CN106448714B - A kind of synchronous broadcast method of playback equipment, apparatus and system - Google Patents
A kind of synchronous broadcast method of playback equipment, apparatus and system Download PDFInfo
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- CN106448714B CN106448714B CN201610882826.4A CN201610882826A CN106448714B CN 106448714 B CN106448714 B CN 106448714B CN 201610882826 A CN201610882826 A CN 201610882826A CN 106448714 B CN106448714 B CN 106448714B
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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
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Abstract
The invention discloses a kind of synchronous broadcast methods of playback equipment, apparatus and system, wherein this method comprises: receiving synchronous playing request；According to synchronous playing request, the audio data for needing to play is read, wherein is used to identify synchronous characteristic according to the insertion of preset time point comprising multiple in audio data；During playing audio-fequency data, characteristic is obtained；Based on characteristic, the playback progress of each playback equipment is adjusted, so that each playback equipment is in the corresponding time point synchronously playing audio frequency data of multiple characteristics.The embodiment of the present invention need to only control multiple playback equipments respectively in the corresponding time point synchronously playing audio frequency data of each characteristic, greatly reduce the system burden of network burden when playback equipment is played simultaneously.
Description
Technical field
The invention belongs to field of communication technology more particularly to a kind of synchronous broadcast methods of playback equipment, apparatus and system.
Background technique
With the continuous development of the communication technology, the amusement of user also becomes more and more diversified, such as more playback equipments
(speaker, all kinds of players etc.) is connected by wired or wireless network technology, forms a broadcasting group, identical sound is played simultaneously
It is happy.Wherein, make the sound delay between multiple devices small as far as possible, to guarantee consistent in user's sense of hearing, this is that more equipment are synchronous
The key technology of broadcasting.
Currently, realizing that the mode that playback equipment is played simultaneously is includes a timestamp, the timestamp in each data frame
For informing when each playback equipment plays the audio data in the data frame, i.e., each playback equipment is about scheduled on some of future
Time operates same part thing simultaneously.Although each data frame can obtain accurate play time to this mode, but meeting
Increase the transmission quantity of data, aggravate network burden, and playback equipment needs to carry out time verification to each data frame,
The system burden of playback equipment is aggravated.
Summary of the invention
The purpose of the present invention is to provide a kind of synchronous broadcast methods of playback equipment, apparatus and system, it is intended to which solution is broadcast
Put system burden when equipment is played simultaneously and the larger problem of network burden.
In order to solve the above technical problems, the embodiment of the present invention the following technical schemes are provided:
In a first aspect, the present invention provides a kind of synchronous broadcast method of playback equipment, including:
Receive synchronous playing request；
According to the synchronous playing request, the audio data for needing to play is read, is pressed in the audio data comprising multiple
According to the insertion of preset time point for identifying synchronous characteristic；
During playing audio data, the characteristic is obtained；
Based on the characteristic, the playback progress of each playback equipment is adjusted, so that each playback equipment is in multiple characteristics
According to corresponding time point synchronously playing audio frequency data.
Second aspect, the present invention provide a kind of simultaneously playing device of playback equipment, including:
First receiving unit, for receiving synchronous playing request；
Reading unit, for reading the audio data for needing to play, the audio data according to the synchronous playing request
In comprising it is multiple according to the insertion of preset time point for identifying synchronous characteristic；
Acquiring unit, for obtaining the characteristic during playing audio data；
Synchronous adjustment unit adjusts the playback progress of each playback equipment, so that each play for being based on the characteristic
Equipment is in the corresponding time point synchronously playing audio frequency data of multiple characteristics.
The third aspect, the present invention provide a kind of synchronous playing system, the playback equipment including main equipment and multiple subordinates,
Wherein playback equipment includes the simultaneously playing device of the playback equipment provided such as second aspect；
The main equipment, it is multiple for identifying synchronous spy for being inserted into audio data according to preset time point
Levy data, the audio data after being identified；Audio data after the mark, which is sent to, needs what is be played simultaneously multiple to broadcast
Equipment is put, so that multiple playback equipments synchronize broadcasting at the characteristic corresponding time point.
Compared with the existing technology, the embodiment of the present invention, by needing the audio data that plays, according to the preset time
Point insertion is multiple for identifying synchronous characteristic；During playback equipment playing audio data, according to this feature
The playback progress of each playback equipment of data point reuse, so that each playback equipment is played simultaneously at this feature data corresponding time point
Audio data；Without reducing the transmission quantity of data for a timestamp in each data frame, and playback equipment is not necessarily to each
Data frame all carries out time verification, only need to control multiple playback equipments and synchronizes respectively at each characteristic corresponding time point and broadcast
Audio data is put, the system burden of network burden when playback equipment is played simultaneously is greatly reduced.
Detailed description of the invention
With reference to the accompanying drawing, by the way that detailed description of specific embodiments of the present invention, technical solution of the present invention will be made
And other beneficial effects are apparent.
Fig. 1 is the flow diagram 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 flow diagram of the synchronous broadcast method of playback equipment provided in an embodiment of the present invention.
Fig. 4 is the structural schematic diagram of the simultaneously playing device of playback equipment provided in an embodiment of the present invention.
Fig. 5 is another structural schematic diagram of the simultaneously playing device of playback equipment provided in an embodiment of the present invention.
Fig. 6 is the structural schematic diagram of terminal provided in an embodiment of the present invention.
Specific embodiment
Schema is please referred to, wherein identical component symbol represents identical component, the principle of the present invention is to implement one
It is illustrated in computing environment appropriate.The following description be based on illustrated by the specific embodiment of the invention, should not be by
It is considered as the limitation present invention other specific embodiments not detailed herein.
In the following description, specific embodiments of the present invention will refer to the step as performed by one or multi-section computer
And symbol illustrates, unless otherwise stating clearly.Therefore, these steps and operation will have to mention for several times is executed by computer, this paper institute
The computer execution of finger includes by representing with the computer processing unit of the electronic signal of the data in a structuring pattern
Operation.This operation is converted at the data or the position being maintained in the memory system of the computer, reconfigurable
Or in addition change the running of the computer in mode known to the tester of this field.The maintained data structure of the data
For the provider location of the memory, there is the specific feature as defined in the data format.But the principle of the invention is with above-mentioned text
Word illustrates that be not represented as a kind of limitation, this field tester will appreciate that plurality of step and behaviour as described below
Also it may be implemented in hardware.
The principle of the present invention is grasped using many other wide usages or specific purpose operation, communication environment or configuration
Make.The known example suitable for arithmetic system of the invention, environment and configuration may include (but being not limited to) hold phone,
Personal computer, server, multicomputer system, system, body frame configuration computer and distributed arithmetic ring based on micro computer
Border, which includes any above system or devices.
It will be described in detail respectively below.
In the present embodiment, the angle of the simultaneously playing device from playback equipment is described, the playback equipment it is same
Step playing device specifically can integrate in multiple playback equipments, such as speaker, all kinds of players.
A kind of synchronous broadcast method of playback equipment, comprising: receive synchronous playing request；According to synchronous playing request, read
The audio data that needs play is taken, wherein is used to identify synchronization according to the insertion of preset time point comprising multiple in audio data
Characteristic；During playing audio-fequency data, characteristic is obtained；Based on characteristic, broadcasting for each playback equipment is adjusted
Degree of putting into, so that each playback equipment is in the corresponding time point synchronously playing audio frequency data of multiple characteristics.
Referring to Fig. 1, Fig. 1 is the flow diagram of the synchronous broadcast method of playback equipment provided in an embodiment of the present invention.
The described method includes:
In step s101, synchronous playing request is received.
In step s 102, according to synchronous playing request, the audio data for needing to play is read, is wherein wrapped in audio data
It is used to identify synchronous characteristic according to the insertion of preset time point containing multiple.
It is understood that thering is a playback equipment to be responsible for and control in the music system that equipment composition is put in a multicast
Terminal (such as smart phone) processed communication, executes the control command from controlling terminal and be transmitted in music system other broadcasts
Equipment is put, while the status information of music system and each playback equipment can also be returned to controlling terminal by the playback equipment, born
The playback equipment for blaming these work is referred to as main equipment, and other playback equipments are referred to as from equipment.
In the present embodiment, the synchronous playing request from controlling terminal is received from equipment by multiple, and then can be same according to this
Step playing request reads the audio data for needing to play, wherein includes multiple slotting according to preset time point in audio data
What is entered is used to identify synchronous characteristic.
It is understood that the multiple characteristics being inserted into the audio data can be pressed by main equipment in decoding stage
It is inserted into according to preset time point；Wherein, the preset time point can be a time cycle, for example, at interval of for the moment
Between section playing duration audio data after be inserted into characteristic, etc..
In some embodiments, according to synchronous playing request, the audio data (i.e. step S102) for needing to play is read
Before, can also include:
(1) data frame that main equipment is sent is received.
(2) according to the default serial number in the data frame, the audio data in data frame is sequentially cached empty to default storage
Between.
It reads according to synchronous playing request based on this and needs the audio data played that can specifically include: being broadcast according to synchronizing
Request is put, presets the audio data for reading in memory space and needing to play from this.
For example, receive main equipment transmission from equipment includes the audio data of characteristic, wherein the audio data can
It, will be corresponding in data frame from equipment according to the default serial number in the data frame to be packaged transmission as a data frame
Audio data sequentially cached.
In step s 103, during playing audio-fequency data, this feature data are obtained.
In step S104, it is based on characteristic, the playback progress of each playback equipment is adjusted, so that each playback equipment is more
The corresponding time point synchronously playing audio frequency data of a characteristic.
For example, during from device plays audio data, it, can be according to the spy when reading characteristic from equipment
Sign data are inserted into time point accordingly, are executed and are played synchronous comparison and adjustment, from equipment if it find that the playback progress of oneself
It is slow, then suitably accelerate the broadcasting of follow-up data according to deviation size；From equipment if it find that the playback progress of oneself is fast, then
Suitably slow down the broadcasting of follow-up data according to deviation size so that it is multiple from equipment when this multiple characteristic is corresponding
Between point execute be played simultaneously.
It is understood that realize be based on characteristic, adjust the playback progress of each playback equipment mode have very much, than
Such as, in some embodiments, it can specifically include:
(11) when reading characteristic, corresponding time point is determined.
(12) according to the time point, the temporal information of currently playing progress is determined.
(13) characteristic corresponding time point and the temporal information are compared, obtain comparison result.
(14) according to comparison result, the playback progress of each playback equipment is adjusted.
That is, when reading characteristic from equipment, it is first determined this feature data are inserted into time point accordingly,
Meanwhile determining the temporal information of the playback progress of current audio data；Then to this feature data corresponding time point and
The temporal information is compared, and obtains comparison result, if it find that the playback progress of oneself is slow, then according to time deviation size
The appropriate broadcasting for accelerating follow-up data；If it find that the playback progress of oneself is fast, then suitably slowed down according to time deviation size
The broadcasting of follow-up data or the broadcasting that retracts, so that each be carried out from equipment at each characteristic corresponding time point
Operation is played simultaneously.
For another example, in some embodiments mode, it is based on characteristic, the playback progress for adjusting each playback equipment can have
Body includes:
(21) when reading characteristic, synchronously control instruction is generated.
(22) this feature data corresponding time point is determined.
(23) it is instructed according to the synchronously control, adjusts playback progress corresponding time point and this feature number of each playback equipment
It is consistent according to corresponding time point.
That is, when reading characteristic from equipment a synchronous control instruction can be automatically generated, while determining should
Then characteristic corresponding time point instructs according to the synchronously control, adjusts the playback progress of playback equipment.For example, for
It is each to control and currently opened from equipment itself from this feature data corresponding time point according to synchronously control instruction from equipment
Beginning playing audio-fequency data adjusted respectively from time point one corresponding with this feature data at the playback progress of equipment corresponding time point
It causes, so that operation is played simultaneously in each be carried out from equipment at each characteristic corresponding time point.
It should be noted that the characteristic in the present embodiment, is only intended to the temporal information that instruction plays, is not used in and broadcasts
It puts, therefore does not influence to play obtained sound；Broadcasting speed is adjusted by multiple characteristics, it is ensured that respectively from
Music can be played simultaneously between equipment.
It can be seen from the above, the synchronous broadcast method of playback equipment provided in this embodiment, passes through the audio played in needs
In data, it is inserted into according to preset time point multiple for identifying synchronous characteristic；The audio is played in playback equipment
In data procedures, according to the playback progress 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；Without reducing the transmission quantity of data for a timestamp in each data frame,
And playback equipment is not necessarily to carry out time verification to each data frame, only need to control multiple playback equipments respectively in each feature
The corresponding time point synchronously playing audio frequency data of data, greatly reduce network burden when playback equipment is played simultaneously
System burden.
Citing, is described in further detail by the method according to described in above-described embodiment below.
Firstly, simply being introduced each playback equipment in the synchronous playing system of the present embodiment playback equipment, can such as join
Fig. 2 is examined, is the schematic diagram of a scenario of the synchronous playing system (can abbreviation synchronous playing system) of playback equipment provided in this embodiment,
Including multiple playback equipments, multiple playback equipment may include the playback equipment of a main equipment and multiple subordinates, wherein
The playback equipment can be specially mobile phone, speaker or all kinds of players, 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.It is broadcast synchronizing
In place system, there is a playback equipment to be responsible for communicating with controlling terminal (such as smart phone), execute the control from controlling terminal
System, which is ordered, is simultaneously transmitted to other playback equipments in synchronous playing system, at the same the playback equipment also can by synchronous playing system and
The status information of each playback equipment returns to controlling terminal, and the playback equipment for being responsible for these work is referred to as main equipment, other
Playback equipment can be referred to as from equipment.It is each from equipment periodic to execute NTP or SNTP agreement, and main equipment synchronised clock, from
And keep the clock of each playback equipment almost the same.
In addition, thering is a playback equipment to be responsible for the distribution of audio data in the synchronous playing system, source can be referred to as and set
It is standby.Analog audio of the source device from internet, local area network, local memory and external memory or after Analog-digital Converter
Frequency inputs, and obtains audio data.Source device by audio data split into data frame one by one and be distributed to it is each from equipment, each
The play time of data frame is identical.Wherein source device and above-mentioned main equipment can be same playback equipment, be also possible to difference
Playback equipment.
Wherein, should be mainly used for receiving the synchronous playing request that main equipment is sent from equipment, according to synchronous playing request,
The audio data for needing to play is read in caching, is wherein used for comprising multiple according to the insertion of preset time point in audio data
Identify synchronous characteristic；Then, during playing audio-fequency data, these characteristics are obtained from equipment, and based on spy
Data are levied, the playback progress of each playback equipment are adjusted, so that each playback equipment is same at multiple characteristics corresponding time point
Walk playing audio-fequency data.
Main equipment is mainly used for being inserted into audio data multiple for identifying synchronous feature according to preset time point
Data, the audio data after being identified；Audio data after these are identified is sent to the multiple broadcastings for needing to be played simultaneously
Equipment (i.e. from equipment), so that multiple execute the operation being played simultaneously at these characteristics corresponding time point from equipment.
In addition, the synchronous playing system can also include controlling terminal (such as smart phone), it is mainly responsible for and main equipment
Synchronous playing system and the status information of each playback equipment, etc. for being communicated, also, receiving main equipment feedback.
Process is played simultaneously to this below to make a concrete analysis of:
Referring to Fig. 3, Fig. 3 is another process signal of the synchronous broadcast method of playback equipment provided in an embodiment of the present invention
Figure.The described method includes:
In step s 201, main equipment receives the order of controlling terminal, and obtains music data according to the order.
For example, main equipment receives the order that user is sent by controlling terminal, in turn, main equipment is deposited according to order acquisition
It is stored in the music data of internal or external memory or network server and network flow-medium etc..
In step S202, main equipment is decoded the music data got, and is inserted into according to preset time point
It is multiple to be used to identify synchronous characteristic, obtain audio data.
In step S203, audio data is split into multiple data blocks by main equipment, is that each data block is assigned according to sequence
A serial number is given, the data block and serial number are packaged into data frame, and send at most a from equipment.
For example, can be specifically, the music data that main equipment will acquire, be decoded into each can play from equipment
Audio data.Also, during decoding generates audio data, main equipment is inserted at preset time point for identifying synchronization
Characteristic, wherein this feature data can be the one or more byte datas for being different from audio data.
It should be noted that the preset time point, can be a time cycle, for example, identical at interval of one end
A characteristic is inserted into after the audio data of playing duration (such as 10 seconds).
For example, first 1 minute music, in the audio data obtained after being decoded, will be 10 seconds in its play time,
20 seconds, 30 seconds, 40 seconds, after 50 seconds these time points corresponding Data Position, be inserted into this feature data.That is, a segment of audio number
In, it may include multiple for identifying synchronous characteristic.
Further, for another example, main equipment after above-mentioned decoding and will insert the audio data of characteristic, split into one
The independent data of block block, obtain data block；Also, a serial number is assigned for every piece of data block according to sequence, then by data block
A data frame is packaged into serial number.
Wherein, the size of the data block is set by main equipment.Main equipment can be according to Network status and music data
Size is arranged the size of each data block, is not specifically described herein.
In turn, after the packaged data frame of main equipment, data frame can be sent to the slave equipment for needing to be played simultaneously.
In step S204, synchronous playing request is received from equipment, and according to the synchronous playing request, reading needs to play
Audio data.
For example, after the data frame that equipment receives that main equipment is sent, it, will be in data frame according to the serial number in data frame
Audio data is cached in memory in order.
Further, main equipment can send the synchronous playing request for starting to play to respectively from equipment, respectively from equipment simultaneously
After receiving the synchronous playing request for starting to play, the audio data in caching is read, and start to play.
It is corresponding according to it when reading characteristic from equipment during playing audio-fequency data in step S205
Time point, adjust consistent from time point corresponding with the characteristic at playback progress corresponding time point of equipment.
For example, from device plays caching in audio data during, described when being read in step S202 from equipment
Characteristic when, from equipment according to pre-set characteristic corresponding time point (as insertion 10 seconds time points, 20
Second, 30 seconds, 40 seconds, 50 seconds), it executes and plays synchronous comparison and adjust.
From equipment if it find that the playback progress of oneself is slow, then follow-up data is suitably accelerated according to time deviation size
It plays；From equipment if it find that the playback progress of oneself is fast, then broadcasting for follow-up data is suitably slowed down according to time deviation size
Put or carry out rollback broadcasting so that it is multiple be performed both by synchronize at this multiple characteristic corresponding time point from equipment broadcast
It puts, i.e., at 10 seconds time points, control respectively synchronizes broadcasting from equipment, at 20 seconds time points, controls respectively from equipment
Broadcasting etc. is synchronized, is so analogized.
For example, presetting is to be provided with a characteristic in every 10 seconds.When the audio number for reading song from equipment
According to first characteristic (i.e. instruction play time be 10 seconds) when, if the playback progress of current song is 10.2 seconds,
Then illustrate that its own broadcasting speed is fast, it is therefore desirable to suitably slow down broadcasting speed, or directly retract to 10 seconds time
Point plays out.
When second characteristic (i.e. instruction play time be 20 seconds) for the audio data for reading song from equipment,
If the playback progress of current song is 19.8 seconds, illustrate that the broadcasting speed of its own is partially slow, it is therefore desirable to appropriate to accelerate to broadcast
Speed is put, or jump directly to 20 seconds time points to play out.Other feature data are successively handled in this mode.
That is, either broadcasting speed is fast or slow, when reading characteristic from equipment, need first
The play time of this feature data instruction is got, and is controlled respectively from the playback progress of equipment corresponding time point and the spy
Sign data corresponding time point is consistent, and at multiple time points, control respectively synchronizes broadcasting from equipment respectively.
It should be noted that the characteristic in the present embodiment, is only intended to the temporal information that instruction plays, is not used in and broadcasts
It puts, therefore does not influence to play obtained sound；Broadcasting speed is adjusted by multiple characteristics, it is ensured that respectively from
Music can be played simultaneously between equipment.
In the occasion that some more playback equipments are played simultaneously, if playback equipment is more dispersed, such as very big at one
Space or the multiple rooms for being scattered in building, it is contemplated that the speed of voice transmission, the synchronism that more playback equipments play is not
It is required that very high, therefore, it is possible to use this programme propose it is more simple and economical mode is played simultaneously, greatly reduce net
The system burden of network burden.
It can be seen from the above, the synchronous broadcast method of playback equipment provided in this embodiment, passes through the audio played in needs
In data, it is inserted into according to preset time point multiple for identifying synchronous characteristic；The audio is played in playback equipment
In data procedures, according to the playback progress 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 audio data of equipment, insertion
Pre-set characteristic.The broadcasting speed of oneself is identified and adjusted from equipment with this characteristic.Main equipment is without being
A timestamp in each data frame reduces the transmission quantity of data, and the playback equipment of subordinate is without to each data frame
Time verification is all carried out, the playback equipment that need to only control multiple subordinates synchronizes at each characteristic corresponding time point respectively to be broadcast
Audio data is put, the system burden of network burden when playback equipment is played simultaneously, while operation stream are greatly reduced
Journey is simple, and the difficulty of functional development person also greatly reduces.
For the synchronous broadcast method convenient for better implementation playback equipment provided in an embodiment of the present invention, the embodiment of the present invention
A kind of apparatus and system of synchronous broadcast method based on above-mentioned playback equipment is also provided.The wherein meaning of noun and above-mentioned broadcasting
Identical in the method for equipment being played simultaneously, specific implementation details can be with reference to the explanation in embodiment of the method.
Referring 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, wherein the simultaneously playing device 300 of the playback equipment may include the first receiving unit 301, reading unit 302, obtain list
Member 303 and synchronous adjustment unit 304.
First receiving unit 301, for receiving synchronous playing request；Reading unit 302, for being played simultaneously according to
Request is read the audio data for needing to play, is used for comprising multiple according to the insertion of preset time point in the audio data
Identify synchronous characteristic.
It is understood that thering is a playback equipment to be responsible for and control in the music system that equipment composition is put in a multicast
Terminal (such as smart phone) processed communication, executes the control command from controlling terminal and be transmitted in music system other broadcasts
Equipment is put, while the status information of music system and each playback equipment can also be returned to controlling terminal by the playback equipment, born
The playback equipment for blaming these work is referred to as main equipment, and other playback equipments are referred to as from equipment.
In the present embodiment, the synchronous playing request from controlling terminal is received from equipment by multiple, and then can be same according to this
Step playing request reads the audio data for needing to play, wherein includes multiple slotting according to preset time point in audio data
What is entered is used to identify synchronous characteristic.
It is understood that the multiple characteristics being inserted into the audio data can be pressed by main equipment in decoding stage
It is inserted into according to preset time point；Wherein, the preset time point can be a time cycle, for example, at interval of for the moment
Between section playing duration audio data after be inserted into characteristic, etc..
Acquiring unit 303, for obtaining the characteristic during playing audio data.Synchronous adjustment list
Member 304 adjusts the playback progress of each playback equipment, so that each playback equipment is in multiple features for being based on the characteristic
The corresponding time point synchronously playing audio frequency data of data.
For example, during from device plays audio data, it, can be according to the spy when reading characteristic from equipment
Sign data are inserted into time point accordingly, are executed and are played synchronous comparison and adjustment, from equipment if it find that the playback progress of oneself
It is slow, then suitably accelerate the broadcasting of follow-up data according to deviation size；From equipment if it find that the playback progress of oneself is fast, then
Suitably slow down the broadcasting of follow-up data according to deviation size so that it is multiple from equipment when this multiple characteristic is corresponding
Between point execute be played simultaneously.
It is another structure of the simultaneously playing device 400 of playback equipment provided in an embodiment of the present invention please also refer to Fig. 5
Schematic diagram, wherein the simultaneously playing device 400 of the playback equipment can also include:
Second receiving unit 305, for receiving the data frame of main equipment transmission.
Cache unit 306, for according to the default serial number in the data frame, the audio data in data frame sequentially to be delayed
It deposits to default memory space.
Based on this, the reading unit 302 is used for according to the synchronous playing request, from the default memory space
Read the audio data for needing to play.
For example, receive main equipment transmission from equipment includes the audio data of characteristic, wherein the audio data can
It, will be corresponding in data frame from equipment according to the default serial number in the data frame to be packaged transmission as a data frame
Audio data sequentially cached.
It is understood that realize be based on characteristic, adjust the playback progress of each playback equipment mode have very much, than
Such as, as shown in figure 5, the synchronous adjustment unit 304 may include:
First determines subelement 3041, for when reading characteristic, determining corresponding time point.
Second determines subelement 3042, for determining the temporal information of currently playing progress according to the time point.
Comparing unit 3043, for being compared to the characteristic corresponding time point and the temporal information,
Obtain comparison result.
The first adjustment subelement 3044, for adjusting the playback progress of each playback equipment according to the comparison result.
That is, when reading characteristic from equipment, it is first determined this feature data are inserted into time point accordingly,
Meanwhile determining the temporal information of the playback progress of current audio data；Then to this feature data corresponding time point and
The temporal information is compared, and obtains comparison result, if it find that the playback progress of oneself is slow, then according to time deviation size
The appropriate broadcasting for accelerating follow-up data；If it find that the playback progress of oneself is fast, then suitably slowed down according to time deviation size
The broadcasting of follow-up data or the broadcasting that retracts, so that each be carried out from equipment at each characteristic corresponding time point
Operation is played simultaneously.
For another example, in some embodiments mode, as shown in figure 5, the synchronous adjustment unit 304 can also include:
Subelement 3045 is generated, for when reading characteristic, generating synchronously control instruction.
Third determines subelement 3046, for determining this feature data corresponding time point.
Second adjustment subelement 3047, instructs according to the synchronously control, and the playback progress for adjusting each playback equipment is corresponding
Time point corresponding with this feature data at time point is consistent.
That is, when reading characteristic from equipment a synchronous control instruction can be automatically generated, while determining should
Then characteristic corresponding time point instructs according to the synchronously control, adjusts the playback progress of playback equipment.For example, for
It is each to control and currently opened from equipment itself from this feature data corresponding time point according to synchronously control instruction from equipment
Beginning playing audio-fequency data adjusts the time point corresponding with this feature data at playback progress corresponding time point of each playback equipment
Unanimously, so that operation is played simultaneously in each be carried out from equipment at each characteristic corresponding time point.
It should be noted that the characteristic in the present embodiment, is only intended to the temporal information that instruction plays, is not used in and broadcasts
It puts, therefore does not influence to play obtained sound；Broadcasting speed is adjusted by multiple characteristics, it is ensured that respectively from
Music can be played simultaneously between equipment.
When it is implemented, above each unit can be used as independent entity to realize, any combination can also be carried out, is made
It is realized for same or several entities, the specific implementation of above each unit can be found in the embodiment of the method for front, herein not
It repeats again.
The simultaneously playing device of the playback equipment specifically can integrate in multiple playback equipments, such as speaker, all kinds of broadcastings
Device etc..
It can be seen from the above, the simultaneously playing device of playback equipment provided in this embodiment, passes through the audio played in needs
In data, it is inserted into according to preset time point multiple for identifying synchronous characteristic；The audio is played in playback equipment
In data procedures, according to the playback progress 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；Without reducing the transmission quantity of data for a timestamp in each data frame,
And playback equipment is not necessarily to carry out time verification to each data frame, only need to control multiple playback equipments respectively in each feature
The corresponding time point synchronously playing audio frequency data of data, greatly reduce network burden when playback equipment is played simultaneously
System burden.
In addition, can refer to playback equipment as shown in Figure 2 the present invention also provides a kind of synchronous playing system of playback equipment
Synchronous playing system, the playback equipment (referred to as from equipment) including main equipment and multiple subordinates, the wherein broadcasting of the subordinate
Equipment includes the simultaneously playing device of any playback equipment provided by embodiment as above.
For example, being mainly used for receiving the synchronous playing request of main equipment transmission from equipment, according to synchronous playing request, slow
The middle audio data for reading and needing to play is deposited, wherein is used to mark according to the insertion of preset time point comprising multiple in audio data
Know synchronous characteristic；Then, during playing audio-fequency data, these characteristics are obtained from equipment, and be based on feature
Data adjust the playback progress of each playback equipment, so that each playback equipment is synchronous at multiple characteristics corresponding time point
Playing audio-fequency data.
In some embodiments, from equipment according to the synchronous playing request, read the audio data that needs to play it
Before, further includes: the data frame that main equipment is sent is received, and according to the default serial number in the data frame, by the sound in data frame
Frequency evidence is sequentially cached to default memory space；To which according to synchronous playing request, reading from the default memory space is needed
The audio data to be played.
Further, it being based on the characteristic from equipment, the mode for adjusting the playback progress of each playback equipment has very much,
For example, determining corresponding time point when reading characteristic；According to the time point, determine currently playing progress when
Between information；The characteristic corresponding time point and the temporal information are compared, comparison result is obtained；According to institute
Comparison result is stated, the playback progress of each playback equipment is adjusted.
For another example, when reading characteristic, synchronously control instruction is generated；Determine the characteristic corresponding time
Point；According to the synchronously control instruct, adjust each playback equipment playback progress corresponding time point and the characteristic phase
The time point answered is consistent.
In addition, the system further includes main equipment, for being inserted into multiple be used in audio data according to preset time point
Identify synchronous characteristic, the audio data after being identified；Audio data after the mark is sent to and needs to synchronize
The multiple playback equipments (from equipment) played, so that multiple playback equipments synchronize at the characteristic corresponding time point
It plays.
Further, which can be also used for: the audio data after mark is split as multiple data blocks, according to suitable
Sequence is that each data block assigns a serial number, the data block and the serial number is packaged into data frame, and send at most a
Playback equipment, i.e., from equipment.
It is understood that structure and the function realization of the simultaneously playing device of the playback equipment may refer to needle above
To the detailed description of the simultaneously playing device of playback equipment, details are not described herein again.
The present invention also provides a kind of terminals, such as tablet computer, mobile phone, speaker terminal, referring to Fig. 6, Fig. 6 is the present invention
The terminal structure schematic diagram that embodiment provides.The terminal 500 may include radio frequency (RF, Radio Frequency) circuit 501,
It includes one or more the memory 502 of computer readable storage medium, input unit 503, display unit 504, pass
Sensor 504, Wireless Fidelity (WiFi, Wireless Fidelity) module 507, includes one or one at voicefrequency circuit 506
The components such as the processor 508 and power supply 509 of a above processing core.It will be understood by those skilled in the art that being shown in Fig. 6
Terminal structure not structure paired terminal restriction, may include than illustrating more or fewer components, or the certain portions of combination
Part or different component layouts.
Radio circuit 501 can be used for receiving and sending messages or communication process in signal send and receive, particularly, by base station
Downlink information receive after, transfer to one or more than one processor 508 processing；In addition, the data for being related to uplink are sent
To base station.In general, radio circuit 501 includes but is not limited to antenna, at least one amplifier, tuner, one or more oscillations
Device, subscriber identity module (SIM, Subscriber Identity Module) card, transceiver, coupler, low noise amplification
Device (LNA, Low Noise Amplifier), duplexer etc..In addition, radio circuit 501 can also by wireless communication with network
It is communicated with other equipment.Any communication standard or agreement, including but not limited to global system for mobile telecommunications can be used in the wireless communication
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 it is more
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 and data.It include that can hold in the application program that memory 502 stores
Line code.Application program can form various functional modules.Processor 508 is stored in the application journey of memory 502 by operation
Sequence, thereby executing various function application and data processing.Memory 502 can mainly include storing program area and storing data
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 area, which can be stored, uses created data (such as audio data, electricity according to terminal
Script for story-telling etc.) etc..In addition, memory 502 may include high-speed random access memory, it can also include nonvolatile memory,
A for example, at least disk memory, flush memory device or other volatile solid-state parts.Correspondingly, memory 502 is gone back
It may include Memory Controller, to provide the access of processor 508 and input unit 503 to memory 502.
Input unit 503 can be used for receiving number, character information or the user's characteristic information (such as fingerprint) of input, and
Generate keyboard related with user setting and function control, mouse, operating stick, optics or trackball signal input.Specifically
Ground, in a specific embodiment, input unit 503 may include touch sensitive surface and other input equipments.Touch sensitive surface,
Referred to as touch display screen or Trackpad, collect user on it or nearby touch operation (such as user using finger, touching
The operations of any suitable object or attachment on touch sensitive surface or near touch sensitive surface such as pen), and according to preset
Formula drives corresponding attachment device.Optionally, touch sensitive surface may include both touch detecting apparatus and touch controller.
Wherein, the touch orientation of touch detecting apparatus detection user, and touch operation bring signal is detected, transmit a signal to touch
Controller；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processing
Device 508, and order that processor 508 is sent can be received and executed.Furthermore, it is possible to using resistance-type, condenser type, infrared ray
And the multiple types such as surface acoustic wave realize touch sensitive surface.In addition to touch sensitive surface, input unit 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
Key etc.), fingerprint recognition mould group, trace ball, mouse, one of operating stick etc. or a variety of.
Display unit 504 can be used for showing information input by user or be supplied to user information and terminal it is various
Graphical user interface, these graphical user interface can be made of figure, text, icon, video and any combination thereof.Display
Unit 504 may include display panel.Optionally, can using liquid crystal display (LCD, Liquid Crystal Display),
The forms such as Organic Light Emitting Diode (OLED, Organic Light-Emitting Diode) configure display panel.Further
, touch sensitive surface can cover display panel, after touch sensitive surface detects touch operation on it or nearby, send processing to
Device 508 is followed by subsequent processing device 508 and is provided on a display panel accordingly according to the type of touch event to determine the type of touch event
Visual output.Although touch sensitive surface and display panel are to realize input and input as two independent components in Fig. 6
Function, but in some embodiments it is possible to touch sensitive surface and display panel are integrated and realizes and outputs and inputs 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 sensor, wherein ambient light sensor can be according to ambient light
Light and shade adjust the brightness of display panel, proximity sensor can close display panel and/or back when terminal is moved in one's ear
Light.As a kind of motion sensor, gravity accelerometer can detect (generally three axis) acceleration in all directions
Size can detect that size and the direction of gravity when static, can be used to identify mobile phone posture application (such as horizontal/vertical screen switching,
Dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；It can also configure as terminal
The other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, details are not described herein.
Voicefrequency circuit 506 can provide the audio interface between user and terminal by loudspeaker, microphone.Voicefrequency circuit
The audio data received 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 number after being received by voicefrequency circuit 506
According to then such as another terminal will be sent to through radio circuit 501 after audio data output processor 508 handles, or by sound
Frequency is further processed according to output to memory 502.Voicefrequency circuit 506 is also possible that earphone jack, to provide peripheral hardware
The communication of earphone and 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., it provides wireless broadband internet access for user.
Although Fig. 6 shows wireless fidelity module 507, but it is understood that, and it is not belonging to must be configured into for terminal, completely may be used
To omit within the scope of not changing the essence of the invention as needed.
Processor 508 is the control centre of terminal, using the various pieces of various interfaces and the entire terminal of connection, is led to
It crosses operation or executes the application program being stored in memory 502, and call the data being stored in memory 502, execute
The various functions and processing data of terminal, to carry out integral monitoring to terminal.Optionally, processor 508 may include one or
Multiple processing cores；Preferably, processor 508 can integrate application processor and modem processor, wherein application processor
Main processing operation system, user interface and application program etc., modem processor mainly handles wireless communication.It is understood that
, above-mentioned modem processor can not also be integrated into processor 508.
Terminal further includes the power supply 509 (such as battery) powered to all parts.Preferably, power supply can pass through power supply pipe
Reason system and processor 508 are logically contiguous, to realize management charging, electric discharge and power managed by power-supply management system
Etc. functions.Power supply 509 can also include one or more direct current or AC power source, recharging system, power failure inspection
The random components such as slowdown monitoring circuit, power adapter or inverter, power supply status indicator.
Although being not shown in Fig. 6, terminal can also include camera, bluetooth module etc., and details are not described herein.
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 the process of application program is loaded into memory 502, and is run by processor 508 and be stored in storage
Application program in device 502, to realize various functions:
Receive synchronous playing request；According to the synchronous playing request, the audio data for needing to play, the audio are read
It is used to identify synchronous characteristic according to the insertion of preset time point comprising multiple in data；In playing audio data
In the process, the characteristic is obtained；Based on the characteristic, the playback progress of each playback equipment is adjusted, so that each play
Equipment is in the corresponding time point synchronously playing audio frequency data of multiple characteristics.
In some embodiments, processor 508 also runs the application program being stored in memory 502, to realize
Following function: the data frame that main equipment is sent is received；According to the default serial number in the data frame, by the audio number in data frame
According to sequentially caching to default memory space.
Based on this, processor 508 reads from the default memory space according to the synchronous playing request and needs to play
Audio data.
In some embodiments, processor 508 determines corresponding time point when reading characteristic；According to institute
Time point is stated, determines the temporal information of currently playing progress；The characteristic corresponding time point and the time are believed
Breath is compared, and obtains comparison result；According to the comparison result, the playback progress of each playback equipment is adjusted.
In some embodiments, when reading characteristic, synchronously control instruction is generated；Determine the characteristic
Corresponding time point；Instructed according to the synchronously control, adjust playback progress corresponding time point of each playback equipment with it is described
Characteristic corresponding time point is consistent.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the detailed description of the synchronous broadcast method above with respect to playback equipment, details are not described herein again.
The simultaneously playing device of the playback equipment provided in an embodiment of the present invention is for example computer, tablet computer, tool
There is the mobile phone etc. of touch function, the simultaneously playing device of the playback equipment is synchronous with the playback equipment in foregoing embodiments
Playback method belongs to same design, and the synchronization of the playback equipment can be run on the simultaneously playing device of the playback equipment
Either offer method in playback method embodiment, the synchronous broadcast method that specific implementation process is detailed in the playback equipment are real
Example is applied, details are not described herein again.
It should be noted that for the synchronous broadcast method of playback equipment of the present invention, this field common test people
Member is understood that realize all or part of the process of the synchronous broadcast method of playback equipment described in the embodiment of the present invention, is that can lead to
Computer program is crossed to control relevant hardware and complete, the computer program can be stored in a computer-readable storage and be situated between
It in matter, is such as stored in the memory of terminal, and is executed by least one processor in the terminal, can be wrapped in the process of implementation
Include the process of the embodiment of the synchronous broadcast method such as the playback equipment.Wherein, the storage medium can be magnetic disk, light
Disk, read-only memory (ROM, Read Only Memory), random access memory (RAM, Random Access Memory)
Deng.
For the simultaneously playing device of the playback equipment of the embodiment of the present invention, each functional module be can integrate
In one processing chip, it is also possible to modules and physically exists alone, one can also be integrated in two or more modules
In a module.Above-mentioned integrated module both can take the form of hardware realization, can also use the form of software function module
It realizes.If the integrated module is realized and when sold or used as an independent product in the form of software function module,
Also it can store in a computer readable storage medium, the storage medium is for example read-only memory, disk or light
Disk etc..
It is provided for the embodiments of the invention a kind of synchronous broadcast method of playback equipment above, apparatus and system carries out
It is discussed in detail, used herein a specific example illustrates the principle and implementation of the invention, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；Meanwhile for those skilled in the art, according to this
The thought of invention, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification is not answered
It is interpreted as limitation of the present invention.
Claims (7)
1. a kind of synchronous broadcast method of playback equipment characterized by comprising
Receive synchronous playing request；
According to the synchronous playing request, the audio data for needing to play is read, includes multiple according to pre- in the audio data
If time point insertion for identifying synchronous characteristic；
During playing audio data, the characteristic is obtained；
Based on the characteristic, the playback progress of each playback equipment is adjusted, so that each playback equipment is in multiple characteristics pair
The time point synchronously playing audio frequency data answered, comprising: when reading characteristic, determine corresponding time point；According to described
Time point determines the temporal information of currently playing progress；To the characteristic corresponding time point and the temporal information
It is compared, obtains comparison result；According to the comparison result, the playback progress of each playback equipment is adjusted；Alternatively, when reading
When characteristic, synchronously control instruction is generated；Determine the characteristic corresponding time point；Referred to according to the synchronously control
It enables, the time point corresponding with the characteristic at playback progress corresponding time point for adjusting each playback equipment is consistent.
2. the synchronous broadcast method of playback equipment according to claim 1, which is characterized in that described to be broadcast according to described synchronize
Request is put, before reading the audio data for needing to play, further includes:
Receive the data frame that main equipment is sent；
According to the default serial number in the data frame, the audio data in data frame is sequentially cached to default memory space；
It is described according to the synchronous playing request, read and need the audio data played to include: according to the synchronous playing request,
The audio data for needing to play is read from the default memory space.
3. a kind of simultaneously playing device of playback equipment characterized by comprising
First receiving unit, for receiving synchronous playing request；
Reading unit, for reading the audio data for needing to play, being wrapped in the audio data according to the synchronous playing request
It is used to identify synchronous characteristic according to the insertion of preset time point containing multiple；
Acquiring unit, for obtaining the characteristic during playing audio data；
Synchronous adjustment unit includes the first determining subelement, the second determining subelement and comparing unit, wherein
Described first determines subelement, for when reading characteristic, determining corresponding time point；
Described second determines subelement, for determining the temporal information of currently playing progress according to the time point；
The comparing unit is obtained for being compared to the characteristic corresponding time point and the temporal information
Comparison result；
The first adjustment subelement, for adjusting the playback progress of each playback equipment according to the comparison result, so that each play sets
For in the corresponding time point synchronously playing audio frequency data of multiple characteristics
Alternatively, the synchronous adjustment unit is including generating subelement, third determines subelement and second adjustment subelement,
In,
The generation subelement, for when reading characteristic, generating synchronously control instruction；
The third determines subelement, for determining the characteristic corresponding time point；
The second adjustment subelement, according to the synchronously control instruct, adjust each playback equipment playback progress it is corresponding when
Between point corresponding with characteristic time point it is consistent so that each playback equipment is same at multiple characteristics corresponding time point
Walk playing audio-fequency data.
4. the simultaneously playing device of playback equipment according to claim 3, which is characterized in that described device further include:
Second receiving unit, for receiving the data frame of main equipment transmission；
Cache unit, for according to the default serial number in the data frame, the audio data in data frame sequentially to be cached to pre-
If memory space；
The reading unit, for reading what needs played from the default memory space according to the synchronous playing request
Audio data.
5. a kind of synchronous playing system, the playback equipment including main equipment and multiple subordinates, which is characterized in that the broadcasting is set
Standby includes the simultaneously playing device such as the described in any item playback equipments of claim 3 to 4；
The main equipment, it is multiple for identifying synchronous characteristic for being inserted into audio data according to preset time point
According to audio data after being identified；Audio data after the mark, which is sent to, needs the multiple broadcastings being played simultaneously to set
It is standby, so that multiple playback equipments synchronize broadcasting at the characteristic corresponding time point.
6. synchronous playing system according to claim 5, which is characterized in that the main equipment is also used to:
Audio data after mark is split as multiple data blocks, is that each data block assigns a serial number according to sequence, by institute
It states data block and the serial number is packaged into data frame, and send at most a playback equipment.
7. a kind of computer readable storage medium, is stored with computer program, wherein the computer program makes computer
Execute such as the described in any item methods of claim 1 to 2.
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| CN107835310B (en) * | 2017-10-31 | 2020-07-17 | 维沃移动通信有限公司 | Mobile terminal setting method and mobile terminal |
| CN110246417A (en) * | 2018-03-08 | 2019-09-17 | 上海分众软件技术有限公司 | Multi-screen wireless sharing system |
| CN110248213A (en) * | 2018-03-08 | 2019-09-17 | 上海分众软件技术有限公司 | Multimachine real-time synchronization play system |
| 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 |
| CN110418183B (en) * | 2019-08-05 | 2022-11-15 | 北京字节跳动网络技术有限公司 | Audio and video synchronization method and device, electronic equipment and readable medium |
| CN111405336B (en) * | 2019-08-09 | 2021-01-19 | 合肥炬芯智能科技有限公司 | Multi-device synchronous playing method and system, electronic device and storage medium |
| CN112105005B (en) * | 2019-08-30 | 2024-05-03 | 炬力(珠海)微电子有限公司 | Method and device for controlling Bluetooth equipment to play |
| 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 |
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| CN101969460B (en) * | 2010-09-28 | 2013-07-03 | 同辉佳视(北京)信息技术有限公司 | Multi-screen synchronized video playing method and system |
| CN103839558B (en) * | 2012-11-23 | 2016-08-31 | 三星电子（中国）研发中心 | Synchronous broadcast method and server, player |
| CN104269182B (en) * | 2014-09-18 | 2017-05-31 | 歌尔股份有限公司 | The methods, devices and systems that a kind of audio sync is played |
| CN104299632B (en) * | 2014-09-23 | 2017-06-27 | 广东欧珀移动通信有限公司 | Audio synchronization method, device and corresponding system |
| CN105025390B (en) * | 2015-07-09 | 2018-11-16 | 广东欧珀移动通信有限公司 | A kind of broadcasting scene store method, system, playback terminal and controlling terminal |
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