CN206517591U - A kind of classroom audible environment system - Google Patents
A kind of classroom audible environment system Download PDFInfo
- Publication number
- CN206517591U CN206517591U CN201720003049.1U CN201720003049U CN206517591U CN 206517591 U CN206517591 U CN 206517591U CN 201720003049 U CN201720003049 U CN 201720003049U CN 206517591 U CN206517591 U CN 206517591U
- Authority
- CN
- China
- Prior art keywords
- circuit
- classroom
- audio
- microphone
- audio signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model is related to a kind of classroom audible environment system, is related to sound system field.Including multiple microphones, digital audio processor, power amplifier and multiple audio amplifiers, the multiple microphone is fixed on the ceiling in classroom, and positioned at the surface at classroom dais, the multiple audio amplifier is fixed on the middle part and corner of classroom ceiling, the audio signal output end of the multiple microphone is connected with the audio signal input end of digital audio processor, the audio signal input end of the audio signal output end of digital audio processor and power amplifier is connected, and the audio signal input end of the audio signal output end of power amplifier respectively with multiple sound equipments is connected.In the top at dais, microphone is set, the sound of teacher is entered by microphone, digital audio processor and power amplifier to be played out in audio amplifier, reasonable arrangement is carried out by the position to audio amplifier and microphone, ensure that the every nook and cranny in classroom can very understand the sound spread out of in audio amplifier.
Description
Technical field
The utility model is related to sound system field, more particularly to classroom audible environment system regions.
Background technology
The public address system in classroom's environment all uses wired or wireless microphone at present, and these microphones are in reality
Some inconvenience can be produced when using.For example, common hand microphone takes the hand of teacher, if being fixedly mounted at dais
On, then require that teacher closely on-mike can only be talked, the whistle being difficult to avoid that can be caused, influence amplifying effect.Though
The wireless microphone of right tie clip formula no longer limits the activity of teacher, but the cumbersome work such as is also required to manage, charges, safeguard, right
The more schools of Yu teacher, are also unavoidable problem.
In current public address technology, noise reduction process and chauvent's criterion are carried out using audio process, it is more advanced
It is the audio process in meeting room sound system, echo can be avoided to utter long and high-pitched sounds, but price is all of a relatively high, in debugging process
In also have certain technical difficulty, add the workload of operation maintenance, be not suitable for using in classroom.
The content of the invention
Above-mentioned the problems of in the prior art there is provided a kind of classroom audible environment system in order to solve for the utility model
System.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of classroom audible environment system, including it is many
Individual microphone, digital audio processor, power amplifier and multiple audio amplifiers, the multiple microphone are fixed on the ceiling in classroom, and are located at
The surface at classroom dais, the multiple audio amplifier is fixed on the middle part and corner of classroom ceiling, the audio of the multiple microphone
Signal output part is connected with the audio signal input end of digital audio processor, the audio signal output of digital audio processor
End is connected with the audio signal input end of power amplifier, the audio of the audio signal output end of power amplifier respectively with multiple sound equipments
Signal input part is connected.
The beneficial effects of the utility model are：Microphone is set in the top at dais, and the sound of teacher passes through microphone, digital sound
Frequency processor and power amplifier enter to be played out in audio amplifier, and reasonable arrangement is carried out by the position to audio amplifier and microphone, can
Ensure that the every nook and cranny in classroom can very understand the sound spread out of in audio amplifier.
System of the present invention fully releases both hands, solve the bluetooth used at present or wireless microphone management,
The problems such as charging.The conditions such as area, the environment in classroom are not limited, and also public address, the source of sound such as completely compatible existing power amplifier, audio amplifier are set
Standby, after tested, in the lecture theater of 400 square meters, classroom be free to explanation, more than 300 in about 5 meters of long dais
It is good that amplifying effect is experienced in life.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
Further, the microphone is two, the left and right sides positioned at classroom dais.
Further, the microphone is three, the left and right sides and centre position positioned at classroom dais.
Beneficial effect using above-mentioned further scheme is：By the reasonable setting of microphone position, it ensure that on dais
People no matter go to the sound that any position at dais can make microphone receive the people on dais.
Further, the system also include recording circuit and memory, the audio signal input end of the recording circuit with
The audio signal output end connection of microphone, the audio signal output end of recording circuit and the audio signal input end of memory connect
Connect.
Beneficial effect using above-mentioned further scheme is：Recording circuit and memory can carry out live recording to sound
And storage, sound can be transferred in the time after school and reviewed.
Further, the system also includes manual switching circuit, and the manual switching circuit includes corresponding with microphone
Multiple buttons, switching circuit, wireless transmission circuit, wireless receiving circuit, control circuit and on-off circuit, in each microphone
One wireless receiving circuit, each push button signalling of the push button signalling output end of the multiple button respectively with switching circuit are set
Input is connected, the switching signal input of each switching signal output end of switching circuit respectively with a wireless transmission circuit
Connection, each wireless transmission circuit wirelessly realizes that signal is transmitted with a wireless receiving circuit respectively, wireless receiving
The switching signal output end of circuit with control circuit switch signal input end be connected, control circuit switching signal output end and
The switch signal input end connection of on-off circuit, the "on" position that the on-off circuit is used for microphone is switched over.
Beneficial effect using above-mentioned further scheme is：The manual switching of microphone can be realized by such scheme,
Can respectively it be switched over according to the state being specifically actually needed to each microphone, it is easy to operate.
Brief description of the drawings
Fig. 1 is that schematic diagram, wherein microphone are put in the position of the classroom audible environment system described in the utility model embodiment
Quantity is two；
Fig. 2 is that schematic diagram, wherein microphone are put in the position of the classroom audible environment system described in the utility model embodiment
Quantity is three；
Fig. 3 is the principle schematic of the classroom audible environment system described in the utility model embodiment；
Fig. 4 is the principle schematic of manual switching circuit described in the utility model.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit scope of the present utility model.
As shown in Figures 1 to 4, the present embodiment proposes a kind of classroom audible environment system, and the system includes multiple words
Cylinder, digital audio processor, power amplifier and multiple audio amplifiers, the multiple microphone are fixed on the ceiling in classroom, and positioned at classroom
The surface at dais, the multiple audio amplifier is fixed on the middle part and corner of classroom ceiling, the audio signal of the multiple microphone
Output end is connected with the audio signal input end of digital audio processor, the audio signal output end of digital audio processor with
The audio signal input end connection of power amplifier, the audio signal of the audio signal output end of power amplifier respectively with multiple sound equipments
Input is connected.
Specifically, the top at classroom dais can be lifted on using two, three even more microphone with strong directivity, still
Considered with cost and amplifying effect, two or three microphones are advisable.With unification number word audio process, connect existing
It can be realized inside power amplifier and audio amplifier, digital audio processor using audio algorithm relatively advanced at present in the range of dais
Live pickup, clear amplification, equipment installs simple and convenient, can be used after the completion of digital audio processor wiring, it is not necessary to
Debugging, is the optimal solution of classroom public address system.
Above-mentioned microphone with strong directivity has remarkable directionality and high sensitivity, and the windproof sponge cover of outfit can be reduced again
Situation during speech by indecency whiff and other sounds of the wind occurs.According to live sound field environment, microphone is conscientiously adjusted
Point to and angle, the voice pickup of teacher, reduction student and other noises are improved as far as possible, it is ensured that public address effect.
It is preferred that, the sound that student can transfer on the spot in the time after school for convenience is reviewed, and the system is also wrapped
Recording circuit and memory are included, the audio signal input end of the recording circuit and the audio signal output end of microphone are connected, record
The audio signal output end of sound circuit and the audio signal input end of memory are connected.
The circuit for filtering removal of impurities can be increased in the recording circuit, can be entered by the sound to pickup scene
Relatively sharp sound is obtained after row processing.
It is preferred that, as shown in figure 4, the system also includes manual switching circuit, the manual switching circuit includes and words
The one-to-one multiple buttons of cylinder, switching circuit, wireless transmission circuit, wireless receiving circuit, control circuit and on-off circuit, often
A wireless receiving circuit is respectively provided with individual microphone, the push button signalling output end of the multiple button is every with switching circuit respectively
The connection of individual push button signalling input, the switching of each switching signal output end of switching circuit respectively with a wireless transmission circuit
Signal input part is connected, and each wireless transmission circuit wirelessly realizes that signal is passed with a wireless receiving circuit respectively
Defeated, the switching signal output end of wireless receiving circuit controls the switch of circuit with controlling the switch signal input end of circuit to be connected
The switch signal input end connection of signal output part and on-off circuit, the "on" position that the on-off circuit is used for microphone is carried out
Switching.
The manual switching of microphone can be realized by such scheme, can be according to being specifically actually needed to each microphone
State switch over respectively, in order to avoid causing the interference between different microphones, easy to operate, amplifying effect is more preferable.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (3)
1. a kind of classroom audible environment system, it is characterised in that including multiple microphones, digital audio processor, power amplifier and
Multiple audio amplifiers, the multiple microphone is fixed on the ceiling in classroom, and positioned at the surface at classroom dais, the multiple audio amplifier is fixed
On the middle part and corner of classroom ceiling, the audio of the audio signal output end of the multiple microphone with digital audio processor
Signal input part is connected, and the audio signal output end of digital audio processor and the audio signal input end of power amplifier are connected,
Audio signal input end of the audio signal output end of power amplifier respectively with multiple sound equipments is connected.
2. a kind of classroom audible environment system according to claim 1, it is characterised in that the system also includes recording electricity
Road and memory, the audio signal input end of the recording circuit and the audio signal output end of microphone are connected, recording circuit
The audio signal input end connection of audio signal output end and memory.
3. a kind of classroom audible environment system according to claim 2, it is characterised in that the system also includes cutting manually
Circuit is changed, the manual switching circuit includes and the one-to-one multiple buttons of microphone, switching circuit, wireless transmission circuit, nothing
A wireless receiving circuit is respectively provided with line receiving circuit, control circuit and on-off circuit, each microphone, the multiple button
Push button signalling output end is connected with each push button signalling input of switching circuit respectively, and each switching signal of switching circuit is defeated
Go out switching signal input of the end respectively with a wireless transmission circuit to be connected, each wireless transmission circuit is wireless with one respectively
Receiving circuit wirelessly realizes that signal is transmitted, the switching signal output end and the switch of control circuit of wireless receiving circuit
Signal input part is connected, and controls the switching signal output end of circuit and the switch signal input end of on-off circuit to connect, described to open
The "on" position that powered-down road is used for microphone is switched over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720003049.1U CN206517591U (en) | 2017-01-04 | 2017-01-04 | A kind of classroom audible environment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720003049.1U CN206517591U (en) | 2017-01-04 | 2017-01-04 | A kind of classroom audible environment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206517591U true CN206517591U (en) | 2017-09-22 |
Family
ID=59864237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720003049.1U Expired - Fee Related CN206517591U (en) | 2017-01-04 | 2017-01-04 | A kind of classroom audible environment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206517591U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777834A (en) * | 2018-06-21 | 2018-11-09 | 深圳市雷森贝尔听力技术有限公司 | A kind of collective is excellent to listen gain system and collective is excellent listens implementation method |
| CN108922267A (en) * | 2018-07-12 | 2018-11-30 | 河南恩久信息科技有限公司 | A kind of intelligent voice system for wisdom classroom |
| CN108966106A (en) * | 2018-07-18 | 2018-12-07 | 卢剑斌 | A kind of multi-functional public address set for teaching |
-
2017
- 2017-01-04 CN CN201720003049.1U patent/CN206517591U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777834A (en) * | 2018-06-21 | 2018-11-09 | 深圳市雷森贝尔听力技术有限公司 | A kind of collective is excellent to listen gain system and collective is excellent listens implementation method |
| CN108922267A (en) * | 2018-07-12 | 2018-11-30 | 河南恩久信息科技有限公司 | A kind of intelligent voice system for wisdom classroom |
| CN108966106A (en) * | 2018-07-18 | 2018-12-07 | 卢剑斌 | A kind of multi-functional public address set for teaching |
| CN108966106B (en) * | 2018-07-18 | 2020-07-31 | 东阳市新意工业产品设计有限公司 | A multi-functional public address set for teaching |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206517591U (en) | A kind of classroom audible environment system | |
| CN104486698A (en) | Wireless singing microphone system for mobile phone | |
| CN101170325A (en) | Bluetooth wireless microphone | |
| CN201805538U (en) | Circuit for improving play sound articulation according to ambient sound, and device thereof | |
| CN204791598U (en) | Classroom teaching intelligence sound amplification system,sound reinforcing system | |
| CN203590287U (en) | Apparatus achieving speech voice amplification by using cell phone | |
| CN201134803Y (en) | Bluetooth wireless microphone | |
| CN207911013U (en) | One kind is active to hang wheat public address equipment | |
| CN204259152U (en) | USB stereophony microphone | |
| CN203984618U (en) | Based on the intelligent resonance sound box of bluetooth | |
| CN207854114U (en) | A kind of change of voice earphone | |
| CN203630989U (en) | Teaching public address system based on mobile phone bluetooth function | |
| CN207968840U (en) | A kind of circular audio devices of 3D | |
| CN203057513U (en) | Wireless hearing aid with playing and recording function | |
| CN206650844U (en) | A kind of super-miniature audio amplifing answer equipment for electrification education | |
| CN209982730U (en) | Sound amplification system for conference | |
| CN201114769Y (en) | Sound box with playing and power amplification effect | |
| KR101562618B1 (en) | system for clear voice in classroom | |
| CN208783080U (en) | A kind of sound field of loudspeaker loudness equalization equipment | |
| CN202475504U (en) | Multimedia sound equipment telephone | |
| CN214851827U (en) | Public address system who uses on equipment is led to class | |
| CN210745474U (en) | Sound box capable of loudspeaking to different directions | |
| CN203057512U (en) | Hearing aid for input of multiple sources of sound | |
| CN104284002A (en) | Volume automatic adjustment system of mobile phone | |
| CN202838410U (en) | Mobile audio and video evaluating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170922 Termination date: 20200104 |