CN109660906B - Wireless Bluetooth headsets, wireless Bluetooth headsets master-slave swap optimization method - Google Patents
Wireless Bluetooth headsets, wireless Bluetooth headsets master-slave swap optimization method Download PDFInfo
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- CN109660906B CN109660906B CN201910182235.XA CN201910182235A CN109660906B CN 109660906 B CN109660906 B CN 109660906B CN 201910182235 A CN201910182235 A CN 201910182235A CN 109660906 B CN109660906 B CN 109660906B
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/03—Connection circuits to selectively connect loudspeakers or headphones to amplifiers
Abstract
The present invention provides a kind of wireless Bluetooth headsets master-slave swap optimization method, including following method and step: when external event triggers master-slave swap, first bluetooth headset sends the first switching command to the second bluetooth headset by the second Bluetooth link, second bluetooth headset receives the first switching command, the first confirmation instruction is replied to the first bluetooth headset by the second Bluetooth link, bluetooth upper layer status information is sent to the second bluetooth headset by the second Bluetooth link by the first bluetooth headset, also, the first bluetooth headset keeps receiving the audio data that smart machine is sent.When principal and subordinate's earphone of the present invention switches, audio receipt is received without suspending main earphone, to avoid receiving the interval of audio data, the smoothness for keeping audio to play.
Description
Technical field
The present invention relates to bluetooth headset field of communication technology, in particular to a kind of wireless Bluetooth headsets, wireless Bluetooth headsets
Master-slave swap optimization method.
Background technique
Double wireless Bluetooth headsets include two bluetooth equipments, one of them with host equipment (such as: mobile phone, individual calculus
Machine, laptop etc.) bluetooth equipment that is attached is referred to as bluetooth master, bluetooth master connect with host after with it is another
The bluetooth equipment is usually Bluetooth slave devices by a bluetooth equipment connection.Existing wireless Bluetooth headsets are set carrying out the main ear of bluetooth
When standby and Bluetooth slave devices progress master-slave swap (such as: bluetooth master leaves cochlea), it needs and host equipment break link
It can just switch over afterwards, if host equipment is playing music at present, having one second or more time can't hear the serious shadow of music
Ring user experience.
Such as application No. is 2017800029285, title carries out role swap between the wireless connectivity devices that do not fasten
Application for a patent for invention, principal and subordinate's earphone switching when, need to temporarily cease corollary equipment (such as mobile phone) to the first wireless earbud
Send audio data.In another example application No. is 2018102913455, the principal and subordinate link switching of entitled bluetooth headset, call prison
The application for a patent for invention with the method for Mike's switching is listened, in the switching of principal and subordinate's earphone, bluetooth master is needed to stop receiving host
The data packet for the first Bluetooth link that equipment is sent.
However, main earphone pause receives the audio data that smart machine is sent in master-slave swap, earphone reception will cause
The interval of audio data is larger, or even the Caton phenomenon of audio broadcasting occurs.
Therefore, to solve the above-mentioned problems, when principal and subordinate's earphone being avoided to switch, the interval of the reception audio data of appearance is larger
Situation needs wireless Bluetooth headsets, wireless Bluetooth headsets master-slave swap optimization method.
Summary of the invention
One aspect of the present invention is to provide a kind of master-slave swap optimization method of wireless Bluetooth headsets system, the side
Method includes following method and step:
First bluetooth headset is allocated to establish the first Bluetooth link with smart machine for main earphone；Second bluetooth headset
It is allocated to establish bluetooth monitored link, first bluetooth headset and the second bluetooth ear with smart machine from earphone
The second Bluetooth link is established between machine, second bluetooth headset is obtained by the second Bluetooth link from first bluetooth headset
The bluetooth upper layer status information of the information of first Bluetooth link；
When external event triggers master-slave swap, first bluetooth headset is blue to second by second Bluetooth link
Tooth earphone sends the first switching command,
Second bluetooth headset receives first switching command, by second Bluetooth link to described first
Bluetooth headset replys the first confirmation instruction, and first bluetooth headset is believed layer state in bluetooth by second Bluetooth link
Breath is sent to the second bluetooth headset, also, first bluetooth headset keeps receiving the audio data that smart machine is sent,
Second bluetooth headset receives bluetooth upper layer status information, by second Bluetooth link to described
First bluetooth headset replys the second confirmation instruction；
First bluetooth headset receives the second confirmation instruction, by second Bluetooth link to the second bluetooth headset
The second switching command is sent, notifies the second bluetooth headset master-slave swap, meanwhile, the first bluetooth headset is switched to from earphone；It is described
Second bluetooth headset receives the second switching command, switches as main earphone.
Preferably, first Bluetooth link is asynchronous wireless connecting link or synchronous radio connecting link.
Preferably, second Bluetooth link is the first bluetooth headset and the privately owned logic link control of the second bluetooth headset
With adapting protocol link.
Preferably, the bluetooth monitored link has physics chain identical with the first Bluetooth link realization data transfer mode
Road.
Preferably, second bluetooth headset receives the second switching command, and the first bluetooth headset of Xiang Suoshu returns to third
Confirmation instruction.
Another aspect of the present invention is to provide a kind of wireless Bluetooth headsets system, and the system comprises the first bluetooth ears
Machine and the second bluetooth headset；First bluetooth headset is allocated to establish the first Bluetooth link with smart machine for main earphone；Second
Bluetooth headset is allocated to as from earphone, establishes bluetooth monitored link with smart machine, first bluetooth headset and described the
The second Bluetooth link is established between two bluetooth headsets, second bluetooth headset passes through the second Bluetooth link from first bluetooth
Earphone obtains the bluetooth upper layer status information of the information of the first Bluetooth link；
When external event triggers master-slave swap, first bluetooth headset is blue to second by second Bluetooth link
Tooth earphone sends the first switching command,
Second bluetooth headset receives first switching command, by second Bluetooth link to described first
Bluetooth headset replys the first confirmation instruction, and first bluetooth headset is believed layer state in bluetooth by second Bluetooth link
Breath is sent to the second bluetooth headset, also, first bluetooth headset keeps receiving the audio data that smart machine is sent,
Second bluetooth headset receives bluetooth upper layer status information, by second Bluetooth link to described
First bluetooth headset replys the second confirmation instruction；
First bluetooth headset receives the second confirmation instruction, by second Bluetooth link to the second bluetooth headset
The second switching command is sent, notifies the second bluetooth headset master-slave swap, meanwhile, the first bluetooth headset is switched to from earphone；It is described
Second bluetooth headset receives the second switching command, switches as main earphone.
Preferably, first Bluetooth link is asynchronous wireless connecting link or synchronous radio connecting link.
Preferably, second Bluetooth link is the first bluetooth headset and the privately owned logic link control of the second bluetooth headset
With adapting protocol link.
Preferably, the bluetooth monitored link has physics chain identical with the first Bluetooth link realization data transfer mode
Road.
Preferably, second bluetooth headset receives the second switching command, and the first bluetooth headset of Xiang Suoshu returns to third
Confirmation instruction.
A kind of master-slave swap optimization method of wireless Bluetooth headsets system provided by the invention, when principal and subordinate's earphone switches, nothing
Main earphone need to be suspended and receive the audio receipt of smart machine, to avoid receiving the interval of audio data, audio is kept to play
It is smooth.
It should be appreciated that aforementioned description substantially and subsequent detailed description are exemplary illustration and explanation, it should not
As the limitation to the claimed content of the present invention.
Detailed description of the invention
With reference to the attached drawing of accompanying, the more purposes of the present invention, function and advantage are by the as follows of embodiment through the invention
Description is illustrated, in which:
Fig. 1 diagrammatically illustrates the structural block diagram of wireless Bluetooth headsets system of the present invention.
Fig. 2 shows the flow diagrams of the first bluetooth headset and the second bluetooth headset master-slave swap of the invention.
Fig. 3 shows the timing diagram of the first bluetooth headset and the second bluetooth headset master-slave swap of the invention.
Fig. 4 shows preceding first bluetooth headset of the second switching command transmission after the first switching command of the invention is sent and receives
The timing diagram of audio data.
Fig. 5 shows the timing diagram that the second bluetooth headset of the invention does not receive the second switching command.
Fig. 6 shows the timing diagram that the first bluetooth headset of the invention does not receive third confirmation instruction.
Specific embodiment
By reference to exemplary embodiment, the purpose of the present invention and function and the side for realizing these purposes and function
Method will be illustrated.However, the present invention is not limited to exemplary embodiment as disclosed below；Can by different form come
It is realized.The essence of specification is only to aid in those skilled in the relevant arts' Integrated Understanding detail of the invention.
A kind of wireless Bluetooth headsets system provided by the invention is illustrated first, wireless Bluetooth headsets system of the present invention as shown in Figure 1
The structural block diagram of system, a kind of wireless Bluetooth headsets system, including the first bluetooth headset 200 and the second bluetooth headset 300；First is blue
Tooth earphone 200 is allocated to establish the first Bluetooth link with smart machine (such as mobile phone) 100 for main earphone.
Second bluetooth headset 300 is allocated to, from earphone, establish bluetooth monitored link with smart machine 100, for the
Two bluetooth headsets 300 monitor the first Bluetooth link.The second indigo plant is established between first bluetooth headset 200 and the second bluetooth headset 300
Tooth chain road, the second bluetooth headset 300 obtain the information of the first Bluetooth link by the second Bluetooth link from the first bluetooth headset 200
Bluetooth upper layer status information.
According to an embodiment of the invention, the first Bluetooth link is asynchronous wireless connecting link (ACL link) or synchronous radio
Connecting link (both SCO link)；The second Bluetooth link be the first bluetooth headset and the privately owned logical links control of the second bluetooth headset
System and adapting protocol link (L2CAP link), bluetooth monitored link, which has, realizes data transfer mode phase with the first Bluetooth link
Same physical link.It is pointed out that the physics of the physical link of the first Bluetooth link and bluetooth monitored link in the present invention
Link is two sets of links (hardware, software distribution are on two earphones), but the same data transfer mode may be implemented in the two.
When external event triggers master-slave swap, the first bluetooth headset is sent out by the second Bluetooth link to the second bluetooth headset
Send the first switching command.
Second bluetooth headset receives first switching command, by second Bluetooth link to first bluetooth
Earphone replys the first confirmation instruction, and bluetooth upper layer status information is sent to by the first bluetooth headset by second Bluetooth link
Second bluetooth headset, also, first bluetooth headset keeps receiving the audio data that smart machine is sent.
Second bluetooth headset receives bluetooth upper layer status information, by second Bluetooth link to first
Bluetooth headset replys the second confirmation instruction.
First bluetooth headset receives the second confirmation instruction, sends second to the second bluetooth headset by the second Bluetooth link
Switching command notifies the second bluetooth headset master-slave swap, meanwhile, the first bluetooth headset is switched to from earphone；Second bluetooth
Earphone receives the second switching command, switches as main earphone.
According to an embodiment of the invention, the second bluetooth headset 300 receives the second switching command, to the first bluetooth headset
200 return to third confirmation instruction.
The flow diagram of the present invention the first bluetooth headset and the second bluetooth headset master-slave swap as shown in Figure 2, shown in Fig. 3 originally
Invent the timing diagram of the first bluetooth headset and the second bluetooth headset master-slave swap.
According to an embodiment of the invention, a kind of master-slave swap optimization method of wireless Bluetooth headsets system, method includes such as
Lower method and step:
Step S101, external event triggers master-slave swap, and the first bluetooth headset (being at this time main earphone) 200 sends first and cuts
Change instruction.External trigger can be the first bluetooth headset and leave cochlea, and the first bluetooth headset is placed in earphone charging box etc.,
Determine with specific reference to application scenarios.
First bluetooth ear, 200 machine is allocated to establish the first Bluetooth link with smart machine 100 for main earphone.Second is blue
Tooth earphone 300 is allocated to, from earphone, establish bluetooth monitored link, the first bluetooth headset 200 and second with smart machine 300
The second Bluetooth link is established between bluetooth headset 300, the second bluetooth headset 300 passes through the second Bluetooth link from the first bluetooth headset
200 obtain the bluetooth upper layer status information of the information of the first Bluetooth link.
According to an embodiment of the invention, the first Bluetooth link is asynchronous wireless connecting link (ACL link) or synchronous radio
Connecting link (both SCO link), the second Bluetooth link are the first bluetooth headset and the privately owned logic link control of the second bluetooth headset
With adapting protocol link (L2CAP link), bluetooth monitored link, which has, realizes that data transfer mode is identical with the first Bluetooth link
Physical link.
Bluetooth monitored link is established according to following step in the present invention:
S1, the first bluetooth headset 200, which temporarily cease, receives the audio data that smart machine is sent.
The physical link information of first Bluetooth link is transmitted to the second bluetooth headset 300 by S2, the first bluetooth headset 200,
Second bluetooth headset 300 receives and replys ACK to the first bluetooth headset 200 after the physical link information of the first Bluetooth link.
After S3, the first bluetooth headset 200 receive the ACK of the second bluetooth headset 300 reply, transmission is established monitored link and is referred to
It enables, the second bluetooth headset 300 starts to establish monitored link with smart machine after receiving instruction.
S4, after the second bluetooth headset 300 has established monitored link with smart machine, replied to the first bluetooth headset 200
The ACK being successfully established, the first bluetooth headset 200 restore to receive the audio data of smart machine.
The present invention is after the second bluetooth headset 300 establishes bluetooth monitored link with smart machine 100, the first bluetooth headset
200 to smart machine 100 reply receive audio data ACK when, consider the first bluetooth headset 200 itself audio data receipt
The ACK information that state and the second bluetooth headset 300 are sent.
In some embodiments, the second bluetooth headset 300 is interacted by bluetooth monitored link with smart machine 100,
Such as second bluetooth headset 300 by bluetooth monitored link to smart machine 100 send NACK or ACK.
Before the triggering of master-slave swap event, the first bluetooth headset 200 receives the audio data (Y) of smart machine 100, the
Two bluetooth headsets 300 receive audio data (Y) by bluetooth monitored link.Also, the second bluetooth headset 300 is to the first bluetooth ear
Machine 200 send a confirmation ACK, the first bluetooth headset 200 to smart machine 100 transmission audio data receipt to confirmation ACK.
When external event triggers master-slave swap, master-slave swap starts, and the first bluetooth headset 200 passes through the second Bluetooth link
The first switching command is sent to the second bluetooth headset 300.
Step S102, the first bluetooth headset sends the bluetooth upper layer status information of the first Bluetooth link.
Second bluetooth headset 300 receives the first switching command, is returned by the second Bluetooth link to the first bluetooth headset 200
Bluetooth upper layer status information is sent to the second indigo plant by the second Bluetooth link by multiple first confirmation instruction, the first bluetooth headset 200
Tooth earphone 300, also, first bluetooth headset keeps receiving the audio data that smart machine is sent.
Second bluetooth headset 300 receives bluetooth upper layer status information, by the second Bluetooth link to the first bluetooth headset
200 reply the second confirmation instruction, and the second bluetooth headset 300 obtains the upper-layer protocol letter of complete first Bluetooth link at this time
Breath.
Step S103, the first bluetooth headset 200 receives the second confirmation instruction, by the second Bluetooth link to the second bluetooth
Earphone 300 sends the second switching command, and the second bluetooth headset master-slave swap, the first bluetooth headset is notified to be switched to from earphone.
Step S104, master-slave swap.
Second bluetooth headset 300 receives the second switching command, switches as main earphone, meanwhile, to the first bluetooth headset 200
Return to third confirmation instruction.When the switching of the second bluetooth headset is main earphone, the second bluetooth headset is by receiving bluetooth upper layer
Status information sets up asynchronous wireless connection chain identical with the first Bluetooth link with the bluetooth physical link of bluetooth monitored link
Road or synchronous radio connecting link.
The present invention is due to establishing bluetooth monitored link, i.e. the second bluetooth between the second bluetooth headset 300 and smart machine 100
Bluetooth physical link is had been built up between earphone 300 and smart machine 100.In master-slave swap, the first bluetooth headset 200 is logical
When crossing the second Bluetooth link bluetooth upper layer status information being sent to the second bluetooth headset 300, the first bluetooth headset keeps receiving
The audio data that smart machine is sent, the audio data without suspending smart machine are sent, and receive intelligence without pause earphone
The audio data that equipment is sent, the interval of audio data receipt, improves earphone when greatly reduced earphone master-slave swap
The continuity for receiving audio data, when avoiding earphone master-slave swap caused by Caton the phenomenon that.
In one embodiment, during the first bluetooth headset and the second bluetooth headset firmware update, master-slave swap
It can continue, not need to suspend.
The different situations occurred during master-slave swap of the present invention are illustrated below, as shown in Figure 4 the present invention first
The second switching command sends the timing diagram that preceding first bluetooth headset receives audio data after switching command is sent.
When the first bluetooth headset 200 is sent between the first switching command and the second switching command to the second bluetooth headset 300,
The audio data of smart machine transmission is received, then still the second bluetooth headset 300 confirms for one to the transmission of the first bluetooth headset
ACK, then a confirmation ACK is sent from the first bluetooth headset 200 to smart machine 100.
The second bluetooth headset of the present invention does not receive the timing diagram of the second switching command, the first bluetooth headset as shown in Figure 5
After 200 send the second switching command to the second bluetooth headset, the second bluetooth headset 300 does not receive the transmission of the first bluetooth headset 200
Second switching command (oblique hachure representative does not receive related data in Fig. 5).Hereafter if receiving the transmission of smart machine 100
Audio data, since the first bluetooth headset 200 has been switched to the role from earphone, so the first bluetooth headset 200 and
Two bluetooth headsets 300 will not all send confirmation ACK to smart machine, and smart machine can still retransmit the audio data.
In the above process, the second bluetooth headset 300 does not receive the first bluetooth headset 200 and sends the second switching command, subsequent
First bluetooth headset 200 continues to repeat to send the second switching command to the second bluetooth headset.
It should be appreciated that after the second bluetooth headset 300 receives the second switching command of the first bluetooth headset 200 transmission, the
The switching of two bluetooth headsets 300 is main earphone, and the first bluetooth headset 200 sends a confirmation ACK to the second bluetooth headset 300, the
Two bluetooth headsets send confirmation ACK to smart machine.
Fig. 6 shows the timing diagram that the first bluetooth headset of the invention does not receive third confirmation instruction, the second bluetooth headset
300 receive the second switching command, switch as main earphone, meanwhile, third confirmation instruction is returned to the first bluetooth headset 200, the
The third that one bluetooth headset 200 does not receive the reply of the second bluetooth headset 300 confirms that (oblique hachure representative does not receive in Fig. 6 for instruction
Related data), if receiving the audio data of smart machine transmission at this time, since the second bluetooth headset 300 has received the
Two switching commands, the first bluetooth headset 200 is switched to from earphone at this time, and the second bluetooth headset 300 is switched to primary role, and first is blue
Tooth earphone 200 sends a confirmation ACK to the second bluetooth headset 300, and the second bluetooth headset sends confirmation ACK to smart machine.
The audio data that i.e. smart machine is sent at this time can normally receive processing.
According to the different situations occurred during above-mentioned master-slave swap it is found that wireless Bluetooth headsets provided by the invention, nothing
Line bluetooth headset master-slave swap optimization method, during master-slave swap, the first bluetooth headset receives smart machine without suspending
The audio data of transmission can still guarantee that audio data is not lost.
The wireless Bluetooth headsets provided, wireless Bluetooth headsets master-slave swap optimization method are invented, the first bluetooth headset is not necessarily to
Pause receives the audio data that smart machine is sent, to avoid receiving the interval of audio data, the smoothness for keeping audio to play.
In conjunction with the explanation and practice of the invention disclosed here, the other embodiment of the present invention is for those skilled in the art
It all will be readily apparent and understand.Illustrate and embodiment is regarded only as being exemplary, true scope of the invention and purport are equal
It is defined in the claims.
Claims (8)
1. a kind of wireless Bluetooth headsets master-slave swap optimization method, which is characterized in that the method includes following method and steps:
First bluetooth headset is allocated to establish the first Bluetooth link, first Bluetooth link with smart machine for main earphone
For asynchronous wireless connecting link；Second bluetooth headset is allocated to, from earphone, establish bluetooth monitored link, institute with smart machine
It states and establishes the second Bluetooth link between the first bluetooth headset and second bluetooth headset, second bluetooth headset passes through second
Bluetooth link obtains the bluetooth upper layer status information of the information of the first Bluetooth link from first bluetooth headset；
When external event triggers master-slave swap, first bluetooth headset is by second Bluetooth link to the second bluetooth ear
Machine sends the first switching command,
Second bluetooth headset receives first switching command, by second Bluetooth link to first bluetooth
Earphone replys the first confirmation instruction, and first bluetooth headset is sent out bluetooth upper layer status information by second Bluetooth link
It send to the second bluetooth headset, also, first bluetooth headset keeps receiving smart machine hair by first Bluetooth link
The audio data sent,
Second bluetooth headset receives bluetooth upper layer status information, by second Bluetooth link to described first
Bluetooth headset replys the second confirmation instruction；
First bluetooth headset receives the second confirmation instruction, is sent by second Bluetooth link to the second bluetooth headset
Second switching command notifies the second bluetooth headset master-slave swap, meanwhile, the first bluetooth headset is switched to from earphone；Described second
Bluetooth headset receives the second switching command, switches as main earphone.
2. optimization method according to claim 1, which is characterized in that second Bluetooth link be the first bluetooth headset with
The privately owned logical link control and adaptation protocol link of second bluetooth headset.
3. optimization method according to claim 1, which is characterized in that the bluetooth monitored link has and the first bluetooth chain
Realize the identical physical link of data transfer mode in road.
4. optimization method according to claim 1, which is characterized in that second bluetooth headset receives the second switching and refers to
It enables, the first bluetooth headset of Xiang Suoshu returns to third confirmation instruction.
5. a kind of wireless Bluetooth headsets system, which is characterized in that the system comprises the first bluetooth headsets and the second bluetooth headset；
First bluetooth headset is allocated to as main earphone, establishes the first Bluetooth link with smart machine, first Bluetooth link is different
Walk wireless connection link；Second bluetooth headset is allocated to as from earphone, establishes bluetooth monitored link with smart machine, and described
The second Bluetooth link is established between one bluetooth headset and second bluetooth headset, second bluetooth headset passes through the second bluetooth
Link obtains the bluetooth upper layer status information of the information of the first Bluetooth link from first bluetooth headset；
When external event triggers master-slave swap, first bluetooth headset is by second Bluetooth link to the second bluetooth ear
Machine sends the first switching command,
Second bluetooth headset receives first switching command, by second Bluetooth link to first bluetooth
Earphone replys the first confirmation instruction, and first bluetooth headset is sent out bluetooth upper layer status information by second Bluetooth link
It send to the second bluetooth headset, also, first bluetooth headset keeps receiving smart machine hair by first Bluetooth link
The audio data sent,
Second bluetooth headset receives bluetooth upper layer status information, by second Bluetooth link to described first
Bluetooth headset replys the second confirmation instruction；
First bluetooth headset receives the second confirmation instruction, is sent by second Bluetooth link to the second bluetooth headset
Second switching command notifies the second bluetooth headset master-slave swap, meanwhile, the first bluetooth headset is switched to from earphone；Described second
Bluetooth headset receives the second switching command, switches as main earphone.
6. system according to claim 5, which is characterized in that second Bluetooth link is the first bluetooth headset and second
The privately owned logical link control and adaptation protocol link of bluetooth headset.
7. system according to claim 5, which is characterized in that the bluetooth monitored link has and the first Bluetooth link reality
The existing identical physical link of data transfer mode.
8. system according to claim 5, which is characterized in that second bluetooth headset receives the second switching command,
Third confirmation instruction is returned to first bluetooth headset.
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| CN114143659A (en) * | 2021-12-30 | 2022-03-04 | 深圳市中科蓝讯科技股份有限公司 | Earphone data sending method, terminal equipment, master earphone, slave earphone and system |
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| CN107894881A (en) * | 2017-10-18 | 2018-04-10 | 恒玄科技（上海）有限公司 | The method that principal and subordinate link switching, conversation monitoring and the Mike of bluetooth earphone switch |
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