CN209462586U - A kind of audio playing apparatus - Google Patents
A kind of audio playing apparatus Download PDFInfo
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- CN209462586U CN209462586U CN201920088866.0U CN201920088866U CN209462586U CN 209462586 U CN209462586 U CN 209462586U CN 201920088866 U CN201920088866 U CN 201920088866U CN 209462586 U CN209462586 U CN 209462586U
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- inductance
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- processor
- playing apparatus
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Abstract
This application involves a kind of audio playing apparatus, comprising: processor, the first inductance, first capacitor, left audio output port, the second inductance, the second capacitor and right audio output port；The left audio output of processor and first inductance series connection, the first inductance are connect with the left audio output port, and the connecting node between the first inductance and the left audio output port is grounded after connecting with first capacitor；The right audio output of processor and the series connection of the second inductance, the second inductance connect with the right audio output port, are grounded after the connecting node between the second inductance and the right audio output port and second capacitance connection.The embodiment of the present application is respectively formed filter circuit by the first inductance and first capacitor, the second inductance and the second capacitor, so that the audio of left audio output port output and the audio of right audio output port output are by filtering processing, so that the audio that audio-frequence player device plays is than more visible, it is noiseless, it is user-friendly.
Description
Technical field
This application involves electronic technology field more particularly to a kind of audio playing apparatus.
Background technique
Currently, audio playing apparatus refers to the equipment for playing various audio files, general audio-frequence player device it is hard
Part part is made of processor and loudspeaker；
However, existing audio playing apparatus is when playing audio, noise is larger, so that user listens to audio playing apparatus
It is not heard when the audio played back, the available information that can not be accurately obtained in audio.
Summary of the invention
In order to solve the above-mentioned technical problem or it at least is partially solved above-mentioned technical problem, this application provides a kind of sounds
Frequency playing device.
In a first aspect, this application provides a kind of audio playing apparatus, comprising: processor, the first inductance, first capacitor,
Left audio output port, the second inductance, the second capacitor and right audio output port；
The left audio output of the processor and first inductance series connection, first inductance and the left audio are defeated
Outlet connection, the connecting node between first inductance and the left audio output port is connect with the first capacitor to be followed by
Ground；
The right audio output of the processor and second inductance series connection, second inductance and the right audio are defeated
Outlet connection, the connecting node between second inductance and the right audio output port are followed by with second capacitance connection
Ground.
Optionally, further includes: third inductance, third capacitor and Bluetooth audio frequency delivery outlet；
The Bluetooth audio frequency output end of the processor is connected with the third inductance, the third inductance and the bluetooth sound
The connection of frequency delivery outlet, connecting node and the third capacitance connection between the third inductance and the Bluetooth audio frequency delivery outlet
After be grounded.
Optionally, further includes: the 4th inductance, the 4th capacitor, the 5th capacitor and microphone；
The audio input end of the processor is connected after connecting with the 4th inductance with the 4th capacitor, and the described 4th
It is grounded after connecting node and the 5th capacitance connection between inductance and the 4th capacitor, the microphone and the described 5th
Capacitor is in parallel.
Optionally, further includes: the 5th inductance, the 6th capacitor and bluetooth receiving antenna；
The bluetooth receiving end of the processor is electric with the 5th inductance and the 6th capacitance connection, the described 5th respectively
Sense is connected with the bluetooth receiving antenna, the 5th inductance ground connection.
Optionally, further includes: the 6th inductance, the 7th inductance, the 7th capacitor and radio frequency reception antenna；
The radio frequency reception end of the processor is electric with the 6th inductance and the 7th capacitance connection, the described 6th respectively
Sense ground connection, the 7th capacitor are connect with the 7th inductance and the radio frequency reception antenna respectively, the 7th inductance ground connection.
Optionally, further includes: the 8th inductance, the 9th inductance, the tenth inductance, the 11st inductance, the 8th capacitor, first are pressed
Key, the second key and third key；
9th inductance and first key connect to form the first series arm；
Tenth inductance and second key connect to form the second series arm；
11st inductance and the third key connect to form third series arm；
First series arm, second series arm and the third series arm parallel connection form parallel circuit；
8th inductance is connect with the 8th capacitor and the parallel circuit respectively, the 8th capacity earth.
Optionally, further includes: memory；
The storage connecting pin of the processor is connect with the memory.
Optionally, further includes: power supply；
The power supply is processor power supply.
Optionally, further includes: detection device；
The detection device is connect with processor.
Optionally, further includes: status indicator lamp；
The instruction control terminal of the processor is connect with the status indicator lamp.
Above-mentioned technical proposal provided by the embodiments of the present application has the advantages that compared with prior art
Audio playing apparatus provided by the embodiments of the present application, due to the left audio output and the first inductance string of processor
Connection, the first inductance are connect with left audio output port, connecting node and first capacitor between the first inductance and left audio output port
It is grounded after connection；Also, the right audio output of processor and the series connection of the second inductance, the second inductance and right audio output port connect
It connects, is grounded after the connecting node between the second inductance and right audio output port and the second capacitance connection, due to the first inductance and
One capacitor, the second inductance and the second capacitor are respectively formed filter circuit, so that the audio and right audio of the output of left audio output port
The audio of delivery outlet output is by filtering processing, so that the audio that audio-frequence player device plays is than more visible, it is noiseless, it is convenient for
User uses.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without any creative labor, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structure chart of audio playing apparatus provided by the embodiments of the present application；
Fig. 2 is a kind of local structural graph of audio playing apparatus provided by the embodiments of the present application；
Fig. 3 is a kind of local structural graph of audio playing apparatus provided by the embodiments of the present application；
Fig. 4 is a kind of local structural graph of audio playing apparatus provided by the embodiments of the present application；
Fig. 5 is a kind of local structural graph of audio playing apparatus provided by the embodiments of the present application；
Fig. 6 is a kind of local structural graph of audio playing apparatus provided by the embodiments of the present application；
Fig. 7 is a kind of local structural graph of audio playing apparatus provided by the embodiments of the present application；
Fig. 8 is a kind of local structural graph of audio playing apparatus provided by the embodiments of the present application；
Fig. 9 is a kind of local structural graph of audio playing apparatus provided by the embodiments of the present application；
Figure 10 is a kind of local structural graph of audio playing apparatus provided by the embodiments of the present application；
Figure 11 is a kind of local structural graph of audio playing apparatus provided by the embodiments of the present application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the application, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
The embodiment of the present application provides a kind of audio playing apparatus, as shown in Figure 1, Figure 2 and Figure 3, the audio playing apparatus
It include: processor MCU, the first inductance L4, first capacitor C17, left audio output port, the second inductance L9, the second capacitor C3 and the right side
Audio output port；
Referring to fig. 2, the left audio output of the processor MCU and the first inductance L4 series connection, first inductance
L4 is connect with the left audio output port, connecting node and institute between the first inductance L4 and the left audio output port
It is grounded after stating first capacitor C17 connection；
Referring to Fig. 3, the right audio output of the processor and the second inductance L9 series connection, the second inductance L9 with
The right audio output port connection, the connecting node and described second between the second inductance L9 and the right audio output port
It is grounded after capacitor C3 connection.
In the embodiment of the present application, left audio output port and right audio output port are separately connected loudspeaker.
Audio playing apparatus provided by the embodiments of the present application, due to the left audio output and the first inductance string of processor
Connection, the first inductance are connect with left audio output port, connecting node and first capacitor between the first inductance and left audio output port
It is grounded after connection；Also, the right audio output of processor and the series connection of the second inductance, the second inductance and right audio output port connect
It connects, is grounded after the connecting node between the second inductance and right audio output port and the second capacitance connection, due to the first inductance and
One capacitor, the second inductance and the second capacitor are respectively formed filter circuit, so that the audio and right audio of the output of left audio output port
The audio of delivery outlet output is by filtering processing, so that the audio that audio-frequence player device plays is than more visible, it is noiseless, it is convenient for
User uses.
In order to enable audio by Bluetooth transmission, in the another embodiment of the application, as shown in figure 4, described
Audio playing apparatus further include: third inductance L8, third capacitor C18 and Bluetooth audio frequency delivery outlet；
The Bluetooth audio frequency output end of the processor is connected with the third inductance L8, the third inductance L8 and the indigo plant
The connection of tooth audio output port, connecting node and third electricity between the third inductance L8 and the Bluetooth audio frequency delivery outlet
It is grounded after holding C18 connection.
In the embodiment of the present application, Bluetooth audio frequency delivery outlet can connect Bluetooth communication modules etc..
In the another embodiment of the application, as shown in figure 5, the audio playing apparatus further include: the 4th inductance R2,
Four capacitor C13, the 5th capacitor C11 and microphone MIC；
The audio input end of the processor is connected after connecting with the 4th inductance R2 with the 4th capacitor C13, institute
It states after the connecting node between the 4th inductance R2 and the 4th capacitor C13 is connect with the 5th capacitor C11 and is grounded, the wheat
Gram wind MIC is in parallel with the 5th capacitor C11, and M+ and M- are connect with microphone respectively.
The embodiment of the present application can acquire the voice signal of user, and be filtered to the voice signal received,
Reduce the noise of the voice signal received.
In the another embodiment of the application, as shown in fig. 6, the audio playing apparatus further include: the 5th inductance L1,
Six capacitor C4 and bluetooth receiving antenna ANT2；
The bluetooth receiving end of the processor respectively with the 5th inductance L1 and the 6th capacitance connection, the described 5th
Inductance L1 connects with the bluetooth receiving antenna ANT2, the 5th inductance L1 ground connection.
The embodiment of the present application can receive the audio signal that Bluetooth transmission comes, and carry out to the audio signal received
Filtering processing, to remove the noise in audio signal.
In the another embodiment of the application, as shown in Figure 1, the audio playing apparatus further include: the 6th inductance L2,
Seven inductance L3, the 7th capacitor C8 and radio frequency reception antenna ANT1；
The radio frequency reception end of the processor is connect with the 6th inductance L2 and the 7th capacitor C8 respectively, described
6th inductance L2 ground connection, the 7th capacitor C8 are connect with the 7th inductance L3 and the radio frequency reception antenna ANT1 respectively,
The 7th inductance L3 ground connection.
The embodiment of the present application can receive radiofrequency signal by radio frequency reception antenna, and be filtered place to radiofrequency signal
Reason, filters out the noise of radiofrequency signal.
In the another embodiment of the application, as shown in fig. 7, the audio playing apparatus further include: the 8th inductance R5,
Nine inductance R8, the tenth inductance R14, the 11st inductance R18, the 8th capacitor, the first key, the second key and third key；
The 9th inductance R8 and the first key S4 connect to form the first series arm；
The tenth inductance R14 and the second key S9 connect to form the second series arm；
The 11st inductance R18 and the third key S11 connect to form third series arm；
First series arm, second series arm and the third series arm parallel connection form parallel circuit；
The 8th inductance R5 is connect with the 8th capacitor C15 and the parallel circuit respectively, the 8th capacitor C15
Ground connection.
It, can be by pressing key control audio playing apparatus by the embodiment of the present application.
In the another embodiment of the application, as shown in figure 8, the audio playing apparatus further include: further include: memory
CARD1；
The storage connecting pin of the processor is connect with the memory CARD1, the VDD connection of the memory CARD1
End is connect with resistance R10, and the connecting pin SW_DECT is connect with resistance R15, and the connecting pin VDD is grounded after also connecting with capacitor C14.
By the embodiment of the present application, the audio signal that can be received by memory storage.
In the another embodiment of the application, it is illustrated in figure 9 power supply, the audio playing apparatus further include: power supply；
The power supply is processor power supply, and the internal circuit of the power supply is as shown in figure 9, power supply is chargeable electricity
Source, Micro 5P are data line interface, and 7 pins and 1 pin of data line interface are connect with the both ends of capacitor C25, and data line connects
1 pin of mouth is also connect with 4 pins of charging chip MX4054, and 5 pins of charging chip are grounded after connecting with resistance R20, charging
1 pin of chip is connect after connecting with resistance R21 with the cathode of light emitting diode RED, the anode and data of light emitting diode RED
1 pin of line interface connects, and 1 pin of data line interface is also connect with resistance R1.
By the embodiment of the present application, power supply is used to power for audio playing apparatus.
In the another embodiment of the application, as shown in Figure 10, the audio playing apparatus further include: detection device J13；
The detection device J13 is connect with processor.
In the another embodiment of the application, as shown in figure 11, the audio playing apparatus further include: status indicator lamp；
The instruction control terminal of the processor is connect with the status indicator lamp, Tu11Zhong, the instruction control terminal of processor
3.3V connects with resistance R11, status indicator lamp RED, resistance R23 and status indicator lamp BLUE.
By the embodiment of the present application, it can indicate that power supply is the power supply state of audio playing apparatus by status indicator lamp.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The above is only a specific embodiment of the invention, is made skilled artisans appreciate that or realizing this hair
It is bright.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and applied principle and features of novelty phase one herein
The widest scope of cause.
Claims (10)
1. a kind of audio playing apparatus characterized by comprising processor, the first inductance, first capacitor, left audio output port,
Second inductance, the second capacitor and right audio output port；
The left audio output of the processor and first inductance series connection, first inductance and the left audio output port
Connection, the connecting node between first inductance and the left audio output port are grounded after connecting with the first capacitor；
The right audio output of the processor and second inductance series connection, second inductance and the right audio output port
It connects, is grounded after the connecting node and second capacitance connection between second inductance and the right audio output port.
2. audio playing apparatus according to claim 1, which is characterized in that further include: third inductance, third capacitor and indigo plant
Tooth audio output port；
The Bluetooth audio frequency output end of the processor is connected with the third inductance, and the third inductance and the Bluetooth audio frequency are defeated
Outlet connection, the connecting node between the third inductance and the Bluetooth audio frequency delivery outlet are followed by with the third capacitance connection
Ground.
3. audio playing apparatus according to claim 1, which is characterized in that further include: the 4th inductance, the 4th capacitor,
Five capacitors and microphone；
The audio input end of the processor is connected after connecting with the 4th inductance with the 4th capacitor, the 4th inductance
It is grounded after connecting node and the 5th capacitance connection between the 4th capacitor, the microphone and the 5th capacitor
It is in parallel.
4. audio playing apparatus according to claim 1, which is characterized in that further include: the 5th inductance, the 6th capacitor and indigo plant
Tooth receiving antenna；
The bluetooth receiving end of the processor respectively with the 5th inductance and the 6th capacitance connection, the 5th inductance with
The bluetooth receiving antenna series connection, the 5th inductance ground connection.
5. audio playing apparatus according to claim 1, which is characterized in that further include: the 6th inductance, the 7th inductance,
Seven capacitors and radio frequency reception antenna；
Respectively with the 6th inductance and the 7th capacitance connection, the 6th inductance connect at the radio frequency reception end of the processor
Ground, the 7th capacitor are connect with the 7th inductance and the radio frequency reception antenna respectively, the 7th inductance ground connection.
6. audio playing apparatus according to claim 1, which is characterized in that further include: the 8th inductance, the 9th inductance,
Ten inductance, the 11st inductance, the 8th capacitor, the first key, the second key and third key；
9th inductance and first key connect to form the first series arm；
Tenth inductance and second key connect to form the second series arm；
11st inductance and the third key connect to form third series arm；
First series arm, second series arm and the third series arm parallel connection form parallel circuit；
8th inductance is connect with the 8th capacitor and the parallel circuit respectively, the 8th capacity earth.
7. audio playing apparatus according to claim 1, which is characterized in that further include: memory；
The storage connecting pin of the processor is connect with the memory.
8. audio playing apparatus according to claim 1, which is characterized in that further include: power supply；
The power supply is processor power supply.
9. audio playing apparatus according to claim 1, which is characterized in that further include: detection device；
The detection device is connected to the processor.
10. audio playing apparatus according to claim 1, which is characterized in that further include: status indicator lamp；
The instruction control terminal of the processor is connect with the status indicator lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920088866.0U CN209462586U (en) | 2019-01-18 | 2019-01-18 | A kind of audio playing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920088866.0U CN209462586U (en) | 2019-01-18 | 2019-01-18 | A kind of audio playing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209462586U true CN209462586U (en) | 2019-10-01 |
Family
ID=68044955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920088866.0U Active CN209462586U (en) | 2019-01-18 | 2019-01-18 | A kind of audio playing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209462586U (en) |
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2019
- 2019-01-18 CN CN201920088866.0U patent/CN209462586U/en active Active
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