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 earphonesModule receives the audio data that audio frequency apparatus transmitting comes by wireless communication, and then main earphone passes through NFMI for the audio after codingData are sent to from earphone, make winner's earphone and from earphone while playing audio-fequency data, solve using RF as ears bluetooth earTechnical 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 earWireless 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 moduleCommunication 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 secondCode 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 instituteIt 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 instituteIt 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 codingBe sent to according to format and by NFMI it is described from earphone, to the audio for receiving I2S audio data format from earphoneAfter 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 earsModule 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 codingAccording to being sent to from earphone, make winner's earphone and from earphone simultaneously playing audio-fequency data, main earphone and between earphone use NFMICommunication mode replace RF and traditional Bluetooth transmission mode because NFMI is low in energy consumption, transmission range is short, can penetrate human body groupIt 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 interruptedConnection, and to connect more reliable, user experience more preferably, is solved using RF as the ears bluetooth headsets technology caused byDifficulty 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 earsMachine and it is all made of NXH2280 chip from the codified processor in earphone, by NXH2280 chip to the audio number in main earphoneAccording to delay process, time delay is preferably minimized, realizes the synchronous design of binaural audio.
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 earphones1 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 NFMIAudio 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 earsTechnical 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 asksTopic.
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 inventionAttached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed belowEmbodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this fieldThose of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present inventionRange.
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, packetsIt 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 communicationIt 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 communicationModule 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 earphoneIt 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 596kbpsETS estimated time of sailing；Second, as shown in Fig. 2, NFMI work can penetrate tissue, to people under the carrier frequency of 10MHz~14MHzBody 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 NFMISmall 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；FirstCodified 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 codifiedThe communication connection mode of processor 12 and the first coding and decoding module 13 is preferably by I2S link connection；First coding and decodingModule 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；TheTwo codified processors 21 are connect by NFMI with the first codified processor 12, and with 22 communication link of the second coding and decoding moduleIt 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, becauseNXH2280 chip has super low-power consumption, and integrates a high-performanceThe control system of-M0, a magneticIncude (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.WhereinThe magnetic induction transceiver of NXH2280, transmission rate is up to 596kbps, carrier frequency 10.579MHz, the humorous line of internal adjustableResonance 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 pairMultiple audio sampling frequencies can arrive 48KHz, and internal mac accelerates to magnetic induction transmitter, the integrated delay control in internal 2 channels RXDevice processed and adaptively sampled rate converter, using Programmable DSPs.NXH2280 chip has a variety of Peripheral Interfaces, includingUART/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 implementedThe 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 audioThen 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 testIt 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 2The 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 earphone1 NXH2280 chip and NXH2280 chip from earphone 2 simultaneously by audio data by I2S link transmission to the first coding solutionCode module 13 and the second coding and decoding module 22, last first audio player 14 and the second audio player 23 play the respectivelyOne coding and decoding module 13 and the second coding and decoding module 22 decode the audio data come, realize ears radio play soundFrequently.
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 headsetExample, 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 simultaneouslyPlaying 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 receivedNFMI 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 headsetExample, 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 simultaneouslyIt is sent to by NFMI from earphone, after from the audio data that earphone receives I2S audio data format, main earphone and from earphonePlaying 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 soundAudio data coding is I2S audio data format according to delay process is made, then and is sent to by NFMI from earphone by frequency, toAfter 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 withIt realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unitIt divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or componentsIt can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown orThe mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unitIt 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 unitThe component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multipleIn 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 unitIt is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated listMember 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 productWhen, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantiallyThe 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 wordsIt embodies, which is stored in a storage medium, including some instructions are used so that a computerEquipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present inventionPortion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-OnlyMemory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journeyThe 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 beforeStating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to precedingTechnical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And theseIt 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.