CN206991290U - A kind of external sound card - Google Patents
A kind of external sound card Download PDFInfo
- Publication number
- CN206991290U CN206991290U CN201720573829.XU CN201720573829U CN206991290U CN 206991290 U CN206991290 U CN 206991290U CN 201720573829 U CN201720573829 U CN 201720573829U CN 206991290 U CN206991290 U CN 206991290U
- Authority
- CN
- China
- Prior art keywords
- audio
- coding
- module
- sound card
- external sound
- Prior art date
- 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.)
- Active
Links
- 238000012545 processing Methods 0.000 claims abstract description 46
- 230000000694 effects Effects 0.000 claims abstract description 39
- 230000005236 sound signal Effects 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000013500 data storage Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 6
- 241000209140 Triticum Species 0.000 description 5
- 235000021307 Triticum Nutrition 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 241000282836 Camelus dromedarius Species 0.000 description 1
- 206010007134 Candida infections Diseases 0.000 description 1
- 241000282461 Canis lupus Species 0.000 description 1
- 241001342895 Chorus Species 0.000 description 1
- 241000931705 Cicada Species 0.000 description 1
- 241000272201 Columbiformes Species 0.000 description 1
- 206010011224 Cough Diseases 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 241001529251 Gallinago gallinago Species 0.000 description 1
- 208000001613 Gambling Diseases 0.000 description 1
- 241001481828 Glyptocephalus cynoglossus Species 0.000 description 1
- 206010018762 Grunting Diseases 0.000 description 1
- 208000031361 Hiccup Diseases 0.000 description 1
- 241000692870 Inachis io Species 0.000 description 1
- 240000000233 Melia azedarach Species 0.000 description 1
- 208000007027 Oral Candidiasis Diseases 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 241000282373 Panthera pardus Species 0.000 description 1
- 241000282376 Panthera tigris Species 0.000 description 1
- 241000287127 Passeridae Species 0.000 description 1
- 241000282405 Pongo abelii Species 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 206010041235 Snoring Diseases 0.000 description 1
- 241000287181 Sturnus vulgaris Species 0.000 description 1
- 241000282887 Suidae Species 0.000 description 1
- 241000287411 Turdidae Species 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 206010048232 Yawning Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 201000003984 candidiasis Diseases 0.000 description 1
- HAORKNGNJCEJBX-UHFFFAOYSA-N cyprodinil Chemical compound N=1C(C)=CC(C2CC2)=NC=1NC1=CC=CC=C1 HAORKNGNJCEJBX-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 208000017574 dry cough Diseases 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003097 mucus Anatomy 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 206010041232 sneezing Diseases 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
Landscapes
- Circuit For Audible Band Transducer (AREA)
Abstract
The utility model provides a kind of external sound card, and it includes：Multiple audio input interfaces；Coding/decoding module, it is connected with the multiple audio input interface, for carrying out encoding and decoding processing to original audio signal；Audio effect processing module, it is connected with the coding/decoding module, and the original audio signal to be treated to the coding/decoding module carries out audio effect processing, and sends the audio signal of audio effect processing to the coding/decoding module and carry out encoding and decoding processing；Audio output interface, it is connected with the coding/decoding module, to export the audio signal with audio handled by encoding and decoding that the coding/decoding module is sent；And built-in USB flash disk module.External sound card provided by the utility model not only can carry out audio mixing and audio effect processing to multipath audio signal, can carry out data exchange with data storage data and with the external world, the availability and compatibility of product are more powerful.
Description
Technical field
Audio signal processing technique field is the utility model is related to, specifically, is related to a kind of external sound card.
Background technology
With the fast development of Internet technology, the usage amount for watching the auxiliary products of network audio/video is also year by year
Increase.The auxiliary products of viewing network audio/video usually require to be equipped with external sound card, and the external sound card of different model has not
Same audio frequency process function, to meet the various demands of users.
Existing external sound card is typically only capable to certain received audio signal progress audio frequency process, and not having all the way
The function of standby storage other data of user and external movable memory equipment, so external sound card in the market is for existing
For a variety of application scenarios having, it can not meet to require.
Utility model content
The utility model provides a kind of external sound card, and the external sound card includes：
Multiple audio input interfaces, it is used to obtain original audio signal；
Coding/decoding module, it is connected with the multiple audio input interface, for carrying out encoding and decoding to original audio signal
Processing；
Audio effect processing module, it is connected with the coding/decoding module, original to be treated to the coding/decoding module
Audio signal carries out audio effect processing, and sends the audio signal of audio effect processing to the coding/decoding module and carry out at encoding and decoding
Reason；
Audio output interface, it is connected with the coding/decoding module, to export the process that the coding/decoding module is sent
The audio signal with audio of encoding and decoding processing；And
Built-in USB flash disk module, it further comprises：
Flash chip, it is preserving data；
Micro-control unit and periphery match circuit, it is connected with the flash chip, to control to the flash chip
Data reading and write operation；
USB interface, it is connected with the micro-control unit, and is attached when in use with external equipment, to basis
What the micro-control unit was sent instructs to carry out data transmission between the external equipment and built-in USB flash disk module connected.
In one embodiment, the external sound card also includes：
Key-press module, it is connected on the micro-control unit, and the micro-control unit connects with the audio effect processing module
Connect, to receive the key command of user, and control output is selected according to the key command.
In one embodiment, the micro-control unit is also connected with the coding/decoding module, wherein, coding/decoding module includes
Mixer circuit, for carrying out stereo process to the audio signal of input.
In one embodiment, the key-press module includes some corresponding to the audio buttons for specifying audio and/or some right
Should be in the scene button of given scenario.
In one embodiment, built-in USB flash disk module, the coding/decoding module and the audio effect processing module are integrated in
In same PCB.
In one embodiment, flash chip slot is set in the PCB, it is described removably to install
Flash chip.
In one embodiment, the sound card also includes：
State indicator module, it is connected with the micro-control unit, to show the sound card current state.
External sound card provided by the utility model is by setting corresponding key-press module and control unit come to audio
Processor is controlled, and also can controls sound effect processor to produce different audios to such user by key-press module, from
And meet a variety of application demands under different situations.
In addition, external sound card provided by the utility model can not only be realized and headset, earphone and/or active loundspeakerses
Connect and other data of user and external movable memory equipment can be stored, while can also realize and MCVF multichannel voice frequency is believed
Number audio mixing and audio effect processing, therefore compared to existing external sound card, the interface resource of this external sound card is more abundant, its
Preferably can effectively it be connected with a variety of external devices, the availability and compatibility of product are more powerful.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages can pass through
Specifically noted structure is realized and obtained in specification, claims and accompanying drawing.
Brief description of the drawings
, below will be to implementing in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Accompanying drawing required in example or description of the prior art does simple introduction：
Fig. 1 is the electrical block diagram according to the external sound card of the utility model one embodiment；And
Fig. 2 is the physical circuit schematic diagram according to the external sound card of the utility model one embodiment.
Embodiment
Embodiment of the present utility model is described in detail below with reference to drawings and Examples, whereby to the utility model
How application technology means solve technical problem, and the implementation process for reaching technique effect can fully understand and implement according to this.
If it should be noted that do not form conflict, each feature in each embodiment and each embodiment in the utility model
It can be combined with each other, the technical scheme formed is within the scope of protection of the utility model.
Meanwhile in the following description, many details are elaborated for illustrative purposes, it is new to this practicality to provide
The thorough understanding of type embodiment.It will be apparent, however, to one skilled in the art, that the utility model can not have to
Here detail or described ad hoc fashion is implemented.
Fig. 1 shows the structural representation for the external sound card that the present embodiment is provided.
As shown in figure 1, the external sound card that the present embodiment is provided preferably includes：Multiple audio input interfaces 101, compile solution
Code module 102, audio effect processing module 103, built-in USB flash disk module 104 and audio output interface 105.
Wherein, multiple audio input interfaces 101 are used to obtain original audio signal.Coding/decoding module 102 and multiple audios
Input interface 101 connects, for carrying out encoding and decoding processing to original audio signal.Audio effect processing module 103 and coding/decoding module
102 connections, the original audio signal to be treated to coding/decoding module 102 carry out audio effect processing, and by the sound of audio effect processing
Frequency signal sends coding/decoding module 102 to and carries out encoding and decoding processing.Audio output interface 105 is connected with coding/decoding module 102, is used
To export the audio signal with audio handled by encoding and decoding of the transmission of coding/decoding module 102.
In addition, built-in USB flash disk module 104 includes：Flash chip 1041, it is preserving data；Micro-control unit and periphery
Match circuit 1042, it is connected with flash chip 1041, to control reading and the write-in behaviour to the data of flash chip 1041
Make；And usb 1 043, it is connected with micro-control unit, and is attached when in use with external equipment, to according to micro-
What control unit was sent instructs to carry out data transmission between the external equipment and built-in USB flash disk module 104 connected.
In the present embodiment, audio effect processing module 103 can transmit the data signal come to coding/decoding module 102 and carry out accordingly
Audio effect processing, specific audio is carried to handle in obtained data signal.After audio effect processing is completed, audio effect processing
Resulting corresponding digital signal can be fed back to coding/decoding module 102 by module 103.Coding/decoding module 102 is receiving audio
After processing module 103 transmits the data signal come, digital-to-analogue conversion can be carried out to the data signal, so as to be simulated accordingly
Audio signal.
In the present embodiment, flash chip 1041 is used for part storage driving file and user other information papers.
In one embodiment of the present utility model, flash chip 1041 may be selected from the Flash chip being arbitrarily commercially available.
Usb 1 043 is used for flash chip 1041 and the extraneous input and output for carrying out data, and user wants storage
Data to external sound card flash chip 1041 when, can with by usb 1 043 by the data storage to be stored to dodge
Deposit chip 1041.Meanwhile user is wanted when the data stored in flash chip 1041 is read out, and needs also exist for passing through USB
Interface 1043 reads out the data to be read from flash chip 1041.
It should be noted that the external sound card in the present embodiment can include a usb 1 043, can also include more
Individual usb 1 043, the utility model not limited to this.
In the utility model, for control flash chip read-write operation micro-control unit also to control selections sound
Imitate the algorithm instruction required for the processing module audio effect processing to be performed.Therefore, as illustrated, micro-control unit 1042 also with
Audio effect processing module 103 connects, for a variety of audios instruction of storage to be sent to audio effect processing module 103, so as to
Audio effect processing module 103 carries out processing so as to produce different audio effects for original audio signal.
As shown in figure 1, in the present embodiment, according to being actually needed, the external sound card can also include key-press module 106.Press
Key module 106 is connected on micro-control unit, and micro-control unit is connected with audio effect processing module 103, to receive pressing for user
Key instructs, and selects control output according to key command.
It should be noted that key-press module 106 includes audio mixing button, wherein, audio mixing button can include some correspond to
Specify the audio button 1061 of audio and/or the scene button 1062 corresponding to given scenario.
It is above-mentioned some to correspond to the audio buttons 1061 of specifying audio and/or corresponding to given scenario according to being actually needed
Scene button 1062 can be only fitted in same device, can also be arranged respectively in different components, the utility model is unlimited
In this.
As shown in figure 1, in the present embodiment, according to being actually needed, the external sound card can also include mixer circuit 1021, on
Mixer circuit is stated included in coding/decoding module 102.
Wherein, micro-control unit is also connected with coding/decoding module 102, for being carried out to the audio signal of input at audio mixing
Reason.
Above-mentioned mixer circuit 1021 both can be only fitted in same device, can also be arranged respectively in different components, this
Utility model not limited to this.
In order to clearly show structure, principle and the advantage of external sound card provided by the utility model, below
External sound card physical circuit schematic diagram that the present embodiment with reference to shown in Fig. 2 is provided further is explained the external sound card
State.
As shown in Fig. 2 in the present embodiment, the input of earphone microphone interface 201 is connected on mixer circuit 1021, earphone microphone interface
201 output end is connected on the first amplifier 202.The input of earphone microphone interface 201 is generally earphone interface 2011, and headset connects
The output end of mouth 201 is generally miaow head interface 2012.The external audio information received in miaow first 2012 passes through the first amplifier
202 transmit into coding decoder 204.The audio signal for having completed encoding and decoding is passed through mixer circuit by coding decoder 204
1021 transmit to earphone interface 2011.
The output end of microphone interface 207 is connected on the second amplifier 203.The sound wave letter that microphone interface 207 receives
Breath is transmitted to coding decoder 204 by the second amplifier 203.
Any one of first amplifier 202 and the second amplifier 203 can be either configured same for any two
In one device, it can also configure in different components, the utility model not limited to this.
In the present embodiment, the input of active loundspeakerses interface 213 is connected to the input and audio mixing electricity of earphone microphone interface 201
On road 1021.Audio signal after the audio mixing of mixer circuit 1021 can be transmitted to active loundspeakerses interface 213, by active
The active loundspeakerses that acoustic interface 213 connects play back.
The output end of handset port 212 is connected at mixer circuit 1021, the sound for the mobile phone output that handset port 212 connects
Frequency signal is transmitted to mixer circuit 1021, and mixer circuit 1021 carries out audio mixing to these audio signals, the audio signal after audio mixing
It can be sent at active loundspeakerses interface 213, can also be sent at earphone microphone interface 201.In addition, the input of handset port 212
End is connected on the Y1 ports of coding decoder 204, and the input of handset port 212 receives encoded decoder 204 and compiles solution
The audio signal of code.These audio signals are transferred on the mobile phone being connected with handset port 212, can be played out by mobile phone
Come.
It should be noted that either any two, any one of active loundspeakerses interface 213 and handset port 212 is all
It can be only fitted in same device, can also configure in different components, the utility model not limited to this.
In the present embodiment, audio effect processing module 103 is realized preferably by DSP 208.In addition,
Key-press module 106 includes some audio buttons 1061 for corresponding to specified audio and/or the scene button corresponding to given scenario
1062.Above button can be subdivided into audio button 210 and scene button 211, audio button 210 and scene button again
211 are connected with micro-control unit 1042.After user presses corresponding button, micro-control unit 1042 will be according to user's
Above-mentioned action produces corresponding control instruction, and the control instruction is transmitted to the DSP 208 being attached thereto
And/or coding decoder 204, to control DSP 208 and/or coding decoder 204 to be responded.
Specifically, in the present embodiment, user can control micro-control unit to transfer by clicking on corresponding audio button 210
Corresponding special audio file.By the way that the special efficacy source of sound in special audio file is carried out into audio mixing with the audio signal currently exported
And the addition of the special efficacy sound during live can be realized.For example, the audio that micro-control unit 1042 is clicked on according to user
Button 210, mixer circuit generation such as DJ can be controlled to rub dish with the hands；ohno；Lamentation sound；Get a beating (man)；Get a beating (female)；Starling cries
Sound；Eight guard against back of the body son's wife；Hundred yuan of brothers；Double-edged sword goes out sheath；Leopard is called；Explode sound；Nasal mucus sound；Disdain sound；Bat is called；Well
；Unfortunate sound；Fly is called；Zeng little Xian laughs wildly；Slipping of brake；Brake sound；Super Mario；Ridicule's sound；Traffic accident sound；Blow loudspeaker
；Answer questions；Fight sound；Slap in the face；Hiccup sound；Yawn；Snore；Play basketball；Thunder sound；Sneezing；Play table tennis；Beat
People's fist sound；Play billiard ball；Play tennis；Large size musical instrument；Cry OK；Bicycle the tinkle of bells；Spring；Play Chinese zither；Countdown；Pouring sound；Arrive
Up to sound；Subway crosses；Phone empty verbiage；Telephone bell；The line is busy；Gambling god appears on the scene；Queue step；More people's laugh；Start up the car；
Farad power engine；Passwind sound；Take off；Air crash；Bright light that blame sincere not faze；Blame sincere not faze turns off the light；Blame sincere not faze head；It is non-
Really do not disturb admission；Admission that blame sincere not faze；Pigeon is called；Cock cries；Barking；Blow sound of the wind；Strange beast sound；Philharmonic music；Harry road
It is sub-；Wave sea-gull；Yelp and cry and scream；Tigers roaring sound；Thrush is called；Hail applause；It is cheerful and light-hearted；Oriole is called；Ox is called；Train passes through
Cross；Train is blown a whistle；Rocket launching；Lorry is blown a whistle；Machine-operated shot；Machine gun；Fierce applause；Sinister smile sound；Low-priced laugh；Keyboard sound；Knot
Shu Yin；Tense atmosphere；Police car sound；Ambulance；Ambulance sound；Help sound；Snipe shot；Prologue audio；See your younger sister；Cough
Sound；Clang step；Peacock is called；It is terrified；Terrified sound；Whistle；Extremely dazzle rhythm；Shutter sound；Wolf is called；Steamer is blown a whistle；Camel
Cry；Bray；Sparrow sound；Closet flushing；Mary reaches a standard；Wheat kisses (man)；Wheat kisses (female)；Sell and sprout；Mew；Rattle away；Rub
Motorcycle；Motor sound；Man gives a blood-curdling scream；Man's dry cough；Man roars；Tweedle；Female wheat kisses；Woman gives a blood-curdling scream；Woman roars；Vomiting
Sound；Groan of disapproval；Vehicle whistle；Automobile drifts about；Prelude；Rataplan；Beat gongs sound；Tap-tap；Toll sound；Kiss sound；Kiss；It is blue or green
Croak；Slight applause；Masses' laugh；People；Crowd hails；Crowd screams；Incite face；Triumph is laughed wildly；The roar of a lion；Pistol
Sound；Mouse is called；Spit sound；Tractor sound；Mosquito is called；Caw；Witch's laugh；Rain sound；It is small to roar with laughter；Evil
Laugh at；Heartbeat；Orangutan sound；Bear is called；Fireworks sound；Honk；Swallow is called；Baa；Excessive laugh；Vagitus；Hawk is called；
Pound glass；Neatly clap hands；Neatly mark time；Cicada is called；Helicopter；Zhou Xing speeds laugh；Grunting of hogs sound；Curse you；Hiss；
Conduct oneself and want the audio such as honest and kind.
Similarly, in the present embodiment, user can be controlled at DSP data signals by clicking on corresponding scene button 211
Reason device 208 simulates corresponding application scenarios sound.For example, the scene button 211 that micro-control unit 1042 is clicked on according to user,
DSP 208 can be controlled to realize such as application scenarios：Primary sound, Lian Mai, specialty, MC, prevalence, dodge, man become
Female, female become man, Wa Wayin, free and natural, far away, 3D is hazy and illusionary, old disc, warm, magnetic, the stranges coffee of magic sound, strength sing by, professional sing
Hand, top song god, prevalence, R＆B, rock and roll, dance music, the new century, electric sound, gramophone, robot, hazy and illusionary, chorus, Warcraft, cry out
Wheat, electric sound audio, chat, live, K songs；KTV, recording studio, music hall, popular male voice, animation female voice, concert scene, specialty
Listen national wet record dry, small Room effect, Nv Liuhang, small audio mixing, female, big audio mixing, sing, miss old times or old friends soon, band audio mixing phone, band audio mixing it is vexed
Wheat, specialty are sung, man is national.The big theatrical motion picture of supper bass, supper bass film, supper bass music, supper bass small theatre film, the rank of nobility
Scholar hall, little Hai Sheng, strange beast sound, read aloud, square, sewer, cavern, the function such as double-tone.
Existing external sound card generally only has fixed audio processing mode, and this external sound card is for beginner
With certain convenience, but for needing to meet the user of a variety of application demands simultaneously, existing has fixation
The external sound card of audio processing mode can not meet to require, and for existing external sound card, user can not be existing
Data storage on the external sound card having.
And the external sound card that the present embodiment is provided is by setting corresponding key-press module and control unit come to audio
Processor is controlled, and also can controls sound effect processor to produce different audios to such user by key-press module, and
And the external sound card that the present embodiment is provided further comprises built-in USB flash disk module, disclosure satisfy that user stores number on external sound card
According to demand, therefore, the external sound card that the present embodiment is provided meets a variety of application demands.
According to being actually needed, the input of DSP 208 can also connect analog-digital converter 206, modulus
Converter 206 can receive the audio accompaniment signal that accompaniment input interface 205 inputs.Accompaniment input interface 205 can connect electricity
The audio accompaniment signal of accompaniment sound source outside sub- qin, piano, accordion, guitar etc., analog-digital converter 206 is to these audio accompaniments
Signal carries out analog-to-digital conversion, and the digital audio and video signals of generation then are sent into DSP 208 and carried out at audio
Reason.
In the present embodiment, DSP 208 is connected with coding decoder 204, and it is used for according to microcontroller list
Member and/or analog to digital conversion circuit 206 transmit the instruction/signal come and the DAB come letter are transmitted to coding decoder 204
Number handled, and obtained corresponding digital audio and video signals will be handled and feed back to coding decoder 204.
Coding decoder 204 is after receiving DSP 208 and transmitting the digital audio and video signals come, meeting
Digital-to-analogue conversion is carried out to the digital audio and video signals, so as to obtain corresponding simulated audio signal.In the present embodiment, coding decoder
The 204 above-mentioned simulated audio signals that can be generated itself are connected by output port Y1 with the input in handset port 212,
And above-mentioned analog signal is connected by output port Y2 with the input port of mixer circuit 1021.
In different embodiments of the present utility model, according to being actually needed, coding decoder 204 can both use a core
Piece is realized, can also be realized using the functional circuit that multiple different chips are formed, the utility model not limited to this.
For example, in one embodiment of the present utility model, coding decoder 204 can also pass through encoder and decoder
To realize.Specifically, encoder can transmit the audio come to mixer circuit 1021 and carry out analog-to-digital conversion, and the phase that will be converted to
Digital audio and video signals are answered to transmit to DSP 208.Decoder is connected with DSP 208, its
The data signal come can be transmitted to DSP 208 and carries out digital-to-analogue conversion, and the analogue audio frequency that will be converted to
Signal is exported by output port Y1 and output port Y2.
In the present embodiment, micro-control unit is preferably connected by SPI interface with DSP 208, is passed through
I2C buses are connected with coding decoder 204, and DSP 208 preferably passes through I2S buses and coding decoder
204 connections.Certainly, in other embodiment of the present utility model, coding decoder 204, DSP 208 with
And other rational connected modes, the utility model not limited to this can also be used between micro-control unit.
Meanwhile in other embodiment of the present utility model, according to being actually needed, key-press module 106 can not be configured, compile
Code decoder 204 and DSP 208 can be run according to parameter set in advance, so contribute to simplify
The overall structure of whole external sound card.
In addition, in one embodiment, built-in USB flash disk module 104, coding/decoding module 102 and audio effect processing module 103 can
To be integrated in same PCB.Flash chip slot can also be set in PCB.The slot is to removable
Flash chip 1041 is installed with unloading formula.So, can be to be extended according to actual conditions to memory capacity.
In embodiment, external sound card can also include state indicator module, and it is connected with micro-control unit, to show
External sound card current state.External sound card, which can include state indicator module, can also not include state indicator module, this practicality
It is new that limitation is made not to this.
It can be seen from the foregoing description that this external sound card by set corresponding key-press module and control unit come
Sound effect processor is controlled, also can controls sound effect processor to produce different sounds to such user by key-press module
Effect, so as to meet a variety of application demands under different situations.
In addition, external sound card provided by the utility model can not only be realized and headset, earphone and/or active loundspeakerses
Connect and other data of user and external movable memory equipment can be stored, while can also realize and MCVF multichannel voice frequency is believed
Number audio mixing and audio effect processing, therefore compared to existing external sound card, the interface resource of this external sound card is more abundant, its
Preferably can effectively it be connected with a variety of external devices, the availability and compatibility of product are more powerful.
It should be understood that embodiment disclosed in the utility model is not limited to specific structure disclosed herein, and answer
When the equivalent substitute for extending to these features that those of ordinary skill in the related art are understood.It is to be further understood that herein
The term used is only used for describing the purpose of specific embodiment, and is not intended to limit.
" one embodiment " or " embodiment " mentioned in specification means special characteristic, the structure described in conjunction with the embodiments
Or characteristic is included at least one embodiment of the present utility model.Therefore, the phrase " one that specification various places throughout occurs
Individual embodiment " or " embodiment " might not refer both to same embodiment.
Although above-mentioned example is used to illustrate principle of the utility model in one or more apply, for this area
For technical staff, in the case of without departing substantially from principle of the present utility model and thought, hence it is evident that can in form, usage and reality
Various modifications may be made in the details applied and does not have to pay creative work.Therefore, the utility model by appended claims Lai
Limit.
Claims (7)
1. a kind of external sound card, it is characterised in that the external sound card includes：
Multiple audio input interfaces, it is used to obtain original audio signal；
Coding/decoding module, it is connected with the multiple audio input interface, for carrying out encoding and decoding processing to original audio signal；
Audio effect processing module, it is connected with the coding/decoding module, to the original audio treated to the coding/decoding module
Signal carries out audio effect processing, and sends the audio signal of audio effect processing to the coding/decoding module and carry out encoding and decoding processing；
Audio output interface, it is connected with the coding/decoding module, and the volume of passing through sent to export the coding/decoding module solves
The audio signal with audio of code processing；And
Built-in USB flash disk module, it further comprises：
Flash chip, it is preserving data；
Micro-control unit and periphery match circuit, it is connected with the flash chip, to control the number to the flash chip
According to reading and write operation；
USB interface, it is connected with the micro-control unit, and is attached when in use with external equipment, to according to
What micro-control unit was sent instructs to carry out data transmission between the external equipment and built-in USB flash disk module connected.
2. external sound card as claimed in claim 1, it is characterised in that the external sound card also includes：
Key-press module, it is connected on the micro-control unit, and the micro-control unit is connected with the audio effect processing module, is used
To receive the key command of user, and control output is selected according to the key command.
3. external sound card as claimed in claim 2, it is characterised in that the micro-control unit also connects with the coding/decoding module
Connect, wherein, coding/decoding module includes mixer circuit, for carrying out stereo process to the audio signal of input.
4. external sound card as claimed in claim 3, it is characterised in that the key-press module includes some corresponding to specified audio
Audio button and/or the scene button corresponding to given scenario.
5. external sound card as claimed in claim 1, it is characterised in that the built-in USB flash disk module, the coding/decoding module and
The audio effect processing module is integrated in same PCB.
6. external sound card as claimed in claim 5, it is characterised in that flash chip slot is set in the PCB,
Removably to install the flash chip.
7. the external sound card as any one of claim 1-6, it is characterised in that the sound card also includes：
State indicator module, it is connected with the micro-control unit, to show the sound card current state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720573829.XU CN206991290U (en) | 2017-05-22 | 2017-05-22 | A kind of external sound card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720573829.XU CN206991290U (en) | 2017-05-22 | 2017-05-22 | A kind of external sound card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206991290U true CN206991290U (en) | 2018-02-09 |
Family
ID=61389432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720573829.XU Active CN206991290U (en) | 2017-05-22 | 2017-05-22 | A kind of external sound card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206991290U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110795059A (en) * | 2018-08-01 | 2020-02-14 | 北京唱吧科技股份有限公司 | Special-effect self-defined sound card |
| CN111263272A (en) * | 2020-01-19 | 2020-06-09 | 深圳巴金科技有限公司 | A kind of audio signal shunt return method and system |
| CN111273887A (en) * | 2020-01-19 | 2020-06-12 | 深圳巴金科技有限公司 | A kind of audio signal shunt return method and system |
| CN111857641A (en) * | 2020-07-16 | 2020-10-30 | 深圳市十盏灯科技有限责任公司 | Live broadcast sound card expansion equipment for realizing simultaneous live broadcast of multiple mobile phones |
| CN112799633A (en) * | 2021-02-05 | 2021-05-14 | 贵州加来众科智能科技有限公司 | Portable sound card with player |
| CN112947887A (en) * | 2021-02-05 | 2021-06-11 | 贵州加来众科智能科技有限公司 | External audio circuit and desktop live broadcast sound card based on same |
| CN116017237A (en) * | 2022-12-30 | 2023-04-25 | 奇瑞新能源汽车股份有限公司 | A control system, method and vehicle for improving sound effect by using big data platform |
| CN117155372A (en) * | 2023-09-06 | 2023-12-01 | 苏州异格技术有限公司 | Input/output driver structure, input/output control method and communication system |
-
2017
- 2017-05-22 CN CN201720573829.XU patent/CN206991290U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110795059A (en) * | 2018-08-01 | 2020-02-14 | 北京唱吧科技股份有限公司 | Special-effect self-defined sound card |
| CN111263272A (en) * | 2020-01-19 | 2020-06-09 | 深圳巴金科技有限公司 | A kind of audio signal shunt return method and system |
| CN111273887A (en) * | 2020-01-19 | 2020-06-12 | 深圳巴金科技有限公司 | A kind of audio signal shunt return method and system |
| CN111857641A (en) * | 2020-07-16 | 2020-10-30 | 深圳市十盏灯科技有限责任公司 | Live broadcast sound card expansion equipment for realizing simultaneous live broadcast of multiple mobile phones |
| CN112799633A (en) * | 2021-02-05 | 2021-05-14 | 贵州加来众科智能科技有限公司 | Portable sound card with player |
| CN112947887A (en) * | 2021-02-05 | 2021-06-11 | 贵州加来众科智能科技有限公司 | External audio circuit and desktop live broadcast sound card based on same |
| CN116017237A (en) * | 2022-12-30 | 2023-04-25 | 奇瑞新能源汽车股份有限公司 | A control system, method and vehicle for improving sound effect by using big data platform |
| CN117155372A (en) * | 2023-09-06 | 2023-12-01 | 苏州异格技术有限公司 | Input/output driver structure, input/output control method and communication system |
| CN117155372B (en) * | 2023-09-06 | 2024-02-06 | 苏州异格技术有限公司 | Input/output driver structure, input/output control method and communication system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8912419B2 (en) | Synchronized multiple device audio playback and interaction | |
| US8618405B2 (en) | Free-space gesture musical instrument digital interface (MIDI) controller | |
| US20070087686A1 (en) | Audio playback device and method of its operation | |
| CN101217032B (en) | A mobile portable type singing system | |
| CN204559866U (en) | Audio equipment | |
| CN107371075A (en) | microphone | |
| WO2022111062A1 (en) | Online karaoke room implementation method, electronic device, and computer-readable storage medium | |
| CN207302612U (en) | A kind of audio device | |
| CN207732965U (en) | A kind of apparatus for processing audio | |
| JP4700351B2 (en) | Multi-user environment control | |
| JP5130348B2 (en) | Karaoke collaboration using portable electronic devices | |
| CN207650789U (en) | A kind of sound card | |
| CN207200956U (en) | A kind of apparatus for processing audio | |
| CN207409255U (en) | A kind of self-shooting bar based on live streaming sound card function | |
| CN113223484A (en) | Wireless electronic musical instrument and system | |
| CN202777778U (en) | Chorus Toy System | |
| CN206260064U (en) | A kind of digital effects accompaniment microphone | |
| CN201126702Y (en) | Record player | |
| CN212628276U (en) | Live broadcast requesting sound box | |
| CN111435590A (en) | Novel multi-functional intelligent urheen | |
| JP5397637B2 (en) | Karaoke equipment | |
| CN102814045A (en) | Chorus toy system and chorus toy playing method | |
| CN216119521U (en) | Intelligent Carinba thumb musical instrument | |
| CN223857865U (en) | A modular intelligent musical instrument | |
| JP4301549B2 (en) | Audio output system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |