CN106411447A - Play control method and device, and terminal - Google Patents
Play control method and device, and terminal Download PDFInfo
- Publication number
- CN106411447A CN106411447A CN201610882800.XA CN201610882800A CN106411447A CN 106411447 A CN106411447 A CN 106411447A CN 201610882800 A CN201610882800 A CN 201610882800A CN 106411447 A CN106411447 A CN 106411447A
- Authority
- CN
- China
- Prior art keywords
- playback equipment
- audio data
- feedback information
- clocking error
- packets
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72442—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0658—Clock or time synchronisation among packet nodes
- H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
Abstract
The embodiment of the invention provides a play control method and device, and a terminal. The method comprises the steps of sending audio data packet with preset duration to play devices; receiving feedback information generated after the play devices finish playing the audio data packets; obtaining clock errors of the play devices according to the feedback information; and sending synchronization commands to the play devices according to the clock errors, wherein the synchronization commands are used for instructing the play devices to carry out clock synchronization. According to the scheme, the clock errors of the play devices are obtained according to the feedback information generated after the play devices finish playing the audio data packet, then the synchronization commands are sent to the play devices for instructing the play devices to carry out clock synchronization, and the system clocks of the play devices are enabled to be the same to the system clock of the play control device. Compared with the prior art, the method, the device and the terminal have the advantage that the synchronism among multiple play devices can be improved.
Description
Technical field
The present invention relates to technical field of electronic equipment is and in particular to a kind of control method for playing back, device and terminal.
Background technology
With growth in the living standard, audio-visual devices play important role in the life of people.Currently, will be multiple
Music player devices (for example, audio amplifier, player, mobile phone etc.) and control device are interconnected by wired or wireless network,
One Play System of composition, synchronous broadcasting identical music, it has been widely used.
In above-mentioned Play System, each equipment has independent system clock.Each playback equipment according to its own
System clock is playing music.However, the system clock of each playback equipment and control device is not always synchronous.Each
Playback equipment and control device there may be the trickle time difference each other.When identical music play by multiple playback equipments
When, the above-mentioned trickle time difference leads to the playing progress rate of each playback equipment inconsistent, thereby results between multiple playback equipments
Synchronism is low.
Content of the invention
The embodiment of the present invention provides a kind of control method for playing back, device and terminal, can improve between multiple playback equipments
Synchronism.
The embodiment of the present invention provides a kind of control method for playing back, including：
Send the packets of audio data with predetermined time period to playback equipment, this packets of audio data includes playing this sound
The timestamp of frequency packet；
Receive the feedback information of this playback equipment, this feedback information plays this sound for this playback equipment according to this timestamp
Feedack after frequency packet；
Obtain the clocking error of this playback equipment according to this feedback information；
Synch command is sent to this playback equipment according to this clocking error, when this synch command indicates that this playback equipment is carried out
Clock is synchronous.
Accordingly, the embodiment of the present invention also provides a kind of broadcast control device, including：
Data transmission blocks, for sending the packets of audio data with predetermined time period, this audio frequency number to playback equipment
According to the timestamp including this packets of audio data of broadcasting；
Receiver module, for receiving the feedback information of this playback equipment, this feedback information be this playback equipment according to this when
Between stamp play feedack after this packets of audio data；
First acquisition module, for obtaining the clocking error of this playback equipment according to this feedback information；
Order sending module, for sending synch command according to this clocking error to this playback equipment, this synch command refers to
Show that this playback equipment enters row clock synchronous.
Accordingly, the embodiment of the present invention also provides a kind of terminal, including：
Touch-screen, for the touch operation of receive user；
Be stored with the memory of executable program code；
The processor coupling with this memory；
This processor calls this executable program code of storage in this memory, executes above-mentioned control method for playing back.
The embodiment of the present invention is using the packets of audio data to playback equipment transmission with predetermined time period, this voice data
Bag includes playing the timestamp of this packets of audio data；Receive the feedback information of this playback equipment, this feedback information is this broadcasting
Equipment plays feedack after this packets of audio data according to timestamp；According to this feedback information obtain this playback equipment when
Clock error；Synch command is sent to this playback equipment according to this clocking error, when this synch command indicates that this playback equipment is carried out
Clock is synchronous.The program plays, according to playback equipment, the clock mistake that feedack after packets of audio data obtains this playback equipment
Difference, then sends synch command to this playback equipment, synchronous to indicate that this playback equipment enters row clock, can make this playback equipment
System clock identical with the system clock of broadcast control device.When there is multiple playback equipment, the plurality of playback equipment
System clock can keep identical with the system clock of this broadcast control device, namely the system clock of the plurality of playback equipment
Can keep identical, in terms of existing technologies, the synchronism between multiple playback equipments can be improved.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, will make to required in embodiment description below
Accompanying drawing is briefly described.It should be evident that drawings in the following description are only some embodiments of the present invention, for
For those skilled in the art, on the premise of not paying creative work, can also be obtained other attached according to these accompanying drawings
Figure.
Fig. 1 is the schematic flow sheet of the control method for playing back that the embodiment of the present invention one provides.
Fig. 2 is the composition schematic diagram of the Play System in the embodiment of the present invention two.
Fig. 3 is the schematic flow sheet of the control method for playing back that the embodiment of the present invention two provides.
Fig. 4 is the structural representation of the first broadcast control device that the embodiment of the present invention three provides.
Fig. 5 is the structural representation of the second broadcast control device that the embodiment of the present invention three provides.
Fig. 6 is the structural representation of the third broadcast control device that the embodiment of the present invention three provides.
Fig. 7 is the structural representation of the first terminal that the embodiment of the present invention four provides.
Fig. 8 is the structural representation of the second terminal that the embodiment of the present invention four provides.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other enforcement that those skilled in the art are obtained under the premise of not making creative work
Example, broadly falls into the scope of protection of the invention.
Term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second ", " the 3rd " etc.
(if present) is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that this
The object of sample description can exchange in the appropriate case.Additionally, term " comprising " and " having " and their any deformation, meaning
Figure is to cover non-exclusive comprising.For example, contain the process of series of steps, method or contain a series of modules or list
The device of unit, terminal, system are not necessarily limited to those steps or module or the unit clearly listed, and can also include unclear
The step listed or module or unit it is also possible to include for these processes, method, device, terminal or intrinsic its of system
Its step or module or unit.
The embodiment of the present invention provides a kind of control method for playing back, device and terminal, is described in detail respectively below.
Embodiment one
The present embodiment will be described from the angle of broadcast control device, this device specifically can integrated in the terminal, should
Terminal can be the equipment such as smart mobile phone, panel computer.
A kind of control method for playing back, including：Send the packets of audio data with predetermined time period, this sound to playback equipment
Frequency packet includes playing the timestamp of this packets of audio data；Receive the feedback information of this playback equipment, this feedback information is
This playback equipment plays feedack after this packets of audio data according to this timestamp；This broadcasting is obtained according to this feedback information
The clocking error of equipment；Synch command is sent to this playback equipment according to this clocking error, this synch command indicates that this broadcasting sets
Synchronous for entering row clock.
As shown in figure 1, this control method for playing back, idiographic flow can include：
S101, sends the packets of audio data with predetermined time period to playback equipment, and this packets of audio data includes broadcasting
Put the timestamp of this packets of audio data.
In concrete application, broadcast control device can transfer the original sound in the memory being stored in this broadcast control device
Frequency evidence.Broadcast control device can also obtain original audio number by wired or wireless network at server or other-end
According to.Broadcast control device can also obtain original audio data from the storage mediums such as CD.This original audio data include but
It is not limited to CD, WAV, MP3 (Moving Picture Experts Group Audio Layer III), WMA (Windows
Media Audio) etc. form voice data.This broadcast control device can be integrated in the electronic installation in terminal, also may be used
To be the playback equipment with data processing function.
After getting original audio data, this original audio data can be split into when having default by broadcast control device
Between length multiple packets of audio data.Predetermined time period can be that the time arranging when this broadcast control device dispatches from the factory is long
Angle value.This predetermined time period is to play the duration consuming required for this packets of audio data.For example, predetermined time period is 500
Millisecond.When splitting into multiple packets of audio data, broadcast control device can add in each packets of audio data splitting out to be broadcast
Put the timestamp of this packets of audio data.This timestamp can be one according to determined by the system clock of this broadcast control device
The time point of not yet arrival.After the completion of fractionation, broadcast control device sends, to playback equipment, the packets of audio data that this splits out.
This playback equipment can be the equipment that audio amplifier, music player etc. have audio playing function.
S102, receives the feedback information of this playback equipment, and this feedback information is that this playback equipment is play according to this timestamp
Feedack after this packets of audio data complete.
Specifically, playback equipment has independent system clock.In practical application, this playback equipment controls dress with this broadcasting
The system clock of the trickle time difference, the therefore system clock of this playback equipment and this broadcast control device is there may be between putting
Not always identical.After playback equipment receives the packets of audio data of broadcast control device transmission, in this playback equipment it is
When system clock reaches this timestamp, play this packets of audio data.After playing this packets of audio data, this playback equipment is to this broadcasting
Control device send feedback information.This feedback information represents that this playback equipment has played this packets of audio data.Play and control dress
Put and receive the feedback information that this playback equipment sends.
S103, obtains the clocking error of this playback equipment according to this feedback information.
Specifically, after receiving the feedback information of playback equipment transmission, broadcast control device can be according to this feedback information
Obtain the clocking error between this playback equipment and this broadcast control device.According to this feedback information obtain this playback equipment when
Clock error can specifically include following steps：
According to this timestamp and this predetermined time period calculate this playback equipment play this packets of audio data theory complete
The one-tenth time；
The actual finish time that this playback equipment plays this packets of audio data is obtained according to this feedback information；
Obtain the clocking error of this playback equipment according to this theoretical deadline and this actual finish time.
Specifically, broadcast control device can calculate this playback equipment according to this timestamp and this predetermined time period and play
The theoretical deadline of this packets of audio data complete.In practical application, can using this timestamp add this predetermined time period as
This theoretical deadline.For example, the moment of timestamp label be 1 point 10 seconds, predetermined time period be 500 milliseconds, then this theory
Deadline be 1 point 10.5 seconds.
Broadcast control device can when receiving the feedback information of playback equipment, record receive this feedback information when
Between.Due to being communicated by cable network or wireless network between broadcast control device and playback equipment, feedback information is with electricity
Signal (voltage or electric current) or the form of electromagnetic wave are transmitted.And the transmission speed of electric signal and electromagnetic wave is quickly, electric signal
Or passing time between broadcast control device and playback equipment for the electromagnetic wave is negligible.It is therefore contemplated that playing
The time that control device receives this feedback information is the actual finish time that playback equipment plays this packets of audio data.
Subsequently, this playback equipment can be obtained according to this theoretical deadline and this actual finish time to control with this broadcasting
Clocking error between device, i.e. the clocking error of this playback equipment.According to this theoretical deadline and this actual finish time
The clocking error obtaining this playback equipment can specifically include following steps：
Calculate the time difference between this theoretical deadline and this actual finish time；
Using this time difference as the clocking error of this playback equipment.
Specifically, the time difference between this theoretical deadline and this actual finish time can be calculated, when then with this
Between differ from as this playback equipment clocking error.Concrete calculation is as follows：
t0=t1-t2
Wherein, t0The time difference calculating for need, t1For this theoretical deadline, t2For this actual finish time.Work as the time difference
t0It is on the occasion of, when that is, the theoretical deadline is ahead of actual finish time, the system clock representing playback equipment is than broadcasting control
The system clock of device is slow；As time difference t0For negative value, that is, the theoretical deadline delay when actual finish time, represent and play
The system clock of equipment is faster than the system clock of broadcast control device；As time difference t0During for 0, during the system of expression playback equipment
Clock is identical with the system clock of broadcast control device, does not have clocking error between playback equipment and broadcast control device.
In certain embodiments, after the step of the feedback information receiving this playback equipment, control method for playing back is acceptable
Comprise the following steps：
Obtain the network delay and this playback equipment between；
The step obtaining the clocking error of this playback equipment according to this feedback information specifically includes：
Obtain the clocking error of this playback equipment according to this feedback information and this network delay.
In concrete application, due to the impact of the communication distance between playback equipment and broadcast control device, or there is electricity
The impact of the other factors such as magnetic disturbance, is usually present certain network delay between playback equipment and broadcast control device.Play
Control device can obtain the network delay and playback equipment between by monitoring network communications state.Get network delay
Afterwards, the clocking error of this playback equipment is obtained according to the feedback information receiving and this network delay.According to this feedback information
The clocking error obtaining this playback equipment with this network delay can specifically include following steps：
Calculate the time difference between this theoretical deadline and this actual finish time；
Calculate the difference between this time difference and this network delay；
Using this difference as the clocking error of this playback equipment.
Specifically, calculate the time difference between this theoretical deadline and this actual finish time, then calculate this time
Difference between difference and network delay, and using this difference as the clocking error of this playback equipment.Calculate this theoretical deadline
Time difference and this actual finish time between can be carried out in the following manner：
t0=t1-t2
Wherein, t0The time difference calculating for need, t1For this theoretical deadline, t2For this actual finish time.
Calculate the difference between this time difference and this network delay can carry out in the following manner：
T=t0-t3
Wherein, T is the difference that need to calculate, t0For the time difference calculated, t3For the network delay getting.When difference T
It is on the occasion of i.e. time difference t0More than network delay t3When, represent playback equipment system clock than broadcast control device system when
Clock is slow；When difference T is negative value, i.e. time difference t0Less than network delay t3When, represent that the system clock of playback equipment controls than playing
The system clock of device is fast；When difference T is 0, i.e. time difference t0Equal to network delay t3When, represent the system clock of playback equipment
Identical with the system clock of broadcast control device, there is no clocking error between playback equipment and broadcast control device.
S104, sends synch command according to this clocking error to this playback equipment, and this synch command indicates this playback equipment
Enter row clock synchronous.
Specifically, after broadcast control device gets the clocking error of playback equipment, send synchronous life to this playback equipment
Order.This clocking error information can be carried in this synch command.It is synchronous that this synch command indicates that this playback equipment enters row clock.Should
After playback equipment receives this synch command, the clocking error information according to carrying in this synch command adjusts this playback equipment
System clock is so that the system clock of this playback equipment and the system clock of this broadcast control device are identical.For example, if this is synchronous
The clocking error carrying in order is 1 second, then the system clock of itself is tuned up 1 second by this playback equipment；If in this synch command
The clocking error carrying is -1 second, then the system clock of itself is slowed down 1 second by this playback equipment；If carrying in this synch command
Clocking error is 0, then this playback equipment need not be adjusted to the system clock of itself.
When being embodied as, the present invention is not limited by the execution sequence of each described step, is not producing conflict
In the case of, some steps can also be carried out or be carried out simultaneously using other orders.
From the foregoing, it will be observed that control method for playing back provided in an embodiment of the present invention, during using having default to playback equipment transmission
Between length packets of audio data, this packets of audio data include play this packets of audio data timestamp；Receive this playback equipment
Feedback information, this feedback information plays feedack after this packets of audio data for this playback equipment according to timestamp；Root
Obtain the clocking error of this playback equipment according to this feedback information；Synch command is sent to this playback equipment according to this clocking error,
It is synchronous that this synch command indicates that this playback equipment enters row clock.The program plays feedback after packets of audio data according to playback equipment
The clocking error to obtain this playback equipment for the information, then send synch command to this playback equipment, to indicate that this broadcasting sets
Synchronous for entering row clock, the system clock of this playback equipment can be made identical with the system clock of broadcast control device.Work as presence
During multiple playback equipment, the system clock of the plurality of playback equipment can keep the system clock phase with this broadcast control device
With, namely the system clock of the plurality of playback equipment can keep identical, in terms of existing technologies, can improve multiple broadcasting
Put the synchronism between equipment.
Embodiment two
Citing is described in further detail by control method for playing back according to described by embodiment one below.
In the present embodiment, specifically will be integrated in smart mobile phone with broadcast control device, based on the broadcasting system shown in Fig. 2
System is described in detail to the control method for playing back of the present embodiment.
As shown in Fig. 2 the composition schematic diagram for one of the present embodiment Play System.Play System by server 210,
Smart mobile phone 211 and multiple playback equipment 212 form.Server 210 can be in the server on network.Playback equipment
212 can be the equipment that audio amplifier, music player etc. have audio playing function.Smart mobile phone 211 passes through internet and service
Device 210 enters row data communication, so that smart mobile phone 211 can obtain voice data from server 210.Meanwhile, smart mobile phone
211 pass through wireless network (such as WiFi) enters row data communication, so that smart mobile phone 211 is permissible with multiple playback equipments 212
Send packets of audio data to playback equipment 212.
As shown in figure 3, this control method for playing back, idiographic flow can be as follows：
S201, smart mobile phone sends the packets of audio data with predetermined time period, this packets of audio data to playback equipment
Include playing the timestamp of this packets of audio data.
In concrete application, smart mobile phone passes through internet and obtains original audio data from server, then by this original sound
Frequency evidence splits into multiple packets of audio data with predetermined time period.This original audio data including but not limited to CD,
WAV、MP3(Moving Picture Experts Group Audio Layer III)、WMA(Windows Media
The voice data of form such as Audio).Predetermined time period can be the time span arranging when this smart mobile phone dispatches from the factory
Value.This predetermined time period is to play the duration consuming required for this packets of audio data.For example, predetermined time period is 500 millis
Second.When splitting into multiple packets of audio data, smart mobile phone can add this sound of broadcasting in each packets of audio data splitting out
The timestamp of frequency packet.This timestamp can be a not yet arrival according to determined by the system clock of this smart mobile phone
Time point.After the completion of fractionation, smart mobile phone sends, to playback equipment, the packets of audio data that this splits out.
S202, smart mobile phone receives the feedback information of this playback equipment, this feedback information be this playback equipment according to this when
Between stamp play feedack after this packets of audio data.
Specifically, playback equipment has independent system clock.In practical application, this playback equipment and this smart mobile phone it
Between there may be the trickle time difference, therefore the system clock of the system clock of this playback equipment and this smart mobile phone is not always
Identical.After playback equipment receives the packets of audio data of smart mobile phone transmission, reaching in the system clock of this playback equipment should
During timestamp, play this packets of audio data.After playing this packets of audio data, this playback equipment sends feedback to this smart mobile phone
Information.This feedback information represents that this playback equipment has played this packets of audio data.This smart mobile phone receives this playback equipment and sends out
The feedback information sending.
S203, smart mobile phone obtains the network delay and this playback equipment between.
In concrete application, due to the impact of the communication distance between playback equipment and this smart mobile phone, or there is electromagnetism
The impact of the other factors such as interference, is usually present certain network delay between playback equipment and this smart mobile phone.Smart mobile phone
The network delay and this playback equipment between can be obtained by monitoring network communications state.
S204, smart mobile phone calculates this playback equipment according to this timestamp and this predetermined time period and plays this audio frequency number
The theoretical deadline according to bag.
Specifically, smart mobile phone can calculate this playback equipment according to this timestamp and this predetermined time period and play this
The theoretical deadline of packets of audio data.In practical application, this timestamp can be added this predetermined time period as this reason
By the deadline.For example, the moment of timestamp label be 1 point 10 seconds, predetermined time period be 500 milliseconds, then this theory complete
Time be 1 point 10.5 seconds.
S205, smart mobile phone obtains this playback equipment according to this feedback information and plays actually accomplishing of this packets of audio data
Time.
Specifically, this smart mobile phone can record and receive this feedback letter when receiving the feedback information of playback equipment
The time of breath.Due to being communicated by wireless network (such as WiFi) between smart mobile phone and playback equipment, feedback information with
The form of electromagnetic wave is transmitted.And the transmission speed of electromagnetic wave is quickly, electromagnetic wave is between playback equipment and smart mobile phone
Passing time is negligible.It is therefore contemplated that the time that this smart mobile phone receives this feedback information is this broadcasting
The actual finish time of device plays this packets of audio data complete.
S206, smart mobile phone calculates the time difference between this theoretical deadline and this actual finish time.
Specifically, the time difference calculating between this theoretical deadline and this actual finish time can be in the following manner
Carry out：
t0=t1-t2
Wherein, t0The time difference calculating for need, t1For this theoretical deadline, t2For this actual finish time.
S207, smart mobile phone calculates the difference between this time difference and this network delay.
Specifically, after calculating this time difference, can calculate in the following manner between this time difference and this network delay
Difference：
T=t0-t3
Wherein, T is the difference that need to calculate, t0For the time difference calculated, t3For the network delay getting.
S208, smart mobile phone is using this difference as the clocking error of this playback equipment.
Specifically, after calculating difference T, smart mobile phone is using this difference T as the clocking error of playback equipment.When difference T
Be on the occasion of when, represent playback equipment system clock slower than the system clock of smart mobile phone；When difference T is negative value, expression is broadcast
The system clock putting equipment is faster than the system clock of smart mobile phone；When difference T be 0 when, represent playback equipment system clock with
The system clock of smart mobile phone is identical, does not have clocking error between playback equipment and smart mobile phone.
S209, smart mobile phone sends synch command according to this clocking error to this playback equipment, and the instruction of this synch command should
It is synchronous that playback equipment enters row clock.
Specifically, after smart mobile phone gets the clocking error of playback equipment, send synch command to this playback equipment.Should
This clocking error information can be carried in synch command.It is synchronous that this synch command indicates that this playback equipment enters row clock.This broadcasting
After equipment receives this synch command, the clocking error information according to carrying in this synch command adjusts the system of this playback equipment
Clock is so that the system clock of this playback equipment and the system clock of this smart mobile phone are identical.For example, if taking in this synch command
The clocking error of band is 1 second, then the system clock of itself is tuned up 1 second by this playback equipment；If carry in this synch command when
Clock error is -1 second, then the system clock of itself is slowed down 1 second by this playback equipment；If the clocking error carrying in this synch command
For 0, then this playback equipment need not be adjusted to the system clock of itself.
When being embodied as, the present invention is not limited by the execution sequence of each described step, is not producing conflict
In the case of, some steps can also be carried out or be carried out simultaneously using other orders.
From the foregoing, it will be observed that control method for playing back provided in an embodiment of the present invention, sound is sent to playback equipment using smart mobile phone
Frequency packet；Receive the feedback information of this playback equipment；Obtain the network delay of this playback equipment；According to this feedback information and should
Network delay obtains the clocking error of this playback equipment；Send synch command to this playback equipment, this synch command indicates that this is broadcast
It is synchronous that the equipment of putting enters row clock.The program is according between playback equipment feedack and this playback equipment and smart mobile phone
Network delay, to obtain the clocking error of this playback equipment, then sends synch command to this playback equipment, to indicate this broadcasting
Equipment enters row clock synchronization, and the system clock of this playback equipment can be made identical with the system clock of smart mobile phone.Many when existing
During individual playback equipment, the system clock of the plurality of playback equipment can keep identical with the system clock of this smart mobile phone,
I.e. the system clock of the plurality of playback equipment can keep identical, in terms of existing technologies, can improve multiple broadcastings and set
Synchronism between standby.
Embodiment three
In order to preferably implement above method, the embodiment of the present invention also provides a kind of broadcast control device, and this broadcasting controls
Device can integrated in the terminal, this terminal can be the equipment such as smart mobile phone, panel computer.
As shown in figure 4, broadcast control device 300 can include：Data transmission blocks 301, receiver module 302, first obtain
Delivery block 303, order sending module 304, are described in detail below：
This data transmission blocks 301, for sending the packets of audio data with predetermined time period, this sound to playback equipment
Frequency packet includes playing the timestamp of this packets of audio data；
This receiver module 302, for receiving the feedback information of this playback equipment, this feedback information be this playback equipment according to
This timestamp plays feedack after this packets of audio data；
This first acquisition module 303, for obtaining the clocking error of this playback equipment according to this feedback information；
This order sending module 304, for sending synch command according to this clocking error to this playback equipment, this is synchronously ordered
Order synchronous indicate that this playback equipment enters row clock.
Preferably, as shown in figure 5, this first acquisition module 303 includes：Calculating sub module 3031, the first acquisition submodule
3032nd, the second acquisition submodule 3033, specific as follows：
This calculating sub module 3031, plays for calculating this playback equipment according to this timestamp and this predetermined time period
The theoretical deadline of this packets of audio data；
This first acquisition submodule 3032, plays this voice data for obtaining this playback equipment according to this feedback information
The actual finish time of bag；
This second acquisition submodule 3033, for obtaining this broadcasting according to this theoretical deadline and this actual finish time
The clocking error of equipment.
Preferably, this second acquisition submodule 3033 specifically for：
Calculate the time difference between this theoretical deadline and this actual finish time；
Using this time difference as the clocking error of this playback equipment.
Preferably, as shown in fig. 6, this broadcast control device 300 also includes：Second acquisition module 305, specific as follows：
This second acquisition module 305, for obtaining the network delay and this playback equipment between；
This first acquisition module 303, specifically for obtaining this playback equipment according to this feedback information and this network delay
Clocking error.
Preferably, this second acquisition submodule 3033 specifically for：
Calculate the time difference between this theoretical deadline and this actual finish time；
Calculate the difference between this time difference and this network delay；
Using this difference as the clocking error of this playback equipment.
When being embodied as, above modules 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 modules can be found in embodiment of the method above, and here is not
Repeat again.
From the foregoing, it will be observed that broadcast control device 300 provided in an embodiment of the present invention, by data transmission blocks 301 to broadcasting
Equipment sends the packets of audio data with predetermined time period, and this packets of audio data includes playing the time of this packets of audio data
Stamp；Receiver module 302 receives the feedback information of this playback equipment, and this feedback information plays according to timestamp for this playback equipment
Feedack after this packets of audio data；First acquisition module 303 misses according to the clock that this feedback information obtains this playback equipment
Difference；Order sending module 304 sends synch command according to this clocking error to this playback equipment, and this synch command indicates this broadcasting
It is synchronous that equipment enters row clock.The program plays feedack after packets of audio data according to playback equipment and obtains this broadcasting and sets
Standby clocking error, then sends synch command to this playback equipment, synchronous to indicate that this playback equipment enters row clock, can make
The system clock of this playback equipment is identical with the system clock of broadcast control device.When there is multiple playback equipment, the plurality of
The system clock of playback equipment can keep identical with the system clock of this broadcast control device, namely the plurality of playback equipment
System clock can keep identical, in terms of existing technologies, the synchronism between multiple playback equipments can be improved.
Example IV
The embodiment of the present invention also provides a kind of terminal, and this terminal can be the equipment such as smart mobile phone, panel computer.
As shown in fig. 7, terminal 400 can include：Data transmission blocks 401, receiver module 402, the first acquisition module
403rd, order sending module 404, is described in detail below：
This data transmission blocks 401, for sending the packets of audio data with predetermined time period, this sound to playback equipment
Frequency packet includes playing the timestamp of this packets of audio data；
This receiver module 402, for receiving the feedback information of this playback equipment, this feedback information be this playback equipment according to
This timestamp plays feedack after this packets of audio data；
This first acquisition module 403, for obtaining the clocking error of this playback equipment according to this feedback information；
This order sending module 404, for sending synch command according to this clocking error to this playback equipment, this is synchronously ordered
Order synchronous indicate that this playback equipment enters row clock.
Preferably, this first acquisition module 403 includes：Calculating sub module, the first acquisition submodule, the second acquisition submodule
Block, specific as follows：
This calculating sub module, plays this sound for calculating this playback equipment according to this timestamp and this predetermined time period
The theoretical deadline of frequency packet；
This first acquisition submodule, plays this packets of audio data for obtaining this playback equipment according to this feedback information
Actual finish time；
This second acquisition submodule, for obtaining this playback equipment according to this theoretical deadline and this actual finish time
Clocking error.
Preferably, this second acquisition submodule specifically for：
Calculate the time difference between this theoretical deadline and this actual finish time；
Using this time difference as the clocking error of this playback equipment.
Preferably, terminal 400 can also include：Second acquisition module, specific as follows：
This second acquisition module, for obtaining the network delay and this playback equipment between；
This first acquisition module 403, specifically for obtaining this playback equipment according to this feedback information and this network delay
Clocking error.
Preferably, this second acquisition submodule specifically for：
Calculate the time difference between this theoretical deadline and this actual finish time；
Calculate the difference between this time difference and this network delay；
Using this difference as the clocking error of this playback equipment.
Aforesaid operations specifically can be found in embodiment of the method above, will not be described here.
The embodiment of the present invention also provides another kind of terminal, as shown in figure 8, this terminal 500 can include radio frequency (RF, Radio
Frequency) circuit 501, the memory 502 including one or more computer-readable recording mediums, input block
503rd, display unit 504, sensor 505, voicefrequency circuit 506, Wireless Fidelity (WiFi, Wireless Fidelity) module
507th, the parts such as processor 508 and the power supply 509 of or more than one processing core are included.People in the art
Member, it is appreciated that the restriction of the terminal structure not structure paired terminal shown in Fig. 8, can include more more or less of than illustrating
Part, or combine some parts, 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 program code.Application program can form various functions module.Processor 508 passes through operation and is stored in answering of memory 502
With program, thus executing various function application and data processing.Memory 502 can mainly include storing program area and storage number
According to area, wherein, storing program area can application program needed for storage program area, at least one function (such as sound plays work(
Energy, image player function etc.) etc.；Storage data field can store according to terminal using created data (such as voice data,
Phone directory etc.) etc..Additionally, memory 502 can include high-speed random access memory, non-volatile memories can also be included
Device, for example, at least one disk memory, flush memory device or other volatile solid-state parts.Correspondingly, memory
502 can also include Memory Controller, 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, input block 503 can include fingerprint recognition module.In certain embodiments, input block 503 can also include touch-sensitive table
Face.Touch sensitive surface, also referred to as touch-screen or Trackpad, can collect user thereon or neighbouring touch operation (such as user
Using the operation on Touch sensitive surface or near Touch sensitive surface of any suitable object such as finger, stylus or annex), and according to
Formula set in advance drives corresponding attachment means.Optionally, Touch sensitive surface may include touch detecting apparatus and touch control
Two parts of device.Wherein, touch detecting apparatus detect the touch orientation of user, and detect the signal that touch operation brings, and will believe
Number send touch controller to；Touch controller receives touch information from touch detecting apparatus, and is converted into contact seat
Mark, then gives processor 508, and can the order sent of receiving processor 508 being executed.Furthermore, it is possible to using resistance-type,
The polytypes such as condenser type, infrared ray and surface acoustic wave realize Touch sensitive surface.Except Touch sensitive surface, input block 503 also may be used
To include other input equipments.Specifically, other input equipments can include but is not limited to physical keyboard, function key (such as sound
Amount control button, switch key etc.), 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 fig. 8, 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. 8 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. 8, 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 program code of process of application program is loaded in memory 502, and to be run by processor 508 and be stored in
Application program in memory 502, thus realize various functions：
Send the packets of audio data with predetermined time period to playback equipment, this packets of audio data includes playing this sound
The timestamp of frequency packet；Receive the feedback information of this playback equipment, this feedback information is this playback equipment according to this timestamp
Play feedack after this packets of audio data；Obtain the clocking error of this playback equipment according to this feedback information；According to this
Clocking error sends synch command to this playback equipment, and it is synchronous that this synch command indicates that this playback equipment enters row clock.
Preferably, processor 508 has data transmission blocks, receiver module, the first acquisition module, order sending module,
It is described in detail below：
Processor 508 is used for sending the voice data with predetermined time period to playback equipment by data transmission blocks
Bag, this packets of audio data includes playing the timestamp of this packets of audio data；
Processor 508 is used for receiving the feedback information of this playback equipment by receiver module, and this feedback information is this broadcasting
Equipment plays feedack after this packets of audio data according to this timestamp；
Processor 508 is used for obtaining the clocking error of this playback equipment according to this feedback information by the first acquisition module；
Processor 508 is used for sending synch command according to this clocking error to this playback equipment by order sending module,
It is synchronous that this synch command indicates that this playback equipment enters row clock.
Aforesaid operations specifically can be found in embodiment of the method above, will not be described here.
From the foregoing, it will be observed that embodiments providing a kind of terminal, long by there is Preset Time to playback equipment transmission
The packets of audio data of degree, this packets of audio data includes playing the timestamp of this packets of audio data；Receive the anti-of this playback equipment
Feedforward information, this feedback information plays feedack after this packets of audio data for this playback equipment according to timestamp；According to this
Feedback information obtains the clocking error of this playback equipment；Synch command is sent to this playback equipment according to this clocking error, this is same
It is synchronous that step command indicates that this playback equipment enters row clock.The program plays the letter of feedback after packets of audio data according to playback equipment
Breath obtaining the clocking error of this playback equipment, then sends synch command to this playback equipment, to indicate that this playback equipment enters
Row clock is synchronous, and the system clock of this playback equipment can be made identical with the system clock of this terminal.Set when there are multiple broadcastings
When standby, the system clock of the plurality of playback equipment can keep identical with the system clock of this terminal, namely the plurality of broadcasting
The system clock of equipment can keep identical, in terms of existing technologies, can improve the synchronization between multiple playback equipments
Property.
It should be noted that one of ordinary skill in the art will appreciate that whole in the various methods of above-described embodiment or
Part steps can be by program to complete come the hardware to instruct correlation, and this program can be stored in computer-readable storage medium
In matter, storage medium can include：Read-only storage (ROM, Read Only Memory), random access memory (RAM,
Random Access Memory), disk or CD etc..
A kind of control method for playing back, device and the terminal that above the embodiment of the present invention are provided are described in detail,
Specific case used herein is set forth to the principle of the present invention and embodiment, and the explanation of above example is to use
Understand the method for the present invention and its core concept in help；Simultaneously for those skilled in the art, according to the think of of the present invention
Think, all will change in specific embodiments and applications, in sum, it is right that this specification content should not be construed as
The restriction of the present invention.
Claims (11)
1. a kind of control method for playing back is it is characterised in that include：
Send the packets of audio data with predetermined time period to playback equipment, described packets of audio data includes playing described sound
The timestamp of frequency packet；
Receive the feedback information of described playback equipment, described feedback information plays according to described timestamp for described playback equipment
Feedack after described packets of audio data；
Obtain the clocking error of described playback equipment according to described feedback information；
Synch command is sent to described playback equipment according to described clocking error, described synch command indicates that described playback equipment enters
Row clock is synchronous.
2. control method for playing back according to claim 1 it is characterised in that described according to described feedback information obtain described in
The step of the clocking error of playback equipment specifically includes：
The reason that described playback equipment plays described packets of audio data is calculated according to described timestamp and described predetermined time period
By the deadline；
The actual finish time that described playback equipment plays described packets of audio data is obtained according to described feedback information；
Obtain the clocking error of described playback equipment according to described theory deadline and described actual finish time.
3. control method for playing back according to claim 2 it is characterised in that described according to described theory deadline and institute
The step stating the clocking error that actual finish time obtains described playback equipment specifically includes：
Calculate the time difference between described theory deadline and described actual finish time；
Using the described time difference as the clocking error of described playback equipment.
4. control method for playing back according to claim 2 is it is characterised in that the feedback letter of the described playback equipment of described reception
After the step of breath, described control method for playing back also includes：
Obtain the network delay and described playback equipment between；
The step of the described clocking error obtaining described playback equipment according to described feedback information specifically includes：
Obtain the clocking error of described playback equipment according to described feedback information and described network delay.
5. control method for playing back according to claim 4 it is characterised in that described according to described theory deadline and institute
The step stating the clocking error that actual finish time obtains described playback equipment specifically includes：
Calculate the time difference between described theory deadline and described actual finish time；
Calculate the difference between described time difference and described network delay；
Using described difference as the clocking error of described playback equipment.
6. a kind of broadcast control device is it is characterised in that include：
Data transmission blocks, for sending the packets of audio data with predetermined time period, described voice data to playback equipment
Bag includes the timestamp of playing audio data bag；
Receiver module, for receiving the feedback information of described playback equipment, described feedback information is for described playback equipment according to institute
State timestamp and play feedack after described packets of audio data；
First acquisition module, for obtaining the clocking error of described playback equipment according to described feedback information；
Order sending module, for sending synch command, described synch command according to described clocking error to described playback equipment
Indicate that described playback equipment enters row clock synchronous.
7. broadcast control device according to claim 6 is it is characterised in that described first acquisition module specifically includes：
Calculating sub module, described in playing according to described timestamp and the described predetermined time period described playback equipment of calculating
The theoretical deadline of packets of audio data；
First acquisition submodule, plays described packets of audio data for obtaining described playback equipment according to described feedback information
Actual finish time；
Second acquisition submodule, for obtaining described playback equipment according to described theory deadline and described actual finish time
Clocking error.
8. broadcast control device according to claim 7 it is characterised in that described second acquisition submodule specifically for：
Calculate the time difference between described theory deadline and described actual finish time；
Using the described time difference as the clocking error of described playback equipment.
9. broadcast control device according to claim 7 is it is characterised in that described broadcast control device also includes：
Second acquisition module, for obtaining the network delay and described playback equipment between；
Described first acquisition module, specifically for obtaining described playback equipment according to described feedback information and described network delay
Clocking error.
10. broadcast control device according to claim 9 it is characterised in that described second acquisition submodule specifically for：
Calculate the time difference between described theory deadline and described actual finish time；
Calculate the difference between described time difference and described network delay；
Using described difference as the clocking error of described playback equipment.
A kind of 11. terminals are it is characterised in that include：
Touch-screen, for the touch operation of receive user；
Be stored with the memory of executable program code；
The processor coupling with described memory；
Described processor calls the described executable program code of storage in described memory, appoints in execution such as claim 1 to 5
Control method for playing back described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610882800.XA CN106411447B (en) | 2016-10-08 | 2016-10-08 | Control method for playing back, device and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610882800.XA CN106411447B (en) | 2016-10-08 | 2016-10-08 | Control method for playing back, device and terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106411447A true CN106411447A (en) | 2017-02-15 |
| CN106411447B CN106411447B (en) | 2018-12-11 |
Family
ID=59228467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610882800.XA Active CN106411447B (en) | 2016-10-08 | 2016-10-08 | Control method for playing back, device and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106411447B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109362099A (en) * | 2018-12-05 | 2019-02-19 | 南昌黑鲨科技有限公司 | Wirelessly communicate delay testing method, device, computer equipment and storage medium |
| CN111147906A (en) * | 2018-11-02 | 2020-05-12 | 纬创资通股份有限公司 | Synchronous playing system and synchronous playing method |
| CN112073791A (en) * | 2020-08-03 | 2020-12-11 | 上海商泰汽车信息系统有限公司 | Playing synchronization method and device, storage medium and user side |
| WO2022267514A1 (en) * | 2021-06-25 | 2022-12-29 | 北京百度网讯科技有限公司 | Navigation broadcast detection method and apparatus, and electronic device and medium |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1960485A (en) * | 2006-08-29 | 2007-05-09 | 中兴通讯股份有限公司 | Method for playing back video and audio synchronistically in mobile media broadcast |
| CN101271720A (en) * | 2008-04-22 | 2008-09-24 | 中兴通讯股份有限公司 | Synchronization process for mobile phone stream media audio and video |
| CN101621745A (en) * | 2008-07-03 | 2010-01-06 | 乐金电子(中国)研究开发中心有限公司 | Synchronous play method for mobile phones based on wireless transmission |
| WO2011092244A1 (en) * | 2010-01-27 | 2011-08-04 | Koninklijke Kpn N.V. | Method, system and device for synchronization of media streams |
| CN103338204A (en) * | 2013-07-05 | 2013-10-02 | 曾德钧 | Audio synchronization output method and system |
| CN105656616A (en) * | 2014-12-03 | 2016-06-08 | 中国移动通信集团公司 | Inter-multi-device data synchronization method and device, transmitting end and receiving end |
| CN105721920A (en) * | 2014-12-04 | 2016-06-29 | 中国移动通信集团公司 | Method and apparatus for cooperative playing of media on multi devices, and terminal |
| CN105872660A (en) * | 2016-03-30 | 2016-08-17 | 北京奇艺世纪科技有限公司 | Synchronous play method and device |
| CN105992040A (en) * | 2015-02-15 | 2016-10-05 | 深圳市民展科技开发有限公司 | Multichannel audio data transmitting method, audio data synchronization playing method and devices |
-
2016
- 2016-10-08 CN CN201610882800.XA patent/CN106411447B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1960485A (en) * | 2006-08-29 | 2007-05-09 | 中兴通讯股份有限公司 | Method for playing back video and audio synchronistically in mobile media broadcast |
| CN101271720A (en) * | 2008-04-22 | 2008-09-24 | 中兴通讯股份有限公司 | Synchronization process for mobile phone stream media audio and video |
| CN101621745A (en) * | 2008-07-03 | 2010-01-06 | 乐金电子(中国)研究开发中心有限公司 | Synchronous play method for mobile phones based on wireless transmission |
| WO2011092244A1 (en) * | 2010-01-27 | 2011-08-04 | Koninklijke Kpn N.V. | Method, system and device for synchronization of media streams |
| CN103338204A (en) * | 2013-07-05 | 2013-10-02 | 曾德钧 | Audio synchronization output method and system |
| CN105656616A (en) * | 2014-12-03 | 2016-06-08 | 中国移动通信集团公司 | Inter-multi-device data synchronization method and device, transmitting end and receiving end |
| CN105721920A (en) * | 2014-12-04 | 2016-06-29 | 中国移动通信集团公司 | Method and apparatus for cooperative playing of media on multi devices, and terminal |
| CN105992040A (en) * | 2015-02-15 | 2016-10-05 | 深圳市民展科技开发有限公司 | Multichannel audio data transmitting method, audio data synchronization playing method and devices |
| CN105872660A (en) * | 2016-03-30 | 2016-08-17 | 北京奇艺世纪科技有限公司 | Synchronous play method and device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111147906A (en) * | 2018-11-02 | 2020-05-12 | 纬创资通股份有限公司 | Synchronous playing system and synchronous playing method |
| CN111147906B (en) * | 2018-11-02 | 2024-03-15 | 纬创资通股份有限公司 | Synchronous playing system and synchronous playing method |
| CN109362099A (en) * | 2018-12-05 | 2019-02-19 | 南昌黑鲨科技有限公司 | Wirelessly communicate delay testing method, device, computer equipment and storage medium |
| CN112073791A (en) * | 2020-08-03 | 2020-12-11 | 上海商泰汽车信息系统有限公司 | Playing synchronization method and device, storage medium and user side |
| WO2022267514A1 (en) * | 2021-06-25 | 2022-12-29 | 北京百度网讯科技有限公司 | Navigation broadcast detection method and apparatus, and electronic device and medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106411447B (en) | 2018-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106411448A (en) | Play control method and device, and terminal | |
| CN104243671B (en) | Volume adjusting method, device and electronic equipment | |
| CN106373600B (en) | A kind of audio sync player method, device, system and terminal | |
| CN104142779B (en) | user interface control method, device and terminal | |
| CN104065982A (en) | Streaming media live broadcast method and device | |
| CN103559731B (en) | Method and terminal for displaying lyrics under screen locking state | |
| CN106452643A (en) | Playing control method and device, terminal and playing system | |
| CN106341713B (en) | A kind of multimedia synchronous plays method, apparatus, system and terminal | |
| CN104144312A (en) | Video processing method and related device | |
| CN106411447A (en) | Play control method and device, and terminal | |
| CN106254903A (en) | The synchronous broadcast method of a kind of multi-medium data, Apparatus and system | |
| CN103458286A (en) | Television channel switching method and device | |
| CN103533127A (en) | Call control method of terminal and terminal | |
| CN105163189A (en) | Method for reserving multimedia programs, server and terminal | |
| CN105141458A (en) | Remaining duration showing method and device | |
| CN106452644B (en) | Control method for playing back, device and terminal | |
| CN105391870A (en) | Timing reminding method and device | |
| CN106412625A (en) | Multimedia synchronous playing method, device and system and terminal | |
| CN106371797A (en) | Method and device for configuring sound effect | |
| CN106412629B (en) | Processing method, device, system and the computer-readable media medium of media data transmission | |
| CN106445458A (en) | Playing control method and device and terminal | |
| CN106375823B (en) | A kind of clock adjustment, device, terminal and multimedia synchronous play system | |
| JP2021525489A (en) | Random access resource selection method and terminal device | |
| CN106454420B (en) | A kind of clock synchronizing method and device | |
| CN106454421B (en) | A kind of clock adjustment, device, terminal and multimedia synchronous play system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: Guangdong Opel Mobile Communications Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |