CN206479884U - USB sound cards - Google Patents
USB sound cards Download PDFInfo
- Publication number
- CN206479884U CN206479884U CN201720111839.1U CN201720111839U CN206479884U CN 206479884 U CN206479884 U CN 206479884U CN 201720111839 U CN201720111839 U CN 201720111839U CN 206479884 U CN206479884 U CN 206479884U
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- Prior art keywords
- audio
- usb
- interface
- sound card
- sound
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Abstract
The utility model provides a kind of USB sound cards, including sound card main body, the sound card main body includes the USB interface for connecting external computer or mobile phone and the sound card chip for carrying out audio frequency process to audio signal, the USB interface is electrically connected with the sound card chip, it is characterized in that, also include composite audio interface, it is electrically connected with the sound card chip, including analogue audio frequency output end and fiber plant incoming end, the analogue audio frequency output end is used to connect outer audio equipment output simulated audio signal, the fiber plant incoming end is used to connect the input of external fiber audio frequency apparatus or output optical fibre audio signal.The USB sound cards that the utility model is provided contain the composite audio interface, can reduce the quantity of the COBBAIF set in USB sound card main bodys, reduce the volume of USB sound cards on the premise of USB sound card functions are not reduced.
Description
Technical field
The utility model is related to Audio Signal Processing field, more particularly to a kind of USB sound cards.
Background technology
USB sound cards are the sound cards being connected by usb bus with computer system, and common pattern has USB flash disk easy to use
Shape and the boxlike shape for being placed in desktop.USB sound cards can provide audio record more more preferable than integrated sound card for computer system
System, playback quality, can also expand multichannel audio input and output interfaces, midi interface, XLR interfaces, optical fiber for computer
Interface etc., the use of USB sound cards is more and more extensive.
Existing USB sound cards generally by sound card main body integrated substantial amounts of COBBAIF sound card is possessed more
Many, more complicated audio frequency process function, therefore, the volume of the feature-rich USB sound cards of audio frequency process are often very big.
Utility model content
Based on this, the utility model provide it is a kind of containing composite audio interface, be avoided that COBBAIF set quantity mistake
Many USB sound cards are necessary.
The technical solution of the utility model is as follows：
A kind of USB sound cards, including sound card main body, the sound card main body include the USB for being used to connect external computer or mobile phone
Interface and the sound card chip for carrying out audio frequency process to audio signal, the USB interface are electrically connected with the sound card chip,
Also include composite audio interface；The composite audio interface is electrically connected with the sound card chip, and it includes analogue audio frequency output
End and fiber plant incoming end, the analogue audio frequency output end are used to connect outer audio equipment output simulated audio signal, institute
Stating fiber plant incoming end is used to connect the input of external fiber audio frequency apparatus or output optical fibre audio signal.
Further, the analogue audio frequency output end is 3.5mm audio outputs or 6.5mm audio outputs.
Further, the intelligent acess end is fibre optical transmission pipe or optical fiber reception pipe.
Further, the USB sound cards also include the audio input interface being electrically connected with the sound card chip, described in
The audio signal of audio input interface input is exported after being handled through the sound card chip from the USB interface.
Further, the USB sound cards also include miaow core and miaow core selecting unit, and the miaow core selecting unit electrically connects
It is connected between the audio input interface harmony the core of the card piece, the miaow core is electrically connected with the miaow core selecting unit, the miaow
The audio signal that core is gathered and the audio signal from audio input interface input select an input through the miaow core selecting unit
To the sound card chip.
Further, the audio input interface in TRS interfaces, TRSP interfaces, RCA interfaces, XLR interfaces one
Kind.
Further, the USB sound cards also include mobile device interface, the mobile device interface and the sound card chip
Be electrically connected with, the audio signal inputted from the USB interface handled via the sound card chip audio after from the mobile device
Interface is exported.
Further, the USB also includes downmixing unit, and the downmixing unit is electrically connected at the sound card chip and mould
Intend between audio output, be also electrically connected with the mobile device interface；The mobile device interface is additionally operable to input audio
Signal, the audio signal inputted from the audio signal of mobile device interface input and from the USB interface is through the audio mixing
Exported after unit audio mixing from the analogue audio frequency output end.
Further, the mobile device interface is one kind in four-part form COBBAIF, usb audio interface.
Further, the composite audio interface also includes inputting with the analogue audio frequency that the sound card chip is electrically connected with
End, it is used to connect outer audio equipment input simulated audio signal, and the analogue audio frequency input and the analogue audio frequency are defeated
Go out end and be combined into same analogue audio frequency incoming end.
Compared with the prior art, the USB sound cards that the utility model is provided at least have following beneficial effect：(1) pass through
Composite audio interface is set, the COBBAIF quantity set in USB sound card main bodys can be reduced, USB sound card work(is not being reduced
Reduce the volume of USB sound cards on the premise of energy；(2) by setting audio input interface, miaow core and miaow core selecting unit so that
USB sound cards have one or more audio signal input end, and multipath audio signal can select an output, and audio-frequency function is more
It is abundant；(3) by setting mobile device interface and downmixing unit so that USB sound cards can connect the output of outside mobile terminal or
Person's input audio signal；(4) by also setting up analogue audio frequency input on composite audio interface so that the composite audio connects
Mouth has more audio-frequency functions.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of USB sound cards first embodiment of the present utility model；
Fig. 2 is the internal structure schematic diagram of USB sound cards second embodiment of the present utility model；
Fig. 3 is the internal structure schematic diagram of USB sound cards 3rd embodiment of the present utility model；
Fig. 4 is the internal structure schematic diagram of USB sound cards fourth embodiment of the present utility model；
Fig. 5 is the internal structure schematic diagram of the embodiment of USB sound cards the 5th of the present utility model；
Fig. 6 is the internal structure schematic diagram of USB sound cards sixth embodiment of the present utility model.
Embodiment
The utility model is described in further detail below by embodiment combination accompanying drawing.As described below is this
The preferred embodiment of utility model, it is noted that for those skilled in the art, is not departing from this reality
On the premise of with new principle, some improvements and modifications can also be done, these improvements and modifications are also considered as guarantor of the present utility model
Protect scope.
As shown in figure 1, the USB sound cards that first embodiment of the present utility model is provided, including sound card main body 1, sound card main body 1
Including the harmony the core of the card piece 11 of usb 10, in addition to composite audio interface 12.
Usb 10 is common USB A types interface or USB Type B interfaces, can connect outside by external USB connecting line
Computer or pass through outside OTG lines connect mobile phone transmit audio signal.
Sound card chip 11 is electrically connected with usb 10, and sound card chip 11 is common usb audio single-chip, is integrated with
The common audio element such as ADC, DAC, voltage-stablizer and USB transceiver.Sound card chip 11 is used to enter to inputting audio signal therein
The audio frequency process such as row modulus/digital-to-analogue conversion, protocol conversion, audio amplification.
Composite audio interface 12 is electrically connected with sound card chip 11, including analogue audio frequency output end 121 and fiber plant connect
Enter end 122.Composite audio interface 12 is preferably three-stage composite audio interface, and the base of composite audio interface 12 contains a 3.5mm
Audio jack or 6.5mm audio jacks.Analogue audio frequency output end 121 is arranged on the inwall of the audio jack, outside
It is in contact when 3.5mm audio jacks or the insertion of 6.5mm audio jacks with analogue audio frequency output end 121, without being set with optical fiber
Standby incoming end 122 is in contact.Fiber plant incoming end 122 be arranged at the dead astern of the composite audio interface pedestal and with
The composite audio interface pedestal is at a distance of suitable distance, and the suitable distance is that external fiber audio device plug inserts complex tone
Frequency interface 12 can be in contact with fiber plant incoming end 122.
In the present embodiment, fiber plant incoming end 122 is fibre optical transmission pipe or optical fiber reception pipe.When fiber plant connects
When entering end 122 for fibre optical transmission pipe, it connects external fiber audio frequency apparatus output optical fibre audio signal；When fiber plant incoming end
122 be optical fiber reception pipe when, its connect external fiber audio frequency apparatus input optical fibre audio signal.It is preferred that external fiber audio set
Standby to carry round end Optical fiber plug, the round end Optical fiber plug includes the insulation position and intelligent acess position being sequentially connected；It is described
When round end Optical fiber plug inserts composite audio interface 12, the round end Optical fiber plug mutually insulate with analogue audio frequency output end 121, only
It is connected with fiber plant incoming end 122.
In a kind of usage scenario, usb 10 is connected with computer, and analogue audio frequency output end 121 is 3.5mm audios
Output end, the i.e. base of composite audio interface 12 are 3.5mm COBBAIF bases.User can be by composite audio interface 12
The earphone of middle insertion 3.5mm plugs hears the sound of computer end input, can also pass through the insert band round end in compound interface 12
External fiber audio frequency apparatus (such as sound equipment, power amplifier) output optical fibre audio signal of Optical fiber plug, or can be by compound interface
External fiber audio frequency apparatus (such as microphone) input optical fibre audio signal of insert band round end Optical fiber plug in 12.
Above-mentioned USB sound cards possess composite audio interface so that COBBAIF quantity in the USB sound cards main body can be with
It is appropriate to reduce, with avoid COBBAIF quantity excessively cause the excessive influence USB sound cards of sound card volume overall appearance shortcoming, together
When enable the sound card of some small sizes to possess a greater variety of COBBAIFs.
As shown in Fig. 2 the USB sound cards that the utility model second embodiment is provided, on the basis of the first embodiment
It is additionally provided with the audio input interface 13 being electrically connected with sound card chip 11.
Audio input interface 13 is used to connect external sound source equipment (such as microphone) input audio signal, from audio input interface
The audio signal of 13 inputs is exported after carrying out audio frequency process via sound card chip 11 from usb 10.
In the present embodiment, audio input interface 14 in TRS interfaces, TRSP interfaces, RCA interfaces, XLR interfaces one
Kind, preferably it is 3.5mm audio input interfaces.
As shown in figure 3, the USB sound cards that the utility model 3rd embodiment is provided, on the basis of the second embodiment
It is additionally provided with miaow core 14 and miaow core selecting unit 15.
Miaow core selecting unit 15 is electrically connected between the harmony the core of the card piece 11 of audio input interface 13, and miaow core 14 is selected with miaow core
Select unit 15 to be electrically connected with, the audio signal that miaow core 14 is gathered and the audio signal from the input of audio input interface 13 are through the miaow
Core selecting unit 15 selects an input to sound card chip 11 and carries out audio frequency process, and the audio signal after processing is again via USB interface
Output.
As shown in figure 4, the USB sound cards that the utility model fourth embodiment is provided, in the second embodiment or the 3rd
The mobile device interface 16 being electrically connected with sound card chip 11 is additionally provided with the basis of embodiment.
Mobile device interface 16 is used to connect outside mobile terminal exports audio signal, the audio inputted from usb 10
Signal carries out may be output to mobile device interface 16 after corresponding audio frequency process via sound card chip 11.
The USB sound cards that the present embodiment is provided can be used for the live usage scenario of mobile phone.In the usage scenario, USB connects
Mouth 10 is connected to computer equipment, and mobile terminal interface 16 is connected with mobile phone, and external speaker is connected to audio input interface 13.With
The sound at family gathers through the external speaker or gathers and selected through miaow core selecting unit 15 through the external speaker, and leads to
The USB sound cards are crossed to input to computer, then via computer end audio processing software change voice etc. export after audio effect processing to
Mobile phone carries out live.
As shown in figure 5, the USB sound cards that the embodiment of the utility model the 5th is provided, on the basis of the fourth embodiment
Downmixing unit 17 is additionally provided with, mobile device interface 16 is additionally operable to input audio signal.
Downmixing unit 17 is electrically connected between sound card chip 11 and analogue audio frequency output end 121, is also connect with mobile device
Mouth 16 is electrically connected with, and the audio signal inputted from mobile device interface 16 and the audio signal from the input of usb 10 are through audio mixing
Unit 17 carries out stereo process formation audio signal, and the audio signal is exported to outside via analogue audio frequency output end 121 again
Audio frequency apparatus.Joyous drink unit 17 is mixer circuit, and the mixer circuit is made up of the hardware circuit for mainly including operational amplifier.
Mobile device interface 16 is one kind in four-part form COBBAIF or usb audio interface, the four-part form audio
Interface is adapted to CTIA standards or OMTP standards, can be 3.5mm four-part form COBBAIFs, and the usb audio interface is Micro
One kind in USB interface, USB Type-C interfaces, Lighting interfaces, the usb audio interface is used to transmit analogue audio frequency letter
Number.Mobile device interface 16 passes through external audio line and the 3.5mm COBBAIFs of the outside mobile terminal (such as mobile phone, flat board)
It is connected.
As shown in fig. 6, the USB sound cards that the utility model sixth embodiment is provided, on the basis of the first embodiment,
Composite audio interface 12 also includes analogue audio frequency input 123, and it is used to input simulated audio signal.
In the present embodiment, analogue audio frequency input 123 is arranged at the interior of the audio jack contained by composite audio interface 12
On wall, same analogue audio frequency incoming end, the i.e. base of composite audio interface 12 are combined into for 4 segmentations with analogue audio frequency output end 121
COBBAIF base, user can by inserting outside headset input audio signal in composite audio interface 12 into computer,
The sound exported from computer end can also be heard by the outside headset simultaneously.
Compared with prior art, the USB sound cards that the utility model embodiment is provided at least have the advantages that：Pass through
Composite audio interface is set, the COBBAIF quantity set in USB sound card main bodys can be reduced, USB sound can not reduced
Reduce the volume of USB sound cards on the premise of card function；By setting audio input interface, miaow core and miaow core selecting unit so that
USB sound cards have one or more audio signal input end, and multipath audio signal can select an output, and audio-frequency function is more
It is abundant；By setting mobile device interface and downmixing unit so that USB sound cards can connect outside mobile terminal output or defeated
Enter audio signal；By also setting up analogue audio frequency input on composite audio interface so that the composite audio interface has
More audio-frequency functions.
Above content is to combine specific embodiment further detailed description of the utility model, it is impossible to assert
Specific implementation of the present utility model is confined to these explanations.Come for general technical staff of the technical field of the invention
Say, without departing from the inventive concept of the premise, some simple deduction or replace can also be made.
Claims (10)
1. a kind of USB sound cards, including sound card main body, the sound card main body includes being used to connect external computer or the USB of mobile phone connects
Mouth and the sound card chip for carrying out audio frequency process to audio signal, the USB interface are electrically connected with the sound card chip, its
It is characterised by, in addition to：
Composite audio interface, it is electrically connected with the sound card chip, including analogue audio frequency output end and fiber plant incoming end,
The analogue audio frequency output end is used to connect outer audio equipment output simulated audio signal, and the fiber plant incoming end is used for
Connect the input of external fiber audio frequency apparatus or output optical fibre audio signal.
2. USB sound cards according to claim 1, it is characterised in that the analogue audio frequency output end is 3.5mm audio output
End or 6.5mm audio outputs.
3. USB sound cards according to claim 1, it is characterised in that the fiber plant incoming end be fibre optical transmission pipe or
Person's optical fiber reception pipe.
4. USB sound cards according to claim 1, it is characterised in that the also sound including being electrically connected with the sound card chip
Frequency input interface, the audio signal inputted from the audio input interface is after sound card chip processing from the USB interface
Output.
5. USB sound cards according to claim 4, it is characterised in that also including miaow core and miaow core selecting unit, the miaow core
Selecting unit is electrically connected between the audio input interface harmony the core of the card piece, the miaow core and miaow core selecting unit electricity
Property connection, the audio signal of miaow core collection and the audio signal inputted from the audio input interface are selected via the miaow core
Select unit and select an input to the sound card chip.
6. the USB sound cards according to any one of claim 4~5, it is characterised in that the audio input interface is selected from TRS
One kind in interface, TRSP interfaces, RCA interfaces, XLR interfaces.
7. the USB sound cards according to any one of claim 4~5, it is characterised in that described also including mobile device interface
Mobile device interface is electrically connected with the sound card chip, and the audio signal from USB interface input is via the sound card core
Exported after piece audio frequency process from the mobile device interface.
8. USB sound cards according to claim 7, it is characterised in that also including downmixing unit, the downmixing unit electrically connects
It is connected between the sound card chip and analogue audio frequency output end, is also electrically connected with the mobile device interface；The movement is set
Standby interface is additionally operable to input audio signal, and the audio signal from mobile device interface input from the USB interface with inputting
Audio signal after being handled through the sound card chip is exported after the downmixing unit audio mixing from the analogue audio frequency output end.
9. USB sound cards according to claim 7, it is characterised in that the mobile device interface is that four-part form audio connects
One kind in mouth, usb audio interface.
10. USB sound cards according to claim 1, it is characterised in that it is defeated that the composite audio interface also includes analogue audio frequency
Enter end, it is used to connect outer audio equipment input simulated audio signal, the analogue audio frequency input and the analogue audio frequency
Output end is combined into same analogue audio frequency incoming end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720111839.1U CN206479884U (en) | 2017-02-06 | 2017-02-06 | USB sound cards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720111839.1U CN206479884U (en) | 2017-02-06 | 2017-02-06 | USB sound cards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206479884U true CN206479884U (en) | 2017-09-08 |
Family
ID=59747501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720111839.1U Expired - Fee Related CN206479884U (en) | 2017-02-06 | 2017-02-06 | USB sound cards |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206479884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109982010A (en) * | 2017-12-27 | 2019-07-05 | 广州音书科技有限公司 | A kind of conference caption system of real-time display |
-
2017
- 2017-02-06 CN CN201720111839.1U patent/CN206479884U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109982010A (en) * | 2017-12-27 | 2019-07-05 | 广州音书科技有限公司 | A kind of conference caption system of real-time display |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170908 Termination date: 20220206 |