CN107205192A - A kind of audio frequency playing method of ears wireless headset and ears wireless headset - Google Patents
A kind of audio frequency playing method of ears wireless headset and ears wireless headset Download PDFInfo
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- CN107205192A CN107205192A CN201710631174.1A CN201710631174A CN107205192A CN 107205192 A CN107205192 A CN 107205192A CN 201710631174 A CN201710631174 A CN 201710631174A CN 107205192 A CN107205192 A CN 107205192A
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- earphone
- wireless headset
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- audio
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
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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
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/03—Connection circuits to selectively connect loudspeakers or headphones to amplifiers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
- Circuit For Audible Band Transducer (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention discloses a kind of ears wireless headset and the audio frequency playing method of ears wireless headset, main earphone by wireless communication module receive audio frequency apparatus transmission come voice data, then main earphone is sent the voice data after coding to from earphone by NFMI, make winner's earphone and from earphone playing audio-fequency data simultaneously, solve that the technical difficulty that causes the application of RF as ears bluetooth earphone is big, radiation hazradial bundle and the big technical problem of transmission power consumption may be caused to human body.Present invention method includes：Main earphone, from earphone, be arranged on the main earphone in wireless communication module；The main earphone is connected by the wireless communication module with audio frequency apparatus；The main earphone is connected by NFMI with described from earphone.
Description
Technical field
The present invention relates to the sound in radio earphone field, more particularly to a kind of ears wireless headset and ears wireless headset
Frequency player method.
Background technology
It is a kind of Radio Transmission Technology that signal data transmission is carried out using electromagnetic wave to be wirelessly transferred, with wireless technology
Growing, applications of wireless technology is more and more extensive, including most common WIFI, intercom, bluetooth earphone.
At present, existing ears Bluetooth wireless earphone (TWS) application is to be operated in Bluetooth wireless transmission carrier wave frequency range 2.4G,
RF technology transmission powers are between 2.5mW-6.25mW, and transmission rate is about between 180-250kbps, it is meant that RF transmission
Power consumption is big, research has shown that, human body absorbs high to RF, and RF can not almost pass through human body so that RF is used as ears bluetooth earphone
Application technology is difficult big, thereby increases and it is possible to cause radiation hazradial bundle to human body.
The content of the invention
The embodiments of the invention provide a kind of ears wireless headset and the audio frequency playing method of ears wireless headset, main earphone
By wireless communication module receive audio frequency apparatus transmission come voice data, then main earphone by NFMI by the audio after coding
Data are sent to from earphone so that main earphone and from earphone playing audio-fequency data simultaneously, are solved and are regard RF as ears bluetooth ear
Technical difficulty that the application of machine is caused is big, radiation hazradial bundle and the big technical problem of transmission power consumption may be caused to human body.
The embodiments of the invention provide a kind of ears wireless headset, including：Main earphone, from earphone, be arranged on the main ear
Wireless communication module in machine；
The main earphone is connected by the wireless communication module with audio frequency apparatus；
The main earphone is connected by NFMI with described from earphone.
Preferably,
The main earphone also includes the first codified processor, the first coding and decoding module, the first audio player；
The wireless communication module is connected with the first codified processor communication；
The first codified processor is connected by NFMI with described from earphone, and with the first coding and decoding module
Communication connection；
The first coding and decoding module is communicated to connect with first audio player.
Preferably,
It is described to include the second codified processor, the second coding and decoding module, the second audio player from earphone；
The second codified processor is connected by NFMI with the first codified processor, and is compiled with described second
Code decoder module communication connection；
The second coding and decoding module is communicated to connect with second audio player.
Preferably,
The first codified processor is NXH2280 chips.
Preferably,
The second codified processor is also NXH2280 chips.
Preferably,
The wireless communication module is bluetooth module.
The embodiments of the invention provide a kind of audio frequency playing method of ears wireless headset, including：
Main earphone receives the two-way audio data that audio frequency apparatus transmission comes；
The main earphone will be sent extremely from earphone by NFMI after the audio data coding so that the main earphone and institute
State from earphone while playing audio data.
Preferably,
The main earphone will be sent extremely from earphone by NFMI after the audio data coding so that the main earphone and institute
State from earphone while playing audio data is specifically included：
The main earphone makees delay process to the voice data, is then I2S audio numbers by the audio data coding
Sent according to form and by NFMI to described from earphone, treat the audio that I2S voice data forms are received from earphone
After data, the main earphone and it is described from earphone simultaneously playing audio data.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
1st, the embodiments of the invention provide a kind of ears wireless headset and the audio frequency playing method of ears wireless headset, main ear
Machine by wireless communication module receive audio frequency apparatus transmission come voice data, main earphone is by NFMI by the audio number after coding
According to sending to from earphone so that main earphone and from earphone playing audio-fequency data simultaneously, main earphone and from using NFMI between earphone
Communication mode replace RF and traditional Bluetooth transmission mode because NFMI is low in energy consumption, transmission range is short, can penetrate human body group
Knit and to human body almost without radiation injury, realize between the long-time continuation of the journey of ears wireless headset and two earphones without interrupted
Connection, and make it that connection is more reliable, Consumer's Experience more preferably, solves the technology for causing the application of RF as ears bluetooth earphone
Difficulty is big, radiation hazradial bundle and the big technical problem of transmission power consumption may be caused to human body.
2nd, the embodiments of the invention provide a kind of ears wireless headset and the audio frequency playing method of ears wireless headset, main ear
Machine and from the codified processor in earphone use NXH2280 chips, by NXH2280 chips to the audio number in main earphone
According to delay process, time delay is preferably minimized, the synchronous design of binaural audio is realized.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of structural representation of one embodiment of ears wireless headset provided in an embodiment of the present invention；
Fig. 2 is a kind of flow of the first embodiment of the audio frequency playing method of ear wireless headset provided in an embodiment of the present invention
Schematic diagram；
Fig. 3 is a kind of flow of the second embodiment of the audio frequency playing method of ear wireless headset provided in an embodiment of the present invention
Schematic diagram；
Fig. 4 is that NFMI schemes with RF technical transmissions distance with efficiency comparative；
Fig. 5 is that human body absorbs comparison diagram to NFMI and RF；
Fig. 6 is NFMI and RF interference environment comparison diagram.
Embodiment
The embodiments of the invention provide a kind of ears wireless headset and the audio frequency playing method of ears wireless headset, main earphone
1 by wireless communication module receive audio frequency apparatus 3 transmission come voice data, then main earphone 1 by NFMI by after coding
Voice data is sent to from earphone 2 so that main earphone 1 and from the playing audio-fequency data simultaneously of earphone 2, is solved and is regard RF as ears
Technical difficulty that the application of bluetooth earphone is caused is big, radiation hazradial bundle and the big technology of transmission power consumption may be caused to ask to human body
Topic.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of embodiment of the invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
Fig. 1, Fig. 4 are referred to Fig. 6, the embodiments of the invention provide a kind of one embodiment of ears wireless headset, bag
Include：Main earphone 1, from earphone 2, the wireless communication module 11 being arranged in main earphone 1, main earphone 1 passes through wireless communication module 11
It is connected with audio frequency apparatus 3, main earphone 1 is connected by NFMI with from earphone 2；It is understood that main earphone 1 passes through radio communication
Module 11 receives the voice data of audio frequency apparatus 3, and voice data is sent to from earphone 2 by NFMI, completes the main He of earphone 1
Played from the audio of earphone 2；
It should be noted that the advantage that NFMI is applied to earpiece audio playback equipment has at 3 points；First, as shown in figure 1,
NFMI power consumptions are ultralow, and transmission power is only 1.6Mw, and transmission rate is more suitable for minimizing the continuous of wireless headset up to 596kbps
ETS estimated time of sailing；Second, as shown in Fig. 2 NFMI is operated under 10MHz~14MHz carrier frequency, tissue can be penetrated, to people
Body more meets the usage scenario of wireless binaural ear speaker device almost without radiation injury；3rd, as shown in figure 3, NFMI transmission distance
Small by external disturbance from short, ears wireless headset is an entirety.
Main earphone 1 also includes the first codified processor 12, the first coding and decoding module 13, the first audio player 14；
Wireless communication module 11 is communicated to connect with the first codified processor 12, and connected mode is preferably by I2S link connections；First
Codified processor 12 is connected by NFMI with from earphone 2, and is communicated to connect with the first coding and decoding module 13, the first codified
The communication connection mode of the coding and decoding module 13 of processor 12 and first is preferably by I2S link connections；First coding and decoding
Module 13 is communicated to connect with the first audio player 14, and connected mode is preferably by I2S link connections.
Include the second codified processor 21, the second coding and decoding module 22, the second audio player 23 from earphone 2；The
Two codified processors 21 are connected by NFMI with the first codified processor 12, and with the communication link of the second coding and decoding module 22
Connect, the communication connection mode of the second codified processor 21 and the second coding and decoding module 22 is preferably by I2S link connections；
Second coding and decoding module 22 is communicated to connect with the second audio player 23, and connected mode is preferably by I2S link connections.
Wherein the first codified processor 12 and the second codified processor 21 are both preferably NXH2280 chips, because
NXH2280 chips possess super low-power consumption, and an integrated high-performance - M0 control system, a magnetic
Sense (MI) transmitter, a voice data road strength and a power management subsystem.NXH2280 chips are based on high-performance - M4 kernels, and carry- M0+ coprocessors, are a double-core low-power chips.Wherein
NXH2280 magnetic induction transceiver, its transmission rate is up to 596kbps, and carrier frequency is 10.579MHz, the humorous line of internal adjustable
Resonance is enclosed, low delay ear is optimized and is communicated to ear.NXH2280 audio transmission link is transmitted by I2S COBBAIFs, support pair
Multiple audio sampling frequencies can arrive 48KHz, and internal mac accelerates to magnetic induction transmitter, the integrated delay control of internal 2 RX passages
Device processed and adaptively sampled rate converter, using Programmable DSPs.NXH2280 chips have a variety of Peripheral Interfaces, including
UART/I2C/SPI/I2S etc..
Wireless communication module 11 can be bluetooth module, and when wireless communication module 11 is bluetooth module, the present invention is implemented
The ears wireless headset that example is provided is ears wireless Bluetooth headsets.
In embodiments of the present invention, main earphone 1 first can by bluetooth module receive audio frequency apparatus 3 transmission come audio
Data, are then converted into I2S data formats, then the NXH2280 chips by I2S link transmissions to main earphone by voice data,
NXH2280 chips do appropriate delay to the voice data of main earphone, and wherein delay duration can be calculated by actual test
Arrive, while by audio data coding for G.722, and be sent to by NFMI from earphone 2；Then from the NXH2280 chips of earphone 2
The voice data being encoded to G.722 can be received by NFMI and I2S data formats are decoded as, now, delay terminates, main earphone
1 NXH2280 chips and NXH2280 chips from earphone 2 simultaneously by voice data by I2S link transmissions to the first coding solution
The code coding and decoding module 22 of module 13 and second, the last audio player 23 of first audio player 14 and second plays the respectively
One coding and decoding module 13 and the second coding and decoding module 22 decode the voice data come, realize ears radio play sound
Frequently.
Referring to Fig. 2, the embodiments of the invention provide a kind of implementation of the first of audio frequency playing method of ears wireless headset
Example, including：
101, main earphone receives the voice data that audio frequency apparatus transmission comes.
102, main earphone will be sent to from earphone by NFMI after audio data coding so that main earphone and from earphone simultaneously
Playing audio-fequency data.
In embodiments of the present invention, then main earphone passes through firstly the need of the voice data that audio frequency apparatus transmission comes is received
NFMI will be sent to from earphone after audio data coding so that main earphone and from earphone playing audio-fequency data simultaneously.
Referring to Fig. 3, the embodiments of the invention provide a kind of implementation of the second of audio frequency playing method of ears wireless headset
Example, including：
201, main earphone receives the voice data that audio frequency apparatus transmission comes.
202, main earphone makees delay process to voice data, then by audio data coding be I2S voice datas form simultaneously
Sent by NFMI to from earphone, after after the voice data for receiving I2S voice data forms from earphone, main earphone and from earphone
While playing audio-fequency data.
In embodiments of the present invention, main earphone is firstly the need of the voice data that audio frequency apparatus transmission comes is received, then to sound
Then audio data coding is sent to from earphone for I2S voice datas form and by NFMI, treated according to delay process is made by frequency
After the voice data for receiving I2S voice data forms from earphone, main earphone and from earphone simultaneously playing audio-fequency data.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, such as multiple units or component
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The coupling each other discussed or direct-coupling or communication connection can be the indirect couplings of device or unit by some interfaces
Close or communicate to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized using in the form of SFU software functional unit and as independent production marketing or used
When, it can be stored in a computer read/write memory medium.Understood based on such, technical scheme is substantially
The part contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are to cause a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment methods described of the invention
Portion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a kind of ears wireless headset, it is characterised in that including：Main earphone, from earphone, be arranged on the main earphone in it is wireless
Communication module；
The main earphone is connected by the wireless communication module with audio frequency apparatus；
The main earphone is connected by NFMI with described from earphone.
2. ears wireless headset according to claim 1, it is characterised in that the main earphone also includes at the first codified
Manage device, the first coding and decoding module, the first audio player；
The wireless communication module is connected with the first codified processor communication；
The first codified processor is connected by NFMI with described from earphone, and is communicated with the first coding and decoding module
Connection；
The first coding and decoding module is communicated to connect with first audio player.
3. ears wireless headset according to claim 2, it is characterised in that described to include the processing of the second codified from earphone
Device, the second coding and decoding module, the second audio player；
The second codified processor is connected by NFMI with the first codified processor, and is solved with the described second coding
Code module communication connection；
The second coding and decoding module is communicated to connect with second audio player.
4. ears wireless headset according to claim 3, it is characterised in that the first codified processor is
NXH2280 chips.
5. ears wireless headset according to claim 3, it is characterised in that the second codified processor is also
NXH2280 chips.
6. ears wireless headset according to claim 1, it is characterised in that the wireless communication module is bluetooth module.
7. a kind of audio frequency playing method of ears wireless headset, it is characterised in that including：
Main earphone receives the voice data that audio frequency apparatus transmission comes；
The main earphone will be sent to from earphone by NFMI after the audio data coding so that the main earphone and it is described from
Earphone is while playing audio data.
8. the audio frequency playing method of ears wireless headset according to claim 7, it is characterised in that the main earphone passes through
NFMI will be sent to from earphone after the audio data coding so that the main earphone and described play the sound simultaneously from earphone
Frequency evidence is specifically included：
The main earphone makees delay process to the voice data, is then I2S voice data lattice by the audio data coding
Formula is simultaneously sent to described from earphone by NFMI, treats the voice data that I2S voice data forms are received from earphone
Afterwards, the main earphone and it is described from earphone simultaneously playing audio data.
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| CN201710631174.1A CN107205192B (en) | 2017-07-28 | 2017-07-28 | A kind of audio frequency playing method of ears wireless headset and ears wireless headset |
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| CN107819922A (en) * | 2017-10-09 | 2018-03-20 | 维沃移动通信有限公司 | Relaying method of adjustment, wireless headset and the mobile terminal of a kind of wireless headset |
| CN108347663A (en) * | 2018-02-08 | 2018-07-31 | 深圳市沃特沃德股份有限公司 | The control method and wireless audio devices of separated wireless audio frequency apparatus |
| CN108566684A (en) * | 2018-07-02 | 2018-09-21 | Oppo广东移动通信有限公司 | Communicate to connect method for building up and relevant device |
| CN108702651A (en) * | 2017-11-09 | 2018-10-23 | 深圳市汇顶科技股份有限公司 | The wireless data transmission of balance |
| CN108901080A (en) * | 2018-07-02 | 2018-11-27 | Oppo广东移动通信有限公司 | Communicate to connect method for building up and relevant device |
| CN108934083A (en) * | 2018-07-02 | 2018-12-04 | Oppo广东移动通信有限公司 | Communicate to connect method for building up and relevant device |
| CN109165390A (en) * | 2018-07-25 | 2019-01-08 | 中译语通科技（青岛）有限公司 | A kind of translation system for supporting TWS bluetooth headset |
| CN109243473A (en) * | 2018-10-26 | 2019-01-18 | 南京中感微电子有限公司 | A kind of voice data communication method and helmet |
| WO2019090539A1 (en) * | 2017-11-08 | 2019-05-16 | 深圳市沃特沃德股份有限公司 | Method and device for automatically switching master-and-slave relationship of wireless earphones and wireless earphones |
| CN111132377A (en) * | 2019-12-27 | 2020-05-08 | 昱兆微电子科技(上海)有限公司 | Data transmission method and system for terminal and earphone |
| US10721689B2 (en) | 2017-11-09 | 2020-07-21 | Shenzhen GOODIX Technology Co., Ltd. | Balanced wireless data transmission |
| CN111885554A (en) * | 2020-04-24 | 2020-11-03 | 珠海市杰理科技股份有限公司 | Link switching method based on double-wireless Bluetooth communication and related equipment |
| CN112188362A (en) * | 2020-09-29 | 2021-01-05 | 歌尔科技有限公司 | Playing method, device and computer readable storage medium |
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| CN115866803A (en) * | 2023-03-03 | 2023-03-28 | 深圳市迈斯高科技有限公司 | Method and device for transmitting audio information by using wireless earphone |
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| CN108901080A (en) * | 2018-07-02 | 2018-11-27 | Oppo广东移动通信有限公司 | Communicate to connect method for building up and relevant device |
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