CN110267164A - A kind of double-tone simultaneous interpretation sound system and double-tone simultaneous interpretation sound equipment - Google Patents
A kind of double-tone simultaneous interpretation sound system and double-tone simultaneous interpretation sound equipment Download PDFInfo
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- CN110267164A CN110267164A CN201910548930.3A CN201910548930A CN110267164A CN 110267164 A CN110267164 A CN 110267164A CN 201910548930 A CN201910548930 A CN 201910548930A CN 110267164 A CN110267164 A CN 110267164A
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- simultaneous interpretation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The invention discloses a kind of double-tone simultaneous interpretation sound system and double-tone simultaneous interpretation sound equipments, it is related to sound technique field and music teaching field, including wireless receiving module, operational amplifier circuit plate, volume control module, bluetooth module, combiner, power amplifier circuit board, loudspeaker group, the wireless receiving module is connected with the operational amplifier circuit plate, the operational amplifier circuit plate is connected by the volume control module with the combiner, the bluetooth module is connected with the combiner, the combiner is connected by the power amplifier circuit board with the loudspeaker group, the present invention can play simultaneously the sound for the sound and teacher's guidance audio file that student plays live, to achieve the effect that student follows teacher that audio sync is taught to learn.
Description
Technical field
The present invention relates to sound technique field and music teaching field, specially a kind of double-tone simultaneous interpretation sound system and double
Sound simultaneous interpretation sound equipment.
Background technique
Although Baffle Box of Bluetooth currently on the market can choose multiple input modes for the selection of source of sound, but in sound
In the actual play of case, a kind of sound can only be played or be to export the music of mobile phone or be the music for exporting external USB flash disk
Or other means obtain audio file music.
And in terms of music learning, be usually the teacher's guidance audio file for hearing out sound equipment broadcasting, then student carries out
Connection, listens practice repeatedly repeatedly, or the music that student oneself plays is recorded, then does pair with the guidance music of teacher
Than such mode cannot achieve the purpose that synchronous study, can not make effective comparison, be quite time consuming, learning efficiency is low.
Summary of the invention
The object of the present invention is to provide a kind of double-tone simultaneous interpretation sound system and double-tone simultaneous interpretation sound equipments, can drill student scene
The sound played and teacher teach the sound of audio file while playing, to achieve the effect that synchronous study.
The purpose of the present invention is be achieved through the following technical solutions: a kind of double-tone simultaneous interpretation sound system, including wirelessly connects
Receive module 12, operational amplifier circuit plate 13, volume control module 11, bluetooth module 7, combiner 8, power amplifier circuit board 9, loudspeaker group
10, the wireless receiving module 12 is connected with the operational amplifier circuit plate 13, and the operational amplifier circuit plate 13 passes through the volume control
Module 11 is connected with the combiner 8, and the bluetooth module 7 is connected with the combiner 8, and the combiner 8 passes through the function
Circuit board 9 is put to be connected with the loudspeaker group 10.
In preferred embodiments, the wireless receiving module 12 uses UHF radio frequency reception plate.
In preferred embodiments, the output end of the bluetooth module 7 includes the first left channel audio output end 1, the
One right audio channel output end 2.
In preferred embodiments, the volume control module 11 be duplex potentiometer, the duplex potentiometer it is defeated
Outlet includes the second left channel audio output end 3, the second right audio channel output end 4.
In preferred embodiments, the combiner 8 includes first capacitor C1, the second capacitor C2, third capacitor C3, the
Four capacitor C4, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, left channel audio output end 5, right channel
Audio output 6, one end of the first capacitor C1 are connect with the first left channel audio output end 1, the first capacitor C1's
The other end is connect by the first resistor R1 with the left channel audio output end 5；One end of the second capacitor C2 and institute
The connection of the first right audio channel output end 2 is stated, the other end of the second capacitor C2 passes through the second resistance R2 and the right side
Channel audio output end 6 connects；One end of the third capacitor C3 is connect with the second left channel audio output end 3, described
The other end of third capacitor C3 is connect by the 3rd resistor R3 with the left channel audio output end 5；4th capacitor
One end of C4 is connect with the second right audio channel output end 4, the other end and the right channel sound of the 4th capacitor C4
Frequency output end 6 connects；The left channel audio output end 5, right audio channel output end 6 connect with the power amplifier circuit board 9 respectively
It connects.
In preferred embodiments, the first capacitor C1, the second capacitor C2, third capacitor C3, the 4th capacitor C4 are equal
For coupled capacitor.
In preferred embodiments, the loudspeaker group 10 includes left channel loudspeaker group, right channel loudspeaker group, institute
It states left channel loudspeaker group and the right channel loudspeaker group is made of a Squawker and a high pitch loudspeaker.
On the other hand, the present invention also provides there is double-tone simultaneous interpretation sound equipment, the double-tone simultaneous interpretation sound equipment is equipped with above-mentioned a kind of double
Sound simultaneous interpretation sound system.
The invention has the benefit that
The present invention is used cooperatively with pickup box, and pickup box picks up and send the wireless audio letter that student plays sound live
Number, while wireless receiving module of the invention receives the audio signal of the live play sound for the corresponding frequency band that pickup box is sent,
The audio signal and wireless receiving module for the audio file that the combiner that the present invention designs can obtain bluetooth module are received
The audio signal for playing sound live converges output, is played out by the loudspeaker of left and right acoustic channels, student is followed
Teacher teaches audio sync to learn, while teaching audio to compare with teacher, and practice shortcoming can be identified obviously, Neng Gouyou
The correction targetedly played helps student's Fast Learning.
Detailed description of the invention
Below according to attached drawing, invention is further described in detail.
Fig. 1 is a kind of system principle flow chart of double-tone simultaneous interpretation sound system described in the embodiment of the present invention；
Fig. 2 is a kind of combiner circuit diagram of double-tone simultaneous interpretation sound system described in the embodiment of the present invention.
In figure:
1, the first left channel audio output end；2, the first right audio channel output end；3, the second left channel audio output end；
4, the second right audio channel output end；5, left channel audio output end；6, right audio channel output end.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.Therefore, below to the reality of the invention provided in the accompanying drawings
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The present invention is further illustrated with specific embodiment below with reference to accompanying drawings.
Embodiment one:
As shown in Figure 1, a kind of double-tone simultaneous interpretation sound system that the embodiment of the present invention one provides, cooperation pickup box is used, institute
Pickup box is stated for picking up student's live play sound and sending student's wireless audio signal, the present invention is receiving the wireless sound of student
While frequency signal, the teacher for also receiving the transmission of other audio-frequence player devices teaches teacher's wireless audio signal of audio file,
And received student's wireless audio signal and teacher's wireless audio signal are played simultaneously, the present invention includes wireless receiving module
12, operational amplifier circuit plate 13, volume control module 11, bluetooth module 7, combiner 8, power amplifier circuit board 9, loudspeaker group 10, wirelessly
Receiving module 12 is used to receive student's wireless audio signal of pickup box transmission, and will send after the decoding of student's wireless audio signal
To operational amplifier circuit plate 13, operational amplifier circuit plate 13 by after the amplification output of student's wireless audio signal after the adjusting of volume control module 11
It is sent to combiner 8；Bluetooth module 7 is used to receive teacher's wireless audio signal of other audio-frequence player devices transmission, and will be old
Teacher's wireless audio signal is sent to combiner 8；Combiner 8 by volume control module 11 adjust after student's wireless audio signal with
Teacher's wireless audio signal that bluetooth module 7 is sent converges output, puts through power amplifier circuit board 9 to the audio signal power after converging
After big processing, it is sent to the broadcasting of loudspeaker group 10, it is the prior art that the wireless receiving module 12, which uses UHF radio frequency reception plate,
And operational amplifier circuit plate 13, power amplifier circuit board 9 are the prior art, are repeated no more.
In specific embodiment, the output end of the bluetooth module 7 includes that the first left channel audio output end 1, first is right
Channel audio output end 2 for receiving teacher's wireless audio signal, and exports left and right acoustic channels audio signal respectively.
In specific embodiment, the volume control module 11 is duplex potentiometer, and duplex potentiometer is the prior art, is used
Treated that audio extraction comes out in adjusting operational amplifier circuit plate 13 on circuit board, is then connected on duplex potentiometer and carries out volume
Control, then again exports back the audio signal after adjusting on circuit board again, and the output end of the duplex potentiometer includes second
Left channel audio output end, the second right audio channel output end.
In specific embodiment, as shown in Fig. 2, the combiner 8 includes first capacitor C1, the second capacitor C2, third electricity
Hold C3, the 4th capacitor C4, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, left channel audio output end
5, right audio channel output end 6, one end of first capacitor C1 are connect with the first left channel audio output end 1, the first capacitor
The other end of C1 is connect by first resistor R1 with left channel audio output end 5；One end of second capacitor C2 and the first right channel
Audio output 2 connects, and the other end of the second capacitor C2 is connect by second resistance R2 with right audio channel output end 6；Third
One end of capacitor C3 is connect with the second left channel audio output end 3, and the other end of third capacitor C3 passes through 3rd resistor R3 and a left side
Channel audio output end 5 connects；One end of 4th capacitor C4 is connect with the second right audio channel output end 4, the 4th capacitor C4's
The other end is connect with right audio channel output end 6；Left channel audio output end 5, right audio channel output end 6 respectively with the function
Put the connection of circuit board 9；The first capacitor C1, the second capacitor C2, third capacitor C3, the 4th capacitor C4 are coupled capacitor；From
The left and right acoustic channels audio signal of the received teacher's wireless audio signal of bluetooth module 7 with from the received student of volume control module 11
The left and right acoustic channels audio signal of wireless audio signal, converges in combiner 8 and is output into left channel audio signal all the way and one
Road right channel audio signal is conveyed to power amplifier circuit board and amplifies processing.
The first capacitor C1, the second capacitor C2, third capacitor C3, the 4th capacitor C4 size be 1uf, described first
Resistance R1, second resistance R2,3rd resistor R3, the 4th resistance R4 are 5.1K Ω.
In specific embodiment, the loudspeaker group 10 includes left channel loudspeaker group, right channel loudspeaker group, from combining
Converge the left channel audio signal all the way of output in device 8 and right channel audio signal passes through 9 enhanced processing of power amplifier circuit board all the way
Afterwards, it is sent to loudspeaker group 10, is played out respectively by left channel loudspeaker and right channel loudspeaker, the left channel loudspeaker
Group and the right channel loudspeaker group are made of a Squawker and a high pitch loudspeaker, and the high pitch loudspeaker is logical
An electrolytic capacitor is crossed to be connected across on Squawker, when audio signal is sent to loudspeaker group 10 by power amplifier circuit board 9, by
Left and right acoustic channels loudspeaker group plays simultaneously, and audio signal is divided into sound intermediate frequency signal and high audio signal, when audio signal passes through institute
When stating electrolytic capacitor, sound intermediate frequency signal therein is filtered out, high audio signal is broadcast across the electrolytic capacitor through high pitch loudspeaker
It puts, sound intermediate frequency signal is played through Squawker, and sound intermediate frequency signal and high audio signal are separately played, and can be obtained preferably
Acoustical quality, while audio signal is played through left and right acoustic channels loudspeaker group, student can obviously distinguish student oneself and drill when listening to
The sound played and teacher teach the sound in audio file, and then understand the difference of performance level, are played simultaneously by this, together
The method of step study makes the performance level fast lifting of student.
Embodiment two:
The embodiment of the present invention two on the basis of example 1, is also provided with double-tone simultaneous interpretation sound equipment, the same acoustic of double-tone
Ring a kind of system of double-tone simultaneous interpretation sound equipment of the installation as described in embodiment one.
Operation principle and using method:
In the embodiment of the present invention, the present invention cooperates pickup box to use, other audio-frequence player devices select smart phone, also may be used
Other audio-frequence player devices bluetooth-capable are selected, the operation principle and using method of the embodiment of the present invention includes following step
It is rapid:
S1, double-tone simultaneous interpretation sound equipment of the present invention is connect with smart phone by bluetooth module, is played in smart phone in advance
The teacher of storage teaches audio file；
The teacher that S2, student follow double-tone simultaneous interpretation sound equipment of the present invention to play teaches the sound of audio file to play live
Practice；
The corresponding frequency band that S3, double-tone simultaneous interpretation sound equipment of the present invention are picked up and sent by wireless receiving module reception pickup box
Student plays sound live, and is connect the received teacher's wireless audio signal of bluetooth module with wireless receiving module by combiner
Student's wireless audio signal of receipts converges output, then by playing simultaneously after 9 enhanced processing of power amplifier circuit board through loudspeaker group
Teacher teaches audio file and student to follow the live play sound of practice, and student is by teaching audio text with the teacher of broadcasting
The sound of part compares, and constantly improves the defect of oneself performance, is played simultaneously by this, the mode of synchronous study, so that
Student constantly improves the performance level of oneself, saves time waste, improves learning efficiency.
Finally, it should be noted that above-described embodiments are merely to illustrate the technical scheme, rather than to it
Limitation；Although the present invention is described in detail referring to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or to part of or all technical features into
Row equivalent replacement；And these modifications or substitutions, it does not separate the essence of the corresponding technical solution various embodiments of the present invention technical side
The range of case.
Claims (8)
1. a kind of double-tone simultaneous interpretation sound system, it is characterised in that: including wireless receiving module (12), operational amplifier circuit plate (13), sound
Measure control module (11), bluetooth module (7), combiner (8), power amplifier circuit board (9), loudspeaker group (10), the wireless receiving
Module (12) is connected with the operational amplifier circuit plate (13), the operational amplifier circuit plate (13) by the volume control module (11) with
The combiner (8) is connected, and the bluetooth module (7) is connected with the combiner (8), and the combiner (8) passes through the function
Circuit board (9) is put to be connected with the loudspeaker group (10).
2. a kind of double-tone simultaneous interpretation sound system according to claim 1, it is characterised in that: the wireless receiving module (12)
Using UHF radio frequency reception plate.
3. a kind of double-tone simultaneous interpretation sound system according to claim 1, it is characterised in that: the bluetooth module (7) it is defeated
Outlet includes the first left channel audio output end (1), the first right audio channel output end (2).
4. a kind of double-tone simultaneous interpretation sound system according to claim 1, it is characterised in that: the volume control module (11)
For duplex potentiometer, the output end of the duplex potentiometer includes the second left channel audio output end (3), the second right audio channel
Output end (4).
5. a kind of double-tone simultaneous interpretation sound system according to claim 4, it is characterised in that: the combiner (8) includes the
One capacitor C1, the second capacitor C2, third capacitor C3, the 4th capacitor C4, first resistor R1, second resistance R2,3rd resistor R3,
Four resistance R4, left channel audio output end (5), right audio channel output end (6), one end of the first capacitor C1 are left with first
Channel audio output end (1) connection, the other end of the first capacitor C1 pass through the first resistor R1 and the L channel sound
Frequency output end (5) connection；One end of the second capacitor C2 is connect with the first right audio channel output end (2), and described
The other end of two capacitor C2 is connect by the second resistance R2 with the right audio channel output end (6)；The third capacitor
One end of C3 is connect with the second left channel audio output end (3), and the other end of the third capacitor C3 passes through the third
Resistance R3 is connect with the left channel audio output end (5)；One end of the 4th capacitor C4 and second right audio channel
Output end (4) connection, the other end of the 4th capacitor C4 are connect with the right audio channel output end (6)；The L channel
Audio output (5), right audio channel output end (6) are connect with the power amplifier circuit board (9) respectively.
6. a kind of double-tone simultaneous interpretation sound system according to claim 5, it is characterised in that: the first capacitor C1, second
Capacitor C2, third capacitor C3, the 4th capacitor C4 are coupled capacitor.
7. a kind of double-tone simultaneous interpretation sound system according to claim 1, it is characterised in that: the loudspeaker group (10) includes
Left channel loudspeaker group, right channel loudspeaker group, the left channel loudspeaker group and the right channel loudspeaker group are by one
Squawker and a high pitch loudspeaker composition.
8. double-tone simultaneous interpretation sound equipment, it is characterised in that: the double-tone simultaneous interpretation sound equipment includes the claims 1-7 described in any item
A kind of double-tone simultaneous interpretation sound system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910548930.3A CN110267164A (en) | 2019-06-24 | 2019-06-24 | A kind of double-tone simultaneous interpretation sound system and double-tone simultaneous interpretation sound equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910548930.3A CN110267164A (en) | 2019-06-24 | 2019-06-24 | A kind of double-tone simultaneous interpretation sound system and double-tone simultaneous interpretation sound equipment |
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| CN110267164A true CN110267164A (en) | 2019-09-20 |
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| CN201910548930.3A Pending CN110267164A (en) | 2019-06-24 | 2019-06-24 | A kind of double-tone simultaneous interpretation sound system and double-tone simultaneous interpretation sound equipment |
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| CN1248760A (en) * | 1998-09-22 | 2000-03-29 | 雅马哈株式会社 | Device for processing microphone signal of karaoke equipment |
| WO2007071954A1 (en) * | 2005-12-19 | 2007-06-28 | Landesberg, Andrew | Live performance entertainment apparatus and method |
| DE102006022200A1 (en) * | 2006-05-12 | 2007-11-15 | Thomson Licensing | Audio, video or control signals distribution device controlling method for television studio, involves connecting selected coupling points to produce signal path, and automatically interlocking coupling points in connecting condition |
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| CN201590242U (en) * | 2010-01-10 | 2010-09-22 | 林细安 | Intelligent voice automatic song-order machine |
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