CN210294829U - AI control interactive system for K song music fountain - Google Patents
AI control interactive system for K song music fountain Download PDFInfo
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- CN210294829U CN210294829U CN201921241577.6U CN201921241577U CN210294829U CN 210294829 U CN210294829 U CN 210294829U CN 201921241577 U CN201921241577 U CN 201921241577U CN 210294829 U CN210294829 U CN 210294829U
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Abstract
The utility model discloses a K song music fountain AI control interactive system, including wireless voice input unit, the unit of ordering song, the power amplifier unit, full-color large screen, music input module, multifrequency audio signal acquisition controller, AI main control unit, man-machine input interface, the digital control passageway, the analog control passageway, light audio control passageway, teletransmission analog-digital integrated processing function module, long-range digital analog control break plate, on-the-spot sound control light drive array, the pump, the converter, motor and digital equipment, multifrequency audio signal acquisition controller is connected with AI main control unit, man-machine input interface is connected with AI main control unit, AI main control unit respectively with the digital control passageway, analog control passageway and light audio control passageway are connected. The utility model discloses can do the interdynamic of people with the fountain, can open specific water type and light automatically, and do not need artifical the editor.
Description
Technical Field
The utility model relates to a music fountain field, in particular to K song music fountain AI control interactive system.
Background
The music fountain control system which is most popular in the market at present is characterized in that music fountains are controlled by a DVD, an MP3, a computer and the like, the mode flow is relatively long, the set road type is obvious, and the music fountain control system is slowly old along with the time and the development of the fountain scale and is not innovative enough.
In addition, although the conventional universal analog digital music fountain control system does not need to be edited and has better music follow-up property, the system has no stage effects of main jumping, accompanying jumping, solo and ensemble on the actions of various water types uniformly from top to bottom, and can not automatically distribute or adjust the frequency spectrum to be matched with the water types. The fountain which can be edited by the computer can edit the water type, but each song needs to be edited, is tedious and time-consuming, and cannot be self-adaptive. And most of the control modes are not an independent control system and all the control modes need to be customized by user configuration. The adaptability and the normative are poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide one kind and can do the interdynamic of people with the fountain, can open specific water type and light automatically, and do not need the K song music fountain AI control interactive system of artifical editor.
The utility model provides a technical scheme that its technical problem adopted is: a K song music fountain AI control interaction system is constructed, which comprises a wireless voice input unit, a song requesting unit, a power amplification unit, a full-color large screen, a music input module, a multi-frequency audio signal acquisition controller, an AI main controller, a man-machine input interface, a digital control channel, an analog control channel, a light audio control channel, a remote transmission analog digital comprehensive processing function module, a remote digital analog control distribution plate, a field voice control light drive array, a pump, a frequency converter, a motor and digital equipment, wherein the wireless voice input unit is connected with the power amplification unit through the song requesting unit, the power amplification unit, the full-color large screen and the music input module are all connected with the multi-frequency audio signal acquisition controller, the multi-frequency audio signal acquisition controller is connected with the main control AI, and the man-machine input interface is connected with the AI main controller, the AI main controller is respectively connected with the digital control channel, the analog control channel and the light audio control channel, the digital control channel and the analog control channel are both connected with the remote analog-digital comprehensive processing function module, the remote analog-digital comprehensive processing function module is connected with the remote digital analog control distribution board, the remote digital analog control distribution board is respectively connected with the pump, the frequency converter, the motor and the digital equipment, and the light audio control channel is connected with the field sound control light driving array.
In the karaoke music fountain AI control interactive system of the utility model, the power amplification unit comprises a signal input end, a first capacitor, a first triode, a first resistor, a second triode, a first diode, a second resistor, a second diode, a seventh resistor, a DC power supply, a third diode, a third triode, a third resistor, a fourth triode, a second capacitor, a fourth resistor, a first operational amplifier, a fifth resistor, a second operational amplifier, a third capacitor, a fifth triode, a sixth resistor, a sixth triode, a third capacitor and a signal output end, the signal input end is connected with the positive electrode of the first capacitor, the negative electrode of the first capacitor is connected with the base electrode of the first triode, the emitter electrode of the first triode is respectively connected with the emitter electrode of the second triode, one end of the second resistor and one end of the seventh resistor, the other end of the seventh resistor is respectively connected with the direct-current power supply, the cathode of a third diode, one end of a fourth resistor and the non-inverting input end of the first operational amplifier, the other end of the second resistor is respectively connected with the cathode of the second diode and the base of a third triode, the anode of the third diode is connected with the collector of the third triode, the emitter of the third triode is respectively connected with the base of the second triode and one end of the third resistor, and the collector of the first triode is respectively connected with one end of the first resistor, the anode of the second diode and the base of the fourth triode;
the collector of the second triode is connected with the anode of the first diode, the other end of the third resistor is respectively connected with the collector of the fourth triode, the other end of the fourth resistor and the non-inverting input end of the second operational amplifier, the emitter of the fourth triode is connected with the anode of the second capacitor, the other end of the first resistor, the cathode of the first diode and the cathode of the second capacitor are all grounded, the inverting input end of the first operational amplifier is connected with one end of the fifth resistor, the output end of the first operational amplifier is respectively connected with the other end of the fifth resistor and the base of the fifth triode, the collector of the fifth triode is grounded, the output end of the second operational amplifier is connected with the base of the sixth triode, the inverting input end of the second operational amplifier is connected with the anode of the third capacitor, the negative electrode of the third capacitor and the emitting electrode of the sixth triode are grounded, the emitting electrode of the fifth triode is respectively connected with one end of the sixth resistor, the positive electrode of the fourth capacitor and the signal output end, the other end of the sixth resistor is connected with the collecting electrode of the sixth triode, the negative electrode of the fourth capacitor is grounded, and the resistance value of the seventh resistor is 36k omega.
In the karaoke music fountain AI control interactive system, the power amplifier unit further comprises a fourth diode, the anode of the fourth diode is connected with the anode of the second diode, the cathode of the fourth diode is connected with the base of the fourth triode, and the model of the fourth diode is E-822.
K song music fountain AI control interactive system in, the power amplifier unit still includes eighth resistance, the one end of eighth resistance with second operational amplifier's output is connected, the other end of eighth resistance with the base of sixth triode is connected, the resistance of eighth resistance is 42K omega.
K song music fountain AI control interactive system in, first triode and second triode are PNP type triode, third triode, fourth triode, fifth triode and sixth triode are NPN type triode.
Implement the utility model discloses a K song music fountain AI control interactive system has following beneficial effect: because the music fountain AI control interaction system is an interaction music fountain system based on the AI technology, which changes the old player to control the music fountain, the music fountain can be controlled by adopting the mode of artificial K song to control the music fountain, so that the song voice of people is fused with, commands and moves the music fountain system, and the interaction between people and the fountain is realized, the utility model discloses can carry out the analysis to the singing voice of people and music frequency spectrum, specific water type and light can be opened automatically to the application AI technique, and do not need artifical the editing, consequently the utility model discloses can do the interdynamic of people with the fountain, can open specific water type and light automatically, and do not need artifical the editing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the Karaoke music fountain AI control interaction system of the present invention;
fig. 2 is a schematic circuit diagram of the power amplifier unit in the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the embodiment of the music fountain AI control interactive system for karaoke in the present invention, the schematic structural diagram of the music fountain AI control interactive system for karaoke in is shown in fig. 1. In fig. 1, the karaoke music fountain AI control interactive system comprises a wireless voice input unit 1, a song requesting unit 2, a power amplifier unit 3, a full-color large screen 4, a music input module 5, a multi-frequency audio signal acquisition controller 6, an AI main controller 7, a man-machine input interface 8, a digital control channel 9, an analog control channel 10, a light audio control channel 11, a remote analog digital comprehensive processing function module 12, a remote digital analog control distribution board 13, a field voice control light driving array 14, a pump 15, a frequency converter 16, a motor 17 and a digital quantity device 18.
Wherein, the wireless voice input unit 1 is connected with the power amplifier unit 3 through the song requesting unit 2, the power amplifier unit 3, the full-color large screen 4 and the music input module 5 are all connected with the multi-frequency audio signal acquisition controller 6, the multi-frequency audio signal acquisition controller 6 is connected with the AI main controller 7, the man-machine input interface 8 is connected with the AI main controller 7, the AI main controller 7 is respectively connected with the digital control channel 9, the analog control channel 10 and the light audio control channel 11, the digital control channel 9 and the analog control channel 10 are both connected with the remote transmission analog digital comprehensive processing function module 12, the remote transmission analog digital comprehensive processing function module 12 is connected with the remote digital analog control distribution board 13, the remote digital analog distribution board 13 is respectively connected with the pump 15, the frequency converter 16, the motor 17 and the digital quantity equipment 18 are connected, and the light audio control channel 11 is connected with the field sound control light driving array 14.
The wireless voice input unit 1 employs a wireless microphone. The multi-frequency audio signal acquisition controller 6 can acquire a voice signal or an audio analog signal, specifically, the multi-frequency audio signal acquisition controller 6 acquires a plurality of sections of frequency spectrum signals and sends the frequency spectrum signals to the AI main controller 7, the AI main controller 7 performs frequency spectrum analysis, communication control, analog-digital output and light-music control, after processing and analysis, a digital control signal, an analog control signal and a light color-changing control signal are separated, the digital control signal is sent to the remote analog-digital integrated processing function module 12 through the digital control channel 9, the analog control signal is sent to the remote analog-digital integrated processing function module 12 through the analog control channel 10, the remote analog-digital integrated processing function module 12 outputs a corresponding digital command control signal and a multi-frequency analog audio signal to the remote digital analog control distribution board 13 according to parameters set by the human-computer input interface 8, the remote digital analog control distribution board 13 decodes the signals and then respectively controls the water types connected with the pump 15, the frequency converter 16, the motor 17 and the digital quantity equipment 18. The parameters set by the human-machine input interface 8 include frequency spectrum, amplitude and time.
The man-machine input interface 8 is connected with the AI main controller 7, and the light color-changing control signal is connected with the on-site sound control light driving array 14 through the light audio control channel 11 to control the color tone change of the landscape light.
Specifically, a wireless voice input unit 1, a song requesting unit 2, a power amplifier unit 3, a full-color large screen 4, a music input module 5, a multi-frequency audio signal acquisition controller 6, an AI main controller 7, a man-machine input interface 8, a digital control channel 9, an analog control channel 10 and a light audio control channel 11 are all arranged on a panel of a table or a cabinet.
In this embodiment, the human-computer interface 8 is a human-computer interface liquid crystal display. The human-computer interface liquid crystal screen is provided with frequency spectrum selection, amplitude and time adjustment, and when a user adjusts the analog control channel 10 to be a set value of the channel of the parameter according to the frequency spectrum, the amplitude and the time setting, the remote transmission analog digital comprehensive processing function module 12 outputs a specific control signal after comparison.
The multi-frequency audio signal acquisition controller 6 is responsible for acquiring audio signals and dividing frequency spectrum and amplitude signals of each frequency band, and the signals are connected to the AI main controller 7 through transmission lines for analysis and processing. After analysis and processing, the AI main controller 7 generates multi-frequency signals, and also has 3 paths of digital or analog output to control the light control system (R, B, G), the digital output can control 7 colors of the light, the analog output adopts communication output for 3 paths, and 255-level gray scale is adopted for each path, so that the light has more color changes.
The AI main controller 7 has AI software built therein. The AI main controller 7 receives the multi-segment frequency spectrum signals from the multi-frequency audio signal acquisition controller 6, sends the multi-segment frequency spectrum signals to the internal main MCU for AI analysis, codes are carried out according to the different and amplitude sizes of the audio frequency spectrum, the codes are compared and distributed with the parameters set by the user, in other words, digital control signals, analog control signals and light color-changing control signals are separated through the analysis of the parameters and the amplitude of the audio frequency spectrum and the comparison and algorithm capture of the parameters such as the frequency spectrum, the amplitude and the like, and the control signals are sent to the remote digital analog control distribution board 13 to respectively control the frequency converter 16, the light, the motor 17 and various digital quantity devices 18.
Meanwhile, the AI main controller 7 also separates the RGB signals for controlling the lights, and the RGB signals drive the on-site sound control light driving array 14 through the light audio control channel 11, so that the on-site light array color lights change color and brightness according to the rich colors of 255 levels along with the frequency spectrum and size of the music. The analog signal is transmitted to the remote electric cabinet distribution board through the analog current loop amplifying circuit of the remote digital-analog control distribution board 13, and the audio signal is transmitted to the control object of the next stage.
The remote digital-analog control distribution board 13 receives analog quantity, digital quantity, and light control signals from the AI main controller 7, and amplifies them according to its digital (communication signal) control command by using the principle of current loop, and distributes them to a specific water type or controls the analog quantity and light of the audio frequency of the frequency converter 16.
The system structure can realize the effect of a music fountain like a stage according to the setting of frequency spectrum and inside, the understanding of people to music and the characteristics of music, and has main jumping, accompanying jumping, solo and playing together. The remote digital-analog control distribution board 13 can distribute digital control signals and analog control signals to each specific device without attenuation. The utility model discloses can do the interdynamic of people with the fountain, can open specific water type and light automatically, and do not need artifical the editor.
Fig. 2 is a schematic circuit diagram of a power amplification unit in this embodiment, in fig. 2, the power amplification unit 3 includes a signal input terminal Vin, a first capacitor C1, a first transistor Q1, a first resistor R1, a second transistor Q2, a first diode D1, a second resistor R2, a second diode D2, a seventh resistor R7, a dc power VCC, a third diode D3, a third transistor Q3, a third resistor R3, a fourth transistor Q4, a second capacitor C2, a fourth resistor R4, a first operational amplifier a1, a fifth resistor R5, a second operational amplifier a2, a third capacitor C3, a fifth transistor Q5, a sixth resistor R5, a sixth transistor Q5, a third capacitor C5, and a signal output terminal Vo, the signal input terminal Vin is connected to an anode of the first capacitor C5, a cathode of the first capacitor C5 is connected to a base of the first transistor Q5, and an emitter of the second transistor Q5 is connected to a base of the first transistor Q5, and an emitter of the transistor Q5, respectively, One end of the second resistor R2 is connected to one end of the seventh resistor R7, the other end of the seventh resistor R7 is connected to the dc power VCC, the cathode of the third diode D3, one end of the fourth resistor R4 and the non-inverting input terminal of the first operational amplifier a1, the other end of the second resistor R2 is connected to the cathode of the second diode D2 and the base of the third transistor Q3, the anode of the third diode D3 is connected to the collector of the third transistor Q3, the emitter of the third transistor Q3 is connected to the base of the second transistor Q2 and one end of the third resistor R3, and the collector of the first transistor Q1 is connected to one end of the first resistor R1, the anode of the second diode D2 and the base of the fourth transistor Q4.
The collector of the second triode Q2 is connected with the anode of a first diode D1, the other end of a third resistor R3 is connected with the collector of a fourth triode Q4, the other end of a fourth resistor R4 and the non-inverting input terminal of a second operational amplifier a2, the emitter of the fourth triode Q4 is connected with the anode of a second capacitor C2, the other end of a first resistor R1, the cathode of the first diode D1 and the cathode of the second capacitor C2 are all grounded, the inverting input terminal of the first operational amplifier a1 is connected with one end of a fifth resistor R5, the output terminal of the first operational amplifier a1 is connected with the other end of a fifth resistor R5 and the base of a fifth triode Q5, the collector of the fifth triode Q5 is grounded, the output terminal of the second operational amplifier a2 is connected with the base of a sixth triode Q6, the inverting input terminal of the second operational amplifier a2 is connected with the anode of a third capacitor C3, the cathode of the third capacitor C3 and the emitter of the sixth operational amplifier Q6 are both grounded, an emitter of the fifth triode Q5 is connected to one end of the sixth resistor R6, the anode of the fourth capacitor C4 and the signal output terminal Vo respectively, the other end of the sixth resistor R6 is connected to a collector of the sixth triode Q6, and a cathode of the fourth capacitor C4 is grounded.
The power amplifier unit 3 has the advantages of fewer used components, simpler circuit structure, convenient maintenance and lower hardware cost. The seventh resistor R7 is a current limiting resistor and is used for current limiting protection. The current limiting protection principle is as follows: when the current of the branch where the seventh resistor R7 is located is large, the current of the branch where the seventh resistor R7 is located can be reduced by the seventh resistor R7, so that the branch can be kept in a normal operating state, and the components in the circuit cannot be burnt out due to the large current, so that the safety and reliability of the circuit are high. It should be noted that in the embodiment, the resistance value of the seventh resistor R7 is 36k Ω, and certainly, in practical applications, the resistance value of the seventh resistor R7 may be adjusted according to specific situations, that is, the resistance value of the seventh resistor R7 may be increased or decreased according to specific situations.
When a voice signal is input from the signal input terminal Vin, the voice signal is processed by the power amplification unit 3. The power amplification unit 3 has a stable static working point, so that the waveform of the amplified signal is the same as that of the signal before amplification, signal distortion caused by distortion of the signal after amplification is avoided, and the quality of the voice signal is greatly improved.
In this embodiment, the first transistor Q1 and the second transistor Q2 are PNP transistors, and the third transistor Q3, the fourth transistor Q4, the fifth transistor Q5 and the sixth transistor Q6 are all NPN transistors. Certainly, in practical applications, the first transistor Q1 and the second transistor Q2 may both adopt NPN transistors, and the third transistor Q3, the fourth transistor Q4, the fifth transistor Q5, and the sixth transistor Q6 may also all adopt PNP transistors, and at this time, the circuit structure also needs to be changed correspondingly.
In this embodiment, the power amplifier unit 3 further includes a fourth diode D4, an anode of the fourth diode D4 is connected to an anode of the second diode D2, and a cathode of the fourth diode D4 is connected to a base of the fourth triode Q4. The fourth diode D4 is a current limiting diode, and is used for current limiting protection of the base current of the fourth transistor Q4. The current limiting protection principle is as follows: when the base current of the fourth triode Q4 is large, the base current of the fourth triode Q4 can be reduced by the fourth diode D4 to keep the base current in a normal working state, so that the components in the circuit are not burnt out due to too large current, and the safety and reliability of the circuit are further enhanced. It should be noted that in the present embodiment, the fourth diode D4 has a model number E-822. Of course, in practical applications, the fourth diode D4 may also be another type of diode with similar functions.
In this embodiment, the power amplifier unit 3 further includes an eighth resistor R8, one end of the eighth resistor R8 is connected to the output terminal of the second operational amplifier a2, and the other end of the eighth resistor R8 is connected to the base of the sixth triode Q6. The eighth resistor R8 is a current limiting resistor, and is used for current limiting protection of the base current of the sixth transistor Q6. The current limiting protection principle is as follows: when the base current of the fourth triode Q4 is large, the eighth resistor R8 can reduce the base current of the fourth triode Q4 to keep the base current in a normal working state, so that the elements in the circuit are not burnt out due to too large current, and the safety and reliability of the circuit are further enhanced. It should be noted that in the embodiment, the resistance value of the eighth resistor R8 is 42k Ω, and certainly, in practical applications, the resistance value of the seventh resistor R7 may be adjusted according to specific situations, that is, the resistance value of the seventh resistor R7 may be increased or decreased according to specific situations.
In a word, in this embodiment, this K song music fountain AI control interactive system is an interactive music fountain system based on the whooping of AI technique, music and K song, and this system has changed old player and has carried out music fountain control, the utility model discloses the mode that can adopt artifical K song carries out music fountain control, makes people's song sound merge, commands and moves the fountain system, has accomplished the interdynamic of people with the fountain, the utility model discloses can carry out the analysis to people's song sound and music frequency spectrum, application AI technique can open specific water type and light automatically, and does not need manual editing, consequently the utility model discloses can do the interdynamic of people with the fountain, can open specific water type and light automatically, and do not need manual editing.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A K song music fountain AI control interactive system is characterized by comprising a wireless voice input unit, a song requesting unit, a power amplification unit, a full-color large screen, a music input module, a multi-frequency audio signal acquisition controller, an AI main controller, a man-machine input interface, a digital control channel, an analog control channel, a light audio control channel, a remote analog-digital comprehensive processing function module, a remote digital analog control distribution plate, a field voice control light drive array, a pump, a frequency converter, a motor and a digital device, wherein the wireless voice input unit is connected with the power amplification unit through the song requesting unit, the power amplification unit, the full-color large screen and the music input module are connected with the multi-frequency audio signal acquisition controller, the multi-frequency audio signal acquisition controller is connected with the AI main controller, and the man-machine input interface is connected with the AI main controller, the AI main controller is respectively connected with the digital control channel, the analog control channel and the light audio control channel, the digital control channel and the analog control channel are both connected with the remote analog-digital comprehensive processing function module, the remote analog-digital comprehensive processing function module is connected with the remote digital analog control distribution board, the remote digital analog control distribution board is respectively connected with the pump, the frequency converter, the motor and the digital equipment, and the light audio control channel is connected with the field sound control light driving array.
2. The Karaoke music fountain AI control interaction system of claim 1, wherein the power amplifier unit comprises a signal input terminal, a first capacitor, a first triode, a first resistor, a second triode, a first diode, a second resistor, a second diode, a seventh resistor, a DC power supply, a third diode, a third triode, a third resistor, a fourth triode, a second capacitor, a fourth resistor, a first operational amplifier, a fifth resistor, a second operational amplifier, a third capacitor, a fifth triode, a sixth resistor, a sixth triode, a third capacitor and a signal output terminal, wherein the signal input terminal is connected with the positive electrode of the first capacitor, the negative electrode of the first capacitor is connected with the base electrode of the first triode, the emitter electrode of the first triode is respectively connected with the emitter electrode of the second triode, one end of the second resistor and one end of the seventh resistor, the other end of the seventh resistor is respectively connected with the direct-current power supply, the cathode of a third diode, one end of a fourth resistor and the non-inverting input end of the first operational amplifier, the other end of the second resistor is respectively connected with the cathode of the second diode and the base of a third triode, the anode of the third diode is connected with the collector of the third triode, the emitter of the third triode is respectively connected with the base of the second triode and one end of the third resistor, and the collector of the first triode is respectively connected with one end of the first resistor, the anode of the second diode and the base of the fourth triode;
the collector of the second triode is connected with the anode of the first diode, the other end of the third resistor is respectively connected with the collector of the fourth triode, the other end of the fourth resistor and the non-inverting input end of the second operational amplifier, the emitter of the fourth triode is connected with the anode of the second capacitor, the other end of the first resistor, the cathode of the first diode and the cathode of the second capacitor are all grounded, the inverting input end of the first operational amplifier is connected with one end of the fifth resistor, the output end of the first operational amplifier is respectively connected with the other end of the fifth resistor and the base of the fifth triode, the collector of the fifth triode is grounded, the output end of the second operational amplifier is connected with the base of the sixth triode, the inverting input end of the second operational amplifier is connected with the anode of the third capacitor, the negative electrode of the third capacitor and the emitting electrode of the sixth triode are grounded, the emitting electrode of the fifth triode is respectively connected with one end of the sixth resistor, the positive electrode of the fourth capacitor and the signal output end, the other end of the sixth resistor is connected with the collecting electrode of the sixth triode, the negative electrode of the fourth capacitor is grounded, and the resistance value of the seventh resistor is 36k omega.
3. The Karaoke music fountain AI control interaction system of claim 2, wherein the power amplifier unit further comprises a fourth diode, the anode of the fourth diode is connected with the anode of the second diode, the cathode of the fourth diode is connected with the base of the fourth triode, and the type of the fourth diode is E-822.
4. The Karaoke music fountain AI control interaction system of claim 3, wherein the power amplifier unit further comprises an eighth resistor, one end of the eighth resistor is connected with the output end of the second operational amplifier, the other end of the eighth resistor is connected with the base of the sixth triode, and the resistance of the eighth resistor is 42K Ω.
5. The Karaoke music fountain AI control interaction system of any one of claims 2 to 4, wherein the first and second transistors are PNP type transistors and the third, fourth, fifth and sixth transistors are NPN type transistors.
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| CN201921241577.6U CN210294829U (en) | 2019-07-31 | 2019-07-31 | AI control interactive system for K song music fountain |
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