CN214413007U

CN214413007U - Neck hanging earphone

Info

Publication number: CN214413007U
Application number: CN202120567733.9U
Authority: CN
Inventors: 王勇
Original assignee: Beijing Zhongke Shengkong Technology Co ltd
Current assignee: Beijing Zhongke Shengkong Technology Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-10-15
Anticipated expiration: 2031-03-19

Abstract

The application provides a neck-hung earphone which comprises two earphone bodies and a neck ring connected between the two earphone bodies. This application sets up wireless communication module and is independent of respectively in neck ring of hanging earphone of neck wireless communication module's audio module utilizes this audio module storage audio file to directly call under audio playback mode audio file in the audio module plays the media audio through the internal speaker of earphone. The neck hanging earphone of this application need not the mobile device end and passes through bluetooth transmission media audio frequency thereby avoid the loss compression to the sound source among the wireless transmission process, provide convenient, stably wear the tone quality that possesses the wired earphone of being close when experiencing.

Description

Neck hanging earphone

Technical Field

The application relates to the field of electronic equipment, in particular to a neck hanging earphone.

Background

In recent years, bluetooth headsets have been developed rapidly, and head-mounted, neck-mounted, and true wireless bluetooth headsets have been developed. Taking a neck-hanging earphone as an example, the user can not be bound by an earphone wire any more due to the convenient and stable wearing experience of the neck-hanging earphone, and the neck-hanging earphone is particularly suitable for sports scenes.

However, when playing audio, the conventional neck-hang earphone needs to transmit a compressed audio file encoded in a certain format through bluetooth at the device end matched with the neck-hang earphone. The higher the sound source quality is, the higher the compression ratio of the sound source code rate in the transmission process is, and finally, the more seriously the sound quality of the earphone is reduced. Therefore, the conventional wireless transmission based neck-hanging earphone generally has poor sound quality.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art, the purpose of the application is to provide a neck hanging earphone. This application sets up the audio frequency module through in the neck strap of the hanging earphone of neck to tone quality when the earphone body broadcast media audio frequency is expected to improve.

To achieve the above object, the present application provides a neck-hanging earphone comprising: a first earphone body, a second earphone body, and a collar connecting the first earphone body and the second earphone body; the neck ring is internally provided with a wireless communication module and an audio module independent of the wireless communication module; the neck hanging earphone directly calls the audio file in the audio module to play media audio in an audio playing mode.

Optionally, the neck headphones as in any one of the above, wherein the audio module comprises: the audio storage unit is used for storing the audio file; and the first decoding unit is used for decoding the audio file and outputting a media audio signal to be played.

Optionally, the neck hanging earphone as described in any one of the above, wherein the first earphone body and the second earphone body are connected by a wire laid in the neck ring; and under the Bluetooth communication mode, the wireless communication module is in communication connection with the pairing equipment of the neck hanging type earphone.

Optionally, the neck hanging earphone according to any one of the above, wherein the wireless communication module includes: the wireless interaction module is used for receiving a first radio frequency signal sent by the paired equipment and converting the first radio frequency signal into a first baseband signal; and the baseband processing module is provided with a second decoding unit independent of the first decoding unit and used for decoding the first baseband signal and outputting a call voice signal to be played.

Optionally, the neck hanging earphone as described in any of the above, wherein the neck strap further has disposed inside: the power amplifier module is simultaneously connected with the first decoding unit and the second decoding unit; the power amplification module amplifies the media audio signal to be played output by the first decoding unit in an audio playing mode, and amplifies the call voice signal to be played output by the second decoding unit in a Bluetooth call mode.

Optionally, the above any of the above neck hanging earphones, wherein the audio module stores therein a first channel audio file matching a first channel corresponding to the first earphone body and a second channel audio file matching a second channel corresponding to the second earphone body; the power amplifier module receives a first to-be-played media audio signal corresponding to the first channel audio file and a second to-be-played media audio signal corresponding to the second channel audio file, respectively, and drives the first earphone body according to the first to-be-played media audio signal and drives the second earphone body according to the second to-be-played media audio signal to play media audio.

Optionally, the neckphone as described in any of the above, wherein the audio file is an uncompressed waveform sound file, and the first decoding unit is a lossless decoding unit.

Optionally, the above neck hanging earphone is further connected to the audio storage unit, wherein the audio storage unit is further connected to an extension interface, and the extension interface is disposed on the neckband and is used for connecting with an external device, receiving an audio file and/or a sound effect patch file of the audio file input by the external device, and storing the audio file and/or the sound effect patch file in the audio storage unit.

Optionally, the above-mentioned neck hanging earphone further includes a coding unit, configured to receive a sound signal collected by a microphone unit of the neck hanging earphone and perform baseband coding on the sound signal; the wireless interaction module is further configured to convert a second baseband signal obtained through encoding into a second radio frequency signal, and send the second radio frequency signal to the pairing device.

Optionally, the neckphone as described in any of the above, wherein the audio storage unit is integrated with the extended flash memory of the wireless interaction module.

Compared with the prior art, the method has the following technical effects:

the wireless communication module and the audio module independent of the wireless communication module are respectively arranged in the neck ring of the neck hanging type earphone, and the audio module is used for storing audio files so as to directly call the audio files in the audio module in an audio playing mode and play media audio through the loudspeaker in the earphone body. The neck hanging earphone of this application need not the mobile device end and passes through bluetooth transmission media audio frequency thereby avoid the loss compression to the sound source among the wireless transmission process, provide convenient, stably wear the tone quality that possesses the wired earphone of being close when experiencing.

Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application.

Drawings

The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application and not limit the application. In the drawings:

FIG. 1 is a schematic view of a neck-worn headset according to the present application;

FIG. 2 is a block diagram of circuitry within the headset collar of FIG. 1;

in the drawings, 1 denotes a first earphone body; 2 denotes a second earphone body; and 3 denotes a collar.

Detailed Description

The preferred embodiments of the present application will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein only to illustrate and explain the present application and not to limit the present application.

The meaning of "and/or" as used herein is intended to include both the individual components or both.

The meaning of "inside and outside" in this application means that the direction from the neck strap housing to its internal circuitry is inside and vice versa, relative to the neck-worn headset itself; and not as a specific limitation on the mechanism of the device of the present application.

The term "connected" as used herein may mean either a direct connection between components or an indirect connection between components via other components.

Fig. 1 is a schematic structural diagram of a neck-hanging earphone according to the present application. The neck-hung earphone provided by the present application comprises two earphone bodies and a neck ring 3 connected between a first earphone body 1 and a second earphone body 2. Wherein, the first earphone body 1 is connected with the second earphone body 2 through a line laid in the neck ring 3. The collar 3 provides a stable support force to prevent the first earphone body 1 and the second earphone body 2 from easily falling off or even being lost.

In order to realize voice communication, a wireless communication module is arranged inside the neck ring 3 of the neck hanging type earphone;

in order to realize the playing of high-quality music, an audio module independent of the wireless communication module is further arranged inside the neck ring 3;

the audio module stores audio files. Therefore, the earphone provided by the application can be used in an audio playing mode: the media audio is correspondingly played by directly calling the audio file stored in the audio module; under the bluetooth conversation mode, the earphone of this application can realize carrying out the communication interaction with the pairing equipment (for example smart mobile phone) that earphone bluetooth is connected through the inside wireless communication module of neck ring 3, realizes the sending of this side speech signal and the playback of other side speech signal.

Generally speaking, the audio module or the wireless communication module may output the analog signal corresponding to the audio file or the analog signal corresponding to the voice of the other party to the power amplification module located inside the collar 3, and the power amplification module is used to amplify the analog signal, and the amplified analog signals respectively drive the speakers in the earphone bodies 1 and 2 to realize the binaural playing.

The circuit structure inside the neck-hanging earphone collar 3 can be specifically referred to as fig. 2:

wherein, the High-Fidelity (High-Fidelity) audio module may further include: an audio storage unit for storing audio files, in particular high-quality large-volume audio files; and the first decoding unit is specially used for decoding the audio files stored in the audio storage unit and outputting the media audio signals to be played. The audio storage unit may be implemented as a non-volatile storage unit such as a Flash memory (Flash).

Preferably, the uncompressed waveform sound (WAV) file may be directly stored in the audio storage unit. WAV is a standard lossless audio format, and records the true waveform of sound by PCM (Pulse Code Modulation) data. In order to enable an audio storage unit with a certain capacity to store more songs, in some embodiments, lossless audio files such as FLAC and APE obtained by lossless compression of PCM data may also be stored in the audio storage unit. Correspondingly, the first decoding unit may be a lossless decoding unit, and is configured to decode lossless files such as WAV, FLAC, APE, and the like, where FLAC and APE are files obtained by compressing PCM data through data reconstruction such as huffman coding, and thus the restored waveform after decoding is consistent with the WAV file.

Considering that two earphone bodies of the neck-wearing earphone correspond to one sound channel respectively, the neck-wearing earphone of the present application can separately store the audio file matched with the first sound channel corresponding to the first earphone body 1 and the audio file matched with the second sound channel corresponding to the second earphone body 2 in the audio module in the audio file storage process. That is, for each song, a portion of the audio storage units are used to store only the left channel data for that song, and another portion of the audio storage units are used to store only the right channel data for that song. After the first decoding unit decodes, the power amplification module respectively amplifies the media audio signals to be played corresponding to the left channel data and the media audio signals to be played corresponding to the right channel data, and respectively drives the two earphone bodies to play the dual-channel media audio.

Furthermore, in order to facilitate management of audio files stored locally on the neck strap earphone, the present application may further provide a wired data interface on the neck strap 3 as an expansion interface. The audio storage unit is in wired connection with external electronic equipment (a PC (personal computer), a smart phone and the like) through an expansion interface, and receives and stores an audio file (new song) and a sound effect patch file of the audio file (existing song and new song) transmitted by the external electronic equipment through a data line.

That is, except for the audio files burnt in the audio storage unit in advance when leaving factory, the neck hanging earphone of the application can also support the external device to carry out operations such as addition, deletion, sound effect rendering and the like on the audio files in the audio storage unit through the expansion interface.

It should be noted that, the above-mentioned extension interface can also be used as the charging interface of the neck hanging earphone of the present application at the same time. When the user uses the data line to connect the neck hanging earphone and the external device, the user can select various working conditions such as 'charging only', 'data transmission' and 'charging and data transmission simultaneously'. The extended interface may be implemented as an interface such as USB Type-C, Lightning.

On the other hand, taking bluetooth connection as an example, the wireless communication module in the collar 3 may be configured to include: the wireless interactive module is provided with a radio frequency module interface, the baseband processing module is provided with a baseband module interface, and the radio frequency module interface is mutually connected with the baseband module interface to realize data interaction. The wireless interaction module is used for being connected with the Bluetooth antenna and transmitting and receiving electromagnetic waves through the antenna to realize wireless communication between the neck hanging type earphone and the matched equipment. In the uplink communication process, voice signals collected by the call microphones (positioned on the earphone bodies 1 and 2 and/or the neck ring 3) on the neck hanging earphone are coded and processed by the baseband processing module, then are input to the radio frequency module interface through the baseband module interface, and are converted into radio frequency signals through the wireless interaction module to realize interaction with terminal equipment such as a mobile phone and the like; in the downlink communication process, radio frequency signals sent by terminal equipment such as a mobile phone and the like enter the wireless interaction module through the antenna, are converted into baseband signals through the wireless interaction module, and then are input into the baseband processing module through the baseband module interface for decoding.

Referring to fig. 2, except that the first decoding unit dedicated for decoding the local audio file in the audio module and the second decoding unit dedicated for decoding the downlink audio signal in the wireless communication module have different application stages and independent functions, the decoding requirement for the high-quality music is much higher than the decoding requirement for the call audio, and the bottom layer processing units related to the first decoding unit and the second decoding unit may also be independent from each other in terms of circuit structure deployment.

In some embodiments, the baseband processing module may further include: and a Microprocessor (MCU) integrating the functions of digital signal processing, communication processing, control processing and the like. In addition, the bluetooth module may be further connected with an off-chip expansion flash memory unit for supporting a technically complicated or highly optimized digital audio processing process, such as panoramic sound rendering and the like. As shown in fig. 2, the audio module of the neck hanging type bluetooth headset of the present application can reuse the extended flash memory unit connected to the bluetooth module for storing audio files. The audio storage unit of the audio module may be independent from the expansion flash memory unit of the wireless interactive module, or may be integrated with the expansion flash memory unit of the wireless interactive module as shown in fig. 2. The first decoding unit may be connected to the extended flash memory unit for decoding the audio data stored therein.

The application provides its inside memory cell direct storage audio data of neck hanging earphone accessible, need not other equipment and passes through the bluetooth and send the audio data that supplies the broadcast to the earphone in real time, avoided the tone quality loss that processes such as wireless transmission lead to, make the user can experience the music enjoyment and convenient, the stable effect of wearing of the high quality that is equivalent to wired earphone, do not influence the normal use of functions such as bluetooth conversation simultaneously, the specially adapted motion scene.

Those of ordinary skill in the art will understand that: although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A neckphone comprising:

a first earphone body, a second earphone body, and a collar connecting the first earphone body and the second earphone body;

the novel cervical collar is characterized in that a wireless communication module and an audio module independent of the wireless communication module are arranged in the cervical collar;

the audio module is internally stored with an audio file,

under the audio playing mode, the neck hanging earphone directly calls the audio file in the audio module to play the media audio.

2. The neckphone of claim 1, wherein the audio module comprises:

the audio storage unit is used for storing the audio file;

and the first decoding unit is used for decoding the audio file and outputting a media audio signal to be played.

3. The neck-worn earphone according to claim 2, wherein the first earphone body is connected to the second earphone body by a wire routed in the neck collar; and under the Bluetooth communication mode, the wireless communication module is in communication connection with the pairing equipment of the neck hanging type earphone.

4. The neckphone of claim 3, wherein the wireless communication module comprises:

the wireless interaction module is used for receiving a first radio frequency signal sent by the paired equipment and converting the first radio frequency signal into a first baseband signal;

and the baseband processing module is provided with a second decoding unit independent of the first decoding unit and used for decoding the first baseband signal and outputting a call voice signal to be played.

5. The neck-hanging earphone as defined in claim 4 wherein the interior of said collar further provides: the power amplifier module is simultaneously connected with the first decoding unit and the second decoding unit;

the power amplification module amplifies the media audio signal to be played output by the first decoding unit in an audio playing mode, and amplifies the call voice signal to be played output by the second decoding unit in a Bluetooth call mode.

6. The neckphone according to claim 5, wherein the audio module stores therein a first channel audio file matching a first channel corresponding to the first earphone body and a second channel audio file matching a second channel corresponding to the second earphone body, respectively;

the power amplifier module receives a first to-be-played media audio signal corresponding to the first channel audio file and a second to-be-played media audio signal corresponding to the second channel audio file, respectively, and drives the first earphone body according to the first to-be-played media audio signal and drives the second earphone body according to the second to-be-played media audio signal to play media audio.

7. The neckphone of claim 2, wherein the audio file is an uncompressed waveform sound file, and the first decoding unit is a lossless decoding unit.

8. The neckphone according to claim 2, wherein the audio storage unit is further connected with an extension interface, the extension interface is disposed on the neckband and is used for connecting with an external device, receiving an audio file and/or a sound effect patch file of the audio file inputted by the external device and storing the audio file and/or the sound effect patch file in the audio storage unit.

9. The neckphone of claim 4, wherein the baseband processing module further comprises an encoding unit for receiving the sound signal collected by the microphone unit of the neckphone and baseband-encoding the sound signal; the wireless interaction module is further configured to convert a second baseband signal obtained through encoding into a second radio frequency signal, and send the second radio frequency signal to the pairing device.

10. The neckphone of claim 4, wherein the audio storage unit is integrated with an extended flash memory of the wireless interaction module.