CN106454635A - Method and system for data synchronization between multi-sound-channel wireless loudspeaker boxes - Google Patents
Method and system for data synchronization between multi-sound-channel wireless loudspeaker boxes Download PDFInfo
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- CN106454635A CN106454635A CN201611034167.5A CN201611034167A CN106454635A CN 106454635 A CN106454635 A CN 106454635A CN 201611034167 A CN201611034167 A CN 201611034167A CN 106454635 A CN106454635 A CN 106454635A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- Acoustics & Sound (AREA)
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Abstract
The invention discloses a method for data synchronization between multi-sound-channel wireless loudspeaker boxes, wherein the method is applied to a slave device. The method comprises: after successful connection with a master device, a request of obtaining audio data of a corresponding sound channel is sent to the master device; audio data, sent by the master device, of the corresponding sound channel are received and broadcast information, sent by the master device, for obtaining a current output position and a corresponding serial number of audio data of the slave device is received; according to the broadcast information, the current output position and corresponding serial number of the audio data are sent to the master device; and a corresponding audio data difference value that is obtained by calculation by the master device based on the current output position and corresponding serial number of the audio data is received and the current output position of the audio data is adjusted based on the corresponding audio data difference value. In addition, the invention also discloses a system for data synchronization between multi-sound-channel wireless loudspeaker boxes. Therefore, synchronous audio data outputting between different wireless sound channel loudspeaker boxes can be realized.
Description
Technical field
The present invention relates to multi-track radio audio amplifier field, data syn-chronization more particularly between a kind of multi-track radio audio amplifier
Method and system.
Background technology
With the development of wireless technology, wireless bandwidth is significantly increased, and being wirelessly transferred multiple sound channels has transmission quality
Guarantee.By being wirelessly transferred multiple sound channels to multiple audio amplifiers, can avoid connecting up between multiple audio amplifiers loaded down with trivial details；Multiple wireless generals
Audio amplifier is external, is made not only can intelligent television more frivolous, and can improve the audio of experience；Be currently based on bluetooth,
The wireless sound boxes such as WIFI, usually export two sound channels or multiple sound channels, in an audio frequency apparatus on same audio amplifier
On, to synchronizing between two or more sound channels, as the time reference of system is the same, time stamp therefore can be adopted
To synchronize to multiple sound channels, but if multiple sound channels are distributed on multiple wireless sound boxes, as different audio amplifiers are in system
Up to I haven't seen you for ages there is the error of ms rank for time reference, if using the time come the wireless sound box of synchronous difference sound channels, will be unable to
The synchronous error for meeting us rank between different sound channels is required.
Content of the invention
Present invention is primarily targeted at proposing a kind of method and system of data syn-chronization between multi-track radio audio amplifier, purport
Solving using the time come the wireless sound box of synchronous difference sound channel, will be unable to meet the synchronous error of us rank between different sound channels
The technical problem of requirement.
For achieving the above object, the method for data syn-chronization, application between a kind of multi-track radio audio amplifier that the present invention is provided
In from equipment, the method comprising the steps of：
With main equipment successful connection after, the voice data request that will obtain corresponding sound channel is sent to main equipment；
Receiving the voice data of the corresponding sound channel of main equipment transmission, and acquisition that the main equipment sends is received from setting
Standby voice data current output bit put and reference numeral broadcast message；
According to the broadcast message, voice data current output bit is put and reference numeral is sent to main equipment；
Receive the main equipment to put by voice data current output bit and the calculated corresponding audio frequency of reference numeral
Data difference, and according to the corresponding voice data difference, voice data current output bit is put and be adjusted.
Alternatively, the reception main equipment is put by voice data current output bit and reference numeral is calculated
Corresponding voice data difference, and according to the corresponding voice data difference, voice data current output bit is put and be adjusted
The step of include：
Judge the corresponding voice data difference whether less than zero or more than zero；
If the corresponding voice data difference is less than zero, the corresponding voice data difference is inserted into audio frequency number
In putting according to current output bit；
The corresponding voice data difference is more than zero, then put middle deletion from voice data current output bit corresponding with described
The corresponding voice data of voice data difference.
Alternatively, methods described includes：
Starting audio collection module carries out audio data collecting, and the voice data of each collection is numbered；
With request be connected from equipment set up connection after, by correspondence sound channel voice data send to successful connection from
Equipment；
When successful connection reaches preset value from number of devices, will obtain put from equipment voice data current output bit and
The information of corresponding voice data numbering is sent to successful connection from equipment；
Obtain the voice data current output bit for sending from equipment for having connected to put and corresponding voice data numbering, and select
Take Ref. No.；
The voice data numbering of the voice data outgoing position for sending from equipment for having connected is compared with Ref. No.
Relatively, corresponding voice data difference is obtained, and the corresponding voice data difference is sent to corresponding from equipment.
Alternatively, include the step of the selection Ref. No.：
The corresponding voice data numbering of voice data outgoing position to getting is ranked up；
The voice data numbering of the median in the corresponding voice data numbering of the voice data outgoing position is extracted, and
The voice data of the median is numbered as Ref. No..
Alternatively, described by the voice data numbering of the voice data outgoing position for sending from equipment for having connected and reference
Numbering is compared, and obtains corresponding voice data difference, and by the corresponding voice data difference send to corresponding from
The step of equipment, includes：
The voice data numbering of the voice data outgoing position for sending from equipment for having connected is subtracted each other with Ref. No., is obtained
Obtain corresponding voice data difference；
If the corresponding voice data difference more than zero or is less than zero, the corresponding voice data difference is sent
Extremely corresponding from equipment；
If the corresponding voice data difference is equal to zero, ignore the corresponding voice data difference.
Additionally, for achieving the above object, the system that the present invention also provides data syn-chronization between a kind of multi-track radio audio amplifier,
The system includes main equipment and from equipment, described includes from equipment：
First sending module, for main equipment successful connection after, the voice data request that will obtain corresponding sound channel is sent out
Deliver to main equipment；
First receiver module, for receiving the voice data of the corresponding sound channel of main equipment transmission, and receives the master
Equipment send acquisition put from equipment voice data current output bit and reference numeral broadcast message；
Second sending module, for according to the broadcast message, voice data current output bit is put and reference numeral send
To main equipment；
Adjusting module, for receiving, the main equipment is put by voice data current output bit and reference numeral is calculated
Corresponding voice data difference, and according to the corresponding voice data difference, voice data current output bit is put and adjusts
Whole.
Alternatively, the adjusting module includes：
Whether judging unit, for judging the corresponding voice data difference less than zero or more than zero；
Insertion unit, if being less than zero for the corresponding voice data difference, will be poor for the corresponding voice data
Value is inserted into during voice data current output bit puts；
Unit is deleted, is more than zero, then putting from voice data current output bit for the corresponding voice data difference
Delete and the corresponding voice data of the corresponding voice data difference.
Alternatively, the main equipment includes：
Starting module, carries out audio data collecting, and the voice data to each collection for starting audio collection module
It is numbered；
3rd sending module, for being connected with request from after equipment foundation connection, will correspond to the voice data of sound channel
Send to successful connection from equipment；
4th sending module, for when successful connection reaches preset value from number of devices, obtaining from equipment audio frequency
Data current output bit is put and the information of corresponding voice data numbering is sent to successful connection from equipment；
Module is chosen, is put and corresponding audio frequency for obtaining the voice data current output bit for sending from equipment for having connected
Data number, and choose Ref. No.；
Comparison module, for numbering and ginseng the voice data of the voice data outgoing position for sending from equipment for having connected
Examine numbering to be compared, obtain corresponding voice data difference, and the corresponding voice data difference is sent to corresponding
From equipment.
Alternatively, the selection module includes：
Sequencing unit, is ranked up for the corresponding voice data numbering of voice data outgoing position to getting；
Extraction unit, for extracting the sound of the median in the corresponding voice data numbering of the voice data outgoing position
Frequency data number, and the voice data of the median is numbered as Ref. No..
Alternatively, the comparison module includes：
Subtract each other unit, for numbering and ginseng the voice data of the voice data outgoing position for sending from equipment for having connected
Examine numbering to subtract each other, obtain corresponding voice data difference；
Transmitting element, if more than zero or being less than zero for the corresponding voice data difference, by the corresponding sound
Frequency data difference is sent to corresponding from equipment；
Ignoring unit, if zero is equal to for the corresponding voice data difference, ignores the corresponding voice data
Difference.
The present invention by with main equipment successful connection after, the voice data request for obtaining corresponding sound channel is sent to master and is set
Standby；The voice data of the corresponding sound channel of main equipment transmission is received, and the acquisition of main equipment transmission is received from equipment sound
Frequency put according to current output bit and reference numeral broadcast message；According to the broadcast message, voice data current output bit is put
And reference numeral is sent to main equipment；Receive that the main equipment is put by voice data current output bit and reference numeral is calculated
The corresponding voice data difference for arriving, and according to the corresponding voice data difference, voice data current output bit is put and carry out
Adjustment.By the way, first connection request is sent to main equipment, with main equipment successful connection after, by obtain correspond to
The voice data request of sound channel is sent to main equipment；Then the voice data of the corresponding sound channel of main equipment transmission is received, and
Receive the main equipment transmission acquisition put from equipment voice data current output bit and reference numeral broadcast message；According to institute
State that voice data current output bit is put by broadcast message and reference numeral is sent to main equipment；The main equipment is received by audio frequency
Data current output bit is put and the calculated corresponding voice data difference of reference numeral, and according to the corresponding audio frequency number
According to difference, voice data current output bit is put and be adjusted.So as to realize synchronizing output with other wireless sound boxes.
Description of the drawings
Fig. 1 is the schematic flow sheet of the method first embodiment of data syn-chronization between multi-track radio audio amplifier of the present invention；
Fig. 2 in order to receive in Fig. 1, put by voice data current output bit and reference numeral is calculated by the main equipment
Corresponding voice data difference, and according to the corresponding voice data difference, voice data current output bit is put and be adjusted
The step of refinement schematic flow sheet；
Fig. 3 is the schematic flow sheet of the method second embodiment of data syn-chronization between multi-track radio audio amplifier of the present invention；
Fig. 4 is the refinement schematic flow sheet of the step of choosing Ref. No. in Fig. 3；
Fig. 5 is in Fig. 3 to number and reference the voice data of the voice data outgoing position for sending from equipment for having connected
Numbering is compared, and obtains corresponding voice data difference, and by the corresponding voice data difference send to corresponding from
The refinement schematic flow sheet of the step of equipment；
Fig. 6 is that the functional module of the system first embodiment of data syn-chronization between multi-track radio audio amplifier of the present invention is illustrated
Figure；
Fig. 7 is the refinement high-level schematic functional block diagram of adjusting module in Fig. 6；
Fig. 8 is that the functional module of the system second embodiment of data syn-chronization between multi-track radio audio amplifier of the present invention is illustrated
Figure；
Fig. 9 is the refinement high-level schematic functional block diagram for choosing module in Fig. 8；
Figure 10 is the refinement high-level schematic functional block diagram of comparison module in Fig. 8.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only in order to explain the present invention.
The method that the present invention provides data syn-chronization between a kind of multi-track radio audio amplifier, is applied to from equipment.
Show with reference to the flow process that Fig. 1, Fig. 1 are the method first embodiment of data syn-chronization between multi-track radio audio amplifier of the present invention
It is intended to.
In the present embodiment, the method includes：
Step S110, with main equipment successful connection after, the voice data request for obtaining corresponding sound channel is sent to master and is set
Standby.
In the present embodiment, described is wireless sound box from equipment, and the quantity of the wireless sound box can be two or two
More than individual；The main equipment can be intelligent television or Set Top Box etc..Can normally implement for guarantee the present embodiment, need first
By main equipment, each connects power supply from equipment, then starts shooting.And main equipment is monitored, when monitoring " main frame is in operation
In " message broadcast when, if current be not attached with main equipment from equipment, send be attached with main equipment please
Ask.After successful connection, the request for obtaining currently from the voice data of equipment correspondence sound channel is sent to main equipment.
Step S120, receives the voice data of the corresponding sound channel that the main equipment sends, and receives main equipment transmission
Acquisition put from equipment voice data current output bit and reference numeral broadcast message.
Will obtain after the request that currently corresponds to the voice data of sound channel from equipment sent to main equipment, receive come autonomous
The voice data of the corresponding sound channel of equipment, and receive the main equipment transmission acquisition put from equipment voice data current output bit
And the broadcast message of reference numeral.
Voice data current output bit is put by step S130 according to the broadcast message and reference numeral sends to master and sets
Standby.
Receive the acquisition that main equipment sends put from equipment voice data current output bit and reference numeral broadcast letter
During breath, according to the broadcast message, voice data current output bit is put and reference numeral is sent to main equipment.
Step S140, the reception main equipment is put by voice data current output bit and reference numeral is calculated right
The voice data difference that answers, and according to the corresponding voice data difference, voice data current output bit is put and be adjusted.
When main equipment is put and reference numeral carries out calculating it by each voice data current output bit for sending from equipment
Afterwards, each voice data difference from equipment is obtained, and the voice data difference is sent to each from equipment.Connect from equipment
The voice data difference is received, and according to the voice data difference, current audio data outgoing position is adjusted.So as to
Each is realized from the data syn-chronization output between equipment.
The present embodiment by with main equipment successful connection after, the voice data request that will obtain corresponding sound channel is sent to master
Equipment；The voice data of the corresponding sound channel of main equipment transmission is received, and the acquisition of main equipment transmission is received from equipment
Voice data current output bit put and reference numeral broadcast message；, according to the broadcast message, voice data is currently exported
Position and reference numeral are sent to main equipment；Receive the main equipment to put by voice data current output bit and reference numeral meter
The corresponding voice data difference for obtaining, and according to the corresponding voice data difference, voice data current output bit is put
It is adjusted.By the way, first connection request is sent to main equipment, with main equipment successful connection after, will obtain
The voice data request of corresponding sound channel is sent to main equipment；Then the audio frequency number of the corresponding sound channel of main equipment transmission is received
According to, and receive the main equipment transmission acquisition put from equipment voice data current output bit and reference numeral broadcast message；,
According to the broadcast message, voice data current output bit is put and reference numeral is sent to main equipment；Receive the main equipment to lead to
Cross voice data current output bit to put and the calculated corresponding voice data difference of reference numeral, and according to described corresponding
Voice data difference is put to voice data current output bit and is adjusted.So as to realize with other wireless sound boxes synchronize defeated
Go out.
Further, put by voice data current output bit and right for receiving the main equipment in Fig. 1 with reference to Fig. 2, Fig. 2
Calculated corresponding voice data difference should be numbered, and current to voice data according to the corresponding voice data difference
The refinement schematic flow sheet of the step of outgoing position is adjusted.
Based on the method first embodiment of data syn-chronization between multi-track radio audio amplifier of the present invention, step S140 is permissible
Including：
Whether step S141, judge the corresponding voice data difference less than zero or more than zero；
Step S142, if the corresponding voice data difference is less than zero, the corresponding voice data difference is inserted
Enter in putting to voice data current output bit；
Step S143, the corresponding voice data difference is more than zero, then put middle deletion from voice data current output bit
With the corresponding voice data of the corresponding voice data difference.
In the present embodiment, when corresponding voice data difference is received, the corresponding voice data is first determined whether
Whether difference if the corresponding voice data difference be less than zero, illustrates broadcasting currently from equipment less than zero or more than zero
Progress ratio is slow with reference to progress, then need the current playing progress rate from equipment plus corresponding voice data difference so that current
Consistent with reference to progress from the playing progress rate of equipment.The corresponding voice data difference is more than zero, then illustrate currently from equipment
Playing progress rate ratio slow with reference to progress, then need for the current playing progress rate from equipment to delete corresponding voice data difference, make
Obtain currently consistent with reference to progress from the playing progress rate of equipment.
Whether the present embodiment is by judging the corresponding voice data difference less than zero or more than zero；If described corresponding
Voice data difference is less than zero, then the corresponding voice data difference is inserted into during voice data current output bit puts；Institute
Corresponding voice data difference being stated more than zero, then middle deletion and the corresponding voice data is put from voice data current output bit
The corresponding voice data of difference.By the way, the sound of the audio output position of different sound channels to audio collection position is realized
Frequency is in the same size according to buffer, so as to realize the synchronization between the wireless sound box of different sound channels.
The present invention further provides between a kind of multi-track radio audio amplifier data syn-chronization method, be applied to main equipment.
Show with reference to the flow process that Fig. 3, Fig. 3 are the method second embodiment of data syn-chronization between multi-track radio audio amplifier of the present invention
It is intended to.
In the present embodiment, the method includes：
Step S150, starting audio collection module carries out audio data collecting, and the voice data of each collection is carried out
Numbering；
Step S160, is being connected with request from after equipment foundation connection, the voice data of corresponding sound channel is being sent to even
Connect successfully from equipment；
Step S170, when successful connection reaches preset value from number of devices, will obtain current from equipment voice data
The information of outgoing position and corresponding voice data numbering is sent to successful connection from equipment；
Step S180, obtains the voice data current output bit for sending from equipment for having connected and puts and corresponding voice data
After numbering, Ref. No. is chosen；
Step S190, voice data numbering and the reference of the voice data outgoing position for sending from equipment for having connected are compiled
Number it is compared, obtains corresponding voice data difference, and the corresponding voice data difference is sent to corresponding from setting
Standby.
In the present embodiment, before startup audio collection module carries out audio data collecting, main equipment is being connected electricity
Source after starting shooting, can be notified from equipment by broadcast (sites) in turn mode " main frame in operation ", the time interval of broadcast (sites) in turn
For T1.T1 can be configured according to specific audio output.Then starting audio collection module carries out audio data collecting, and
The voice data of each collection is numbered.The same time is gathered the data number of different sound channels and is unified.Then connect
Receive the connection request from equipment and be connected from equipment with send the connection request, the corresponding sound channel after being numbered
Voice data is sent to successful connection from equipment.When successful connection reaches preset value from number of devices, will obtain from setting
Standby voice data current output bit is put and the broadcast (sites) in turn of corresponding voice data numbering is sent to from equipment.The preset value
Value is more than 2, and concrete value can synchronize being configured from the quantity of equipment for output as needed.When connection
When quantity reaches preset value, need to obtain each and put from the current output bit of equipment, therefore can be by obtaining from equipment sound
Frequency is put according to current output bit and the broadcast (sites) in turn of corresponding voice data numbering is sent to successful connection from equipment.When obtaining
Get connected from equipment send voice data current output bit put and corresponding voice data numbering after, choose with reference to compile
Number.Then the voice data numbering of the voice data outgoing position for sending from equipment for having connected is compared with Ref. No.
Relatively, corresponding voice data difference is obtained, and the corresponding voice data difference is sent to corresponding from equipment.
The present embodiment carries out audio data collecting by starting audio collection module, and the voice data of each collection is entered
Line number；With request be connected from equipment set up connection after, by correspondence sound channel voice data send to successful connection from
Equipment；When successful connection reaches preset value from number of devices, put obtaining and right from equipment voice data current output bit
The information of the voice data numbering that answers is sent to successful connection from equipment；Obtain the voice data for sending from equipment for having connected
Current output bit is put and corresponding voice data numbering, and chooses Ref. No.；By the audio frequency number for sending from equipment for having connected
It is compared with Ref. No. according to the voice data numbering of outgoing position, corresponding voice data difference is obtained, and will be described right
The voice data difference that answers is sent to corresponding from equipment.By the way, starting audio collection module first carries out audio frequency
Data acquisition, and the voice data of each collection is numbered；Then receive from the connection request of equipment and described with sending
Connecting from equipment for connection request, the voice data of corresponding sound channel is sent to successful connection from equipment；When successful connection
From number of devices reach preset value when, by obtain put from equipment voice data current output bit and corresponding voice data numbering
Broadcast (sites) in turn is sent to successful connection from equipment；Obtain connected from equipment send voice data current output bit put and
After corresponding voice data numbering, Ref. No. is chosen；Again by the voice data outgoing position for sending from equipment for having connected
Voice data numbering is compared with Ref. No., the corresponding voice data difference of acquisition, and by the corresponding voice data
Difference is sent to corresponding from equipment.To be adjusted from equipment to outgoing position.
Further, with reference to the refinement schematic flow sheet that Fig. 4, Fig. 4 are the step of choosing Ref. No. in Fig. 3.
Based on the method second embodiment of data syn-chronization between multi-track radio audio amplifier of the present invention, step S180 is permissible
Including：
Step S181, the corresponding voice data numbering of the voice data outgoing position to getting is ranked up；
Step S182, extracts the audio frequency number of the median in the corresponding voice data numbering of the voice data outgoing position
According to numbering, and the voice data of the median is numbered as Ref. No..
In the present embodiment, after the corresponding voice data numbering of the voice data outgoing position for getting, first will
The corresponding voice data numbering of the voice data outgoing position for getting is ranked up, and then exports the voice data
The voice data numbering of the median in the corresponding voice data numbering in position is extracted, and the voice data of the median is compiled
Number as Ref. No..To realize each data output synchronization from equipment.
Further, with reference to Fig. 5, Fig. 5 for by the sound of the voice data outgoing position for sending from equipment for having connected in Fig. 3
Frequency data number is compared with Ref. No., obtains corresponding voice data difference, and will be poor for the corresponding voice data
Value send to corresponding from equipment the step of refinement schematic flow sheet.
Based on the method second embodiment of data syn-chronization between multi-track radio audio amplifier of the present invention, step S190 is permissible
Including：
Step S191, voice data numbering and the reference of the voice data outgoing position for sending from equipment for having connected are compiled
Number subtract each other, obtain corresponding voice data difference；
Step S192, if the corresponding voice data difference more than zero or is less than zero, by the corresponding audio frequency number
Send to corresponding from equipment according to difference；
Step S193, if the corresponding voice data difference is equal to zero, ignores the corresponding voice data difference.
In the present embodiment, after Ref. No. is chosen, successively will be defeated for the voice data from equipment transmission for having connected
The voice data numbering of out position is subtracted each other with Ref. No., obtains corresponding voice data difference.If the corresponding audio frequency number
More than zero or zero is less than according to difference, then described corresponding inconsistent from equipment outgoing position corresponding with Ref. No., need are described
It is adjusted, it is therefore desirable to send the corresponding voice data difference to corresponding from equipment.If the corresponding sound
Frequency data difference is equal to zero, then illustrate corresponding consistent from the corresponding equipment outgoing position of equipment and Ref. No., it is not necessary to enter
Row adjustment, therefore can ignore the null corresponding voice data difference.
The present invention further provides between a kind of multi-track radio audio amplifier data syn-chronization system, the system include master set
Standby and from equipment.
With reference to the function mould that Fig. 6, Fig. 6 are the system first embodiment of data syn-chronization between multi-track radio audio amplifier of the present invention
Block schematic diagram.
In the present embodiment, described include from equipment：
First sending module 110, for main equipment successful connection after, the voice data request of corresponding sound channel will be obtained
Send to main equipment.
In the present embodiment, described is wireless sound box from equipment, and the quantity of the wireless sound box can be two or two
More than individual；The main equipment can be intelligent television or Set Top Box etc..Can normally implement for guarantee the present embodiment, need first
By main equipment, each connects power supply from equipment, then starts shooting.And main equipment is monitored, when monitoring " main frame is in operation
In " message broadcast when, if current be not attached with main equipment from equipment, send be attached with main equipment please
Ask.After successful connection, the request for obtaining currently from the voice data of equipment correspondence sound channel is sent to main equipment.
First receiver module 120, for receiving the voice data of the corresponding sound channel of main equipment transmission, and receives described
Main equipment send acquisition put from equipment voice data current output bit and reference numeral broadcast message.
Will obtain after the request that currently corresponds to the voice data of sound channel from equipment sent to main equipment, receive come autonomous
The voice data of the corresponding sound channel of equipment, and receive obtain put from equipment voice data current output bit and reference numeral broadcast
Information.
Second sending module 130, for putting voice data current output bit and reference numeral according to the broadcast message
Send to main equipment.
Receive the acquisition that main equipment sends put from equipment voice data current output bit and reference numeral broadcast letter
During breath, according to the broadcast message, voice data current output bit is put and reference numeral is sent to main equipment.
Adjusting module 140, for receiving, the main equipment is put by voice data current output bit and reference numeral is calculated
The corresponding voice data difference for obtaining, and according to the corresponding voice data difference voice data current output bit is put into
Row adjustment.
When main equipment is put and reference numeral carries out calculating it by each voice data current output bit for sending from equipment
Afterwards, each voice data difference from equipment is obtained, and the voice data difference is sent to each from equipment.Connect from equipment
The voice data difference is received, and according to the voice data difference, current audio data outgoing position is adjusted.So as to
Each is realized from the synchronism output between equipment.
The present embodiment by with main equipment successful connection after, the voice data request that will obtain corresponding sound channel is sent to master
Equipment；The voice data of the corresponding sound channel of main equipment transmission is received, and the acquisition of main equipment transmission is received from equipment
Voice data current output bit put and reference numeral broadcast message；According to the broadcast message by voice data current output bit
Put and reference numeral is sent to main equipment；Receive the main equipment to put by voice data current output bit and reference numeral calculating
The corresponding voice data difference for obtaining, and according to the corresponding voice data difference voice data current output bit is put into
Row adjustment.By the way, first connection request is sent to main equipment, with main equipment successful connection after, will obtain right
The voice data of sound channel is answered to ask to send to main equipment；Then the voice data of the corresponding sound channel of main equipment transmission is received,
And receive the main equipment transmission acquisition put from equipment voice data current output bit and reference numeral broadcast message；By sound
Frequency is put according to current output bit and reference numeral is sent to main equipment；The main equipment is received by voice data current output bit
Put and the calculated corresponding voice data difference of reference numeral, and according to the corresponding voice data difference to audio frequency number
Put according to current output bit and be adjusted.So as to realize synchronizing output with other wireless sound boxes.
Further, with reference to the refinement high-level schematic functional block diagram that Fig. 7, Fig. 7 are adjusting module in Fig. 6.
Based on the system first embodiment of data syn-chronization between multi-track radio audio amplifier of the present invention, the adjusting module 140
Can include：
Whether judging unit 141, for judging the corresponding voice data difference less than zero or more than zero；
Insertion unit 142, if being less than zero for the corresponding voice data difference, by the corresponding voice data
Difference is inserted into during voice data current output bit puts；
Unit 143 is deleted, is more than zero for the corresponding voice data difference, then puts from voice data current output bit
Middle deletion and the corresponding voice data of the corresponding voice data difference.
In the present embodiment, when corresponding voice data difference is received, the corresponding voice data is first determined whether
Difference less than zero or is more than zero, if the corresponding voice data difference is less than zero, the playing progress rate currently from equipment is described
Slower than with reference to progress, then need the current playing progress rate from equipment plus corresponding voice data difference so that current from setting
Standby playing progress rate is consistent with reference to progress.The corresponding voice data difference is more than zero, then currently broadcasting from equipment is described
Degree of putting into ratio is slow with reference to progress, then need for the current playing progress rate from equipment to delete corresponding voice data difference so that when
The front playing progress rate from equipment is consistent with reference to progress.
Whether the present embodiment is by judging the corresponding voice data difference less than zero or more than zero；If described corresponding
Voice data difference is less than zero, then the corresponding voice data difference is inserted into during voice data current output bit puts；Institute
Corresponding voice data difference being stated more than zero, then middle deletion and the corresponding voice data is put from voice data current output bit
The corresponding voice data of difference.By the way, the sound of the audio output position of different sound channels to audio collection position is realized
Frequency is in the same size according to buffer, so as to realize the data syn-chronization between the wireless sound box of different sound channels.
Further, implement with reference to the system second that Fig. 8, Fig. 8 are data syn-chronization between multi-track radio audio amplifier of the present invention
The high-level schematic functional block diagram of example.
In the present embodiment, the main equipment includes：
Starting module 150, carries out audio data collecting, and the audio frequency number to each collection for starting audio collection module
According to being numbered；
3rd sending module 160, for being connected with request from after equipment foundation connection, will correspond to the audio frequency number of sound channel
According to transmission to successful connection from equipment；
4th sending module 170, for when successful connection reaches preset value from number of devices, obtaining from equipment sound
Frequency is put according to current output bit and the information of corresponding voice data numbering is sent to successful connection from equipment；
Module 180 is chosen, is put and corresponding for obtaining the voice data current output bit for sending from equipment for having connected
Voice data is numbered, and chooses Ref. No.；
Comparison module 190, for numbering the voice data of the voice data outgoing position for sending from equipment for having connected
It is compared with Ref. No., obtains corresponding voice data difference, and the corresponding voice data difference is sent to right
Answer from equipment.
In the present embodiment, before startup audio collection module carries out audio data collecting, main equipment is being connected electricity
Source after starting shooting, can be notified from equipment by broadcast (sites) in turn mode " main frame in operation ", the time interval of broadcast (sites) in turn
For T1.T1 can be configured according to specific audio output.Then starting audio collection module carries out audio data collecting, and
The voice data of each collection is numbered.The same time is gathered the data number of different sound channels and is unified.Then connect
Receive the connection request from equipment and be connected from equipment with send the connection request, the corresponding sound channel after being numbered
Voice data is sent to successful connection from equipment.When successful connection reaches preset value from number of devices, will obtain from setting
Standby voice data current output bit is put and the broadcast (sites) in turn of corresponding voice data numbering is sent to from equipment.The preset value
Value is more than 2, and concrete value can synchronize being configured from the quantity of equipment for output as needed.When connection
When quantity reaches preset value, need to obtain each and put from the current output bit of equipment, therefore can be by obtaining from equipment sound
Frequency is put according to current output bit and the broadcast (sites) in turn of corresponding voice data numbering is sent to successful connection from equipment.When obtaining
Get connected from equipment send voice data current output bit put and corresponding voice data numbering after, choose with reference to compile
Number.Then the voice data numbering of the voice data outgoing position for sending from equipment for having connected is compared with Ref. No.
Relatively, corresponding voice data difference is obtained, and the corresponding voice data difference is sent to corresponding from equipment.
The present embodiment carries out audio data collecting by starting audio collection module, and the voice data of each collection is entered
Line number；With request be connected from equipment set up connection after, by correspondence sound channel voice data send to successful connection from
Equipment；When successful connection reaches preset value from number of devices, put obtaining and right from equipment voice data current output bit
The information of the voice data numbering that answers is sent to successful connection from equipment；Obtain the voice data for sending from equipment for having connected
Current output bit is put and corresponding voice data numbering, and chooses Ref. No.；By the audio frequency number for sending from equipment for having connected
It is compared with Ref. No. according to the voice data numbering of outgoing position, corresponding voice data difference is obtained, and will be described right
The voice data difference that answers is sent to corresponding from equipment.By the way, starting audio collection module first carries out audio frequency
Data acquisition, and the voice data of each collection is numbered；Then receive from the connection request of equipment and described with sending
Connecting from equipment for connection request, the voice data of corresponding sound channel is sent to successful connection from equipment；When successful connection
From number of devices reach preset value when, by obtain put from equipment voice data current output bit and corresponding voice data numbering
Broadcast (sites) in turn is sent to successful connection from equipment；Obtain connected from equipment send voice data current output bit put and
After corresponding voice data numbering, Ref. No. is chosen；Again by the voice data outgoing position for sending from equipment for having connected
Voice data numbering is compared with Ref. No., obtains corresponding voice data difference, and the corresponding voice data is poor
Value is sent to corresponding from equipment.To be adjusted from equipment to outgoing position.
Further, with reference to the refinement high-level schematic functional block diagram that Fig. 9, Fig. 9 are selection module in Fig. 8.
Based on the system second embodiment of data syn-chronization between multi-track radio audio amplifier of the present invention, the selection module 180
Can include：
Sequencing unit 181, is ranked up for the corresponding voice data numbering of voice data outgoing position to getting；
Extraction unit 182, for extracting the median in the corresponding voice data numbering of the voice data outgoing position
Voice data numbering, and the voice data of the median is numbered as Ref. No..
In the present embodiment, after the corresponding voice data numbering of the voice data outgoing position for getting, first will
The corresponding voice data numbering of the voice data outgoing position for getting is ranked up, and then exports the voice data
The voice data numbering of the median in the corresponding voice data numbering in position is extracted, and the voice data of the median is compiled
Number as Ref. No..To realize each data output synchronization from equipment.
Further, with reference to the refinement high-level schematic functional block diagram that Figure 10, Figure 10 are comparison module in Fig. 8.
Based on the system second embodiment of data syn-chronization between multi-track radio audio amplifier of the present invention, the comparison module 190
Can include：
Subtract each other unit 191, for numbering the voice data of the voice data outgoing position for sending from equipment for having connected
Subtract each other with Ref. No., obtain corresponding voice data difference；
Transmitting element 192, if more than zero or being less than zero for the corresponding voice data difference, will be described corresponding
Voice data difference is sent to corresponding from equipment；
Ignoring unit 193, if zero is equal to for the corresponding voice data difference, ignores the corresponding audio frequency number
According to difference.
In the present embodiment, after Ref. No. is chosen, successively will be defeated for the voice data from equipment transmission for having connected
The voice data numbering of out position is subtracted each other with Ref. No., obtains corresponding voice data difference.If the corresponding audio frequency number
More than zero or zero is less than according to difference, then described corresponding inconsistent from equipment outgoing position corresponding with Ref. No., need are described
It is adjusted, it is therefore desirable to send the corresponding voice data difference to corresponding from equipment.If the corresponding sound
Frequency data difference is equal to zero, then illustrate corresponding consistent from the corresponding equipment outgoing position of equipment and Ref. No., it is not necessary to enter
Row adjustment, therefore can ignore the null corresponding voice data difference.
The preferred embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. between a kind of multi-track radio audio amplifier data syn-chronization method, be applied to from equipment, it is characterised in that methods described bag
Include following steps：
With main equipment successful connection after, the voice data request that will obtain corresponding sound channel is sent to main equipment；
The voice data of the corresponding sound channel of main equipment transmission is received, and the acquisition of main equipment transmission is received from equipment sound
Frequency put according to current output bit and reference numeral broadcast message；
According to the broadcast message, voice data current output bit is put and reference numeral is sent to main equipment；
Receive the main equipment to put by voice data current output bit and the calculated corresponding voice data of reference numeral
Difference, and according to the corresponding voice data difference, voice data current output bit is put and be adjusted.
2. between multi-track radio audio amplifier as claimed in claim 1 data syn-chronization method, it is characterised in that the reception institute
State main equipment to put by voice data current output bit and the calculated corresponding voice data difference of reference numeral, and according to
The corresponding voice data difference puts, to voice data current output bit, the step of being adjusted to be included：
Judge the corresponding voice data difference whether less than zero or more than zero；
If the corresponding voice data difference is less than zero, the corresponding voice data difference is inserted into voice data and is worked as
In front outgoing position；
The corresponding voice data difference is more than zero, then put middle deletion and the corresponding sound from voice data current output bit
The corresponding voice data of frequency data difference.
3. between a kind of multi-track radio audio amplifier data syn-chronization method, be applied to main equipment, it is characterised in that methods described bag
Include：
Starting audio collection module carries out audio data collecting, and the voice data of each collection is numbered；
Be connected with request set up connection from equipment after, the voice data of correspondence sound channel is sent to successful connection from setting
Standby；
When successful connection reaches preset value from number of devices, will obtain and put from equipment voice data current output bit and corresponding
Voice data numbering information send to successful connection from equipment；
Obtain the voice data current output bit for sending from equipment for having connected to put and corresponding voice data numbering, and choose ginseng
Examine numbering；
The voice data numbering of the voice data outgoing position for sending from equipment for having connected is compared with Ref. No., is obtained
Corresponding voice data difference is obtained, and the corresponding voice data difference is sent to corresponding from equipment.
4. between multi-track radio audio amplifier as claimed in claim 3 data syn-chronization method, it is characterised in that selection ginseng
The step of examining numbering includes：
The corresponding voice data numbering of voice data outgoing position to getting is ranked up；
Extract the voice data numbering of the median in the voice data outgoing position corresponding voice data numbering, and by institute
The voice data for stating median is numbered as Ref. No..
5. between multi-track radio audio amplifier as claimed in claim 3 data syn-chronization method, it is characterised in that described connected
The voice data numbering of the voice data outgoing position for sending from equipment for connecing is compared with Ref. No., obtains corresponding sound
Frequency data difference, and by the corresponding voice data difference send to corresponding from equipment the step of include：
The voice data numbering of the voice data outgoing position for sending from equipment for having connected is subtracted each other with Ref. No., it is right to obtain
The voice data difference that answers；
If the corresponding voice data difference more than zero or is less than zero, the corresponding voice data difference is sent to right
Answer from equipment；
If the corresponding voice data difference is equal to zero, ignore the corresponding voice data difference.
6. between a kind of multi-track radio audio amplifier data syn-chronization system, the system includes main equipment and from equipment, its feature
It is, described includes from equipment：
First sending module, for main equipment successful connection after, the voice data request for obtaining corresponding sound channel is sent extremely
Main equipment；
First receiver module, for receiving the voice data of the corresponding sound channel of main equipment transmission, and receives the main equipment
The acquisition of transmission put from equipment voice data current output bit and reference numeral broadcast message；
Second sending module, for putting voice data current output bit according to the broadcast message and reference numeral is sent to master
Equipment；
Adjusting module, for receiving, the main equipment is put by voice data current output bit and reference numeral is calculated right
The voice data difference that answers, and according to the corresponding voice data difference, voice data current output bit is put and be adjusted.
7. between multi-track radio audio amplifier as claimed in claim 6 data syn-chronization system, it is characterised in that the adjustment mould
Block includes：
Whether judging unit, for judging the corresponding voice data difference less than zero or more than zero；
Insertion unit, if being less than zero for the corresponding voice data difference, the corresponding voice data difference is inserted
Enter in putting to voice data current output bit；
Unit is deleted, and is more than zero for the corresponding voice data difference, then middle deletion is put from voice data current output bit
With the corresponding voice data of the corresponding voice data difference.
8. between a kind of multi-track radio audio amplifier data syn-chronization system, the system includes main equipment and from equipment, its feature
It is, the main equipment includes：
Starting module, carries out audio data collecting for starting audio collection module, and the voice data of each collection is carried out
Numbering；
3rd sending module, for being connected with request from after equipment foundation connection, the voice data that will correspond to sound channel sends
To successful connection from equipment；
4th sending module, for when successful connection reaches preset value from number of devices, obtaining from equipment voice data
Current output bit is put and the information of corresponding voice data numbering is sent to successful connection from equipment；
Module is chosen, is put and corresponding voice data for obtaining the voice data current output bit for sending from equipment for having connected
Numbering, and choose Ref. No.；
Comparison module, for compiling the voice data numbering of the voice data outgoing position for sending from equipment for having connected with reference
Number it is compared, obtains corresponding voice data difference, and the corresponding voice data difference is sent to corresponding from setting
Standby.
9. between multi-track radio audio amplifier as claimed in claim 8 data syn-chronization system, it is characterised in that the selection mould
Block includes：
Sequencing unit, is ranked up for the corresponding voice data numbering of voice data outgoing position to getting；
Extraction unit, for extracting the audio frequency number of the median in the corresponding voice data numbering of the voice data outgoing position
According to numbering, and the voice data of the median is numbered as Ref. No..
10. between multi-track radio audio amplifier as claimed in claim 8 data syn-chronization system, it is characterised in that the comparison
Module includes：
Subtract each other unit, for compiling the voice data numbering of the voice data outgoing position for sending from equipment for having connected with reference
Number subtract each other, obtain corresponding voice data difference；
Transmitting element, if more than zero or being less than zero for the corresponding voice data difference, by the corresponding audio frequency number
Send to corresponding from equipment according to difference；
Ignoring unit, if zero is equal to for the corresponding voice data difference, ignores the corresponding voice data difference.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611034167.5A CN106454635B (en) | 2016-11-16 | 2016-11-16 | Method and system for synchronizing data between multi-channel wireless sound boxes |
| PCT/CN2016/112914 WO2018090461A1 (en) | 2016-11-16 | 2016-12-29 | Method and system for synchronizing data between multichannel wireless speakers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611034167.5A CN106454635B (en) | 2016-11-16 | 2016-11-16 | Method and system for synchronizing data between multi-channel wireless sound boxes |
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| CN106454635B CN106454635B (en) | 2020-04-24 |
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Also Published As
| Publication number | Publication date |
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| WO2018090461A1 (en) | 2018-05-24 |
| CN106454635B (en) | 2020-04-24 |
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