CN211181634U

CN211181634U - K sings recording equipment with USB interface carries out audio transmission

Info

Publication number: CN211181634U
Application number: CN201922135222.5U
Authority: CN
Inventors: 梁琼燕
Original assignee: Shenzhen Recman Intelligent Technology Co ltd
Current assignee: Shenzhen Recman Intelligent Technology Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-08-04
Anticipated expiration: 2029-12-03

Abstract

The utility model provides a K sings recording equipment with USB interface carries out audio transmission, including switching interface, national standard type recognizer, external input analog switch, ground wire, patch cord, MCU, and with microphone and the effect button that MCU connects. Above-mentioned K sings recording equipment, use the reverberation audio if need, press the switching of audio button for a long time, MCU gathers the live sound through the microphone, add the reverberation audio with the sound again, the live sound who adds the reverberation audio is sent to national standard kind recognizer at last, if the switching interface passes through when the patch cord inserts mobile phone equipment this moment, national standard kind recognizer can automatic match corresponding microphone passageway and ground wire, finally send the sound of adding the reverberation to the cell-phone end, wherein the switching interface sets up corresponding wiring channel, send the sound collection passageway of K sings recording equipment to the cell-phone music accompaniment that corresponds, when the switching interface passes through the patch cord and inserts mobile phone equipment like this, still can mix the sound of cell-phone music accompaniment, realize the K sings.

Description

K sings recording equipment with USB interface carries out audio transmission

Technical Field

The utility model relates to a multi-functional audio recording equipment technical field, in particular to K sings recording equipment who carries out audio transmission with the USB interface.

Background

The recording equipment can collect, encode and store the site sound. The karaoke device can provide live sound transmission (USB), musical accompaniment transmission (USB), and additive effects (reverberation). The karaoke recording device is an integration of the karaoke recording device and the karaoke recording device. The karaoke recording equipment has higher requirements on the quality of audio acquisition, the reducibility of audio and the stability of self work. Therefore, the K song recording equipment completely meets the entertainment and living requirements of abundant mobile phone K songs and recording of people at present.

Along with social development, people have more and more abundant entertainment and life, especially the abundance of the current karaoke software function, people have more and more high demands on karaoke recording equipment, the existing equipment usually only has the karaoke function or the recording function, few equipment integrating the karaoke function and the karaoke recording function is available, and the interface is generally complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a K song recording equipment that carries out audio transmission with the USB interface to solve current K song equipment and the problem of recording equipment function singleness.

The utility model provides a K sings recording equipment with USB interface carries out audio transmission, including the switching interface, with switching interface connection's national standard type recognizer, external input analog switch, ground wire and patch cord, with external input analog switch with switching interface connection's MCU, and with microphone and effect button that MCU connects.

Above-mentioned K song recording equipment that carries out audio transmission with USB interface, if need use the reverberation audio, press the switching of audio button for a long time, MCU gathers the live sound through the microphone, add the reverberation audio again with the sound, send the live sound that adds the reverberation audio to national standard type recognizer at last, if when the switching interface passes through the patch cord and inserts mobile phone equipment this moment, national standard type recognizer can automatic match corresponding microphone passageway and ground wire, finally send the sound that adds the reverberation to the cell-phone end, wherein the switching interface sets up corresponding wiring channel, send the sound collection passageway to K song recording equipment to the cell-phone musical accompaniment that corresponds, like this the switching interface passes through when the patch cord inserts mobile phone equipment, can also mix the sound of cell-phone musical accompaniment, realize the K song.

Further, the switching interface includes TYPE-C interface and locates a plurality of connecting pins on the TYPE-C interface.

Further, the national standard type identifier comprises an identification chip and a first filter, wherein the identification chip is connected with the microphone and the transfer interface simultaneously.

Further, the external input analog switch comprises a first connecting line and a second connecting line which are connected with the switching interface, a second filter which is connected with the first connecting line and a third filter which is connected with the second connecting line.

Further, the ground line includes a left audio line, a right audio line, a first electrostatic impeder connected to the left audio line, and a second electrostatic impeder connected to the right audio line.

Furthermore, a voltage stabilizer is arranged between the MCU and the microphone.

Further, the adapter interface further comprises any one of a Micro-USB interface or an L lighting interface.

Drawings

Fig. 1 is a schematic structural view of a karaoke recording apparatus for audio transmission using a USB interface according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a module of the karaoke recording apparatus for audio transmission via a USB interface in fig. 1;

FIG. 3 is a schematic structural diagram of the MCU in FIG. 1;

fig. 4 is a schematic view of a connection structure of a karaoke recording apparatus for audio transmission via a USB interface according to a second embodiment of the present invention;

fig. 5 is a schematic structural diagram of a transfer interface in the karaoke recording apparatus for audio transmission via a USB interface in fig. 4;

FIG. 6 is a schematic structural diagram of a national standard type identifier in the Karaoke recording apparatus for audio transmission via a USB interface in FIG. 4;

fig. 7 is a schematic structural diagram of an external input analog switch in the karaoke recording apparatus for audio transmission via a USB interface in fig. 4;

fig. 8 is a schematic structural diagram of a ground wire in the karaoke recording apparatus for audio transmission via the USB interface shown in fig. 4.

Description of the main element symbols:

switching interface	10	First connecting wire	31	First electrostatic impeder	43
						TYPE-C interface	11	Second connecting line	32	Second electrostatic impeder	44
Connecting needle	12	Second filter	33	MCU	50
						National standard type recognizer	20	Third filter	34	Voltage stabilizer	51
Identification chip	21	Ground wire	40	Microphone (CN)	60
						First filter	22	Left audio cable	41	Sound effect key	70
External input analog switch	30	Right audio cable	42

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 to 3, a first embodiment of the present invention provides a K song recording apparatus using a USB interface for audio transmission, which includes a adapting interface 10, a national standard type identifier 20 connected to the adapting interface 10, an external input analog switch 30, a ground wire 40 and an adapting wire (not shown), an MCU50 connected to the external input analog switch 30 and the adapting interface 10, and a microphone 60 and an effect key 70 connected to the MCU50, wherein the adapting wire is a data line for connecting the K song recording apparatus, and may be a data line of a mobile phone.

If a reverberation sound effect is needed to be used, the long-press sound effect key 70 is used for switching, the MCU50 collects the field sound through the microphone 60, then adds the sound into the reverberation sound effect, and finally sends the field sound added with the reverberation sound effect to the national standard type recognizer 20, at the moment, if the switching interface 10 is connected into the mobile phone device through a switching line, the national standard type recognizer 20 can automatically match the corresponding microphone channel and the ground line 40, so that the foreign mobile phone and the domestic mobile phone can be automatically recognized and matched with the corresponding microphone channel and the ground line 40, and finally the sound added with the reverberation is sent to the mobile phone end, wherein the switching interface 10 is provided with a corresponding wiring channel to send the corresponding mobile phone music accompaniment to the sound collection channel of the K song recording device, so that the switching interface 10 can also mix the sound of the mobile phone music when being connected into the mobile phone device through the switching line, realizing the K song.

Specifically, in this embodiment, a voltage stabilizer 51 is disposed between the MCU50 and the microphone 60 to improve the stability of the microphone 60, and the MCU50 may be a controller with a model number of ATS 2819.

Referring to fig. 3 to 7, a difference between the second embodiment and the first embodiment of the K song recording apparatus using the USB interface for audio transmission according to the second embodiment of the present invention is that in the second embodiment, the adaptor interface 10 includes a TYPE-C interface 11 and a plurality of connection pins 12 disposed on the TYPE-C interface 11, so as to connect the adaptor interface 10 with the mobile phone and the national standard TYPE identifier 20.

Specifically, in this embodiment, the national standard type identifier 20 includes an identification chip 21 and a first filter 22, the identification chip 21 is connected to the microphone 60 and the adaptor interface 10 at the same time, so as to automatically identify the foreign phone and the domestic phone and match the corresponding microphone channel and the ground line 40, where the identification chip 21 may be a chip with an ASC0201 model.

Specifically, in this embodiment, the external input analog switch 30 includes a first connection line 31 and a second connection line 32 connected to the adaptor interface 10, and a second filter 33 connected to the first connection line 31 and a third filter 34 connected to the second connection line 32, so as to stably adjust the volume of the accompaniment.

Specifically, in the present embodiment, the ground wire 40 includes a left audio line 41, a right audio line 42, a first electrostatic resistor 43 connected to the left audio line 41, and a second electrostatic resistor 44 connected to the right audio line 42, so as to transmit high-quality sound data to the relay interface 10.

It is understood that in other embodiments of the present invention, the adaptor interface 10 further includes any one of a Micro-USB interface or an L lightening interface.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The K song recording equipment for audio transmission by using the USB interface is characterized by comprising a switching interface, a national standard type identifier, an external input analog switch, a ground wire, a switching wire, an MCU (microprogrammed control unit) connected with the external input analog switch and the switching interface, a microphone connected with the MCU and an effect key, wherein the national standard type identifier is connected with the switching interface.

2. The karaoke recording device for audio transmission via a USB interface according to claim 1, wherein the adapting interface comprises a TYPE-C interface and a plurality of connecting pins disposed on the TYPE-C interface.

3. The karaoke recording device using USB interface for audio transmission according to claim 1, wherein said national standard type identifier comprises an identification chip and a first filter, said identification chip is connected to said microphone and said adapting interface simultaneously.

4. The karaoke recording apparatus for audio transmission via a USB interface as claimed in claim 1, wherein the external input analog switch comprises a first connection line connected to the adapting interface, a second connection line, a second filter connected to the first connection line, and a third filter connected to the second connection line.

5. The karaoke recording device using a USB interface as claimed in claim 1, wherein the ground line comprises a left audio line, a right audio line, a first electrostatic impeder connected to the left audio line, and a second electrostatic impeder connected to the right audio line.

6. The karaoke recording device using USB interface for audio transmission as claimed in claim 1, wherein a voltage stabilizer is disposed between said MCU and said microphone.

7. The karaoke recording device for audio transmission via a USB interface as claimed in claim 1, wherein the adapter interface further comprises any one of a Micro-USB interface or an L lightening interface.