CN207854151U - External sound card - Google Patents
External sound card Download PDFInfo
- Publication number
- CN207854151U CN207854151U CN201820080739.1U CN201820080739U CN207854151U CN 207854151 U CN207854151 U CN 207854151U CN 201820080739 U CN201820080739 U CN 201820080739U CN 207854151 U CN207854151 U CN 207854151U
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- CN
- China
- Prior art keywords
- sound card
- interface
- audio
- microphone
- music
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a kind of external sound card, including sound card main body, microphone output interface and music input interface are provided in the sound card main body, the microphone output interface and the music input interface carry microphone input connector by one, the one-to-two audio transiting wire of music out splice going splice and 3.5mm four-part form headset connectors is connect with external mobile terminal, the microphone output interface is connect with the microphone input connector, the music input interface is connect with the music out splice going splice, the 3.5mm four-part forms headset connector is connect with the earphone microphone interface of the external mobile terminal.External sound card provided in this embodiment can be connect by audio transiting wire with external mobile terminal, so that external sound card can carry out speech enabled between external mobile terminal.
Description
Technical field
The utility model is related to audio area more particularly to a kind of external sound cards.
Background technology
External sound card is also referred to as USB sound cards, and the USB interface being arranged by itself is connect with terminal device and and terminal device
Carry out speech enabled.Because it can be detached from that computer housing is independently operated, will not be by the electromagnetic interference in cabinet, and external sound
Card possesses oneself independent audio control chip, can realize better sound quality and more audio-frequency functions.
As impetuses, the Internet markets such as the universal and broadband speed-raising of smart mobile phone, WIFI covering increases are gradual
It is transferred to mobile terminal, it, cannot since the miaow core collection effect of mobile phone is bad and mobile phone itself has audio-frequency function limited
It meets the needs of users.Mobile phone is connected so that mobile phone obtains better sound and more work(by external sound card
Can be a good solution route, still, how external sound card to be connect with mobile terminal device with realize external sound card with
Speech enabled between mobile terminal device is a technical issues of urgent need solves.
Utility model content
Based on the deficiencies of the prior art, the utility model provides a kind of external sound card comprising sound card main body, the sound card
Microphone output interface and music input interface are provided in main body, the microphone output interface and music input connect
Mouth passes through an one-to-two audio conversion with microphone input connector, music out splice going splice and 3.5mm four-part form headset connectors
Wiring is connect with external mobile terminal, and the microphone output interface is connect with the microphone input connector, and the music is defeated
Incoming interface is connect with the music out splice going splice, the headset of the 3.5mm four-part forms headset connector and the external mobile terminal
Interface connects.
Further, the microphone output interface is three-stage interface or two-period form interface, the music input interface
For three-stage interface.
Further, the sound card main body further includes downmixing unit, and the downmixing unit is electrically connected defeated with the music
Between incoming interface and the microphone output interface, the downmixing unit is used to carry out at audio mixing to inputting audio signal therein
Reason.
Further, the sound card main body further includes audio effect processing unit, and the audio effect processing unit is electrically connected at institute
It states between music input interface and the microphone output interface, the audio effect processing unit is used for the music input interface
The audio signal of input carries out audio effect processing.
Further, the sound card main body further includes shell, and audio is provided on the shell and adjusts control key.
Further, it includes at least one of button, poke rod, knob that the audio, which adjusts control key,.
Further, it is provided with standard switching switch on the audio transiting wire, standard switching switch is for by institute
It states 3.5mm four-part form headset connectors and is switched to CTIA standards or OMTP standards.
Compared with prior art, there is external sound card provided in this embodiment microphone output interface and music input to connect
Mouthful, so that external sound card can carry microphone input connector, music out splice going splice and 3.5mm four-part form headsets by one
The one-to-two audio transiting wire of connector is connect with external mobile terminal, so that external sound card can be between external mobile terminal
Speech enabled is carried out, the use demand of user is met.
Description of the drawings
Fig. 1 is the use state reference chart for the external sound card that a kind of embodiment of the utility model provides；
Fig. 2 is a kind of signal stream under the external sound card that provides of the utility model embodiment use state shown in Fig. 1
Reference chart；
Fig. 3 is another signal under the external sound card that provides of the utility model embodiment use state shown in Fig. 1
Flow reference chart；
Fig. 4 switches the schematic diagram switched for the standard being arranged on the audio transiting wire in embodiment illustrated in fig. 1；
Fig. 5 is the structural reference figure for the external sound card that another embodiment of the utility model provides；
Fig. 6 is the structural reference figure for the external sound card that another embodiment of the utility model provides.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is described in further detail the utility model.It should be appreciated that specific embodiment described herein is only explaining
The utility model is not used to limit the utility model.
Referring to Fig. 1, the utility model embodiment provides a kind of external sound card 100 comprising sound card main body, sound card main body
On be provided with microphone output interface 101 and music input interface 102.
Microphone output interface 101 is used to export the audio signal in external sound card 100, can be two-period form interface
Or three-stage interface.When microphone output interface 101 selects two-period form interface, the audio signal of output is monophonic Mike
Wind number.When microphone output interface 101 selects three-stage interface, the audio signal of output can be two-channel microphone
Signal；If those skilled in the art are by the audio signal in external sound card 100 from the L channel channel of microphone output interface 101
Or the output of right channel channel, the then audio signal that microphone output interface 101 exports are monophonic microphone signal.Microphone
Output interface 101 can select the interface of 2.5mm, 3.5mm, 6.5mm equidimension.
Music input interface 102 is used to input two-channel music signal to external sound card 100, and music input interface 102 is adopted
With three-stage interface, the interface of 2.5mm, 3.5mm, 6.5mm equidimension can be selected.
In a kind of usage scenario, 102 energy of microphone output interface 101 and music input interface of external sound card 100
It is enough connect with external mobile terminal 300 by the audio transiting wire of one-to-two 200 and carries out speech enabled.
Specifically, audio transiting wire 200 carries microphone input connector 201, music out splice going splice 202 and 3.5mm tetra-
Segmentation headset connector 203, wherein microphone output interface 101 is connect with microphone input connector 201, music input interface 102
It is connect with music out splice going splice 202,3.5mm four-part form headsets connector 203 connects with the earphone microphone interface on external mobile terminal 300
It connects.3.5mm four-part form headsets connector 203 can be CTIA standard interfaces, can also be OMTP standard interfaces.Its
In, microphone input connector 201 can be two-period form connector or three-stage connector, preferably itself and microphone output interface 101
Style and size are consistent.Music out splice going splice 202 uses three-stage connector, with the style of music input interface 102 and
Size is consistent.
External sound card 100 is connect with external mobile terminal 300 by audio transiting wire 200 and carries out the specific of speech enabled
Signal flow refers to Fig. 2 and Fig. 3, wherein Fig. 2 corresponding is that the signal stream that 3.5mm four-part form headsets connector 203 is OMTP is joined
Examine figure, it is signal stream reference chart that 3.5mm four-part form headsets connector 203 is CTIA that Fig. 3 is corresponding, this place repeats no more.
In this usage scenario, the audio signal in external sound card 100 is exported from microphone output interface 101, and via
Audio transiting wire 200 is transmitted in external mobile terminal 300, and the audio signal in external mobile terminal 300 is then via audio conversion
Wiring 200 is input to from music input interface 102 in external sound card 100, and in other words, external sound card 100 passes through audio repeating
Line 200 can carry out audio signal interaction with external mobile terminal 300, so that external mobile terminal 300 can be by outer
It sets sound card 100 and obtains sound quality more preferably voice signal and more rich audio-frequency function, disclosure satisfy that the demand of user.
Further, as shown in Figure 1 and Figure 4, audio transiting wire 200 also there is standard to switch switch 204.Standard switching is opened
It closes 204 to be set on the shell of audio transiting wire 200, for 3.5mm four-part form headsets connector 203 to be switched to CTIA standard marks
Accurate or OMTP standards, may be with the earphone microphone interface of different systems standard to be adapted to different external mobile terminals 300
The case where.Preferably, standard switching switch 204 is toggle switch.
In the enclosure of audio transiting wire 200, it can be double-point double-throw switch that standard, which switches switch 204, specific such as Fig. 4
Shown, two contacts of secondary series are movable contact, and first row and tertial contact are stationary contact, two contacts of each row at
To using.In the structure shown in figure 4, standard switching switch 204 need to only be toggled it to gear to the right by user, you can by audio
The 3.5mm four-part form headsets connector 203 of patchcord 200 is switched to CTIA standards corresponding with external mobile terminal 300.Together
Standard need to only be switched switch 204 and toggle it to gear to the left by reason, user, you can by the 3.5mm four-part form ears of audio transiting wire 200
Wheat connector 203 is switched to OMTP standards corresponding with external mobile terminal 300.
In more preferably embodiment, sound card main body includes microphone output interface 101 and music input interface 102, is gone back
Including the downmixing unit 103 being electrically connected between music input interface 102 and microphone output interface 101, downmixing unit 103
For carrying out stereo process to inputting audio signal therein.
In the present embodiment, sound card main body further include the common audio interface in this field (such as USB interface, microphone interface,
Earphone interface, accompaniment interface) and common audio frequency processing circuit (such as it is modulus/D/A converting circuit, sound effect processing circuit, auxiliary
Help audio playing circuit), to constitute the sound card of structural integrity.Preferably, as shown in figure 5, the people inputted from microphone input interface
Output is to downmixing unit 103 after acoustical signal carries out audio effect processing via audio effect processing unit 104, and downmixing unit 103 is by reception
Human voice signal and from music input interface 102 input music signal carry out stereo process after, by obtained audio signal from
Microphone output interface 101 and earphone interface output.In the present embodiment, downmixing unit 103 can be operational amplifier,
Can there is the codec chip of sound mixing function, such as WM8776 chips, audio effect processing unit can be reverberation chip, electric sound
Chip, such as M3309 chips can be used as electric sound, change voice, reverberation audio effect processing.
External sound card 100 provided in this embodiment can also be carried out by audio transiting wire 200 and external mobile terminal 300
Speech enabled, and can realize in the Entertainment Scene that external mobile terminal 300 is broadcast live or K is sung.For example, in live scene
In, the background music that live streaming platform plays is input to downmixing unit 103 via audio transiting wire 200 from music input interface 102,
The human voice signal of user carries out after the audio effect processings such as reverberation, electric sound via audio effect processing unit 104 from microphone output interface 101
In output to external mobile terminal 300, user can also monitor live scene in real time by earphone interface.
In more preferably embodiment, sound card main body includes microphone output interface 101 and music input interface 102, is gone back
Including the audio effect processing unit 104 being electrically connected between music input interface 102 and microphone output interface 101, at audio
Reason unit 104 for being dodged to the music signal inputted from music input interface, the audio effect processings such as the primary sound that disappears.
In the present embodiment, sound card main body still include the common audio interface in this field (such as USB interface, microphone interface,
Earphone interface, accompaniment interface) and common audio frequency processing circuit (such as modulus/D/A converting circuit, mixer circuit, amplification electricity
Road), to constitute complete sound card.Preferably, as shown in fig. 6, from music input interface 102 input music signal via audio
After the audio effect processings such as processing unit 104 dodged, the primary sound that disappears in output to downmixing unit 103, downmixing unit 103 will be from microphone
The voice signal and mixed from after the music signal progress audio mixing that audio effect processing unit 104 inputs by what is obtained that input interface inputs
Sound signal is exported from microphone output interface 101 and earphone interface.
In the present embodiment, it is preferred that audio effect processing unit can be the generally in the art primary sound chip that disappears, chip of dodging
Deng, such as BD3201 chips can realize the primary sound processing that disappears, fpga chip can be made it by logical design while have the original that disappears
Sonication function and processing function of dodging.Same above-described embodiment, external sound card 100 provided in this embodiment can also pass through sound
Frequency patchcord 200 carries out speech enabled with external mobile terminal 300, and can realize be broadcast live in external mobile terminal 300 or
The Entertainment Scene of person's K songs.
In more preferably embodiment, sound card main body includes microphone output interface 101 and music input interface 102, is gone back
Including shell, and the audio regulating key that is set on shell.
Audio adjust control key may include volume adjustment control key, audio switching control key, auxiliary audio play control key in
Few one kind, the type that those skilled in the art can adjust audio according to the functional structure that sound card main body has control key carry out accordingly
Setting.It includes at least one of button, poke rod, knob that audio, which adjusts control key, enables a user to adjust by audio
Control key accordingly manipulates the audio-frequency function of external sound card 100, further conforms to the use demand of user.
The above, the only preferred embodiment of the utility model, are not intended to limit the embodiments of the present invention,
Those of ordinary skill in the art's central scope according to the present utility model and spirit can very easily carry out corresponding accommodation
Or modification, therefore the scope of protection of the utility model should be subject to the protection domain required by claims.
Claims (7)
1. external sound card, including sound card main body, which is characterized in that be provided in the sound card main body microphone output interface and
Music input interface, the microphone output interface and the music input interface are by one with microphone input connector, sound
The one-to-two audio transiting wire of happy out splice going splice and 3.5mm four-part form headset connectors is connect with external mobile terminal, the wheat
Gram wind output interface is connect with the microphone input connector, and the music input interface is connect with the music out splice going splice,
The 3.5mm four-part forms headset connector is connect with the earphone microphone interface of the external mobile terminal.
2. external sound card according to claim 1, which is characterized in that the microphone output interface be three-stage interface or
Person's two-period form interface, the music input interface are three-stage interface.
3. external sound card according to claim 1, which is characterized in that the sound card main body further includes downmixing unit, described
Downmixing unit be electrically connected and the music input interface and the microphone output interface between, the downmixing unit for pair
It inputs audio signal therein and carries out stereo process.
4. external sound card according to claim 1, which is characterized in that the sound card main body further includes audio effect processing unit,
The audio effect processing unit is electrically connected between the music input interface and the microphone output interface, at the audio
Reason unit is used to carry out audio effect processing to the audio signal that the music input interface inputs.
5. according to the external sound card of Claims 1 to 4 any one of them, which is characterized in that the sound card main body further includes shell,
It is provided with audio on the shell and adjusts control key.
6. external sound card according to claim 5, which is characterized in that the audio adjust control key include button, poke rod,
At least one of knob.
7. external sound card according to claim 1, which is characterized in that be provided with standard switching on the audio transiting wire and open
It closes, the standard switching switch by the 3.5mm four-part forms headset connector for being switched to CTIA standards or OMTP systems
Formula standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820080739.1U CN207854151U (en) | 2018-01-18 | 2018-01-18 | External sound card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820080739.1U CN207854151U (en) | 2018-01-18 | 2018-01-18 | External sound card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207854151U true CN207854151U (en) | 2018-09-11 |
Family
ID=63415108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820080739.1U Expired - Fee Related CN207854151U (en) | 2018-01-18 | 2018-01-18 | External sound card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207854151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586111A (en) * | 2019-01-23 | 2019-04-05 | 芯海科技（深圳）股份有限公司 | A kind of TYPE-C interface one-to-two conversion circuit |
-
2018
- 2018-01-18 CN CN201820080739.1U patent/CN207854151U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586111A (en) * | 2019-01-23 | 2019-04-05 | 芯海科技（深圳）股份有限公司 | A kind of TYPE-C interface one-to-two conversion circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20220118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |