CN104320158A - Music playing equipment and system - Google Patents

Music playing equipment and system Download PDF

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Publication number
CN104320158A
CN104320158A CN201410536140.0A CN201410536140A CN104320158A CN 104320158 A CN104320158 A CN 104320158A CN 201410536140 A CN201410536140 A CN 201410536140A CN 104320158 A CN104320158 A CN 104320158A
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China
Prior art keywords
network interface
radio network
playback equipment
signal strength
wireless
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CN201410536140.0A
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CN104320158B (en
Inventor
林尚波
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Abstract

The invention discloses music playing equipment and system and a wireless control method and device. The music playing equipment comprises an electric wire communication PLC modulating-demodulating module, a wireless network port, a processor and a loudspeaker box; the PLC modulating-demodulating module is connected with a power cord and the processor and used for demodulating electric wire communication signals transmitted by the power cord into data signals, modulating data signals received from the processor into electric wire communication signals and transferring to the power cord; the wireless network port is connected with the processor and used for providing a wireless fidelity WI-FI hot spot, receiving control information which is accessed into the control terminal of the network through the WI-FI hot spot, and sending the control information to the processor; the processor is connected with the loudspeaker box and used for receiving data signals from the PLC modulating-demodulating module, receiving control information from the wireless network port and controlling the loudspeaker box according to the data signals and/or control information. The music playing equipment and system can obtain the transmission effect with higher quality and provide broader signal coverage for the control terminal.

Description

A kind of music player devices and system
Technical field
The present invention relates to Computer Applied Technology field, be specifically related to a kind of music player devices and system.
Background technology
Form music system by multiple playback equipment, be just more and more subject to the welcome of consumer.Such as search the wireless music system that SONOS is thought in promise, multiple playback equipment wirelessly (as industrial standards such as IEEE802.11) connects into a private network.Further, this private network provides the outlet (can be connected to one or more router, router be connected with the Internet) of internet-oriented, makes the playback equipment in private network can accesses network music sources.Control terminal (as smart mobile phone, panel computer, PC etc.), after special application software has been installed, the playback equipment in this private network can be accessed, playback equipment is managed, comprise increase and minimizing equipment, search music, create playlist, and the control of various broadcast state.
Generally, in this private network, have a wherein playback equipment and be connected to external network (as the Internet), be connected to router as by wired or wireless mode.Other playback equipment in private network, by this equipment, also can access external network indirectly.Each playback equipment in private network, synchronously can play the Streaming Media music from the Internet; Also synchronously can play the local music on a wherein playback equipment, such as be stored in the music file of this playback equipment inside, or be connected to the music file on the External memory equipment (as USB flash disk, portable hard drive) of playback equipment; It can also be the music pushed by flying the modes such as happy AirPlay (a free audio player), bluetooth or Miracast (wireless protocols of a video sharing).In this private network, each playback equipment, the Streaming Media music that oneself can be obtained from the Internet, or from the music file that local memory device reads, after decoding, be packaged into packet one by one, send to other playback equipment of private network inside, thus realize multiple playback equipment and play same song simultaneously.
In this private network, there is a playback equipment, receive the control command from control terminal (having installed special application software), be converted into the control information in private network again, send to one or more playback equipment, realize the control operation of application software to private network internal unit.Such as, by the application software on control terminal, the volume of one or more playback equipment can be controlled, one or more device plays state can be controlled, etc.
The private network that should be made up of multiple playback equipment, can accept the control of one or more control terminal installing specialized application software simultaneously.Such as, the smart mobile phone of oneself can be connected to same private network by multiple user simultaneously,
When family uses, each playback equipment still needs to be connected with power supply.That is, the what is called " wireless " of each playback equipment refers to the wireless mode of Internet Transmission, but it still has a power line.Wireless transmission no doubt has its convenient, flexible feature, but also must see, wireless transmission can be subject to the restriction of distance, and particularly under some baroque home environments, the Distance geometry quality of wireless transmission can be greatly affected.On the other hand, wireless transmission is also vulnerable to interference.The synchronous broadcasting of multiple playback equipment, needs the network transmission performance of better quality, otherwise there will be sound interruption, card etc. phenomenon, when particularly transmitting the voice data of some high code checks, network transmission quality seems particularly important.Comparatively speaking, cable network is even better in transmission quality.
Existing wireless music system, each playback equipment establishes a private network, but control terminal still needs to be connected with this private network by wireless router.As shown in Figure 1, first playback equipment, the second playback equipment, the 3rd playback equipment, the 4th playback equipment form a wireless music system, wherein the first playback equipment is connected with wireless router, so, control terminal just can be connected with music system by this wireless router, thus controls music system.Be the private network being set up decentralization by procotols such as MESH (wireless mesh network) or AD Hoc (point-to-point) between playback equipment, playback equipment can break away from the signal area restriction of wireless router, distributes wider.But a problem may be there is, in certain region, playback equipment in this region can be connected to private network, but the signal of the wireless router in this region is very weak or do not have, when so control terminal arrives this region, just cannot be connected to wireless music system, also just uncontrollable playback equipment.Still for Fig. 1, suppose that the 4th playback equipment is distant from wireless router, but due to MESH network technology, it still can be connected to private network; , in the region residing for the 4th playback equipment, the quorum sensing inhibitor of wireless router less than, so when smart mobile phone arrives near the 4th playback equipment, just cannot be connected to private network, lose controlling wireless music system.
Based on the feature of the music system of existing many playback equipment compositions, need the problem solving audio data transmission quality and wireless signal coverage.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of music player devices and system, to obtain higher-quality laser propagation effect, and provides wider signal cover for control terminal.
The embodiment of the present invention is by the following technical solutions:
First aspect, embodiments provides a kind of music player devices, comprising:
Power line communication PLC modulation /demodulation module, radio network interface, processor and audio amplifier;
Described PLC modulation /demodulation module is connected with power line and described processor, electric-power wire communication signal for being transmitted by power line is demodulated into data-signal and sends to described processor, is that electric-power wire communication signal imports described power line into by the data signal modulation received from processor;
Described radio network interface is connected with described processor, for providing Wireless Fidelity WI-FI focus for wireless router, to be supplied to the network that control terminal accesses this music player devices place, receive the control information being accessed described network-based control terminal by described WI-FI focus, described control information is sent to described processor;
Described processor is connected with described audio amplifier, for receiving data-signal from described PLC modulation /demodulation module, and from described radio network interface receiving control information, controls described audio amplifier according to described data-signal and/or described control information.
Second aspect, the embodiment of the present invention additionally provides a kind of music playing system, comprising:
At least two playback equipment, PLC modulator-demodulator, wireless router and control terminals as described in above-mentioned first aspect;
Described PLC modulator-demodulator is connected with power line and described wireless router, electric-power wire communication signal for being transmitted by power line is demodulated into data-signal and sends to described wireless router, is that electric-power wire communication signal imports described power line into by the data signal modulation received from wireless router;
Described wireless router is used for providing wireless network signal, to be supplied to the network that control terminal accesses this music playing system place, and receive the control information of the described network-based control terminal of access, described control information is sent to described PLC modulator-demodulator;
Described control terminal, for being accessed the network at this music playing system place by the radio network interface of described wireless router or arbitrary described playback equipment, is sent control information to described network.
The third aspect, the embodiment of the present invention additionally provides a kind of wireless control method, and described method is based on the music playing system as described in above-mentioned second aspect, and described method comprises:
Detect the signal strength signal intensity of the WAP (wireless access point) of described music playing system, wherein said WAP (wireless access point) comprises the wireless router of described music playing system and the radio network interface of each playback equipment;
If the signal strength signal intensity of the current wireless access point of described mobile terminal meets pre-conditioned, then switch the WAP (wireless access point) of described mobile terminal according to detected signal strength signal intensity.
Fourth aspect, the embodiment of the present invention additionally provides a kind of wireless control method, and described method is based on the music playing system as described in above-mentioned second aspect, and described method comprises:
When detecting that control terminal accesses the network at this music player devices place by this radio network interface by described radio network interface, control described radio network interface other music player devices broadcast packets to described network containing the presetting message of this playback equipment mark, to notify other music player devices described;
When being received the presetting message comprising playback equipment mark by described radio network interface, the signal strength signal intensity of playback equipment corresponding to described playback equipment mark is then detected by described radio network interface, if judge, described signal strength signal intensity is less than first threshold, then control described radio network interface and open WI-FI focus function.
5th aspect, the embodiment of the present invention additionally provides a kind of control device of wireless, and described device is placed in the control terminal of the music playing system as described in above-mentioned second aspect, and described device comprises:
Signal strength detection unit, for detecting the signal strength signal intensity of the WAP (wireless access point) of described music playing system, wherein said WAP (wireless access point) comprises the wireless router of described music playing system and the radio network interface of each playback equipment;
WAP (wireless access point) switch unit, if meet pre-conditioned for the signal strength signal intensity of the current wireless access point of described mobile terminal, then switches the WAP (wireless access point) of described mobile terminal according to detected signal strength signal intensity.
6th aspect, the embodiment of the present invention additionally provides a kind of control device of wireless, and described device is placed in each playback equipment of the music playing system as described in above-mentioned second aspect, and described device comprises:
Connect radio unit, for when detecting that control terminal accesses the network at this music player devices place by this radio network interface by described radio network interface, control described radio network interface other music player devices broadcast packets to described network containing the presetting message of this playback equipment mark, to notify other music player devices described;
Focus function opens unit, receive by described radio network interface the presetting message comprising playback equipment mark for working as, the signal strength signal intensity of playback equipment corresponding to described playback equipment mark is then detected by described radio network interface, if judge, described signal strength signal intensity is less than first threshold, then control described radio network interface and open WI-FI focus function.
The Advantageous Effects of the technical scheme that the embodiment of the present invention proposes is:
The embodiment of the present invention is by the music system that forms at multiple playback equipment, utilize the power line that it must connect, cable data network transmission is realized by power line, higher-quality laser propagation effect can be obtained, there is provided the focus of intelligence to cover simultaneously, wider signal cover can be provided for control terminal.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing the embodiment of the present invention 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, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the embodiment of the present invention and these accompanying drawings.
Fig. 1 is existing wireless music system configuration schematic diagram;
Fig. 2 is the music player devices structured flowchart described in the specific embodiment of the invention one;
Fig. 3 is the structural representation of the music playing system described in the specific embodiment of the invention two;
Wireless control method flow chart described in Fig. 4 specific embodiment of the invention three;
Wireless control method flow chart described in Fig. 5 specific embodiment of the invention four;
Control device of wireless structured flowchart described in Fig. 6 specific embodiment of the invention five;
Control device of wireless structured flowchart described in Fig. 7 specific embodiment of the invention six.
Embodiment
The technical problem solved for making the present invention, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those skilled in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Embodiment one
Fig. 2 is the music player devices structured flowchart described in the specific embodiment of the invention one, and as shown in Figure 2, the music player devices described in the present embodiment comprises:
PLC modulation /demodulation module 201, radio network interface 202, processor 203 and audio amplifier 204;
Described PLC modulation /demodulation module 201 is connected with power line and described processor 203, electric-power wire communication signal for being transmitted by power line is demodulated into data-signal and sends to described processor 203, is that electric-power wire communication signal imports described power line into by the data signal modulation received from processor 203;
Described radio network interface 202 is connected with described processor 203, for providing Wireless Fidelity WI-FI focus for wireless router, to be supplied to the network that control terminal accesses this music player devices place, receive the control information being accessed described network-based control terminal by described WI-FI focus, described control information is sent to described processor 203;
Described processor 203 is connected with described audio amplifier 204, for receiving data-signal from described PLC modulation /demodulation module 201, and from described radio network interface 202 receiving control information, according to described data-signal and/or described control information, described audio amplifier 204 is controlled.
It should be noted that, in the music system that multiple playback equipment forms, the necessary connecting power line of each playback equipment, realize cable data network by other playback equipment in power line and this music system to transmit, compared with the playback equipment in existing wireless music system, higher-quality laser propagation effect can be obtained.
In addition, playback equipment described in the present embodiment also comprises radio network interface 202, for wireless router provides Wireless Fidelity WI-FI focus, to be supplied to the network that control terminal accesses this music player devices place, the signal strength signal intensity of the WI-FI focus that can provide according to each playback equipment for described control terminal freely connects, control terminal can be made to break away from signal area restriction, expand the wireless signal coverage of whole music playing system.
Such as, consider that the coverage of above-mentioned wireless router may not reach the region of each playback equipment, cause control terminal cannot accessing private network in the region at some playback equipment place, thus lose the control to private network, described processor 203 also for:
When detecting that control terminal accesses the network at this music player devices place by this radio network interface 202 by described radio network interface 202, control described radio network interface 202 other music player devices broadcast packets to described network containing the presetting message of this playback equipment mark, to notify other music player devices described;
When being received the presetting message comprising playback equipment mark by described radio network interface 202, the signal strength signal intensity of playback equipment corresponding to described playback equipment mark is then detected by described radio network interface 202, if judge, described signal strength signal intensity is less than first threshold, then control described radio network interface 202 and open WI-FI focus function.
Further, in order to save the energy, and extend the useful life of radio network interface, reduce radiation, described processor 203 also for, after described radio network interface 202 opens WI-FI focus function in control, control every random time the signal strength signal intensity that described radio network interface 202 detects playback equipment corresponding to described playback equipment mark, if judge, described signal strength signal intensity is greater than Second Threshold, then control described radio network interface 202 and close WI-FI focus function.
It should be noted that, the audio amplifier 204 described in the present embodiment is identical with audio amplifier of the prior art, such as, can specifically comprise memory, audio processing modules and loud speaker.
Described memory is used for storing software program, and configuration data, and broadcast information (as playlist) etc.;
Described audio processing modules can comprise D/A conversion circuit, and power amplification circuit;
Described loud speaker can comprise sound-reducing unit, for the digital signal of sound is converted into sound wave.
Now, the order of reception, for receiving the control command of automatic network and control terminal, is converted to corresponding control action by described processor 203 module; Receive the voice data of automatic network, the voice data of reception is restored sound by audio-frequency module, and by giving other playback equipments in this music playing system of forwarded.Further, described processor 203 module also possesses the decoding function of audio frequency, can obtain stream medium data from the Internet, after decoding except self plays, also gives other playback equipment by Internet Transmission.
The present embodiment utilizes the power line that in music playing system, each playback equipment must connect, cable data network transmission is realized by power line, higher-quality laser propagation effect can be obtained, on each playback equipment, provide the focus of intelligence to cover simultaneously, wider signal cover can be provided for control terminal.
Embodiment two
Fig. 3 is the structural representation of the music playing system described in the specific embodiment of the invention two, and as shown in Figure 3, the music playing system described in the present embodiment comprises:
At least two playback equipments (the first playback equipment 3011, second playback equipment 3012 as shown in Figure 3, the 3rd playback equipment 3013, the 4th playback equipment 3014) as described in embodiment one, PLC modulator-demodulator 302, wireless router 303 and control terminal 304;
Described PLC modulator-demodulator 302 is connected with power line and described wireless router 303, electric-power wire communication signal for being transmitted by power line is demodulated into data-signal and sends to described wireless router 303, is that electric-power wire communication signal imports described power line into by the data signal modulation received from wireless router 303;
Described wireless router 303 is for providing wireless network signal, to be supplied to the network that control terminal 304 accesses this music playing system place, and receive the control information of the described network-based control terminal 304 of access, described control information is sent to described PLC modulator-demodulator 302;
Described control terminal 304, for being accessed the network at this music playing system place by the radio network interface 202 of described wireless router 303 or arbitrary described playback equipment, is sent control information to described network.
It should be noted that, control terminal described in the present embodiment is the mobile terminal with wireless network access function, and such as smart mobile phone, net have the remote controller of wireless network module, intelligent wearable device (as Intelligent bracelet, intelligent glasses, intelligent watch etc.) etc.
Those skilled in the art it should be explicitly made clear at this point, the number of the playback equipment that the music playing system described in the present embodiment comprises is two or more, includes but not limited to the first playback equipment 3011, second playback equipment 3012 as shown in Figure 3, the 3rd playback equipment 3013, these four playback equipments of the 4th playback equipment 3014.
It should be noted that, the local area network (LAN) of the music playing system described in the present embodiment can based on but be not limited to Ethernet protocol, network transmission signal is modulated on power line and transmits.Because utilize power line to set up Ethernet, ripe technology, thus, the music system of multiple playback equipment composition in the present embodiment, because be based on wire transmission voice data and control command, the quality of transmission is greatly improved relative to wireless networking form.
Meanwhile, wireless router 303, by after PLC (power line communication) modulator-demodulator, also can be linked into the private network of multiple playback equipment composition.So, each playback equipment in music system can be connected by wireless router and the Internet; Meanwhile, the private network that control terminal (as smart mobile phone, panel computer etc.) also can consist of wireless router and multiple playback equipment connects.It should be noted that, if wireless router itself is integrated with PLC modulation /demodulation function, then can omit PLC modulator-demodulator.
The present embodiment is by the music system that forms at multiple playback equipment, utilize the power line that it must connect, cable data network transmission is realized by power line, higher-quality laser propagation effect can be obtained, there is provided the focus of intelligence to cover simultaneously, wider signal cover can be provided for control terminal.
Embodiment three
Wireless control method flow chart described in Fig. 4 specific embodiment of the invention three, the present embodiment is applicable in the music playing system described in embodiment two, control terminal switches the situation of WAP (wireless access point) according to detected signal strength signal intensity, and the method can be performed by the control device of wireless of the control terminal being placed in music playing system.
It should be noted that, control terminal described in the present embodiment is the mobile terminal with wireless network access function, and such as smart mobile phone, net have the remote controller of wireless network module, intelligent wearable device (as Intelligent bracelet, intelligent glasses, intelligent watch etc.) etc.
As shown in Figure 4, the wireless control method described in the present embodiment comprises:
Step S401, detect the signal strength signal intensity of the WAP (wireless access point) of described music playing system.
Wherein said WAP (wireless access point) comprises the wireless router of described music playing system and the radio network interface of each playback equipment.
This step is considered in the local area network (LAN) that each playback equipment forms, the coverage of wireless router may not reach the region of each playback equipment, cause control terminal cannot accessing private network in the region at some playback equipment place, thus lose the problem of the control to private network, control terminal detects the signal strength signal intensity of the WAP (wireless access point) of described music playing system, carry out the operations such as cutting point switching according to described signal strength signal intensity, be linked into well all the time in described local area network (LAN) to make described control terminal.
Particularly, the operation that control terminal detects the signal strength signal intensity of the WAP (wireless access point) of described music playing system can comprise multiple, such as, control terminal periodically detects the signal strength signal intensity of each WAP (wireless access point) of described music playing system, or control terminal is every random time alternately or the signal strength signal intensity of WAP (wireless access point) detecting described music playing system randomly.Wherein, time delay random time detects again, and each playback equipment can be avoided to detect simultaneously and cause closing focus simultaneously, can improve the probability that control terminal is linked into WI-FI.
If the signal strength signal intensity of the current wireless access point of the described mobile terminal of step S402 meets pre-conditioned, then switch the WAP (wireless access point) of described mobile terminal according to detected signal strength signal intensity.
Such as, this step can specifically comprise: if the signal strength signal intensity of the WAP (wireless access point) detected is greater than the first predetermined threshold value divided by the end value of the signal strength signal intensity of the current wireless access point of described mobile terminal, then control described mobile terminal and connect WAP (wireless access point) corresponding to the signal strength signal intensity of described detection.
And for example, if the signal strength signal intensity that this step also specifically can comprise the WAP (wireless access point) detected is less than the second pre-set threshold value, then controls described mobile terminal and connect WAP (wireless access point) corresponding to the maximum signal of described detection.
Above-mentioned two kinds of concrete schemes can adopt separately, also can in conjunction with employing.
The present embodiment is by the music system that forms at multiple playback equipment, utilize the power line that it must connect, cable data network transmission is realized by power line, higher-quality laser propagation effect can be obtained, there is provided the focus of intelligence to cover simultaneously, the signal strength signal intensity of current WAP (wireless access point) is detected by control terminal, if the signal strength signal intensity of the current wireless access point of described mobile terminal meets pre-conditioned, then switch the WAP (wireless access point) of described mobile terminal according to detected signal strength signal intensity, wider signal cover can be provided for control terminal.
Embodiment four
Wireless control method flow chart described in Fig. 5 specific embodiment of the invention four, the present embodiment is applicable in the music playing system described in embodiment two, the situation that the WI-FI focus function that each playback equipment signal strength signal intensity current according to control terminal is carried out message informing and controlled self is closed or opened, the method can be performed by the control device of wireless of each playback equipment being placed in music playing system, as shown in Figure 5, the wireless control method described in the present embodiment comprises:
Step S501, when detecting that control terminal accesses the network at this music player devices place by this radio network interface by described radio network interface, control described radio network interface other music player devices broadcast packets to described network containing the presetting message of this playback equipment mark, to notify other music player devices described.
Playback equipment mark described in the present embodiment can be this playback equipment mark, SSID (the Service Set Identifier of the wireless network terminating mouth of such as playback equipment, service set), as long as there is a playback equipment to receive this information, namely this playback equipment notifies other playback equipment by private network.
Wherein SSID is used for distinguishing different networks, and can have at most 32 characters, wireless network card is provided with different SSID just can enter heterogeneous networks, and SSID is broadcast out by AP usually, and the scan function carried by XP can see the SSID in current region mutually.
Step S502, when received by described radio network interface comprise playback equipment mark presetting message, the signal strength signal intensity of playback equipment corresponding to described playback equipment mark is then detected by described radio network interface, if judge, described signal strength signal intensity is less than first threshold, then control described radio network interface and open WI-FI focus function.
Such as, playback equipment passes through radio network interface, detect the signal strength signal intensity of wireless router corresponding to above-mentioned SSID, if the signal strength signal intensity of this wireless router is less than certain value (as being less than 10%), then open the hotspot function of its radio network interface.
Further, in order to save the energy, and extend the useful life of radio network interface, reduce radiation, can after opening WI-FI focus function at the described radio network interface of control, control every random time the signal strength signal intensity that described radio network interface detects playback equipment corresponding to described playback equipment mark, if judge, described signal strength signal intensity is greater than Second Threshold, then control described radio network interface and close WI-FI focus function.
Such as, the SSID of the hotspot of each playback equipment, according to unified naming rule, is made up of two parts, and form is as MMMM_xxxx, and wherein MMMM is prefix part, is consistent product name, as NETPLAY; Xxxx is suffix portion, for distinguishing each playback equipment, can be the MAC Address of each playback equipment, or a string non-repetitive random or order digital coding.
After completing above-mentioned action, each playback equipment time delay random time (random times such as between 1 second to 100 seconds), then by the radio network interface of playback equipment, detect the WI-FI focus signal strength signal intensity that SSID is above-mentioned naming rule, there is the above-mentioned focus that signal strength signal intensity is greater than certain threshold values (as 80%) as found, then the WI-FI focus of self is closed.Herein, time delay random time, in detection, is detect in order to avoid each playback equipment simultaneously and cause closing focus simultaneously.
So far, there has been the wireless signal that can supply control terminal accessing private network in the region at each playback equipment place.Be the signal of wireless router, or be the focus wireless signal that playback equipment provides.
The present embodiment is by the music system that forms at multiple playback equipment, utilize the power line that it must connect, cable data network transmission is realized by power line, higher-quality laser propagation effect can be obtained, the situation that the WI-FI focus function of simultaneously carrying out message informing by the signal strength signal intensity that each playback equipment is current according to control terminal and control self is closed or opened, can provide the focus of intelligence to cover for control terminal.
Embodiment five
Control device of wireless structured flowchart described in Fig. 6 specific embodiment of the invention five, device described in the present embodiment is placed in the control terminal of the music playing system as described in embodiment two, and as shown in Figure 6, the control device of wireless described in the present embodiment comprises:
Signal strength detection unit 601, for detecting the signal strength signal intensity of the WAP (wireless access point) of described music playing system, wherein said WAP (wireless access point) comprises the wireless router of described music playing system and the radio network interface of each playback equipment;
WAP (wireless access point) switch unit 602, if meet pre-conditioned for the signal strength signal intensity of the current wireless access point of described mobile terminal, then switches the WAP (wireless access point) of described mobile terminal according to detected signal strength signal intensity.
Further, described signal strength detection unit 601 specifically for the signal strength signal intensity that periodically detects each WAP (wireless access point) of described music playing system, or every random time alternately or the signal strength signal intensity of WAP (wireless access point) detecting described music playing system randomly.
Further, described WAP (wireless access point) switch unit 602 specifically for:
If the signal strength signal intensity of the WAP (wireless access point) detected is greater than the first predetermined threshold value divided by the signal strength signal intensity of the current wireless access point of described mobile terminal, then controls described mobile terminal and connect WAP (wireless access point) corresponding to the signal strength signal intensity of described detection; And/or
If the signal strength signal intensity of the WAP (wireless access point) detected is less than the second pre-set threshold value, then controls described mobile terminal and connect WAP (wireless access point) corresponding to the maximum signal of described detection.
The control device of wireless that the present embodiment provides can perform the wireless control method that the embodiment of the present invention three provides, and possesses the corresponding functional module of manner of execution and beneficial effect.
Embodiment six
Control device of wireless structured flowchart described in Fig. 7 specific embodiment of the invention six, device described in the present embodiment is placed in each playback equipment of the music playing system as described in embodiment two, and as shown in Figure 7, the control device of wireless described in the present embodiment comprises:
Connect radio unit 701, for when detecting that control terminal accesses the network at this music player devices place by this radio network interface by described radio network interface, control described radio network interface other music player devices broadcast packets to described network containing the presetting message of this playback equipment mark, to notify other music player devices described;
Focus function opens unit 702, receive by described radio network interface the presetting message comprising playback equipment mark for working as, the signal strength signal intensity of playback equipment corresponding to described playback equipment mark is then detected by described radio network interface, if judge, described signal strength signal intensity is less than first threshold, then control described radio network interface and open WI-FI focus function.
Further, described device also comprises focus function closing unit 703, after opening WI-FI focus function at the described radio network interface of control, the signal strength signal intensity that described radio network interface detects playback equipment corresponding to described playback equipment mark is controlled every random time, if judge, described signal strength signal intensity is greater than Second Threshold, then control described radio network interface and close WI-FI focus function.
The control device of wireless that the present embodiment provides can perform the wireless control method that the embodiment of the present invention four provides, and possesses the corresponding functional module of manner of execution and beneficial effect.
All or part of content in the technical scheme that above embodiment provides can be realized by software programming, and its software program is stored in the storage medium that can read, storage medium such as: the hard disk in computer, CD or floppy disk.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.

Claims (14)

1. a music player devices, is characterized in that, comprising:
Power line communication PLC modulation /demodulation module, radio network interface, processor and audio amplifier;
Described PLC modulation /demodulation module is connected with power line and described processor, electric-power wire communication signal for being transmitted by power line is demodulated into data-signal and sends to described processor, is that electric-power wire communication signal imports described power line into by the data signal modulation received from processor;
Described radio network interface is connected with described processor, for providing Wireless Fidelity WI-FI focus for wireless router, to be supplied to the network that control terminal accesses this music player devices place, receive the control information being accessed described network-based control terminal by described WI-FI focus, described control information is sent to described processor;
Described processor is connected with described audio amplifier, for receiving data-signal from described PLC modulation /demodulation module, and from described radio network interface receiving control information, controls described audio amplifier according to described data-signal and/or described control information.
2. music player devices as claimed in claim 1, is characterized in that, described processor also for:
When detecting that control terminal accesses the network at this music player devices place by this radio network interface by described radio network interface, control described radio network interface other music player devices broadcast packets to described network containing the presetting message of this playback equipment mark, to notify other music player devices described;
When being received the presetting message comprising playback equipment mark by described radio network interface, the signal strength signal intensity of playback equipment corresponding to described playback equipment mark is then detected by described radio network interface, if judge, described signal strength signal intensity is less than first threshold, then control described radio network interface and open WI-FI focus function.
3. music player devices as claimed in claim 2, it is characterized in that, described processor also for, after the described radio network interface of control opens WI-FI focus function, the signal strength signal intensity that described radio network interface detects playback equipment corresponding to described playback equipment mark is controlled every random time, if judge, described signal strength signal intensity is greater than Second Threshold, then control described radio network interface and close WI-FI focus function.
4. a music playing system, is characterized in that, comprising:
At least two as arbitrary in claim 1-3 as described in playback equipment, PLC modulator-demodulator, wireless router and control terminal;
Described PLC modulator-demodulator is connected with power line and described wireless router, electric-power wire communication signal for being transmitted by power line is demodulated into data-signal and sends to described wireless router, is that electric-power wire communication signal imports described power line into by the data signal modulation received from wireless router;
Described wireless router is used for providing wireless network signal, to be supplied to the network that control terminal accesses this music playing system place, and receive the control information of the described network-based control terminal of access, described control information is sent to described PLC modulator-demodulator;
Described control terminal, for being accessed the network at this music playing system place by the radio network interface of described wireless router or arbitrary described playback equipment, is sent control information to described network.
5. a wireless control method, is characterized in that, described method is based on music playing system as claimed in claim 4, and described method comprises:
Detect the signal strength signal intensity of the WAP (wireless access point) of described music playing system, wherein said WAP (wireless access point) comprises the wireless router of described music playing system and the radio network interface of each playback equipment;
If the signal strength signal intensity of the current wireless access point of described mobile terminal meets pre-conditioned, then switch the WAP (wireless access point) of described mobile terminal according to detected signal strength signal intensity.
6. wireless control method as claimed in claim 5, it is characterized in that, the operation detecting the signal strength signal intensity of the WAP (wireless access point) of described music playing system specifically comprises: the signal strength signal intensity periodically detecting each WAP (wireless access point) of described music playing system, or every random time alternately or the signal strength signal intensity of WAP (wireless access point) detecting described music playing system randomly.
7. the wireless control method as described in claim 5 or 6, it is characterized in that, if the signal strength signal intensity of the current wireless access point of described mobile terminal meets pre-conditioned, then the operation switching the WAP (wireless access point) of described mobile terminal according to detected signal strength signal intensity specifically comprises:
If the signal strength signal intensity of the WAP (wireless access point) detected is greater than the first predetermined threshold value divided by the end value of the signal strength signal intensity of the current wireless access point of described mobile terminal, then controls described mobile terminal and connect WAP (wireless access point) corresponding to the signal strength signal intensity of described detection; And/or
If the signal strength signal intensity of the WAP (wireless access point) detected is less than the second pre-set threshold value, then controls described mobile terminal and connect WAP (wireless access point) corresponding to the maximum signal of described detection.
8. a wireless control method, is characterized in that, described method is based on music playing system as claimed in claim 4, and described method comprises:
When detecting that control terminal accesses the network at this music player devices place by this radio network interface by described radio network interface, control described radio network interface other music player devices broadcast packets to described network containing the presetting message of this playback equipment mark, to notify other music player devices described;
When being received the presetting message comprising playback equipment mark by described radio network interface, the signal strength signal intensity of playback equipment corresponding to described playback equipment mark is then detected by described radio network interface, if judge, described signal strength signal intensity is less than first threshold, then control described radio network interface and open WI-FI focus function.
9. wireless control method as claimed in claim 8, it is characterized in that, after the described radio network interface of control opens WI-FI focus function, the signal strength signal intensity that described radio network interface detects playback equipment corresponding to described playback equipment mark is controlled every random time, if judge, described signal strength signal intensity is greater than Second Threshold, then control described radio network interface and close WI-FI focus function.
10. a control device of wireless, is characterized in that, described device is placed in the control terminal of music playing system as claimed in claim 4, and described device comprises:
Signal strength detection unit, for detecting the signal strength signal intensity of the WAP (wireless access point) of described music playing system, wherein said WAP (wireless access point) comprises the wireless router of described music playing system and the radio network interface of each playback equipment;
WAP (wireless access point) switch unit, if meet pre-conditioned for the signal strength signal intensity of the current wireless access point of described mobile terminal, then switches the WAP (wireless access point) of described mobile terminal according to detected signal strength signal intensity.
11. control device of wireless as claimed in claim 10, it is characterized in that, described signal strength detection unit specifically for the signal strength signal intensity that periodically detects each WAP (wireless access point) of described music playing system, or every random time alternately or the signal strength signal intensity of WAP (wireless access point) detecting described music playing system randomly.
12. control device of wireless as described in claim 10 or 11, is characterized in that, described WAP (wireless access point) switch unit specifically for:
If the signal strength signal intensity of the WAP (wireless access point) detected is greater than the first predetermined threshold value divided by the signal strength signal intensity of the current wireless access point of described mobile terminal, then controls described mobile terminal and connect WAP (wireless access point) corresponding to the signal strength signal intensity of described detection; And/or
If the signal strength signal intensity of the WAP (wireless access point) detected is less than the second pre-set threshold value, then controls described mobile terminal and connect WAP (wireless access point) corresponding to the maximum signal of described detection.
13. 1 kinds of control device of wireless, is characterized in that, described device is placed in each playback equipment of music playing system as claimed in claim 4, and described device comprises:
Connect radio unit, for when detecting that control terminal accesses the network at this music player devices place by this radio network interface by described radio network interface, control described radio network interface other music player devices broadcast packets to described network containing the presetting message of this playback equipment mark, to notify other music player devices described;
Focus function opens unit, receive by described radio network interface the presetting message comprising playback equipment mark for working as, the signal strength signal intensity of playback equipment corresponding to described playback equipment mark is then detected by described radio network interface, if judge, described signal strength signal intensity is less than first threshold, then control described radio network interface and open WI-FI focus function.
14. control device of wireless as claimed in claim 13, it is characterized in that, described device also comprises focus function closing unit, after opening WI-FI focus function at the described radio network interface of control, the signal strength signal intensity that described radio network interface detects playback equipment corresponding to described playback equipment mark is controlled every random time, if judge, described signal strength signal intensity is greater than Second Threshold, then control described radio network interface and close WI-FI focus function.
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