CN108108146A - The method and playback equipment that multiple playback equipments are played simultaneously - Google Patents
The method and playback equipment that multiple playback equipments are played simultaneously Download PDFInfo
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- CN108108146A CN108108146A CN201810054207.5A CN201810054207A CN108108146A CN 108108146 A CN108108146 A CN 108108146A CN 201810054207 A CN201810054207 A CN 201810054207A CN 108108146 A CN108108146 A CN 108108146A
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- G06F3/16—Sound input; Sound output
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- G—PHYSICS
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- G06F3/16—Sound input; Sound output
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- H—ELECTRICITY
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Abstract
Present invention is disclosed the method that multiple playback equipments are played simultaneously, including：Second playback equipment receives the Bluetooth information of the first playback equipment；According to the first playing progress rate of the Bluetooth information the first playback equipment of acquisition and the machine time of the first playback equipment and the time residual quantity of standard time, to obtain the first etalon time that the first playback equipment sends the Bluetooth information；And according to the machine time of the second playback equipment and the time residual quantity of standard time, obtain the second etalon time that the second playback equipment receives the Bluetooth information；According to first etalon time and the second etalon time, the network-induced delay residual quantity of the Bluetooth information is obtained, network-induced delay residual quantity is added into the first playing progress rate, calculates the second playing progress rate moment of second playback equipment；The playing progress rate of second playback equipment is switched into second playing progress rate.The present invention realizes that multiple playback equipments are played simultaneously by way of BLE Broadcasting Control code information.
Description
Technical field
The present invention relates to electronic technology fields, especially relate to method and broadcasting that multiple playback equipments are played simultaneously
Equipment.
Background technology
It is improved as people’s lives are horizontal, more and more people pursue abundant free life, and spirit is eaten with meeting
Also there is the microcommunity amusement tissue of different hobbies, but lives in group activity to meet group therewith in the demand of amount
Dynamic synchronism requirement improves the sense of organization of group activity, it is necessary to realize synchronous movement by sound radio, music broadcast etc..
For example, square dance groups, usually play song by powerful speaker, carry out the dance step of synchronous groups, but it is big
The speaker of power plays the noise that song is brought and disturbs residents problem, and contradiction event is also shown in not repeatly caused by being disturbed residents due to noise
It is fresh.With the gradual progress of electronics technology, the application of smart machine is more and more common, and group is carried out by the smart machine with earphone
Body activity, can solve the problems, such as that noise disturbs residents, but multiple smart machines synchronize broadcasting, are still technical barrier.
Therefore, the prior art could be improved.
The content of the invention
The main object of the present invention is to provide a kind of method that multiple playback equipments are played simultaneously, it is intended to be solved existing multiple
Smart machine can not realize the technical issues of being played simultaneously.
The present invention proposes a kind of method that multiple playback equipments are played simultaneously, including：
Second playback equipment receives the Bluetooth information of the first playback equipment；
The first playing progress rate of the first playback equipment and the machine of the first playback equipment are obtained according to the Bluetooth information
Time and the time residual quantity of standard time, to obtain the first etalon time that the first playback equipment sends the Bluetooth information；And
According to the time residual quantity of the machine time of the second playback equipment and standard time, obtain the second playback equipment and receive the bluetooth letter
Second etalon time of breath；
According to first etalon time and the second etalon time, the network-induced delay for obtaining the Bluetooth information is poor
Network-induced delay residual quantity is calculated the second playing progress rate of second playback equipment by amount plus the first playing progress rate；
The playing progress rate of second playback equipment is switched into second playing progress rate.
Preferably, first playback equipment is master control intelligent terminal, and the Bluetooth information includes control code information, described
Second playback equipment receives the step of Bluetooth information of the first playback equipment, including：
Second playback equipment scans each control code information of other playback equipments broadcast in current location；
According to each control code information and the device coding of the playback equipment of the broadcast control code information, identification master
Control intelligent terminal；
The control code information for the bluetooth headset broadcast being connected with the master control intelligent terminal is received, and records reception control code
Moment time of information.
Preferably, the Bluetooth information includes control code information, and second playback equipment receives the first playback equipment
The step of Bluetooth information, including：
Second playback equipment scans each control code information of other playback equipments broadcast in current location；
According to the broadcast signal strength of each control code information, the playback equipment for selecting broadcast signal strength most strong is
One playback equipment；
The control code information of the first playback equipment broadcast is received, and records moment time for receiving control code information.
Preferably, second playback equipment scans each control code information of other playback equipments broadcast in current location
The step of before, including：
Second playback equipment receives the request instruction for adding in group, adds in the group；
Obtain the synchronous broadcast document that the group shares.
Preferably, second playback equipment scans each control code information of other playback equipments broadcast in current location
The step of, including：
Second playback equipment is in each control code information of present position sector scanning；
Group number according to being carried in each control code information judges whether into the broadcast singal model being played simultaneously
It encloses；
If so, generation selects that playback equipment is specified as the selection of broadcast signal source to refer in the broadcast signal range
Order.
The present invention also provides a kind of playback equipment, including：
First receiving module, for receiving the Bluetooth information of the first playback equipment；
First acquisition module, for according to the Bluetooth information obtain the first playback equipment the first playing progress rate and
The machine time of first playback equipment and the time residual quantity of standard time send the Bluetooth information to obtain the first playback equipment
The first etalon time；And according to the machine time of the second playback equipment and the time residual quantity of standard time, obtain the second broadcasting
Equipment receives the second etalon time of the Bluetooth information；
Computing module, for according to first etalon time and the second etalon time, obtaining the net of the Bluetooth information
Network-induced delay residual quantity is calculated the second of second playback equipment by network time delay residual quantity plus the first playing progress rate
Playing progress rate；
Handover module, for the playing progress rate of second playback equipment to be switched to second playing progress rate.
Preferably, first playback equipment is master control intelligent terminal, and the Bluetooth information includes control code information, described
First receiving module, including：
For the second playback equipment, each control of other playback equipments broadcast is scanned in current location for first scanning element
Code information；
Recognition unit, for setting according to the playback equipment of each control code information and the broadcast control code information
Standby coding, identifies master control intelligent terminal；
First receiving unit for receiving the control code information of the master control intelligent terminal broadcast, and records reception control
Moment time of code information.
Preferably, the Bluetooth information include control code information, first receiving module, including：
For the second playback equipment, each control of other playback equipments broadcast is scanned in current location for second scanning element
Code information；
Selecting unit for the broadcast signal strength according to each control code information, selects broadcast signal strength most strong
Playback equipment be the first playback equipment；
Second receiving unit for receiving the control code information with first playback equipment broadcast, and records reception control
Moment time of code information processed.
Preferably, the playback equipment, including：
Second receiving module receives the request instruction for adding in group for the second playback equipment, adds in the group；
Second acquisition module, for obtaining the synchronous broadcast document that the group shares.
Preferably, first scanning element or second scanning element, including：
Subelement is scanned, for the second playback equipment in each control code information of present position sector scanning；
Judgment sub-unit is synchronously broadcast for being judged whether to enter according to the group number carried in each control code information
The broadcast signal range put；
Subelement is generated, for if so, generation selects to specify in the broadcast signal range playback equipment as wide
Broadcast the selection instruction of signal source.
Advantageous effects of the present invention：The present invention is broadcasted by BLE and controlled by supporting the bluetooth equipment of BR/EDR and BLE
The mode of code information processed realizes that multiple playback equipments are played simultaneously, from control code information obtain synchronous broadcast document broadcasting into
Degree and standard time, network-induced delay is calculated, so as to which each of state that be played simultaneously for obtaining each playback equipment is accurately broadcast
Degree of putting into.By it is above-mentioned mode be played simultaneously carry out group activity when, only everyone is needed to wear earphone, avoids noise and disturb residents
The problem of.Such as square dance, high-pitched speaker is not required, a quiet square can be jumped out by wearing earphone by every each group member
Dance；Outing/climb the mountain/small party etc. for another example, can be synchronous by the above-mentioned association area that mode is played simultaneously and forms small open
Song, the introduction of synchronous tour guide sight spot etc. are listened, akela is only needed to establish APP groups in advance by smart machine, shares row to other group members
Table, all group members control respective intelligent terminal that the played file updated, each group is played simultaneously according to control code information
It is not interfered with each other between body activity, solves the problems, such as that noise disturbs residents.
Description of the drawings
The method flow schematic diagram that multiple playback equipments of Fig. 1 one embodiment of the invention are played simultaneously；
The playback equipment structure diagram of Fig. 2 one embodiment of the invention；
The structure diagram of first receiving module of Fig. 3 one embodiment of the invention；
The structure diagram of first receiving module of Fig. 4 another embodiment of the present invention；
The playback equipment optimization structure diagram of Fig. 5 one embodiment of the invention；
The structure diagram of first scanning element of Fig. 6 one embodiment of the invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
With reference to Fig. 1, method that multiple playback equipments of one embodiment of the invention are played simultaneously, including：
S1：Second playback equipment receives the Bluetooth information of the first playback equipment.
The playback equipment of the present embodiment includes intelligent terminal, the support BR/ that the bluetooth headset of BR/EDR and BLE is supported in connection
The bluetooth headset or Baffle Box of Bluetooth with playing function of EDR and BLE.
S2：The first playing progress rate and first playback equipment of the first playback equipment are obtained according to above-mentioned Bluetooth information
The machine time and the time residual quantity of standard time, when sending the first standard of the Bluetooth information to obtain the first playback equipment
It carves；And it according to the machine time of the second playback equipment and the time residual quantity of standard time, obtains described in the reception of the second playback equipment
Second etalon time of Bluetooth information.
The Bluetooth information of the present embodiment includes standard time, played file progress moment etc..The standard time of the present embodiment
For the standard time of network current time zone, such as Beijing time etc., the machine time of each playback equipment and the difference of standard time
Amount is different, and effect is played simultaneously in influence.Each playback equipment need not expend network traffics during being played simultaneously in the present embodiment,
The Bluetooth information realization sent by blue tooth wireless technology is played simultaneously, and reduces use cost.
S3：According to first etalon time and the second etalon time, the network-induced delay of the Bluetooth information is obtained
Network-induced delay residual quantity is calculated the second playing progress rate of above-mentioned second playback equipment by residual quantity plus the first playing progress rate.
This step passes through the first playing progress rate of the first playback equipment, the machine time of the first playback equipment and standard time
Time residual quantity and the machine time of the second playback equipment and the time residual quantity of standard time, calculate the second playback equipment and realize
The second playing progress rate being played simultaneously with the first playback equipment.
S4：The playing progress rate of above-mentioned second playback equipment is switched into above-mentioned second playing progress rate.
By the playing progress rate of the second playback equipment of automatic switchover to the second playing progress rate, realization is played simultaneously this step.
By the volume+of bluetooth headset and power button 2 seconds of pinning master control intelligent terminal simultaneously in one embodiment of the invention, into " same
Step is broadcast " master control play mode, pin bluetooth headset volume +/- key selection playlist, by power button, start to play in order
File in played file list, such as song.While the bluetooth headset of the master control intelligent terminal of the present embodiment commences play out,
By BLE Broadcasting Control code information, other bluetooth headsets from control intelligent terminal are entered by controlling volume-and power button 2 seconds
" synchronously broadcasting " opens BLE scannings from control play mode, while from the bluetooth headset of control intelligent terminal, and the BLE for scanning periphery is wide
Signal is broadcast, obtains the control code information of the bluetooth headset of master control intelligent terminal, the conversion of elapsed time error is recalculated from control intelligence
The playing progress rate moment of energy terminal to determine just in the playing progress rate of played file, starts from this playing progress rate played file, than
Such as song.Simultaneously its control code information obtained is broadcasted also by BLE from the bluetooth headset of control intelligent terminal.The present embodiment is being broadcast
During putting, in order to ensure that effect is played simultaneously, by the way that the +/- button of volume is controlled to adjust playing progress rate.To reach master control intelligence
Terminal and reach and be accurately played simultaneously substantially from control intelligent terminal.
Further, first playback equipment of the present embodiment is master control intelligent terminal, and Bluetooth information includes control code information,
Step S1, including：
S10：Second playback equipment scans each control code information of other playback equipments broadcast in current location.
For intelligent terminal including smart mobile phone etc., the playback equipment of the present embodiment is the intelligence of connection bluetooth headset in the present embodiment
Energy mobile phone, the audio connection mode between smart mobile phone and bluetooth headset include A2DP agreements (Advanced Audio
Distribution Profile Bluetooth audio frequency modes agreement) or BLE (Bluetooth Low Energy, the low work(of bluetooth
Consumption).The bluetooth headset of the present embodiment supports the point-to-point radio-frequency communication functions of BR/EDR and BLE broadcast capabilities, BR (Basic
Rate, basal rate) operation, momentary rate is up to 1Mbit/s, EDR (Enhanced Data Rate enhance data transfer rate) operation
For π/4-DPSK and 8DPSK schemes, momentary rate is respectively up to 2Mbit/s and 3Mbit/s.The present embodiment passes through bluetooth radio
Technology realizes that multiple playback equipments are played simultaneously, to save network traffics.The Bluetooth information of the present embodiment, which refers to, passes through bluetooth headset
The control code information broadcasted using BLE, above-mentioned control code information are included：Group number, standard time send broadcast moments, broadcast
Table sequence number is emplaced, plays song number, plays song progress moment etc..The playback equipment of other embodiments of the invention is with indigo plant
The intelligent terminal of tooth function or the bluetooth equipment with playing function, user can also realize the present invention's by wearing common headphones
Technical solution.
S11：According to each control code information and the device coding of the playback equipment of the broadcast control code information, know
Other master control intelligent terminal.
The present embodiment by others from control intelligent terminal respectively using master control intelligent terminal as standard, realization is played simultaneously,
Be conducive to improve the uniformity being played simultaneously.The present embodiment is by identifying the bluetooth headset carried in each control code information
Device coding finds the bluetooth headset being connected with master control intelligent terminal, and then finds master control intelligent terminal, to receive master control intelligence
The broadcast state of terminal is played simultaneously in information, realization with master control intelligent terminal.
S12：When receiving the control code information of the master control intelligent terminal broadcast, and recording the time for receiving control code information
It carves.
The broadcast state of the master control intelligent terminal carried in the Bluetooth information that this step is broadcasted by master control intelligent terminal
During control code information, while the receiving time moment is recorded, more accurately to calculate the second playing progress rate of the second playback equipment, with
Improve the accuracy being played simultaneously with the first playback equipment.
Further, in another embodiment of the present invention, Bluetooth information include control code information, step S1, including：
S13：Second playback equipment scans each control code information of other playback equipments broadcast in current location.
The function of the playback equipment of the present embodiment and the content of control code information are identical with the S10 in upper embodiment, no
It repeats.
S14：According to the broadcast signal strength of each control code information, the playback equipment for selecting broadcast signal strength most strong
For the first playback equipment.
The BLE signal transmission distances of the present embodiment can theoretically reach 100 meters or more, but consider interference, power consumption etc. because
Element, bluetooth wireless signal is deteriorated after distance is more than 50 meters, when group member is more or when handing over scattered, all directly with master control intelligence eventually
It holds and is synchronized for reference standard ineffective, the present embodiment is by the bluetooth headset of adjacent intelligent terminal control code information
Since the bluetooth headset of master control intelligent terminal, force transfer is carried out successively, and the present embodiment expands blue tooth wireless technology networking
Scope, be suitble to the numerous group activity of number.The BLE broadcast messages of the present embodiment are open, each intelligent terminals on periphery
Bluetooth headset can scan, when the intelligent terminal for connecting bluetooth headset is more, there are many broadcast letters on periphery
Breath, forms open broadcast singal network area, the bluetooth headset apart from master control intelligent terminal it is remote from control intelligent terminal
Bluetooth headset can obtain control code information from other bluetooth headsets from control intelligent terminal near it so that control code information
After the bluetooth headset of master control intelligent terminal is sent, by delivering in relays, each controlled from the bluetooth headset of control intelligent terminal
After code information processed, transmission can be calculated according to the playing progress rate carried in control code information and with the time difference amount of standard time
Then time delay obtains the playing progress rate moment being accurately played simultaneously by adding the propagation delay time, from control intelligence eventually
The bluetooth headset at end broadcasts the control code information of acquisition simultaneously, to pass to other adjacent bluetooth ears from control intelligent terminal
Machine.The present embodiment is same as above an embodiment by the principle that control code information realization is played simultaneously, the reference mark being simply played simultaneously
Accurate different, playing progress rate conversion reference standards are also different.
S15：When receiving the control code information of the first playback equipment broadcast, and recording the time for receiving control code information
It carves.
Further, before step S10 or S13, including：
S16：Second playback equipment receives the request instruction for adding in group, adds in the group.
The present embodiment by under WIFI environment download synchronous broadcast document to master control mobile phone end, such as：Song etc.
Audio file.Then by setting up group in " being played simultaneously " APP of master control mobile phone end, synchronous broadcast document list is total to
Enjoy to every group member from control mobile phone end and be stored in respectively from control mobile phone end.The bluetooth ear of the embodiment of the present invention
Machine does not have playing function, and playback equipment is the smart mobile phone of connection bluetooth headset, and played file is to be established with bluetooth headset
It is stored in the smart mobile phone of A2DP connections.The playback equipment of another embodiment of the present invention is the bluetooth headset with playing function
Or Baffle Box of Bluetooth, played file are that bluetooth headset or Baffle Box of Bluetooth are locally stored.
S17：Obtain the synchronous broadcast document that the group shares.
Storage folder/the filename for the synchronous broadcast document that the present embodiment obtains is by " being played simultaneously " APP according to broadcasting
It is self-defined to put listed files progress, can not at will change, it is identical with content so as to the played file list sequence number of each member, with
Just being played simultaneously for broadcasting content is realized according to the sequence number of played file list.Local play is supported in other embodiments of the invention
Bluetooth headset or Baffle Box of Bluetooth, the storage that bluetooth headset or Baffle Box of Bluetooth are clipped to by the file for copying synchronous broadcast document is empty
Between, it then stores according to the list sequence number and file name of played file list generation, equally cannot also change.
Further, step S10 or S13, including：
S101：Second playback equipment is in each control code information of present position sector scanning.
The control code information of bluetooth equipment broadcast is an open signal area, in the present embodiment around bluetooth headset
There may be the control code information that the bluetooth equipment of other groups is broadcasted, and are identified by the group number carried in control code information
Different groups.
S102：Group number according to being carried in each control code information judges whether into the broadcast letter being played simultaneously
Number scope.
The BLE signal transmission distances of the present embodiment can theoretically reach 100 meters or more, but consider interference/power consumption etc. because
Element with 50 meters of far broadcast signal range regions, determines whether to enter simultaneously by the group number carried in control code information
In the broadcast signal range for needing the group of synchronous movement, in order to stabilize receiving the same of the played file that group's current sync plays
Walk progress msg.
S103：If so, generation selects to specify in the broadcast signal range playback equipment as broadcast signal source
Selection instruction.
The present embodiment is same to improve by being selected in the range of the bluetooth wireless signal defined with reference to synchronous playback equipment
Walk the stability played, continuation.Master control intelligent terminal, wide is included but not limited to according to the selected playback equipment of selection instruction
Broadcast the most strong playback equipment of signal strength.
With reference to Fig. 2, the playback equipment of one embodiment of the invention is used as the second playback equipment, including：
First receiving module 1 receives the Bluetooth information of the first playback equipment for the second playback equipment.
The playback equipment of the present embodiment includes the intelligent terminal that the bluetooth headset of BR/EDR and BLE is supported in connection, Huo Zhezhi
Hold the bluetooth headset or Baffle Box of Bluetooth with playing function of BR/EDR and BLE.
First acquisition module 2, for according to the Bluetooth information obtain the first playback equipment the first playing progress rate and
The machine time of first playback equipment and the time residual quantity of standard time send the Bluetooth information to obtain the first playback equipment
The first etalon time；And according to the machine time of the second playback equipment and the time residual quantity of standard time, obtain the second broadcasting
Equipment receives the second etalon time of the Bluetooth information.
The Bluetooth information of the present embodiment includes standard time, played file progress moment etc..The standard time of the present embodiment
For the standard time of network current time zone, such as Beijing time etc., the machine time of each playback equipment and the difference of standard time
Amount is different, and effect is played simultaneously in influence.Each playback equipment need not expend network traffics during being played simultaneously in the present embodiment,
The Bluetooth information realization sent by blue tooth wireless technology is played simultaneously, and reduces use cost.
Computing module 3, for according to first etalon time and the second etalon time, obtaining the net of the Bluetooth information
Network-induced delay residual quantity is calculated the second of second playback equipment by network time delay residual quantity plus the first playing progress rate
Playing progress rate.
When the present embodiment is by the first playing progress rate of the first playback equipment, the machine time of the first playback equipment and standard
Between time residual quantity and the machine time of the second playback equipment and the time residual quantity of standard time, it is real to calculate the second playback equipment
The second playing progress rate being now played simultaneously with the first playback equipment.
Handover module 4, for the playing progress rate of second playback equipment to be switched to second playing progress rate.
By the playing progress rate of the second playback equipment of automatic switchover to the second playing progress rate, realization is played simultaneously this step.
By the volume+of bluetooth headset and power button 2 seconds of pinning master control intelligent terminal simultaneously in one embodiment of the invention, into " same
Step is broadcast " master control play mode, pin bluetooth headset volume +/- key selection playlist, by power button, start to play in order
File in played file list, such as song.While the bluetooth headset of the master control intelligent terminal of the present embodiment commences play out,
By BLE Broadcasting Control code information, other bluetooth headsets from control intelligent terminal are entered by controlling volume-and power button 2 seconds
" synchronously broadcasting " opens BLE scannings from control play mode, while from the bluetooth headset of control intelligent terminal, and the BLE for scanning periphery is wide
Signal is broadcast, obtains the control code information of the bluetooth headset of master control intelligent terminal, the conversion of elapsed time error is recalculated from control intelligence
Can terminal playing progress rate, to determine, just at the playing progress rate moment of played file, to start from this playing progress rate played file, than
Such as song.Simultaneously its control code information obtained is broadcasted also by BLE from the bluetooth headset of control intelligent terminal.The present embodiment is being broadcast
During putting, in order to ensure that effect is played simultaneously, by the way that the +/- button of volume is controlled to adjust playing progress rate.To reach master control intelligence
Terminal and reach and be accurately played simultaneously substantially from control intelligent terminal.
With reference to Fig. 3, first playback equipment of the present embodiment is master control intelligent terminal, and Bluetooth information includes control code information,
First receiving module 1, including：
For the second playback equipment, each control of other playback equipments broadcast is scanned in current location for first scanning element 10
Code information processed.
For intelligent terminal including smart mobile phone etc., the playback equipment of the present embodiment is the intelligence of connection bluetooth headset in the present embodiment
Energy mobile phone, the audio connection mode between smart mobile phone and bluetooth headset include A2DP agreements (Advanced Audio
Distribution Profile Bluetooth audio frequency modes agreement) or BLE (Bluetooth Low Energy, the low work(of bluetooth
Consumption).The bluetooth headset of the present embodiment supports the point-to-point radio-frequency communication functions of BR/EDR and BLE broadcast capabilities, BR (Basic
Rate, basal rate) operation, momentary rate is up to 1Mbit/s, EDR (Enhanced Data Rate enhance data transfer rate) operation
For π/4-DPSK and 8DPSK schemes, momentary rate is respectively up to 2 and 3Mbit/s.The present embodiment is real by bluetooth radio
Existing multiple playback equipments are played simultaneously, to save network traffics.The Bluetooth information of the present embodiment refers to uses BLE by bluetooth headset
The control code information of broadcast, above-mentioned control code information include：Group number, standard time send broadcast moments, playlist sequence
Number, song number is played, plays song progress moment etc..The playback equipment of other embodiments of the invention is with Bluetooth function
Intelligent terminal or the bluetooth equipment with playing function, user can also realize the technical side of the present invention by wearing common headphones
Case.
Recognition unit 11, for according to the playback equipment of each control code information and the broadcast control code information
Device coding identifies master control intelligent terminal.
The present embodiment by others from control intelligent terminal respectively using master control intelligent terminal as standard, realization is played simultaneously,
Be conducive to improve the uniformity being played simultaneously.The present embodiment is by identifying the bluetooth headset carried in each control code information
Device coding finds the bluetooth headset being connected with master control intelligent terminal, and then finds master control intelligent terminal, to receive master control intelligence
The broadcast state of terminal is played simultaneously in information, realization with master control intelligent terminal.
First receiving unit 12 for receiving the control code information of the master control intelligent terminal broadcast, and records reception control
Moment time of code information processed.
The present embodiment receives the control code information for the broadcast state for carrying master control intelligent terminal by the first receiving unit 12
When, while the receiving time moment is recorded, more accurately to calculate the second playing progress rate of the second playback equipment, to improve and first
The accuracy that playback equipment is played simultaneously.
With reference to Fig. 4, in another embodiment of the present invention, Bluetooth information includes control code information, first receiving module 1,
Including：
For the second playback equipment, each control of other playback equipments broadcast is scanned in current location for second scanning element 13
Code information processed.
The function of second scanning element 13 of the playback equipment of the present embodiment and the content of control code information and upper one are in fact
The first scanning element 10 applied in example is identical, does not repeat.
Selecting unit 14 for the broadcast signal strength according to each control code information, selects broadcast signal strength most
Strong playback equipment is the first playback equipment.
The BLE signal transmission distances of the present embodiment can theoretically reach 100 meters or more, but consider interference, power consumption etc. because
Element, bluetooth wireless signal is deteriorated after distance is more than 50 meters, when group member is more or when handing over scattered, all directly with master control intelligence eventually
It holds and is synchronized for reference standard ineffective, the present embodiment is by the bluetooth headset of adjacent intelligent terminal control code information
Since the bluetooth headset of master control intelligent terminal, force transfer is carried out successively, and the present embodiment expands blue tooth wireless technology networking
Scope, be suitble to the numerous group activity of number.The BLE broadcast messages of the present embodiment are open, each intelligent terminals on periphery
Bluetooth headset can by the second scanning element 13 scan arrive, when connect bluetooth headset intelligent terminal it is more when, week
While there are many broadcast messages, open broadcast singal network area, the bluetooth headset apart from master control intelligent terminal are formd
The remote bluetooth headset from control intelligent terminal can obtain control code from other bluetooth headsets from control intelligent terminal near it
Information so that after the bluetooth headset of control code information from master control intelligent terminal is sent, by delivering in relays, each from control intelligence eventually
It, can be according to the playing progress rate carried in control code information and and standard time after the bluetooth headset at end obtains control code information
Time difference amount calculate the propagation delay time, then by subtract the propagation delay time obtain the broadcasting that is accurately played simultaneously into
The moment is spent, broadcasts the control code information obtained simultaneously from the bluetooth headset of control intelligent terminal, it is other adjacent from control to pass to
The bluetooth headset of intelligent terminal.The present embodiment is same as above an embodiment by the principle that control code information realization is played simultaneously, simply
The reference standard that is played simultaneously is different, the reference standard of playing progress rate conversion is also different.
Second receiving unit 15 for receiving the control code information of the first playback equipment broadcast, and records reception control
Moment time of code information processed.
Reference Fig. 5, the playback equipment of the present embodiment, including：
Second receiving module 16 receives the request instruction for adding in group for the second playback equipment, adds in the group.
The present embodiment by under WIFI environment download synchronous broadcast document to master control mobile phone end, such as：Song etc.
Audio file.Then by setting up group in " being played simultaneously " APP of master control mobile phone end, synchronous broadcast document list is total to
Enjoy to every group member from control mobile phone end and be stored in respectively from control mobile phone end.The bluetooth of one embodiment of the invention
Earphone does not have playing function, and playback equipment is the smart mobile phone of connection bluetooth headset, and played file is to be established with bluetooth headset
It is stored in the smart mobile phones of A2DP connections.The playback equipment of another embodiment of the present invention is the bluetooth ear with playing function
Machine or Baffle Box of Bluetooth, played file are that bluetooth headset or Baffle Box of Bluetooth are locally stored.
Second acquisition module 17, for obtaining the synchronous broadcast document that the group shares.
Storage folder/the filename for the synchronous broadcast document that the present embodiment obtains is by " being played simultaneously " APP according to broadcasting
It is self-defined to put listed files progress, can not at will change, it is identical with content so as to the played file list sequence number of each member, with
Just being played simultaneously for broadcasting content is realized according to the sequence number of played file list.Local play is supported in other embodiments of the invention
Bluetooth headset or Baffle Box of Bluetooth, the storage that bluetooth headset or Baffle Box of Bluetooth are clipped to by the file for copying synchronous broadcast document is empty
Between, it then stores according to the list sequence number and file name of played file list generation, equally cannot also change.
With reference to Fig. 6, the structure phase of first scanning element 10 of the present embodiment and the second scanning element 13 of another embodiment
Together, by taking the first scanning element 10 as an example, including：
Subelement 101 is scanned, for the second playback equipment in each control code information of present position sector scanning.
The control code information of bluetooth equipment broadcast is an open signal area, in the present embodiment around bluetooth headset
There may be other groups bluetooth equipment broadcast control code information, by scanning 101 scan control code information of subelement, with
The group number identification different groups that identification carries.
Judgment sub-unit 102, for being judged whether according to the group number carried in each control code information into same
Walk the broadcast signal range played.
The BLE signal transmission distances of the present embodiment can theoretically reach 100 meters or more, but consider interference/power consumption etc. because
Element with 50 meters of far broadcast signal range regions, determines whether to enter simultaneously by the group number carried in control code information
In the broadcast signal range for needing the group of synchronous movement, in order to stabilize receiving the same of the played file that group's current sync plays
Walk progress msg.
Generate subelement 103, for if so, generation select in the broadcast signal range specified playback equipment as
The selection instruction of broadcast signal source.Master control intelligent terminal, wide is included but not limited to according to the selected playback equipment of selection instruction
Broadcast the most strong playback equipment of signal strength.
The present embodiment is same to improve by being selected in the range of the bluetooth wireless signal defined with reference to synchronous playback equipment
Walk the stability played, continuation.
The embodiment of the present invention is by supporting the bluetooth equipment of BR/EDR and BLE, by the mode of BLE Broadcasting Control code information
Realize that multiple playback equipments are played simultaneously, when the playing progress rate and standard of synchronous broadcast document are obtained from control code information
Between, network-induced delay is calculated, so as to obtain each accurate playing progress rate that state is played simultaneously of each playback equipment.By upper
When stating the mode of being played simultaneously and carrying out group activity, only everyone is needed to wear earphone, avoid the problem of noise disturbs residents.It is such as wide
Field dance, is not required high-pitched speaker, and a quiet square dance can be jumped out by wearing earphone by every each group member；Suburb for another example
Swim/climb the mountain/it is small party etc., can synchronously listen song by the above-mentioned association area that mode is played simultaneously and forms small open, synchronously lead
Sight spot introduction etc. is swum, akela is only needed to establish APP groups in advance by smart machine, shares list, all group members to other group members
According to control code information respective intelligent terminal is controlled to be played simultaneously played file update, it is not mutual between each group activity
It mutually disturbs, solves the problems, such as that noise disturbs residents.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every utilization
It is related to be directly or indirectly used in other for the equivalent structure or equivalent flow shift that description of the invention and accompanying drawing content are made
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of method that multiple playback equipments are played simultaneously, which is characterized in that including：
Second playback equipment receives the Bluetooth information of the first playback equipment；
The first playing progress rate of the first playback equipment and the machine time of the first playback equipment are obtained according to the Bluetooth information
With the time residual quantity of standard time, to obtain the first etalon time that the first playback equipment sends the Bluetooth information；And according to
The machine time of second playback equipment and the time residual quantity of standard time obtain the second playback equipment and receive the Bluetooth information
Second etalon time；
According to first etalon time and the second etalon time, the network-induced delay residual quantity of the Bluetooth information is obtained, it will
Network-induced delay residual quantity calculates the second playing progress rate of second playback equipment plus the first playing progress rate；
The playing progress rate of second playback equipment is switched into second playing progress rate.
2. the method that multiple playback equipments according to claim 1 are played simultaneously, which is characterized in that first broadcasting is set
Standby is master control intelligent terminal, and the Bluetooth information includes control code information, and second playback equipment receives the first playback equipment
Bluetooth information the step of, including：
Second playback equipment scans each control code information of other playback equipments broadcast in current location；
According to each control code information and the device coding of the playback equipment of the broadcast control code information, master control intelligence is identified
It can terminal；
The control code information of the master control intelligent terminal broadcast is received, and records moment time for receiving control code information.
3. the method that multiple playback equipments according to claim 1 are played simultaneously, which is characterized in that the Bluetooth information bag
Include control code information, the step of second playback equipment receives the Bluetooth information of the first playback equipment, including：
Second playback equipment scans each control code information of other playback equipments broadcast in current location；
According to the broadcast signal strength of each control code information, the playback equipment for selecting broadcast signal strength most strong is broadcast for first
Put equipment；
The control code information of the first playback equipment broadcast is received, and records moment time for receiving control code information.
4. the method that multiple playback equipments according to Claims 2 or 3 are played simultaneously, which is characterized in that described second broadcasts
Equipment is put, before the step of each control code information of other playback equipments broadcast is scanned in current location, including：
Second playback equipment receives the request instruction for adding in group, adds in the group；
Obtain the synchronous broadcast document that the group shares.
5. the method that multiple playback equipments according to Claims 2 or 3 are played simultaneously, which is characterized in that described second broadcasts
Put equipment, in current location scan other playback equipments broadcast each control code information the step of, including：
Second playback equipment is in each control code information of present position sector scanning；
Group number according to being carried in each control code information judges whether into the broadcast signal range being played simultaneously；
If so, generation selects to specify selection instruction of the playback equipment as broadcast signal source in the broadcast signal range.
6. a kind of playback equipment, which is characterized in that including：
First receiving module, for receiving the Bluetooth information of the first playback equipment；
First acquisition module, for obtaining the first playing progress rate and first of the first playback equipment according to the Bluetooth information
The machine time of playback equipment and the time residual quantity of standard time, to obtain that the first playback equipment sends the Bluetooth information
One etalon time；And according to the machine time of the second playback equipment and the time residual quantity of standard time, obtain the second playback equipment
Receive the second etalon time of the Bluetooth information；
Computing module, for according to first etalon time and the second etalon time, the network for obtaining the Bluetooth information to prolong
Slow time residual quantity plays network-induced delay residual quantity plus the first playing progress rate calculates second playback equipment second
Progress；
Handover module, for the playing progress rate of second playback equipment to be switched to second playing progress rate.
7. playback equipment according to claim 6, which is characterized in that first playback equipment is master control intelligent terminal,
The Bluetooth information include control code information, first receiving module, including：
For the second playback equipment, each control code letter of other playback equipments broadcast is scanned in current location for first scanning element
Breath；
Recognition unit, for being compiled according to the equipment of each control code information and the playback equipment of the broadcast control code information
Code identifies master control intelligent terminal；
First receiving unit for receiving the control code information of the master control intelligent terminal broadcast, and records and receives control code letter
Moment time of breath.
8. playback equipment according to claim 6, which is characterized in that the Bluetooth information includes control code information, described
First receiving module, including：
For the second playback equipment, each control code letter of other playback equipments broadcast is scanned in current location for second scanning element
Breath；
Selecting unit, for the broadcast signal strength according to each control code information, broadcast signal strength is most strong broadcasts for selection
Equipment is put as the first playback equipment；
Second receiving unit for receiving the control code information with first playback equipment broadcast, and records reception control code
Moment time of information.
9. the playback equipment according to claim 7 or 8, which is characterized in that including：
Second receiving module receives the request instruction for adding in group for the second playback equipment, adds in the group；
Second acquisition module, for obtaining the synchronous broadcast document that the group shares.
10. the playback equipment according to claim 7 or 8, which is characterized in that first scanning element described second is swept
Unit is retouched, including：
Subelement is scanned, for the second playback equipment in each control code information of present position sector scanning；
Judgment sub-unit, for being judged whether to enter what is be played simultaneously according to the group number carried in each control code information
Broadcast signal range；
Subelement is generated, for if so, generation selects that playback equipment is specified as broadcast to believe in the broadcast signal range
The selection instruction in number source.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810054207.5A CN108108146A (en) | 2018-01-19 | 2018-01-19 | The method and playback equipment that multiple playback equipments are played simultaneously |
| PCT/CN2018/077608 WO2019140746A1 (en) | 2018-01-19 | 2018-02-28 | Synchronous playing method of multiple playing devices and playing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810054207.5A CN108108146A (en) | 2018-01-19 | 2018-01-19 | The method and playback equipment that multiple playback equipments are played simultaneously |
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ID=62220193
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| CN201810054207.5A Pending CN108108146A (en) | 2018-01-19 | 2018-01-19 | The method and playback equipment that multiple playback equipments are played simultaneously |
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| WO (1) | WO2019140746A1 (en) |
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| WO2020132818A1 (en) * | 2018-12-24 | 2020-07-02 | 华为技术有限公司 | Wireless short-distance audio sharing method and electronic device |
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| CN113179468A (en) * | 2020-11-05 | 2021-07-27 | 深圳市汇顶科技股份有限公司 | Audio synchronous playing method, device, equipment and storage medium |
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| US11632617B2 (en) | 2020-11-05 | 2023-04-18 | Shenzhen GOODIX Technology Co., Ltd. | Method, apparatus and device for synchronously playing audio |
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| CN113938737A (en) * | 2021-10-19 | 2022-01-14 | 山东亚华电子股份有限公司 | Audio and video synchronization method, system and equipment based on message communication |
| CN113938737B (en) * | 2021-10-19 | 2023-12-15 | 山东亚华电子股份有限公司 | Audio and video synchronization method, system and equipment based on message communication |
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| WO2019140746A1 (en) | 2019-07-25 |
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