CN213717205U

CN213717205U - Audio device and audio interface

Info

Publication number: CN213717205U
Application number: CN202022855489.4U
Authority: CN
Inventors: 任学敏; 毛献和; 陈泳杰
Original assignee: Fiio Electronics Technology Co ltd
Current assignee: Fiio Electronics Technology Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-07-16
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses an audio equipment and audio interface, audio equipment includes: the audio host comprises a processor, an audio processing module electrically connected with the processor, and an audio output port electrically connected with the audio processing module; one or more detachable audio interfaces, wherein the audio interfaces comprise interface switching circuits; the first port of the audio interface is used for being detachably clamped with the audio output port so that the interface switching circuit is electrically connected with the audio processing module; the second port of the audio interface is used for connecting an earphone connector, so that the interface switching circuit is electrically connected with the earphone connector. The utility model provides an audio equipment can improve the convenience that the user used wired earphone to listen to audio equipment audio frequency.

Description

Audio device and audio interface

Technical Field

The utility model relates to the field of electronic technology, in particular to audio equipment and audio interface.

Background

Currently, an audio device may be externally connected to a headset through an audio interface (e.g., a 3.5mm audio interface), so that the audio device may play audio through the headset to provide audio services to a user.

However, when the audio interface of the audio device does not match the connector type of the user's headphones, the user cannot listen to the audio output by the audio device using the headphones. In addition, when a part of audio interface users on the audio equipment do not have earphones with corresponding connectors, the audio equipment cannot be used, so that interface resources are wasted, or a patch cord needs to be additionally added. Thus, the convenience of the user listening to the audio of the audio device using the headphones is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective provides an audio equipment and audio interface, aims at improving the convenience that the user listened to the audio equipment audio frequency with wired earphone.

In order to achieve the above object, the present invention provides an audio device and an audio interface for improving the convenience of a user listening to audio of the audio device using a wired earphone, the audio device including:

the audio host comprises a processor, an audio processing module electrically connected with the processor, and an audio output port electrically connected with the audio processing module;

one or more detachable audio interfaces, wherein the audio interfaces comprise interface switching circuits;

the first port of the audio interface is used for being detachably clamped with the audio output port so that the interface switching circuit is electrically connected with the audio processing module;

and the second port of the audio interface is used for connecting an earphone connector so that the interface switching circuit is electrically connected with the earphone connector.

Optionally, the second port of the audio interface is compliant with any one of the following standards: the interface standard of 3.5mm, the interface standard of 2.5mm, the interface standard of 3.5Pro, the interface standard of XLR, the interface standard of AES/EBU, the interface standard of 4.4mm, the interface standard of optic fibre digital audio frequency, the interface standard of coaxial digital audio frequency, the interface standard of Type-C.

Optionally, the audio interface includes a housing encapsulating the interface switching circuit, and the first port and the second port are respectively disposed on two opposite sides of the housing;

the first port and the audio output port are two coaxial audio interfaces which can be connected in a clamping mode.

Optionally, a plurality of fixed channels are provided, and the fixed channels are arranged at intervals; and/or the presence of a gas in the gas,

the optical device pin shearing device further comprises a second air cylinder which is arranged on the base body and corresponds to the bending mechanism, so that the bending mechanism is pushed to move along the second direction.

Optionally, the first port includes a first coaxial portion and a second coaxial portion that are coaxially sleeved, the second coaxial portion has an open end with an opening at one end, the first coaxial portion has a through end that passes through the opening, and the first coaxial portion and the second coaxial portion are coaxially rotatable; the inner wall of the audio output port is provided with a long groove and a ring groove, two ends of the long groove are respectively connected with the end face of the audio output interface and the ring groove in a penetrating manner, and the ring groove extends along the circumferential direction of the audio output port;

the outer side wall of the opening end of the second coaxial part is provided with a first bulge, the outer side wall of the penetrating end of the first coaxial part is provided with a second bulge, the second bulge is clamped in the long groove, and the first bulge rotates in the annular groove along the axis, so that the first port and the audio output port are clamped from a disassembly state to a clamping state.

Optionally, the audio interface includes a plurality of the interface switching circuits and a plurality of the second ports, and each of the interface switching circuits is connected to one of the second ports;

a plurality of the second ports conform to the same interface standard or at least conform to two different interface standards.

The utility model discloses further provide an audio interface, the audio interface is used for the audio host computer, the audio host computer contains treater, the audio processing module who is connected with the treater electricity, and with the audio output port that the audio processing module electricity is connected;

the audio interface is detachably connected with the audio host, and comprises an interface switching circuit;

The technical scheme of the utility model in, design an audio equipment, audio interface can dismantle with the host computer and be connected. The user can select the audio interface with different standards and can also use the audio interface with different standards to connect the headset connector with different standards to listen to the audio by using the headset with the different standard connector. Therefore, the waste of interface resources is reduced, an additional patch cord is not required to be added, and the convenience of a user for listening to the audio frequency of the audio equipment by using the earphone is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic diagram of an embodiment of an audio device according to an embodiment of the present invention;

fig. 2 is a schematic circuit structure diagram of an audio device according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a first port and an audio output port;

FIG. 4 is an exploded view of the first and second coaxial segments of the first port;

FIG. 5 is a schematic structural view of the second coaxial portion.

The reference numbers illustrate:

100	audio equipment	2012	Second coaxial part
				10	Audio host	202	Second port
101	Audio output port	203	Interface switching circuit
				102	Processor with a memory having a plurality of memory cells	204	Outer casing
103	Audio processing module	208	Projection
				104	Power supply module	209	Sliding chute
105	Elongated slot	210	Projecting column
				106	Ring groove	30	Earphone set
107	Hole(s)	301	Earphone connector
				20	Audio interface	40	First bump
201	First port	41	Second projection
				2011	A first coaxial part

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front, back, outer and inner … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

When the audio interface of the audio device does not match the connector type number of the user's headphones, the user cannot listen to the audio output by the audio device using the headphones. In addition, when a part of audio interface users on the audio equipment do not have earphones with corresponding connectors, the audio equipment cannot be used, so that interface resources are wasted, or a patch cord needs to be additionally added. Thus, the convenience of the user listening to the audio of the audio device using the headphones is reduced.

In view of this, the utility model provides an audio equipment and audio interface aims at improving the convenience that the user listened to the audio equipment audio frequency with wired earphone.

Fig. 1 is a schematic diagram of an embodiment of an audio device provided by the present invention; fig. 2 is a schematic circuit diagram of an audio device 100 according to an embodiment of the present invention; fig. 3 is a schematic structural diagram of the first port 201 and the audio output port 101; fig. 4 is an exploded view of the first coaxial portion 2011 and the second coaxial portion 2012 of the first port 201; fig. 5 is a schematic structural view of the second coaxial portion 2012.

Referring to fig. 1, an audio device 100 according to an embodiment of the present invention is provided. The audio device 100 may include an audio host 10 and an audio interface 20. Wherein:

audio host 10 may be used to output audio data. The audio host 10 includes an audio output port 101 for outputting audio data.

In the present invention, the number of the audio interfaces 20 may be one or more. The audio interface 20 is detachable from the audio host, and the audio interface 20 includes an interface switching circuit for adapting audio data to a corresponding earphone interface, for example, a 3.5mm interface. The interface switching circuit may refer to the description of fig. 2. The audio interface 20 may also include a housing 204.

The first port 2011 of the audio interface 20 is configured to detachably engage with the audio output port 101, so that the interface adapter circuit is electrically connected to the audio processing module;

the second port 2012 of the audio interface 20 is used for connecting the connector 301 of the earphone 30, so that the interface switching circuit is electrically connected to the earphone connector 301.

As shown in fig. 1, the headset 30 may include a connector 301, a left channel headset, and a right channel headset. For example, the connector 301 of the headset 30 may be a 3.5mm interface standard interface. Interface switching circuitry in audio interface 20 may be used to adapt audio data received from audio host 10 to a corresponding headphone interface 2012, such as a 3.5mm interface. The headphone adapter 301 and the headphone interface 2012 both conform to the 3.5mm interface standard, and the headphone 30 can receive the audio data through the audio interface 20 and play the audio data, and the user can listen to the audio from the audio host 10 through the headphone 30.

The circuit structure of the audio device 100 of the present invention is described below. Referring to fig. 2, fig. 2 is a schematic circuit structure diagram of an audio device 100 according to an embodiment of the present invention.

The audio host 10 comprises a processor 102, an audio processing module 103 electrically connected to the processor 102, and an audio output port 101 electrically connected to the audio processing module 103. Wherein:

the processor 102 is configured to control transmission of audio data to the audio processing module 103. For example, the processor 102 may control the transmission of data to the audio data processing module 103 in response to instructions for playing audio.

The audio data processing module 103 is configured to process the audio data, and the processing includes, for example, digital-to-analog conversion (DAC) by the digital-to-analog converter 1(DAC1) and the digital-to-analog converter 2(DAC 2). The audio data processing module 103 further comprises an amplifier 1 and an amplifier 2. For amplifying the audio signals processed by the digital-to-analog converter 1 and the digital-to-analog converter 2, respectively.

In the embodiment of the present application, the DAC1 and the amplifier 1 may correspond to one channel (for example, the right channel) and be used to process the audio data of the right channel and output the audio data to the contacts R and R + in the audio output port 101. Similarly, the DAC2, amplifier 2, may correspond to another channel (e.g., left channel) for processing audio data for the left channel and outputting to contacts L and L + in the audio output port 101.

And the audio output port 101 is used for transmitting the audio data processed by the audio data processing module 103 through a contact, for example, to an audio interface, and transmitting the audio data to an earphone through the audio interface.

As shown in FIG. 2, the audio output port 101 may include contacts numbered 1-7, in order, a ground contact (GND), an audio input detection line (DET), an SPDIF contact, left channel contacts (L and L +) and right channel contacts (R and R +).

In the embodiment of the present application, the processor 102 and the audio data processing module 103 may be connected through an I2S interface.

In the embodiment of the present application, the audio host 10 may further include a power supply module 104. The power supply module 104 may include a battery BATT, a power management chip (PMIC), and a Low-Dropout regulator (LDOs). The battery BATT is used for outputting electric energy to supply power to the processor 102 and the audio data processing module 103. The PMIC is used for controlling the transmission of the BATT electric energy. The LDOs are used for providing stable output current under the condition that the difference value of input voltage and output voltage is extremely small so as to supply power. The audio host 10 may also include a USB interface.

In the embodiment of the present application, the audio host 10 may further include more or less structures, which is not limited in the embodiment of the present application.

In the embodiment of the present application, as shown in fig. 2, the audio interface may be one or more of the audio interface 20a, the audio interface 20b, and the audio interface 20 c. The audio interface 20a may be an interface conforming to the 3.5mm headphone interface standard, among others. The audio interface 20b may be an interface conforming to the 4.4mm headphone interface standard. The audio interface 20c may be an interface compliant with the 2.5mm BAL interface standard and the 3.5mm SPDIF interface standard.

The interface conforming to the 3.5mm earphone interface standard means that the interface switching circuit 203a of the audio interface 20a can receive audio data from the audio output port 101, process the audio data, and transmit the audio data to the standard earphone for playing. And the mechanical dimensions of the audio interface 20a are adapted to the headset corresponding to the standard. Illustratively, the jack of the jack conforming to the 3.5mm earphone jack standard is a cylindrical hole with a diameter of 3.5mm, and the corresponding earphone plug is a cylinder with a diameter of 3.5 mm.

In the embodiment of the present invention, not limited to the above-mentioned standard example, the second port of the audio interface may further conform to any one of the following standards: the interface standard of 3.5mm, the interface standard of 2.5mm, the interface standard of 3.5Pro, the interface standard of XLR, the interface standard of AES/EBU, the interface standard of 4.4mm, the interface standard of optic fibre digital audio frequency, the interface standard of coaxial digital audio frequency, the interface standard of Type-C. The embodiment of the utility model provides an in, do not limit to specific standard, also can be other emerging standards.

As shown in fig. 2, the audio interface 20a may include a first port 201a and a second port 202a, which may be respectively disposed on two opposite sides of a housing 204, which specifically refers to the housing 204 in fig. 1.

The first port 201a and the audio output port 101 may be in a snap-fit connection, and after the snap-fit connection, contacts of the first port 201a may be respectively communicated with corresponding contacts of the audio output port 101, so as to receive audio data from the audio output port 101. Specifically, the first port 201a may also include contacts numbered 1 to 7, which are a ground contact (GND), an audio input detection line (DET), an SPDIF contact, a left channel contact (L and L +) and a right channel contact (R and R +) in sequence. The ground contact GND may be grounded, and the audio input detection line may be grounded through a resistor Rx. The output terminals of the SPDIF, left channel (L and L +) and right channel (R and R +) contacts may constitute a second port 202a that may be used to electrically connect with the headphone jack 301 to transmit audio data to the same standard headphone jack 301. Specifically, the second port 202a may transmit the left channel data from the left channel contacts (L and L +) to the left channel headphone of the headphone 30 for audio playback, and transmit the right channel data from the right channel contacts (R and R +) to the right channel headphone of the headphone 30 for audio playback.

The description of the first port 201b of the audio interface 20b and the first port 201c of the audio interface 20c may refer to the description of the first port 201a, and is not repeated here.

The output terminals of the SPDIF contact, the left channel contact (L and L +) and the right channel contact (R and R +) in the audio interface 20b may constitute a second port 202b, which may be used to electrically connect with the headphone jack 301 of the same standard, so as to transmit audio data to the headphone jack 301 of the same standard. The output terminals of the SPDIF contact, the left channel contact (L and L +) and the right channel contact (R and R +) in the audio interface 20c may constitute a second port 202c, which may be used to electrically connect with the headphone connector 301 of the same standard, so as to transmit audio data to the headphone connector 301 of the same standard.

In the embodiment of the present invention, the audio interface 20 can be detachably connected to the host computer 10. The user may select a different standard audio interface 20 and may use a different standard audio interface 20 to connect a different standard headphone jack to listen to audio using a different standard headphone jack. Therefore, the waste of interface resources is reduced, an additional patch cord is not required to be added, and the convenience of a user for listening to the audio frequency of the audio equipment by using the earphone is improved.

The following describes the principle of detachable connection between the audio interface 20 and the host 10 in the embodiment of the present invention. The first port 201 of the audio interface 20 can be detachably engaged with the audio output port 101 of the host 10, so as to detachably connect the audio interface 20 and the host 10. Specifically, referring to fig. 3, fig. 3 is a schematic structural diagram of the first port 201 and the audio output port 101. In practical implementations, the first port 201 is provided on the audio interface 20, and the audio output port 101 is provided on the host 10.

As shown in fig. 3, the first port 201 and the audio output port 101 may be two coaxial audio interfaces that can be connected by a snap connection. The first port 201 and the audio output port 101 may be detachable from the snap-fit connection state to the detachable state.

The first port 201 may include a first coaxial portion 2011 and a second coaxial portion 2012 coaxially connected, and the first coaxial portion 2011 and the second coaxial portion 2012 may coaxially rotate along a common axis (which is also common to the audio output port 101). The audio output port 101 may include an elongated slot 105 and a ring slot 106.

The first coaxial portion 2011 is engaged with the elongated slot 105, and the second coaxial portion 2012 rotates in the annular groove 106 around an axis, so that the first port 201 and the audio output port 101 are disengaged from each other to be engaged with each other.

Specifically, the first port 201 includes a first coaxial portion 2011 and a second coaxial portion 2012 which are coaxially sleeved, the second coaxial portion 2012 has an open end with one end opened, the first coaxial portion 2011 has a penetrating end which penetrates through the opening, and the first coaxial portion 2011 and the second coaxial portion 2012 can coaxially rotate; the inner wall of audio output port is equipped with elongated slot 105 and annular 106, and the terminal surface and the annular 106 setting of audio output interface are run through respectively at the both ends of elongated slot 105, and annular 105 follows audio output port circumference extension sets up, and the lateral wall of first coaxial portion 2011 open end is equipped with first arch 40, and the lateral wall that second coaxial portion 2012 passed the end is equipped with second arch 41, and second arch 41 block is to elongated slot 105 in, and first arch 40 is rotatory in annular 106 along the axis for first port 201 and audio output port are by the dismantlement state to the block state.

When the audio output device is used specifically, the first coaxial portion 2011 and the second coaxial portion 2012 are rotated, so that the first protrusion 40, the second protrusion 41 and the long groove 105 correspond to each other and enter the long groove 105 together, when the second protrusion 41 reaches the bottom of the long groove 105, the first protrusion 40 reaches the opening of the annular groove 106, at this time, the second coaxial portion 2012 is rotated, the first protrusion 40 enters the annular groove 106, the first port 201 cannot be separated from the audio output port 101 along the axial direction, in addition, the second protrusion 41 reaches the long groove 105, the first port 201 and the audio output port 101 cannot rotate relatively, the relative fixation between the two is realized, and the stability is strong.

The interface circuit of the audio interface needs to be electrically connected with the audio processing module of the audio host, and may be connected through a pin, specifically, as shown in fig. 3, the audio output port 101 further includes one or more holes 107, the first port 201 includes a plurality of protruding pillars 210, and the number of the holes 107 is the same as the number of the protruding pillars 210. As shown in fig. 3 and 4, when it is necessary to engage the first port 201 and the audio output port 101 from the detached state, the first port 201 and the audio output port 101 are aligned, so that the protruding column 210 enters the hole 107, and the second protrusion 41 is engaged in the long groove 105, and then the second coaxial portion 2012 rotates around the axis to allow the first protrusion 40 to enter the annular groove 106. In this way, the hole 107 and the protruding column 210 can be configured as an interface, so that the interface circuit of the audio interface can be electrically connected to the audio processing module of the audio host.

The elongated groove 105 may extend along the axis in the audio output port 101, and the annular groove 106 may be formed in a ring shape in a plane perpendicular to the axis and have a certain depth in the axial direction.

In the embodiment of the present invention, the first coaxial portion 2011, the second coaxial portion 2012 and the audio output port 101 may be cylindrical structures or approximate cylindrical structures.

In addition, when the first port 201 and the audio output port 101 are in the engaged state, in order to limit the relative rotation between the first coaxial portion 2011 and the second coaxial portion 2012, please refer to fig. 4 and 5, an outer side wall of the first coaxial portion 2011 is provided with a sliding groove 209 extending along the circumferential direction of the first coaxial portion 2011, an inner side wall of the second coaxial portion 2012 is correspondingly provided with a protrusion 208, and the protrusion 208 is slidably installed in the sliding groove 209, so that when the first coaxial portion 2011 and the second coaxial portion 2012 rotate relatively, the protrusion 208 also slides in the sliding groove 209, when the protrusion 208 moves to one end of the sliding groove 209, the protrusion 208 cannot move continuously, that is, the first coaxial portion 2011 and the second coaxial portion 2012 cannot rotate relatively. If the two parts are rotated relatively, the second coaxial part 2012 can be rotated reversely, and at this time, when the first protrusion 40 is rotated into the elongated slot 105, the audio interface is pulled outward, so that the first port and the audio output port can be switched to the detached state.

Referring to fig. 4 and 5 together, fig. 4 is an exploded view of the first coaxial portion 2011 and the second coaxial portion 2012 of the first port 201. Fig. 5 is a schematic structural view of the second coaxial portion 2012. In practical applications, the first coaxial portion 2011 and the second coaxial portion 2012 are in a sleeved state, and the first coaxial portion 2011 and the second coaxial portion 2012 can relatively rotate around a common axis.

In the embodiment of the present invention, when the audio interface 20 and the host 10 need to be detached from the engaging state, the axis can be the shaft, and the rotation will be performed along the opposite direction during the engaging. The first protrusion 40 can be removed from the groove 106 and the audio jack 20 can be pulled outward, the second protrusion 41 can be removed from the slot 105, and the post 210 can be removed from the hole 107. Thus, the first port 201 and the audio output port 101 can be switched from the engagement state to the disengagement state. The audio interface 20 and the host computer 10 are moved from the engaged state to the disengaged state.

The first port 201 is detachable or engaged with the audio output port 101, so that the audio interface 20 can be detachably connected with the host computer 10. The user may select a different standard audio interface 20 and may use a different standard audio interface 20 to connect a different standard headphone jack to listen to audio using a different standard headphone jack. Therefore, the waste of interface resources is reduced, an additional patch cord is not required to be added, and the convenience of a user for listening to the audio frequency of the audio equipment by using the earphone is improved.

In other embodiments of the present invention, the audio interface 20 comprises a plurality of the interface switching circuits 203 (e.g., comprising an interface switching circuit 203a, an interface switching circuit 203b, and an interface switching circuit 203c) and a plurality of second ports 202 (e.g., comprising a second port 202a, a second port 202b, and a second port 202c), each of the interface switching circuits being connected to one of the second ports; a plurality of the second ports conform to the same interface standard or at least conform to two different interface standards. In this way, it is possible to realize that a plurality of persons can connect a plurality of headphones to collectively listen to audio through the plurality of second ports 202 through one audio interface 20. Thereby improving the convenience of the user using the audio apparatus 100.

In other embodiments of the present invention, the outer surface of the second coaxial portion 2012 may be roughened, and may include lines, patterns or grooves, so that the second coaxial portion 2012 rotates relative to the first coaxial portion 2011 about the axis.

In other embodiments of the present invention, as shown in fig. 1, the housing 204 of the audio interface 20 may include a window at a location corresponding to the first port 201. The first port 201 is disposed in the audio interface 20, such that the first port 201 is exposed from the window, and specifically, the second coaxial portion of the first port 201 is partially exposed in the window.

The embodiment of the utility model provides an in, audio equipment 100 can be all kinds of audio equipment such as smart mobile phone, panel computer, AI smart sound box. The embodiment of the present application does not limit the specific device form.

The embodiment of the utility model provides a still provide an audio interface, audio interface is used for audio host computer 10, audio host computer contains treater, with the audio frequency processing module of treater electricity connection, and with the audio frequency output port of audio frequency processing module electricity connection; described with particular reference to fig. 2.

and the second port of the audio interface is used for connecting an earphone connector so that the interface switching circuit is electrically connected with the earphone connector. The detailed description of the audio interface can refer to fig. 1 to 5.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. An audio device, characterized in that the audio device comprises:

2. The audio device of claim 1, wherein the second port of the audio interface conforms to any one of the following standards: the interface standard of 3.5mm, the interface standard of 2.5mm, the interface standard of 3.5Pro, the interface standard of XLR, the interface standard of AES/EBU, the interface standard of 4.4mm, the interface standard of optic fibre digital audio frequency, the interface standard of coaxial digital audio frequency, the interface standard of Type-C.

3. The audio device of claim 1, wherein the audio interface comprises a housing enclosing the interface switching circuit, and wherein the first port and the second port are respectively disposed on opposite sides of the housing;

4. The audio device of claim 3, wherein the first port comprises a first coaxial portion and a second coaxial portion coaxially sleeved, the second coaxial portion having an open end with an end open, the first coaxial portion having a through end passing through the opening, and the first coaxial portion and the second coaxial portion being coaxially rotatable; the inner wall of the audio output port is provided with a long groove and a ring groove, two ends of the long groove are respectively connected with the end face of the audio output interface and the ring groove in a penetrating manner, and the ring groove extends along the circumferential direction of the audio output port;

the outer side wall of the opening end of the first coaxial part is provided with a first bulge, the outer side wall of the penetrating end of the second coaxial part is provided with a second bulge, the second bulge is clamped in the long groove, and the first bulge rotates in the annular groove along the axis, so that the first port and the audio output port are clamped from a disassembly state to a clamping state.

5. The audio device of any of claims 1-4, wherein the audio interface comprises a plurality of the interface switching circuits and a plurality of the second ports, one of the second ports being connected to each of the interface switching circuits;

6. An audio interface, wherein the audio interface is used for an audio host, and the audio host comprises a processor, an audio processing module electrically connected with the processor, and an audio output port electrically connected with the audio processing module;

7. The audio interface of claim 6, wherein the second port of the audio interface conforms to any one of the following standards: the interface standard of 3.5mm, the interface standard of 2.5mm, the interface standard of 3.5Pro, the interface standard of XLR, the interface standard of AES/EBU, the interface standard of 4.4mm, the interface standard of optic fibre digital audio frequency, the interface standard of coaxial digital audio frequency, the interface standard of Type-C.

8. The audio interface of claim 6, wherein the audio interface comprises a housing enclosing the interface adapter circuit, and the first port and the second port are respectively disposed on opposite sides of the housing;

9. The audio interface of claim 8, wherein said first port comprises a first coaxial portion and a second coaxial portion coaxially sleeved together, said second coaxial portion having an open end with an end open, said first coaxial portion having a through end passing through said opening, and said first coaxial portion and said second coaxial portion being coaxially rotatable; the inner wall of the audio output port is provided with a long groove and a ring groove, two ends of the long groove are respectively connected with the end face of the audio output interface and the ring groove in a penetrating manner, and the ring groove extends along the circumferential direction of the audio output port;

the outer side wall of the opening end of the second coaxial part is provided with a first bulge, the outer side wall of the penetrating end of the second coaxial part is provided with a second bulge, the second bulge is clamped in the long groove, and the first bulge rotates in the annular groove along the axis, so that the first port and the audio output port are clamped from a disassembly state to a clamping state.

10. The audio interface of any of claims 6-9, wherein said audio interface comprises a plurality of said interface switching circuits and a plurality of said second ports, one of said second ports being connected to each of said interface switching circuits;