CN105846865A - Methods, devices and systems for bluetooth audio transmission - Google Patents
Methods, devices and systems for bluetooth audio transmission Download PDFInfo
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- CN105846865A CN105846865A CN201510872812.XA CN201510872812A CN105846865A CN 105846865 A CN105846865 A CN 105846865A CN 201510872812 A CN201510872812 A CN 201510872812A CN 105846865 A CN105846865 A CN 105846865A
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- 238000000034 method Methods 0.000 title claims description 42
- 230000005540 biological transmission Effects 0.000 title claims description 21
- 238000003860 storage Methods 0.000 claims description 7
- 241001062009 Indigofera Species 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 3
- 230000005059 dormancy Effects 0.000 claims 2
- 230000002618 waking effect Effects 0.000 claims 2
- 238000004891 communication Methods 0.000 description 30
- 230000006870 function Effects 0.000 description 26
- 230000008859 change Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 230000000875 corresponding effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000005236 sound signal Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000004353 relayed correlation spectroscopy Methods 0.000 description 3
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2805—Home Audio Video Interoperability [HAVI] networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2838—Distribution of signals within a home automation network, e.g. involving splitting/multiplexing signals to/from different paths
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Automation & Control Theory (AREA)
- Telephone Function (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
A device for providing audio data to a plurality of Bluetooth audio devices is provided. The device includes one or more Bluetooth transceivers for communicating with the plurality of bluetooth audio devices, at least one network interface, one or more processors, and a memory for storing instructions executable by the one or more processors. The one or more processors may be configured to receive the audio data via the at least one network interface, decode the audio data for audio playing, and transmit the decoded audio data to the plurality of bluetooth audio devices via the one or more bluetooth transceivers.
Description
Cross-Reference to Related Applications
The application based on and require to submit on October 21st, 2015 entitled " METHODS,
DEVICES AND SYSTEMS FOR BLUETOOTH AUDIO
TRANSMISSION " the priority of U. S. application the 14/919,124th.U. S. application
No. 14/919,124 based on and require to submit on July 2nd, 2015 entitled " METHODS,
DEVICES AND SYSTEMS FOR BLUETOOTH AUDIO
TRANSMISSION " the priority of U.S. Provisional Application No. 62/187,956.U. S. application
No. 14/919,124 or entitled " METHODS, the DEVICES that submit on March 5th, 2015
AND SYSTEMS FOR INCREASING WIRELESS COMMUNICATION
RANGE " the part continuation application of application the 14/639th, 711, apply for the 14/639th, No. 711 base
In and require on January 30th, 2015 submit to entitled " METHODS, DEVICES AND
SYSTEMS FOR INCREASING WIRELESS COMMUNICATION
RANGE " provisional application the 62/110,250th and on January 30th, 2015 submit to entitled
The provisional application of " BLUETOOTH TRANSPARENT RELAY " the 62/110,262nd
The rights and interests of priority.The topic that U. S. application the 14/919,124th or on July 1st, 2015 submit to
For " METHODS, DEVICES AND SYSTEMS FOR SUPPORTING
WIRELESS COMMUNICATION " application the 14/789,614th part continue Shen
Please, application the 14/789th, No. 614 based on and require on January 30th, 2015 submit to entitled
“METHODS,DEVICES AND SYSTEMS FOR INCREASING
WIRELESS COMMUNICATION RANGE " provisional application the 62/110,250th
With entitled " the BLUETOOTH TRANSPARENT submitted on January 30th, 2015
RELAY " the rights and interests of priority of provisional application the 62/110,262nd.Including U. S. application
No. 14/919,124, No. 14/639,711, No. 14/789,614, No. 62/110,250,
No. 62/110,262 and No. 62/187,956 interior above-mentioned U.S. Patent application whole in
Appearance is incorporated herein by.
Technical field
The disclosure relates in general to the field of Bluetooth communication, and more particularly relates to Bluetooth audio frequency biography
Defeated method, apparatus and system.
Background technology
Bluetooth equipment such as bluetooth loudspeaker, smart mobile phone, smart lock are widely used in many application.
Traditionally, have Bluetooth function client device such as smart phone can in short communication range with indigo plant
Tooth equipment such as bluetooth loudspeaker or earphone communication, described short communication range is typically little in room area
In ten meters.If wall is between bluetooth equipment and client device, then usual Bluetooth transmission is not
Penetrate wall, and as result, may will not set up logical between bluetooth equipment and client device
Letter.
When given when, bluetooth equipment can be controlled by single client device, and possibly cannot
Controlled by multiple client devices simultaneously.In order to bluetooth equipment is controlled client device switching from current
Controlling client device to another, the user being associated with current control client device may need end
The most current connection controlled between client device and bluetooth equipment, so that another client sets subsequently
For matching to obtain the control to bluetooth equipment with bluetooth equipment.Additionally, there are multiple indigo plant
In the case of tooth equipment and each bluetooth equipment are associated with single application programming interfaces, client
The user of equipment may must start up multiple different application program to control multiple bluetooth equipment.
Accordingly, it would be desirable to expand the communication range of bluetooth equipment without the transmission increasing bluetooth equipment
Power or production cost.It is also desirable to allow multiple client device to control bluetooth equipment simultaneously,
And provide the user unified application programming interfaces to manage bluetooth equipment simultaneously.
Summary of the invention
Present disclose provides a kind of equipment for providing voice data to multiple Bluetooth audio equipments.Symbol
Unifying a little embodiment, this equipment includes: be used for communicated with multiple Bluetooth audio equipments
Or multiple bluetooth transceiver；At least one network interface；One or more processors；And be used for depositing
The memorizer of the instruction that storage can be performed by one or more processors.One or more processor is permissible
It is configured to: receive voice data via at least one network interface；Voice data is decoded with
Play for audio frequency；And via one or more bluetooth transceivers will be decoded voice data transmission
To multiple Bluetooth audio equipments.
Meet some embodiments, present disclose provides a kind of for providing to multiple Bluetooth audio equipments
The method of voice data.The method includes: via at least one network interface to receive voice data,
It is decoded voice data playing for audio frequency and inciting somebody to action via one or more bluetooth transceivers
The voice data decoded is transferred to multiple Bluetooth audio equipment.
Meet some embodiments, present disclose provides another kind of for carrying to multiple Bluetooth audio equipments
Equipment for voice data.This equipment includes: be used for communicated with multiple Bluetooth audio equipments
Individual or multiple bluetooth transceivers；Antenna；Radio frequency (RF) front end system, it is communicatively coupled to receive
Send out device and antenna；At least one network interface；One or more processors；And memorizer, it is used for
The instruction that storage can be performed by one or more processors.Radio-frequency front-end system includes: radio frequency sampling block,
It is coupled to one or more bluetooth transceiver and is configured to receive from one or more bluetooths
Send out the signal that receives of device and carry out sampling output voltage signal；Radio frequency switch logic, it is coupled to
Radio frequency sampling block is to receive voltage signal and to be configured to cut between emission mode and reception pattern
Change radio-frequency front-end system；Radio frequency transmission gain block, it is coupled to radio frequency switch logic and is configured
One-tenth makes the through-put power increase of the signal received from one or more bluetooth transceivers；And radio frequency connects
Receiving gain block, it is coupled to radio frequency switch logic and is configured to suppression from penetrating that antenna receives
Frequently the noise signal included in signal；One or more processors may be configured to via at least one
Individual network interface receive voice data, voice data is decoded for audio frequency play and
Via one or more bluetooth transceivers, the voice data decoded is transferred to multiple Bluetooth audio frequency set
Standby.
Meet some embodiments, present disclose provides another kind of for carrying to multiple Bluetooth audio equipments
Equipment for voice data.This equipment includes: configurable antenna system, including multiple antenna elements；
For the one or more bluetooth transceivers communicated with multiple Bluetooth audio equipments；Antenna logic system
System, it is communicatively coupled to one or more bluetooth transceiver and configurable antenna system；At least one
Network interface；One or more processors；And can be performed by one or more processors for storage
The memorizer of instruction.Each antenna element can be opened or closed and join to produce different antennas
Put.One or more bluetooth transceivers may be configured to generate reception letter for each antenna configurations
Number intensity instruction (RSSI).Received signal strength indicator can be based on receiving from client device
Signal and generate.Antenna logic system may be configured to；Receive from one or more bluetooth transceivers
Received signal strength indicator for each antenna configurations；Come at antenna based on received signal strength indicator
Configuration selects antenna configurations；And the antenna configurations selected by utilizing configures configurable antenna system
System.One or more processors may be configured to: via at least one network interface to receive audio frequency
Data；It is decoded voice data playing for audio frequency；And receive via one or more bluetooths
Send out device and the voice data decoded is transferred to multiple Bluetooth audio equipment.
To partly illustrate the other objects and advantages of the disclosure, and this in the following detailed description
Disclosed other objects and advantages partly will be apparent from according to description or can pass through the disclosure
Practice know.The purpose of the disclosure and advantage will be by means of particularly pointing out in the following claims
Key element and combination realize and reach.
Should be appreciated that above general description with the following detailed description is all exemplary and explanation
Property, not as claimed in claim as limit the present invention.
Accompanying drawing explanation
Constitute the accompanying drawing of a part of this specification and show some embodiments, and with description one
Rise and be used for explaining disclosed principle.
Fig. 1 shows the exemplary system environment for realizing meeting disclosed method and system.
Fig. 2 shows the block diagram of the bluetooth hub according to embodiment of the present disclosure.
Fig. 3 show according to embodiment of the present disclosure for by bluetooth hub produce cincture
The exemplary diagram of stereosonic method.
Fig. 4 shows the user interface for managing bluetooth equipment according to embodiment of the present disclosure
Exemplary diagram.
Fig. 5 shows the user interface for managing bluetooth equipment according to embodiment of the present disclosure
Another exemplary figure.
Fig. 6 show according to embodiment of the present disclosure for utilizing bluetooth equipment to play music
The exemplary diagram of user interface.
Fig. 7 shows the user interface for controlling bluetooth equipment according to embodiment of the present disclosure
Exemplary diagram.
Fig. 8 shows will be broadcast for selection according to embodiment of the present disclosure by bluetooth equipment
The exemplary diagram of the user interface of the music put.
Fig. 9 be according to embodiment of the present disclosure for multiple bluetooth equipments provide voice data
The flow chart of illustrative methods.
Figure 10 be according to embodiment of the present disclosure for receiving audio frequency number by bluetooth hub
According to the flow chart of illustrative methods.
Figure 11 be according to embodiment of the present disclosure for being produced around vertical by bluetooth hub
The flow chart of the illustrative methods of body sound effective value.
Detailed description of the invention
Will be described with reference to the accompanying drawings illustrative embodiments.In the drawings, the leftmost number of reference
Sign knows the figure occurring this reference first.For convenience, use in whole accompanying drawing identical
Reference refer to same or analogous part.Although being described herein disclosed principle
Example and feature, but in the case of the spirit and scope without departing from disclosed embodiment, repair
Change, adaptations and other implementations are also possible.Additionally, word " includes ", " having ",
" contain " and be intended to meaning equivalent with " comprising " and other similar forms and for open, result
For: the one or more projects after any one in these words do not mean that such a or multiple
The full list of project, or do not mean that the one or more projects being limited to only list.Must also
It is noted that as used in this paper and claims, unless the context,
Otherwise singulative " ", " one " and " being somebody's turn to do " include plural reference.Detailed description below is intended to
In being considered merely exemplary, real scope and spirit are pointed out by claim below.
Set forth shown parts and step to explain shown illustrative embodiments, and should
When it is contemplated that lasting technological development will change the mode performing specific function.These are real in this article
The mode of executing is presented for descriptive purpose, and the purpose being not intended to limit.Additionally, in order to just
In description, the most arbitrarily define the border of building blocks of function module.If the function specified and
Relation is duly executed, then can define substituting border.Based on teaching contained herein,
Substitute object (include those described herein equivalent, extend, change, deviation etc.) for being correlated with
Skilled person will be apparent from.Such replacement object falls into the scope of disclosed embodiment
With in spirit.
Fig. 1 shows the exemplary system environment for realizing meeting disclosed method and system
100.System environments 100 shown in Fig. 1 include client device 110 and 115, hub 120,
Non-bluetooth devices 130 and 135, it is attached respectively to the Bluetooth adapter of non-bluetooth devices 130 and 135
131 and 136, bluetooth equipment 140 and 145 and network 150.In the disclosure, client sets
The standby user referring to be provided with for client device performs to access bluetooth equipment or control
The electronic equipment of user interface.Client device can be smart phone, tablet PC, computer,
Laptop computer, intelligent watch, television set or there are other electronics of screen and operating system set
Standby.In some embodiments, client device can be configured with permission client device transmitting or connect
Receive the blue tooth interface of Bluetooth signal.In other embodiments, client device may be not configured with indigo plant
Tooth interface and may not launch or receive Bluetooth signal.Bluetooth equipment 140 and 145 can be
Speaker, earphone, mike, lamp, printer, intelligent watch, photographing unit, television set, display
Device, include wrist strap, pedometer, movable tracker, sleep tracker, the Wearable of scale
Deng.Non-bluetooth devices 130 and 135 can be any kind of electronic equipment above-mentioned, different
Part is that non-bluetooth devices does not include internal Bluetooth communication interface.System environments 100 can also include
Bluetooth equipment, non-bluetooth devices or the client of number more more or less than the equipment shown in Fig. 1 set
Standby.
As it is shown in figure 1, client device 110 can be connected to hub by wireless communication link
120.Such as, client device 110 can be to use Bluetooth communication protocol to carry out with hub 120
The client device with Bluetooth function of communication.Client device 110 can also use other nothing
Line communication protocol such as ZigBee, WiFi etc. communicate with hub 120.When having
Having between the client device of Bluetooth function and bluetooth equipment and set up when communicating, hub 120 can be from
The client device (such as client device 110) with Bluetooth function receives radio signal, place
Signal received by reason and corresponding radio signal is sent to bluetooth equipment (such as bluetooth sets
Standby 145) so that communication can be set up by hub 120.Hub 120 is also referred to as
Router, and in the disclosure, term hub and router are intended to intercourse.
In some embodiments, hub 120 can also support have the client of Bluetooth function
Communication between equipment and non-bluetooth devices.Such as, Bluetooth adapter (such as Bluetooth adapter 136)
Can be attached to non-bluetooth devices (such as equipment 135), hub 120 can be adaptive by bluetooth
Device sends to non-bluetooth devices and/or receives Bluetooth signal.Such as, Bluetooth adapter may be coupled to
The most non-bluetooth loudspeaker of non-bluetooth devices or earphone, and enable non-bluetooth devices via hub
120 receive Bluetooth signal from the client device with Bluetooth function.
In some embodiments, hub 120 may be used for increase there is the client of Bluetooth function
Communication range between end equipment and bluetooth equipment.For example, it is possible to utilize smart antenna and/or intelligence
Front end system realizes hub 120 to expand bluetooth communications range.Carry on January 30th, 2015
Entitled " METHODS, the DEVICES AND SYSTEMS FOR INCREASING handed over
WIRELESS COMMUNICATION RANGE " U.S. Provisional Application No.
Entitled " the BLUETOOTH that on January 30th, 62/110,250 and 2015 submits to
TRANSPARENT RELAY " U.S. Provisional Application No. 62/110,262 in describe for reality
The method and system of existing hub 120, the full content of all these applications is incorporated by reference into this
Literary composition.
In some embodiments, client device can be carried out with hub 120 by network 150
Communication.Such as, as shown in fig. 1, client device 115 can be via network 150 and hub
120 and/or other client devices carry out telecommunication.Network 150 can be to provide communication, exchange
Any kind of net that information and/or the information between hub 120 and client device that promotes exchange
Network.In one embodiment, network 150 can be to allow client device to hub 120
Transmission information and receive the Internet of information, LAN, cellular communications networks, nothing from hub 120
Line LAN or other suitable connections.In some embodiments, can include can be by for network 150
The long-range network system based on cloud that both client device 115 and hub 120 access.Example
As, client device 115 can be controlled by Cloud Server by using smart mobile phone application program
Hub 120.As another example, hub 120 may be configured to connect via network 150
To the Internet, and perform according to the request received from client device 115 via network 150
Online audio frequency and/or music stream transmission (streaming).
In the following description, use Bluetooth protocol and equipment that the design of hub 120 is described.So
And, it should be appreciated that in the case of without departing from the spirit and scope of the disclosure, can be by similar
The wireless hub of structure is applied to wherein use the scene of other wireless communication protocols.
Fig. 2 shows the example architecture of the bluetooth hub 200 according to embodiment of the present disclosure.
As in figure 2 it is shown, bluetooth hub 200 can include that two Bluetooth chips 210 and 220, data are total
Line 230, bluetooth stack 240, host CPU 250 and application layer 260.Bluetooth hub can also wrap
Include the Bluetooth chip of number more more or less than the Bluetooth chip shown in Fig. 2.
Bluetooth chip 210 and 220 can each include bluetooth transceiver and be configured to set with bluetooth
Standby as bluetooth equipment 140 and 145 and Bluetooth adapter 131 and 136 communicate.Real at some
Executing in mode, each Bluetooth chip in Bluetooth chip 210 and 220 can include can be used for exporting sound
One or more audio frequency of frequency evidence connect.The connection of each audio frequency may be configured to when given when
Export identical or different voice data to produce desired acoustics.In some implementations,
Voice service device can be realized voice data to be routed to suitable indigo plant in bluetooth hub 200
Tooth audio frequency apparatus.Voice service device can accept the sound inputted from one or more sources, and should
Sound redirection is to suitable Bluetooth audio equipment.Such as, bluetooth hub 200 can include
PulseAudio or other kinds of voice service device.
CPU 250 may be configured to the instruction performing to be associated with the operation of bluetooth hub 200.
Additionally, CPU 250 can use Bluetooth chip 210 and 220 to perform some instruction and order to carry
For radio communication.Bluetooth stack 240 can realize the function provided in Bluetooth protocol.Such as, bluetooth
Stack 240 can realize scan function, matching function and linkage function and connect to set up bluetooth.Bluetooth stack
240 can interact with data/address bus 230 and/or Bluetooth chip 210 and 220, and to master
CPU 250 and/or application layer 260 provide data to export.Application layer 260 may be used for using with terminal
Family application program interacts and management of end-user application program.
In some implementations, bluetooth stack 240 can include following software program, this software program
It is designed to promote that multimedia audio is transferred to bluetooth equipment such as with streamed from bluetooth hub 200
Bluetooth loudspeaker or earphone.Such as, bluetooth stack 240 can include advanced audio distribution specification
(A2DP), it allows Bluetooth audio frequency to be transferred to from the client device with Bluetooth function with streamed
Bluetooth loudspeaker or earphone.As another example, bluetooth stack 240 can include that audio/video distributes
Host-host protocol (AVDTP) agreement, its be in bluetooth air interface Voice & Video distribution and
Streaming specifies host-host protocol.As another example, bluetooth stack 240 can include that audio/video is remote
Process control specification (AVRCP) agreement, it allows user from Bluetooth audio equipment such as bluetooth loudspeaker
Or earphone controls media playback.
In some implementations, application layer 260 can include for audio frequency and/or video file
The media player being decoded, such as media player MPlayer, the window media player etc. of increasing income.
Such as, hub 200 can perform Online Music streaming via network 150, and media are broadcast
Put device to may be used for playing the audio file downloaded from the Internet.
Bluetooth hub 200 can also include other accessories, such as random access memory
(RAM), read only memory (ROM), auxilary unit (such as hard disk drive or flash memory).
The person skilled in the art will easily understand, bluetooth hub 200 can also include other portions various
Part.
Bluetooth hub 200 can lead to client device such as smart phone in application level
Letter, and communicate with bluetooth equipment on link layer level.Such as, bluetooth hub 200 is permissible
Use WiFi, bluetooth or other communication protocol to communicate with smart phone.When with bluetooth equipment
When communicating, bluetooth hub 200 may be operative to main equipment, and this main equipment is to being used as from equipment
Bluetooth equipment in bluetooth equipment initiate output connection request.
It will be appreciated by those skilled in the art that and bluetooth hub 200 described above can be modified as
It is applicable to wherein use the scene of other wireless communication protocols.For example, it is possible to assist by other radio communications
The chip of view such as WIFI and protocol stack replace Bluetooth chip in Fig. 2 210 and 220 and bluetooth
Stack 240, and obtained hub 200 will be able to support using other wireless communication protocols
Communication between equipment.
Fig. 3 show according to embodiment of the present disclosure for by bluetooth hub produce cincture
The exemplary diagram 300 of stereosonic method.As it is shown on figure 3, bluetooth hub 320 be configured to by
Music stream is divided into multiple voice-grade channel and voice-grade channel is transferred to corresponding bluetooth loudspeaker 310A
To 310D to be created around stereophonic effect.As example, can by bluetooth loudspeaker 310A extremely
310D scatters at the different corners of room area.In this example, music stream is divided into four letters
Road, wherein, channel 1 is transferred to bluetooth loudspeaker 310C, and channel 2 is transferred to bluetooth and raises one's voice
Device 310D, channel 3 is transferred to bluetooth loudspeaker 310A, and channel 4 is transferred to bluetooth and raises
Sound device 310B.In some implementations, can be by Bluetooth audio frequency adapter being attached to non-indigo plant
Non-bluetooth loudspeaker is used for receiving the voice-grade channel from bluetooth hub 320 by tooth speaker.
In some embodiments, bluetooth hub 320 can be configured to lead to bluetooth lamp
Believe the color to change bulb and brightness, in order to produce special Mood effect.Such as, bluetooth line concentration
The beat of music that device 320 is configured to playing is to change the color of bluetooth lamp.
In some embodiments, bluetooth hub 320 can receive from the visitor with Bluetooth function
Family end equipment is as supported the smart phone of bluetooth, tablet PC or the voice data of computer.Such as,
Voice data can be locally stored in and have at the client device of Bluetooth function, and bluetooth line concentration
Device 320 can receive the sound from the client device with Bluetooth function via bluetooth air interface
Frequency evidence.
In other embodiments, bluetooth hub 320 can receive audio frequency by Online Music stream
Data.Such as, bluetooth hub 320 may be coupled to the music service website on the Internet, to coming
Music from music service website carries out streaming and audio signal transmission is raised one's voice to various bluetooths
Device and/or bluetooth earphone.Additionally, user can use the client device with Bluetooth function to pass through
Such as via server based on cloud or via with bluetooth hub be directly connected to control bluetooth line concentration
Arranging of device 320 selects music service website, and wherein bluetooth hub 320 is to from this music garment
The music of business website carries out streaming.Bluetooth hub 320 may be controlled by while multiple users
System.Such as, user A can select music service website to come online for bluetooth hub 320
Music carries out streaming, and user B can be by via being associated with bluetooth hub subsequently
Server based on cloud changes arranging of bluetooth hub 320 and changes selected music service net
Stand.
As it is shown on figure 3, bluetooth hub 320 may be configured to be transferred to different voice-grade channels
Different bluetooth loudspeaker.In some implementations, bluetooth hub 320 may be configured to by
Identical audio signal transmission is to various Bluetooth audio equipments such as bluetooth loudspeaker and/or bluetooth earphone.
Such as, bluetooth hub 320 may be configured to identical audio signal transmission to being positioned at house
The not various bluetooth loudspeaker in chummery so that play identical music in whole house.At it
In his implementation, bluetooth hub 320 may be configured to simultaneously by different audio signal transmission
To various Bluetooth audio equipments.Such as, bluetooth hub 320 may be configured to one section of dancing sound
Pleasure is transferred to be positioned at the bluetooth loudspeaker of day room, and one section of classical music transmission is put in place simultaneously
Another bluetooth loudspeaker in bedroom.
Can be by performing permission Bluetooth slave devices (such as bluetooth loudspeaker) and bluetooth master (example
Such as bluetooth hub) bluetooth hub 320 is connected to bluetooth loudspeaker by the Bluetooth pairing procedure that matches
310A to 310D.Once matcher completes, then unpaired message can be stored in bluetooth hub
In 320 and/or be stored in server based on cloud, and extra pairing can be need not in the future
Set up the communication between bluetooth hub and bluetooth loudspeaker.
In some embodiments, the user of bluetooth hub can share bluetooth sound with another user
Frequently the control of equipment.Such as, user can share the control to bluetooth loudspeaker with another user, makes
Obtain other users remotely to be changed by the server based on cloud being associated with bluetooth hub
Become the music play by bluetooth hub.
In some embodiments, bluetooth hub 320 can be configurable for passing to bluetooth equipment
The music playing mode of the particular combination of defeated music and Lighting control.Such as, bluetooth hub 320
Can be configured to make the intensity of the volume of corresponding bluetooth loudspeaker and the illumination of corresponding bluetooth gradually
The awakening mode increased.As another example, bluetooth hub 320 can be configured to make accordingly
The park mode that the intensity of the volume of bluetooth loudspeaker and the illumination of corresponding bluetooth is gradually reduced.As separately
One example, bluetooth hub 320 is configured to weather, the emotion etc. of user is play not
Music with type.Other examples of the application of bluetooth hub include staying will raise one's voice via bluetooth
Device play voice mail, play online KTV (KTV) etc..
In some embodiments, can come by set up applications on client device such as smart phone
Management bluetooth hub and the operation of the bluetooth equipment with the pairing of bluetooth hub.At bluetooth hub
During initial setting up, user can use application program to come for bluetooth hub configuration WiFi network,
And bluetooth hub may be configured to automatically scan the available bluetooth devices in its communication range.
In some implementations, bluetooth hub may be configured to only scan neighbouring Bluetooth audio equipment
Even if with LED and detect that other kinds of bluetooth equipment also ignores them.
Fig. 4 shows the user interface for managing bluetooth equipment according to embodiment of the present disclosure
Exemplary diagram 400.Such as, when the application program being associated with bluetooth hub is activated,
User interface can be shown on client device.In some embodiments, Bluetooth audio frequency can be set
Back-up becomes different groups, and can by identical audio signal from bluetooth Hub transport to identical
Group in Bluetooth audio equipment.As shown in Figure 4, the default setting of bluetooth hub can include leading to
Cross round single group represented in user interface, and when user will represent the icon of Bluetooth audio equipment
When dragging to the plus sige in user interface, new group can be created.
Fig. 5 shows the user interface for managing bluetooth equipment according to embodiment of the present disclosure
Another exemplary Figure 50 0.As it is shown in figure 5, as the result of user's input, create new group.
It can be seen that exist by being associated with bluetooth hub of representing of two circles in user interface
Two groups of Bluetooth audio equipments altogether.As by near the expression Bluetooth audio equipment shown in the circle on figure top
Represented by the number of icon, first group comprises two Bluetooth audio equipments.Second group comprises zero bluetooth
Audio frequency apparatus, because not having near the circle representing second group or the table shown in representing the circle of second group
Show the icon of Bluetooth audio equipment.In some implementations, if in predetermined time period group
There is not Bluetooth audio equipment, then can remove this group and this group can be made to disappear from user interface.
In some embodiments, for the maximum number of group of bluetooth hub configuration, and once can reach
To maximum number, then user may not create new group, unless removed one or more existing group.
Fig. 6 show according to embodiment of the present disclosure for utilizing bluetooth equipment to play music
The exemplary diagram 600 of user interface.Such as, entitled " Here Comes the Weekend "
Song is currently transmitted two Bluetooth audio equipments in group 1 for broadcasting.User interface shows
Title of song, album title, the artist of performance song and the playing progress rate of song.Real at some
In existing mode, can be configured indicating the broadcasting of song to enter the color of the background in user interface
Degree.User interface can include being switched to the optional of next song or previous song for user
Key element, right-hand arrow icon as shown in Figure 60 0 and to the left the arrow icon.In some implementations
In, song can be suspended by the album cover shown in click or single-click user interface.All right
There is the volume icon shown in user interface, adjust the song play by Bluetooth audio equipment for user
Bent volume.When multiple Bluetooth audio equipments play song simultaneously, can come according to the selection of user
Extension volume icon so that the volume of each Bluetooth audio equipment can be regulated individually.If song
It is from the Online Music site for service retrieval allowing user's expression that song is liked or not like, then
Icon can be shown on a user interface so that user can click on or click icon song to be added
Song is removed to the favorites list or from following playlist.Can be by being associated with bluetooth hub
Application program support various modes, including ordered mode, shuffle play mode, repeat pattern,
Single repeat pattern etc..
Fig. 7 shows the user interface for controlling bluetooth equipment according to embodiment of the present disclosure
Exemplary diagram 700.As it is shown in fig. 7, some can be included in the user interface.User circle
Face can be included in the list of the bluetooth equipment in group.Such as, group 1 includes two Bluetooth audio equipments
With a bluetooth LED.User interface allows user to check the current state of bluetooth equipment.Such as,
If bluetooth equipment is audio frequency apparatus, by selecting bluetooth equipment, user interface can be by bluetooth equipment
Current state be shown as play, suspend or quiet.As another example, if bluetooth equipment is
LED, by selecting bluetooth equipment, the current state of bluetooth equipment can be shown by user interface
Or lamp bright for lamp goes out.
Another part included in the user interface can include the general setting of bluetooth equipment.Example
As, general setting unit can allow user to select and/or change the icon for representing bluetooth equipment
Activate or the specific bluetooth equipment of deexcitation is to test the function etc. of bluetooth equipment.At test pattern
In, if bluetooth equipment is audio frequency apparatus and is chosen, then can be generated test sound by bluetooth equipment
Sound.If bluetooth equipment is LED and is selected for test, then LED can start to dodge
Bright to indicate normal operating state.
User interface can also include the part adjusting the setting of each bluetooth equipment respectively.Example
As, for Bluetooth audio equipment, equipment arranges the volume that user can be allowed to adjust audio frequency apparatus.Make
For another example, for bluetooth LED, equipment arranges and user can be allowed to adjust in slider bar
The intensity of light, adjusted the color etc. of light by palette.Furthermore it is possible to for bluetooth LED
Automatic theme is set so that bluetooth LED can be based on by the currently playing sound of Bluetooth audio equipment
Pleasure flashes.Such as, bluetooth LED can be based on by the application programming being associated with music
The label that interface (API) provides is to identify the school of music, and school based on music is arranged
Theme.As another example, bluetooth LED can rhythm based on music adjust its color and
Brightness, such as, use warm colour for fast pace and change color rapidly, use cold for slow rhythm
Color and lentamente change color etc..Can also be for bluetooth LED and the theme of customization is set, its
In, the color that can be limited predetermined light for predetermined theme such as jazz, rock and roll etc. in advance by user sets
Put and/or flash pattern.
Fig. 8 shows will be broadcast for selection according to embodiment of the present disclosure by bluetooth equipment
The exemplary diagram 800 of the user interface of the music put.As it has been described above, bluetooth hub can use because of
Special net music service website play the music being stored in the client device with Bluetooth function or
Person performs Online Music streaming.In this example, music source is from the Internet music services website
“Douban.fm”.As shown in Figure 8, show in the user interface in the Internet music services website
In the music listed, select the music will play by bluetooth equipment for user.If user
Select the link of particular kind of music, the music of this kind of apoplexy due to endogenous wind can be carried out the most in the user interface
Extension.Right-hand arrow can be shown in the user interface, can be to kind or row based on selection with instruction
Table is extended.If the link of particular kind of music is the most extendible, then at that kind of apoplexy due to endogenous wind
Music can based on user select link play out.
In some embodiments, if user has been provided with its user account in bluetooth hub
For accessing the Internet music services website, then bluetooth hub can use the account of user to access
Music in the Internet music services website.If not yet arranging user account in bluetooth hub to use
In accessing the Internet music services website, then bluetooth hub can send message also to client device
And cause the prompting message that will show on a client device.Prompting message can ask user to input
User account information is used for accessing the Internet music services website, and input user account information it
After, information can be stored in bluetooth hub.
In some embodiments, when playing music also in one or more Bluetooth audio equipments
And client device is when receiving incoming call, bluetooth hub can reduce the sound of Bluetooth audio equipment
Amount is until calling is terminated.Additionally, in some embodiments, the Bluetooth audio frequency in all groups
Equipment may be configured to synchronously play identical music.If user selects another group and/or another
One song is used for playing, then can terminate being play by the synchronization of Bluetooth audio equipment.
Fig. 9 be according to embodiment of the present disclosure for multiple bluetooth equipments provide voice data
The flow chart of illustrative methods 900.Can be held by above-mentioned bluetooth hub 200 in conjunction with Fig. 2
Row method 900.
In step 902 place, the user that bluetooth hub receives from client device inputs, wherein,
User inputs and identifies the multiple Bluetooth audio equipments for playing audio-fequency data.Such as, bluetooth hub
User's input can be received from network (such as network 150) via network interface.As another example,
Client device can be the client device (such as client device 110) with Bluetooth function,
And bluetooth hub can receive from client device via one or more bluetooth transceivers
User input.In some embodiments, client device can provide user interface for
Family selects one group of Bluetooth audio equipment for playing audio-fequency data.Such as, as shown in Figure 6, client
Equipment can provide permission user to select room to come the user interface of playing audio-fequency data, wherein, this room
Between can comprise one group of Bluetooth audio equipment.
In step 904 place, bluetooth hub receives voice data via at least one network interface.
Such as, bluetooth hub can connect from the Internet by performing online audio frequency and/or music stream transmission
Receive voice data.As another example, bluetooth hub can be by accessing long-range net based on cloud
Network system receives voice data.In other embodiments, bluetooth hub can via one or
Multiple bluetooth transceivers receive the voice data from the client device with Bluetooth function.
In step 906 place, voice data is decoded playing for audio frequency by bluetooth hub.Example
As, media player can be realized in bluetooth hub and audio frequency and/or video file are solved
Code.
In step 908 place, the audio frequency that bluetooth hub will decode via one or more bluetooth transceivers
Data are transferred to multiple Bluetooth audio equipment.In some embodiments, can be by identical decoding
Voice data is transferred to multiple Bluetooth audio equipment so that multiple Bluetooth audio equipments can be substantially same
Time broadcast decoder voice data.In other embodiments, can be by the audio frequency number of different decodings
According to each being transferred in multiple Bluetooth audio equipment to produce surround sound effect, this will be in conjunction with
Figure 11 illustrates in more detail.
In some embodiments, bluetooth hub can receive and identify the sound being associated with voice data
Frequently user's input of play mode.Such as, received in step 902 user inputs all right
Identify the audio-frequency play mode being associated with voice data.As another example, can receive from step
Single user in rapid 902 inputs to identify audio-frequency play mode.
In some embodiments, the audio-frequency play mode identified can be park mode.The most logical
Crossing and set the one or more volume control command of transmission to Bluetooth audio frequency, bluetooth hub can respond
The volume of each in multiple Bluetooth audio equipment is made to be gradually reduced.In other embodiments,
The audio-frequency play mode identified can be awakening mode.Such as by setting transmission one to Bluetooth audio frequency
Or multiple volume control command, bluetooth hub can response to make in multiple Bluetooth audio equipment
The volume of each be gradually increased.
In some embodiments, bluetooth hub can receive and identify the master being associated with voice data
User's input of topic so that specific Mood effect can be created by bluetooth hub.Such as, in step
User's input received in rapid 902 can also identify the theme being associated with voice data.As
Another example, can receive the single user in step 902 and input to identify theme.Response
The theme identified in inputting user, bluetooth hub can be received and dispatched via one or more bluetooths
Device adjusts light intensity and/or the color of multiple bluetooth luminaire based on theme.Such as, bluetooth collection
Line device can change the color of bluetooth luminaire by beat based on the music play.
Figure 10 be according to embodiment of the present disclosure for receiving audio frequency number by bluetooth hub
According to the flow chart of illustrative methods 1000.Can be in conjunction with Fig. 2 by above-mentioned bluetooth hub 200
Perform method 1000.
In step 1002 place, bluetooth hub is for the user account information being associated with voice data
Request is sent to client device.Such as, the source of voice data can be from the Internet music services
Website, and bluetooth hub can send request to client device and be used for accessing the Internet music clothes
The request of the user account information of business website.As another example, the source of voice data can be come
From network based on cloud, and bluetooth hub can send request to client device and be used for accessing base
The request of user account information in the network of cloud.In some embodiments, client device is permissible
User interface is provided to input user account information for user.Such as, the most permissible
Display reminding user input accesses the Internet music services net for the accounts information of bluetooth hub
The information stood.
In step 1004 place, bluetooth hub receives the user account information from client device.
Bluetooth hub can store received user account information so that it can use institute in the future
The information of storage accesses the Internet music services website.
In step 1006 place, bluetooth hub connects via at least one network based on user account information
Mouth retrieves voice data from the Internet.Retrieval voice data after, bluetooth hub can perform with
Step 906 and 908 described in upper combination Fig. 9, in order to voice data is supplied to Bluetooth audio equipment
Play for audio frequency.
Figure 11 be according to embodiment of the present disclosure for being produced around vertical by bluetooth hub
The flow chart of the illustrative methods 1100 of body sound effective value.Can be in conjunction with Fig. 2 by above-mentioned bluetooth line concentration
Device 200 performs method 1100.
In step 1102 place, bluetooth hub voice data based on decoding obtains multiple audio frequency letter
Road, wherein, each voice-grade channel includes a part for the voice data of decoding.Such as, bluetooth line concentration
The voice data of decoding can be resolved into multiple voice-grade channel, and each sound in voice-grade channel by device
Frequently channel includes the different piece of the voice data decoded.
In step 1104 place, bluetooth hub determines and each bluetooth in multiple Bluetooth audio equipments
The voice-grade channel that audio frequency apparatus is associated.Such as, bluetooth hub can be based on Bluetooth audio equipment
Position determines the voice-grade channel being associated with Bluetooth audio equipment.In some implementations, permissible
Bluetooth audio equipment is placed at the different corners of room area, and bluetooth hub can be based on
In room area, the position of Bluetooth audio equipment determines the audio frequency being associated with Bluetooth audio equipment
Channel.
In step 1106 place, bluetooth hub by decoding voice data with associated audio channel
Corresponding fractional transmission is to each Bluetooth audio equipment in multiple Bluetooth audio equipments.Therefore, often
Individual Bluetooth audio equipment receives the voice data corresponding with special audio channel, and works as Bluetooth audio frequency
When equipment is play simultaneously, surround sound effect can be produced.
This specification has been described for the method, apparatus and system for Bluetooth audio frequency transmission.Set forth institute
The step illustrated, and should be it is contemplated that lasting skill to explain shown illustrative embodiments
Art exploitation will change the mode performing specific function.Therefore, these embodiments are presented in this article
For descriptive purpose, and the purpose being not intended to limit.Such as, step disclosed herein or
Process is not limited to perform in the described sequence, but can perform in any order, and
Meet disclosed embodiment, some steps can be omitted.Additionally, for the ease of describing,
The most arbitrarily define the border of building blocks of function module.As long as specifying function and relation thereof by suitably
Perform, then can define substituting border.Based on teaching contained herein, substitute object (bag
Include those described herein equivalent, extend, change, deviation etc.) for various equivalent modifications
Will be apparent from.Such replacement object falls in the scope and spirit of disclosed embodiment.
Claims (22)
1. for providing an equipment for voice data to multiple Bluetooth audio equipments, including:
One or more bluetooth transceivers, for communicating with the plurality of Bluetooth audio equipment；
At least one network interface；
One or more processors；And
Memorizer, the instruction that can be performed by the one or more processor for storage, wherein, institute
State one or more processor to be configured to:
Described voice data is received via at least one network interface described；
It is decoded described voice data playing for audio frequency；And
Via the one or more bluetooth transceiver, the voice data decoded is transferred to institute
State multiple Bluetooth audio equipment.
Equipment the most according to claim 1, wherein, the one or more processor also by
It is configured to:
Receiving the user from client device to input, wherein, described user inputs identification for playing
The plurality of Bluetooth audio equipment of described voice data；And
In response to the user's input received, will be decoded via the one or more bluetooth transceiver
Voice data be transferred to the plurality of Bluetooth audio equipment.
Equipment the most according to claim 2, wherein, described user input also identifies with described
The audio-frequency play mode that voice data is associated, and wherein, the one or more processor also by
It is configured to, based on described audio-frequency play mode, the voice data decoded is transferred to the plurality of bluetooth
Audio frequency apparatus.
Equipment the most according to claim 3, wherein, described audio-frequency play mode is dormancy mould
Formula, and wherein, the one or more processor is further configured to make the plurality of Bluetooth audio frequency set
The volume of each Bluetooth audio equipment in Bei is gradually reduced.
Equipment the most according to claim 3, wherein, described audio-frequency play mode is for waking up mould up
Formula, and wherein, the one or more processor is further configured to make the plurality of Bluetooth audio frequency set
The volume of each Bluetooth audio equipment in Bei is gradually increased.
Equipment the most according to claim 2, wherein, described user input also identifies with described
The theme that voice data is associated, and wherein, the one or more processor is further configured to base
Multiple bluetooth luminaire is adjusted via the one or more bluetooth transceiver in described theme
Light intensity.
Equipment the most according to claim 1, wherein, the one or more processor also by
It is configured to make the plurality of Bluetooth audio equipment substantially simultaneously play decoded voice data.
Equipment the most according to claim 1, wherein, the one or more processor also by
It is configured to:
Multiple voice-grade channel is obtained, each in described voice-grade channel based on the voice data decoded
Voice-grade channel includes a part for decoded voice data；
Determine the audio frequency being associated with each Bluetooth audio equipment in the plurality of Bluetooth audio equipment
Channel；And
The part corresponding with the described voice-grade channel being associated in the voice data that will be decoded passes
The each Bluetooth audio equipment being passed in the plurality of Bluetooth audio equipment.
Equipment the most according to claim 1, wherein, the one or more processor also by
It is configured to receive the described audio frequency from client device via the one or more bluetooth transceiver
Data.
Equipment the most according to claim 1, wherein, the one or more processor also by
It is configured to:
Request is sent to client device for the user account information being associated with described voice data；
Receive the described user account information from described client device；And
To retrieve from the Internet via at least one network interface described based on described user account information
Described voice data.
11. 1 kinds are used for the method providing voice data to multiple Bluetooth audio equipments, including:
Described voice data is received via at least one network interface；
It is decoded described voice data playing for audio frequency；And
Via one or more bluetooth transceivers, the voice data decoded is transferred to the plurality of indigo plant
Tooth audio frequency apparatus.
12. methods according to claim 11, also include:
Receiving the user from client device to input, wherein, described user inputs identification for playing
The plurality of Bluetooth audio equipment of described voice data；And
In response to the user's input received, will be decoded via the one or more bluetooth transceiver
Voice data be transferred to the plurality of Bluetooth audio equipment.
13. methods according to claim 12, wherein, described user input also identifies and institute
State the audio-frequency play mode that voice data is associated, and the voice data decoded is based on described audio frequency
Play mode is transferred to the plurality of Bluetooth audio equipment.
14. methods according to claim 13, wherein, described audio-frequency play mode is dormancy
Pattern, described method also includes:
The volume making each Bluetooth audio equipment in the plurality of Bluetooth audio equipment is gradually reduced.
15. methods according to claim 13, wherein, described audio-frequency play mode is for waking up up
Pattern, described method also includes:
The volume making each Bluetooth audio equipment in the plurality of Bluetooth audio equipment is gradually increased.
16. methods according to claim 12, wherein, described user input also identifies and institute
Stating the theme that voice data is associated, described method also includes:
The illumination of multiple bluetooth is adjusted via the one or more bluetooth transceiver based on described theme
The light intensity of equipment.
17. methods according to claim 11, wherein, the plurality of Bluetooth audio equipment base
Play the voice data decoded in basis simultaneously.
18. methods according to claim 11, also include:
Multiple voice-grade channel is obtained, each in described voice-grade channel based on the voice data decoded
Voice-grade channel includes a part for decoded voice data；
Determine the audio frequency being associated with each Bluetooth audio equipment in the plurality of Bluetooth audio equipment
Channel；And
The part corresponding with the described voice-grade channel being associated in the voice data that will be decoded passes
The each Bluetooth audio equipment being passed in the plurality of Bluetooth audio equipment.
19. methods according to claim 11, also include via the one or more bluetooth
Transceivers is from the described voice data of client device.
20. methods according to claim 11, also include:
Request is sent to client device for the user account information being associated with described voice data；
Receive the described user account information from described client device；And
To retrieve from the Internet via at least one network interface described based on described user account information
Described voice data.
21. 1 kinds of equipment being used for providing voice data to multiple Bluetooth audio equipments, including:
One or more bluetooth transceivers, for communicating with the plurality of Bluetooth audio equipment；
Antenna；
Radio-frequency front-end system, it is communicatively coupled to described transceiver and described antenna, before described radio frequency
End system includes:
Radio frequency sampling block, it is coupled to the one or more bluetooth transceiver and is configured
The signal received from the one or more bluetooth transceiver in pairs carries out sampling output voltage letter
Number；
Radio frequency switch logic, it is coupled to described radio frequency sampling block to receive described voltage signal
And it is configured to switch described radio-frequency front-end system between emission mode and reception pattern；
Radio frequency transmission gain block, it is coupled to described radio frequency switch logic and is configured to make
From the through-put power increase of the signal that the one or more bluetooth transceiver receives；And
Radio frequency reception gain block, it is coupled to described radio frequency switch logic and is configured to press down
System noise signal included in the radiofrequency signal that described antenna receives；
At least one network interface；
One or more processors；And
Memorizer, the instruction that can be performed by the one or more processor for storage, wherein, institute
State one or more processor to be configured to:
Described voice data is received via at least one network interface described；
It is decoded described voice data playing for audio frequency；And
Via the one or more bluetooth transceiver, the voice data decoded is transferred to institute
State multiple Bluetooth audio equipment.
22. 1 kinds of equipment being used for providing voice data to multiple Bluetooth audio equipments, including:
Configurable antenna system, including multiple antenna elements, wherein, each in described antenna element
Antenna element can be opened or closed to produce different antenna configurations；
One or more bluetooth transceivers, for communicating with the plurality of Bluetooth audio equipment, institute
State one or more bluetooth transceiver to be configured to for each antenna configurations in described antenna configurations
Generating received signal strength indicator, wherein, described received signal strength indicator is based on from client device
The signal that receives and generate；
Antenna logic system, its be communicatively coupled to the one or more bluetooth transceiver and described can
Configuration antenna system, described antenna logic system is configured to:
From the one or more bluetooth transceiver receive for described antenna configurations each
The described received signal strength indicator of antenna configurations；
To select antenna configurations in described antenna configurations based on described received signal strength indicator；
And
Antenna configurations selected by utilization configures described configurable antenna system；
At least one network interface；
One or more processors；And
Memorizer, the instruction that can be performed by the one or more processor for storage, wherein, institute
State one or more processor to be configured to:
Described voice data is received via at least one network interface described；
It is decoded described voice data playing for audio frequency；And
Via the one or more bluetooth transceiver, the voice data decoded is transferred to institute
State multiple Bluetooth audio equipment.
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| US14/639,711 US9769594B2 (en) | 2015-01-30 | 2015-03-05 | Methods, devices and systems for increasing wireless communication range |
| US14/789,614 US9730003B2 (en) | 2015-01-30 | 2015-07-01 | Methods, devices and systems for supporting wireless communication |
| US14/789,614 | 2015-07-01 | ||
| US201562187956P | 2015-07-02 | 2015-07-02 | |
| US62/187,956 | 2015-07-02 | ||
| US14/919,124 US10681479B2 (en) | 2015-01-30 | 2015-10-21 | Methods, devices and systems for bluetooth audio transmission |
| US14/919,124 | 2015-10-21 |
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| CN105846865A true CN105846865A (en) | 2016-08-10 |
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| CN201510872812.XA Active CN105846865B (en) | 2015-01-30 | 2015-12-02 | Method, device and system for Bluetooth audio transmission |
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