CN108449685B - Pickup and guitar - Google Patents
Pickup and guitar Download PDFInfo
- Publication number
- CN108449685B CN108449685B CN201810567236.1A CN201810567236A CN108449685B CN 108449685 B CN108449685 B CN 108449685B CN 201810567236 A CN201810567236 A CN 201810567236A CN 108449685 B CN108449685 B CN 108449685B
- Authority
- CN
- China
- Prior art keywords
- resistor
- interface
- circuit
- capacitor
- pickup
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004891 communication Methods 0.000 claims abstract description 32
- 239000003990 capacitor Substances 0.000 claims description 34
- 230000003750 conditioning effect Effects 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims 3
- 230000006870 function Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The embodiment of the invention provides a pickup and a guitar, and belongs to the field of pickup. The sound pick-up comprises a processor, a volume control knob, a recording interface, a communication circuit, a tail pin interface, a three-section tuning interface, a piezoelectric sheet interface, a microphone interface, a sound pick-up strip interface and a tone switching circuit, wherein the processor, the volume control knob, the recording interface, the communication circuit, the tail pin interface, the three-section tuning interface, the piezoelectric sheet interface, the microphone interface, the sound pick-up strip interface and the tone switching circuit are integrated on a circuit board, and the volume control knob, the recording interface, the communication circuit, the tail pin interface, the three-section tuning interface, the piezoelectric sheet interface, the microphone interface, the sound pick-up strip interface and the tone switching circuit are electrically connected with the processor.
Description
Technical Field
The invention relates to the field of sound pick-up devices, in particular to a sound pick-up device and a guitar.
Background
The pickup on the existing musical instrument does not have a special modularized pickup yet, is the development of a product, and the compatibility is poor, and the musician has to change original pickup if wanting to increase the configuration of pickup, and the process is complicated, increases to musical instrument processing number of times, no matter is cost of labor or musical instrument secondary installation, all wastes time and energy.
Disclosure of Invention
The present invention aims to provide a sound pickup and a guitar, which can improve the technical problems.
Embodiments of the present invention are implemented as follows:
The utility model provides a pickup, its includes treater, volume control knob, record the interface, communication circuit, tail nail interface, three-section tuning interface, piezoelectricity piece interface, microphone interface, pickup strip interface and tone switching circuit, the treater the volume control knob record the interface communication circuit the tail nail interface three-section tuning interface piezoelectricity piece interface microphone interface pickup strip interface with tone switching circuit integration is on the circuit board, volume control knob record the interface communication circuit the tail nail interface three-section tuning interface piezoelectricity piece interface microphone interface pickup strip interface and tone switching circuit all with the treater electricity is connected.
In a preferred embodiment of the present invention, the tone switching circuit includes a tone adjusting circuit, an analog switch, and a microphone volume adjusting circuit, where the tone adjusting circuit and the microphone volume adjusting circuit are both connected to an output end of the analog switch, an input end of the analog switch is respectively used to connect to the processor and detect an external insertion device, and when the analog switch collects that the microphone interface is connected to a microphone, the analog switch switches the tone adjusting circuit to the microphone volume adjusting circuit, so as to implement volume adjustment of the microphone.
In a preferred embodiment of the present invention, the three-segment tuning interface includes a bass adjusting circuit, a midrange adjusting circuit, a treble adjusting circuit and a reverberation adjusting circuit, where the bass adjusting circuit, the midrange adjusting circuit, the treble adjusting circuit and the reverberation adjusting circuit are all connected with the processor.
In a preferred embodiment of the present invention, the foregoing further includes a memory, where the memory is connected to the recording interface.
In a preferred embodiment of the present invention, the above-mentioned device further includes a conditioning circuit, one end of the conditioning circuit is electrically connected to the processor, and the other end of the conditioning circuit is electrically connected to the communication circuit.
In a preferred embodiment of the present invention, the conditioning circuit includes an amplifying circuit, an input end of the amplifying circuit is connected to the communication circuit, and an output end of the amplifying circuit is connected to the processor.
In a preferred embodiment of the present invention, the conditioning circuit further includes a filter circuit, and an output end of the amplifying circuit is connected to the filter circuit, and the filter circuit is connected to the processor.
In a preferred embodiment of the present invention, the foregoing further includes: and the wireless charging receiving module is connected with the power module, and the power module is connected with the processor.
In a preferred embodiment of the present invention, the foregoing further includes: and the wireless charging transmitting module is matched with the wireless charging receiving module.
A guitar comprising a pickup according to any of the preceding embodiments.
The embodiment of the invention has the beneficial effects that: the embodiment of the invention provides a sound pick-up and a guitar, which are characterized in that a volume control knob, a recording interface, a communication circuit, a tail pin interface, a three-section tuning interface, a piezoelectric sheet interface, a microphone interface, a sound pick-up strip interface and a tone switching circuit are all connected with a processor, so that the volume control knob, the recording interface, the communication circuit, the tail pin interface, the three-section tuning interface, the piezoelectric sheet interface, the microphone interface, the sound pick-up strip interface and the tone switching circuit can be controlled by the processor, and a plurality of interfaces are arranged, so that when a certain module function is needed by a musician, the module can be inserted into the interface on the sound pick-up, and the sound pick-up and tone guitar can be operated simply, conveniently and quickly. And a circuit capable of freely switching the attribute of the potentiometer through a tone switching circuit, for example, in a sound pickup, wherein the attribute of one potentiometer is the volume of a control musical instrument, when a microphone is connected, the sound pickup automatically switches the attribute of the potentiometer, and the original volume of the control potentiometer is switched to the volume of the control microphone, so that the compatibility of the sound pickup is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a functional block diagram of a pickup according to a first embodiment of the present invention;
FIG. 2 is a functional block diagram of the pickup of FIG. 1;
FIG. 3 is a circuit schematic of a pick-up strip interface of the pick-up of FIG. 1;
fig. 4 is a circuit schematic of a three-segment tuning interface of the pickup of fig. 1.
Icon: 100-a pickup; 110-a processor; 120-volume control knob; 130-a recording interface; 140-communication circuitry; 150-tail pin interface; 160-three-section tuning interface; 170-a piezoelectric patch interface; 180-microphone interface; 190-pick-up bar interface; 191-tone switching circuit; 192-memory; 193 conditioning circuitry; 194-a wireless charging receiving module; 195-a wireless charging transmission module; 196-power module; 1911-tone adjustment circuit; 1912-microphone volume adjustment circuitry; 1913-analog switch.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
First embodiment
Referring to fig. 1 to 4, the present embodiment provides a pickup 100, which includes a processor 110, a volume control knob 120, a recording interface 130, a communication circuit 140, a tail pin interface 150, a three-stage tuning interface 160, a piezoelectric patch interface 170, a microphone interface 180, a pickup bar interface 190, a tone switching circuit 191, a memory 192, a conditioning circuit 193, a wireless charging receiving module 194, a wireless charging transmitting module 195, and a power module 196.
In this embodiment, a processing program is pre-installed in the processor 110, and specific settings of the processing program may be burned according to actual needs of a user.
The processor 110 may be an integrated circuit chip, and has a signal processing function. The integrated circuit chip may be a general-purpose processor, including a central processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP), etc.; but may also be a digital signal processor (DIGITAL SIGNAL Processing, DSP), application SPECIFIC INTEGRATED Circuit (ASIC), off-the-shelf programmable gate array (Field Programmable GATE ARRAY, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The general purpose processor may be a microprocessor or the integrated circuit chip may be any conventional processor or the like. In this embodiment, the processor 110 may be a processor of STM32 family, such as STM32F103C8T6, STM32F103VET6, or the like.
Further, as an alternative embodiment, when the processor 110 does not have the AD conversion function, an AD converter may be provided to realize the same function.
In this embodiment, the volume control knob 120, the recording interface 130, the communication circuit 140, the tail pin interface 150, the three-stage tuning interface 160, the piezoelectric patch interface 170, the microphone interface 180, the pick-up strip interface 190, and the tone switching circuit 191 are all connected to the processor 110.
The volume control knob 120 is connected to the processor 110 through a signal line or a connection line, and is used for a user to adjust the volume of an external device connected to the pickup 100 by rotating the volume control knob 120. For example, when the pickup 100 circumscribes a guitar, the volume of the guitar is adjusted by rotating the volume control knob 120.
Wherein the volume control knob 120 comprises a volume adjustment circuit, wherein the specific selection of the volume adjustment circuit can be set according to the specific requirements of the user, as the volume adjustment circuit technology is already quite mature, and will not be described too much. For example, a volume adjustment chip of model ET2295 integrated with a volume adjustment circuit may be used.
In this embodiment, the recording interface 130 is connected to the processor 110 and the memory 192, respectively, and the recording interface 130 is used for externally connecting a recording input device, such as a microphone or an audio output end of a guitar, so as to store audio in real time to the memory 192.
Preferably, the model of the recording interface 130 may be iD14INST.
In this embodiment, the communication circuit 140 is configured to perform data communication with an external terminal device, such as a mobile phone, for example, when the communication circuit 140 uses WiFi communication, the communication circuit is connected with the mobile phone through WiFi, so that interconnection is implemented through an APP pre-installed on the mobile phone, and each volume adjustment, such as a microphone volume, of the pickup 100 is adjusted through the mobile phone APP.
In this embodiment, the communication circuit 140 may communicate in a wireless manner, for example, the communication circuit 140 includes: and a wireless communication chip, such as a Bluetooth module, a WiFi module, a ZigBee module, a 3G module, a 4G module or other wireless transmission modules meeting the conditions. For example, the 3G module may be a model number of SIM6320C, CEM631, CEM600, WIDEM8800, FWP103, K3G, WM9881, or the like.
In this embodiment, the tail pin interface 150 is used to output the analog signal processed by the processor 110 to an external device, such as an electric guitar sound or other sound. Here, the present invention is not particularly limited.
In this embodiment, the three-piece tuning interface 160 is used to adjust the bass, midrange, treble and reverberations of the guitar when the guitar is attached.
The three-segment tuning interface 160 includes a bass adjusting circuit, a midrange adjusting circuit, a treble adjusting circuit, and a reverberation adjusting circuit, where the bass adjusting circuit, the midrange adjusting circuit, the treble adjusting circuit, and the reverberation adjusting circuit are all connected to the processor 110.
The bass adjusting circuit, the midrange adjusting circuit and the treble adjusting circuit may be integrated chips with the model of PT 2314.
Wherein the reverberation adjustment circuit may be a chip of model CD 2399.
As an embodiment, the bass adjusting circuit, the midrange adjusting circuit, the treble adjusting circuit and the reverberation adjusting circuit may be integrated together or may be modularized separately, which is not limited herein.
As an embodiment, the three-stage tuning interface 160 includes an operational amplifier U1, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, and a thirteenth resistor R13. The non-inverting input end of the operational amplifier U1 is connected to the port 2, the port 2 is used for being connected to the processor 110, the inverting input end of the operational amplifier U1 is connected to one end of the first capacitor C1, one end of the second capacitor C2 and one end of the fourth capacitor C4, and the other end of the first capacitor C1 is connected to the fifth resistor R5, where the fifth resistor R5 is a sliding resistor. One end of the fifth resistor R5 is connected with the fourth resistor R4, the other end of the fifth resistor R5 is connected with the sixth resistor R6, the fourth resistor R4, the fifth resistor R5 and the sixth resistor R6 are sequentially connected in series, and one end of the sixth resistor R6 is connected with the output end of the operational amplifier U1. The seventh resistor R7, the eighth resistor R8 and the ninth resistor R9 are sequentially connected in series and are connected in parallel with the fourth resistor R4, the fifth resistor R5 and the sixth resistor R6, the other end of the seventh resistor R7 is connected with the fourth resistor R4, and one end of the ninth resistor R9 is connected with the output end of the operational amplifier U1. One end of the second capacitor C2 is connected to the inverting input terminal of the operational amplifier U1, the other end of the second capacitor C2 is connected to the eighth resistor R8, one end of the fourth capacitor C4 is connected to the inverting input terminal of the operational amplifier U1, and the other end of the fourth capacitor C4 is connected to the eleventh resistor R11. The tenth resistor R10, the eleventh resistor R11, and the twelfth resistor R12 are sequentially connected in series, and then connected in parallel with the seventh resistor R7, the eighth resistor R8, and the ninth resistor R9, one end of the twelfth resistor R12 is connected with the output end of the operational amplifier U1, and is grounded through a thirteenth resistor R13, where the thirteenth resistor R13 is a sliding resistor. The third capacitor C3 is connected in parallel with the eighth resistor R8, two ends of the third capacitor C3 are respectively connected to two ends of the eighth resistor R8, and the eighth resistor R8 is a sliding resistor. One end of the fifth capacitor C5 is connected to the thirteenth resistor R13, and the other end of the fifth capacitor C5 is connected to the output terminal OUT.
In this embodiment, the piezoelectric patch interface 170 is used to connect with a piezoelectric patch on the guitar, to capture the vibration of the guitar face plate, and to pick up the guitar sound and the striking sound.
In this embodiment, the microphone interface 180 is used to connect to an external microphone.
The microphone interface 180 may be a TRS interface, an RCA interface, an XLR interface, an AES/EBU interface, or an S/PDIF interface. Here, the present invention is not particularly limited.
The TRS interface, the RCA interface, the XLR interface, the AES/EBU interface, or the S/PDIF interface are all known in the art, and are not described here too much.
In this embodiment, the pickup bar interface 190 is used to connect a pickup bar, where the pickup bar is a probe that collects vibrations of strings and bridge.
In this embodiment, the pickup bar interface 190 includes a first resistor R1, a second resistor R2, a diode D1, and a third resistor R3, where one end of the first resistor R1 is connected to the anode of the diode D1, the other end of the first resistor R1 is connected to the cathode of the diode D1 through the second resistor R2, one end of the third resistor R3 is connected to the cathode of the diode D1, the other end of the third resistor R3 is connected to a power supply VDD, a port 1 is connected to the cathode of the diode D1, and the port 1 is used to connect to the processor 110. The anode of the diode D1 is connected to the external input IN.
In this embodiment, the tone color switching circuit 191 is configured to automatically switch the original tone color adjusting knob to the microphone volume adjustment after the microphone is connected.
As an embodiment, the tone switching circuit 191 includes a tone adjusting circuit 1911, an analog switch 1913, and a microphone volume adjusting circuit 1912, where the tone adjusting circuit 1911 and the microphone volume adjusting circuit 1912 are connected to an output terminal of the analog switch 1913, and an input terminal of the analog switch 1913 is used to connect the processor 110 and detect an external plug-in device, respectively. Wherein the external device is a microphone.
As an embodiment, when the processor 110 captures that the microphone interface 180 is connected to a microphone, the processor 110 switches the tone adjustment circuit 1911 to the microphone volume adjustment circuit 1912 by controlling the analog switch 1913 to implement volume adjustment of the microphone.
As another embodiment, when the analog switch 1913 captures that the microphone interface 180 is connected to a microphone, the analog switch 1913 switches the tone adjustment circuit 1911 to a microphone volume adjustment circuit 1912 to achieve volume adjustment of the microphone.
The tone adjusting circuit 1911 may be a tone adjusting circuit based on TL072, and how to make up the tone adjusting circuit by TL072 is the prior art, and is not described here too much.
Among them, since the technology of the microphone volume adjusting circuit 1912 is already quite mature, it will not be described here too much. For example, the microphone volume adjustment circuit 1912 on a computer or the microphone volume adjustment circuit 1912 on a sound.
The model of the analog switch 1913 may be CD4051, CD4052 or CD4053. Here, the present invention is not particularly limited.
In this embodiment, the memory 192 may be an SSD hard disk or a FLASH memory card. Here, the present invention is not particularly limited.
Wherein the memory 192 is connected to the recording interface 130, so that the audio data recorded by the recording interface 130 is stored in the memory 192.
In this embodiment, the conditioning circuit 193 includes: an amplifying circuit and a filter circuit. The input end of the amplifying circuit is connected to the communication circuit 140, the output end of the amplifying circuit is connected to the filtering circuit, and the filtering circuit is connected to the processor 110.
The amplifying circuit may be an operational amplifier circuit using an amplifier as an amplifying device, or may be a circuit using a triode as an amplifying device.
The filter circuit may be an RC filter circuit or an LC filter circuit. Here, the present invention is not particularly limited.
The power module 196 is used to power the pickup 100 in this embodiment, and the power module 196 is connected to the processor 110.
The power module 196 may be a lithium battery or a lead storage battery, among others. Here, the present invention is not particularly limited.
In this embodiment, in order to facilitate charging, a wireless charging receiving module 194 connected to a power module 196 is preferably provided for receiving electromagnetic signals transmitted by a wireless charging transmitting module 195 that is matched with the wireless charging receiving module 194.
Among them, since the wireless charging technology is already quite mature, it will not be described here too much.
The principle of operation of the sound pickup 100 is: the volume control knob 120, the recording interface 130, the communication circuit 140, the tail pin interface 150, the three-section tuning interface 160, the piezoelectric patch interface 170, the microphone interface 180, the pick-up strip interface 190 and the tone switching circuit 191 are all connected with the processor 110, so that the volume control knob 120, the recording interface 130, the communication circuit 140, the tail pin interface 150, the three-section tuning interface 160, the piezoelectric patch interface 170, the microphone interface 180, the pick-up strip interface 190 and the tone switching circuit 191 can be controlled by the processor 110, and a plurality of interfaces are arranged, so that when a certain module function is needed by a musician, the module can be inserted into the interface on the pick-up 100, and the function can be realized, and the device is simple to operate, convenient and quick. And a circuit capable of freely switching the potentiometer attribute through the tone switching circuit 191, for example, in the sound pickup 100, wherein one potentiometer attribute is to control the instrument volume, after the microphone is connected, the sound pickup 100 automatically switches the tone adjusting circuit 1911 and the microphone volume adjusting circuit 1912 through the analog switch 1913 in the tone switching circuit 191, so as to realize the switching of the potentiometer attribute, and the original control of the potentiometer volume is switched to the control of the microphone volume, thereby improving the compatibility of the sound pickup 100.
It should be noted that this embodiment also provides a guitar having the pickup 100 provided in the above embodiment.
In summary, the sound pickup 100 and guitar according to the present invention are provided, wherein the sound volume control knob 120, the recording interface 130, the communication circuit 140, the tail pin interface 150, the three-stage tuning interface 160, the piezoelectric patch interface 170, the microphone interface 180, the pick-up strip interface 190 and the tone switching circuit 191 are all connected with the processor 110, so that the sound volume control knob 120, the recording interface 130, the communication circuit 140, the tail pin interface 150, the three-stage tuning interface 160, the piezoelectric patch interface 170, the microphone interface 180, the pick-up strip interface 190 and the tone switching circuit 191 can be controlled by the processor 110, and a plurality of interfaces are provided, so that when a certain module function is required by a musician, the module can be inserted into the interface on the sound pickup 100, and the sound pickup 100 can be operated simply, conveniently and quickly. And a circuit capable of freely switching the potentiometer attribute through the tone switching circuit 191, for example, in the sound pickup 100, one of the potentiometer attribute is to control the instrument volume, and when the microphone is connected, the sound pickup 100 automatically switches the potentiometer attribute from the original control of the potentiometer volume to the control of the microphone volume, thereby improving the compatibility of the sound pickup 100.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A pickup, comprising: the sound pickup device comprises a processor, a volume control knob, a recording interface, a communication circuit, a tail pin interface, a three-section tuning interface, a piezoelectric sheet interface, a microphone interface, a sound pickup strip interface and a tone switching circuit, wherein the processor, the volume control knob, the recording interface, the communication circuit, the tail pin interface, the three-section tuning interface, the piezoelectric sheet interface, the microphone interface, the sound pickup strip interface and the tone switching circuit are integrated on a circuit board, and the volume control knob, the recording interface, the communication circuit, the tail pin interface, the three-section tuning interface, the piezoelectric sheet interface, the microphone interface, the sound pickup strip interface and the tone switching circuit are all electrically connected with the processor;
The three-section tuning interface comprises a bass adjusting circuit, a midrange adjusting circuit, a treble adjusting circuit and a reverberation adjusting circuit, wherein the bass adjusting circuit, the midrange adjusting circuit, the treble adjusting circuit and the reverberation adjusting circuit are all connected with the processor; the three-section tuning interface comprises an operational amplifier, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a twelfth resistor and a thirteenth resistor; the non-inverting input end of the operational amplifier is connected with a port, the port is used for being connected with a processor, the inverting input end of the operational amplifier is respectively connected with one ends of the first capacitor, the second capacitor and the fourth capacitor, and the other end of the first capacitor is connected with the fifth resistor; the fifth resistor is a sliding resistor, one end of the fifth resistor is connected with the fourth resistor, the other end of the fifth resistor is connected with the sixth resistor, the fourth resistor, the fifth resistor and the sixth resistor are sequentially connected in series, and one end of the sixth resistor is connected with the output end of the operational amplifier; the seventh resistor, the eighth resistor and the ninth resistor are sequentially connected in series and are connected in parallel with the fourth resistor, the fifth resistor and the sixth resistor, the other end of the seventh resistor is connected with the fourth resistor, and one end of the ninth resistor is connected with the output end of the operational amplifier; one end of the second capacitor is connected with the inverting input end of the operational amplifier, the other end of the second capacitor is connected with the eighth resistor, one end of the fourth capacitor is connected with the inverting input end of the operational amplifier, and the other end of the fourth capacitor is connected with the eleventh resistor; the tenth resistor, the eleventh resistor and the twelfth resistor are sequentially connected in series and then connected with the seventh resistor, the eighth resistor and the ninth resistor in parallel, one end of the twelfth resistor is connected with the output end of the operational amplifier and is grounded through the thirteenth resistor; wherein the thirteenth resistor is a sliding resistor; the third capacitor is connected with the eighth resistor in parallel, two ends of the third capacitor are respectively connected with two ends of the eighth resistor, and the eighth resistor is a sliding resistor; one end of the fifth capacitor is connected with the thirteenth resistor, and the other end of the fifth capacitor is connected with the output end.
2. The pickup of claim 1, wherein the tone switching circuit includes a tone adjustment circuit, an analog switch, and a microphone volume adjustment circuit, the tone adjustment circuit and the microphone volume adjustment circuit are both connected to an output of the analog switch, an input of the analog switch is respectively used to connect the processor and detect an external insertion device, and when the analog switch captures that the microphone interface is connected to a microphone, the analog switch switches the tone adjustment circuit to the microphone volume adjustment circuit to implement volume adjustment of the microphone.
3. The pickup of claim 1, further comprising a memory, the memory being coupled to the recording interface.
4. The pickup of claim 1, further comprising a conditioning circuit having one end electrically connected to the processor and the other end electrically connected to the communication circuit.
5. The pickup of claim 4, wherein the conditioning circuit comprises an amplification circuit, an input of the amplification circuit being coupled to the communication circuit, an output of the amplification circuit being coupled to the processor.
6. The pickup of claim 5, wherein the conditioning circuit further comprises a filter circuit, an output of the amplifying circuit being coupled to the filter circuit, the filter circuit being coupled to the processor.
7. The pickup of claim 1, further comprising: and the wireless charging receiving module is connected with the power module, and the power module is connected with the processor.
8. The pickup of claim 7, further comprising: and the wireless charging transmitting module is matched with the wireless charging receiving module.
9. A guitar, comprising a pickup according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567236.1A CN108449685B (en) | 2018-06-04 | 2018-06-04 | Pickup and guitar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567236.1A CN108449685B (en) | 2018-06-04 | 2018-06-04 | Pickup and guitar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108449685A CN108449685A (en) | 2018-08-24 |
| CN108449685B true CN108449685B (en) | 2024-05-14 |
Family
ID=63205995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810567236.1A Active CN108449685B (en) | 2018-06-04 | 2018-06-04 | Pickup and guitar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108449685B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110225435A (en) * | 2019-06-24 | 2019-09-10 | 卢宇庭 | A kind of portable mobile wireless high-fidelity sound pick-up |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103745714A (en) * | 2014-01-22 | 2014-04-23 | 哈尔滨市道里区五度琴行 | Multifunctional effect guitar |
| CN205406084U (en) * | 2016-03-01 | 2016-07-27 | 陈罕 | Take guitar of voice pickup function |
| CN205491090U (en) * | 2016-01-25 | 2016-08-17 | 惠阳倍铃乐器配件有限公司 | Wireless adapter |
| CN206524182U (en) * | 2017-03-08 | 2017-09-26 | 广州市拿火信息科技有限公司 | A kind of sound pick-up and guitar |
| CN208158854U (en) * | 2018-06-04 | 2018-11-27 | 广州吉木贸易有限责任公司 | A kind of sound pick-up and guitar |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7220912B2 (en) * | 1999-04-26 | 2007-05-22 | Gibson Guitar Corp. | Digital guitar system |
-
2018
- 2018-06-04 CN CN201810567236.1A patent/CN108449685B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103745714A (en) * | 2014-01-22 | 2014-04-23 | 哈尔滨市道里区五度琴行 | Multifunctional effect guitar |
| CN205491090U (en) * | 2016-01-25 | 2016-08-17 | 惠阳倍铃乐器配件有限公司 | Wireless adapter |
| CN205406084U (en) * | 2016-03-01 | 2016-07-27 | 陈罕 | Take guitar of voice pickup function |
| CN206524182U (en) * | 2017-03-08 | 2017-09-26 | 广州市拿火信息科技有限公司 | A kind of sound pick-up and guitar |
| CN208158854U (en) * | 2018-06-04 | 2018-11-27 | 广州吉木贸易有限责任公司 | A kind of sound pick-up and guitar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108449685A (en) | 2018-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205754740U (en) | Mike | |
| CN112073876B (en) | Self-adaptive pickup all-in-one machine control system | |
| CN108449685B (en) | Pickup and guitar | |
| CN211792010U (en) | Self-adaptive pickup all-in-one machine control system | |
| CN208158854U (en) | A kind of sound pick-up and guitar | |
| JP3233150U (en) | Multi-function microphone | |
| CN201465547U (en) | Novel voice player | |
| CN108810685A (en) | A kind of digital microphone | |
| CN204971255U (en) | Electronic blood pressure sphygmomanometer | |
| CN204066712U (en) | A kind of smart bluetooth electronic keyboard system | |
| CN108777138B (en) | Audio information acquisition method and singing device | |
| CN203205048U (en) | Multifunctional portable electric guitar | |
| CN215344963U (en) | Sound box equipment | |
| CN208210221U (en) | Realize the performance device around audio | |
| CN206061042U (en) | Mike | |
| CN111857641A (en) | Live broadcast sound card expansion equipment for realizing simultaneous live broadcast of multiple mobile phones | |
| CN206759670U (en) | A kind of microphone | |
| CN205961410U (en) | Audio ware | |
| CN112530391A (en) | From adapter device of taking digital signal processing | |
| CN109036356A (en) | It is a kind of can radio reception recording Portable silent guitar | |
| CN203482362U (en) | Portable microphone with button precise touching adjustment | |
| CN214045987U (en) | Bluetooth audio adapter and audio playback device | |
| CN204596421U (en) | A kind of storer with the storage of audio frequency real time record and playing function | |
| CN203057462U (en) | Novel voice control sound box | |
| CN218602117U (en) | Recorder circuit and recorder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |