CN206991756U - A kind of digital piano with Kara OK function - Google Patents
A kind of digital piano with Kara OK function Download PDFInfo
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- CN206991756U CN206991756U CN201720652768.6U CN201720652768U CN206991756U CN 206991756 U CN206991756 U CN 206991756U CN 201720652768 U CN201720652768 U CN 201720652768U CN 206991756 U CN206991756 U CN 206991756U
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Abstract
A kind of digital piano with Kara OK function, including piano playing unit（1）And microphone（2）, it is characterised in that：The piano playing unit（1）With sounds effects editing processor（3）Input be connected, microphone（2）Through audio collection circuit（4）With sounds effects editing processor（3）It is connected, sounds effects editing processor（3）Input on be also associated with MIDI music modules（6）, harmony accompaniment music module（7）And rhythm accompaniment music module（8）, sounds effects editing processor（3）Output end and power amplification system（5）Input be connected, the utility model is compact-sized, can realize demonstration play, with bullet, with bullet and the function such as sing and play by oneself, the study requirement from beginner to player's different levels can be met, be widely used in Piano Teaching, piano begins to learn training, player's training and the occasion such as unmanned automatic playing.
Description
Technical field
A kind of digital piano, more particularly to a kind of digital piano with Kara OK function are the utility model is related to, is belonged to
Piano musical instrument technical field.
Background technology
With the raising that people are required digital piano, digital piano is with outstanding tonequality and abundant function by vast
The favor of music-lover.The spies such as digital piano inheriting tradition piano range originally is broad, tone color is graceful, strong impact
Point, while receive pursuing for users but also with the advantages of price is economical, maintenance cost is low, feature-rich.With technology
For progressive and people to playing desired raising, there are some drawbacks in existing digital piano, for example function is single, without OK a karaoke club
OK functions, do not possess the various instrument tamber rhythm of insertion, automatic accompaniment, harmony accompaniment, editor's melody, rhythm tempo control, shifting
The functions such as tune, sampled voice sensitivity is not high, and antijamming capability is not strong, and overall acoustics is bad, and expressive force is not abundant enough.
The content of the invention
The purpose of this utility model is single for existing function, without Kara OK function, sampled voice sensitivity
The defects of not high, antijamming capability is not strong, and overall acoustics is bad and deficiency, now provide a kind of rational in infrastructure, have OK a karaoke club
OK functions, sampled voice high sensitivity, strong antijamming capability, one kind that overall acoustics is improved have Karaoke work(
The digital piano of energy.
To achieve the above object, technical solution of the present utility model is：A kind of digital steel with Kara OK function
Qin, including piano playing unit and microphone, it is characterised in that：The input of the piano playing unit and sounds effects editing processor
End is connected, and microphone is connected through audio collection circuit with the input of sounds effects editing processor, sounds effects editing processor
MIDI music modules, harmony accompaniment music module and rhythm accompaniment music module are also associated with input, at sounds effects editing
The output end of reason device is connected with the input of power amplification system, the output end of power amplification system respectively with bass horn, mediant trumpet
It is connected with loudspeaker.
The audio collection circuit includes No.1 amplifier, No. two amplifiers, electric capacity C5, electric capacity C7, electric capacity C9, electric capacity
C13, resistance R1, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R15, diode D1 and diode D2,
Electric capacity C5 connects with resistance R1, and resistance R1 is connected with No.1 amplifier and resistance R7 respectively, R7 points of No.1 amplifier and resistance
Be not connected with No. two amplifiers, No. two amplifiers respectively with resistance R10, resistance R11, diode D1, diode D2 and electricity
Resistance R15 be connected, diode D1 and diode D2 are connected with electric capacity C13 respectively, resistance R15 respectively with resistance R8 and electric capacity C9
It is connected, electric capacity C7 is in parallel after being connected with resistance R9 with electric capacity C9.
The No.1 amplifier is connected with power supply V2 and V6, and No. two amplifiers are connected with power supply V7 and V8, electric capacity C5
It is connected with signal input part, electric capacity C7 and resistance R9 are connected with signal output part respectively.
The sounds effects editing processor is also connected with melody program request module and melody control module respectively.
The MIDI music modules are internally provided with synthesizer, and one or more hall sensings are provided with synthesizer
Device.
The beneficial effects of the utility model are：
1st, the utility model employs sounds effects editing processor and audio collection circuit, and sounds effects editing processor being capable of basis
Transmission of sound signals is controlled bass horn, mediant trumpet by the acoustics that user is set respectively to power amplification system, power amplification system
With loudspeaker sounding, good acoustics is reached.
2nd, the utility model is rational in infrastructure, and noise is low after sampled signal amplification, frequency band is broad, sampled voice high sensitivity,
Also there is volume regulatory function simultaneously, there is good inhibiting effect, strong antijamming capability, overall sound equipment effect to the sound that whistles
Fruit is improved.
Brief description of the drawings
Fig. 1 is principle schematic of the present utility model.
Fig. 2 is the circuit theory diagrams of the utility model audio collection circuit.
In figure：Piano playing unit 1, microphone 2, sounds effects editing processor 3, audio collection circuit 4, power amplification system 5,
MIDI music modules 6, harmony accompaniment music module 7, rhythm accompaniment music module 8, melody program request module 9, melody control module
10, bass horn 11, mediant trumpet 12, loudspeaker 13, No.1 amplifier 14, No. two amplifiers 15, signal input part 16, letter
Number output end 17.
Embodiment
The utility model is described in further detail below in conjunction with brief description of the drawings and embodiment.
Referring to Fig. 1, Fig. 2, a kind of digital piano with Kara OK function of the present utility model, including piano playing unit
1 and microphone 2, it is characterised in that：The piano playing unit 1 is connected with the input of sounds effects editing processor 3, microphone
2 are connected through audio collection circuit 4 with the input of sounds effects editing processor 3, also connect on the input of sounds effects editing processor 3
Be connected to MIDI music modules 6, harmony accompaniment music module 7 and rhythm accompaniment music module 8, sounds effects editing processor 3 it is defeated
Go out end with the input of power amplification system 5 to be connected, the output end of power amplification system 5 respectively with bass horn 11, mediant trumpet 12 and
Loudspeaker 13 is connected.
The audio collection circuit 4 include 14, No. two amplifiers 15 of No.1 amplifier, electric capacity C5, electric capacity C7, electric capacity C9,
Electric capacity C13, resistance R1, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R15, diode D1 and two poles
Pipe D2, electric capacity C5 connect with resistance R1, and resistance R1 is connected with No.1 amplifier 14 and resistance R7 respectively, the He of No.1 amplifier 14
Resistance R7 is connected with No. two amplifiers 15 respectively, No. two amplifiers 15 respectively with resistance R10, resistance R11, diode D1, two
Pole pipe D2 and resistance R15 are connected, and diode D1 and diode D2 are connected with electric capacity C13 respectively, resistance R15 respectively with electricity
Resistance R8 is connected with electric capacity C9, and electric capacity C7 is in parallel after being connected with resistance R9 with electric capacity C9.
The No.1 amplifier 14 is connected with power supply V2 and V6, and No. two amplifiers 15 are connected with power supply V7 and V8, electricity
Hold C5 with signal input part 16 to be connected, electric capacity C7 and resistance R9 are connected with signal output part 17 respectively.
The sounds effects editing processor 3 is also connected with melody program request module 9 and melody control module 10 respectively.
The MIDI music modules 6 are internally provided with synthesizer, and one or more hall sensings are provided with synthesizer
Device.
As shown in Figure 1, piano playing unit 1 is connected with the input of sounds effects editing processor 3, and microphone 2 is through sound
Frequency Acquisition Circuit 4 is connected with the input of sounds effects editing processor 3, and the song of singer is passed to audio by microphone 2
In editing and processing device 3, MIDI music modules 6, harmony accompaniment music module are also associated with the input of sounds effects editing processor 3
7 and rhythm accompaniment music module 8, extraneous other accompaniment musics etc., which can be also passed in sounds effects editing processor 3, to be carried out
Processing.MIDI music modules 6 are internally provided with synthesizer, and one or more Hall sensors are provided with synthesizer.
The output end of sounds effects editing processor 3 is connected with the input of power amplification system 5, and sounds effects editing processor 3 can
According to the acoustics that user is set by transmission of sound signals to power amplification system 5, the output end of power amplification system 5 respectively with bass loudspeaker
11, mediant trumpet 12 is connected with loudspeaker 13.Power amplification system 5 controls bass horn 11, mediant trumpet 12 and height respectively
The sounding of sound loudspeaker 13, there is good acoustics.Sounds effects editing processor 3 is also requested tune module 9 and melody control with melody respectively
Molding block 10 is connected.
Audio collection circuit 4 includes No.1 amplifier 14, No. two amplifiers 15, electric capacity C5, electric capacity C7, electric capacity C9, electric capacity
C13, resistance R1, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R15, diode D1 and diode D2.
Electric capacity C5 connects with resistance R1, and resistance R1 is connected with No.1 amplifier 14 and resistance R7 respectively, No.1 amplifier 14 and resistance
R7 is connected with No. two amplifiers 15 respectively, No. two amplifiers 15 respectively with resistance R10, resistance R11, diode D1, diode
D2 and resistance R15 are connected, and diode D1 and diode D2 are connected with electric capacity C13 respectively, and the design passes through positive-negative connected two
Pole pipe D1, diode D2 can effectively suppress the sound that whistles.Resistance R15 is connected with resistance R8 and electric capacity C9 respectively, electric capacity C7 and electricity
It is in parallel after resistance R9 series connection with electric capacity C9.No.1 amplifier 14 is connected with power supply V2 and V6, No. two amplifiers 15 and power supply V7
It is connected with V8, electric capacity C5 is connected with signal input part 16, and electric capacity C7 and resistance R9 are connected with signal output part 17 respectively.
Low-noise broadband NE5532 amplifying circuits are employed, by resistance R7 and resistance R1, resistance R11 and resistance R10 determine multiplication factor,
Here multiplication factor is about 22 times, is amplified at twice, and preceding once amplification uses reverse amplification circuit strong antijamming capability, after
Once amplification is beneficial to using the amplifying circuit in the same direction circuit big to output impedance.
The utility model is rational in infrastructure, and noise is low after sampled signal amplification, frequency band is broad, sampled voice high sensitivity, together
When also there is volume regulatory function, there is good inhibiting effect to the sound that whistles.Make the sound of singer by acoustic processing
Sound obtains beautification and retouching, can play traditional piano work and popular piano music, can possess the various musical instrument sounds of insertion again
Function, the expressive forces such as color rhythm, automatic accompaniment, harmony accompaniment, editor's melody, rhythm tempo control, transposition are more abundant.
Claims (5)
1. a kind of digital piano with Kara OK function, including piano playing unit（1）And microphone（2）, it is characterised in that：
The piano playing unit（1）With sounds effects editing processor（3）Input be connected, microphone（2）Through audio collection circuit
（4）With sounds effects editing processor（3）Input be connected, sounds effects editing processor（3）Input on be also associated with MIDI
Music module（6）, harmony accompaniment music module（7）And rhythm accompaniment music module（8）, sounds effects editing processor（3）It is defeated
Go out end and power amplification system（5）Input be connected, power amplification system（5）Output end respectively with bass horn（11）, middle pitch loudspeaker
（12）And loudspeaker（13）It is connected.
A kind of 2. digital piano with Kara OK function according to claim 1, it is characterised in that：The audio collection
Circuit（4）Including No.1 amplifier（14）, No. two amplifiers（15）, electric capacity C5, electric capacity C7, electric capacity C9, electric capacity C13, resistance R1,
Resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R15, diode D1 and diode D2, electric capacity C5 and electricity
Hinder R1 series connection, resistance R1 respectively with No.1 amplifier（14）It is connected with resistance R7, No.1 amplifier（14）Distinguish with resistance R7
With No. two amplifiers（15）It is connected, No. two amplifiers（15）Respectively with resistance R10, resistance R11, diode D1, diode D2
And resistance R15 is connected, diode D1 and diode D2 are connected with electric capacity C13 respectively, resistance R15 respectively with resistance R8 and
Electric capacity C9 is connected, and electric capacity C7 is in parallel after being connected with resistance R9 with electric capacity C9.
A kind of 3. digital piano with Kara OK function according to claim 2, it is characterised in that：The No.1 amplification
Device（14）It is connected with power supply V2 and V6, No. two amplifiers（15）It is connected with power supply V7 and V8, electric capacity C5 and signal input part
（16）Be connected, electric capacity C7 and resistance R9 respectively with signal output part（17）It is connected.
A kind of 4. digital piano with Kara OK function according to claim 1, it is characterised in that：The sounds effects editing
Processor（3）Also respectively with melody request tune module（9）With melody control module（10）It is connected.
A kind of 5. digital piano with Kara OK function according to claim 1, it is characterised in that：The MIDI music
Module（6）Be internally provided with synthesizer, one or more Hall sensors are provided with synthesizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720652768.6U CN206991756U (en) | 2017-06-07 | 2017-06-07 | A kind of digital piano with Kara OK function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720652768.6U CN206991756U (en) | 2017-06-07 | 2017-06-07 | A kind of digital piano with Kara OK function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206991756U true CN206991756U (en) | 2018-02-09 |
Family
ID=61396338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720652768.6U Active CN206991756U (en) | 2017-06-07 | 2017-06-07 | A kind of digital piano with Kara OK function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206991756U (en) |
-
2017
- 2017-06-07 CN CN201720652768.6U patent/CN206991756U/en active Active
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