CN113660566A

CN113660566A - Voice teaching-aid sound amplification system with functions of waking up and refreshing and method thereof

Info

Publication number: CN113660566A
Application number: CN202110963173.3A
Authority: CN
Inventors: 尚志国; 黄奎
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2021-11-16

Abstract

The invention discloses a voice teaching-aid sound amplification system with functions of waking up and refreshing and a method thereof, wherein the voice teaching-aid sound amplification system comprises the following systems: a wireless transmitter: a wake-up/refresh function button; ceiling wireless receiving/sound amplification master station: an infrared wireless receiving module; and C, a ceiling sound reinforcement auxiliary station C. The voice teaching assistant public address system comprises the following steps: step 1: firstly, wearing a wireless transmitter A on the neck of a teacher; step 2: the signal receiving and ceiling-mounted wireless sound reinforcement (main station) B is hung at the top of a classroom; and step 3: the signal receiving and ceiling sound amplifying (auxiliary station) C is hung at the top of a classroom; and 4, step 4: the use composition mode of the system is divided into A + B combination or A + B + C combination. The invention solves the problems that the existing teaching sound amplification system is complex in composition, small in sound transmission range, complex in wiring, low in stability and inconvenient to rapidly awaken a sleepy student.

Description

Voice teaching-aid sound amplification system with functions of waking up and refreshing and method thereof

Technical Field

The invention relates to the technical field of infrared audio transmission and teaching sound amplification, in particular to a voice teaching-aid sound amplification system with functions of waking up and refreshing and a method thereof.

Background

A loudspeaker: the same as a loudspeaker. The voice is amplified and transmitted farther, the voice can be divided into a wired loudspeaker and a wireless loudspeaker according to a using mode, and a teacher usually needs to use the loudspeaker to assist teaching in the daily teaching process at present. The existing loudspeaker or sound amplifying system mainly comprises a loudspeaker, a power amplifier, a sound mixer and a wireless/wired microphone, and the system is complex to build. The device is completely integrated in two types of devices, namely the transmitter and the receiver, and infrared transmission is adopted, so that the complexity of wiring is saved, and the system composition is greatly simplified; according to the invention, the transmitter is added with the 'wake-up' function trigger key, so that when a student feels tired and sleepy in listening, the spirit of the student listening to a class is excited in time through the playing of the special prompt tone, and the waking state is kept.

Disclosure of Invention

Technical problem to be solved

The invention solves the problems that the existing teaching sound amplification system is complex in composition, small in sound transmission range, complex in wiring, low in stability and inconvenient to rapidly awaken a sleepy student.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a voice teaching assistant and sound amplification system with functions of waking up and refreshing and a method thereof.

Advantageous effects

The invention provides a voice teaching-aid sound amplification system with functions of waking up and refreshing and a method thereof. The method has the following beneficial effects:

(1) the voice teaching-assistant and amplifying system with the functions of waking up and refreshing and the method thereof can pick up the voice of a teacher during speaking through the microphone pickup in the neck-wearing wireless transmitter to play signals; the auxiliary line input can link the audio interfaces of a teacher's computer, a player and other teaching equipment to play audio signals, the three signal sources of the voice storage module, the microphone pickup and the auxiliary line input are transmitted to the audio processing module to be subjected to audio mixing processing, the infrared transmitting and encoding are carried out by the module, the infrared signals are transmitted by the wireless signal transmitting module, the audio signals subjected to mixing processing are transmitted to the sound amplification main station B in a wireless mode, and then the infrared wireless receiving module in the ceiling wireless receiving/sound amplification main station B is used for receiving the audio signals of the transmitter A and transmitting the audio signals to the audio decoding and processing module; after the audio signal is decoded by the module, the audio signal is sent to a middle and low frequency loudspeaker through a channel 1 low pass filter and a corresponding power amplifier module for sound amplification, and is sent to a high frequency loudspeaker through a channel 2 high pass filter and a corresponding power amplifier module for sound amplification. And the AC-DC power supply input module converts alternating current into direct current to supply power for the audio encoding and decoding module and the power amplification module. AUX OUT assists audio output interface for it carries OUT audio signal transmission to link to inhale a public address auxiliary station "B", thereby realizes A + B's use combination, is used for the wireless audio amplifier system of helping hand in classroom specially, and the pronunciation of teacher when giving lessons can effectual help enlargies, reaches the effect that enlarges teacher's sound and improve sound propagation range, saves teacher's physical power, protects its vocal cords and throat, thereby alleviates the teaching burden.

(2) The voice teaching-aid sound amplifying system with the functions of waking up and refreshing and the method thereof are characterized in that a 'waking up/refreshing' function key in a transmitter, an audio storage module, a microphone adapter and an auxiliary circuit are input to serve as signal sources, wherein the audio storage module can store audio files such as voice, sound effect and music in advance, the audio storage module plays audio signals after being triggered by the 'waking up/refreshing' key, and the microphone adapter can pick up the voice of a teacher during speaking and play the signals; the auxiliary line input can link audio interfaces of a computer, a player and other teaching equipment of a teacher to play audio signals, and the AUX IN audio input module accesses audio signals of the neck-wearing wireless transmitter A through the ceiling-mounted wireless receiving/sound amplifying main station B and sends the audio signals to the audio decoding and processing module; after the audio signal is decoded by the module, the audio signal is sent to a middle and low frequency loudspeaker through a channel 1 low pass filter and a corresponding power amplifier module for sound amplification, and is sent to a high frequency loudspeaker through a channel 2 high pass filter and a corresponding power amplifier module for sound amplification. The AC-DC power input module converts alternating current into direct current to supply power to the audio coding and decoding module and the power amplification module, the ceiling-mounted sound amplification auxiliary station C is used as an expansion unit of a ceiling-mounted wireless receiving/sound amplification main station B in a large-area classroom to realize an A + B + C expansion use mode, and the AC-DC power input module converts alternating current into direct current to supply power to the audio coding and decoding module and the power amplification module. The student reminding device has the advantages that a teacher can find that a certain student has sleepiness, doze and the like, and can send out refreshing sound by pressing the refreshing and waking function keys, so that the attention of the student can be rapidly concentrated, the teacher is prevented from speaking loudly to wake up, and convenience is provided for a user.

Drawings

FIG. 1 is a schematic view of the flow structure of the present invention;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution:

the first embodiment is as follows: a voice assistant teaching and amplifying system with functions of waking up and refreshing and a method thereof are disclosed, wherein a microphone sound pick-up device in a neck-wearing wireless transmitter can pick up voice of a teacher during speaking for signal broadcasting; the auxiliary line input can link the audio interfaces of a teacher's computer, a player and other teaching equipment to play audio signals, the three signal sources of the voice storage module, the microphone pickup and the auxiliary line input are transmitted to the audio processing module to be subjected to audio mixing processing, the infrared transmitting and encoding are carried out by the module, the infrared signals are transmitted by the wireless signal transmitting module, the audio signals subjected to mixing processing are transmitted to the sound amplification main station B in a wireless mode, and then the infrared wireless receiving module in the ceiling wireless receiving/sound amplification main station B is used for receiving the audio signals of the transmitter A and transmitting the audio signals to the audio decoding and processing module; after the audio signal is decoded by the module, the audio signal is sent to a middle and low frequency loudspeaker through a channel 1 low pass filter and a corresponding power amplifier module for sound amplification, and is sent to a high frequency loudspeaker through a channel 2 high pass filter and a corresponding power amplifier module for sound amplification. And the AC-DC power supply input module converts alternating current into direct current to supply power for the audio encoding and decoding module and the power amplification module. AUX OUT assists audio output interface for it carries OUT audio signal transmission to link to inhale a public address auxiliary station "B", thereby realizes A + B's use combination, is used for the wireless audio amplifier system of helping hand in classroom specially, and the pronunciation of teacher when giving lessons can effectual help enlargies, reaches the effect that enlarges teacher's sound and improve sound propagation range, saves teacher's physical power, protects its vocal cords and throat, thereby alleviates the teaching burden.

Example two: the difference between this embodiment and the first embodiment is: the 'wake-up/refresh' function key, the audio storage module, the microphone adapter and the auxiliary circuit in the emitter are input to serve as signal sources, wherein the audio storage module can store audio files such as voice, sound effect and music in advance, the audio signals are played after being triggered by the 'wake-up/refresh' key, and the microphone adapter can pick up the voice of a teacher during speaking and play the signals; the auxiliary line input can link audio interfaces of a computer, a player and other teaching equipment of a teacher to play audio signals, and the AUX IN audio input module accesses audio signals of the neck-wearing wireless transmitter A through the ceiling-mounted wireless receiving/sound amplifying main station B and sends the audio signals to the audio decoding and processing module; after the audio signal is decoded by the module, the audio signal is sent to a middle and low frequency loudspeaker through a channel 1 low pass filter and a corresponding power amplifier module for sound amplification, and is sent to a high frequency loudspeaker through a channel 2 high pass filter and a corresponding power amplifier module for sound amplification. The AC-DC power input module converts alternating current into direct current to supply power to the audio coding and decoding module and the power amplification module, the ceiling-mounted sound amplification auxiliary station C is used as an expansion unit of a ceiling-mounted wireless receiving/sound amplification main station B in a large-area classroom to realize an A + B + C expansion use mode, and the AC-DC power input module converts alternating current into direct current to supply power to the audio coding and decoding module and the power amplification module. The student reminding device has the advantages that a teacher can find that a certain student has sleepiness, doze and the like, and can send out refreshing sound by pressing the refreshing and waking function keys, so that the attention of the student can be rapidly concentrated, the teacher is prevented from speaking loudly to wake up, and convenience is provided for a user.

When the transmitter works, the transmitter is provided with a 'waking/refreshing' function key, an audio storage module, a microphone pickup and an auxiliary line input as a signal source, wherein the audio storage module can store audio files such as voice, sound effect and music in advance, and after the 'waking/refreshing' key is triggered, audio signals are played. The microphone pickup can pick up the voice of the teacher during the speech to carry out signal broadcasting; the auxiliary line input can be linked with audio interfaces of computers, players and other teaching equipment of teachers to play audio signals, the three signal sources of the voice storage module, the microphone pickup and the auxiliary line input are transmitted to the audio processing module to be subjected to audio mixing processing, the infrared transmitting and encoding are carried out by the module, the infrared signals are transmitted by the wireless signal transmitting module, the audio signals subjected to mixing processing are transmitted to the sound amplification main station B in a wireless mode, the charging and battery module provides power energy support for the neck-wearing wireless transmitter, and the infrared wireless receiving module is used for receiving the audio signals of the transmitter A and sending the audio signals to the audio decoding and processing module; after the audio signal is decoded by the module, the audio signal is sent to a middle and low frequency loudspeaker through a channel 1 low pass filter and a corresponding power amplifier module for sound amplification, and is sent to a high frequency loudspeaker through a channel 2 high pass filter and a corresponding power amplifier module for sound amplification. The AC-DC power input module converts alternating current into direct current to supply power for the audio encoding and decoding module and the power amplification module. AUX OUT auxiliary audio output interface, which is used for linking the ceiling acoustic amplification auxiliary station 'B' to carry OUT audio signal transmission. The use combination of A + B is realized.

And the ceiling-mounted sound amplification auxiliary station C is used as an expansion unit of a ceiling-mounted wireless receiving/sound amplification main station B in a large-area classroom, so that an A + B + C expansion use mode is realized. The AUX IN audio input module is accessed to an audio signal of the neck-wearing wireless transmitter A through the ceiling-mounted wireless receiving/sound amplifying main station B and then is sent to the audio decoding and processing module; after the audio signal is decoded by the module, the audio signal is sent to a middle and low frequency loudspeaker through a channel 1 low pass filter and a corresponding power amplifier module for sound amplification, and is sent to a high frequency loudspeaker through a channel 2 high pass filter and a corresponding power amplifier module for sound amplification. The AC-DC power input module converts alternating current into direct current to supply power for the audio encoding and decoding module and the power amplification module. Through the process, the voice of the teacher in class can be amplified by effective help, the effect of improving the sound propagation range by expanding the sound of the teacher is achieved, the physical strength of the teacher is saved, the vocal cords and the throat of the teacher are protected, the teaching burden is lightened, the voice which can be refreshed can be sent by pressing the refreshing and waking function keys when the teacher discovers that individual students have sleepiness, doze and the like, the attention of the students can be rapidly concentrated, the loud speaking and waking of the teacher are avoided, and convenience is provided for the use of a user.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A voice teaching assistant and sound amplifying system with functions of waking up and refreshing and a method thereof are characterized in that: the voice teaching assistant public address system comprises the following systems: a wireless transmitter: the multifunctional mobile phone comprises a wake-up/refreshing function key, a voice storage module, a microphone pickup, a Line auxiliary circuit and a charging and battery module; ceiling wireless receiving/sound amplification master station: the device comprises an infrared wireless receiving module, an audio decoding processing module, an AUX OUT auxiliary audio output interface and a power amplification module; a ceiling-mounted sound reinforcement auxiliary station C: AUX IN audio input module, ceiling wireless receiving, AC-DC power input module, power amplification module.

The voice teaching assistant public address system comprises the following steps:

step 1: firstly, wearing a wireless transmitter A on the neck of a teacher;

step 2: the signal receiving and ceiling-mounted wireless sound reinforcement (main station) B is hung at the top of a classroom;

and step 3: the signal receiving and ceiling sound amplifying (auxiliary station) C is hung at the top of a classroom;

and 4, step 4: the use composition mode of the system is divided into A + B combination or A + B + C combination.

2. The voice teaching assistant and sound amplification system with the functions of waking up and refreshing and the method thereof as claimed in claim 1, is characterized in that: the wireless transmitter is provided with a 'wake-up/refreshing' function key, an audio storage module, a microphone adapter and an auxiliary line input as a signal source, wherein the audio storage module can store audio files such as voice, sound effect and music in advance, the audio files are triggered by the 'wake-up/refreshing' key to play audio signals, and the microphone adapter can pick up the voice of a teacher during speaking to play the signals; the auxiliary line input can link audio interfaces of a computer, a player and other teaching equipment of a teacher to play audio signals.

3. The voice teaching assistant and sound amplification system with the functions of waking up and refreshing and the method thereof as claimed in claim 1, is characterized in that: the voice storage module, the microphone sound pick-up and the auxiliary line input three signal sources to be transmitted to the audio processing module for sound mixing processing, the infrared emission coding is carried out by the audio processing module, and the audio signals after the mixing processing are transmitted to the sound amplification main station B in a wireless mode.

4. The voice teaching assistant and sound amplification system with the functions of waking up and refreshing and the method thereof as claimed in claim 1, is characterized in that: the charging and battery module provides power energy support for the neck-wearing wireless transmitter.

5. The voice teaching assistant and sound amplification system with the functions of waking up and refreshing and the method thereof as claimed in claim 1, is characterized in that: the infrared wireless receiving module is used for receiving the audio signal of the emitter A and sending the audio signal into the audio decoding and processing module.

6. The voice teaching assistant and sound amplification system with the functions of waking up and refreshing and the method thereof as claimed in claim 1, is characterized in that: after the audio signal is decoded by the audio decoding processing module, the audio signal is sent to a medium-low frequency loudspeaker for sound amplification through the channel 1 low-pass filter and the corresponding power amplifier module, and is sent to a high-frequency loudspeaker for sound amplification through the channel 2 high-pass filter and the corresponding power amplifier module.

7. The voice teaching assistant and sound amplification system with the functions of waking up and refreshing and the method thereof as claimed in claim 1, is characterized in that: the AUX IN audio input module is accessed to an audio signal of the neck-wearing wireless transmitter A through the ceiling-mounted wireless receiving/sound amplifying main station B and is sent to the audio decoding and processing module; after the audio signal is decoded by the module, the audio signal is sent to a middle and low frequency loudspeaker through a channel 1 low pass filter and a corresponding power amplifier module for sound amplification, and is sent to a high frequency loudspeaker through a channel 2 high pass filter and a corresponding power amplifier module for sound amplification.

8. The voice teaching assistant and sound amplification system with the functions of waking up and refreshing and the method thereof as claimed in claim 1, is characterized in that: the AC-DC power input module converts alternating current into direct current to supply power to the audio encoding and decoding module and the power amplification module.