CN205987327U - Audio equipment based on alliteration card module - Google Patents

Audio equipment based on alliteration card module Download PDF

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CN205987327U
CN205987327U CN201621056627.XU CN201621056627U CN205987327U CN 205987327 U CN205987327 U CN 205987327U CN 201621056627 U CN201621056627 U CN 201621056627U CN 205987327 U CN205987327 U CN 205987327U
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interface
signal
audio
coder
sound card
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徐文波
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Abstract

The utility model discloses an audio equipment based on alliteration card module, including controller, first sound card module and second sound card module, first sound card module with the structure of second sound card module is the same, first sound card module with second sound card module all includes external device interface, audio module controls, coder, microphone interface, first audio mixing unit, switch and monitors the interface. This audio equipment based on alliteration card module need not to connect the audio effect that a plurality of audio equipment just can realize the multi -mode simultaneously, and interconnecting link is simple, has improved the efficiency that realizes multi -mode audio effect.

Description

A kind of audio frequency apparatus based on alliteration snap gauge group
Technical field
This utility model is related to voice communication field and in particular to a kind of audio frequency apparatus based on alliteration snap gauge group.
Background technology
USB (Universal Serial Bus, USB (universal serial bus)) external sound card is used for realizing the mutual of audio signal Conversion, small volume, plug and play, the serial line interface of setting in most computers can be connected, and be not subject to computer cabinet The interference of interior high electromagnetic environment, is that in computer indispensable hardware, therefore range is widely.Outside current USB Put sound card to be connected with computer by usb interface unit, the original sound signal from microphone is changed, by computer even The speaker output connecing.
The external sound card of existing USB is single sound card module, the single function of realization, the effect mode letter that sound is play Single, and can not many people use simultaneously, when needing to realize multimode audio effect, generally require to be simultaneously connected with multiple audio frequency and set Standby, but this can receive the restriction of the fixed port quantity on computer, and also connection line also can be confusing, thus can not be high Efficient realize multimode audio effect.
Utility model content
In order to solve can not expeditiously to realize the technical problem of multimode audio effect, this public affairs present in correlation technique Open and provide a kind of audio frequency apparatus based on alliteration snap gauge group.
This utility model provides a kind of audio frequency apparatus based on alliteration snap gauge group, including:
Controller, the first sound card module and rising tone snap gauge group;Described first sound card module and described rising tone snap gauge group All include interfaces for external devices, audio frequency control module, coder, microphone interface, the first downmixing unit, switch and monitoring to connect Mouthful;In each sound card module, described interfaces for external devices is by described audio frequency control module with the described coder signal of telecommunication even Connect, described audio frequency control module is used for controlling interacting of audio signal between described audio frequency apparatus and described external control device, Described microphone interface is connected with the described coder signal of telecommunication, and described monitoring interface is by described first downmixing unit and described volume The decoder signal of telecommunication connects;Described coder in described first sound card module and the described volume in described rising tone snap gauge group The decoder signal of telecommunication connects;Described monitoring interface in described first sound card module also pass sequentially through described first downmixing unit, Described switch is connected with the described coder signal of telecommunication in described rising tone snap gauge group, described in described first sound card module Microphone interface is also connected with the described coder signal of telecommunication in described rising tone snap gauge group;Described controller and described coding and decoding The signal of telecommunication connects respectively for device, described audio frequency control module, described switch, and described controller is used for controlling described audio frequency control module Carry out signal by described interfaces for external devices and external control device to interact, described controller is used for controlling opening of described switch Pass action, described controller is used for controlling the signal of described coder to flow to, and realizes the signal path of different mode.
Preferably, described coder include the first audio input end, the second audio input end, the 3rd audio input end, 4th audio input end, fifth audio input, the first audio output, the second audio output and the 3rd audio output End;In each sound card module, described first audio input end, described first audio output respectively with described audio frequency control module The signal of telecommunication connects, and described second audio input end is connected with the described microphone interface signal of telecommunication, described second audio output and institute State the fifth audio input signal of telecommunication to connect, described 3rd audio output is connected with the described first downmixing unit signal of telecommunication, institute State the first downmixing unit to be connected with described monitoring interface electric signals, described first downmixing unit is connected with described switched electrical signal; Described 3rd audio output of coder described in described first sound card module also with described rising tone snap gauge group in institute State switched electrical signal to connect, described 3rd audio input end and described second of coder described in described first sound card module The described microphone interface signal of telecommunication in sound card module connects, described second sound of coder described in described first sound card module Frequency outfan is electrically connected with described 4th audio input end of coder described in described rising tone snap gauge group.
Preferably, described first sound card module and described rising tone snap gauge group all include circuit input interface, described compiling Code device also includes the 6th audio input end;In described first sound card module and described rising tone snap gauge group, described circuit input connects Mouth is all connected with the described 6th audio input end signal of telecommunication.
Preferably, described first sound card module and described rising tone snap gauge group all include the second downmixing unit, and described first The quantity of the described microphone interface in sound card module and described rising tone snap gauge group is at least two;In each sound card module, The input of described second downmixing unit is connected with the described microphone interface signal of telecommunication, the outfan of described second downmixing unit and institute State the coder signal of telecommunication to connect;The outfan of described second downmixing unit of coder described in described first sound card module Also it is connected with the described coder signal of telecommunication in described rising tone snap gauge group.
Preferably, described first sound card module and described rising tone snap gauge group all include communication module, described communication module It is connected with the described controller signal of telecommunication;Described communication module is provided with control button, and described communication module is pressed according to described control Button operation on key generates corresponding control instruction.
Preferably, described interfaces for external devices is USB interface.
Preferably, including USB interface, USB Hub chip and usb expansion interface, described first sound card module and described In rising tone snap gauge group, described USB interface and/or described usb expansion interface are all by described USB Hub chip and described audio frequency The control module signal of telecommunication connects.
Preferably, described microphone interface be TRS interface, TRRS interface, RCA interface, XLR interface, optical fiber interface and coaxial One or more of interface.
Preferably, the chip of described audio frequency control module is SN11220 model chip, and the chip of described coder is WM8776 model chip.
The technical scheme that embodiment of the disclosure provides can include following beneficial effect:
This utility model discloses a kind of audio frequency apparatus based on alliteration snap gauge group, including controller, the first sound card module and Rising tone snap gauge group, the first sound card module and rising tone snap gauge group all include interfaces for external devices, audio frequency control module, coding and decoding Device, microphone interface, the first downmixing unit, switch and monitoring interface.In each sound card module, interfaces for external devices passes through audio frequency Control module is connected with the coder signal of telecommunication, and audio frequency control module is used for controlling sound between audio frequency apparatus and external control device The interaction of frequency signal, microphone interface is connected with the coder signal of telecommunication, monitors interface and passes through the first downmixing unit and coder The signal of telecommunication connects;Coder in first sound card module is connected with the coder signal of telecommunication in rising tone snap gauge group;First Interface of monitoring in sound card module also passes sequentially through the coder telecommunications in the first downmixing unit, switch and rising tone snap gauge group Number connect, the microphone interface in the first sound card module is also connected with the coder signal of telecommunication in rising tone snap gauge group;Controller The signal of telecommunication is connected respectively with coder, audio frequency control module, switch, and controller is used for controlling audio frequency control module by external Equipment interface carries out signal with external control device and interacts, and controller is used for the switch motion of controlling switch, and controller is used for controlling The signal flow direction of coder processed, realizes the signal path of different mode.By the audio frequency apparatus based on alliteration snap gauge group, need not It is simultaneously connected with multiple audio frequency apparatuses and can be achieved with multimodal audio frequency effect, connection line is simple, improves and realizes multi-mode sound The efficiency of yupin effect.
It should be appreciated that above general description and detailed description hereinafter are only exemplary, can not be limited this Open.
Brief description
Accompanying drawing herein is merged in description and constitutes the part of this specification, shows the enforcement meeting the present invention Example, and be used for together explaining the principle of the present invention in description.
Fig. 1 is the schematic diagram of the implementation environment according to involved by the disclosure;
Fig. 2 is a kind of block diagram of the audio frequency apparatus based on alliteration snap gauge group according to an exemplary embodiment;
Fig. 3 is a kind of block diagram of the audio frequency apparatus based on alliteration snap gauge group according to an exemplary embodiment;
Fig. 4 is the biography of the voice data of audio frequency apparatus output shown in based on Fig. 3 according to an exemplary embodiment Defeated path schematic diagram;
Fig. 5 is the block diagram of another kind according to the exemplary embodiment audio frequency apparatus based on alliteration snap gauge group;
Fig. 6 is the block diagram of another kind according to the exemplary embodiment audio frequency apparatus based on alliteration snap gauge group.
Specific embodiment
Here in detail explanation will be executed to exemplary embodiment, its example is illustrated in the accompanying drawings.Explained below is related to During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the present invention.On the contrary, they be only with such as appended The example of the consistent apparatus and method of some aspects being described in detail in claims, the present invention.
Fig. 1 is the schematic diagram of the implementation environment according to involved by the disclosure.This implementation environment includes:Audio frequency apparatus 110, extremely A few external control device 120, at least one audio input terminal 130 and at least one audio output terminal 140, this enforcement Audio input terminal 130 in mode can be MP3 player, MP4 player or other audio-frequency playing terminals or There is various mobile intelligent terminals or the mike of AF playing function, mike can be capacitance microphone or Moving-coil mike, in other embodiments, audio input terminal 130 can also be containing TRS (Tip-Ring-Sleeve, three Core plug), TRRS (Tip-Ring-Insulating Rings-Sleeve, four core plugs), RCA (Radio Corporation Of American, Flos Nelumbinis socket) or XLR (Cannon X Series-Latch-Rubber, Cannon plug) circuit output The audio frequency apparatus of interface, in other disclosed embodiments, the implementation of concrete audio input terminal 130 is not subject to the disclosure The restriction of the audio input terminal 130 that all embodiments use.In addition, audio output terminal 140 can be sound equipment, loudspeaker, raise Sound device or earphone etc., specific implementation is not limited by the present embodiment.Audio frequency apparatus 110 and external control device 120 it Between interrelational form, the network associate mode including hardware and/or agreement, and the data association mode come and gone therebetween. Interrelational form between audio frequency apparatus 110 and audio input terminal 130, the network associate mode including hardware and/or agreement, with And the data association mode come and gone therebetween.Interrelational form between audio frequency apparatus 110 and audio output terminal 140, including The network associate mode of hardware and/or agreement, and the data association mode come and gone therebetween.
Fig. 2 is a kind of block diagram of the audio frequency apparatus based on alliteration snap gauge group according to an exemplary embodiment, such as Fig. 2 Shown, the audio frequency apparatus 110 in present embodiment comprises controller 310, the first sound card module 320 and rising tone snap gauge group 330. First sound card module 320 is identical with the structure of rising tone snap gauge group 330.
First sound card module 320 includes the first coder 321, the first audio frequency control module 322, the first external equipment connect Mouth 323, first switch 324, the first microphone interface 325a, the first monitoring interface 325b and the first downmixing unit a 327;The rising tone Snap gauge group 330 includes the second coder 331, the second audio frequency control module 332, the second interfaces for external devices 333, second switch 334th, the second microphone interface 335a, the second monitoring interface 335b and the first downmixing unit b 337.
First interfaces for external devices 323 and the second interfaces for external devices 333 are installed in the surface of audio frequency apparatus 110, pass through First interfaces for external devices 323 and/or the second interfaces for external devices 333, audio frequency apparatus 110 and external control device 120 telecommunications Number connect;
First coder 321 is connected with the second coding and decoding 331 signal of telecommunication, thus the first sound card module 320 and the rising tone Audio signal between snap gauge group 330 can interact.
First audio frequency control module 322 is connected with the first interfaces for external devices 323 signal of telecommunication, the first audio frequency control module 322 are also connected with the first coder 321 signal of telecommunication, the first audio frequency control module 322 be used for controlling audio frequency apparatus 110 with external The interaction of audio signal between control device 120, the first downmixing unit a 327 is connected with the first coder 321 signal of telecommunication, the One microphone interface 325a is connected with the first coder 321 signal of telecommunication.
Second audio frequency control module 332 is connected with the second interfaces for external devices 333 signal of telecommunication, the second audio frequency control module 332 are also connected with the second coder 331 signal of telecommunication, the second audio frequency control module 332 be used for controlling audio frequency apparatus 110 with external The interaction of audio signal between control device 120, the first downmixing unit b 337 is connected with the second coder 331 signal of telecommunication, the Two microphone interface 335a are connected with the second coder 331 signal of telecommunication.Second switch 334 and the first coder 321 signal of telecommunication Connect, the second microphone interface 335a is connected with the first coder 321 signal of telecommunication.
First switch 324 is connected with the second coder 331 signal of telecommunication, the first microphone interface 325a and the second coder 331 signals of telecommunication connect.
The first coder 321 in first sound card module 320, the first audio frequency control module 322, the first external equipment connect Mouth 323, the second coder 331 in rising tone snap gauge group 330, the second audio frequency control module 332, the second interfaces for external devices 333 are all connected with controller 310 signal of telecommunication.
Controller 310 is used for controlling the first audio frequency control module 322 and the second audio frequency control module 332, and then by the One interfaces for external devices 323 and/or the second interfaces for external devices 333, realize interacting with the signal of external control device 120.
Controller 310 is used for controlling first switch 324 and the switch motion of second switch 334, when thus control realization the One sound card module 320 sound intermediate frequency data and the stereo process of rising tone snap gauge group 330 sound intermediate frequency data.
When the first switch 324 that controller 310 controls and second switch 334 are all in off-state, the first sound card mould Group 320 and rising tone snap gauge group 330 all independently carry out the output of voice data, when first switch 324 and/or second switch 334 When being in closure state, the voice data that the sound card module at this switch place exports to two sound card modules carries out stereo process.
Controller 310 is additionally operable to control the signal flow direction of the first coder 321 and the second coder 331, thus real The signal path of existing different mode.
Fig. 3 is a kind of block diagram of the audio frequency apparatus based on alliteration snap gauge group according to an exemplary embodiment, such as Fig. 3 Shown, the first coder 321 in the audio frequency apparatus 110 in present embodiment and the second coder 331 all include first Audio input end, the second audio input end, the 3rd audio input end, the 4th audio input end, fifth audio input, the first sound Frequency outfan, the second audio output and the 3rd audio output.First coder 321 includes the first audio input end 1a, the second audio input end 2a, the 3rd audio input end 3a, the 4th audio input end 4a, fifth audio input 5a, the first sound Frequency outfan 6a, the second audio output 7a and the 3rd audio output 8a;It is defeated that second coder 331 includes the first audio frequency Enter to hold 1b, the second audio input end 2b, the 3rd audio input end 3b, the 4th audio input end 4b, fifth audio input 5b, One audio output 6b, the second audio output 7b and the 3rd audio output 8b.
In first sound card module 320, the first audio input end 1a, the first audio output 6a respectively with the first audio frequency control Module 322 signal of telecommunication connects, and the second audio input end 2a is connected with the first microphone interface 325a signal of telecommunication, the second audio output 7a is connected with the fifth audio input 5a signal of telecommunication, and the 3rd audio output 8a is connected with the first downmixing unit a 327 signal of telecommunication, First downmixing unit a 327 is connected with the first monitoring interface 325b and first switch 324 signal of telecommunication.
In rising tone snap gauge group 330, the first audio input end 1b, the first audio output 6b respectively with the second audio frequency control Module 332 signal of telecommunication connects, and the second audio input end 2b is connected with the second microphone interface 335a signal of telecommunication, the second audio output 7b is connected with the fifth audio input 5b signal of telecommunication, and the 3rd audio output 8b is connected with the first downmixing unit b 337 signal of telecommunication, First downmixing unit b 337 is connected with the second monitoring interface 335b and first switch 324 signal of telecommunication.
The 3rd audio output 8a in first coder 321 is also connected with second switch 334 signal of telecommunication, the first compiling The 3rd audio input end 3a in code device 321 is connected with the second microphone interface 335a signal of telecommunication, and the second of the first coder 321 Audio output 7a is connected with the 4th audio input end 4b signal of telecommunication of the second coder 331.
The 3rd audio output 8b in second coder 331 is also connected with first switch 324 signal of telecommunication, the second compiling The 3rd audio input end 3b in code device 331 is connected with the first microphone interface 325a signal of telecommunication, and the second of the second coder 331 Audio output 7b is connected with the 4th audio input end 4a signal of telecommunication of the first coder 321.
In the present embodiment, by the first audio input end 1a and the first audio output 6a, the first coder 321 Carry out the interaction of voice data with the first audio frequency control module 322, thus by the first interfaces for external devices 323 and external control Equipment 120 signal of telecommunication connects.By the second audio input end 2a, the first coder 321 receives and the first microphone interface 325a Voice data in the microphone connecting.By the 3rd audio input end 3a, the first coder 321 receives and compiles from second Voice data in the microphone that in code device 331, second microphone 335a connects.
The second audio output 7a in first coder 321 exports voice data to fifth audio input 5a, from And the voice data that the first sound card module 320 is play carries out recording operation.
The 4th audio input in the second audio output 7a and the second coder 331 in first coder 321 The end 4b signal of telecommunication connects, the 4th sound in the second audio output 7a and the first coder 321 in the second coder 331 The frequency input terminal 4b signal of telecommunication connects, so that the first sound card module 320 and rising tone snap gauge group 330 carry out the friendship of voice data Mutually.
Fig. 4 is the biography of the voice data of audio frequency apparatus output shown in based on Fig. 3 according to an exemplary embodiment Defeated path schematic diagram.As shown in figure 4, when the first sound card module 320 is in the recording mode of monophone card, the first microphone interface The second audio input end 2a in 325a, the first coder 321, the first audio output 6a sequentially form voice data and lead to Road, receives the voice data in the microphone being connected with the first microphone interface 325a.First sound card module 320 is in monophone card Play mode when, the first audio input end 1a, the 3rd audio output 8a in the first coder 321 and first monitor connect Mouthful 325b sequentially forms audio data path, the voice data play is sent to and the first monitoring interface 325b is connected listens to Equipment.
In the same manner, rising tone snap gauge group 330 be in the recording mode of monophone card and play mode all with the first sound card module 320 Similar.When rising tone snap gauge group 330 is in the recording mode of monophone card, in the second microphone interface 335a, the first coder 331 The second audio input end 2b, the first audio output 6b sequentially form audio data path, receive from connecing with the first microphone Voice data in the microphone that mouth 335a connects.When rising tone snap gauge group 330 is in the play mode of monophone card, the second coding and decoding The first audio input end 1b, the 3rd audio output 8b in device 331 and the first monitoring interface 335b sequentially form voice data Path, is sent to the listening equipment being connected with the first monitoring interface 335b to the voice data play.
When first sound card module 320 and rising tone snap gauge group 330 are in alliteration card mode of operation, the first microphone interface The 3rd audio input end 3b in 325a, rising tone snap gauge group 330 and the 6th audio input end 6b sequentially forms voice data and leads to Road;The 3rd audio input end 3a in second microphone interface 335a, the first sound card module 320 and the 6th audio input end 6a is successively Form audio data path;In first coder 321, the voice data of the 3rd audio output 8a output is through second switch After 334, by the first downmixing unit b together with the voice data of the 3rd audio output 8a output in the first coder 321 337 carry out stereo process, by the second monitoring interface 335b, the voice data after stereo process is sent to and connects with the second monitoring The listening equipment that mouth 335b is connected;In second coder 331, the voice data of the 3rd audio output 8a output is through the After one switch 324, by the first audio mixing list together with the voice data of the 3rd audio output 8b output in the second coder 331 First a 327 carries out stereo process, by the first monitoring interface 325b, the voice data after stereo process is sent to and the first prison Listen the listening equipment that interface 325b is connected.
Below to based on the first coder 321 during each mode of operation of the audio frequency apparatus shown in Fig. 3 and the second coder 331 associated control signal is described.
When the only first sound card module 320 is operated, the signal traffic organising of each interface is as shown in the table:
When only rising tone snap gauge group 330 is operated, the signal traffic organising of each interface is as shown in the table:
When the first sound card module 320 and rising tone snap gauge group 330 are all operated, there are following five kinds of mode of operations, tool Body is:
1) double independent sound card mode of operations, that is, all sound card modules autonomous workings, do not interfere with each other, this situation is equivalent to Two sound card modules in present embodiment are used as two independent sound card modules, the access words of two sound card modules The interface of the interface of cylinder and access earphone is all separate, and recording mode and play mode all work independently.
2) major-minor sound card mode of operation, based on the first sound card module 320, supplemented by rising tone snap gauge group 330, now, first Sound card module 320 is used for interaction of singing, and interaction of singing is on the external control device 120 being connected with the first sound card module 320 Carry out;Rising tone snap gauge group 330 is used for audio effect processing, and audio effect processing is in the external control being connected with rising tone snap gauge group 330 Carry out on equipment 120.
3) major-minor sound card mode of operation, supplemented by the first sound card module 320, based on rising tone snap gauge group 330, now, first Sound card module 320 is used for audio effect processing, and audio effect processing is on the external control device 120 being connected with the first sound card module 320 Carry out;Rising tone snap gauge group 330 is used for interaction of singing, and interaction of singing is in the external control being connected with rising tone snap gauge group 320 Carry out on equipment 120.
4) listening mode is made in alliteration engaging:This pattern is generally used for two-player game, mutually monitors.
5) self-defined mode of operation:Under this pattern, user can be adjusted with oneself in the corresponding button of graphic interface breaker in middle Save corresponding volume.
Preferably, Fig. 5 is another kind according to the exemplary embodiment audio frequency apparatus based on alliteration snap gauge group Block diagram.Based on the audio frequency apparatus 110 shown in Fig. 3, as shown in figure 5, the first sound card module 320 in present embodiment also includes One circuit input interface 328, rising tone snap gauge group 330 also includes the second circuit input interface 338;First coder 321 is also Including the 6th audio input end 9a, the second coder 331 also includes the 6th audio input end 9b.First line input interface 328 and second circuit input interface 338 type be TRS interface, TRRS interface, RCA interface, XLR interface, optical fiber interface and with One or more of axial interface.
By first line input interface 328 and the second circuit input interface 338, realize to the first sound card module 320 He The function of rising tone snap gauge group 330 is extended.
Preferably, Fig. 6 is another kind according to the exemplary embodiment audio frequency apparatus based on alliteration snap gauge group Block diagram.Based on the audio frequency apparatus 110 shown in Fig. 2, as shown in fig. 6, the first sound card module 320 in present embodiment also includes Two downmixing unit a 326, rising tone snap gauge group 330 also includes the second downmixing unit b 336, the first microphone interface 325a and second The quantity of microphone interface 325b is at least two.The input of the second downmixing unit a 326 and in first sound card module 320 The one microphone interface 325a signal of telecommunication connects, and the outfan of the second downmixing unit a 326 and the first coder 321 signal of telecommunication are even Connect, the outfan of two downmixing unit a 326 is also connected with the second coder 331 signal of telecommunication;In rising tone snap gauge group 330 The input of two downmixing unit b 336 is connected with the second microphone interface 335a signal of telecommunication, the outfan of the second downmixing unit a 336 Be connected with the first coder 321 signal of telecommunication, the outfan of the second downmixing unit a 336 also with the second coder 331 telecommunications Number connect.
The second audio mixing list by the second downmixing unit a 326 in the first sound card module 320 and rising tone snap gauge group 330 First b 336, realizes the voice data in two or more microphones is carried out the audio frequency after stereo process, and stereo process Data can be transferred to the first sound card module 320 and rising tone snap gauge group 330.
Preferably, the first sound card module 320 and rising tone snap gauge group 330 all also include communication module, communication module and control Device 310 signal of telecommunication processed connects, and communication module is sent to controller 310 after obtaining control instruction, and then controller 310 is according to control Instruction controls the work of each module.It is provided with control button in communication module, by triggering control button, generate control instruction, And then control the work of the first sound card module 320 and rising tone snap gauge group 330.
Preferably, interfaces for external devices 323 is USB interface.Generally external control device 120 is provided with USB interface, from And pass through USB interface, facilitate interfaces for external devices 323 to be connected with external control device 120.
Optionally, interfaces for external devices 323 includes USB interface, USB Hub and usb expansion interface.First sound card module 320 and rising tone snap gauge group 330 in, USB interface and/or usb expansion interface are all by USB Hub and audio frequency control module 322 The signal of telecommunication connects, and then realizes the extension of USB interface.
Preferably, the type of the first microphone interface 325a and the second microphone interface 335a is TRS interface, TRRS interface, RCA One or more of interface, XLR interface, optical fiber interface and coaxial interface.
Preferably, the chip of the first audio frequency control module 322 and the second audio frequency control module 332 is SN11220 model core Piece, the chip of the first coder 321 and the second coder 331 is WM8776 model chip.
It is described above and precision architecture illustrated in the accompanying drawings it should be appreciated that the invention is not limited in, and And various modifications and changes can executed without departing from the scope.The scope of the present invention only to be limited by appended claim.

Claims (10)

1. a kind of audio frequency apparatus based on alliteration snap gauge group is it is characterised in that include:
Controller, the first sound card module and rising tone snap gauge group;
Described first sound card module and described rising tone snap gauge group all include interfaces for external devices, audio frequency control module, coding and decoding Device, microphone interface, the first downmixing unit, switch and monitoring interface;
In each sound card module, described interfaces for external devices is by described audio frequency control module with the described coder signal of telecommunication even Connect, described audio frequency control module is used for controlling interacting of audio signal between described audio frequency apparatus and described external control device, Described microphone interface is connected with the described coder signal of telecommunication, and described monitoring interface is by described first downmixing unit and described volume The decoder signal of telecommunication connects;
Described coder in described first sound card module and the described coder signal of telecommunication in described rising tone snap gauge group Connect;
Described monitoring interface in described first sound card module also pass sequentially through described first downmixing unit, described switch with described The described coder signal of telecommunication in rising tone snap gauge group connects, the described microphone interface in described first sound card module also with institute The described coder signal of telecommunication stated in rising tone snap gauge group connects;
Described controller is connected with described coder, described audio frequency control module, described switched electrical signal respectively, described control Device is used for controlling described audio frequency control module to carry out signal by described interfaces for external devices and external control device and interacts, described Controller is used for controlling the switch motion of described switch, and described controller is used for controlling the signal of described coder to flow to, real The signal path of existing different mode.
2. the audio frequency apparatus based on alliteration snap gauge group according to claim 1 is it is characterised in that described coder includes First audio input end, the second audio input end, the 3rd audio input end, the 4th audio input end, fifth audio input, One audio output, the second audio output and the 3rd audio output;
In each sound card module, described first audio input end, described first audio output respectively with described audio frequency control mould The block signal of telecommunication connects, and described second audio input end is connected with the described microphone interface signal of telecommunication, described second audio output and The described fifth audio input signal of telecommunication connects, and described 3rd audio output is connected with the described first downmixing unit signal of telecommunication, Described first downmixing unit is connected with described monitoring interface electric signals, and described first downmixing unit is with described switched electrical signal even Connect;
Described 3rd audio output of coder described in described first sound card module also with described rising tone snap gauge group in Described switched electrical signal connect, described 3rd audio input end of coder described in described first sound card module with described The described microphone interface signal of telecommunication in rising tone snap gauge group connects, and described the of coder described in described first sound card module Two audio outputs are electrically connected with described 4th audio input end of coder described in described rising tone snap gauge group.
3. the audio frequency apparatus based on alliteration snap gauge group according to claim 2 is it is characterised in that described first sound card module All include circuit input interface with described rising tone snap gauge group, described coder also includes the 6th audio input end;
In described first sound card module and described rising tone snap gauge group, described circuit input interface all with described 6th audio input The end signal of telecommunication connects.
4. the audio frequency apparatus based on alliteration snap gauge group according to claim 1 is it is characterised in that described first sound card module All include the second downmixing unit, the institute in described first sound card module and described rising tone snap gauge group with described rising tone snap gauge group The quantity stating microphone interface is at least two;
In each sound card module, the input of described second downmixing unit is connected with the described microphone interface signal of telecommunication, and described second The outfan of downmixing unit is connected with the described coder signal of telecommunication;
The outfan of described second downmixing unit of coder described in described first sound card module also with described second sound card The described coder signal of telecommunication in module connects.
5. the audio frequency apparatus based on alliteration snap gauge group according to claim 1 is it is characterised in that described first sound card module All include communication module with described rising tone snap gauge group, described communication module is connected with the described controller signal of telecommunication, described communication Module is sent to described controller after obtaining control instruction, and described controller controls described coder according to described control instruction Work.
6. the audio frequency apparatus based on alliteration snap gauge group according to claim 5 is it is characterised in that described communication module is arranged There is control button, described communication module generates corresponding control instruction according to the button operation in described control button.
7. the audio frequency apparatus based on alliteration snap gauge group according to claim 1 is it is characterised in that described interfaces for external devices For USB interface.
8. the audio frequency apparatus based on alliteration snap gauge group according to claim 1 is it is characterised in that described interfaces for external devices Including USB interface, USB Hub chip and USB expansion interface;
In described first sound card module and described rising tone snap gauge group, described USB interface and/or described USB expansion interface are all logical Cross described USB Hub chip to be connected with described audio frequency control modular telecommunications number.
9. the audio frequency apparatus based on alliteration snap gauge group according to claim 1 is it is characterised in that described microphone interface is One or more of TRS interface, TRRS interface, RCA interface, XLR interface, optical fiber interface and coaxial interface.
10. the audio frequency apparatus based on alliteration snap gauge group according to claim 1 is it is characterised in that described audio frequency control mould The chip of block is SN11220 model chip, and the chip of described coder is WM8776 model chip.
CN201621056627.XU 2016-09-14 2016-09-14 Audio equipment based on alliteration card module Active CN205987327U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107979786A (en) * 2017-11-03 2018-05-01 东莞市美之尊电子科技有限公司 A kind of sound equipment for supporting more USB flash disks and the broadcasting of more bluetooths

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107979786A (en) * 2017-11-03 2018-05-01 东莞市美之尊电子科技有限公司 A kind of sound equipment for supporting more USB flash disks and the broadcasting of more bluetooths

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