CN209134636U - 2.4G Wireless sound card - Google Patents
2.4G Wireless sound card Download PDFInfo
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- CN209134636U CN209134636U CN201821785818.9U CN201821785818U CN209134636U CN 209134636 U CN209134636 U CN 209134636U CN 201821785818 U CN201821785818 U CN 201821785818U CN 209134636 U CN209134636 U CN 209134636U
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Abstract
The application provides a kind of 2.4G Wireless sound card.It includes sound card host and 2.4G wireless adapter, sound card host includes: that audio input unit passes through audio coding decoding unit with audio output unit respectively and is electrically connected with the first 2.4G radio receiving transmitting module, and call control is electrically connected by control unit with the first 2.4G radio receiving transmitting module；2.4G wireless adapter includes the 2nd 2.4G radio receiving transmitting module and handset port being electrically connected.Wireless sound card provided by the present application, which passes through, is provided with call control to carry out call manipulation to the external mobile terminal being connected with the Wireless sound card, easy to use.
Description
The application is that application No. is the divisional applications of 201820781368X filed on May 24th, 2018.
Technical field
The utility model relates to Audio Signal Processing field more particularly to a kind of 2.4G Wireless sound cards.
Background technique
It is often very high to sound quality or audio requirement that user and K song user is broadcast live, certainly because of mobile terminals such as smart phones
The microphone collection effect of band is bad, and user generally uses external sound card to be broadcast live or K as ancillary equipment collocation mobile terminal
Song, to obtain more preferably sound quality and audio abundant, to obtain preferable entertainment effect.Wireless external sound card is because it is with nothing
The mode of line transmits audio signal and is greatly favored by consumers, user be not only restricted to connecting line and can within the scope of a certain distance from
By activity, live streaming process can be made more convenient.
The application of existing wireless external sound card is only limitted to that the interaction of wireless audio signal, nothing can be carried out with mobile terminal
Line sound card cannot manipulate mobile terminal, when mobile terminal incoming call when, user must by operation mobile terminal itself with
It carries out incoming call sound or hangs up, inconvenient use.
Utility model content
Based on above-mentioned the deficiencies in the prior art, the utility model provides a kind of bluetooth Wireless sound card and a kind of 2.4G is wireless
Sound card, both Wireless sound cards can carry out call manipulation to external mobile terminal.
Based on the application's in a first aspect, the utility model provides a kind of bluetooth Wireless sound card, including bluetooth transceiver module,
Audio coding decoding unit, audio input unit, audio output unit, control unit and call control, the audio input list
It is first to be electrically connected respectively by the audio coding decoding unit and the bluetooth transceiver module with the audio output unit, it is described
Control of conversing is electrically connected by described control unit and the bluetooth transceiver module, and the bluetooth transceiver module is used for and outside
Mobile terminal is wirelessly connected, and the call control leads to the external mobile terminal for triggering the bluetooth Wireless sound card
Words control.
Further, the call control includes answering control, rejection control, call holding control, hanging up control, call
At least one of volume adjustment control.
Further, the call control is also used to broadcast the music player software in the external mobile terminal
It puts/suspends, the manipulation of at least one of last track/next track, volume adjustment.
Further, the bluetooth Wireless sound card further includes the bluetooth toggle control being electrically connected with described control unit,
The bluetooth toggle control is used to switch the wireless connection conditions between the bluetooth transceiver module and the external mobile terminal.
Further, the bluetooth Wireless sound card further includes the music control being electrically connected with described control unit, described
Music control is used to that the external mobile terminal sound intermediate frequency playout software to be played out/be suspended, last track/next track, volume
At least one of adjusting control.
Compared with prior art, bluetooth Wireless sound card provided by the present application is provided with call control, when external mobile terminal
It is in when carrying out electricity condition, user directly the calls such as can answer or hang up to external mobile terminal by control of conversing and grasp
Make, without return to external mobile terminal at one's side to external mobile terminal itself carry out come it is electrically operated, it is easy to use.
Second aspect based on the application, the utility model provide a kind of 2.4G Wireless sound card, including sound card host and
The specific structure of 2.4G wireless adapter, the sound card host and the 2.4G wireless adapter refers to specific embodiment
Content in part, the sound card host is connect by the 2.4G wireless adapter with external mobile terminal electric signal, described
Sound card host is provided with call control and carries out call control to the external mobile terminal to trigger the 2.4G Wireless sound card.
Further, the call control includes answering control, rejection control, call holding control, hanging up control, call
At least one of volume adjustment control.
Further, the call control is also used to broadcast the music player software in the external mobile terminal
It puts/suspends, the manipulation of at least one of last track/next track, volume adjustment.
Further, the 2.4G Wireless sound card further includes that the 2.4G being electrically connected with described control unit wirelessly switches control
Part, the wireless toggle control of 2.4G is for switching between the first 2.4G transceiver module and the 2nd 2.4G transceiver module
Wireless connection conditions.
Further, the 2.4G Wireless sound card further includes the music control being electrically connected with described control unit, described
Music control is used to that the audio playing software in the external mobile terminal to be played out/be suspended, last track/next track, sound
At least one of amount adjusting control.
Compared with prior art, 2.4G Wireless sound card provided by the present application includes sound card host and 2.4G wireless adapter,
Wherein sound card host is provided with call control, and when external mobile terminal, which is in, carrys out electricity condition, user can directly pass through call
Control such as is answered or is hung up to external mobile terminal at the telephone operations, and it is right at one's side to return to external mobile terminal without user
External mobile terminal itself carry out come it is electrically operated, it is easy to use.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for the bluetooth Wireless sound card that embodiment provides of the utility model；
Fig. 2 is the connection schematic diagram of codec unit in bluetooth Wireless sound card shown in FIG. 1；
Fig. 3 is the internal circuit connection schematic diagram of bluetooth Wireless sound card shown in FIG. 1；
Fig. 4 is the structural schematic diagram for the 2.4G Wireless sound card that another embodiment of the utility model provides.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is described in further detail the utility model.It should be appreciated that specific embodiment described herein is only to explain
The utility model is not used to limit the utility model.
Referring to Figure 1, based on the application's in a first aspect, the utility model embodiment provides a kind of bluetooth Wireless sound card packet
Include bluetooth transceiver module, audio coding decoding unit, audio input unit, audio output unit, control unit and call control.
Wherein, audio input unit and audio output unit pass through audio coding decoding unit and bluetooth transceiver module telecommunications
Number connection, bluetooth transceiver module be used for external mobile terminal be wirelessly connected so that bluetooth Wireless sound card can with outside move
Dynamic terminal carries out audio signal alternating transmission.Call control is connect by control unit with bluetooth transceiver module electric signal, so that
Control signal can also be sent to external mobile terminal by obtaining bluetooth Wireless sound card.
In the present embodiment, audio input unit include miaow core microphone input interface, route input interface, earphone microphone interface,
At least one of bluetooth receiving unit, 2.4G radio receiving unit are used to input sound source signal to bluetooth Wireless sound card.Sound
Frequency output unit include loudspeaker, earphone interface, earplug interface, earphone microphone interface, bluetooth transmission unit, in 2.4G transmission unit
At least one is used to monitor the audio signal exported from external mobile terminal, and/or monitors defeated from external mobile terminal
The audio signal of audio signal and sound source signal out.External mobile terminal includes that common smart phone, plate etc. support SIM
The terminal device of cartoon letters, the audio signal exported from external mobile terminal include but are not limited to what music player software played
Music signal, live streaming platform/K song platform output audio signal or call audio.
Audio coding decoding unit has modulus/analog conversion function and sound mixing function, and audio coding decoding unit can be
The audio coding decoding circuit being made of ADC, DAC and operational amplifier, is also possible to audio coding decoding chip, and the present embodiment is excellent
Audio coding decoding chip is selected, such as WM8776 chip generally in the art, WM8988 chip etc..Codec chip and audio input list
Connection relationship between member, audio output unit and bluetooth transceiver module can refer to Fig. 2.
Bluetooth transceiver module specifically includes the antenna and bluetooth transceiving chip of electric connection, such as LMX9838 bluetooth is received
Send out chip or CSR8501 bluetooth transceiving chip.
In the present embodiment, call control sends control signal to bluetooth transceiver module for trigger control unit, so that
It obtains bluetooth transceiver module and carries out respective communication according to the control signal and external mobile terminal, to realize bluetooth Wireless sound card
To external mobile terminal answer/rejection/call is kept/hang up/In Call at least one call control such as adjusts.Accordingly
, call control may include answer control, rejection control, call keep control, hang up control, In Call adjust control key in
At least one, call control can be at least one of key, poke rod or knob.
As a preferred embodiment, the internal circuit connection schematic diagram of bluetooth Wireless sound card can refer to Fig. 3, control
Unit selects controller chip, such as common MCU chip, ARM chip, call control respectively with the I/ of controller chip
O port connection, the triggering of controller chip response call control generates corresponding control signal and is sent to bluetooth transceiver module, blue
Received control signal is wirelessly transmitted to external mobile terminal again by tooth transceiver module.It will be apparent to those skilled in the art that blue
Tooth module be wirelessly connected by the Bluetooth transmission protocols such as GATT, A2DP, AFP and peripheral hardware and data transmission is known to it
Bluetooth applications technology, such as can refer to the technical principle of common bluetooth headset, this place of specific implementation process does not repeat.
Compared with prior art, bluetooth Wireless sound card provided in this embodiment has call control, when external mobile terminal
It is in when carrying out electricity condition, user directly the calls such as can answer or hang up to external mobile terminal by control of conversing and grasp
Make, without return to external mobile terminal at one's side external mobile terminal itself carry out come it is electrically operated, it is easy to use.
In a preferred embodiment, on the basis of the above embodiments, call control can be not only used for mobile to outside
Terminal carries out call control, at the same can be used for the music player software in external mobile terminal is played out/suspended, upper one
The operation such as song/next track, volume adjustment.
The control mode how the present embodiment does not implement two kinds of manipulation functions to call control limits.For example, when outer
Portion's mobile terminal is in when coming electricity condition or talking state, and call control is only used for carrying out call behaviour to external mobile terminal
Control, and when external mobile terminal carries out music by music player software, call control is only used for mobile to outside
Terminal carries out music manipulation.Alternatively, individual palpation one-touch then carries out external mobile terminal when control of conversing is key
Call manipulation, long-pressing or double-click key then carry out music control to external mobile terminal.
In this embodiment, bluetooth transceiver module can be controlled by AVRCP Bluetooth transmission protocol and external mobile terminal transmission
Signal processed, this is also the state of the art.The present embodiment imparts the call further manipulation function of control, enriches nothing
The manipulation function of line sound card.
In a preferred embodiment, bluetooth sound card includes bluetooth transceiver module, audio coding decoding unit, audio input list
Member, audio output unit, control unit and call control, still further comprise the music control being electrically connected with control unit
Part.
Specifically, music control can be operational and controlled key button, it can also be that touch device, music control are single for triggering control
Member generate control command in external mobile terminal audio playing software carry out music play/pause, last track/next track with
And at least one of volume adjustment control.The present embodiment is by being respectively set music control and call control, convenient for user point
Distinguish the manipulation function of each control, it is further user-friendly.
In a preferred embodiment, bluetooth Wireless sound card includes bluetooth transceiver module, audio coding decoding unit, audio input
Unit, audio output unit, control unit and call control, still further comprise bluetooth toggle control, bluetooth toggle control
It is electrically connected by control unit and bluetooth transceiver module.Bluetooth toggle control can be in key, toggle switch or knob
One kind, but not limited to this.
In the present embodiment, only after bluetooth toggle control is switched to connection status by user, bluetooth Wireless sound card is
Can be matched with external mobile terminal, data transmission etc. subsequent operations；If bluetooth switch control key be off-state, bluetooth without
Line sound card cannot be then wirelessly connected with external mobile terminal.Therefore, bluetooth switching control key can be Bluetooth pairing switch.
Bluetooth Wireless sound card provided in this embodiment is by setting bluetooth toggle control, for controlling bluetooth Wireless sound card
With the wireless connection conditions between external mobile terminal, meet the use habit of user, the demand of further satisfaction user.
Second aspect based on the application, refers to Fig. 4, and the present embodiment provides a kind of 2.4G Wireless sound cards comprising sound
Card host and 2.4G wireless adapter pass through 2.4G radio connection electric signal between sound card host and 2.4G wireless adapter
Connection.
Sound card host includes the first 2.4G radio receiving transmitting module, audio coding decoding unit, audio input unit, audio output
Unit, control unit and call control, wherein audio input unit and audio output unit pass through audio coding decoding list respectively
First to be electrically connected with the first 2.4G radio receiving transmitting module, call control passes through control unit and the first 2.4G wireless receiving and dispatching mould
Block is electrically connected.In the present embodiment, audio coding decoding unit, audio input unit, audio output unit, control unit and
The bluetooth wireless sound that the specific structure of call control and the circuit connection structure between them and the application first aspect provide
Block identical, for details, reference can be made to Fig. 2 and Fig. 3.
2.4G wireless adapter then includes the 2nd 2.4G radio receiving transmitting module and handset port being electrically connected, wherein the
Two 2.4G radio receiving transmitting modules with the first 2.4G radio receiving transmitting module for connecting, so that sound card host and 2.4G are wireless
Wireless communication is able to carry out between adapter.Handset port with external mobile terminal for connecting, so that sound card host energy
Enough it is connect by 2.4G wireless adapter with external mobile terminal electric signal.
In the present embodiment, handset port includes 3.5mm four-part form audio interface, micro USB interface, USB Type-C
One of interface or Lighting interface.First, second 2.4G radio receiving transmitting module include electrical connection antenna and
NRF24L01 chip generally in the art, LT8920 chip etc. can be selected in 2.4G radio transmitting and receiving chip, 2.4G radio transmitting and receiving chip.
Call control carries out call control to external mobile terminal for triggering 2.4G Wireless sound card, specifically, call control
The control signal that part trigger control unit generates is sent to the 2nd 2.4G wireless receiving and dispatching mould via the first 2.4G radio receiving transmitting module
Then block is sent to external mobile terminal via handset port again so that call control external mobile terminal answer/
Rejection/call is kept/hangs up/and In Call at least one call control such as adjusts.In the present embodiment, 2.4G wireless receiving and dispatching mould
It can carry out audio signal between block and control the transmission of signal to be the prior art, for example, can refer to 2.4G wireless phone
Working principle, the analog audio interface and data-interface of intelligent movable mobile phone can be with transmission of control signals, this is also this field
Technical staff known to routine techniques, this place repeats no more.
Correspondingly, call control includes answering control, rejection control, call holding control, hanging up control, In Call tune
At least one of control key is saved, call control can be at least one of key, poke rod or knob.
Compared with prior art, 2.4G Wireless sound card provided in this embodiment includes sound card host and 2.4G wireless adaptation
Device, wherein 2.4G wireless adapter has handset port for connecting with external mobile terminal, and sound card host has call control,
When external mobile terminal, which is in, carrys out electricity condition, user can directly by converse control external mobile terminal is answered or
Person such as hangs up at the telephone operations, returns to external mobile terminal at one's side to carry out incoming call behaviour to external mobile terminal itself without user
Make, it is user-friendly.
In a preferred embodiment, on the basis of the above embodiments, call control can be not only used for mobile to outside
Terminal carries out call control, at the same can be used for the music player software in external mobile terminal is played out/suspended, upper one
The operation such as song/next track, volume adjustment.Identical as the bluetooth Wireless sound card that the application first aspect provides, the present embodiment is still not
The control mode for how implementing call control and music two kinds of manipulation functions of control to call control limits, for details, reference can be made to
The embodiment part of bluetooth Wireless sound card.The present embodiment, which further imparts call control, has the function of music manipulation, enriches
The manipulation function of 2.4G Wireless sound card.
In a preferred embodiment, 2.4G Wireless sound card includes sound card host and 2.4G wireless adapter, sound card host packet
It includes the one 2.4 radio receiving transmitting module, audio coding decoding unit, audio input unit, audio output unit, control unit and leads to
Control is talked about, the music control being electrically connected with control unit is still further comprised.
Specifically, music control can be operational and controlled key button, it can also be that touch device, music control are single for triggering control
Member generates control command and the control command is sent to external mobile terminal via 2.4G wireless adapter, with mobile to outside
Audio playing software in terminal carries out music play/pause, last track/at least one of next track and volume adjustment control
System.The present embodiment can clearly differentiate the function of each control convenient for user by the way that music control and call control is respectively set
Can, it is further user-friendly.
In a preferred embodiment, 2.4G Wireless sound card includes sound card host and 2.4G wireless adapter, sound card host packet
It includes the one 2.4 radio receiving transmitting module, audio coding decoding unit, audio input unit, audio output unit, control unit and leads to
Control is talked about, the wireless toggle control of 2.4G is still further comprised.
Toggle control that 2.4G is wireless is electrically connected by control unit and the first 2.4G radio receiving transmitting module, is used to switch
Wireless connection conditions between the first 2.4G transceiver module and the 2nd 2.4G transceiver module.Toggle control that 2.4G is wireless
It can be one of key, toggle switch or knob.
In the present embodiment, specifically, only after the wireless toggle control of 2.4G is switched to connection status by user, sound card
Host can be with 2.4G wireless adapter successful connection, so that sound card host can be by 2.4G wireless adapter and outer
Portion's mobile terminal carries out the subsequent operations such as control signal transmission, audio signal transmission, so that 2.4G provided in this embodiment is wireless
Sound card is more in line with the use habit of user, the demand of further satisfaction user.
Above content, the only preferred embodiment of the utility model, are not intended to limit the embodiments of the present invention,
Those of ordinary skill in the art's central scope according to the present utility model and spirit can very easily carry out corresponding accommodation
Or modification, therefore the protection scope of the utility model should be subject to protection scope required by claims.
Claims (5)
1. a kind of 2.4G Wireless sound card, which is characterized in that including sound card host and 2.4G wireless adapter；
The sound card host includes the first 2.4G radio receiving transmitting module, audio coding decoding unit, audio input unit, audio output
Unit, control unit and call control, the audio input unit and the audio output unit pass through the audio respectively
Codec unit and the first 2.4G radio receiving transmitting module are electrically connected, and the call control passes through described control unit and institute
State the electric connection of the first 2.4G radio receiving transmitting module；
The 2.4G wireless adapter include be electrically connected the 2nd 2.4G radio receiving transmitting module and handset port, described second
For connecting with the first 2.4G radio receiving transmitting module, the handset port is used for mobile with outside 2.4G radio receiving transmitting module
Terminal connection；
The sound card host is connect by the 2.4G wireless adapter with the external mobile terminal electric signal, the call control
Part carries out call control to the external mobile terminal for triggering the 2.4G Wireless sound card.
2. 2.4G Wireless sound card according to claim 1, which is characterized in that the call control includes answering control, refusing
Connect control, call keeps control, hang up control, In Call adjusts at least one of control.
3. 2.4G Wireless sound card according to claim 2, which is characterized in that the call control is also used to the outside
Music player software in mobile terminal plays out/suspends, the manipulation of at least one of last track/next track, volume adjustment.
4. 2.4G Wireless sound card according to claim 1, which is characterized in that the 2.4G Wireless sound card further include with it is described
The wireless toggle control of 2.4G that control unit is electrically connected, the wireless toggle control of 2.4G are received for switching the first 2.4G
Send out the wireless connection conditions between module and the 2nd 2.4G transceiver module.
5. 2.4G Wireless sound card according to claim 1, which is characterized in that the 2.4G Wireless sound card further include with it is described
The music control that control unit is electrically connected, the music control are used for the audio playing software in the external mobile terminal
It plays out/suspends, the control of at least one of last track/next track, volume adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821785818.9U CN209134636U (en) | 2018-05-24 | 2018-05-24 | 2.4G Wireless sound card |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821785818.9U CN209134636U (en) | 2018-05-24 | 2018-05-24 | 2.4G Wireless sound card |
| CN201820781368.XU CN208369827U (en) | 2018-05-24 | 2018-05-24 | Bluetooth wireless sound card |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820781368.XU Division CN208369827U (en) | 2018-05-24 | 2018-05-24 | Bluetooth wireless sound card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209134636U true CN209134636U (en) | 2019-07-19 |
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ID=64929875
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820781368.XU Active CN208369827U (en) | 2018-05-24 | 2018-05-24 | Bluetooth wireless sound card |
| CN201821785818.9U Active CN209134636U (en) | 2018-05-24 | 2018-05-24 | 2.4G Wireless sound card |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820781368.XU Active CN208369827U (en) | 2018-05-24 | 2018-05-24 | Bluetooth wireless sound card |
Country Status (1)
| Country | Link |
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| CN (2) | CN208369827U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110302531A (en) * | 2019-05-23 | 2019-10-08 | 深圳市八达晟电子有限公司 | Wireless adapter, adaptation method, storage medium and computer equipment |
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2018
- 2018-05-24 CN CN201820781368.XU patent/CN208369827U/en active Active
- 2018-05-24 CN CN201821785818.9U patent/CN209134636U/en active Active
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| CN208369827U (en) | 2019-01-11 |
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