CN106448714A - Synchronous playing method of playing devices, apparatus and system thereof - Google Patents
Synchronous playing method of playing devices, apparatus and system thereof Download PDFInfo
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- CN106448714A CN106448714A CN201610882826.4A CN201610882826A CN106448714A CN 106448714 A CN106448714 A CN 106448714A CN 201610882826 A CN201610882826 A CN 201610882826A CN 106448714 A CN106448714 A CN 106448714A
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- playing
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- time point
- playback equipment
- characteristic
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
Abstract
The invention discloses a synchronous playing method of playing devices, an apparatus and a system thereof. The method comprises the following steps of receiving a synchronous playing request; according to the synchronous playing request, reading audio data which needs to be played, wherein the audio data contains a plurality of characteristic data which is inserted according to a preset time point and is used for identifying synchronization; during an audio data playing process, acquiring the characteristic data; and based on the characteristic data, adjusting a playing progress of each playing device so that the playing devices synchronously play the audio data at the time point corresponding to the plurality of characteristic data. In an embodiment of the invention, the plurality of playing devices are controlled to synchronously play the audio data at the time points corresponding to characteristic data respectively so that a system burden of a network burden when the playing devices synchronously play is greatly mitigated.
Description
Technical field
The invention belongs to communication technical field, more particularly, to a kind of synchronous broadcast method of playback equipment, apparatus and system.
Background technology
With the continuous development of the communication technology, the amusement of user also becomes more and more diversified, such as multiple stage playback equipment
(audio amplifier, all kinds of player etc.) is connected by wired or wireless network technology, forms a broadcasting group, synchronous broadcasting identical sound
Happy.Wherein, make the sound delay between multiple devices as far as possible little, thus ensureing consistent in user's sense of hearing, this is that many equipment are synchronous
The key technology play.
At present, the mode realizing playback equipment synchronization broadcasting is that each Frame includes a timestamp, this timestamp
For informing when each playback equipment plays the voice data in this Frame, that is, each playback equipment is about scheduled on certain of future
Time operates same part thing simultaneously.Although each Frame of this mode can obtain accurate reproduction time, meeting
Increase the transmission quantity of data, increase network burden, and playback equipment needs to carry out time verification to each Frame,
Increase the system burden of playback equipment.
Content of the invention
It is an object of the invention to provide a kind of synchronous broadcast method of playback equipment, apparatus and system are it is intended to solve to broadcast
Put system burden when equipment is synchronously play and the larger problem of network burden.
For solving above-mentioned technical problem, the embodiment of the present invention provides technical scheme below：
In a first aspect, the present invention provides a kind of synchronous broadcast method of playback equipment, including：
Receive synchronous playing request；
According to described synchronous playing request, read the voice data needing to play, comprise in described voice data multiple by
According to the insertion of default time point for identifying synchronous characteristic；
During playing audio data, obtain described characteristic；
Based on described characteristic, adjust the playing progress rate of each playback equipment, so that each playback equipment is in multiple characteristics
According to corresponding time point synchronously playing audio frequency data.
Second aspect, the present invention provides a kind of simultaneously playing device of playback equipment, including：
First receiving unit, for receiving synchronous playing request；
Reading unit, for according to described synchronous playing request, reading the voice data needing to play, described voice data
In comprise multiple according to default time point insertion for identifying synchronous characteristic；
Acquiring unit, for, during playing audio data, obtaining described characteristic；
Synchronous adjustment unit, for based on described characteristic, adjusting the playing progress rate of each playback equipment, so that each play
Equipment is in multiple characteristics corresponding time point synchronously playing audio frequency data.
The third aspect, the present invention provides a kind of synchronous playing system, including the playback equipment of main equipment and multiple subordinate,
Wherein playback equipment includes the simultaneously playing device of the playback equipment as second aspect offer；
Described main equipment, for according to default time point, insert in voice data multiple for identifying synchronous spy
Levy data, the voice data after being identified；Voice data after described mark is sent to multiple the broadcasting needing synchronization broadcasting
Put equipment, so that multiple playback equipment synchronizes broadcasting in the corresponding time point of described characteristic.
With respect to prior art, the embodiment of the present invention, by the voice data needing to play, according to the default time
Point insertion multiple for identifying synchronous characteristic；During playback equipment playing audio data, according to this feature
The playing progress rate of each playback equipment of data point reuse, so that each playback equipment is synchronously play in the corresponding time point of this feature data
Voice data；Need not be a timestamp in each Frame, reduce the transmission quantity of data, and playback equipment need not be to each
Frame all carries out time verification, only multiple playback equipments need to be controlled synchronously to broadcast in the corresponding time point of each characteristic respectively
Put voice data, greatly reduce the system burden of network burden when playback equipment is synchronously play.
Brief description
Below in conjunction with the accompanying drawings, by the specific embodiment detailed description to the present invention, technical scheme will be made
And other beneficial effects are apparent.
Fig. 1 is the schematic flow sheet of the synchronous broadcast method of playback equipment provided in an embodiment of the present invention.
Fig. 2 is the schematic diagram of a scenario of the synchronous playing system of playback equipment provided in an embodiment of the present invention.
Fig. 3 is another schematic flow sheet of the synchronous broadcast method of playback equipment provided in an embodiment of the present invention.
Fig. 4 is the structural representation of the simultaneously playing device of playback equipment provided in an embodiment of the present invention.
Fig. 5 is another structural representation of the simultaneously playing device of playback equipment provided in an embodiment of the present invention.
Fig. 6 is the structural representation of terminal provided in an embodiment of the present invention.
Specific embodiment
Refer to schema, wherein identical element numbers represent identical assembly, and the principle of the present invention is to be implemented in one
To illustrate in suitable computing environment.The following description is based on the illustrated specific embodiment of the invention, and it should be by
It is considered as limiting the present invention other specific embodiments not detailed herein.
In the following description, the specific embodiment of the present invention is by with reference to the step performed by or multi-section computer
And symbol is illustrating, unless otherwise stating clearly.Therefore, these steps and operation will have to mention for several times and be executed by computer, this paper institute
The computer execution referring to includes by representing with the computer processing unit of the electronic signal of the data in a structuring pattern
Operation.This operation change this data or be maintained at this computer memory system in position at, it is reconfigurable
Or in the way of known to the tester of this area, in addition to change the running of this computer.The data structure that this data is maintained
For the provider location of this internal memory, it has by particular characteristics defined in this data form.But, the principle of the invention is with above-mentioned literary composition
Illustrating, it is not represented as a kind of restriction to word, and this area tester will appreciate that plurality of step and the behaviour of described below
Also may be implemented in the middle of hardware.
The principle of the present invention is grasped using many other wide usages or specific purpose computing, communication environment or configuration
Make.The example of the known arithmetic system, environment and the configuration that are suitable for the present invention may include the hand-held phone of (but not limited to),
System based on personal computer, server, multicomputer system, micro computer, body frame configuration computer and distributed arithmetic ring
Border, which includes any said system or device.
It is described in detail respectively below.
In the present embodiment, the angle of the simultaneously playing device from playback equipment is described, this playback equipment same
Step playing device specifically can be integrated in multiple playback equipments, such as audio amplifier, all kinds of player etc..
A kind of synchronous broadcast method of playback equipment, including：Receive synchronous playing request；According to synchronous playing request, read
Take need play voice data, wherein comprise in voice data multiple according to default time point insertion for identifying synchronization
Characteristic；During playing audio-fequency data, obtain characteristic；Feature based data, adjusts broadcasting of each playback equipment
Degree of putting into, so that each playback equipment is in multiple characteristics corresponding time point synchronously playing audio frequency data.
Refer to Fig. 1, Fig. 1 is the schematic flow sheet of the synchronous broadcast method of playback equipment provided in an embodiment of the present invention.
Methods described includes：
In step S101, receive synchronous playing request.
In step s 102, according to synchronous playing request, read the voice data needing to play, wrap wherein in voice data
Containing multiple according to default time point insertion for identifying synchronous characteristic.
It is understood that in the music system of the composition of playback equipment more than, having a playback equipment to be responsible for and control
Terminal (as smart mobile phone etc.) communication processed, other that execution is derived from the control command of control terminal and is transmitted in music system is broadcast
Put equipment, the status information of music system and each playback equipment also can be returned to control terminal by this playback equipment simultaneously, bear
The playback equipment blaming these work is referred to as main equipment, and other playback equipments are referred to as from equipment.
In the present embodiment, by multiple synchronous playing request receiving from equipment from control terminal, and then can be same according to this
Step playing request reads the voice data needing to play, and wherein, includes multiple slotting according to default time point in voice data
Enter for identifying synchronous characteristic.
It is understood that multiple characteristics of insertion can be pressed by main equipment in decoding stage in this voice data
Inserted according to default time point；Wherein, this default time point, can be a time cycle, such as, at interval of for the moment
Between section playing duration voice data after insert a characteristic, etc..
In some embodiments, according to synchronous playing request, read the voice data (i.e. step S102) needing to play
Before, can also include：
(1) receive the Frame that main equipment sends.
(2) according to the default sequence number in this Frame, the voice data in Frame is sequentially cached empty to default storage
Between.
Based on this, according to synchronous playing request, read and need the voice data play can specifically include：Broadcast according to synchronous
Put request, read the voice data needing to play from this default memory space.
Such as, receive, from equipment, the voice data including characteristic that main equipment sends, wherein this voice data can
To be packaged as a data frame sending, from equipment according to the default sequence number this Frame, will be corresponding in Frame
Voice data sequentially enter row cache.
In step s 103, during playing audio-fequency data, obtain this feature data.
In step S104, feature based data, adjust the playing progress rate of each playback equipment, so that each playback equipment is many
The corresponding time point synchronously playing audio frequency data of individual characteristic.
Such as, during device plays voice data, when reading characteristic from equipment, meeting is according to this spy
Levy data and insert time point accordingly, synchronous comparison and adjustment are play in execution, from equipment if it find that the playing progress rate of oneself
Slow, then suitably accelerate the broadcasting of follow-up data according to deviation size；From equipment if it find that the playing progress rate of oneself is fast, then
Suitably slow down the broadcasting of follow-up data according to deviation size so that multiple from equipment when this multiple characteristic is corresponding
Between point execution is synchronous plays.
It is understood that realizing feature based data, adjust each playback equipment playing progress rate mode have a lot, than
As in some embodiments, specifically included：
(11) when reading characteristic, determine corresponding time point.
(12) according to this time point, determine the temporal information of currently playing progress.
(13) to characteristic, corresponding time point and this temporal information are compared, and obtain comparative result.
(14) according to comparative result, adjust the playing progress rate of each playback equipment.
That is, when reading characteristic from equipment, it is first determined this feature data inserts time point accordingly,
Meanwhile, determine the temporal information of the playing progress rate of current audio data；Then to this feature data corresponding time point and
This temporal information is compared, and obtains comparative result, if it find that the playing progress rate of oneself is slow, then according to time deviation size
Suitably accelerate the broadcasting of follow-up data；If it find that the playing progress rate of oneself is fast, then suitably slowed down according to time deviation size
The broadcasting of follow-up data or rollback are play, so that each is carried out in the corresponding time point of each characteristic from equipment
Synchronous play operation.
Again such as, in some way of example, feature based data, the playing progress rate adjusting each playback equipment can have
Body includes：
(21) when reading characteristic, generate Synchronization Control instruction.
(22) determine the corresponding time point of this feature data.
(23) instructed according to this Synchronization Control, adjust the corresponding time point of playing progress rate and this feature number of each playback equipment
Consistent according to corresponding time point.
That is, when reading characteristic from equipment, a synchronous control instruction can be automatically generated, determining should simultaneously
The corresponding time point of characteristic, then instructs according to this Synchronization Control, the playing progress rate of adjustment playback equipment.Such as, for
Each from equipment, instructed according to this Synchronization Control, all control and currently open from the corresponding time point of this feature data from equipment itself
Beginning playing audio-fequency data, that is, adjust the corresponding time point of the playing progress rate time point one corresponding with this feature data respectively from equipment
Cause, so that each is carried out synchronous play operation from equipment in the corresponding time point of each characteristic.
It should be noted that the characteristic in the present embodiment, it is only intended to indicate the temporal information play, is not used in and broadcasts
Put, therefore do not affect to play the sound obtaining；By multiple characteristics, broadcasting speed is adjusted it is ensured that each from
Music can synchronously be play between equipment.
From the foregoing, the synchronous broadcast method of the playback equipment of the present embodiment offer, by the audio frequency needing broadcasting
In data, according to default time point insertion multiple for identifying synchronous characteristic；Play described audio frequency in playback equipment
In data procedures, according to the playing progress rate of each playback equipment of this feature data point reuse, so that each playback equipment is in this feature number
According to corresponding time point synchronously playing audio frequency data；Need not be a timestamp in each Frame, reduce the transmission quantity of data,
And playback equipment need not carry out time verification to each Frame, only need to control multiple playback equipments respectively in each feature
Data corresponding time point synchronously playing audio frequency data, has greatly reduced network burden when playback equipment is synchronously play
System burden.
Citing is described in further detail by method according to described by above-described embodiment below.
First, in the synchronous playing system to the present embodiment playback equipment, each playback equipment is simply introduced, and such as can join
Examine Fig. 2, the schematic diagram of a scenario of the synchronous playing system (can abbreviation synchronous playing system) of the playback equipment providing for the present embodiment,
Including multiple playback equipments, the plurality of playback equipment can include the playback equipment of a main equipment and multiple subordinate, wherein,
This playback equipment can be specially mobile phone, audio amplifier or all kinds of player, etc..
It is understood that the present embodiment can pass through NTP (Network Time Protocol) or SNTP
(Simple Network Time Protocol) agreement, the clock of each playback equipment in synchronous playing system.Broadcast synchronous
In place system, a playback equipment is had to be responsible for and control terminal (as smart mobile phone etc.) communication, execution is from the control of control terminal
Make other playback equipments of ordering and being transmitted in synchronous playing system, simultaneously this playback equipment also can by synchronous playing system with
The status information of each playback equipment returns to control terminal, and the playback equipment being responsible for these work is referred to as main equipment, other
Playback equipment can be referred to as from equipment.Each executes NTP or SNTP agreement from equipment periodic, and main equipment synchronised clock, from
And make each playback equipment clock basically identical.
In addition, in this synchronous playing system, having a playback equipment to be responsible for the distribution of voice data, source can be referred to as and set
Standby.The analog audio from internet, LAN, local memory and external memory storage or after Analog-digital Converter for the source device
Frequency inputs, and obtains voice data.Voice data is split into Frame be distributed to each from equipment one by one by source device, each
The reproduction time of Frame is identical.Wherein source device and above-mentioned main equipment, can be same playback equipment or difference
Playback equipment.
Wherein, should be mainly used in receiving the synchronous playing request that main equipment sends from equipment, according to synchronous playing request,
Read the voice data needing to play in caching, wherein in voice data, comprise multiple being used for according to the insertion of default time point
The synchronous characteristic of mark；Then, during playing audio-fequency data, these characteristics are obtained from equipment, and based on spy
Levy data, adjust the playing progress rate of each playback equipment, so that each playback equipment is same in the corresponding time point of multiple characteristics
Step playing audio-fequency data.
Main equipment is mainly used according to default time point, insert in voice data multiple for identifying synchronous feature
Data, the voice data after being identified；Voice data after these are identified sends to the multiple broadcastings needing synchronous broadcasting
Equipment (i.e. from equipment), so that the plurality of operation play in the execution synchronization of these characteristics corresponding time point from equipment.
In addition, this synchronous playing system can also include control terminal (as smart mobile phone etc.), mainly it is responsible for and main equipment
Communicated, and, received the synchronous playing system of main equipment feedback and the status information of each playback equipment, etc..
Hereinafter this synchronous playing flow is made a concrete analysis of：
Refer to Fig. 3, Fig. 3 is that another flow process of the synchronous broadcast method of playback equipment provided in an embodiment of the present invention is illustrated
Figure.Methods described includes：
In step s 201, main equipment receives the order of control terminal, and obtains music data according to this order.
Such as, the order that main equipment receive user is sent by control terminal, and then, main equipment obtains according to this order and deposits
It is stored in the music data of internal or external memory or the webserver and network flow-medium etc..
In step S202, main equipment is decoded to the music data getting, and according to the insertion of default time point
Multiple for identifying synchronous characteristic, obtain voice data.
In step S203, voice data is split into multiple data blocks by main equipment, is that each data block is assigned according to order
Give a sequence number, this data block and sequence number are packaged into Frame, and send to multiple from equipment.
Such as, can be specific, main equipment, by the music data getting, is decoded into what each can be play from equipment
Voice data.And, during decoding generates voice data, main equipment inserts for identifying synchronization in default time point
Characteristic, wherein, this feature data can be the one or more byte datas being different from voice data.
It should be noted that this default time point, it can be a time cycle, such as, at interval of one end identical
A characteristic is inserted after the voice data of playing duration (as 10 seconds).
Such as, a head music of 1 minute, in its voice data obtaining after being decoded, will be 10 seconds in its reproduction time,
20 seconds, 30 seconds, 40 seconds, after the corresponding Data Position of 50 seconds these time points, insert this feature data.That is, a section audio number
According in, can comprise multiple for identifying synchronous characteristic.
Further, and such as, main equipment, by after above-mentioned decoding and insert the voice data of characteristic, splits into one
The data of block block independence, obtains data block；And, it is that every piece of data block gives a sequence number according to order, then by data block
It is packaged into a Frame with sequence number.
Wherein, the size of this data block is set by main equipment.Main equipment can be according to network condition and music data
Size, to arrange the size of each data block, is not specifically described herein.
And then, after the packaged Frame of main equipment, Frame can be sent to need synchronous play from equipment.
In step S204, receive synchronous playing request from equipment, and according to this synchronous playing request, read and need to play
Voice data.
Such as, receive the Frame of main equipment transmission from equipment after, according to the sequence number in Frame, by Frame
Voice data is cached in internal memory in order.
Further, main equipment can send the synchronous playing request commencing play out to each from equipment simultaneously, respectively from equipment
After receiving the synchronous playing request commencing play out, read the voice data in caching, and commence play out.
In step S205, from equipment during playing audio-fequency data, when reading characteristic, corresponding according to it
Time point, adjustment consistent from the corresponding time point of the playing progress rate time point corresponding with described characteristic of equipment.
Such as, during the voice data from device plays caching, when reading described in step S202 from equipment
Characteristic when, from equipment according to the corresponding time point of the characteristic pre-setting (as insertion time point 10 seconds, 20
Second, 30 seconds, 40 seconds, 50 seconds), synchronous comparison and adjustment is play in execution.
From equipment if it find that the playing progress rate of oneself is slow, then follow-up data is suitably accelerated according to time deviation size
Play；From equipment if it find that the playing progress rate of oneself is fast, then broadcasting of follow-up data is suitably slowed down according to time deviation size
Put or carry out rollback broadcasting, so that multiple be performed both by synchronous broadcasting from equipment in the corresponding time point of this multiple characteristic
Put, that is, at the time point of 10 seconds, control and respectively synchronize broadcasting from equipment, at the time point of 20 seconds, control respectively from equipment
Synchronize broadcasting etc., and so on.
Such as, pre-setting is to be provided with a characteristic in every 10 seconds.When the audio frequency number reading song from equipment
According to first characteristic (i.e. instruction play time be 10 seconds) when, if the playing progress rate of current song is 10.2 seconds,
Then illustrate its own broadcasting speed fast it is therefore desirable to suitably slow down broadcasting speed, or time of direct rollback to 10 seconds
Point plays out.
When second characteristic (i.e. instruction play time is 20 seconds) of the voice data reading song from equipment,
If the playing progress rate of current song is 19.8 seconds, illustrate its own broadcasting speed partially slow it is therefore desirable to suitable accelerate to broadcast
Put speed, or jump directly to the time point of 20 seconds and play out.Further feature data is processed successively in this mode.
That is, either broadcasting speed is fast or slow, when reading characteristic from equipment, need first
Get the play time of this feature data instruction, and control each corresponding time point of playing progress rate from equipment and this spy
Levy the corresponding time point of data consistent, control in multiple time points respectively and respectively synchronize broadcasting from equipment.
It should be noted that the characteristic in the present embodiment, it is only intended to indicate the temporal information play, is not used in and broadcasts
Put, therefore do not affect to play the sound obtaining；By multiple characteristics, broadcasting speed is adjusted it is ensured that each from
Music can synchronously be play between equipment.
The occasion synchronously play in some many playback equipments is if playback equipment ratio is relatively decentralized, such as very big at one
, it is contemplated that the speed of transfer voice, the synchronism that multiple stage playback equipment is play is or not space or multiple rooms of being scattered in building
Require very high, therefore, it is possible to use the more simple and economical synchronous broadcast mode that this programme proposes, greatly reduced net
The system burden of network burden.
From the foregoing, the synchronous broadcast method of the playback equipment of the present embodiment offer, by the audio frequency needing broadcasting
In data, according to default time point insertion multiple for identifying synchronous characteristic；Play described audio frequency in playback equipment
In data procedures, according to the playing progress rate of each playback equipment of this feature data point reuse, so that each playback equipment is in this feature number
According to corresponding time point synchronously playing audio frequency data；That is, main equipment is being sent to from the voice data of equipment, insertion
The characteristic pre-setting.To be identified with this characteristic from equipment and to adjust the broadcasting speed of oneself.Main equipment need not be
A timestamp in each Frame, reduces the transmission quantity of data, and the playback equipment of subordinate is without to each Frame
All carry out time verification, only the playback equipment of multiple subordinates need to be controlled synchronously to broadcast in the corresponding time point of each characteristic respectively
Put voice data, greatly reduce the system burden of network burden when playback equipment is synchronously play, operation stream simultaneously
Journey is simple, and the difficulty of functional development person also greatly reduces.
For ease of the more preferable synchronous broadcast method implementing playback equipment provided in an embodiment of the present invention, the embodiment of the present invention
A kind of apparatus and system of the synchronous broadcast method based on above-mentioned playback equipment is also provided.The wherein implication of noun and above-mentioned broadcasting
Identical in the method that the synchronization of equipment is play, implement details and may be referred to the explanation in embodiment of the method.
Refer to Fig. 4, Fig. 4 is the structural representation of the simultaneously playing device 300 of playback equipment provided in an embodiment of the present invention
Figure, the simultaneously playing device 300 of wherein this playback equipment can include the first receiving unit 301, reading unit 302, obtain list
Unit 303 and synchronous adjustment unit 304.
First receiving unit 301, for receiving synchronous playing request；Reading unit 302, for according to described synchronous broadcasting
Request, reads the voice data needing to play, and comprises multiple being used for according to the insertion of default time point in described voice data
The synchronous characteristic of mark.
It is understood that in the music system of the composition of playback equipment more than, having a playback equipment to be responsible for and control
Terminal (as smart mobile phone etc.) communication processed, other that execution is derived from the control command of control terminal and is transmitted in music system is broadcast
Put equipment, the status information of music system and each playback equipment also can be returned to control terminal by this playback equipment simultaneously, bear
The playback equipment blaming these work is referred to as main equipment, and other playback equipments are referred to as from equipment.
In the present embodiment, by multiple synchronous playing request receiving from equipment from control terminal, and then can be same according to this
Step playing request reads the voice data needing to play, and wherein, includes multiple slotting according to default time point in voice data
Enter for identifying synchronous characteristic.
It is understood that multiple characteristics of insertion can be pressed by main equipment in decoding stage in this voice data
Inserted according to default time point；Wherein, this default time point, can be a time cycle, such as, at interval of for the moment
Between section playing duration voice data after insert a characteristic, etc..
Acquiring unit 303, for, during playing audio data, obtaining described characteristic.Synchronous adjustment list
Unit 304, for based on described characteristic, adjusting the playing progress rate of each playback equipment, so that each playback equipment is in multiple features
Data corresponding time point synchronously playing audio frequency data.
Such as, during device plays voice data, when reading characteristic from equipment, meeting is according to this spy
Levy data and insert time point accordingly, synchronous comparison and adjustment are play in execution, from equipment if it find that the playing progress rate of oneself
Slow, then suitably accelerate the broadcasting of follow-up data according to deviation size；From equipment if it find that the playing progress rate of oneself is fast, then
Suitably slow down the broadcasting of follow-up data according to deviation size so that multiple from equipment when this multiple characteristic is corresponding
Between point execution is synchronous plays.
Please also refer to Fig. 5, it is another structure of the simultaneously playing device 400 of playback equipment provided in an embodiment of the present invention
The simultaneously playing device 400 of schematic diagram, wherein this playback equipment can also include：
Second receiving unit 305, for receiving the Frame of main equipment transmission.
Buffer unit 306, for according to the default sequence number in described Frame, the voice data in Frame sequentially being delayed
Deposit to default memory space.
Based on this, described reading unit 302, for according to described synchronous playing request, from described default memory space
Read the voice data needing to play.
Such as, receive, from equipment, the voice data including characteristic that main equipment sends, wherein this voice data can
To be packaged as a data frame sending, from equipment according to the default sequence number this Frame, will be corresponding in Frame
Voice data sequentially enter row cache.
It is understood that realizing feature based data, adjust each playback equipment playing progress rate mode have a lot, than
As shown in figure 5, this synchronous adjustment unit 304 can include：
First determination subelement 3041, for when reading characteristic, determining corresponding time point.
Second determination subelement 3042, for according to described time point, determining the temporal information of currently playing progress.
Comparing unit 3043, is compared for time point corresponding to described characteristic and described temporal information,
Obtain comparative result.
First adjustment subelement 3044, for according to described comparative result, adjusting the playing progress rate of each playback equipment.
That is, when reading characteristic from equipment, it is first determined this feature data inserts time point accordingly,
Meanwhile, determine the temporal information of the playing progress rate of current audio data；Then to this feature data corresponding time point and
This temporal information is compared, and obtains comparative result, if it find that the playing progress rate of oneself is slow, then according to time deviation size
Suitably accelerate the broadcasting of follow-up data；If it find that the playing progress rate of oneself is fast, then suitably slowed down according to time deviation size
The broadcasting of follow-up data or rollback are play, so that each is carried out in the corresponding time point of each characteristic from equipment
Synchronous play operation.
Again such as, in some way of example, as shown in figure 5, this synchronous adjustment unit 304 can also include：
Generate subelement 3045, for when reading characteristic, generating Synchronization Control instruction.
3rd determination subelement 3046, for determining the corresponding time point of this feature data.
Second adjustment subelement 3047, instructs according to this Synchronization Control, the playing progress rate adjusting each playback equipment is corresponding
Time point time point corresponding with this feature data is consistent.
That is, when reading characteristic from equipment, a synchronous control instruction can be automatically generated, determining should simultaneously
The corresponding time point of characteristic, then instructs according to this Synchronization Control, the playing progress rate of adjustment playback equipment.Such as, for
Each from equipment, instructed according to this Synchronization Control, all control and currently open from the corresponding time point of this feature data from equipment itself
Beginning playing audio-fequency data, that is, adjust the corresponding time point of the playing progress rate time point corresponding with this feature data of each playback equipment
Unanimously, so that each is carried out synchronous play operation from equipment in the corresponding time point of each characteristic.
It should be noted that the characteristic in the present embodiment, it is only intended to indicate the temporal information play, is not used in and broadcasts
Put, therefore do not affect to play the sound obtaining；By multiple characteristics, broadcasting speed is adjusted it is ensured that each from
Music can synchronously be play between equipment.
When being embodied as, above unit can be realized as independent entity it is also possible to be combined, and makees
To realize for same or several entities, being embodied as of above unit can be found in embodiment of the method above, and here is not
Repeat again.
The simultaneously playing device of this playback equipment specifically can be integrated in multiple playback equipments, such as audio amplifier, all kinds of broadcasting
Device etc..
From the foregoing, the simultaneously playing device of the playback equipment of the present embodiment offer, by the audio frequency needing broadcasting
In data, according to default time point insertion multiple for identifying synchronous characteristic；Play described audio frequency in playback equipment
In data procedures, according to the playing progress rate of each playback equipment of this feature data point reuse, so that each playback equipment is in this feature number
According to corresponding time point synchronously playing audio frequency data；Need not be a timestamp in each Frame, reduce the transmission quantity of data,
And playback equipment need not carry out time verification to each Frame, only need to control multiple playback equipments respectively in each feature
Data corresponding time point synchronously playing audio frequency data, has greatly reduced network burden when playback equipment is synchronously play
System burden.
In addition, the present invention also provides a kind of synchronous playing system of playback equipment, refer to playback equipment as shown in Figure 2
Synchronous playing system, the playback equipment (referred to as from equipment) including main equipment and multiple subordinate, the wherein broadcasting of this subordinate
Equipment includes the simultaneously playing device of arbitrary playback equipment that example provided is performed as described above.
Such as, it is mainly used in receiving the synchronous playing request that main equipment sends from equipment, according to synchronous playing request, slow
Deposit middle read need play voice data, wherein comprise in voice data multiple according to default time point insertion for marking
Know synchronous characteristic；Then, during playing audio-fequency data, these characteristics are obtained from equipment, and feature based
Data, adjusts the playing progress rate of each playback equipment, so that each playback equipment is synchronous in the corresponding time point of multiple characteristics
Playing audio-fequency data.
In some embodiments, from equipment according to described synchronous playing request, read need the voice data play it
Before, also include：Receive the Frame that main equipment sends, and according to the default sequence number in described Frame, by the sound in Frame
Frequency evidence sequentially caches to default memory space；Thus, according to synchronous playing request, reading from described default memory space needs
Voice data to be play.
Further, it is based on described characteristic from equipment, the mode adjusting the playing progress rate of each playback equipment has a lot,
Such as, when reading characteristic, determine corresponding time point；According to described time point, determine currently playing progress when
Between information；To described characteristic, corresponding time point and described temporal information are compared, and obtain comparative result；According to institute
State comparative result, adjust the playing progress rate of each playback equipment.
Again such as, when reading characteristic, generate Synchronization Control instruction；Determine the described characteristic corresponding time
Point；Instructed according to described Synchronization Control, adjust the corresponding time point of playing progress rate of each playback equipment and described characteristic phase
The time point answered is consistent.
In addition, this system also includes main equipment, for according to default time point, insert in voice data multiple for
The synchronous characteristic of mark, the voice data after being identified；Voice data after described mark is sent to needing synchronization
The multiple playback equipments (from equipment) play, so that multiple playback equipment synchronizes in the corresponding time point of described characteristic
Play.
Further, this main equipment can be also used for：Voice data after mark is split as multiple data blocks, according to suitable
Sequence is that each data block gives a sequence number, and described data block and described sequence number are packaged into Frame, and sends to multiple
Playback equipment, that is, from equipment.
It is understood that the structure of the simultaneously playing device of this playback equipment and functional realiey may refer to pin above
Detailed description to the simultaneously playing device of playback equipment, here is omitted.
The present invention also provides a kind of terminal, the such as terminal such as panel computer, mobile phone, audio amplifier, refers to Fig. 6, and Fig. 6 is the present invention
The terminal structure schematic diagram that embodiment provides.This terminal 500 can include radio frequency (RF, Radio Frequency) circuit 501,
Include the memory 502 of one or more computer-readable recording mediums, input block 503, display unit 504, pass
Sensor 504, voicefrequency circuit 506, Wireless Fidelity (WiFi, Wireless Fidelity) module 507, include one or one
The part such as the processor 508 of individual above processing core and power supply 509.It will be understood by those skilled in the art that shown in Fig. 6
Terminal structure not structure paired terminal restriction, ratio can be included and illustrate more or less of part, or combine some portions
Part, or different part arrangements.
Radio circuit 501 can be used for receiving and sending messages, or the reception of signal and transmission in communication process, especially, by base station
Downlink information receive after, transfer to one or more than one processor 508 processed；In addition, up data is activation will be related to
To base station.Generally, radio circuit 501 includes but is not limited to antenna, at least one amplifier, tuner, one or more vibration
Device, subscriber identity module (SIM, Subscriber Identity Module) card, transceiver, coupler, low noise amplification
Device (LNA, Low Noise Amplifier), duplexer etc..Additionally, radio circuit 501 can also pass through radio communication and network
With other equipment communication.This radio communication can use arbitrary communication standard or agreement, including but not limited to global system for mobile telecommunications
System (GSM, Global System of Mobile communication), general packet radio service (GPRS, General
Packet Radio Service), CDMA (CDMA, Code Division Multiple Access), wideband code division many
Location (WCDMA, Wideband Code Division Multiple Access), Long Term Evolution (LTE, Long Term
Evolution), Email, Short Message Service (SMS, Short Messaging Service) etc..
Memory 502 can be used for storing application program data.Include and can hold in the application program of memory 502 storage
Line code.Application program can form various functions module.Processor 508 passes through to run the application journey being stored in memory 502
Sequence, thus execute various function application and data processing.Memory 502 can mainly include storing program area and data storage
Area, wherein, storing program area can application program needed for storage program area, at least one function (such as sound-playing function,
Image player function etc.) etc.；Storage data field can store according to terminal using data (the such as voice data, electricity being created
Script for story-telling etc.) etc..Additionally, memory 502 can include high-speed random access memory, nonvolatile memory can also be included,
For example, at least one disk memory, flush memory device or other volatile solid-state parts.Correspondingly, memory 502 is gone back
Memory Controller can be included, to provide the access to memory 502 of processor 508 and input block 503.
Input block 503 can be used for numeral, character information or the user's characteristic information (such as fingerprint) of receives input, and
Produce the keyboard relevant with user setup and function control, mouse, action bars, optics or trace ball signal input.Specifically
Ground, in a specific embodiment, input block 503 may include Touch sensitive surface and other input equipments.Touch sensitive surface,
Referred to as touch display screen or Trackpad, can collect user thereon or neighbouring touch operation (such as user uses finger, touches
Any suitable object or annex operations on Touch sensitive surface or near Touch sensitive surface such as pen), and according to set in advance
Formula drives corresponding attachment means.Optionally, Touch sensitive surface may include touch detecting apparatus and two parts of touch controller.
Wherein, touch detecting apparatus detect the touch orientation of user, and detect the signal that touch operation brings, and transmit a signal to touch
Controller；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives process
Device 508, and can the order sent of receiving processor 508 being executed.Furthermore, it is possible to adopt resistance-type, condenser type, infrared ray
And the polytype such as surface acoustic wave realizes Touch sensitive surface.Except Touch sensitive surface, input block 503 can also include other inputs
Equipment.Specifically, other input equipments can include but is not limited to physical keyboard, function key (such as volume control button, switch
Button etc.), fingerprint recognition module, trace ball, mouse, one or more of action bars etc..
Display unit 504 can be used for display and by the information of user input or is supplied to the information of user and the various of terminal
Graphical user interface, these graphical user interface can be made up of figure, text, icon, video and its any combination.Display
Unit 504 may include display floater.Optionally, can using liquid crystal display (LCD, Liquid Crystal Display),
The forms such as Organic Light Emitting Diode (OLED, Organic Light-Emitting Diode) are configuring display floater.Further
, Touch sensitive surface can cover display floater, when Touch sensitive surface detects thereon or after neighbouring touch operation, sends process to
Device 508, to determine the type of touch event, provides accordingly according to the type of touch event on a display panel with preprocessor 508
Visual output.Although in figure 6, Touch sensitive surface and display floater are to realize inputting as two independent parts and to input
Function, but in some embodiments it is possible to will be integrated to Touch sensitive surface and display floater and realize input and output function.
Terminal may also include at least one sensor 505, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor may include ambient light sensor and proximity transducer, and wherein, ambient light sensor can be according to ambient light
The brightness to adjust display floater for the light and shade, proximity transducer can cut out display floater and/or the back of the body when terminal moves in one's ear
Light.As one kind of motion sensor, Gravity accelerometer can detect (generally three axles) acceleration in all directions
Size, can detect that size and the direction of gravity when static, can be used for identify mobile phone attitude application (such as horizontal/vertical screen switching,
Dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；Can also configure as terminal
Gyroscope, barometer, hygrometer, thermometer, the other sensors such as infrared ray sensor, will not be described here.
Voicefrequency circuit 506 can provide the COBBAIF between user and terminal by loudspeaker, microphone.Voicefrequency circuit
The voice data receiving can be converted into electric signal by 506, be transferred to loudspeaker, be converted to voice signal output by loudspeaker；
On the other hand, the voice signal of collection is converted to electric signal by microphone, is converted to audio frequency number by voicefrequency circuit 506 after being received
According to then after processing voice data output processor 508, through radio circuit 501 being sent to such as another terminal, or by sound
Frequency data output is to memory 502 to process further.Voicefrequency circuit 506 is also possible that earphone jack, to provide peripheral hardware
Earphone and the communication of terminal.
Wireless Fidelity (WiFi) belongs to short range wireless transmission technology, and terminal can be helped by wireless fidelity module 507
User sends and receive e-mail, browses webpage and access streaming video etc., and it has provided the user wireless broadband internet and has accessed.
Although Fig. 6 shows wireless fidelity module 507, but it is understood that, it is simultaneously not belonging to must be configured into of terminal, completely may be used
To omit in the scope of essence not changing invention as needed.
Processor 508 is the control centre of terminal, using the various pieces of various interfaces and the whole terminal of connection, leads to
Cross and run or execute the application program being stored in memory 502, and call the data being stored in memory 502, execution
The various functions of terminal and processing data, thus carry out integral monitoring to terminal.Optionally, processor 508 may include one or
Multiple processing cores；Preferably, processor 508 can integrated application processor and modem processor, wherein, application processor
Main process operating system, user interface and application program etc., modem processor mainly processes radio communication.It is appreciated that
, above-mentioned modem processor can not also be integrated in processor 508.
Terminal also includes the power supply 509 (such as battery) powered to all parts.Preferably, power supply can pass through power supply pipe
Reason system is logically contiguous with processor 508, thus realizing management charging, electric discharge and power managed by power-supply management system
Etc. function.Power supply 509 can also include one or more direct current or AC power, recharging system, power failure inspection
The random component such as slowdown monitoring circuit, power supply changeover device or inverter, power supply status indicator.
Although not shown in Fig. 6, terminal can also include camera, bluetooth module etc., will not be described here.
Specifically in the present embodiment, the processor 508 in terminal can be according to following instruction, will be one or more
The corresponding executable code of process of application program is loaded in memory 502, and to be run by processor 508 and be stored in storage
Application program in device 502, thus realize various functions：
Receive synchronous playing request；According to described synchronous playing request, read the voice data needing to play, described audio frequency
Comprise in data multiple according to default time point insertion for identifying synchronous characteristic；In playing audio data
During, obtain described characteristic；Based on described characteristic, adjust the playing progress rate of each playback equipment, so that each play
Equipment is in multiple characteristics corresponding time point synchronously playing audio frequency data.
In some embodiments, processor 508 also runs the application program being stored in memory 502, thus realizing
Following function：Receive the Frame that main equipment sends；According to the default sequence number in described Frame, by the audio frequency number in Frame
According to sequentially caching to default memory space.
Based on this, processor 508, according to described synchronous playing request, reads from described default memory space and needs to play
Voice data.
In some embodiments, processor 508, when reading characteristic, determines corresponding time point；According to institute
State time point, determine the temporal information of currently playing progress；Corresponding time point and letter of described time to described characteristic
Breath is compared, and obtains comparative result；According to described comparative result, adjust the playing progress rate of each playback equipment.
In some embodiments, when reading characteristic, generate Synchronization Control instruction；Determine described characteristic
Corresponding time point；According to described Synchronization Control instruct, adjust each playback equipment the corresponding time point of playing progress rate with described
The corresponding time point of characteristic is consistent.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion described in detail in certain embodiment
Point, may refer to the detailed description of the synchronous broadcast method above with respect to playback equipment, here is omitted.
The simultaneously playing device of described playback equipment provided in an embodiment of the present invention, such as computer, panel computer, tool
There is the synchronization of the playback equipment in mobile phone of touch function etc., the simultaneously playing device of described playback equipment and foregoing embodiments
Player method belongs to same design, can run the synchronization of described playback equipment on the simultaneously playing device of described playback equipment
The either method providing in player method embodiment, it implements the synchronous broadcast method reality that process refers to described playback equipment
Apply example, here is omitted.
It should be noted that for the synchronous broadcast method of playback equipment of the present invention, this area common test people
Member is appreciated that to realize all or part of flow process of the synchronous broadcast method of playback equipment described in the embodiment of the present invention, is to lead to
Cross computer program to control the hardware of correlation to complete, described computer program can be stored in an embodied on computer readable storage and be situated between
In matter, such as it is stored in the memory of terminal, and by least one computing device in this terminal, can wrap in the process of implementation
Include the flow process of the embodiment of synchronous broadcast method as described playback equipment.Wherein, described storage medium can be magnetic disc, light
Disk, read-only storage (ROM, Read Only Memory), random access memory (RAM, Random Access Memory)
Deng.
For the simultaneously playing device of the described playback equipment of the embodiment of the present invention, its each functional module can be integrated in
In one process chip or modules are individually physically present it is also possible to two or more modules are integrated in one
In individual module.Above-mentioned integrated module both can be to be realized in the form of hardware, it would however also be possible to employ the form of software function module
Realize.If described integrated module realized using in the form of software function module and as independent production marketing or use when,
Can also be stored in a computer read/write memory medium, described storage medium is such as read-only storage, disk or light
Disk etc..
The synchronous broadcast method of a kind of playback equipment that the embodiment of the present invention is provided, apparatus and system are carried out above
It is discussed in detail, specific case used herein is set forth to the principle of the present invention and embodiment, above example
Illustrate that being only intended to help understands the method for the present invention and its core concept；Simultaneously for those skilled in the art, according to this
The thought of invention, all will change in specific embodiments and applications, and in sum, this specification content should not
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of synchronous broadcast method of playback equipment is it is characterised in that include：
Receive synchronous playing request；
According to described synchronous playing request, read the voice data needing to play, comprise in described voice data multiple according to pre-
If time point insertion for identifying synchronous characteristic；
During playing audio data, obtain described characteristic；
Based on described characteristic, adjust the playing progress rate of each playback equipment, so that each playback equipment is in multiple characteristics pair
The time point synchronously playing audio frequency data answered.
2. the synchronous broadcast method of playback equipment according to claim 1 is it is characterised in that described broadcast according to described synchronization
Put request, before reading the voice data needing to play, also include：
Receive the Frame that main equipment sends；
According to the default sequence number in described Frame, the voice data in Frame is sequentially cached to default memory space；
Described according to described synchronous playing request, read and need the voice data play to include：According to described synchronous playing request,
The voice data needing to play is read from described default memory space.
3. playback equipment according to claim 1 and 2 synchronous broadcast method it is characterised in that described based on described spy
Levy data, adjust the playing progress rate of each playback equipment, including：
When reading characteristic, determine corresponding time point；
According to described time point, determine the temporal information of currently playing progress；
To described characteristic, corresponding time point and described temporal information are compared, and obtain comparative result；
According to described comparative result, adjust the playing progress rate of each playback equipment.
4. playback equipment according to claim 1 and 2 synchronous broadcast method it is characterised in that described based on described spy
Levy data, adjust the playing progress rate of each playback equipment, including：
When reading characteristic, generate Synchronization Control instruction；
Determine the corresponding time point of described characteristic；
Instructed according to described Synchronization Control, adjust the corresponding time point of playing progress rate of each playback equipment and described characteristic phase
The time point answered is consistent.
5. a kind of simultaneously playing device of playback equipment is it is characterised in that include：
First receiving unit, for receiving synchronous playing request；
Reading unit, for according to described synchronous playing request, reading the voice data needing to play, wraps in described voice data
Containing multiple according to default time point insertion for identifying synchronous characteristic；
Acquiring unit, for, during playing audio data, obtaining described characteristic；
Synchronous adjustment unit, for based on described characteristic, adjusting the playing progress rate of each playback equipment, so that each playback equipment
In multiple characteristics corresponding time point synchronously playing audio frequency data.
6. the simultaneously playing device of playback equipment according to claim 5 is it is characterised in that described device also includes：
Second receiving unit, for receiving the Frame of main equipment transmission；
Buffer unit, for according to the default sequence number in described Frame, the voice data in Frame is sequentially cached to pre-
If memory space；
Described reading unit, for according to described synchronous playing request, reading from described default memory space needs broadcasting
Voice data.
7. the simultaneously playing device of the playback equipment according to claim 5 or 6 is it is characterised in that described synchronous adjustment list
Unit includes：
First determination subelement, for when reading characteristic, determining corresponding time point；
Second determination subelement, for according to described time point, determining the temporal information of currently playing progress；
Comparing unit, is compared for time point corresponding to described characteristic and described temporal information, is compared
Result；
First adjustment subelement, for according to described comparative result, adjusting the playing progress rate of each playback equipment.
8. the simultaneously playing device of the playback equipment according to claim 5 or 6 is it is characterised in that described synchronous adjustment list
Unit includes：
Generate subelement, for when reading characteristic, generating Synchronization Control instruction；
3rd determination subelement, for determining the corresponding time point of described characteristic；
Second adjustment subelement, instructs according to described Synchronization Control, adjusts the corresponding time point of playing progress rate of each playback equipment
Time point corresponding with described characteristic is consistent.
9. a kind of synchronous playing system, the playback equipment including main equipment and multiple subordinate is it is characterised in that described broadcasting sets
The simultaneously playing device of the standby playback equipment including as described in any one of claim 5 to 8；
Described main equipment, for according to default time point, insert in voice data multiple for identifying synchronous characteristic
According to the voice data after being identified；Voice data after described mark is sent and sets to the multiple broadcastings needing synchronous broadcasting
Standby, so that multiple playback equipment synchronizes broadcasting in the corresponding time point of described characteristic.
10. synchronous playing system according to claim 9 is it is characterised in that described main equipment is additionally operable to：
Voice data after mark is split as multiple data blocks, is that each data block gives a sequence number according to order, by institute
State data block and described sequence number is packaged into Frame, and send to multiple playback equipments.
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| CN108681546A (en) * | 2018-03-26 | 2018-10-19 | 四川斐讯信息技术有限公司 | One kind moving synchronously method and system |
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| CN110418183A (en) * | 2019-08-05 | 2019-11-05 | 北京字节跳动网络技术有限公司 | Audio and video synchronization method, device, electronic equipment and readable medium |
| CN111405336A (en) * | 2019-08-09 | 2020-07-10 | 合肥炬芯智能科技有限公司 | Multi-device synchronous playing method and system, electronic device and storage medium |
| CN111957039A (en) * | 2020-09-04 | 2020-11-20 | Oppo（重庆）智能科技有限公司 | Game special effect realization method and device and computer readable storage medium |
| CN112105005A (en) * | 2019-08-30 | 2020-12-18 | 炬力(珠海)微电子有限公司 | Method and device for controlling Bluetooth equipment to play |
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