CN205788155U - Audio frequency apparatus - Google Patents

Abstract

The utility model discloses a kind of audio frequency apparatus, it includes housing；The multiple audio frequency main bodys being independently arranged in housing；And the audio-frequency bus being arranged in housing, in order to carry out the transmission of audio signal between multiple audio frequency main bodys；Wherein, formed between multiple described audio frequency main bodys and audio-frequency bus bus input channels and bus output channels, bus input channels and bus output channels all with audio-frequency bus signal communication；By bus input channels to audio-frequency bus input by the audio signal of a wherein audio frequency main body input, and by bus output channels, this audio signal transmitted by audio-frequency bus is exported to remaining the audio frequency main body being different from this wherein audio frequency main body.Use audio frequency apparatus of the present utility model to be not only restricted to himself set interface quantity, equipment line can be simplified while producing multiple different audio frequency effect, the operation of convenient user, reduces the use cost of user.

Description

Audio frequency apparatus

Technical field

This utility model relates to Audio Signal Processing field, particularly relates to a kind of audio frequency apparatus.

Background technology

Along with the long-run development of Audio Signal Processing technology, the product type of audio frequency apparatus is a lot, such as, and numeral tuning Platform, synthesizer, sound card etc., the audio signal that different product type is transmitted has different audio frequency effects.

But, for certain specific audio frequency apparatus, audio frequency effect produced by it is the most single, many to produce Kind different audio frequency effects, then need user to possess multiple different audio frequency apparatus, with by multiple different audio frequency apparatus it Between carry out realizing alternately of audio signal.

This necessarily causes user operation loaded down with trivial details and the increase of use cost, and is limited to set by audio frequency apparatus self Interface limited amount, it is only capable of and carries out the mutual of audio signal, meanwhile, in interaction with a number of audio frequency apparatus Necessarily there is also the problem that line is excessively complicated, user operation is loaded down with trivial details.

Utility model content

A purpose of the present utility model is to provide a kind of audio frequency apparatus, and described audio frequency apparatus is not only restricted to himself institute The interface quantity arranged, while producing multiple different audio frequency effect, it is possible to simplifies equipment line, the behaviour of convenient user Make, reduce the use cost of user.

In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is as follows: a kind of audio frequency apparatus, bag Include: housing；Multiple audio frequency main bodys, multiple described audio frequency main bodys are independently arranged in described housing, all can be by outside Acquire audio signal；And audio-frequency bus, it is arranged in described housing, in order to carry out between multiple described audio frequency main bodys The transmission of described audio signal；Wherein, bus input channels and bus are formed between multiple described audio frequency main bodys and audio-frequency bus Output channel, described bus input channels and bus output channels all with described audio-frequency bus signal communication；By described bus Input channel is by the audio signal of a wherein audio frequency main body input and logical by the output of described bus to the input of described audio-frequency bus Road by this audio signal transmitted by described audio-frequency bus output to remaining the audio frequency main body being different from this wherein audio frequency main body.

Further, described housing includes the first housing housing multiple described audio frequency main body and houses described audio-frequency bus The second housing；The first audio frequency that multiple and multiple described audio frequency main body signal accordingly is connected it is provided with on described first housing EBI, described second housing is provided with the second audio bus interface that multiple and described audio-frequency bus signal is connected；Many Individual described first audio bus interface and multiple described second audio bus interface are mutually adapted, described to be formed between Bus input channels and bus output channels.

Further, described first housing is additionally provided with multiple audio interface, with multiple described audio frequency main bodys accordingly Signal connects, and carries out the mutual of audio signal with between external equipment and multiple described audio frequency main body.

Further, described audio frequency apparatus also includes the on & off switch being arranged on described housing, itself and described second audio frequency Bus interface signals connects, when described on & off switch is triggered according to default triggering mode, to connect to described second audio-frequency bus Mouth sends the control instruction corresponding with this default triggering mode, so that described second audio bus interface refers to according to corresponding control Order turns on or turns off the bus input channels and bus output channels formed between itself and described first audio bus interface.

Further, described on & off switch includes input switch key and output switch key, by described input switch key control The conducting of described bus input channels or shutoff, by the conducting of bus output channels described in described output switch key control or Person turns off.

Further, described audio-frequency bus includes bus of recording, and described second audio bus interface includes and described recording The second recording EBI that bus signals connects, the first audio bus interface being mutually adapted with this second audio bus interface Including the first recording EBI, wherein, described recording bus is in order to transmit the audio signal processed through recording；Described first, Second recording EBI transmits between described audio frequency main body with for the audio signal processed through recording.

Further, described audio-frequency bus includes monitoring bus, and described second audio bus interface includes and described monitoring The second monitoring EBI that bus signals connects, the first audio bus interface being mutually adapted with this second audio bus interface Including the first monitoring EBI, wherein, described monitoring bus is in order to transmit audio signal to be monitored；Described first, second Monitor EBI to transmit between described audio frequency main body with for audio signal to be monitored.

Further, described audio-frequency bus includes storing bus, and described second audio bus interface includes and described storage The second storage bus interfaces that bus signals connects, the first audio bus interface being mutually adapted with this second audio bus interface Including the first storage bus interfaces, wherein, described storage bus is in order to transmit audio signal to be stored；Described first, second Storage bus interfaces transmits between described audio frequency main body with for audio signal to be stored.

Further, described audio frequency apparatus also include the first memory element of being connected with described audio frequency main running signal and with institute Stating the second memory element of audio-frequency bus signal communication, wherein, described first memory element is in order to pass in described audio frequency main body Defeated audio signal stores；Described second memory element is in order to the audio frequency letter to be stored of transmission on described audio-frequency bus Number store.

Further, described audio frequency apparatus also includes power supply unit, to power himself and/or described external equipment.

Further, the type of the audio signal of described audio-frequency bus transmission is single-ended analog audio signal, difference analogue Any one in audio signal or digital audio and video signals.

Further, described audio frequency main body includes interface controller unit, and it is connected to described first audio bus interface And between audio interface, accord with described audio interface in order to carry out the digital audio and video signals of described first audio bus interface transmitting-receiving Mutual conversion between the signal that the host-host protocol closed matches.

Further, described audio frequency main body also includes codec unit, its be connected to described first audio bus interface with Between interface controller unit, carry out analog digital conversion with the single-ended analog audio signal to described first audio bus interface transmitting-receiving Process or digital-to-analogue conversion processes.

Further, described audio frequency main body also includes difference Transmit-Receive Unit and differential conversion unit, and wherein, described difference is received Bill unit is connected between described first audio bus interface and differential conversion unit, to receive described first audio bus interface The difference analogue audio signal sent out is received and dispatched；Described differential conversion unit is connected with described codec unit signal, in order to right The described difference analogue audio signal that the transmitting-receiving of described difference Transmit-Receive Unit obtains carries out differential conversion.

Further, described audio frequency main body also includes audio effect processing unit and recoding unit, wherein, described audio effect processing list Unit carries out audio effect processing to the audio signal of transmission to described audio frequency main body；Described recoding unit is to transmission to described audio frequency main body Audio signal carry out recording process.

Compared with prior art, this utility model has the advantages that

By audio frequency apparatus arranges multiple audio frequency main body and the audio frequency being connected with multiple audio frequency main body signals accordingly EBI so that can have the audio signal of different audio frequency effect between multiple audio frequency main bodys alternately, this audio signal is Utilize audio-frequency bus to obtain alternately between multiple audio frequency main bodys as public passage, not only avoid in prior art certain The defect that audio frequency effect produced by specific audio frequency apparatus is the most single, simplify the most simultaneously audio signal mutual time loaded down with trivial details Operation, facilitates the transmission of audio signal, reduces the use cost of user.

Accompanying drawing explanation

Fig. 1 a is the structured flowchart of the audio frequency apparatus of an embodiment；

Fig. 1 b is the structured flowchart of the audio frequency apparatus of another embodiment；

Fig. 2 is the structured flowchart of the audio frequency apparatus of another embodiment；

Fig. 3 is Fig. 1 a, Fig. 1 b or the structured flowchart of Fig. 2 sound intermediate frequency main body.

Detailed description of the invention

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement Example, is described in further detail this utility model.Should be appreciated that specific embodiment described herein is only in order to explain This utility model, is not used to limit this utility model.

Referring to Fig. 1 a, in one embodiment, a kind of audio frequency apparatus 100 includes: housing 110, arrange independently of each other Multiple audio frequency main bodys 120 in housing 110 and the audio-frequency bus 140 being arranged in housing 110.

Wherein, each audio frequency main body 120 all can receive microphone signal, can be to the audio signal of transmission to audio frequency main body 120 Monitor, music signal can be received and the output of above-mentioned signal can be carried out recording or audio effect processing to external equipment. One basic audio frequency main body 120 may is that sound card, bluetooth module, wireless audio transceiver, sound console etc. possess audio frequency letter The equipment of number input and output.

Further, audio frequency main body 120 can include audio effect processing unit and recoding unit.Audio effect processing unit is to transmission Audio signal to audio frequency main body 120 carries out audio effect processing.The audio signal of transmission to audio frequency main body 120 is carried out by recoding unit Recording processes, and thus can not rely on recording or the audio effect processing of external equipment, with the function of abundant audio frequency apparatus 100.

Audio that audio signal is carried out by the audio frequency main body being appreciated that in the audio frequency apparatus of different product type or Recording etc. process produced audio frequency effect by otherwise varied.In the present embodiment, multiple audio frequency main bodys 120 can correspond respectively to not With the audio frequency main body in the audio frequency apparatus of product type, ensure that multiple audio frequency main body can will have different audio frequency effect with this Audio signal exports to external equipment.

Audio-frequency bus 140 is in order to carry out the transmission of audio signal between multiple audio frequency main bodys 120.Audio-frequency bus 140 can To be the unique audible bus for all audio signal transmission, it is also possible to a plurality of audio frequency corresponding to different audio signals is total Line, such as, the audio signal processed through recording can be transmitted by recording bus, and audio signal to be monitored is then total by monitoring Line is transmitted.

The type of audio signal of audio-frequency bus 140 transmission be single-ended analog audio signal, difference analogue audio signal or Any one in person's digital audio and video signals, to adapt to the demand of different application scene.Such as, what monitoring bus was transmitted waits to supervise The audio signal listened is single-ended analog audio signal.

Inputted by the audio signal that wherein an audio frequency main body 120 inputs to audio-frequency bus 140 by bus input channels, and By bus output channels, this audio signal transmitted by audio-frequency bus 140 is exported to being different from this wherein audio frequency main body Remaining audio frequency main body 120 of 120.

Arranged by as above, between multiple audio frequency main bodys 120, can have the audio frequency of different audio frequency effect alternately Signal, this audio signal utilizes audio-frequency bus 140 to obtain alternately between multiple audio frequency main bodys 120 as public passage, Not only avoid the defect that in prior art, audio frequency effect produced by certain specific audio frequency apparatus is the most single, the most simultaneously letter Changed audio signal mutual time loaded down with trivial details operation, facilitate the transmission of audio signal, reduce the use cost of user.

Referring to Fig. 1 b, in one embodiment, housing 110 includes the first housing 111 He housing multiple audio frequency main body 120 House the second housing 112 of audio-frequency bus 140.

Further, audio frequency apparatus 100 as above also includes: be arranged on the first housing 111 is multiple and multiple The first audio bus interface 150 and being arranged on the second housing 112 that audio frequency main body 120 signal accordingly connects is provided with Multiple the second audio bus interface 160 being connected with audio-frequency bus 140 signal.

The type of first, second audio bus interface 150,160 depends on the product type of mutual audio frequency main body 120, Such as, when mutual audio frequency main body 120 is sound card module, first, second audio bus interface 150,160 can be 3.5mm sound Frequently interface.

Correspondingly, for same audio frequency main body 120, first, second audio bus interface 150,160 can also be Unique or multiple, such as, the second audio bus interface 160 of recording bus signals connection and the first adaptive therewith sound Frequently EBI 150 is recording EBI, monitors the second audio bus interface 160 of bus signals connection and fits therewith The first audio bus interface 150 joined is monitoring EBI.

As it has been described above, the first audio bus interface 150 that multiple audio frequency main body 120 signals connect is all total by the second audio frequency Line interface 160 is connected with audio-frequency bus 140 signal, and audio-frequency bus 140 is as transmitting audio signal between multiple audio frequency main bodys 120 Public passage.

In other words, each audio frequency main body 120 only can occupied one in order to connect the of the second audio bus interface 160 One audio bus interface 150 can realize the mutual of audio signal, and in order to transmit the audio-frequency bus of mutual audio signal 140 are incorporated in housing 110, make the most succinct mutual, the transmission of the audio signal between audio frequency main body 120 more just with this Victory, and line is simplified.

In the present embodiment, the first housing 111 and the splicing of the second housing 112 obtain housing 110, by setting as above Putting, first, second audio bus interface 150,160 is arranged on housing 110, it is achieved that user can be more neatly One, it is mutually adapted between the second audio bus interface 150,160, meets user's demand in different application scene with this.

Further, audio frequency apparatus 100 as above also includes: be arranged at the multiple audio frequency on the first housing 111 Interface 130, is connected with multiple audio frequency main body 120 signals accordingly, with for external equipment 200 and multiple audio frequency main bodys 120 it Between carry out the mutual of audio signal.

Input channel and the output channel of audio signal it is integrated with, for audio signal audio frequency master in audio interface 130 Input and output between body 120 and external equipment 200.

That is, on the one hand, the audio frequency main body 120 of audio frequency apparatus 100 is by audio interface 130 and external equipment 200 Carry out the mutual of audio signal.In interaction, different audio frequency main bodys 120 both can with different external equipments 200 respectively Alternately, it is also possible to the most mutual with same external equipment 200.Mutual audio signal the most both can be original audio signal, Such as, without the voice of audio effect processing, it is also possible to be the audio signal processed through audio frequency main body 120, such as, through audio The music processed.

On the other hand, the audio frequency main body 120 of audio frequency apparatus 100 is by the first audio bus interface 150 and remaining audio frequency master Body 120 carries out the mutual of audio signal.This remaining audio frequency main body 120 both can be the multiple audio frequency in different audio frequency apparatus 100 Main body 120, it is also possible to be the multiple audio frequency main bodys 120 in same audio frequency apparatus 100.The audio signal of transmission is equally mutually It is original audio signal, it is also possible to be the audio signal processed through audio frequency main body 120.

Being arranged by as above, external equipment 200 can get to be had not by what different audio frequency main bodys 120 exported With the audio signal of audio frequency effect, thus avoid audio frequency effect phase produced by certain specific audio frequency apparatus in prior art To single defect.In other words, the audio frequency apparatus 100 in the present embodiment is used to produce the same of multiple different audio frequency effect Time, also simplify equipment line, the convenient operation of user, reduces the use cost of user.

In one embodiment, audio frequency apparatus 100 as above also includes power supply unit, with to himself and/or outside Equipment is powered.

Generally, the external interface quantity of external equipment is limited, such as, and the USB interface of smart mobile phone, once this USB Interface is occupied, it is likely that have influence on the charge function of smart mobile phone.

Arranged by as above, audio frequency apparatus 100 carries power supply unit, is set with outside by audio frequency apparatus 100 The standby audio interface connected, power supply unit will carry out normal power supply to external equipment.In other words, setting by power supply unit Putting, audio signal can not only be inputted to external equipment by audio frequency apparatus 100, also simultaneously can set for himself and/or outside Available electricity, enriches the function of audio frequency apparatus 100 with this.

Preferably, as it is shown in figure 1, in one embodiment, audio-frequency bus 140 includes bus of recording, and the second audio-frequency bus connects Mouth 160 includes the second recording EBI being connected with recording bus signals, is mutually adapted with this second audio bus interface 160 The first audio bus interface 150 include the first recording EBI.

Wherein, recording bus is in order to transmit the audio signal processed through recording.

First, second recording EBI transmits between audio frequency main body 120 with for the audio signal processed through recording.

Specifically, recording EBI is integrated with recording bus input channels and recording bus output channels, bus of recording Input channel all connects with recording bus signals with recording bus output channels.

Inputted, by audio frequency main body 120, the audio frequency processed through recording to recording bus input by recording bus input channels to believe Number, and will be exported to being different from by this audio signal processed through recording of recording bus transfer by recording bus output channels Remaining audio frequency main body 120 of this audio frequency main body 120, is for further processing for remaining audio frequency main body 120, includes but not limited to record Sound process, audio effect processing etc..

It is to say, by the recording bus arranged, in this recording bus, the audio signal through recording process of transmission is i.e. Can be received by remaining audio frequency main body 120, it is to avoid excessively complicated the asking of line in prior art sound intermediate frequency signal interaction Topic.

Further, audio interface 130 includes microphone interface and/or music interface.

Wherein, microphone interface 131 is integrated with microphone signal input channel and microphone signal output channel, and microphone signal inputs The passage microphone signal input inputted for external equipment 200 carries out recording process to audio frequency main body 120, and microphone signal exports Passage exports to external equipment 200 with for the microphone signal processed through audio frequency main body 120 recording.

Music interface 131 is integrated with music signal input channel and music signal output channel, music signal input channel Recording process, music signal output channel is carried out to audio frequency main body 120 with the music signal input inputted for external equipment 200 Export to external equipment 200 with for the music signal processed through audio frequency main body 120 recording.

It can be that external equipment 200 is logical by microphone signal input that audio frequency main body 120 carries out the audio signal of recording process Road inputs the original microphone signal to this audio frequency main body 120, can be that external equipment 200 is defeated by music signal input channel Enter the original music signal to this audio frequency main body 120, it is also possible to be another audio frequency main body being different from this audio frequency main body 120a 120b inputs the audio frequency letter processed through recording or audio etc. to this audio frequency main body 120a by audio frequency interactive interface 140 Number.

It is to say, external equipment 200 can by microphone interface and/or the integrated microphone signal of music interface 131 and/ Or original audio signal (microphone signal and/or music signal) input entered by music signal input channel to audio frequency main body 120a Row recording processes, and the audio signal processed through audio frequency main body 120a recording can be exported by microphone signal and/or music signal Passage exports to external equipment 200, it is also possible to transmitted to remaining audio frequency main body 120b work further by recording interactive interface 141 Export again after process to external equipment 200 so that original audio signal can be by audio frequency main bodys different in audio frequency apparatus 100 120 carry out different disposal, produce the audio signal with different audio frequency effect with this.Preferably, as it is shown in figure 1, implement one In example, audio-frequency bus 140 includes monitoring bus, and the second audio bus interface 160 includes second be connected with monitoring bus signals Monitoring EBI, the first audio bus interface 150 being mutually adapted with this second audio bus interface 160 includes the first monitoring EBI.

Wherein, bus is monitored in order to transmit audio signal to be monitored.

First, second monitors EBI transmits between audio frequency main body 120 with for audio signal to be monitored.

Specifically, monitor EBI and be integrated with monitoring bus input channels and monitor bus output channels, monitor bus Input channel all connects with monitoring bus signals with monitoring bus output channels.

Audio signal to be monitored is inputted to monitoring bus input by audio frequency main body 120 by monitoring bus input channels, And will be exported to being different from this audio frequency by this audio signal to be monitored monitoring bus transfer by monitoring bus output channels Remaining audio frequency main body 120 of main body 120, monitors for remaining audio frequency main body 120.

It is to say, by the monitoring bus arranged, in this monitoring bus, the audio signal to be monitored of transmission i.e. can Monitored by remaining audio frequency main body 120, it is to avoid the problem that in prior art sound intermediate frequency signal interaction, line is excessively complicated.

Further, audio interface 130 includes monitoring interface, transmits in audio frequency main body 120 with for external equipment 200 Audio signal monitor.

The audio signal that external equipment 200 is listened to can be the audio signal processed through recording, can be through audio The audio signal processed, it is also possible to be original audio signal.

It is to say, monitor EBI by monitoring bus and first, second so that permissible in audio frequency main body 120 Obtain that remaining audio frequency main body 120 transmits treats that external equipment 200 carries out the audio signal monitored, and this audio signal can be straight Connecting monitoring interface makes external equipment 200 listen to, it is also possible to again by monitoring after being for further processing by audio frequency main body 120 Interface makes external equipment 200 listen to so that the audio signal that external equipment 200 listens to can be by multiple audio frequency main bodys 120 audio signals carrying out different disposal, with this ensure audio frequency apparatus 100 can produce have different audio frequency effect audio frequency letter Number.

Preferably, as it is shown in figure 1, in one embodiment, audio-frequency bus 140 includes storing bus, and the second audio-frequency bus connects The second storage bus interfaces that mouth 160 includes and storage bus signals is connected, is mutually adapted with this second audio bus interface 160 The first audio bus interface 150 include the first storage bus interfaces.

Wherein, storage bus is in order to transmit audio signal to be stored.

First, second storage bus interfaces transmits between audio frequency main body 120 with for audio signal to be stored.

Specifically, storage bus interfaces is integrated with storage bus input channels and storage bus output channels, stores bus Input channel all connects with storage bus signals with storage bus output channels.

Audio signal to be stored is inputted to storage bus input by audio frequency main body 120 by storage bus input channels, And will be exported to being different from this audio frequency by this audio signal to be stored of storage bus transfer by storage bus output channels Remaining audio frequency main body 120 of main body 120, stores for remaining audio frequency main body 120.

It is to say, by the storage bus arranged, in this storage bus, the audio signal to be stored of transmission i.e. can Stored by remaining audio frequency main body 120, it is to avoid the problem that in prior art sound intermediate frequency signal interaction, line is excessively complicated.

Further, audio interface 130 includes that memory interface, memory interface are integrated with storage input channel and storage output Passage.The storage input channel audio signal inputted for external equipment 200 stores to audio frequency main body 120, and storage output is logical Road exports to external equipment 200 with for the audio signal of storage in audio frequency main body 120.

Further, in one embodiment, audio frequency apparatus 100 as above also includes and audio frequency main body 120 signal The first memory element of connecting and with the second memory element of audio-frequency bus 140 signal communication.

Wherein, the first memory element is in order to store the audio signal of transmission in audio frequency main body 120.

The audio frequency that the existing external equipment of audio signal 200 of storage in the first memory element is inputted in real time by memory interface Signal, the audio signal also transmitted by audio-frequency bus 140 between audio frequency main body 120.

In other words, external equipment 200 can obtain, by the first memory element, the audio frequency that different external equipment is inputted Signal, additionally it is possible to obtain audio signal mutual between multiple audio frequency main bodys 120 in audio frequency apparatus 100, effectively enrich sound Frequently there is produced by equipment 100 audio signal of different audio frequency effect.

Share it should be noted that the first memory element can be multiple audio frequency main body 120, it is also possible to be for each Audio frequency main body 120 is separately provided.

Second memory element is in order to store the audio signal to be stored of transmission on audio-frequency bus 140.

On the one hand, the audio signal to be stored of audio frequency main body 120 input can be stored to second by storage bus Memory element, on the other hand, the audio signal to be stored of audio frequency main body 120 input can also be transmitted by storage bus Store to remaining the audio frequency main body 120 being different from this audio frequency main body 120.

In other words, it is defeated that the audio signal that audio frequency main body 120 is carried out storing both may come from remaining audio frequency main body 120 The audio signal to be stored entered, it is also possible to come from the input of the memory element of external equipment 200, enrich audio frequency with this The function of equipment 100, improves the utilization rate of audio frequency apparatus 100, expands the application scenarios of audio frequency apparatus 100.

Refering to Fig. 2, in one embodiment, audio frequency apparatus 100 as above also includes the switch being arranged on housing 110 Key 170, it is connected with the second audio bus interface 160 signal, with when on & off switch 170 is triggered according to default triggering mode, The control instruction corresponding with this default triggering mode is sent to the second audio bus interface 160, so that the second audio bus interface 160 turn on or turn off, according to the control instruction of correspondence, the bus input formed between itself and the first audio bus interface 150 leads to Road and bus output channels.

Such as, on & off switch 170 is the button being arranged on housing 110, presses the button expression conducting first, second audio frequency total The bus input channels formed between line interface 150,160 and bus output channels.

Specifically, default triggering mode can be to press the button and sprung push buttons.

If presetting triggering mode for pressing the button, then corresponding with this default triggering mode control instruction makes first, the The bus input channels formed between two audio bus interface 150,160 and bus output channels are switched on.

Otherwise, if presetting triggering mode is sprung push buttons, then corresponding with this default triggering mode control instruction makes the One, bus input channels and the bus output channels formed between the second audio bus interface 150,160 is turned off.

Certainly, on & off switch 170 can also is that the switching function that has of other forms such as toggle switch or slide switch Secondary or physical bond.

It is noted that on & off switch 170 can also be connected with the first audio bus interface 150 signal, so that the first sound Frequently EBI 150 according to corresponding control instruction conducting or turns off formation between itself and the second audio bus interface 160 Bus input channels and bus output channels.Or, on & off switch 170 is believed with first, second audio bus interface 150,160 respectively Number connect, detailed process as it has been described above, be not repeated at this describe.

Further, on & off switch 170 includes input switch key and output switch key, defeated by input switch key control bus Enter conducting or the shutoff of passage, by conducting or the shutoff of output switch key control bus output channels.

Arranged by as above, it is achieved that to first, second audio bus interface 150,160 and audio-frequency bus 140 Between the conducting of transmission channel and the flexible control turned off, make the audio signal between audio frequency main body 120 mutual further More succinctly, transmission is more convenient.

As it was previously stated, the type of the audio signal of audio-frequency bus 140 transmission is single-ended analog audio signal, difference analogue sound Frequently any one in signal or digital audio and video signals.It is appreciated that the audio frequency letter that the first audio bus interface 150 is transmitted Number type can also be above-mentioned any one.

Based on this, referring to Fig. 3, in one embodiment, audio frequency main body 120 includes interface controller unit 121.

This interface controller unit 121 is connected between the first audio bus interface 150 and audio interface 130, in order to enter The letter that the host-host protocol that the digital audio and video signals of row the first audio bus interface 150 transmitting-receiving and audio interface 130 meet matches Mutual conversion between number.

Such as, audio interface 130 is the USB interface in computer, and accordingly, the host-host protocol that USB interface meets is USB Bus protocol, interface controller unit 121 is usb interface controller unit.By usb interface controller unit, then can be by The digital audio and video signals of the first audio bus interface 150 transmitting-receiving is converted to the signal that matches with usb bus agreement, is beneficial to the Signal between one audio bus interface 150 and USB interface is mutual.

Additionally, digital audio and video signals is before input to interface controller unit 121, it is also possible to by audio frequency main body 120 Audio effect processing unit carry out audio effect processing, be beneficial to audio frequency apparatus 100 and produce different audio frequency effects.

Further, as it is shown on figure 3, audio frequency main body 120 as above also includes codec unit 122.

This codec unit 122 is connected between the first audio bus interface 150 and interface controller unit 121, with right The single-ended analog audio signal of the first audio bus interface 150 transmitting-receiving carries out analog-to-digital conversion process or digital-to-analogue conversion processes.

It is appreciated that, on the one hand, the single-ended analog audio frequency that the first audio bus interface 150 is received by codec unit 122 Signal carries out analog digital conversion, and on the other hand, codec unit 122 is by the single-ended analog audio signal transmission after digital-to-analogue conversion to One audio bus interface 150 is transmitted.

Being arranged by as above, the single-ended analog audio signal that the first audio bus interface 150 receives both can be led to Cross monitoring interface directly to export and monitor for external equipment 200, it is also possible to carried out analog-to-digital conversion process by codec unit 122, And export again to external equipment 200 after the audio effect processing unit in audio frequency main body 120 carries out audio effect processing, both enriched with this The application scenarios of audio frequency apparatus 100, also helps audio frequency apparatus 100 and produces different audio frequency effects.

Further, as it is shown on figure 3, audio frequency main body 120 as above also includes difference Transmit-Receive Unit 123 and difference Converting unit 124.

Wherein, difference Transmit-Receive Unit 123 is connected between the first audio bus interface 150 and differential conversion unit 124, with The difference analogue audio signal of audio frequency interactive interface transmitting-receiving is received and dispatched.

Differential conversion unit 124 is connected with codec unit 122 signal, in order to obtain difference Transmit-Receive Unit 123 transmitting-receiving Difference analogue audio signal carry out differential conversion.

Differential conversion is i.e. the conversion carried out between difference analogue audio signal and single-ended analog audio signal.One side Face, the difference analogue audio signal that difference Transmit-Receive Unit 123 is received by differential conversion unit 124 is converted to single-ended analog audio frequency letter Number, on the other hand, the difference analogue audio signal transmission that differential conversion unit 124 will be converted to by single-ended analog audio signal It is transmitted to difference Transmit-Receive Unit 123.

It is noted that audio frequency main body 120 is gone back between difference Transmit-Receive Unit 123 and the first audio bus interface 150 Another differential conversion unit (not shown) can be set, with the single-ended analog sound to the first audio bus interface 150 transmitting-receiving Frequently signal carries out differential conversion, forms the difference analogue audio signal for difference Transmit-Receive Unit 123 transmitting-receiving.By as above Arrange, be effectively improved the noiseproof feature that between audio frequency main body 120 and the first audio bus interface 150, signal is mutual.

Foregoing, preferred embodiment the most of the present utility model, it is not intended to limit embodiment of the present utility model, Those of ordinary skill in the art, according to central scope of the present utility model and spirit, can carry out corresponding accommodation very easily Or amendment, therefore protection domain of the present utility model should be as the criterion with the protection domain required by claims.

Claims (10)

1. an audio frequency apparatus, it is characterised in that including:

Housing；

Multiple audio frequency main bodys, multiple described audio frequency main bodys are independently arranged in described housing；And

Audio-frequency bus, is arranged in described housing, in order to carry out the transmission of audio signal between multiple described audio frequency main bodys；Its In,

Forming bus input channels and bus output channels between multiple described audio frequency main bodys and audio-frequency bus, described bus inputs Passage and bus output channels all with described audio-frequency bus signal communication；

By described bus input channels to the input of described audio-frequency bus by the audio signal of a wherein audio frequency main body input, and lead to Cross described bus output channels to export this audio signal transmitted by described audio-frequency bus to being different from this wherein audio frequency master Remaining audio frequency main body of body.

2. audio frequency apparatus as claimed in claim 1, it is characterised in that described housing includes housing multiple described audio frequency main body First housing and the second housing of the described audio-frequency bus of collecting；

It is provided with the first audio-frequency bus that multiple and multiple described audio frequency main body signal accordingly is connected on described first housing to connect Mouthful, described second housing is provided with the second audio bus interface that multiple and described audio-frequency bus signal is connected；Multiple described First audio bus interface and multiple described second audio bus interface are mutually adapted, defeated to form described bus between Enter passage and bus output channels；

It is additionally provided with multiple audio interface on described first housing, is connected with multiple described audio frequency main body signals accordingly, in order to For carrying out the mutual of audio signal between external equipment and multiple described audio frequency main body.

3. audio frequency apparatus as claimed in claim 2, it is characterised in that described audio frequency apparatus also includes being arranged on described housing On & off switch, it is connected with described second audio bus interface signal, to be touched according to default triggering mode at described on & off switch When sending out, send the control instruction corresponding with this default triggering mode to described second audio bus interface, so that described second sound Frequently EBI according to corresponding control instruction conducting or turn off formed between itself and described first audio bus interface total Line input channel and bus output channels.

4. audio frequency apparatus as claimed in claim 3, it is characterised in that described on & off switch includes input switch key and output switch Key, by conducting or the shutoff of bus input channels described in described input switch key control, by described output switch keying Make conducting or the shutoff of described bus output channels.

5. audio frequency apparatus as claimed in claim 2, it is characterised in that described audio-frequency bus includes bus of recording, described second Audio bus interface includes the second recording EBI being connected with described recording bus signals, with this second audio bus interface The first audio bus interface being mutually adapted includes the first recording EBI, wherein,

Described recording bus is in order to transmit the audio signal processed through recording；

Described first, second recording EBI passes between described audio frequency main body with for the audio signal processed through recording Defeated.

6. audio frequency apparatus as claimed in claim 2, it is characterised in that described audio-frequency bus includes monitoring bus, described second Audio bus interface includes the second monitoring EBI being connected with described monitoring bus signals, with this second audio bus interface The first audio bus interface being mutually adapted includes the first monitoring EBI, wherein,

Described monitoring bus is in order to transmit audio signal to be monitored；

Described first, second monitors EBI transmits between described audio frequency main body with for audio signal to be monitored.

7. audio frequency apparatus as claimed in claim 2, it is characterised in that described audio-frequency bus includes storing bus, described second Audio bus interface includes the second storage bus interfaces being connected with described storage bus signals, with this second audio bus interface The first audio bus interface being mutually adapted includes the first storage bus interfaces, wherein,

Described storage bus is in order to transmit audio signal to be stored；

Described first, second storage bus interfaces transmits between described audio frequency main body with for audio signal to be stored.

8. audio frequency apparatus as claimed in claim 1, it is characterised in that described audio frequency apparatus also includes believing with described audio frequency main body Number the first memory element connected and with the second memory element of described audio-frequency bus signal communication, wherein,

Described first memory element is in order to store the audio signal of transmission in described audio frequency main body；

Described second memory element is in order to store the audio signal to be stored of transmission on described audio-frequency bus.

9. audio frequency apparatus as claimed in claim 1, it is characterised in that described audio frequency apparatus also includes power supply unit, with to it Self and/or external equipment are powered.

10. audio frequency apparatus as claimed in claim 1, it is characterised in that the type of the audio signal of described audio-frequency bus transmission For any one in single-ended analog audio signal, difference analogue audio signal or digital audio and video signals.