can realize the switching between multiple modes of operation easily, the control of Baffle Box of Bluetooth is convenient, and humanized.
For realizing another above-mentioned object, the telechiric device of Baffle Box of Bluetooth provided by the invention comprises Bluetooth signal analysis module, receive the Bluetooth signal that remote signal transmitting apparatus sends, frequency analysis is carried out to received Bluetooth signal, judge whether the signal received is touch-tone signal; Push button signalling analysis module, when the Bluetooth signal that judgement receives is touch-tone signal, analyzes the push button signalling that touch-tone signal characterizes; Execution module, perform push button signalling analysis module analyze audio player operation corresponding to the push button signalling that obtains.
From such scheme, analyze the push button signalling that this touch-tone signal characterizes after Baffle Box of Bluetooth receives dual-tone multifrequency Bluetooth signal, perform audio player operation according to this push button signalling, as play next song, regulating volume etc.Because Baffle Box of Bluetooth is controlled by touch-tone signal, mobile phone terminal, without the need to set up applications software, avoids the Develop Application System of mobile phone terminal, and the control ease for use of Baffle Box of Bluetooth is better.
For realizing an above-mentioned object again, the remote signal transmitting apparatus of Baffle Box of Bluetooth provided by the invention comprises button detection module, for detecting the signal that button is pressed; Bluetooth signal sending module, after detection button is pressed, generates the touch-tone signal that this button is corresponding, and by Bluetooth antenna, touch-tone signal corresponding for button is sent to Baffle Box of Bluetooth.
As can be seen here, the remote signal such as mobile phone, panel computer transmitting apparatus sends touch-tone signal as remote signal to Baffle Box of Bluetooth, user only needs the respective keys pressed on mobile phone or panel computer namely can first to the control of Baffle Box of Bluetooth, without the need to using application program to control Baffle Box of Bluetooth, exempt application development cost.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of Baffle Box of Bluetooth and Baffle Box of Bluetooth remote signal transmitting apparatus embodiment of the present invention.
Fig. 2 is the structured flowchart of Baffle Box of Bluetooth telechiric device embodiment of the present invention.
Fig. 3 is the process flow diagram of Baffle Box of Bluetooth remote control thereof embodiment of the present invention.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
Baffle Box of Bluetooth remote control thereof of the present invention is that the equipment that can send Bluetooth signal by mobile phone, panel computer etc. sends dual-tone multifrequency Bluetooth signal to Baffle Box of Bluetooth, by Baffle Box of Bluetooth, analyzing and processing is carried out to the touch-tone signal received, audio player operation is performed, as play next song, regulating volume, suspending and play according to received signal.The telechiric device of Baffle Box of Bluetooth is the software program operated in Baffle Box of Bluetooth, for realizing above-mentioned remote control thereof.
As shown in Figure 1, Bluetooth signal transmitting apparatus 10 of the present invention is provided with button detection module 11 and blue signal transmitting module 12, for sending Bluetooth signal to Baffle Box of Bluetooth 20.Bluetooth signal transmitting apparatus 10 is for having the equipment of Bluetooth signal sending function, and such as bluetooth cellular phone, panel computer etc., it is provided with Bluetooth antenna, and Bluetooth signal sending module 12 sends Bluetooth signal by Bluetooth antenna.
Button detection module 11 is touch screen or key press detecting circuit, for being provided with tablet device, button detection module 11 is touch screen, the tablet device generating virtual keyboards such as mobile phone are also presented on touch screen, touch screen detects the position of user's touch and judges the button that user presses, generate corresponding signal thus, and signal is sent to Bluetooth signal sending module 12.
If Bluetooth signal transmitting apparatus 10 is for having the mobile phone of physical keyboard, then button detection module 11 is key press detecting circuit, whether presses a certain button, and after user presses a certain button, send signal to Bluetooth signal sending module 12 for detecting user.
After Bluetooth signal sending module 12 receives the signal of button detection module 11, send dual-tone multifrequency Bluetooth signal to Baffle Box of Bluetooth 20.The Bluetooth signal receiver module 21 of Baffle Box of Bluetooth 20 receives the signal sent by Bluetooth signal transmitting apparatus 10, and the signal of reception is sent to digital signal processing module 22, digital signal processing module 22 converts the Bluetooth signal of reception to digital signal, and received digital signal is made an explanation, judge the meaning that the Bluetooth signal received characterizes, and perform corresponding audio player operation, and perform the operation of audio frequency broadcasting by audio playing module 23, namely play music.
See Fig. 2, the telechiric device of Baffle Box of Bluetooth comprises Bluetooth signal analysis module 31, push button signalling analysis module 32 and execution module 33, and wherein execution module 33 comprises mode switch module 34.
Bluetooth signal analysis module 31 for analyzing the Bluetooth signal received, as judge Baffle Box of Bluetooth the Bluetooth signal that receives whether dual-tone multifrequency Bluetooth signal, if not being dual-tone multifrequency Bluetooth signal, then do not perform the operation of audio frequency broadcasting.As judge the Bluetooth signal that receives be dual-tone multifrequency Bluetooth signal, then analyzed by push button signalling analysis module 32 pairs of push button signallings, judge which button the push button signalling that the dual-tone multifrequency Bluetooth signal received characterizes is, and push button signalling is sent to execution module 33.
Execution module 33, according to received push button signalling, analyzes the audio operation that this push button signalling characterizes, and as play a upper song, playing next song, increase volume, reducing volume etc., and performs corresponding operation.Preferably, Baffle Box of Bluetooth can arrange two kinds or two or more audio player operation mode, and arranges at least one button and correspond to audio player operation mode switching key.When mode switch module 34 judges that the push button signalling received is, when characterizing the button switching audio player operation mode, carry out the switching of audio player operation mode.
Baffle Box of Bluetooth of the present invention only uses 12 buttons to control, namely use digital keys " 0 " to " 9 ", and two special key " * ", " # ", and be provided with two kinds of audio player operation mode, the meaning of each button under two kinds of operator schemes is as shown in table 2.
Table 2
As seen from Table 2, part button is invalid button, and namely operator scheme 1 time, user is invalid by lower part button, and therefore, execution module 33, when judging that user presses invalid button, does not perform audio player operation.
See Fig. 3, when using Bluetooth signal transmitting apparatus to control Baffle Box of Bluetooth, first send Bluetooth signal by Bluetooth signal transmitting apparatus, namely perform step S1.Certainly, the Bluetooth signal that Bluetooth signal transmitting apparatus sends is dual-tone multifrequency Bluetooth signal, and for controlling the audio player operation of Baffle Box of Bluetooth.
After Baffle Box of Bluetooth receives Bluetooth signal, Bluetooth signal is analyzed, namely perform step S2, and judge whether received Bluetooth signal is dual-tone multifrequency Bluetooth signal, namely performs step S3.In step S3, the frequency of Bluetooth signal analysis module 31 to received Bluetooth signal is analyzed, judge whether the Bluetooth signal frequency received is specific frequency in table 1, specific frequency in table 1 in this way, represents that the Bluetooth signal received is dual-tone multifrequency Bluetooth signal, performs step S4, otherwise, represent that the Bluetooth signal received is not dual-tone multifrequency Bluetooth signal, perform step S5, do not perform the operation that audio frequency is play.
As judge the Bluetooth signal that receives be dual-tone multifrequency Bluetooth signal, in step S4, be made up of the frequency of key analysis module 32 pairs of dual-tone multifrequency Bluetooth signals and analyze, the i.e. concrete frequency of Bluetooth signal that receives of the frequency analysis of the table of comparisons 1, and analyze the received push button signalling corresponding to dual-tone multifrequency Bluetooth signal thus, and performing step S6 by execution module 33, the button corresponding according to push button signalling, the table of comparisons 2 performs corresponding audio player operation.
Certainly, because Baffle Box of Bluetooth has two kinds of different audio player operation mode, as shown in table 2, operator scheme 1 time, perform and play a upper song, play next song, increase the operation such as volume, reduction volume, and operator scheme 2 times, perform the operation selecting play list, therefore the button of a switching operation modes is set, as execution module 33 judges that the button that user presses is the button switching play operation pattern, then the blocked operation of implement either operational mode 1 and operator scheme 2.
In addition, as push button signalling analysis module 32 judges that the button that user presses is invalid button, then execution module 33 does not perform the operation that audio frequency is play.
Because Baffle Box of Bluetooth receives double frequency multitone Bluetooth signal as control signal, therefore the remote control of Baffle Box of Bluetooth does not need to use infrared remote controller, use Bluetooth antenna namely can reception control signal, because Bluetooth signal is not easily interfered, the stability that control signal transmits be better.In addition, as on the mobile phone of Bluetooth signal transmitting apparatus, panel computer without the need to installing special application program, the ease for use of Baffle Box of Bluetooth is better.
Certainly, above-described embodiment is only the preferred embodiment of the present invention, can also have more change during practical application, and such as use all 16 buttons as control button, namely each button is effective button; Or the function of each button can change according to actual needs, and such change does not affect enforcement of the present invention.
Finally it is emphasized that and the invention is not restricted to above-mentioned embodiment, the change such as the change of Bluetooth signal frequency as corresponding in each button, the change of Bluetooth signal transmission device types also should be included in the protection domain of the claims in the present invention.
Claims (9)
1. the remote control thereof of Baffle Box of Bluetooth, is characterized in that, comprising:
Receive the Bluetooth signal that remote signal transmitting apparatus sends, frequency analysis is carried out to received Bluetooth signal, judge whether the signal received is touch-tone signal;
When the Bluetooth signal that judgement receives is touch-tone signal, analyzes the push button signalling that described touch-tone signal characterizes, and perform audio player operation corresponding to described push button signalling.
2. the remote control thereof of Baffle Box of Bluetooth according to claim 1, is characterized in that:
The quantity of the push button signalling that described touch-tone signal characterizes is less than 16;
When to analyze push button signalling that described touch-tone signal characterizes be invalid push button signalling, do not perform audio player operation.
3. the remote control thereof of Baffle Box of Bluetooth according to claim 1 and 2, is characterized in that:
Described Baffle Box of Bluetooth has the audio player operation mode of more than two kinds;
In the push button signalling that described touch-tone signal characterizes, at least one is for characterizing switching audio player operation mode.
4. the remote control thereof of Baffle Box of Bluetooth according to claim 1 and 2, is characterized in that:
When the Bluetooth signal that Baffle Box of Bluetooth judges to receive is not touch-tone signal, do not perform audio player operation.
5. the telechiric device of Baffle Box of Bluetooth, is characterized in that, comprises
Bluetooth signal analysis module, receives the Bluetooth signal that remote signal transmitting apparatus sends, carries out frequency analysis to received Bluetooth signal, judges whether the signal received is touch-tone signal;
Push button signalling analysis module, when the Bluetooth signal that judgement receives is touch-tone signal, analyzes the push button signalling that described touch-tone signal characterizes;
Execution module, perform described push button signalling analysis module analyze audio player operation corresponding to the described push button signalling that obtains.
6. the telechiric device of Baffle Box of Bluetooth according to claim 5, is characterized in that:
The quantity of the push button signalling that described touch-tone signal characterizes is less than 16;
Described push button signalling analysis module analyzes push button signalling that described touch-tone signal characterizes when being invalid push button signalling, and described execution module does not perform audio player operation.
7. the telechiric device of the Baffle Box of Bluetooth according to claim 5 or 6, is characterized in that:
Described Baffle Box of Bluetooth has the audio player operation mode of more than two kinds;
Described execution module comprises mode switch module, when the push button signalling judging that described touch-tone signal characterizes characterizes switching audio player operation mode, performs audio player operation mode blocked operation.
8. the remote signal transmitting apparatus of Baffle Box of Bluetooth, comprises
Button detection module, for detecting the signal that button is pressed;
Bluetooth signal sending module, after detection button is pressed, generates the touch-tone signal that this button is corresponding, and by Bluetooth antenna, described touch-tone signal corresponding for described button is sent to Baffle Box of Bluetooth.
9. the remote signal transmitting apparatus of Baffle Box of Bluetooth according to claim 8, is characterized in that:
Described button detection module is touch screen.
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