CN209947152U

CN209947152U - Stereo solfeggio teaching device

Info

Publication number: CN209947152U
Application number: CN201920363150.7U
Authority: CN
Inventors: 张蕾
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-01-14
Anticipated expiration: 2029-03-21

Abstract

The utility model relates to a stereo vision-singing ear-exercising teaching device, which comprises a support frame, a multifunctional platform and a music stand, wherein a leveling rod is arranged on the music stand in a sliding way, and a tone corrector is arranged on one side of the leveling rod; the multifunctional platform is provided with a control panel, a socket plate, a sound pick-up, a stereo earphone and a stereo loudspeaker; a controller is arranged in the multifunctional platform; the control panel, the socket plate and the sound pick-up are connected with the input end of the controller, and the stereo earphone and the stereo loudspeaker are connected with the output end of the controller. This stereo solfeggio teaching device is on the basis of perfecting the original function of current music stand, through the real-time proofreading, the radio and the reinspection to user's basic frequency sound, through singing more, listen more, to comparing, can in time discover and correct the deviation of solfeggio in-process intonation and rhythm, overcome the mutual interference that the student appears in the contact of singing in the collective simultaneously, the promotion that is showing is solfeggio the effect of training.

Description

Stereo solfeggio teaching device

Technical Field

The utility model relates to a vocal music teaching equipment, in particular to can be at the training in-process of singing of looking, proofreading in real time, radio-recorder and reinspection to eliminate the stereo of mutual interference phenomenon in the collective contact and look singing and practise ear teaching device.

Background

The vision-singing ear-practicing is one of basic subjects of music, and students are trained to independently use vision, hearing and feeling to quickly read music scores and control the accuracy of pronunciation by a mode of reading a large number of music scores and singing directly. The music stand is as basic vocal music teaching equipment, and it is comparatively single as the fixed equipment function of music book, is difficult to play targeted supplementary action to the student in seeing and singing to practice teaching and practising.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is how to overcome the above-mentioned defect of prior art, provide a stereo solfeggio teaching device.

In order to solve the technical problem, the stereo solfeggio teaching device comprises a support frame at the lower part, a multifunctional platform arranged on the support frame and a music stand arranged on the multifunctional platform, wherein a leveling rod is matched on the music stand in a sliding way, and a tone corrector is arranged on one side of the leveling rod; the multifunctional platform is provided with a control panel, a socket plate, a sound pick-up, a stereo earphone and a stereo loudspeaker; a controller is arranged in the multifunctional platform; the control panel, the socket plate and the sound pick-up are connected with the input end of the controller, and the stereo earphone and the stereo loudspeaker are connected with the output end of the controller. The controller includes weak current signal processing module, AD conversion module, the treater, DA conversion module, sound converts the weak current signal into through the vibrations film element in the adapter, input to the amplifier circuit board all the way and enlarge, the output is converted into the sound wave and is spread to the interior vibrating diaphragm of earphone speaker, convert the digital signal input treater of AD conversion module into all the way and store, after control panel input broadcast instruction, the corresponding storage recording of treater calling, the recording storage file is converted into weak current signal output through DA conversion module and is transferred to stereo loudspeaker to the sound wave to transfer. The adapter gathers sound signal and turns into the input control ware behind the signal of telecommunication, and the signal of telecommunication is handled the back through controller amplifier circuit module, exports stereo earphone to sound signal saves in the treater, and the calibrator can carry out intonation and beat speed at the video-song in-process and show, and can calibrate once more when stereo loudspeaker play the video-song file of saving. The AD conversion module can adopt the existing general analog-to-digital conversion circuit, and the DA conversion module can adopt the existing general digital-to-analog conversion circuit; the keyboard control circuit can adopt the existing universal control circuit of a recording pen, the processor is an MCU microprocessor of multimedia 8-bit AT89C51SND1C of Atmel company, the microprocessor uses a universal C51 kernel, and integrates a FLASH storage chip, an MP3 coding and decoder and 4 groups of independent I/O interfaces, and the universal keyboard control under 16 keys can be supported; the sound corrector is a Musedo brand MT-40W sound corrector of Shenzhen sky blue technology, is small in size and provided with a built-in sound pick-up, can calibrate intonation and rhythm of an external sound source, and can display intonation and rhythm speed of picked-up fundamental frequency tones through an indication screen.

The support frame comprises a base, a steel sleeve arranged on the base and a telescopic rod arranged in the steel sleeve, and fastening and positioning bolts are arranged on the steel sleeve. Through the lifting of the telescopic rod in the steel sleeve and the fastening of the telescopic rod by stretching the fastening positioning bolt into the steel sleeve, the height of the multifunctional platform and the music stand above can be adjusted.

Preferably, the stereo headset comprises a left earmuff, a right earmuff, a top hoop used for connecting the two earmuffs, and a plug wire used for connecting the controller; and the earmuffs are internally provided with a loudspeaker and sound insulation cotton.

Preferably, the sound pickup comprises a microphone and a connecting rod, wherein noise reduction cotton is wrapped outside the microphone, and a metal woven mesh is wrapped outside the connecting rod. The cotton of making an uproar is used for getting rid of the noise at the radio reception in-process, and the metal mesh grid can make the connecting rod possess shapeability, is convenient for adjust the angle and the height of adapter.

And preferably, the socket plate is connected with the input end of the controller, and a 3.5mm socket and a USB socket are arranged on the socket plate. The stereo earphone and the stereo loudspeaker are connected with a 3.5mm socket on the socket plate in a plug-in manner through a 3.5mm three-ring plug, so that a sound source input controller of the pickup is realized; the external storage equipment is plugged into the USB3.0 socket on the socket plate to realize the external storage sound source input controller; the sound corrector obtains electricity through a USB socket.

And as optimization, a recording start-stop control key, a playing start-stop control key and a playing item selection key are arranged on the control panel. And a key circuit board is arranged in the control panel, is connected with an IO interface of the processor and is used for controlling the playing control of the external storage sound source.

The utility model relates to a stereo solfeggio teaching device on the basis of perfecting the original function of current music stand, through the real-time proofreading, radio and the reinspection to user's basic frequency sound, through singing more, listen more, to comparing, can in time discover and correct the deviation of solfeggio in-process sound accuracy and rhythm, overcome the mutual interference that the student appears in the contact is sung to the collective simultaneously, the promotion that is showing the effect of solfeggio training.

Drawings

The following describes the stereo solfeggio teaching device further with reference to the accompanying drawings:

FIG. 1 is a schematic view of the structure of the main viewing plane of the stereo solfeggio teaching device;

FIG. 2 is a schematic top plan view of the stereo solfeggio teaching device;

FIG. 3 is a schematic diagram of an exploded structure of a stereo earphone of the stereo solfei teaching device;

FIG. 4 is a connecting line frame diagram of the inner module of the controller of the teaching device for stereo solfeggio practice;

fig. 5 is a connection wire frame diagram of a processor module of the stereo solfeggio teaching device.

In the figure:

1-a support frame, 2-a multifunctional platform and 3-a music stand;

11-base, 12-steel sleeve, 13-telescopic rod, 14-fastening positioning bolt, 21-control panel, 22-socket plate, 23-sound pick-up, 24-stereo earphone, 25-stereo loudspeaker, 26-controller, 31-leveling rod and 32-tone corrector;

211-recording start-stop control key, 212-playing control key, 213-playing item selection key, 221-3.5mm socket, 222-USB socket, 231-microphone, 232-connecting rod, 233-noise reduction cotton, 234-metal woven net, 241-ear shield, 242-top hoop, 243-plug cord, 244-loudspeaker and 245-soundproof cotton.

Detailed Description

As shown in fig. 1 to 5, the stereo solfeggio teaching device comprises a support frame 1 at the lower part, a multifunctional platform 2 arranged on the support frame 1, and a music stand 3 arranged on the multifunctional platform 2, wherein a leveling rod 31 is slidably arranged on the music stand 3, and a tone corrector 32 is arranged on one side of the leveling rod 31; the multifunctional platform 2 is provided with a control panel 21, a socket plate 22, a sound pick-up 23, a stereo earphone 24 and a stereo loudspeaker 25; a controller 26 is arranged inside the multifunctional platform 2; the control panel 21, the socket plate 22 and the sound pick-up 23 are connected with the input end of the controller 26, and the stereo earphone 24 and the stereo loudspeaker 25 are connected with the output end of the controller 26. The controller includes weak current signal processing module, AD conversion module, the treater, DA conversion module, sound converts the weak current signal into through the vibrations film element in the adapter, input to the amplifier circuit board all the way and enlarge, the output is converted into the sound wave and is spread to the interior vibrating diaphragm of earphone speaker, convert the digital signal input treater of AD conversion module into all the way and store, after control panel input broadcast instruction, the corresponding storage recording of treater calling, the recording storage file is converted into weak current signal output through DA conversion module and is transferred to stereo loudspeaker to the sound wave to transfer. The adapter gathers sound signal and turns into the input control ware behind the signal of telecommunication, and the signal of telecommunication is handled the back through controller amplifier circuit module, exports stereo earphone to sound signal saves in the treater, and the calibrator can carry out intonation and beat speed at the video-song in-process and show, and can calibrate once more when stereo loudspeaker play the video-song file of saving. The AD conversion module can adopt the existing general analog-to-digital conversion circuit, and the DA conversion module can adopt the existing general digital-to-analog conversion circuit; the keyboard control circuit can adopt the existing universal control circuit of a recording pen, the processor is an MCU microprocessor of multimedia 8-bit AT89C51SND1C of Atmel company, the microprocessor uses a universal C51 kernel, and integrates a FLASH storage chip, an MP3 coding and decoder and 4 groups of independent I/O interfaces, and the universal keyboard control under 16 keys can be supported; the sound corrector is a Musedo brand MT-40W sound corrector of Shenzhen sky blue technology, is small in size and provided with a built-in sound pick-up, can calibrate intonation and rhythm of an external sound source, and can display intonation and rhythm speed of picked-up fundamental frequency tones through an indication screen.

The support frame 1 comprises a base 11, a steel sleeve 12 arranged on the base 11 and a telescopic rod 13 arranged in the steel sleeve 12, wherein a fastening positioning bolt 14 is arranged on the steel sleeve 12. Through the lifting of the telescopic rod in the steel sleeve and the fastening of the telescopic rod by stretching the fastening positioning bolt into the steel sleeve, the height of the multifunctional platform and the music stand above can be adjusted.

The stereo headphone 24 comprises a left ear cup 241, a right ear cup 241, a top hoop 242 for connecting the two ear cups 241, and a plug cord 243 for connecting the controller 26; a loudspeaker 244 and a soundproof cotton 245 are arranged in the ear cover 241.

The sound pick-up 23 comprises a microphone 231 and a connecting rod 232, wherein the microphone 231 is wrapped with noise reduction cotton 233, and the connecting rod 232 is wrapped with a metal mesh grid 234. The cotton of making an uproar is used for getting rid of the noise at the radio reception in-process, and the metal mesh grid can make the connecting rod possess shapeability, is convenient for adjust the angle and the height of adapter.

The socket plate 22 is connected with the input end of the controller 26, and a 3.5mm socket 221 and a USB socket 222 are arranged on the socket plate 22. The stereo earphone and the stereo loudspeaker are connected with a 3.5mm socket on the socket plate in a plug-in manner through a 3.5mm three-ring plug, so that a sound source input controller of the pickup is realized; the external storage equipment is plugged into the USB3.0 socket on the socket plate to realize the external storage sound source input controller; the sound corrector obtains electricity through a USB socket.

The control panel 21 is provided with a recording start/stop control key 211, a play start/stop control key 212, and a play item selection key 213. And a key circuit board is arranged in the control panel, is connected with an IO interface of the processor and is used for controlling the playing control of the external storage sound source.

This stereo solfeggio teaching device, on the basis of the original function of perfect current music stand, through the real-time proofreading, radio and retest to user's basic frequency sound, through singing more, listen more, to comparing, can in time discover and correct the deviation of solfeggio in-process intonation and rhythm, overcome the mutual interference that the student appears in the contact of singing in the collective simultaneously, the promotion that is showing is seen the effect of singing the training.

The above embodiments are intended to be illustrative of the manner in which the invention may be made and used by persons skilled in the art, and modifications to the above embodiments will be apparent to those skilled in the art, and it is therefore intended that the invention, including but not limited to the above embodiments, be limited to any methods, processes and products consistent with the principles and novel and inventive features disclosed herein, and which are to be interpreted as illustrative and not in a limiting sense.

Claims

1. The utility model provides a stereo solfeggio teaching device which characterized by: comprises a support frame (1) at the lower part, a multifunctional platform (2) arranged on the support frame (1), and a music stand (3) arranged on the multifunctional platform (2), wherein,

a standard ruler (31) is arranged on the music stand (3) in a sliding mode, and a tone corrector (32) is arranged on one side of the standard ruler (31); the multifunctional platform (2) is provided with a control panel (21), a socket plate (22), a sound pick-up (23), a stereo earphone (24) and a stereo loudspeaker (25); a controller (26) is arranged in the multifunctional platform (2); the control panel (21), the socket plate (22) and the sound pick-up (23) are connected with the input end of the controller (26), and the stereo earphone (24) and the stereo loudspeaker (25) are connected with the output end of the controller (26).

2. The stereo solfeggio teaching device of claim 1, wherein: the supporting frame (1) comprises a base (11), a steel sleeve (12) arranged on the base (11) and an expansion rod (13) arranged in the steel sleeve (12), wherein a fastening positioning bolt (14) is arranged on the steel sleeve (12).

3. A stereo solfeggio teaching device as claimed in claim 2, wherein: the stereo earphone (24) comprises a left ear cup (241), a right ear cup (241), a top hoop (242) used for connecting the two ear cups (241), and a plug cord (243) used for connecting the controller (26); the earmuffs (241) are internally provided with a loudspeaker (244) and sound insulation cotton (245).

4. A stereo solfeggio teaching device as claimed in claim 3, wherein: the sound pick-up (23) comprises a microphone (231) and a connecting rod (232), wherein noise reduction cotton (233) is wrapped outside the microphone (231), and a metal woven mesh (234) is wrapped outside the connecting rod (232).

5. The stereo solfeggio teaching device of claim 4, wherein: the socket plate (22) is connected with the input end of the controller (26), and a 3.5mm socket (221) and a USB socket (222) are arranged on the socket plate (22).

6. The stereo solfeggio teaching device of claim 5, wherein: the control panel (21) is provided with a recording start-stop control key (211), a playing start-stop control key (212) and a playing item selection key (213).