CN205726414U - A kind of meeting sound equipment automatic controller - Google Patents
A kind of meeting sound equipment automatic controller Download PDFInfo
- Publication number
- CN205726414U CN205726414U CN201620266346.0U CN201620266346U CN205726414U CN 205726414 U CN205726414 U CN 205726414U CN 201620266346 U CN201620266346 U CN 201620266346U CN 205726414 U CN205726414 U CN 205726414U
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- audio signal
- signal transmission
- audio
- electric conductor
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Abstract
The utility model discloses a kind of meeting sound equipment automatic controller, including body, the front of described body is provided with LED display and control knob, the inside of described body is provided with the microphone audio extraction module being sequentially connected electrically, signal amplification module, audio signal laminating module, ADC modular converter and volume control module, the inside of described body is additionally provided with audio amplifier audio extraction module and reverse conversion module, the top of described body is provided with audio signal transmission interface, described audio signal transmission interface is connected to volume control module by electric conductor, described audio signal transmission interface is connected by audio signal transmission wire Electret condenser microphone.This utility model simple in construction, designs ingenious, easy to use, by the collection of sound and process, it is achieved automatically control volume, can automatically control meeting acoustics volume, reduce manual operation, and the situation that simultaneously it also avoid mistuning occurs.
Description
Technical field
This utility model relates to electronic technology field, is specially a kind of meeting sound equipment automatic controller.
Background technology
Stereo set draws by source of sound (music player devices, pick up facility i.e. microphone), controls equipment (analog or digital tuning
Platform), audio process (be the most all with the periphery such as effect device, equalizer, compressor, frequency divider, signal distributor, chronotron
Equipment, also have now the most integrated above each function digital system acoustic controller), power amplifier (power amplifier), audio amplifier group
Become.Above equipment is serially connected use by the different wire rod of all kinds, cable, and acoustic controller has risen important wherein
Effect, but existing acoustic controller generally requires the sound size of manual adjustment sound equipment, has a meeting the most at ordinary times or regards
Frequently meeting, different personnel's spoken voices are not of uniform size, need commissioning staff's moment to keep concentrating one's energy, manually regulate sound console,
To avoid audible sound excessive or too small, bother very much, while wasting substantial amounts of manpower, be also easy to occur the feelings of mistuning
Condition, for the problems referred to above, a kind of meeting sound equipment automatic controller of special proposition.
Utility model content
The purpose of this utility model is to provide a kind of meeting sound equipment automatic controller, to solve to carry in above-mentioned background technology
The problem gone out.
For achieving the above object, this utility model following technical scheme of offer: a kind of meeting sound equipment automatic controller, including
Body, the front of described body is provided with LED display and control knob, and LED display is connected to control by electric conductor
Button, the inside of described body be provided be sequentially connected electrically microphone audio extraction module, signal amplification module, audio signal superposition
Module, ADC modular converter and volume control module, the inside of described body is additionally provided with audio amplifier audio extraction module and reverse conversion
Module, and audio amplifier audio extraction module electrically connect with reverse conversion module by electric conductor, described reverse conversion module is passed through electric
Conductor electrically connects with audio signal laminating module, and the top of described body is provided with audio signal transmission interface, and described audio frequency is believed
Number coffret is connected to extraneous sound equipment by electric conductor, and described audio signal transmission interface is connected to volume control by electric conductor
Molding block, and volume control module is connected to external power supply by electric conductor, described audio signal transmission interface is believed by audio frequency
Number transmission line connects has Electret condenser microphone, the outside of described Electret condenser microphone to be provided with metal shell, the end of described Electret condenser microphone
Portion is provided with the positive contact of arc and the negative contact of bar shaped.
Preferably, the left and right sides in described body front is mounted on stopper slot.
Preferably, the top of described body is provided with wireless signal transmission antenna, and wireless signal transmission antenna is by electricity
Conductor is connected to volume control module.
Preferably, described Electret condenser microphone is provided with Air Filter.
Compared with prior art, the beneficial effects of the utility model are: a kind of meeting sound equipment automatic controller, structure letter
Single, design ingenious, easy to use, by the collection of sound, process, it is achieved volume is automatically controlled, can automatically control
Meeting acoustics volume, reduces manual operation, and the situation that simultaneously it also avoid mistuning occurs.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is the Facad structure schematic diagram of Electret condenser microphone in this utility model；
Fig. 3 is the side structure schematic diagram of Electret condenser microphone in this utility model；
Fig. 4 is the structured flowchart of body interior electronic component in this utility model；
Fig. 5 is the circuit diagram of volume control module in this utility model；
Fig. 6 is the internal circuit diagram of Electret condenser microphone in this utility model.
In figure: 1, body, 2, LED display, 3, control knob, 4, audio signal transmission interface, 5, Electret condenser microphone, 6,
Metal shell, 7, positive contact, 8, negative contact, 9, stopper slot, 10, wireless signal transmission antenna, 11, Air Filter.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Referring to Fig. 1-6, a kind of technical scheme of this utility model offer: a kind of meeting sound equipment automatic controller, including this
Body 1, the front of described body 1 is provided with LED display 2 and control knob 3, and LED display 2 is connected to control by electric conductor
Button 3 processed, the inside of described body 1 be provided be sequentially connected electrically microphone audio extraction module, signal amplification module, audio signal
Laminating module, ADC modular converter and volume control module, the inside of described body 1 is additionally provided with audio amplifier audio extraction module with anti-
To modular converter, and audio amplifier audio extraction module is electrically connected with reverse conversion module by electric conductor, described reverse conversion module
Being electrically connected with audio signal laminating module by electric conductor, the top of described body 1 is provided with audio signal transmission interface 4, institute
Stating audio signal transmission interface 4 and be connected to extraneous sound equipment by electric conductor, described audio signal transmission interface 4 is by electric conductor even
Receive volume control module, and volume control module is connected to external power supply, described audio signal transmission interface 4 by electric conductor
Being connected by audio signal transmission wire has Electret condenser microphone 5, the outside of described Electret condenser microphone 5 to be provided with metal shell 6, described stays
The bottom of electret microphone 5 is provided with the positive contact 7 of arc and the negative contact 8 of bar shaped, simple in construction, designs ingenious, easy to use,
By to the collection of sound, process, it is achieved volume is automatically controlled, meeting acoustics volume can be automatically controlled, reduce artificial
Operation, the situation that simultaneously it also avoid mistuning occurs.
Specifically, the left and right sides in described body 1 front is mounted on stopper slot 9, it is simple to this meeting sound equipment is controlled automatically
The location of device processed and installation.
Specifically, the top of described body 1 is provided with wireless signal transmission antenna 10, and wireless signal transmission antenna 10
It is connected to volume control module by electric conductor, the audio amplifier in the external world can be passed the signal to by transmission of wireless signals mode.
Specifically, described Electret condenser microphone 5 is provided with Air Filter 11, can prevent entering of dust when receiving sound
Enter.
Operation principle: gather ambient sound by being enlarged into appropriate level by Electret condenser microphone 5, include ring among these
The acoustical signal that border acoustic constituents and sound equipment are play, in order to obtain ambient sound composition therein, by extracting directly sound equipment sound
Tone signal, by its audio signal phase reverse process, both sound waves meet generation destructive interference, when two composition wave amplitude sizes
Identical, during opposite in phase, two sound waves will cancel each other, the most remaining environmental sound signal collected.Gathered by ADC,
Monitored its level by volume control module, control the volume degree of sound equipment, and volume control module can be passed through
In IC1, IC2, IC3, DN and resistance and electric capacity with the use of, after the compression of input signal is processed, then decompress extension
It is reduced into original signal output, input signal is joined its internal compressor and carries out rectification and compare, and make input audio-frequency electric
Putting down always remains on noise level, and the audio signal after processing the most again adds the initial electricity returning to it in decompression machine
Voltage level, and by the level value output of a certain setting, thus can effectively remove noise, and realize by the increasing of purpose of design
Big or reduce acoustics volume.
Embodiment the most of the present utility model, for the ordinary skill in the art,
It is appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, repair
Changing, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a meeting sound equipment automatic controller, including body (1), it is characterised in that: the front of described body (1) is provided with
LED display (2) and control knob (3), and LED display (2) is connected to control knob (3), described body by electric conductor
(1) inside is provided with the microphone audio extraction module that is sequentially connected electrically, signal amplification module, audio signal laminating module, ADC turn
Die change block and volume control module, the inside of described body (1) is additionally provided with audio amplifier audio extraction module and reverse conversion module, and
Audio amplifier audio extraction module is electrically connected with reverse conversion module by electric conductor, and described reverse conversion module passes through electric conductor and sound
Frequently Signal averaging module electrical connection, the top of described body (1) is provided with audio signal transmission interface (4), described audio signal
Coffret (4) is connected to extraneous sound equipment by electric conductor, and described audio signal transmission interface (4) is connected to sound by electric conductor
Measuring control module, and volume control module is connected to external power supply by electric conductor, described audio signal transmission interface (4) is passed through
Audio signal transmission wire connects has Electret condenser microphone (5), the outside of described Electret condenser microphone (5) to be provided with metal shell (6), described
The bottom of Electret condenser microphone (5) is provided with the positive contact (7) of arc and the negative contact (8) of bar shaped.
A kind of meeting sound equipment automatic controller the most according to claim 1, it is characterised in that: described body (1) front
The left and right sides is mounted on stopper slot (9).
A kind of meeting sound equipment automatic controller the most according to claim 1, it is characterised in that: the top of described body (1)
Wireless signal transmission antenna (10) is installed, and wireless signal transmission antenna (10) is connected to volume by electric conductor and controls mould
Block.
A kind of meeting sound equipment automatic controller the most according to claim 1, it is characterised in that: described Electret condenser microphone (5)
It is provided with Air Filter (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620266346.0U CN205726414U (en) | 2016-04-04 | 2016-04-04 | A kind of meeting sound equipment automatic controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620266346.0U CN205726414U (en) | 2016-04-04 | 2016-04-04 | A kind of meeting sound equipment automatic controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205726414U true CN205726414U (en) | 2016-11-23 |
Family
ID=57311628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620266346.0U Expired - Fee Related CN205726414U (en) | 2016-04-04 | 2016-04-04 | A kind of meeting sound equipment automatic controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205726414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879062A (en) * | 2018-07-03 | 2018-11-23 | 中国科学院电子学研究所 | Low frequency electret body antenna |
-
2016
- 2016-04-04 CN CN201620266346.0U patent/CN205726414U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879062A (en) * | 2018-07-03 | 2018-11-23 | 中国科学院电子学研究所 | Low frequency electret body antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20170404 |