CN107205192B - 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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- CN107205192B CN107205192B CN201710631174.1A CN201710631174A CN107205192B CN 107205192 B CN107205192 B CN 107205192B CN 201710631174 A CN201710631174 A CN 201710631174A CN 107205192 B CN107205192 B CN 107205192B
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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
-
- 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)
- Mobile Radio Communication Systems (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The embodiment of the invention discloses a kind of ears wireless headset and the audio frequency playing methods of ears wireless headset, module receives the audio data that audio frequency apparatus transmitting comes to main earphone by wireless communication, then the audio data after coding is sent to from earphone by main earphone by NFMI, make winner's earphone and from earphone playing audio-fequency data simultaneously, solve it is big using RF as technical difficulty caused by the application of ears bluetooth headset, radiation hazradial bundle and the big technical problem of transmission power consumption may be caused to human body.The method comprise the steps that main earphone, from earphone, the wireless communication module being arranged in the main earphone；The main earphone is connect by the wireless communication module with audio frequency apparatus；The main earphone is connect with described from earphone by NFMI.
Description
Technical field
The present invention relates to radio earphone field more particularly to the sounds of a kind of ears wireless headset and ears wireless headset
Frequency playback method.
Background technique
Wireless transmission is that a kind of Radio Transmission Technology of signal data transmission is carried out using electromagnetic wave, with wireless technology
Increasingly developed, applications of wireless technology is more and more extensive, including the most common WIFI, intercom, bluetooth headset.
Currently, the application of existing ears Bluetooth wireless earphone (TWS) is work in Bluetooth wireless transmission carrier wave frequency range 2.4G,
RF technology transmission power is 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 height to RF, and RF can not almost pass through human body, so that RF is as ears bluetooth headset
Application technology is difficult big, thereby increases and it is possible to cause radiation hazradial bundle to human body.
Summary of the invention
The embodiment of the invention provides a kind of ears wireless headset and the audio frequency playing method of ears wireless headset, main earphones
Module receives the audio data that audio frequency apparatus transmitting comes by wireless communication, and then main earphone passes through NFMI for the audio after coding
Data are sent to from earphone, make winner's earphone and from earphone while playing audio-fequency data, solve using RF as ears bluetooth ear
Technical difficulty is big caused by the application of machine, radiation hazradial bundle may be caused to human body and transmits the big technical problem of power consumption.
The embodiment of the invention provides a kind of ears wireless headsets, comprising: main earphone, from earphone, be arranged in the main ear
Wireless communication module in machine；
The main earphone is connect by the wireless communication module with audio frequency apparatus；
The main earphone is connect with described from earphone by NFMI.
Preferably,
The main earphone further includes the first codified processor, the first coding and decoding module, the first audio player；
The wireless communication module is connect with the first codified processor communication；
The first codified processor is connect by NFMI from earphone with described, and with the first coding and decoding module
Communication connection；
The first coding and decoding module and first audio player communicate to connect.
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 connect by NFMI with the first codified processor, and is compiled with described second
Code decoder module communication connection；
The second coding and decoding module and second audio player communicate to connect.
Preferably,
The first codified processor is NXH2280 chip.
Preferably,
The second codified processor is also NXH2280 chip.
Preferably,
The wireless communication module is bluetooth module.
The embodiment of the invention provides a kind of audio frequency playing methods of ears wireless headset, comprising:
Main earphone receives the two-way audio data that audio frequency apparatus transmitting comes；
The main earphone will be sent to after the audio data coding from earphone by NFMI, so that the main earphone and institute
It states from earphone while playing audio data.
Preferably,
The main earphone will be sent to after the audio data coding from earphone by NFMI, so that the main earphone and institute
It states from earphone while playing audio data specifically includes:
The main earphone makees delay process to the audio data, is then I2S audio number by the audio data coding
Be sent to according to format and by NFMI it is described from earphone, to the audio for receiving I2S audio data format 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 the advantage that
1, the embodiment of the invention provides a kind of ears wireless headset and the audio frequency playing method of ears wireless headset, main ears
Module receives the audio data that audio frequency apparatus transmitting comes to machine by wireless communication, and main earphone passes through NFMI for the audio number after coding
According to being sent to from earphone, make winner's earphone and from earphone simultaneously playing audio-fequency data, main earphone and between earphone use NFMI
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
It knits and to human body almost without radiation injury, the nothing realized between the long-time continuation of the journey of ears wireless headset and two earphones is interrupted
Connection, and to connect more reliable, user experience more preferably, is solved using RF as the ears bluetooth headsets technology caused by
Difficulty is big, radiation hazradial bundle may be caused to human body and transmits the big technical problem of power consumption.
2, the embodiment of the invention provides a kind of ears wireless headset and the audio frequency playing method of ears wireless headset, main ears
Machine and it is all made of NXH2280 chip from the codified processor in earphone, by NXH2280 chip to the audio number in main earphone
According to delay process, time delay is preferably minimized, realizes the synchronous design of binaural audio.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of one embodiment of ears wireless headset provided in an embodiment of the present invention；
Fig. 2 is a kind of process 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 process 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 and RF technical transmission distance are schemed with efficiency comparative；
Fig. 5 is that human body absorbs comparison diagram to NFMI and RF；
Fig. 6 is the interference environment comparison diagram of NFMI and RF.
Specific embodiment
The embodiment of the invention provides a kind of ears wireless headset and the audio frequency playing method of ears wireless headset, main earphones
1 audio data that the transmitting of module reception audio frequency apparatus 3 comes by wireless communication, then main earphone 1 will be after coding by NFMI
Audio data is sent to from earphone 2, makes winner's earphone 1 and from earphone 2 while playing audio-fequency data, solves using RF as ears
Technical difficulty is big caused by the application of bluetooth headset, radiation hazradial bundle may be caused to human body and transmits the big technology of power consumption asks
Topic.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Fig. 1, fig. 4 to fig. 6 are please referred to, the embodiment of the invention provides a kind of one embodiment of ears wireless headset, packets
It includes: main earphone 1, from earphone 2, the wireless communication module 11 being arranged in main earphone 1, main earphone 1 module 11 by wireless communication
It is connect with audio frequency apparatus 3, main earphone 1 is connect by NFMI with from earphone 2；It is understood that main earphone 1 is by wireless communication
Module 11 receives the audio data of audio frequency apparatus 3, and audio data is sent to by NFMI from earphone 2, completes main 1 He of earphone
It is played from the audio of earphone 2；
It should be noted that NFMI, which is applied to the advantages of earpiece audio playback equipment, at 3 points；First, as shown in Figure 1,
NFMI power consumption is ultralow, and transmission power is only 1.6Mw, and transmission rate is more suitable for the continuous of miniaturization wireless headset up to 596kbps
ETS estimated time of sailing；Second, as shown in Fig. 2, NFMI work can penetrate tissue, to people under the carrier frequency of 10MHz~14MHz
Body more meets the usage scenario of wireless binaural ear speaker device almost without radiation injury；Third, as shown in figure 3, the transmission distance of NFMI
Small by external disturbance from short, ears wireless headset is an entirety.
Main earphone 1 further includes the first codified processor 12, the first coding and decoding module 13, the first audio player 14；
Wireless communication module 11 and the first codified processor 12 communicate to connect, and connection type is preferably by I2S link connection；First
Codified processor 12 is connect 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 processor 12 and the first coding and decoding module 13 is preferably by I2S link connection；First coding and decoding
Module 13 and the first audio player 14 communicate to connect, and connection type is preferably by I2S link connection.
It 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 connect by NFMI with the first codified processor 12, and with 22 communication link of the second coding and decoding module
It connects, the communication connection mode of the second codified processor 21 and the second coding and decoding module 22 is preferably by I2S link connection；
Second coding and decoding module 22 and the second audio player 23 communicate to connect, and connection type is preferably by I2S link connection.
Wherein the first codified processor 12 and the second codified processor 21 are both preferably NXH2280 chip, because
NXH2280 chip has super low-power consumption, and integrates a high-performance The control system of-M0, a magnetic
Incude (MI) transmitter, an audio data road strength and a power management subsystem.NXH2280 chip is based on high-performance - M4 kernel, and have- M0+ coprocessor is a double-core low-power chip.Wherein
The magnetic induction transceiver of NXH2280, transmission rate is up to 596kbps, carrier frequency 10.579MHz, the humorous line of internal adjustable
Resonance is enclosed, low delay ear is optimized and is communicated to ear.The audio transmission link of NXH2280 is transmitted by I2S audio interface, support pair
Multiple audio sampling frequencies can arrive 48KHz, and internal mac accelerates to magnetic induction transmitter, the integrated delay control in internal 2 channels RX
Device processed and adaptively sampled rate converter, using Programmable DSPs.NXH2280 chip has 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 provides is ears wireless Bluetooth headsets.
In embodiments of the present invention, main earphone 1 first can by bluetooth module receive audio frequency apparatus 3 transmitting come audio
Then audio data is converted into I2S data format by data, then the NXH2280 chip of main earphone is given by I2S link transmission,
NXH2280 chip does delay appropriate to the audio data of main earphone, and wherein delay duration can be calculated by actual test
It arrives, while being G.722, and to be sent to by NFMI from earphone 2 by audio data coding；Then from the NXH2280 chip of earphone 2
The audio data being encoded to G.722 can be received by NFMI and is decoded as I2S data format, at this point, delay terminates, main earphone
1 NXH2280 chip and NXH2280 chip from earphone 2 simultaneously by audio data by I2S link transmission to the first coding solution
Code module 13 and the second coding and decoding module 22, last first audio player 14 and the second audio player 23 play the respectively
One coding and decoding module 13 and the second coding and decoding module 22 decode the audio data come, realize ears radio play sound
Frequently.
Referring to Fig. 2, the embodiment of the invention provides a kind of the first implementations of the audio frequency playing method of ears wireless headset
Example, comprising:
101, main earphone receives the audio data that audio frequency apparatus transmitting comes.
102, main earphone will be sent to from earphone by NFMI after audio data coding, make winner's 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 next audio data of audio frequency apparatus transmitting is received
NFMI will be sent to after audio data coding from earphone, make winner's earphone and from earphone simultaneously playing audio-fequency data.
Referring to Fig. 3, the embodiment of the invention provides a kind of the second implementations of the audio frequency playing method of ears wireless headset
Example, comprising:
201, main earphone receives the audio data that audio frequency apparatus transmitting comes.
202, main earphone makees delay process to audio data, then by audio data coding be I2S audio data format simultaneously
It is sent to by NFMI from earphone, after from the audio data that earphone receives I2S audio data format, main earphone and from earphone
Playing audio-fequency data simultaneously.
In embodiments of the present invention, main earphone is firstly the need of the next audio data of audio frequency apparatus transmitting is received, then to sound
Audio data coding is I2S audio data format according to delay process is made, then and is sent to by NFMI from earphone by frequency, to
After the audio data that earphone receives I2S audio data format, 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, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (5)
1. a kind of ears wireless headset characterized by comprising main earphone, from earphone, be arranged in it is wireless in the main earphone
Communication module；
The main earphone is connect by the wireless communication module with audio frequency apparatus；
The main earphone is connect with described from earphone by NFMI；
The main earphone further includes the first codified processor, the first coding and decoding module, the first audio player；
The wireless communication module is connect with the first codified processor communication；The wireless communication module is bluetooth mould
Block, the bluetooth module is used to receive audio frequency apparatus and passs the audio data come, and audio data is converted into I2S data format,
The I2S data format is transferred to the first codified processor of the main earphone again；
The first codified processor is connect with described from earphone by NFMI, and is communicated with the first coding and decoding module
Connection, wherein the first codified processor is NXH2280 chip；
The first coding and decoding module and first audio player communicate to connect；
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 connect by NFMI with the first codified processor, and is solved with second coding
Code module communication connection；
The second coding and decoding module and second audio player communicate to connect；
The first codified processor and the second codified processor are for simultaneously distinguishing the audio data received
Be sent to the first coding and decoding module, the second coding and decoding module is decoded so that the main earphone and described
From earphone while playing audio data, wherein the first codified processor is used to compile the audio data of main earphone
Code, and delay process is done to the audio data after coding, I2S is received from the second codified processor of earphone to described
After the audio data of audio data format, terminate delay.
2. ears wireless headset according to claim 1, which is characterized in that the first codified processor is
NXH2280 chip.
3. ears wireless headset according to claim 1, which is characterized in that the second codified processor is also
NXH2280 chip.
4. ears wireless headset according to claim 1, which is characterized in that the wireless communication module is bluetooth module.
5. a kind of audio frequency playing method of ears wireless headset, which is characterized in that the ears wireless headset such as aforesaid right is wanted
Ears wireless headset described in 1-4 is sought, the audio frequency playing method includes:
Main earphone receives the audio data that audio frequency apparatus transmitting comes；
The main earphone makees delay process to the audio data, is then I2S audio data lattice by the audio data coding
Formula and be sent to by NFMI it is described from earphone, to the audio data for receiving I2S audio data format 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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| 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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| CN107205192B true CN107205192B (en) | 2019-10-11 |
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| CN107819922B (en) * | 2017-10-09 | 2019-10-15 | 维沃移动通信有限公司 | A kind of relaying method of adjustment, wireless headset and the mobile terminal of wireless headset |
| 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 |
| CN108702651B (en) * | 2017-11-09 | 2019-07-12 | 深圳市汇顶科技股份有限公司 | The wireless data transmission of balance |
| US10085216B1 (en) | 2017-11-09 | 2018-09-25 | Shenzhen GOODIX Technology Co., Ltd. | Balanced wireless data transmission |
| CN108347663B (en) * | 2018-02-08 | 2020-01-14 | 深圳市沃特沃德股份有限公司 | Control method of split type wireless audio equipment and wireless audio equipment |
| 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 |
| CN108566684B (en) * | 2018-07-02 | 2021-04-13 | Oppo广东移动通信有限公司 | Communication connection establishing method and related equipment |
| 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 |
| 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 |
| CN109243473B (en) * | 2018-10-26 | 2022-10-21 | 南京中感微电子有限公司 | Audio data communication method and head-mounted equipment |
| CN110519742B (en) * | 2019-09-16 | 2022-02-18 | 安徽华米信息科技有限公司 | Audio synchronous playing method and device and TWS Bluetooth headset |
| CN111132377B (en) * | 2019-12-27 | 2022-03-22 | 昱兆微电子科技(上海)有限公司 | Data transmission method and system for terminal and earphone |
| CN113163302B (en) * | 2020-01-22 | 2023-01-10 | 达发科技股份有限公司 | True wireless multi-sound channel loudspeaking device and multi-sound source sounding method thereof |
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| CN112188361A (en) * | 2020-09-23 | 2021-01-05 | 歌尔科技有限公司 | Audio data transmission method, sound box system and computer readable storage medium |
| CN112188362B (en) * | 2020-09-29 | 2022-06-03 | 歌尔科技有限公司 | Playing method, device and computer readable storage medium |
| CN113015057A (en) * | 2021-03-16 | 2021-06-22 | 歌尔科技有限公司 | Earphone and earphone system |
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