CN107705800B - Wireless cloud intelligent control equalizer - Google Patents
Wireless cloud intelligent control equalizer Download PDFInfo
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- CN107705800B CN107705800B CN201711113829.2A CN201711113829A CN107705800B CN 107705800 B CN107705800 B CN 107705800B CN 201711113829 A CN201711113829 A CN 201711113829A CN 107705800 B CN107705800 B CN 107705800B
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- 238000004891 communication Methods 0.000 claims abstract description 41
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
- G10L21/0324—Details of processing therefor
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Quality & Reliability (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention relates to an equalizer, in particular to a wireless cloud intelligent control equalizer, which comprises a box body, a controller, a wireless communication module and an intelligent control terminal, wherein the controller and the wireless communication module are both arranged in the box body; the controller is used for directly controlling the equalizer; the controller is in communication connection with the wireless communication module; the intelligent control terminal is in communication connection with the wireless communication module. The inside of the box body is also provided with a mechanical pushing arm which is connected with a controller, and the controller controls the push-pull key to move along the slideway by controlling the mechanical pushing arm. The wireless cloud intelligent control equalizer provided by the invention establishes a connection between the equalizer and the intelligent control terminal through the controller and the wireless communication module, can realize remote wireless control of the equalizer through the intelligent control terminal, and has the advantages of simple structure, small size, easiness in assembly and disassembly, precise control, maintenance and operation and the like.
Description
Technical Field
The invention relates to an equalizer, in particular to a wireless cloud intelligent control equalizer.
Background
Music players on the market have sound quality defects inevitably due to the limitation of playing time and space, particularly players used in large occasions and the like, because the music players need to be played in an open and oversized space, and the sound is often required to be regulated to the maximum, high-frequency signals (such as digital signals and the like) are easy to attenuate in a high-frequency manner in the transmission process, so that the transmission error rate of the digital signals is increased, and the audio and video equipment is difficult to transmit the perfect sound quality. The equalizer is used as an external device for adjusting the sounding defect of the equipment, can carry out high-frequency compensation on the digital signal before transmitting the digital signal, and can greatly reduce the sounding defect of the equipment. However, the existing equalizer is almost manually adjusted, an operator is required to listen to the sounding defect on the playing site and then return to the background to adjust the equalizer, the manual debugging error is large, and a more accurate effect is difficult to achieve, so that the working efficiency is reduced, and the adjusting effect is difficult to guarantee. There are also some equalizers that can be controlled intelligently in the market, and the intelligent control equalizer is implemented by reading a sound source, connecting a sound library, searching a corresponding preset sound, finding out a working module of the equalizer from the preset sound and an equalizer adjusting mode, and adjusting the equalizer. Obviously, the adjusting method is to find the information of the corresponding sound source in the set sound library without manual operation, and the sound library cannot completely cover all the actual sound sources in the scene, so that the defect that the best sound quality cannot be transmitted exists.
In summary, providing an equalizer that can realize intelligent control of an artificial wireless cloud and can realize accurate control is a problem to be solved.
Disclosure of Invention
The invention aims to provide a wireless cloud intelligent control equalizer, which can realize wireless cloud intelligent control on the equalizer and can realize accurate control.
In order to achieve the above object, the present invention provides the following technical solutions:
a wireless cloud intelligent control equalizer, which comprises a box body, a controller, a wireless communication module and an intelligent control terminal, wherein,
the controller and the wireless communication module are both arranged in the box body;
the controller is used for directly controlling the equalizer; the controller is in communication connection with the wireless communication module;
and the intelligent control terminal is in communication connection with the wireless communication module.
Preferably, in the wireless cloud intelligent control equalizer, the box body is a cuboid, and a rounded corner is arranged on a ridge of the box body.
Preferably, in the wireless cloud intelligent control equalizer, a controller switch is disposed on a side plate of the box body, and the controller switch is used for controlling the controller to be turned on or turned off.
Preferably, in the wireless cloud intelligent control equalizer, the intelligent control terminal is a smart phone, a tablet computer, a notebook computer or a desktop computer.
Preferably, in the wireless cloud intelligent control equalizer, a plurality of parallel slides are vertically arranged on one side panel of the box body, and a plurality of push-pull keys are connected to the slides;
the inside mechanical pushing hands that still is provided with of box, mechanical pushing hands with the controller is connected, the controller is through control mechanical pushing hands control push-and-pull key is followed the slide removes.
Preferably, in the wireless cloud intelligent control equalizer, the mechanical pushing arm includes a cross beam and a plurality of pushing rods, the number of the pushing rods is equal to that of the push-pull keys, one end of each pushing rod is rotationally connected with the cross beam, and the other end of each pushing rod is connected with the push-pull key.
Preferably, in the wireless cloud intelligent control equalizer, the push rod is a two-section telescopic push rod, the two-section telescopic push rod is an electro-hydraulic push rod, and the push rod is detachably connected with the push-pull key through a magnetic buckle.
Preferably, in the wireless cloud intelligent control equalizer, the mechanical pushing arm includes a cross beam and a plurality of screws; the cross beam is rotationally connected with the box body; the number of the screw rods is equal to that of the push-pull keys, each screw rod is provided with a miniature motor, each miniature motor is in electric signal connection with the controller, one end of each screw rod is in rotary connection with the cross beam, and the other end of each screw rod is connected with the push-pull key.
Preferably, in the wireless cloud intelligent control equalizer, the screw rod is connected with the push-pull key through a cylindrical block, the cylindrical block is provided with a threaded through hole corresponding to the screw rod, the central line of the threaded through hole is perpendicular to the central line of the cylindrical block, two telescopic bulges are symmetrically arranged on the side face of the cylindrical block, a spring piece is arranged on the bottom face of the cylindrical block, and the spring piece is used for controlling telescopic movement of the bulges.
Preferably, in the wireless cloud intelligent control equalizer, the push-pull key is provided with a groove corresponding to the cylindrical block, a recess for accommodating the protrusion is formed in the groove, and the push-pull key is driven to move along the slideway by rotation of the screw after the groove is in butt joint with the cylindrical block.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the wireless cloud intelligent control equalizer, the equalizer is connected with the intelligent control terminal through the controller and the wireless communication module, remote wireless control of the equalizer can be achieved through the intelligent control terminal, and the intelligent control terminal can achieve accurate control of the equalizer.
2. The wireless cloud intelligent control equalizer provided by the invention has the advantages of simple structure, small size, easiness in disassembly, assembly, maintenance, operation and the like.
3. The wireless cloud intelligent control equalizer provided by the invention improves the use efficiency of the equalizer, and has the advantages of intuitionism and clarity and obvious economic effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. Wherein:
fig. 1 is a schematic diagram of the structure of a wireless cloud intelligent control equalizer of the present invention.
Fig. 2 is a side view of the wireless cloud intelligent control equalizer of the present invention.
Fig. 3 is a cross-sectional view of an embodiment of a wireless cloud intelligent control equalizer according to the present invention.
Fig. 4 is a schematic structural diagram of a mechanical pushing arm of an embodiment of a wireless cloud intelligent control equalizer according to the present invention.
Fig. 5 is a schematic structural diagram of a push rod of a mechanical push arm of an embodiment of a wireless cloud intelligent control equalizer according to the present invention.
Fig. 6 is a cross-sectional view of a wireless cloud intelligent control equalizer according to another embodiment of the present invention.
Fig. 7 is a schematic diagram of a mechanical pushing arm of another embodiment of the wireless cloud intelligent control equalizer of the present invention.
Fig. 8 is a schematic block diagram of a wireless cloud intelligent control equalizer according to another embodiment of the present invention.
Reference numerals illustrate:
1-a box body; 2-a controller; 3-a controller switch; 4-switching; 5-a slideway; 6-push-pull key; 7-a cross beam; 8-pushing rod; 9-magnetic snap; 10-screw rod; 11-cylinder blocks; 12-bulge; 13-a spring piece; 21-motor.
Detailed Description
The invention will be described in detail below with reference to the drawings in connection with embodiments. The examples are provided by way of explanation of the invention and not limitation of the invention. Indeed, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For example, features illustrated or described as part of one embodiment can be used on another embodiment to yield still a further embodiment. Accordingly, it is intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and their equivalents.
In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
As shown in fig. 1 to 2, the invention provides a wireless cloud intelligent control equalizer, which comprises a box body 1, a controller 2, a wireless communication module and an intelligent control terminal.
The case 1 may be a rectangular parallelepiped. Preferably, rounded corners are provided on all edges of the case 1. The wireless communication module and the controller 2 are both arranged inside the box body 1 of the equalizer.
The controller 2 is used to directly control the equalizer. The communication connection between the controller 2 and the wireless communication module may be, for example, a wired electrical signal connection or a wireless communication signal connection. The controller 2 may control the equalizer by receiving information from the wireless communication module. The controller 2 may be, for example, a single-chip microcomputer.
The wireless communication module is arranged in the box body 1 and is used for establishing a connection between the intelligent control terminal and the equalizer. The wireless communication module may be, for example, a 2.4G wireless communication module or a 5G wireless communication module.
The intelligent control terminal and the wireless communication module are in communication connection, for example, the intelligent control terminal and the wireless communication module can be connected through a wired electric signal or a wireless communication signal. Preferably a wireless communication signal connection. The intelligent control terminal can be a smart phone, a tablet personal computer, a notebook computer or a desktop computer, etc.
Specifically, the connection between the intelligent control terminal and the equalizer is established by controlling the push-pull key 6 through the controller 2.
As shown in fig. 1, a plurality of slide ways 5 are vertically arranged on one side plate of the equalizer in parallel, a push-pull key 6 is correspondingly arranged in each slide way 5, and a switch 4 for controlling the equalizer to be turned on or off is arranged on the right side of all slide ways 5.
As shown in fig. 2, the controller 2 is provided on a side wall of the inside of the case 1. The controller switch 3 is arranged on the side wall of the box body 1 side by side with the controller 2. The controller switch 3 is used to control the controller 2 to be turned on or off.
The controller 2 described above is able to establish communication with the push-pull key 6 and control the movement of the push-pull key 6 along the slide 5.
The equalizer provided by the invention can realize wireless cloud intelligent control through the components, and comprises the following specific steps:
1. turning on the controller switch 3 in a state that the equalizer is turned on;
2. the intelligent control terminal issues an adjusting command for the equalizer;
3. the wireless communication module receives a command of the intelligent control terminal;
4. the wireless communication module transmits the command to the controller 2;
5. the controller 2 receives a command to control the push-pull key 6 to move along the slideway 5.
In the above step 4, the controller 2 controls the push-pull key 6 by a mechanical push-arm.
As shown in fig. 3, a cross-sectional view of an equalizer according to a preferred embodiment of the present invention is provided, in which a mechanical pushing arm is provided inside the equalizer. The mechanical pushing arm comprises: a cross beam 7 and a push rod 8. The cross beam 7 is arranged at the top end of one side plate in the equalizer, the cross beam 7 is an elongated straight rod, and the length of the straight rod is not less than the sum of the lengths of all the sliding ways 5 distributed on the side plate of the equalizer.
The push rods 8 are two-section telescopic push rods, the number of the push rods 8 is equal to that of the push-pull keys 6, the positions of the push rods 8 and the push-pull keys 6 are correspondingly arranged, one end of each push rod 8 is vertically arranged on the cross beam 7 and is rotatably connected with the cross beam 7, and the other end of each push rod 8 is connected with the push-pull key 6.
As shown in fig. 4, a magnetic buckle 9 is disposed at one end of the push rod 8 connected with the push-pull key 6, a magnetic chamber for accommodating the magnetic buckle 9 is disposed at the rear part of the push-pull key 6, and the magnetic buckle 9 can be clamped inside the magnetic chamber of the push-pull key 6. When the standby manipulator works, the push rod 8 moves up and down, and the push-pull key 6 can move up and down along with the push rod 8 due to the combination of the magnetic buckle 9 and the push rod 8.
The diameter of the end of the push rod 8 connected with the cross beam 7 is larger than that of the end of the push rod 8 connected with the push-pull key 6.
As shown in fig. 5, the two-stage telescopic push rod 8 may be an electro-hydraulic push rod. The electrohydraulic push rod is a novel flexible transmission mechanism integrating machinery, electricity and liquid and consists of an executing mechanism (oil cylinder), a control mechanism (hydraulic control valve group) and a power source (motor 21). The structural form of the electro-hydraulic push rod can be specifically determined according to the field installation space and the use condition of a user. The motor 21 may receive a signal transmitted from the controller 2 and determine a rotation mode according to a signal command. In the present invention, when the controller 2 receives the signal transmitted from the wireless communication module, the signal is transmitted to the motor 21, and the motor 21 rotates in the forward or reverse direction according to the received signal, thereby providing power to the control mechanism (hydraulic control valve group), and the control mechanism controls the flow direction of the hydraulic oil in the actuator (cylinder), thereby controlling the movement direction and movement distance of the push rod 8. Because each electro-hydraulic push rod is arranged corresponding to one push-pull key 6, each electro-hydraulic push rod independently controls one push-pull key 6, and therefore each push-pull key 6 can be independently controlled as required without mutual interference.
As shown in fig. 6, a cross-sectional view of an equalizer of yet another preferred embodiment provided by the present invention, the mechanical pusher of which includes a cross beam 7 and a screw 10. The cross beam 7 is rotatably arranged at the top end of one side plate in the equalizer, the cross beam 7 is an elongated straight rod, and the length of the straight rod is not less than the sum of the lengths of all the slide ways 5 distributed on the side plate of the equalizer.
The screw rods 10 are rotatably connected to the cross beam 7, the number of the screw rods 10 is equal to that of the push-pull keys 6, the positions of the screw rods 10 on the cross beam 7 are in one-to-one correspondence with the positions of the push-pull keys 6, each screw rod 10 is correspondingly provided with a micro motor, the micro motors can be in signal connection with the controller 2, the rotation mode (forward rotation or reverse rotation) is determined by receiving signals of the controller 2, the micro motors rotate while driving the corresponding screw rods 10 to rotate (the micro motors are mutually independent, the movement of each screw rod 10 is not mutually interfered), and the rotation of the screw rods 10 is converted into the movement direction and the movement distance of the push-pull keys 6 connected with the screw rods through threaded connection while the screw rods 10 rotate.
As shown in fig. 7, the screw 10 is connected to the push-pull key 6 via a cylindrical block 11. Specifically, a threaded through hole corresponding to the screw rod 10 is arranged on the cylindrical block 11, the center line of the threaded through hole is perpendicular to the center line of the cylindrical block 11, and the screw rod 10 is in spiral connection with the cylindrical block 11.
As shown in fig. 8, the side surface of the cylindrical block 11 is symmetrically provided with two protrusions 12, the protrusions 12 are associated with a spring piece 13 at the bottom end of the cylindrical block 11, and a technician can control the extension and retraction of the protrusions 12 by manually operating the spring piece 13.
As shown in fig. 7, the rear portion of the push-pull key 6 is further provided with a groove capable of accommodating the cylindrical block 11, and a recess capable of engaging with the projection 12 is further provided in the groove. That is, the cylindrical block 11 may retract the protrusion 12 into the cylindrical block 11 by manually kneading the spring piece 13, and simultaneously press-fit the cylindrical block 11 into the groove of the push-pull key 6, or may directly snap-fit the cylindrical block 11 into the groove of the push-pull key 6 by manual pressing (because the edge of the protrusion 12 opposite to the push-pull key 6 is a round structure, the protrusion can directly retract into the cylindrical block 11 under the action of pressure, and the other end opposite to the push-pull key 6 is a right-angle edge, and cannot directly retract into the cylindrical block 11 under the action of pressure), and the cylindrical block 11 is driven to move up and down by the rotational movement of the screw 10, thereby driving the push-pull key 6 to realize up and down movement.
The push rod 8 and the screw rod 10 are rotatably connected to the cross beam 7, that is, the push rod 8 and the screw rod 10 can rotate along the axis of the cross beam 7, and the arrangement has the advantages that the push-pull key 6 or the push rod 8 and the screw rod 10 which are failed can be independently replaced, so that the trouble of integrally disassembling the mechanical push arm is avoided, and the mechanical push arm has strong practicability and economy.
The following takes an equalizer as an example, and specifically describes the application of the wireless cloud intelligent control equalizer in combination with practical applications.
First, the switch 4 of the equalizer is turned on (i.e., the equalizer is put in operation).
Then, a controller switch 3 positioned on a side panel of the equalizer in the diagram is turned on, so that the wireless cloud intelligent control system is in a working state.
Then, the intelligent control terminal, that is, the smart phone (in this embodiment, the smart phone is taken as an example) is turned on until an operation panel of the graphic equalizer is displayed on the smart phone interface, so as to prove that the wireless connection between the intelligent control terminal and the graphic equalizer is successful.
Next, the technician can sit on the sound playing spot to listen to the playing defect of the music device and make real-time adjustments to the illustrated equalizer in the background position by adjusting the push-pull key 6 displayed on the smartphone.
The adjusting process is as follows:
the push-pull key 6 on the interface of the intelligent mobile phone is manually pushed and pulled up and down, at the moment, the 2.4 wireless communication module arranged in the equalizer in the diagram receives signals from the intelligent mobile phone and transmits the signals to the controller 2, and the controller 2 controls the mechanical pushing arm to realize up-and-down adjustment of the corresponding push-pull key 6 after receiving the signals.
The mechanical pusher in this embodiment is a combination of a cross beam 7 and a screw 10. The specific working process of the mechanical pushing arm is as follows:
the micro motor arranged on the mechanical push rod receives a control command sent by the controller 2 and locks the combination of the screw rod 10 and the push-pull key 6 corresponding to the micro motor, the screw rod 10 in the locking combination is driven by the micro motor to independently rotate, the push-pull key 6 in the locking combination moves up and down along with the locking combination (the screw rod 10 rotates clockwise, the push-pull key 6 moves upwards, the screw rod 10 rotates anticlockwise, and the push-pull key 6 moves downwards), and the rotation angle of the screw rod 10 is precisely controlled by the controller 2.
The mechanical pushing arm can realize single combined movement or multiple combined simultaneous movements according to the command of the controller 2 until the playing tone quality of the audio device is adjusted to the optimal state.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the wireless cloud intelligent control equalizer, the equalizer is connected with the intelligent control terminal through the controller and the wireless communication module, remote wireless control of the equalizer can be achieved through the intelligent control terminal, and the intelligent control terminal can achieve accurate control of the equalizer.
2. The wireless cloud intelligent control equalizer provided by the invention has the advantages of simple structure, small size, easiness in disassembly, assembly, maintenance, operation and the like.
3. The wireless cloud intelligent control equalizer provided by the invention improves the use efficiency of the equalizer, and has the advantages of intuitionism and clarity and obvious economic effect.
The above is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and variations of the present invention will be apparent to 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 (3)
1. A wireless cloud intelligent control equalizer, which comprises a box body, a controller, a wireless communication module and an intelligent control terminal, wherein,
the controller and the wireless communication module are both arranged in the box body;
the controller is used for directly controlling the equalizer; the controller is in communication connection with the wireless communication module;
the intelligent control terminal is in communication connection with the wireless communication module;
a controller switch is arranged on a side plate of the box body and used for controlling the controller to be turned on or off;
a plurality of parallel slide ways are vertically arranged on one side panel of the box body, and a plurality of push-pull keys are connected to the slide ways;
the inside of the box body is also provided with a mechanical pushing arm, the mechanical pushing arm is connected with the controller, and the controller controls the push-pull key to move along the slideway by controlling the mechanical pushing arm;
the mechanical pushing arm comprises a cross beam and a plurality of pushing rods, the number of the pushing rods is equal to that of the push-pull keys, one end of each pushing rod is rotationally connected with the cross beam, and the other end of each pushing rod is connected with the push-pull keys; the push rod is a two-section type telescopic push rod, the two-section type telescopic push rod is an electrohydraulic push rod, and the push rod and the push-pull key are detachably connected through a magnetic buckle;
or,
the mechanical pushing arm comprises a cross beam and a plurality of screws; the cross beam is rotationally connected with the box body; the number of the screw rods is equal to that of the push-pull keys, each screw rod is provided with a micro motor, the micro motors are in electric signal connection with the controller, one end of each screw rod is in rotary connection with the cross beam, and the other end of each screw rod is connected with the push-pull key; the screw rod is connected with the push-pull key through a cylindrical block, the cylindrical block is provided with a threaded through hole corresponding to the screw rod, the central line of the threaded through hole is perpendicular to the central line of the cylindrical block, two telescopic bulges are symmetrically arranged on the side face of the cylindrical block, a spring piece is arranged on the bottom face of the cylindrical block, and the spring piece is used for controlling the telescopic movement of the bulges; the push-pull key is provided with a groove corresponding to the cylindrical block, a recess for accommodating the protrusion is arranged in the groove, and the push-pull key is driven to move along the slideway through rotation of the screw after the groove is in butt joint with the cylindrical block.
2. The equalizer of claim 1, wherein the housing is a rectangular parallelepiped, and rounded corners are provided on edges of the housing.
3. The equalizer of claim 1, wherein the intelligent control terminal is a smart phone, a tablet computer, a notebook computer, or a desktop computer.
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| CN201711113829.2A CN107705800B (en) | 2017-11-13 | 2017-11-13 | Wireless cloud intelligent control equalizer |
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| CN201711113829.2A CN107705800B (en) | 2017-11-13 | 2017-11-13 | Wireless cloud intelligent control equalizer |
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| 邹伟胜.巧用图表均衡器.音响技术.2004,(05),全文. * |
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