CN209390274U - An in-ear karaoke sound-changing digital earphone - Google Patents

Abstract

The utility model discloses a kind of In-Ear K to sing change of voice digital earphone, including auricular concha, the earphone buttock line being connected with auricular concha, the adjusting component being connected with earphone buttock line, the earphone main line being connected with adjusting component, the plug-assembly being connected with earphone main line, plug-assembly includes the USB-C plug for being connected with mobile phone charging hole, the plug metal housing being wrapped on the outside of USB-C plug, and the metal connector being fixed between plug metal housing and earphone main line；The pcb board that USB-C plug is divided into socket and is connected with socket, pcb board is equipped with digital decoding chip, digital decoding chip is used for DSP audio effect processing, by in USB-C plug embedded digital decoding chip, by being decoded to sound, it realizes high-fidelity, the audio output of low distortion, while being able to satisfy the conversion of other audios.

Description

An in-ear karaoke sound-changing digital earphone

technical field

The utility model relates to earphones, in particular to an in-ear digital audio-changing earphone for karaoke.

Background technique

Earphones are a pair of conversion units that receive electrical signals from a media player or receiver and convert them into audible sound waves using speakers close to the ears. Headphones are generally detachable from the media player and connect using a USB-C plug. The advantage is that you can listen to the audio alone without affecting others; it can also isolate the sound of the surrounding environment, which is very helpful for people who use it in noisy environments such as recording studios, DJs, travel, and sports; existing The headphone plug usually uses a 3.5mm connector, and the built-in A/D converter often needs to be powered separately, which cannot achieve a high-fidelity sound experience. Other sound effects.

Utility model content

The utility model aims to solve one of the technical problems in the related art at least to a certain extent. The purpose of this utility model is in order to improve the sound effect of earphone and solve the problem that earphone changes sound for this reason.

An in-ear karaoke sound-changing digital earphone, comprising an ear shell, an earphone tail wire connected to the ear shell, an adjustment assembly connected to the earphone tail wire, an earphone main wire connected to the adjustment assembly, a plug assembly connected to the earphone main wire, and a plug assembly Including the USB-C plug used to connect to the charging hole of the mobile phone, the metal jacket of the plug wrapped on the outside of the USB-C plug, and the metal connector fixed between the metal jacket of the plug and the main line of the earphone; the USB-C plug is divided into socket and The PCB board connected with the socket is provided with a digital decoding chip on the PCB board, and the digital decoding chip is used for DSP sound effect processing.

Further, the adjustment assembly includes a volume down key, a multi-function key, and a volume increase key arranged in parallel on the outside of the adjustment assembly, and an audio input board arranged inside the adjustment assembly.

Further, the ear shell includes a concha front cavity, a concha rear cavity located between the concha front cavity and the tail wire of the earphone, and an earphone speaker arranged between the concha posterior cavity and the concha front cavity.

Further, an operational amplifier IC is also provided on the PCB.

Further, the volume boost key is also used to switch sound effect modes, wherein the sound effect modes include but not limited to KTV mode, female voice mode, male voice mode, and baby voice mode.

Further, a headset is provided on the audio input board.

The beneficial effects of the utility model:

Through the built-in digital decoding chip in the USB-C plug, by decoding the sound, high-fidelity, low-distortion sound output can be realized, and at the same time, it can meet the conversion of other sound effects; the control switching of the sound effect mode can be realized through the buttons of the earphone, compared with mobile phones Or the operation on the sound card is more convenient.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to the structures shown in these drawings without creative work.

Accompanying drawing 1 is the overall structural representation of the utility model;

Accompanying drawing 2 is the structural representation of the audio input board of the present utility model;

Accompanying drawing 3 is the partial enlarged view of earphone speaker of the present utility model;

Accompanying drawing 4 is the front view of the USB-C plug of the present utility model;

Accompanying drawing 5 is the back view of the USB-C plug of the present utility model;

In the picture:

1. Ear shell; 2. Headphone tail wire; 3. Adjustment component; 4. Headphone main line; 5. Plug assembly; 11. Front cavity of ear shell; 12. Back cavity of ear shell; 13. Headphone speaker; 31. Volume reduction key; 32, multi-function key; 33, volume boost key; 34, audio input board; 51, USB-C plug; 52, plug metal jacket; 53, metal connector; 341, headset; 511, socket; 512, PCB Board; 5121, digital decoding chip; 5122, operational amplifier IC.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Example.

Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that all directional indications (such as up, down, left, right, front, back, inside, outside, center, etc.) ) under the relative positional relationship, movement conditions, etc. between the various components, if the specific posture changes, the directional indication will also change accordingly.

In this utility model, unless otherwise specified and limited, the terms "connection" and "fixation" should be understood in a broad sense, for example, "fixation" can be a fixed connection, a detachable connection, or an integration; It may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediary, and it may be an internal communication between two elements or an interaction relationship between two elements, unless otherwise clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In addition, the technical solutions of the various embodiments of the present invention can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered as the technical solution. Combination does not exist, nor is it within the scope of protection required by the utility model.

Example 1:

An in-ear karaoke sound-changing digital earphone as shown in Figures 1 to 5, includes an earshell 1, an earphone tail wire 2 connected to the ear shell 1, an adjustment component 3 connected to the earphone tail wire 2, and an adjustment component 3 Connected earphone main line 4, plug assembly 5 connected to earphone main line 4, plug assembly 5 includes USB-C plug 51 for connecting to the charging hole of mobile phone, plug metal jacket 52 wrapped on the outside of USB-C plug 51, and fixed The metal connector 53 between the plug metal jacket 52 and the earphone main line 4; the USB-C plug 51 is divided into a socket 511 for connecting with a mobile device and a PCB board 512 connected to the socket 511, and one side of the PCB board 512 is provided There is a digital decoding chip 5121, and the other side of the PCB board 512 is provided with an operational amplifier IC5122.

Further preferably, the digital decoding chip 5121 adopts a DAT3796 digital audio codec chip, and has a built-in 24bit, 96KHZ high-precision DAC converter and a 24bit, 384KHZ high-precision ADC converter.

Preferably, the adjustment assembly 3 includes a volume down key 31 , a multi-function key 32 , and a volume increase key 33 arranged in parallel on the outside of the adjustment assembly 3 , and an audio input board 34 arranged inside the adjustment assembly 3 .

Further preferably, the multifunction key 32 is used for song switching, starts to record the voice, and pauses to record the voice. Specifically, after the earphone is inserted into a mobile device such as a mobile phone, the song can be switched by pressing the multifunction key 32 twice continuously. Click the multi-function key 32 to start recording voice, and press the multi-function key 32 again to pause the recording of voice.

Further preferably, the sound effect mode can be switched by continuously pressing the volume boost key 33 twice, wherein the sound effect mode includes but not limited to KTV mode, female voice mode, male voice mode, and baby voice mode.

Further preferably, the digital decoding chip 5121 is used for sound effect conversion in different modes. In this embodiment, the digital decoding chip can be used for sound effects between KTV mode, female voice mode, male voice mode, baby voice mode, and original sound mode. convert.

Preferably, the concha 1 includes a preauricular cavity 11, a concha posterior cavity 12 located between the preauricular cavity 11 and the earphone tail wire 2, and an Headphone speakers13.

Further preferably, the front cavity 11 of the concha is made of soft silicone sleeve.

Further preferably, the operational amplifier IC 5122 is used to output the audio signal decoded by the digital decoding chip 5121 through the earphone speaker 13 after operational amplification.

Preferably, an earphone 341 is provided on the audio input board 34, and the earphone 341 is used for audio recording.

Further preferably, the audio input board 34 is electrically connected to the earphone speaker 13, the audio input board 34 is electrically connected to the PCB board 512, and the PCB board 512 takes power from the external mobile device through the socket 511.

Working principle of the utility model:

After carrying out audio recording by the headset 341 on the audio input board 34, then select the required sound effect mode (comprising KTV mode, female voice mode, male voice mode, doll voice mode, original sound mode) by the volume boost key 33, the audio signal to be processed passes through The digital decoding chip 5121 performs decoding and converts it into the target sound effect mode, and then amplifies it through the operational amplifier IC5122 to output high-fidelity sound effect through the earphone speaker 13 .

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (6)

1. a kind of In-Ear K sings change of voice digital earphone, including auricular concha, the earphone buttock line being connected with the auricular concha, with the earphone The connected adjusting component of buttock line, the earphone main line being connected with the adjusting component, the plug-assembly being connected with the earphone main line, It is characterized by: the plug-assembly includes the USB-C plug for being connected with mobile phone charging hole, it is wrapped in the USB-C and inserts The plug metal housing in head outside, and the metal connection being fixed between the plug metal housing and the earphone main line Head；

Wherein the USB-C plug is divided into socket and passes through the pcb board being electrically connected with the socket, and the pcb board, which is equipped with, to be used In the digital decoding chip of DSP audio effect processing.

2. a kind of In-Ear K according to claim 1 sings change of voice digital earphone, it is characterised in that: the adjusting component packet It includes and is located on the outside of the adjusting component successively volume down key disposed in parallel, multifunction key and volume enhancing key, and setting In the audio input plate for adjusting component internal.

3. a kind of In-Ear K according to claim 1 sings change of voice digital earphone, it is characterised in that: the auricular concha includes ear Shell ante-chamber, the auricular concha back cavity between the auricular concha ante-chamber and the earphone buttock line, and setting the auricular concha back cavity with Earphone horn between the auricular concha ante-chamber.

4. a kind of In-Ear K according to claim 1 sings change of voice digital earphone, it is characterised in that: also set on the pcb board There is operation amplifier IC.

5. a kind of In-Ear K according to claim 2 sings change of voice digital earphone, it is characterised in that: the volume enhances key It is also used to the switching of audio mode, wherein audio mode includes but is not limited to KTV mode, female voice mode, male voice mode, Wa Wayin Mode.

6. a kind of In-Ear K according to claim 2 sings change of voice digital earphone, it is characterised in that: the audio input plate It is equipped with headset.