CN209375638U - Audio transmission structure - Google Patents
Audio transmission structure Download PDFInfo
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- CN209375638U CN209375638U CN201920163164.4U CN201920163164U CN209375638U CN 209375638 U CN209375638 U CN 209375638U CN 201920163164 U CN201920163164 U CN 201920163164U CN 209375638 U CN209375638 U CN 209375638U
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Abstract
The utility model provides a kind of audio transmission structure, comprising: processor；Ethernet physical layer module；Echo cancellation unit；And memory；Wherein, the first port of processor is electrically connected with the first port of ethernet physical layer module, the second port of processor is electrically connected with the first port of echo cancellation unit, the third port of processor is electrically connected with the first port of memory, the second port of ethernet physical layer module is electrically connected with an Ethernet output interface, the third port of ethernet physical layer module is electrically connected with an Ethernet input interface, the second port of echo cancellation unit is electrically connected with a linear audio input interface, the third port of echo cancellation unit is electrically connected with a microphone interface, 4th port of echo cancellation unit is electrically connected with an intercommunication audio output interface, it can be when realizing the circuit of audio transmission for different two-way intercommunication terminal product designs, reduce manpower, financial resources and material resources.
Description
Technical field
The utility model relates to Audiotechnica field, in particular to a kind of audio transmission structure.
Background technique
In recent years, the development of the audio transmission communication technology is maked rapid progress, and remote audio transmission techniques are widely used
General, wherein Ethernet is suitable for most of terminals as common distant signal transmission means.It but is being different two-way right
When saying that the circuit of audio transmission is realized in end product design, variation and printed circuit board (PCB, Printed due to structure
Circuit Board) size variation, generally require layout designs circuit again, result in the need for taking a substantial amount of time and adjust
Audio-frequency index is tried, a large amount of wastes of manpower, financial resources and material resources are caused.
Utility model content
The utility model provides a kind of audio transmission structure, its purpose is to solve for different two-way intercommunication it is whole
When product design being held to realize the circuit of audio transmission, the problem of causing a large amount of wastes of manpower, financial resources and material resources.
In order to achieve the above object, the embodiments of the present invention provide a kind of audio transmission structure, comprising:
Processor；Ethernet physical layer module；Echo cancellation unit；And memory；
Wherein, the first port of the processor is electrically connected with the first port of the ethernet physical layer module, described
The second port of processor is electrically connected with the first port of the echo cancellation unit, the third port of the processor with it is described
The first port of memory is electrically connected, and the 4th port of the processor is electrically connected with a linear audio output interface, the place
Reason device fifth port be electrically connected with a universal input/output interface, the second port of the ethernet physical layer module and one with
Too net output interface is electrically connected, and the third port of the ethernet physical layer module is electrically connected with an Ethernet input interface, institute
The second port for stating echo cancellation unit is electrically connected with a linear audio input interface, the third port of the echo cancellation unit
It is electrically connected with a microphone interface, the 4th port of the echo cancellation unit is electrically connected with an intercommunication audio output interface.
Optionally, the 6th port of the processor is electrically connected with an IC bus.
Optionally, the 7th port of the processor is electrically connected with a universal serial bus host interface, the processor
The 8th port be electrically connected with a universal serial bus slave interface.
Optionally, the 9th port of the processor is electrically connected with a modulus acquisition interface.
Optionally, the tenth port of the processor is electrically connected with a camera serial line interface.
Optionally, the tenth Single port of the processor is electrically connected with a secure digital input/output interface.
Optionally, the tenth Two-port netwerk of the processor is electrically connected with a Serial Peripheral Interface (SPI).
Optionally, the 13rd port of the processor is electrically connected with a UART Universal Asynchronous Receiver Transmitter interface.
Optionally, the audio transmission structure further includes a power module, the output port of the power module respectively with
14th port of the processor, the 4th port of the ethernet physical layer module, the echo cancellation unit the 5th
The electrical connection of the second port of port and the memory.
Optionally, the 15th port of the processor is electrically connected with the linear audio input interface, the processor
The 16th port be electrically connected with the microphone interface.
The above scheme of the utility model have it is following the utility model has the advantages that
In the embodiments of the present invention, the audio data of ethernet physical layer module output is received in processor
Afterwards, processor can export the audio data to echo cancellation unit so that echo cancellation unit can to the audio data into
Row disappears after echo processing, exports the audio data by intercommunication audio output interface, and when echo cancellation unit passes through linear sound
, can be after the echo processing that carries out disappearing to the audio data when frequency input interface or microphone interface receive audio data, it will
Audio data by the echo processing that disappears is exported to processor, so that processor is defeated to Ethernet by ethernet physical layer module
The audio data out realizes the transmission of audio data, that is, by by processor, ethernet physical layer module, echo cancellor list
Member, linear audio input interface and microphone interface are integrated in one, so that different two-way intercommunication terminal products can be direct
The transmission of audio is realized using audio transmission structure, so that realizing audio for different two-way intercommunication terminal product designs
When the circuit of transmission, layout designs circuit again is not needed, and then reduce manpower, financial resources and material resources.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model specific embodiment sound intermediate frequency transmission structure.
[description of symbols]
1, processor；2, ethernet physical layer module；3, echo cancellation unit；4, memory；5, linear audio input connects
Mouthful；6, linear audio output interface；7, universal input/output interface；8, Ethernet output interface；9, intercommunication audio output interface；
10, IC bus；11, universal serial bus host interface；12, universal serial bus slave interface；13, modulus acquisition connects
Mouthful；14, camera serial line interface；15, secure digital input/output interface；16, Serial Peripheral Interface (SPI)；17, UART Universal Asynchronous Receiver Transmitter
Interface；18, microphone interface；19, power module；20, Ethernet input interface.
Specific embodiment
The exemplary embodiment of the utility model is more fully described below with reference to accompanying drawings.Although showing this in attached drawing
The exemplary embodiment of utility model, it being understood, however, that may be realized in various forms the utility model without should be by here
The embodiment of elaboration is limited.It is to be able to thoroughly understand the utility model, and energy on the contrary, providing these embodiments
It is enough to be fully disclosed to those skilled in the art the scope of the utility model.
As shown in Figure 1, specific embodiment of the utility model provides a kind of audio transmission structure, comprising: processor 1；
Ethernet physical layer module 2；Echo cancellation unit 3；And memory 4.
Wherein, the first port of the processor 1 is electrically connected with the first port of the ethernet physical layer module 2, institute
The second port for stating processor 1 is electrically connected with the first port of the echo cancellation unit 3, the third port of the processor 1
It is electrically connected with the first port of the memory 4, the 4th port and a linear audio output interface 6 for the processor 1 is electrically connected
It connecing, the fifth port of the processor 1 is electrically connected with a universal input/output interface 7, and the of the ethernet physical layer module 2
Two-port netwerk is electrically connected with an Ethernet output interface 8, the third port and an Ethernet input of the ethernet physical layer module 2
Interface 20 is electrically connected, and the second port of the echo cancellation unit 3 is electrically connected with a linear audio input interface 5, the echo
The third port for eliminating unit 3 is electrically connected with a microphone interface 18, the 4th port of the echo cancellation unit 3 and a pair
Say that audio output interface 9 is electrically connected.
Wherein, in specific embodiment of the utility model, above-mentioned 3 main function of echo cancellation unit are as follows: receiving
When the audio data that linear audio input interface 5 or microphone interface 18 transmit, by the audio data coding at number
Signal and carrying out, which disappears, is transferred to processor 1 after echo processing, so that processor 1 can be by the output of ethernet physical layer module 2 extremely
Ethernet.Certain echo cancellation unit 3 is also used in the audio signal (audio signal of processor 1 for receiving the output of processor 1
It is to be received from ethernet physical layer module 2) after, which at analog signal and is subjected to the echo processing that disappears
Afterwards, it is exported from intercommunication audio output interface 9, to make two-way intercommunication terminal product the case where avoiding the occurrence of echo and uttering long and high-pitched sounds
Under, realize audio transmission.It is realized it should be noted that simple existing structure can be used in above-mentioned echo cancellation unit 3, and this time
Sound eliminates unit 3 and itself has coding, decoded function.
As it can be seen that receiving ethernet physical layer module 2 in specific embodiment of the utility model in processor 1 and exporting
Audio data after, processor 1 audio data can be exported to echo cancellation unit 3 so that echo cancellation unit 3 can be right
The audio data disappear after echo processing, exports the audio data by intercommunication audio output interface 9, and works as echo cancellor list
When member 3 receives audio data by linear audio input interface 5 or microphone interface 18, it can be carried out to the audio data
Disappear after echo processing, will export by the audio data for the echo processing that disappears to processor 1, so that processor 1 passes through Ethernet object
Layer module 2 is managed to the Ethernet output audio data, realizes the transmission of audio data, that is, by by processor 1, Ethernet object
Reason layer module 2, echo cancellation unit 3, linear audio input interface 5 and microphone interface 18 are integrated in one, so that different
Two-way intercommunication terminal product can directly realize the transmission of audio using audio transmission structure, so that being different two-way
When the circuit of audio transmission is realized in intercommunication terminal product design, layout designs circuit again is not needed, and then reduce manpower, financial resources
And material resources.
In addition, in specific embodiment of the utility model, when double intercommunication terminal products work in non-bidirectional talkback mode
When, the main function of above-mentioned processor 1 are as follows: the audio data format that ethernet physical layer module 2 transmits is decoded into number
Digital-to-analogue conversion is exported to outside (such as end product word signal at analog audio signal, and by linear audio output interface 6 again
Player etc.).It should be noted that above-mentioned processor 1 is integrated with audio coding decoding function, the encoding and decoding of this part are audio
The data formats such as the encoding and decoding of data format, such as common MP3 are through overcompression, it is therefore desirable to be decoded into complete audio
Digital signal.In addition, above-mentioned processor 1 is also used to receive control instruction, the configuration number that ethernet physical layer module 2 transmits
According to, file, status data etc..Wherein, processor 1 can be exported after receiving control instruction by universal input/output interface 7
To external (controller of such as end product), simultaneous processor 1 can incite somebody to action after receiving configuration data, file, status data
These data are stored in memory 4, so as to subsequent query associated documents.Of course, it should be understood that end product whether work
Make in two-way talkback mode, processor 1 can be determined according to configuration data and status data stored in memory 4 etc., and root
Determine that the operating mode of end product can be used the simple prior art and realize according to configuration data and status data, herein not to this
Process is excessively repeated.
It should be noted that in specific embodiment of the utility model, above-mentioned ethernet physical layer module 2 it is main
Effect are as follows: the data from Ethernet are received by Ethernet input interface 20, and after the data are descrambled and decoded
It is transferred to 1 part of processor；Receive processor 1 output data after, after which is encoded and is scrambled by with
Too net output interface 8 is transferred to Ethernet.It should be further noted that above-mentioned ethernet physical layer module 2 has itself
Descrambling, decoding, coding and scrambled function.And memory 4 can select the memory 4 of different amount of storage according to actual needs, with
Meet user demand.
Optionally, in specific embodiment of the utility model, the 15th port of above-mentioned processor 1 and the linear sound
Frequency input interface 5 is electrically connected, and the 16th port of the processor 1 is electrically connected with the microphone interface 18.
Correspondingly, in specific embodiment of the utility model, above-mentioned processor 1 be also used to through microphone interface 18 or
Person's linear audio input interface 5 acquires analog audio signal, and by the analog audio signal coded transmission to Ethernet physics
Layer module 2 realizes the transmission of audio data so that ethernet physical layer module 2 transmits it to Ethernet.It needs to illustrate
It is that this part is encoded to the coding of audio data format, such as is compressed into the data formats such as common MP3, to save data
Size saves network transmission duration.
Optionally, in specific embodiment of the utility model, above-mentioned audio transmission structure further includes a power module 19,
The output port of the power module 19 respectively with the 14th port of the processor 1, the ethernet physical layer module 2
The second port of 4th port, the fifth port of the echo cancellation unit 3 and the memory 4 is electrically connected.
Wherein, in specific embodiment of the utility model, above-mentioned power module 19 is mainly used for processor 1, ether
Net physical layer block 2, echo cancellation unit 3 and memory 4 provide working power, it is ensured that audio transmission structure can normal work
Make.Of course, it should be understood that for convenient for continued power, the input port of the power module 19 can be electrically connected with a charging interface
It connects, so as to energy continued power.
Optionally, in specific embodiment of the utility model, the 6th port of above-mentioned processor 1 and an integrated circuit are total
Line 10 be electrically connected, so as to by audio transmission Standard in end product.
Optionally, in specific embodiment of the utility model, the 7th port of above-mentioned processor 1 and a general serial are total
Line host interface 11 is electrically connected, and the 8th port of the processor 1 is electrically connected with a universal serial bus slave interface 12, is convenient for
The connection of audio transmission structure and external equipment.
Optionally, in specific embodiment of the utility model, the 9th port and the modulus acquisition of above-mentioned processor 1 are connect
Mouth 13 is electrically connected, so that processor 1 can directly receive digital signal, reduces the processing time.
Optionally, in specific embodiment of the utility model, the tenth port of above-mentioned processor 1 and a camera serial interface
Mouth 14 is electrically connected, so that processor 1 can receive audio data from video capture device.
Optionally, in specific embodiment of the utility model, the tenth Single port and a secure digital of above-mentioned processor 1
Input/output interface 15 is electrically connected, so that processor 1 safely can receive audio data from external equipment, and to external equipment
Export audio data.
Optionally, in specific embodiment of the utility model, the tenth Two-port netwerk and a serial peripheral of above-mentioned processor 1
Interface 16 is electrically connected, so that processor 1 can be communicated in a serial fashion with external various equipment to exchange audio data.
Optionally, in specific embodiment of the utility model, the 13rd port of above-mentioned processor 1 and one universal asynchronous
Transceiver interface 17 is electrically connected, so that processor 1 can be with external equipment asynchronous receiving-transmitting audio data.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of audio transmission structure characterized by comprising
Processor；Ethernet physical layer module；Echo cancellation unit；And memory；
Wherein, the first port of the processor is electrically connected with the first port of the ethernet physical layer module, the processing
The second port of device is electrically connected with the first port of the echo cancellation unit, the third port of the processor and the storage
The first port of device is electrically connected, and the 4th port of the processor is electrically connected with a linear audio output interface, the processor
Fifth port be electrically connected with a universal input/output interface, the second port of the ethernet physical layer module and an Ethernet
Output interface electrical connection, the third port of the ethernet physical layer module are electrically connected with an Ethernet input interface, and described time
The second port that sound eliminates unit is electrically connected with a linear audio input interface, the third port of the echo cancellation unit and one
Microphone interface electrical connection, the 4th port of the echo cancellation unit is electrically connected with an intercommunication audio output interface.
2. audio transmission structure according to claim 1, which is characterized in that the 6th port of the processor is integrated with one
Circuit bus electrical connection.
3. audio transmission structure according to claim 1, which is characterized in that the 7th port of the processor and one general
Serial bus host interface electrical connection, the 8th port of the processor is electrically connected with a universal serial bus slave interface.
4. audio transmission structure according to claim 1, which is characterized in that the 9th port of the processor and a modulus
Acquisition interface electrical connection.
5. audio transmission structure according to claim 1, which is characterized in that the tenth port of the processor and a camera
Serial line interface electrical connection.
6. audio transmission structure according to claim 1, which is characterized in that the tenth Single port of the processor and a peace
Digital input/output interface electrical connection.
7. audio transmission structure according to claim 1, which is characterized in that the tenth Two-port netwerk of the processor and a string
The electrical connection of row Peripheral Interface.
8. audio transmission structure according to claim 1, which is characterized in that the 13rd port of the processor is logical with one
It is electrically connected with asynchronism transceiver interface.
9. audio transmission structure according to claim 1, which is characterized in that the audio transmission structure further includes a power supply
Module, the output port of the power module respectively with the 14th port of the processor, the ethernet physical layer module
The 4th port, the echo cancellation unit fifth port and the memory second port electrical connection.
10. audio transmission structure according to claim 1, which is characterized in that the 15th port of the processor and institute
The electrical connection of linear audio input interface is stated, the 16th port of the processor is electrically connected with the microphone interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920163164.4U CN209375638U (en) | 2019-01-29 | 2019-01-29 | Audio transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920163164.4U CN209375638U (en) | 2019-01-29 | 2019-01-29 | Audio transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209375638U true CN209375638U (en) | 2019-09-10 |
Family
ID=67827005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920163164.4U Active CN209375638U (en) | 2019-01-29 | 2019-01-29 | Audio transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209375638U (en) |
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2019
- 2019-01-29 CN CN201920163164.4U patent/CN209375638U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Audio transmission structure Effective date of registration: 20221230 Granted publication date: 20190910 Pledgee: Agricultural Bank of China Limited Changsha Furong District Sub-branch Pledgor: HUNAN COMTOM ELECTRONIC TECHNOLOGY CO.,LTD. Registration number: Y2022980029886 |