CN207475842U - Sound card is broadcast live in a kind of external radio - Google Patents
Sound card is broadcast live in a kind of external radio Download PDFInfo
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- CN207475842U CN207475842U CN201721438455.7U CN201721438455U CN207475842U CN 207475842 U CN207475842 U CN 207475842U CN 201721438455 U CN201721438455 U CN 201721438455U CN 207475842 U CN207475842 U CN 207475842U
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Abstract
The utility model discloses a kind of external radios to be broadcast live sound card, including sound pick up equipment, sound card host and sound card slave；The first audio signal of sound pick up equipment acquisition user is simultaneously wirelessly sent to sound card host；Sound card host receives the second audio signal that smart machine terminal wireless is sent, and after the first audio signal and the second audio signal are carried out encoding and decoding and audio mixing amplification, exports recorded audio signals and is wirelessly sent to sound card slave；Sound card slave is transmitted to smart machine terminal and is recorded or be broadcast live after being decoded to recorded audio signals；Third audio signal in smart machine terminal is sent to sound card host by sound card slave, and sound card host carries out audio monitoring after amplification is decoded to third audio signal.Since sound pick up equipment, sound card host and sound card slave are connected not over connecting line, user using when can arbitrarily put, so as to solve the limitation of the distance of existing line sound card, often plug and wave and loose contact occur or the problem of plug is worn.
Description
Technical field
The utility model is related to smart machine field of terminal technology, more particularly to a kind of external radio live streaming sound card.
Background technology
Common live streaming sound card currently on the market, mainly by radio reception head signal, signal passes through with treated in a wired fashion
Numerous and diverse connecting line is connected in each live streaming smart machine terminal.Connecting line excessively influences the convenience used, has distance to limit
And occupy desktop area.Meanwhile line plug is often plugged and is waved and is susceptible to loose contact or plug abrasion, influences live streaming effect
Fruit or the service life of connecting line, purchase connecting line again increases user cost again.
Therefore, it is necessary to the prior art is improved.
Utility model content
Part in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of external radio live streaming sound
There is loose contact or plug abrasion to solve the problem of that existing wired sound card has distance limitation often to plug and wave in card.
In order to achieve the above object, the utility model takes following technical scheme：
Sound card is broadcast live in a kind of external radio, is connect with smart machine terminal, including sound pick up equipment, sound card host and sound card
Slave；
The first audio signal of the sound pick up equipment acquisition user is simultaneously wirelessly sent to sound card host；Sound card host receives
First audio signal and the second audio signal are carried out encoding and decoding and mixed by the second audio signal that smart machine terminal wireless is sent
After sound amplification, export recorded audio signals and be wirelessly sent to sound card slave；Sound card slave is transmitted to after being decoded to recorded audio signals
Smart machine terminal is recorded or is broadcast live；Third audio signal in smart machine terminal is sent to sound card master by sound card slave
Machine, sound card host carry out audio monitoring after amplification is decoded to third audio signal；
The sound card host wireless connection sound pick up equipment and sound card slave, sound card slave connection smart machine terminal.
In the external radio live streaming sound card, the sound pick up equipment includes sound pick-up, wireless transmitter module and first day
Line；
The sound pick-up exports corresponding first audio signal and passes through wireless transmitter module for acquiring voice and ambient sound
Sound card host is transmitted to through first antenna；
The sound pick-up, wireless transmitter module, first antenna are sequentially connected, first antenna and sound card host wireless connection.
In the external radio live streaming sound card, the sound card host includes receiving module, processing module, the first two-way biography
Defeated wireless module and the first dual-mode antenna；
The receiving module is used to receive the first audio signal of first antenna transmitting and smart machine terminal wireless is sent
The second audio signal, to being transferred to processing module after the first audio signal and the second audio signal operation amplifier；The processing
Module exports recorded audio signals after carrying out coding and decoding, audio mixing to the first audio signal and the second audio signal；First transmitted in both directions
Recorded audio signals are wirelessly sent to sound card slave by wireless module by the first dual-mode antenna；The first transmitted in both directions wireless module
The third audio signal of sound card slave transmission is also received by the first dual-mode antenna, processing module solves third audio signal
Pile up big rear progress audio monitoring；
The receiving module is connect with sound pick up equipment wireless connection, with smart machine terminal Bluetooth；Processing module connects
Receive module and the first transmitted in both directions wireless module, the first transmitted in both directions wireless module by the first dual-mode antenna and sound card slave without
Line connects.
In the external radio live streaming sound card, the receiving module includes the second antenna, third antenna, wireless receiving electricity
Road, bluetooth receiving circuit, the first amplifier and the second amplifier；
Second antenna is used to receive the first audio signal of first antenna transmitting；Wireless receiving circuit is by the first audio
Signal transmission is exported after carrying out operation amplifier to the first amplifier to processing module；The bluetooth receiving circuit receives third antenna
The second audio signal transmission to the second amplifier carry out operation amplifier after export to processing module；
Second antenna and first antenna wireless connection, wireless receiving circuit connects the second antenna and the first amplifier, blue
Tooth receiving circuit connects third antenna and the second amplifier, the first amplifier and the second amplifier are all connected with processing module.
In the external radio live streaming sound card, the processing module includes first processor, second processor and output
Processing unit；
The second processor carries out signal processing to the second audio signal；First processor is to the first audio signal and place
The second audio signal after reason generates audio signal after carrying out coding and decoding, audio mixing；First processor divides audio signal to two-way
Output extremely output processing unit；The output processing unit exports recorded audio signals after carrying out operation amplifier to first via audio signal
To the first transmitted in both directions wireless module, output Low ESR audio signal is supervised after power amplification is carried out to the second tunnel audio signal
It listens；
The first processor connects the first amplifier, second processor and output processing unit, second processor connection the
Two amplifiers.
In described external radio live streaming sound card, the output processing unit include third amplifier, four high guaily unit, power amplifier,
First recording output port, the first audio input port and audio output port；
The third amplifier carries out the first via audio signal operation amplifier high impedance, output port of recording by first is defeated
Go out recorded audio signals；Recorded audio signals are sent to sound card slave by the first transmitted in both directions wireless module by the first dual-mode antenna；Power amplifier
After carrying out power amplification to the second tunnel audio signal, generation Low ESR audio signal is exported from audio output port；
The third amplifier connection first processor and the first recording output port, four high guaily unit connect the first audio input
Port and power amplifier, power amplifier connection first processor and audio output port, the first recording output port and the first audio input end
Mouth is all connected with the first transmitted in both directions wireless module.
In the external radio live streaming sound card, the sound card slave includes the second transmitted in both directions wireless module, the second record
Sound output port, the second audio input port, audio select port and the second dual-mode antenna；
Second dual-mode antenna receive the recorded audio signals that the first dual-mode antenna is sent and be transferred to the second transmitted in both directions without
Wire module；After second transmitted in both directions wireless module is decoded recorded audio signals, exported by the second recording output port to intelligence
Energy device end is recorded or is broadcast live；The third audio signal transmission that second audio input port exports smart machine terminal
To the second transmitted in both directions wireless module；Third audio signal is divided two-way to export by the second transmitted in both directions wireless module, is passed through all the way
Second dual-mode antenna is transmitted to sound card host, and another way directly exports to monitor audio through audio select port；
The second recording of second transmitted in both directions wireless module connection output port, the second audio input port, audio prison
Listen port and the second dual-mode antenna；Second recording output port and the second audio input port are all connected with smart machine terminal.
In the external radio live streaming sound card, the processing module further includes control panel and special efficacy memory；
The control panel transfers the special efficacy voiceband data signal in special efficacy memory according to the operation selection of user, the
Two processors are decoded special efficacy voiceband data signal coded transmission to first processor, and first processor is by special efficacy audio
Data-signal carries out audio mixing with the first audio signal of input and the second audio signal；
The control panel connects first processor, special efficacy memory connection second processor.
In the external radio live streaming sound card, the processing module further includes instruction component, for showing audio input
The high low state of output level and battery capacity；
The instruction component connection first processor.
Compared to the prior art, sound card is broadcast live in external radio provided by the utility model, is connect with smart machine terminal, wraps
Include sound pick up equipment, sound card host and sound card slave；The first audio signal of sound pick up equipment acquisition user is simultaneously wirelessly sent to sound
Card host；Sound card host receives the second audio signal that smart machine terminal wireless is sent, by the first audio signal and the second sound
After frequency signal carries out encoding and decoding and audio mixing amplification, export recorded audio signals and be wirelessly sent to sound card slave；Sound card slave is to recording
Signal is transmitted to smart machine terminal and is recorded or be broadcast live after being decoded；Sound card slave is by the third in smart machine terminal
Audio signal is sent to sound card host, and sound card host carries out audio monitoring after amplification is decoded to third audio signal.Due to
Sound pick up equipment, sound card host and sound card slave are connected not over connecting line, user using when can arbitrarily put, so as to solve
It has determined the distance limitation of existing line sound card, has often plugged and wave and the problem of loose contact or plug are worn occur.
Description of the drawings
Fig. 1 is the structure diagram that sound card is broadcast live in the external radio that the utility model embodiment provides.
Fig. 2 is that the structure of sound pick up equipment and sound card host in sound card is broadcast live in the external radio that the utility model embodiment provides
Block diagram.
Fig. 3 is the structure diagram that sound card slave in sound card is broadcast live in the external radio that the utility model embodiment provides.
Fig. 4 is the audio-frequency processing method flow chart that sound card is broadcast live in the external radio that the utility model embodiment provides.
Specific embodiment
The utility model provides a kind of external radio live streaming sound card, suitable for intelligence such as portable personal mobile phone, tablet, computers
It can device end；It crosses wireless audio frequency transmission function mode and carries out sound card main body and slave wireless connection, slave connects with intelligent terminal
It connects, realizes sound card host and intelligent terminal indirectly（Such as mobile phone, tablet, computer）Wireless connection；To avoid wired sound
The distance limitation of card and loose contact problem.To make the purpose of this utility model, technical solution and effect clearer, clear and definite,
The utility model is further described in the embodiment that develops simultaneously referring to the drawings.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
Referring to Fig. 1, a kind of external radio live streaming sound card provided by the utility model includes sound pick up equipment 10, sound card host
20 and sound card slave 30, the sound card host wireless connection sound pick up equipment 10 and sound card slave 30, sound card slave connection intelligence is set
Standby terminal.When it is implemented, sound pick up equipment 10, sound card host 20 and sound card slave 30 are independent equipment respectively.Sound pick up equipment
10 it is wearable held in the shirtfront of user or user, sound card slave 30 and smart machine terminal pass through interface grafting, sound card
Host 20 can be placed on the desktop of user's attachment.Sound pick up equipment 10 acquires the first audio signal of user and is wirelessly sent to
Sound card host 20；Sound card host 20 receives the second audio signal that smart machine terminal wireless is sent, by the first audio signal and
After second audio signal carries out encoding and decoding and audio mixing amplification, export recorded audio signals and be wirelessly sent to sound card slave 30；Sound card pair
Machine 30 is transmitted to smart machine terminal and is recorded or be broadcast live after being decoded to recorded audio signals.Sound card slave 30 will also intelligently be set
Third audio signal in standby terminal is sent to sound card host 20, after sound card host 20 is decoded amplification to third audio signal
Carry out audio monitoring.Since sound pick up equipment 10, sound card host 20 are connected with sound card slave 30 not over connecting line, user makes
Used time will not be limited by the length of connecting line, will not occupy desktop area；Solves the distance limitation of existing line sound card, often
It plugs and waves and the problem of loose contact or plug abrasion occur.
Also referring to Fig. 2, in the present embodiment, the sound pick up equipment 10 includes sound pick-up 110, wireless transmitter module 120
With first antenna 130；The sound pick-up 110, wireless transmitter module 120, first antenna 130 are sequentially connected, first antenna 130 with
20 wireless connection of sound card host.The sound pick-up 110 leads to for acquiring voice and ambient sound, corresponding first audio signal of output
It crosses wireless transmitter module 120 and is transmitted to sound card host 20 through first antenna 130.Preferably, the wireless transmitter module 120 uses
2.4G wireless technologys are emitted, then 2.4G wireless transmitter modules can be used in wireless transmitter module 120（Model such as JF24D-TX）.
First antenna 130 corresponds to transmitting antenna.Sound pick-up 110 realizes wireless microphone by 2.4G（Receive voice and external sound）
Function.
The sound card host 20 includes receiving module 210, processing module 220, the first transmitted in both directions wireless module 230（Tool
There are 2.4G bi-directional synchronization audio transmission radio transmission-receiving functions）With the first dual-mode antenna 240；The receiving module 210 is filled with pickup
It puts 10 wireless connections, connect with smart machine terminal Bluetooth；Processing module 220 connects 210 and first transmitted in both directions of receiving module
Wireless module 230, the first transmitted in both directions wireless module 230 pass through the first dual-mode antenna 240 and 30 wireless connection of sound card slave.Institute
Receiving module 210 is stated for receiving the first audio signal of the transmitting of first antenna 130 and smart machine terminal wireless is sent the
Two audio signals, to being transferred to processing module 220 after the first audio signal and the second audio signal operation amplifier.The processing mould
Block 220 exports recorded audio signals after carrying out coding and decoding, audio mixing to the first audio signal and the second audio signal.First transmitted in both directions
Recorded audio signals are wirelessly sent to sound card slave 30 by wireless module 230 by the first dual-mode antenna 240.First transmitted in both directions
Wireless module 230 receives the third audio signal of 30 transmission of sound card slave by the first dual-mode antenna 240, and processing module 220 is right
Third audio signal carries out audio monitoring after being decoded amplification.
The receiving module 210 includes the second antenna 211, third antenna 212, wireless receiving circuit 213, bluetooth and receives electricity
Road 214, the first amplifier 215（Operational amplifier）With the second amplifier 216；Second antenna 211 wirelessly connects with first antenna 130
It connects, wireless receiving circuit 213 connects the second antenna 211 and the first amplifier 215, and bluetooth receiving circuit 214 connects third antenna 212
With the second amplifier 216, the first amplifier 215 and the second amplifier 216 are all connected with processing module 220.
Second antenna 211 is the reception antenna matched with first antenna 130, is emitted for receiving first antenna 130
The first audio signal.The wireless receiving circuit 213 is corresponded to using 2.4G wireless technologys, that the second antenna 211 is received
One audio signal transmission gives the first amplifier 215, the first amplifier 215 to be exported after carrying out operation amplifier to the first audio signal to processing
Module 220.The bluetooth receiving circuit 214（Bluetooth wireless audio transmission module can be used）That third antenna 212 is received
Two audio signals（It is sent out by the bluetooth of smart machine terminal）The second amplifier 216 is transferred to, the second amplifier 216 believes the second audio
Number carry out operation amplifier after export to processing module 220.
The processing module 220 includes first processor 221, second processor 222 and output processing unit 223；It is described
First processor 221 connects the first amplifier 215, second processor 222 and output processing unit 223, second processor 222 and connects
Second amplifier 216.First processor 221 and second processor 222 use DSP（Digital Signal Processing）
Processor.The second processor 222 mainly carries out signal processing to the second audio signal（Such as will accompaniment signal and special efficacy sound into
The processing of row mixing）.First processor 221 first audio signal and treated the second audio signal are carried out coding and decoding,
Audio signal is generated after audio mixing.The audio signal of generation is divided two-way to export to output processing by the MCU of 221 kernel of first processor
Unit 223.Described export after processing unit 223 carries out the first via audio signal operation amplifier exports recorded audio signals to first pair
To transmission wireless module 230, Low ESR audio signal is exported to monitor after power amplification is carried out to the second tunnel audio signal.
The output processing unit 223 includes third amplifier 2231, four high guaily unit 2232, power amplifier（Power amplifier）
2233rd, the first recording output port 2234, the first audio input port 2235 and audio output port 2236；The third amplifier
The 2231 connection recording output ports 2234 of first processors 221 and first, four high guaily unit 2232 connect the first audio input port
2235 and power amplifier 2233, power amplifier 2233 connects first processor 221 and audio output port 2236, the first recording output port
2234 and first audio input port 2235 be all connected with the first transmitted in both directions wireless module 230.
First via audio signal by 223 operation amplifier high impedance of third amplifier, pass through first recording output port 2234
Export recorded audio signals.Recorded audio signals are sent to sound card pair by the first transmitted in both directions wireless module 230 by the first dual-mode antenna 240
Machine 30.After second tunnel audio signal carries out power amplification by power amplifier 2233, Low ESR audio signal is generated from audio output
Mouth 2236 exports；Second tunnel is to export monitoring signal as wired standby port, to realize wired and wireless while compatible work(
Energy.
Also referring to Fig. 3, the sound card slave 30 includes the recording output of the second transmitted in both directions wireless module 310, second
Port 320, the second audio input port 330（Connect the interface of smart machine terminal exports audio signal）, audio select port
340 and second dual-mode antenna 350.Second recording of the connection of second transmitted in both directions wireless module 310 output port 320, second
Audio input port 330,340 and second dual-mode antenna 350 of audio select port；Second recording 320 and second sound of output port
Frequency input terminal mouth 330 is all connected with smart machine terminal.
Second dual-mode antenna 350 receives the recorded audio signals that the first dual-mode antenna 240 is sent and to be transferred to second two-way
Transmit wireless module 310.After second transmitted in both directions wireless module 310 is decoded recorded audio signals, exported by the second recording
Port 320, which is exported to smart machine terminal, is recorded or is broadcast live use.Second audio input port 330 is by smart machine terminal
In third audio signal transmission two-way is divided to export to the second transmitted in both directions wireless module 310；Pass through the second dual-mode antenna all the way
350 are transmitted to the first dual-mode antenna 240 of sound card host, and another way directly exports through audio select port 340 and monitors audio.
In further embodiment, the processing module 220 further includes control panel 224 and special efficacy memory 225；The control
Panel 224 processed connects first processor 221, and special efficacy memory 225 connects second processor 222.User is according to usage scenario
And demand, it selects to transfer the special efficacy voiceband data signal in special efficacy memory 225 on control panel 224（Specially：Control plane
Plate is second processor to be controlled to read the special efficacy audio data in special efficacy memory by the MCU circuits in first processor to believe
Number）, after being decoded coding to special efficacy voiceband data signal by second processor 222, with above-mentioned first audio signal and
Two audio signals carry out audio mixing through first processor 221, and signal processing later is identical with the processing of above-mentioned audio signal, to reach
To the effect for adjusting atmosphere.
In further embodiment, the control panel 224 can also predefine function according to user and carry out operation realization institute
The big minor adjustment of audio input needed, the big minor adjustment of audio output and the functions such as audio effect selection, special efficacy sound effect selection, to the
Audio signal in one processor 221 carries out corresponding control.In the specific implementation, user passes through on push panel
Button（Or control icon）, the electronic sound volume in input corresponding control instruction control first processor carry out various audio controls
System.First processor coordinates first processor and second processor carries out co-ordination as master controller.
In further embodiment, the processing module 220 further includes instruction component 226, instruction component 226 connection the
One processor 221.The instruction component 226 includes level indicating component and electric quantity indicating component.Level indicating component is used to show
Show that first processor 221 carries out audio signal after decoding the high low state of audio input output level of operation acquisition.Electricity refers to
Show component for real-time display battery capacity.
It is main broadcaster with user please continue to refer to Fig. 1 and Fig. 2, the external radio live streaming sound card is with the live streaming of mobile phone row
Example, operation principle are：
The sound of main broadcaster and the ambient sound of surrounding are acquired by sound pick-up 110, and the first audio signal of output is through wireless
Transmitting module 120（2.4G）Emit from first antenna 130 to the second antenna 211.First audio signal passes through 211 quilt of the second antenna
Wireless receiving circuit 212（2.4G）It receives, then first processor 221 is input to after amplifying by 215 signal of the first amplifier.
Bluetooth receiving circuit 214 receives the second audio signal that mobile phone is sent out by bluetooth（It such as accompanies signal）, through second
Amplifier 216 is sent into second processor 222 after amplifying and carries out signal processing.Treated, and the second audio signal passes through I2C
（Inter-Integrated Circuit）In bus transfer to first processor 221, encoded with the first audio signal,
Two-way is divided to export after decoding and mixing.
Operation amplifier is carried out in first via audio signal to third amplifier 2231, again by the first recording output port 2234
Export recorded audio signals.First transmitted in both directions wireless module 230 sends recorded audio signals by the first dual-mode antenna 240.Sound card pair
Second transmitted in both directions wireless module 310 of machine 30 receives recorded audio signals by the second dual-mode antenna 350 and is decoded.Second record
Sound output port 320 exports decoded recorded audio signals and is recorded or be broadcast live use to smart machine terminal.
After second tunnel audio signal carries out power amplification by power amplifier 2233, Low ESR audio signal is generated from audio output
The output of port 2236 carries out wireless monitor acoustical quality.
Third audio signal（Such as the sound of client seen live in mobile phone）It is transferred to by the second audio input port 330
Two-way is divided to export after second transmitted in both directions wireless module 310.Emitted all the way by the second dual-mode antenna 350, the first dual-mode antenna
The first transmitted in both directions wireless module 230 is transmitted to after 240 receptions to be decoded；It is transmitted to by the first audio input port 2235
Operation amplifier in four high guaily unit 2232 enters back into export from audio output port 2236 after power amplification in power amplifier 2233 and carries out sound
Effect is monitored.Another way directly exports through audio select port 340 and monitors audio.
It finally realizes between external radio live streaming sound card and sound pick up equipment, sound card and accompaniment input is broadcast live in external radio
Between, external radio live streaming sound card and slave（It is equivalent to smart machine terminal）Between double-direction radio, full Wireless function.
Sound card is broadcast live based on above-mentioned external radio, the utility model also provides a kind of audio of external radio live streaming sound card
Processing method, referring to Fig. 4, the audio-frequency processing method includes：
S10, sound pick up equipment acquire the first audio signal of user and are wirelessly sent to sound card host；
S20, sound card host receive the second audio signal that smart machine terminal wireless is sent, by the first audio signal and the
After two audio signals carry out encoding and decoding and audio mixing amplification, export recorded audio signals and be wirelessly sent to sound card slave；
S30, sound card slave are transmitted to smart machine terminal and are recorded or be broadcast live after being decoded to recorded audio signals.
Third audio signal in smart machine terminal is sent to sound card host by S40, sound card slave, and sound card host is to
Three audio signals carry out audio monitoring after being decoded amplification.
In conclusion external radio live streaming sound card provided by the utility model, can acquire voice and ambient sound, pass through bluetooth
Realize the input of wireless accompaniment, wireless accompaniment carries out audio mixing with voice, special efficacy sound；Pass through the two-way 2.4G lossless audios of wireless synchronization
Transmission mode realizes sound card host and the wireless connection of sound card slave, and the connection of slave and intelligent terminal makes sound card master indirectly
Machine and intelligent terminal（Such as mobile phone, tablet, computer）Connection.
This radio connection relieves the constraint of connecting line, so as to which user be allow to carry out dancing live streaming；It avoids
Existing wired sound card experience fully shows user and self lacks because wired impede can not carry out intelligence and art dancing live streaming performance
It falls into, convenient for users to realizing that dancing synchronous radio in side monitors effect and the experience of internet terminal bean vermicelli dialogue interaction.Also facilitate
User connect live streaming, wireless monitor, wireless entertaining special efficacy with mobile phone wireless, enriches audio, commonly uses one key shortcut key of audio
Switching；Dual chip number and background sound special efficacy sound autonomous channel technical finesse realization, which are dodged, waits Premium Features.Pure hardware audio tune
Section.Since sound card is broadcast live by processor in the external radio（MCU+DSP）, operational amplifier, power amplifier, each port, each receive
The height such as Power Generation Road becomes one（It is integrated on a circuit board）, reduce connection circuit, with more portability, can be miniature
Change, integrated level is high and power consumption is low, realizes low-power consumption, is more suitable for miniaturized products.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model
Scope of the claims.
Claims (9)
1. sound card is broadcast live in a kind of external radio, it is connect with smart machine terminal, which is characterized in that including sound pick up equipment, sound card master
Machine and sound card slave；
The first audio signal of the sound pick up equipment acquisition user is simultaneously wirelessly sent to sound card host；Sound card host receives intelligence
First audio signal and the second audio signal are carried out encoding and decoding and audio mixing are put by the second audio signal of device end wireless transmission
After big, export recorded audio signals and be wirelessly sent to sound card slave；Sound card slave is transmitted to intelligence after being decoded to recorded audio signals
Device end is recorded or is broadcast live；Third audio signal in smart machine terminal is sent to sound card host by sound card slave,
Sound card host carries out audio monitoring after amplification is decoded to third audio signal；
The sound card host wireless connection sound pick up equipment and sound card slave, sound card slave connection smart machine terminal.
2. sound card is broadcast live in external radio according to claim 1, which is characterized in that the sound pick up equipment include sound pick-up,
Wireless transmitter module and first antenna；
The sound pick-up exports corresponding first audio signal by wireless transmitter module through for acquiring voice and ambient sound
One antenna is transmitted to sound card host；
The sound pick-up, wireless transmitter module, first antenna are sequentially connected, first antenna and sound card host wireless connection.
3. sound card is broadcast live in external radio according to claim 2, which is characterized in that the sound card host includes receiving mould
Block, processing module, the first transmitted in both directions wireless module and the first dual-mode antenna；
The receiving module is used to receive the first audio signal of first antenna transmitting and smart machine terminal wireless is sent the
Two audio signals, to being transferred to processing module after the first audio signal and the second audio signal operation amplifier；The processing module
Recorded audio signals are exported after carrying out coding and decoding, audio mixing to the first audio signal and the second audio signal；First transmitted in both directions is wireless
Recorded audio signals are wirelessly sent to sound card slave by module by the first dual-mode antenna；The first transmitted in both directions wireless module is also logical
It crosses the first dual-mode antenna and receives the third audio signal that sound card slave is sent, processing module is decoded third audio signal and puts
Audio monitoring is carried out after big；
The receiving module is connect with sound pick up equipment wireless connection, with smart machine terminal Bluetooth；Processing module connection receives mould
Block and the first transmitted in both directions wireless module, the first transmitted in both directions wireless module are wirelessly connected by the first dual-mode antenna and sound card slave
It connects.
4. sound card is broadcast live in external radio according to claim 3, which is characterized in that the receiving module includes second day
Line, third antenna, wireless receiving circuit, bluetooth receiving circuit, the first amplifier and the second amplifier；
Second antenna is used to receive the first audio signal of first antenna transmitting；Wireless receiving circuit is by the first audio signal
It is transferred to after the first amplifier carries out operation amplifier and exports to processing module；The bluetooth receiving circuit third antenna is received
Two audio signal transmissions are exported after carrying out operation amplifier to the second amplifier to processing module；
Second antenna and first antenna wireless connection, wireless receiving circuit connects the second antenna and the first amplifier, bluetooth connect
It receives circuit connection third antenna and the second amplifier, the first amplifier and the second amplifier is all connected with processing module.
5. sound card is broadcast live in external radio according to claim 4, which is characterized in that the processing module includes the first processing
Device, second processor and output processing unit；
The second processor carries out signal processing to the second audio signal；After first processor is to the first audio signal and processing
The second audio signal carry out coding and decoding, generate audio signal after audio mixing；Audio signal is divided two-way to export by first processor
To output processing unit；Described export after processing unit carries out the first via audio signal operation amplifier export recorded audio signals to the
One transmitted in both directions wireless module, output Low ESR audio signal is monitored after power amplification is carried out to the second tunnel audio signal；
The first processor connects the first amplifier, second processor and output processing unit, the second fortune of second processor connection
It puts.
6. sound card is broadcast live in external radio according to claim 5, which is characterized in that the output processing unit includes third
Amplifier, four high guaily unit, power amplifier, the first recording output port, the first audio input port and audio output port；
The third amplifier carries out the first via audio signal operation amplifier high impedance, by the first recording output port output record
Sound signal；Recorded audio signals are sent to sound card slave by the first transmitted in both directions wireless module by the first dual-mode antenna；Power amplifier is to
After two tunnel audio signals carry out power amplification, generation Low ESR audio signal is exported from audio output port；
The third amplifier connection first processor and the first recording output port, four high guaily unit connect the first audio input port
And power amplifier, power amplifier connection first processor and audio output port, the first recording output port and the first audio input port are equal
Connect the first transmitted in both directions wireless module.
7. sound card is broadcast live in external radio according to claim 6, which is characterized in that it is two-way that the sound card slave includes second
Transmit wireless module, the second recording output port, the second audio input port, audio select port and the second dual-mode antenna；
Second dual-mode antenna receives the recorded audio signals that the first dual-mode antenna is sent and is transferred to the wireless mould of the second transmitted in both directions
Block；After second transmitted in both directions wireless module is decoded recorded audio signals, is exported to intelligence and set by the second recording output port
Standby terminal is recorded or is broadcast live；The third audio signal transmission that second audio input port exports smart machine terminal is to the
Two transmitted in both directions wireless modules；Third audio signal is divided two-way to export by the second transmitted in both directions wireless module, passes through second all the way
Dual-mode antenna is transmitted to sound card host, and another way directly exports to monitor audio through audio select port；
The second recording of second transmitted in both directions wireless module connection output port, the second audio input port, audio select end
Mouth and the second dual-mode antenna；Second recording output port and the second audio input port are all connected with smart machine terminal.
8. sound card is broadcast live in external radio according to claim 5, which is characterized in that the processing module further includes control plane
Plate and special efficacy memory；
The control panel transfers special efficacy voiceband data signal in special efficacy memory according to the operation selection of user, at second
Reason device is decoded special efficacy voiceband data signal coded transmission to first processor, and first processor is by special efficacy audio data
Signal carries out audio mixing with the first audio signal of input and the second audio signal；
The control panel connects first processor, special efficacy memory connection second processor.
9. sound card is broadcast live in external radio according to claim 6, which is characterized in that the processing module further includes key group
Part, for showing the high low state of audio input output level and battery capacity；
The instruction component connection first processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721438455.7U CN207475842U (en) | 2017-11-01 | 2017-11-01 | Sound card is broadcast live in a kind of external radio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721438455.7U CN207475842U (en) | 2017-11-01 | 2017-11-01 | Sound card is broadcast live in a kind of external radio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207475842U true CN207475842U (en) | 2018-06-08 |
Family
ID=62262253
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721438455.7U Withdrawn - After Issue CN207475842U (en) | 2017-11-01 | 2017-11-01 | Sound card is broadcast live in a kind of external radio |
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| Country | Link |
|---|---|
| CN (1) | CN207475842U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107547986A (en) * | 2017-11-01 | 2018-01-05 | 贵州奥斯科尔科技实业有限公司 | A kind of live sound card of external radio and its audio-frequency processing method |
| CN111200774A (en) * | 2018-11-18 | 2020-05-26 | 北京塞宾科技有限公司 | Bluetooth sound card |
-
2017
- 2017-11-01 CN CN201721438455.7U patent/CN207475842U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107547986A (en) * | 2017-11-01 | 2018-01-05 | 贵州奥斯科尔科技实业有限公司 | A kind of live sound card of external radio and its audio-frequency processing method |
| CN107547986B (en) * | 2017-11-01 | 2024-02-23 | 贵州奥斯科尔科技实业有限公司 | External wireless live broadcast sound card and audio processing method thereof |
| CN111200774A (en) * | 2018-11-18 | 2020-05-26 | 北京塞宾科技有限公司 | Bluetooth sound card |
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