CN211015469U - Outdoor wireless live broadcast sound card - Google Patents
Outdoor wireless live broadcast sound card Download PDFInfo
- Publication number
- CN211015469U CN211015469U CN202020100449.6U CN202020100449U CN211015469U CN 211015469 U CN211015469 U CN 211015469U CN 202020100449 U CN202020100449 U CN 202020100449U CN 211015469 U CN211015469 U CN 211015469U
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- sound card
- live broadcast
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- 238000012545 processing Methods 0.000 claims abstract description 23
- 230000005236 sound signal Effects 0.000 claims abstract description 14
- 230000003321 amplification Effects 0.000 claims description 13
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 18
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Abstract
The utility model provides an outdoor wireless live broadcast sound card, which comprises a live broadcast mobile phone, a sound card shell and a main control circuit board arranged in the sound card shell, wherein a DSP processing module, a wireless transmitting module and a wireless receiving module are arranged in the main control circuit board, and the DSP processing module is connected with and controls the wireless transmitting module and the wireless receiving module; the live broadcast mobile phone is connected with the mobile phone adapter, and the mobile phone adapter is in wireless connection with the wireless transmitting module and the wireless receiving module in the main control circuit board. The utility model discloses an inside wireless transmitting module and the wireless receiving module of this live sound card realize wireless transmission with the cell-phone adapter, and the audio signal that wireless transmitting module sent is received to the cell-phone receiving module in the accessible adapter of live cell-phone also.
Description
Technical Field
The utility model relates to a sound card technical field especially relates to an outdoor wireless live sound card.
Background
With the rapid development of the mobile internet technology, the internet entertainment content and the form are continuously diversified, for example, in internet entertainment scenes such as network singing, network main broadcasting and the like, an external live broadcast sound card generally used by a user is used as auxiliary equipment to match with a mobile terminal to perform karaoke or live broadcast, so that better tone quality and rich sound effect are obtained, and a better entertainment effect is obtained.
At present, the existing external live broadcast sound card is provided with 4 or more than 4 audio input and output ports respectively; the earphone monitors the mouth, the microphone input port, accompanies the input port, cell-phone input and output port (a passageway is realized), comes external devices such as adaptation cell-phone, earphone, microphone and the musical instrument of accompanying to enter into the sound card and follow the sound card end output with realizing the audio frequency through each audio input output interface. Each audio input and output port of the external live sound card is in a wired connection mode, the operation is complex, and the limitation of the use environment is large. Some external live broadcast sound cards with wireless Bluetooth functions appear in the market, and the accompaniment channels of the sound cards adopt built-in Bluetooth modules to realize wireless transmission of accompaniment input channels; the microphone channel adopts an externally-hung receiver to realize wireless transmission of the microphone channel, but the input and output ports of the sound card and the mobile phone still adopt a line connection mode, so that wireless transmission cannot be realized. Therefore, there is a need for optimization and improvement of existing external sound cards.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, and provide an outdoor wireless live broadcast sound card, the audio signal that wireless transmitting module sent is received to the cell-phone receiving module in the live broadcast cell-phone accessible adapter, and cell-phone transmitting module in also accessible adapter sends wireless receiving module with the recording signal that the cell-phone microphone acquireed for this live broadcast sound card can realize wireless transmission with the live broadcast cell-phone, and then realizes sound card and live broadcast cell-phone wireless transmission.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an outdoor wireless live broadcast sound card comprises a live broadcast mobile phone, a sound card shell and a main control circuit board arranged in the sound card shell, wherein a DSP processing module, a wireless transmitting module and a wireless receiving module are arranged in the main control circuit board, and the DSP processing module is connected with and controls the wireless transmitting module and the wireless receiving module; the live broadcast mobile phone is connected with a mobile phone adapter, and the mobile phone adapter is wirelessly connected with a wireless transmitting module and a wireless receiving module in the main control circuit board; this DSP processing module still is connected with microphone preceding stage amplification module and accompaniments musical instrument preceding stage amplification module respectively, microphone preceding stage amplification module is connected with the microphone, accompaniments musical instrument preceding stage amplification module is connected with accompaniments musical instrument.
In the above structure, the mobile phone adapter includes a mobile phone receiving module, a mobile phone transmitting module and a mobile phone interface terminal, the mobile phone interface terminal is used for being plugged in an audio interface or a charging interface of the mobile phone, and the mobile phone receiving module is used for performing wireless data communication with the wireless transmitting module and receiving an audio signal sent by the wireless transmitting module; the mobile phone transmitting module can send the sound recording signals acquired by the mobile phone microphone to the wireless receiving module and transmit the sound recording signals to the DSP processing module.
In the above structure, the wireless transmitting module and the wireless receiving module can also adopt an externally-hung receiver to be wirelessly connected with the mobile phone adapter.
The beneficial effects of the utility model reside in that: the utility model discloses improve traditional sound card and cell-phone wired transmission's mode, realize wireless transmission through the inside wireless transmitting module and the wireless receiving module of this live sound card and cell-phone adapter, the audio signal that wireless transmitting module sent is received to the cell-phone receiving module in the accessible adapter of live cell-phone also, also can send wireless receiving module and transmit to DSP processing module with the recording signal that the cell-phone microphone obtained through the cell-phone transmitting module in the adapter, make this live sound card and live cell-phone can realize wireless transmission, do not receive the containment of connecting wire, the user can carry out outdoor wireless live broadcast at certain distance within range, it is simple and convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a sound card casing according to the present invention;
fig. 2 is a block diagram of the live sound card of the present invention.
In the figure: the mobile phone comprises a sound card shell 1, a microphone 2, an accompanying instrument 3, a DSP processing module 11, a wireless transmitting module 12, a wireless receiving module 13, a microphone pre-stage amplifying module 14, an accompanying instrument pre-stage amplifying module 15, a microphone pre-stage signal adjusting module 16, a mobile phone receiving module 21 and a mobile phone transmitting module 22.
Detailed Description
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the utility model discloses an outdoor wireless live broadcast sound card, including sound card casing 1 and set up the main control circuit board in sound card casing 1, be equipped with DSP processing module 11, wireless transmitting module 12 and wireless receiving module 13 in the main control circuit board, DSP processing module 11 connects and controls wireless transmitting module 12 and wireless receiving module 13.
Preferably, the live broadcast mobile phone 2 is connected with a mobile phone adapter, and the mobile phone adapter is wirelessly connected with the wireless transmitting module 12 and the wireless receiving module 13 in the main control circuit board. More specifically, the mobile phone adapter includes a mobile phone receiving module 21, a mobile phone transmitting module 22, and a mobile phone interface terminal (not shown), where the mobile phone interface terminal is used for being plugged in an audio interface or a charging interface of the mobile phone, and the mobile phone receiving module 21 is used for performing wireless data communication with the wireless transmitting module 12 in the main control circuit board 6 and receiving an audio signal sent by the wireless transmitting module; the live broadcast mobile phone can also send the recording signal obtained by the mobile phone microphone to the wireless receiving module through the mobile phone transmitting module 22 and transmit the recording signal to the DSP processing module; the audio signal is obtained by mixing the sound collected by the microphone 1 and the background music of the accompaniment instrument 2, and the DSP processing module 11 sends the mixed audio signal to the mobile phone receiving module 21 of the mobile phone adapter through the wireless transmitting module 62, so that the live sound card and the live mobile phone can realize wireless transmission.
Preferably, the DSP processing module 11 is further connected to a microphone pre-amplification module 14 and an accompaniment instrument pre-amplification module 15, respectively, the microphone 1 is connected to the microphone pre-amplification module 14 through a transmission line, and the accompaniment instrument 3 is connected to the accompaniment instrument pre-amplification module 15 through a transmission line. The microphone 2 can also adopt an externally-hung or internally-arranged Bluetooth receiver to realize wireless transmission of a microphone channel, and the accompaniment instrument 3 can also adopt an internally-arranged wireless Bluetooth module and a live sound card to realize wireless transmission of an accompaniment input channel, which are not described in the prior art for brevity.
Further, a microphone pre-stage signal adjusting module 16 is connected between the DSP processing module 11 and the microphone pre-stage amplifying module 14, and the microphone pre-stage signal adjusting module 16 can perform processing such as changing, reverberation or tone on the sound collected by the microphone 1, and then send the sound mixed with the audio signal of the accompaniment instrument pre-stage amplifying module 15 to a mobile phone receiving module 21 of the mobile phone adapter through the wireless transmitting module 12.
Preferably, the wireless transmitting module 12 and the wireless receiving module 13 can also use a plug-in receiver to wirelessly connect with a mobile phone adapter.
That is to say, when singing or live broadcasting, the microphone 1 can input an audio signal through the microphone pre-amplification module 14 and transmit the audio signal to the DSP processing module 11, and the DSP processing module 11 pre-processes the audio signal and then transmits the audio signal to the mobile phone receiving module 21 of the mobile phone adapter through the wireless transmitting module 12; or the live broadcast mobile phone can send the recording signal recorded by the live broadcast mobile phone microphone to the wireless receiving module 13 through the mobile phone transmitting module 22 and transmit the recording signal to the DSP processing module 11, so that the live broadcast sound card and the live broadcast mobile phone can realize wireless transmission without being limited by a connecting line, a user can carry out outdoor wireless live broadcast within a certain distance range, and the live broadcast sound card is simple and convenient to use.
The utility model discloses improve traditional sound card and cell-phone wired transmission's mode, realize wireless transmission through the inside wireless transmitting module and the wireless receiving module of this live sound card and cell-phone adapter, the audio signal that wireless transmitting module sent is received to the cell-phone receiving module in the accessible adapter of live cell-phone also, also can send wireless receiving module and transmit to DSP processing module with the recording signal that the cell-phone microphone obtained through the cell-phone transmitting module in the adapter, make this live sound card and live cell-phone can realize wireless transmission, do not receive the containment of connecting wire, the user can carry out outdoor wireless live broadcast at certain distance within range, it is simple and convenient to use.
The above description is only a preferred embodiment of the present patent, and not intended to limit the scope of the present patent, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the specification and the drawings, and which are directly or indirectly applied to other related technical fields, belong to the scope of the present patent protection.
Claims (3)
1. The utility model provides an outdoor wireless live broadcast sound card, includes live cell-phone, sound card casing and sets up the master control circuit board in the sound card casing, its characterized in that: a DSP processing module, a wireless transmitting module and a wireless receiving module are arranged in the main control circuit board, and the DSP processing module is connected with and controls the wireless transmitting module and the wireless receiving module; the live broadcast mobile phone is connected with a mobile phone adapter, and the mobile phone adapter is wirelessly connected with a wireless transmitting module and a wireless receiving module in the main control circuit board; this DSP processing module still is connected with microphone preceding stage amplification module and accompaniments musical instrument preceding stage amplification module respectively, microphone preceding stage amplification module is connected with the microphone, accompaniments musical instrument preceding stage amplification module is connected with accompaniments musical instrument.
2. The outdoor wireless live broadcast sound card according to claim 1, wherein: the mobile phone adapter comprises a mobile phone receiving module, a mobile phone transmitting module and a mobile phone interface terminal, wherein the mobile phone interface terminal is used for being inserted into an audio interface or a charging interface of a mobile phone, and the mobile phone receiving module is used for carrying out wireless data communication with the wireless transmitting module and receiving an audio signal sent by the wireless transmitting module; the mobile phone transmitting module can send the sound recording signals acquired by the mobile phone microphone to the wireless receiving module and transmit the sound recording signals to the DSP processing module.
3. The outdoor wireless live broadcast sound card according to claim 1, wherein: the wireless transmitting module and the wireless receiving module can also adopt an externally-hung receiver to be wirelessly connected with the mobile phone adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020100449.6U CN211015469U (en) | 2020-01-17 | 2020-01-17 | Outdoor wireless live broadcast sound card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020100449.6U CN211015469U (en) | 2020-01-17 | 2020-01-17 | Outdoor wireless live broadcast sound card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211015469U true CN211015469U (en) | 2020-07-14 |
Family
ID=71472747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020100449.6U Expired - Fee Related CN211015469U (en) | 2020-01-17 | 2020-01-17 | Outdoor wireless live broadcast sound card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211015469U (en) |
-
2020
- 2020-01-17 CN CN202020100449.6U patent/CN211015469U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 |
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| CF01 | Termination of patent right due to non-payment of annual fee |