CN109842873A - Played in stereo method based on bluetooth connection between mobile device - Google Patents
Played in stereo method based on bluetooth connection between mobile device Download PDFInfo
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- CN109842873A CN109842873A CN201910087279.4A CN201910087279A CN109842873A CN 109842873 A CN109842873 A CN 109842873A CN 201910087279 A CN201910087279 A CN 201910087279A CN 109842873 A CN109842873 A CN 109842873A
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- cell phone
- phone apparatus
- channel information
- bluetooth connection
- played
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Abstract
The invention discloses a kind of played in stereo methods based on bluetooth connection between mobile device, the following steps are included: step S10, audio-frequency information is divided into left channel information and right channel information by the first cell phone apparatus, first cell phone apparatus and the second cell phone apparatus establish bluetooth connection, first cell phone apparatus and third cell phone apparatus establish bluetooth connection, and the first cell phone apparatus is played out based on audio-frequency information；Step S20, the second cell phone apparatus are played out based on left channel information, and third cell phone apparatus is played out based on right channel information；Step S30, after the bluetooth connection of the first cell phone apparatus and the second cell phone apparatus disconnects, left channel information and right channel information are overlapped and are played out by third cell phone apparatus.Realize low cost, the three-dimensional broadcast mode that space occupied is small, easy to operate.
Description
Technical field
The invention belongs to bluetooth play-back technology field more particularly to it is a kind of based between mobile device bluetooth connection it is stereo
Playback method.
Background technique
Currently, realize that the mode of played in stereo is few after all, it is most of to require to go to realize by bluetooth solid sound box, than
Such as the huge speaker of at least two, such as concert mode, but this mode needs very big space occupied, and at high cost.It is this vertical
Body broadcast mode is also not suitable for small-sized party, such as with regard to 4-5 people, thinks to realize played in stereo on the spot, therefore, is badly in need of one kind
Played in stereo method at low cost, space occupied is few.
Therefore, the prior art is to be improved.
Summary of the invention
It is a primary object of the present invention to propose a kind of played in stereo method based on bluetooth connection between mobile device, with
The technical issues of solving mentioned in background technique, to reach at low cost, easy to operate technical effect.
A kind of played in stereo method based on bluetooth connection between mobile device of the invention, comprising the following steps:
Audio-frequency information is divided into left channel information and right channel information by step S10, the first cell phone apparatus, the first cell phone apparatus with
Second cell phone apparatus establishes bluetooth connection, and the first cell phone apparatus and third cell phone apparatus establish bluetooth connection, the first cell phone apparatus
Left channel information and right channel information are sent on the second cell phone apparatus and third cell phone apparatus, the first cell phone apparatus is based on
Audio-frequency information plays out；
Step S20, the second cell phone apparatus are played out based on left channel information, and third cell phone apparatus is carried out based on right channel information
It plays；
Step S30, after the bluetooth connection of the first cell phone apparatus and the second cell phone apparatus disconnects, the first cell phone apparatus sends urgent
To third cell phone apparatus, left channel information and right channel information are overlapped and are played out by third cell phone apparatus for instruction.
Preferably, the first cell phone apparatus and the second cell phone apparatus establish bluetooth connection comprising steps of
Step S15, the first cell phone apparatus obtains the characteristic information of the version of the Bluetooth protocol of the second cell phone apparatus, according to the spy
Reference breath determines required connection version；
Step S16, the first cell phone apparatus are connected to second cell phone apparatus using the connection version.
Preferably, in step slo, the first cell phone apparatus is reached an agreement on by A2DP left channel information being sent to the second mobile phone
Equipment, the first cell phone apparatus are reached an agreement on by A2DP right channel information being sent to third cell phone apparatus.
Preferably, the first cell phone apparatus audio-frequency information is divided into left channel information and right channel information comprising steps of
Step S11, the first cell phone apparatus carries out initialization stereo audio to audio-frequency information and stereo audio decodes；It is first-hand
Audio-frequency information is separated into the first channel information and second sound channel information by machine equipment；
Step S12, the first cell phone apparatus carry out monophonic audio coding, shape to the first channel information and second sound channel information respectively
At left channel information and right channel information.
Preferably, the monophonic audio coding carries out audio coding using Opus format.
Preferably, it includes step that the first cell phone apparatus, which obtains the characteristic information of the version of the Bluetooth protocol of the second cell phone apparatus,
It is rapid:
The first version that second cell phone apparatus reports in advance is determined as described by step S151, first cell phone apparatus
The version of two cell phone apparatus；
Step S152, first cell phone apparatus obtain second mobile phone to required parameter according to the default of the first version
The fisrt feature information of equipment.
Played in stereo method based on bluetooth connection between mobile device of the invention, is particularly suitable for small-sized party, than
Such as 3-4 people, have the advantages that
1, pass through three cell phone apparatus, so that it may realize that bluetooth solid plays, low in cost, space occupied is small.
2, what is utilized is bluetooth connection, and the setting based on step S30, is realized when connectivity problem occurs in bluetooth, temporarily
Remedial measure avoids because of influence of the bluetooth connection for three-dimensional play sound effect.
Detailed description of the invention
Fig. 1 is that the present invention is based on the processes of first embodiment in the played in stereo method of bluetooth connection between mobile device to show
It is intended to；
Fig. 2 is that the present invention is based on the first refinement streams in first embodiment in the played in stereo method of bluetooth connection between mobile device
Journey schematic diagram；
Fig. 3 is that the present invention is based on the second refinement streams in first embodiment in the played in stereo method of bluetooth connection between mobile device
Journey schematic diagram；
Fig. 4 is that the present invention is based on third refinement streams in first embodiment in the played in stereo method of bluetooth connection between mobile device
Journey schematic diagram；
Fig. 5 is that the present invention is based on the companies of the bluetooth between each cell phone apparatus in the played in stereo method of bluetooth connection between mobile device
Connect schematic diagram.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
It should be noted that relational language such as " first ", " second " can be used for describing various assemblies, but these arts
Language is not intended to limit the component.These terms are only used to distinguish a component and another component.For example, not departing from model of the invention
It encloses, first assembly can be referred to as the second component, and the second component can also similarly be referred to as first assembly.Term " and/
Or " refer to continuous item and describe the combination of any one or more of item.
As shown in Figure 1, a kind of played in stereo method based on bluetooth connection between mobile device of the invention, including it is following
Step:
Audio-frequency information is divided into left channel information and right channel information by step S10, the first cell phone apparatus, the first cell phone apparatus with
Second cell phone apparatus establishes bluetooth connection, and the first cell phone apparatus and third cell phone apparatus establish bluetooth connection, the first cell phone apparatus
Left channel information and right channel information are sent on the second cell phone apparatus and third cell phone apparatus, the first cell phone apparatus is based on
Audio-frequency information plays out；
Step S20, the second cell phone apparatus are played out based on left channel information, and third cell phone apparatus is carried out based on right channel information
It plays；
Step S30, after the bluetooth connection of the first cell phone apparatus and the second cell phone apparatus disconnects, the first cell phone apparatus sends urgent
To third cell phone apparatus, left channel information and right channel information are overlapped and are played out by third cell phone apparatus for instruction.This
The played in stereo method based on bluetooth connection between mobile device of invention, is particularly suitable for small-sized party, such as 3-4 people, has
Have it is following the utility model has the advantages that 1, by three cell phone apparatus, so that it may realize that bluetooth solid plays, low in cost, space occupied is small.
2, what is utilized is bluetooth connection, and the setting based on step S30, is realized when connectivity problem occurs in bluetooth, interim remedial measure,
It avoids because of influence of the bluetooth connection for three-dimensional play sound effect.It should be noted that for the first cell phone apparatus, in addition to hand
Machine can be IPAD.For the second cell phone apparatus, third cell phone apparatus, similarly；But the first cell phone apparatus, the second mobile phone
Equipment and third cell phone apparatus are not bluetooth headset.Wherein, for the superposition of left channel information and right channel information, comprising:
The frame data of left channel information under time domain and right channel information are subjected to overlap-add, obtain corresponding first left overlapping sound respectively
Message breath and the first right overlapping acoustic information.
As shown in Figure 2, it is preferable that the first cell phone apparatus and the second cell phone apparatus establish bluetooth connection comprising steps of
Step S15, the first cell phone apparatus obtains the characteristic information of the version of the Bluetooth protocol of the second cell phone apparatus, according to the spy
Reference breath determines required connection version；
Step S16, the first cell phone apparatus are connected to second cell phone apparatus using the connection version.
This preferred embodiment is arranged based on step S15, S16, solves in the related technology since versions are more, and point
The problem of bluetooth connection process complexity between equipment caused by not being updated, is determining the second cell phone apparatus, third mobile phone
After the versions of equipment, the first cell phone apparatus is attached using corresponding version, ensure that the stability of bluetooth connection.
Preferably, in step slo, the first cell phone apparatus is reached an agreement on by A2DP left channel information being sent to the second mobile phone
Equipment, the first cell phone apparatus are reached an agreement on by A2DP right channel information being sent to third cell phone apparatus.
As shown in figure 3, the first cell phone apparatus audio-frequency information is divided into left channel information and right channel information comprising steps of
Step S11, the first cell phone apparatus carries out initialization stereo audio to audio-frequency information and stereo audio decodes；It is first-hand
Audio-frequency information is separated into the first channel information and second sound channel information by machine equipment；
Step S12, the first cell phone apparatus carry out monophonic audio coding, shape to the first channel information and second sound channel information respectively
At left channel information and right channel information.
This preferred embodiment is arranged based on step S11, step S12, realizes and divides audio-frequency information to form L channel letter
Breath and right channel information；Based on monophonic audio coding, reduce the data volume transmitted required for the first mobile device, to subtract
Lacked power consumption, and increase can number of retransmissions, to improve the reliability of data transmission.Preferably, the monophonic audio
Coding carries out audio coding using Opus format.
As shown in Figure 4, it is preferable that the first cell phone apparatus obtains the feature letter of the version of the Bluetooth protocol of the second cell phone apparatus
Breath comprising steps of
The first version that second cell phone apparatus reports in advance is determined as described by step S151, first cell phone apparatus
The version of two cell phone apparatus；Step S152, first cell phone apparatus are obtained according to the default of the first version to required parameter
Take the fisrt feature information of second cell phone apparatus.
It should be noted that i.e. the second cell phone apparatus is before proceeding, it is notified that itself Bluetooth protocol of the first cell phone apparatus
Version, the first cell phone apparatus goes acquisition the according to the version template (include the version corresponding default to required parameter) reported
The characteristic information of the Bluetooth protocol of two cell phone apparatus, after acquisition if with report before version Standard Edition cannot
Match, then illustrate second cell phone apparatus report information it is wrong (i.e. the Bluetooth protocol of producer do not pass through national standard certification, accidentally
Itself version number is reported).It then needs the first cell phone apparatus to be turned up or turn down the template of Bluetooth protocol this moment, is gone according to new template
The characteristic information of the second cell phone apparatus is obtained, is then matched using the characteristic information of the Standard Edition of new version, if can
With matching, it is determined that the bluetooth protocol version of the second cell phone apparatus.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, computer, clothes
Business device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (6)
1. a kind of played in stereo method based on bluetooth connection between mobile device, which comprises the following steps:
Audio-frequency information is divided into left channel information and right channel information by step S10, the first cell phone apparatus, the first cell phone apparatus with
Second cell phone apparatus establishes bluetooth connection, and the first cell phone apparatus and third cell phone apparatus establish bluetooth connection, the first cell phone apparatus
Left channel information and right channel information are sent on the second cell phone apparatus and third cell phone apparatus, the first cell phone apparatus is based on
Audio-frequency information plays out；
Step S20, the second cell phone apparatus are played out based on left channel information, and third cell phone apparatus is carried out based on right channel information
It plays；
Step S30, after the bluetooth connection of the first cell phone apparatus and the second cell phone apparatus disconnects, the first cell phone apparatus sends urgent
To third cell phone apparatus, left channel information and right channel information are overlapped and are played out by third cell phone apparatus for instruction.
2. as described in claim 1 based on the played in stereo method of bluetooth connection between mobile device, which is characterized in that first-hand
Machine equipment and the second cell phone apparatus establish bluetooth connection comprising steps of
Step S15, the first cell phone apparatus obtains the characteristic information of the version of the Bluetooth protocol of the second cell phone apparatus, according to the spy
Reference breath determines required connection version；
Step S16, the first cell phone apparatus are connected to second cell phone apparatus using the connection version.
3. as described in claim 1 based on the played in stereo method of bluetooth connection between mobile device, which is characterized in that in step
In S10, the first cell phone apparatus is reached an agreement on by A2DP left channel information being sent to the second cell phone apparatus, and the first cell phone apparatus passes through
Right channel information is sent to third cell phone apparatus by A2DP agreement.
4. as described in claim 1 based on the played in stereo method of bluetooth connection between mobile device, which is characterized in that first-hand
Machine equipment audio-frequency information is divided into left channel information and right channel information comprising steps of
Step S11, the first cell phone apparatus carries out initialization stereo audio to audio-frequency information and stereo audio decodes；It is first-hand
Audio-frequency information is separated into the first channel information and second sound channel information by machine equipment；
Step S12, the first cell phone apparatus carry out monophonic audio coding, shape to the first channel information and second sound channel information respectively
At left channel information and right channel information.
5. as claimed in claim 4 based on the played in stereo method of bluetooth connection between mobile device, which is characterized in that the list
Channel audio coding carries out audio coding using Opus format.
6. as claimed in claim 2 based on the played in stereo method of bluetooth connection between mobile device, which is characterized in that first-hand
Machine equipment obtain the second cell phone apparatus Bluetooth protocol version characteristic information comprising steps of
The first version that second cell phone apparatus reports in advance is determined as described by step S151, first cell phone apparatus
The version of two cell phone apparatus；
Step S152, first cell phone apparatus obtain second mobile phone to required parameter according to the default of the first version
The fisrt feature information of equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910087279.4A CN109842873A (en) | 2019-01-29 | 2019-01-29 | Played in stereo method based on bluetooth connection between mobile device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910087279.4A CN109842873A (en) | 2019-01-29 | 2019-01-29 | Played in stereo method based on bluetooth connection between mobile device |
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Cited By (1)
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| WO2021190430A1 (en) * | 2020-03-27 | 2021-09-30 | 无锡中感微电子股份有限公司 | Audio data transmission method, system, and device |
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