CN112714378A - Resonance sound equipment - Google Patents
Resonance sound equipment Download PDFInfo
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- CN112714378A CN112714378A CN202011619034.0A CN202011619034A CN112714378A CN 112714378 A CN112714378 A CN 112714378A CN 202011619034 A CN202011619034 A CN 202011619034A CN 112714378 A CN112714378 A CN 112714378A
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- 239000000463 material Substances 0.000 claims abstract description 25
- 239000011521 glass Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 241000218657 Picea Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
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- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The present disclosure provides a resonance sound apparatus including: an audio generating device for generating audio within a first frequency range; the frequency adjusting unit is connected with the audio generating device, modulates the audio of the first frequency generated by the audio generating device to generate audio of a second frequency, and the plurality of resonators are respectively connected with different sound channel output ends of the frequency adjusting unit, receive the audio of the second frequency and generate vibration at the second frequency; the resonators are closely attached to different positions of the resonant surface, and the resonant surface is driven by the resonators to generate audio frequency of the second frequency; wherein the second frequency is associated with a thickness, area, or material of the resonant surface. This openly can produce the sound effect at current desk-top, promote user experience.
Description
Technical Field
The utility model relates to a audio amplifier technical field particularly, relates to a resonance sound equipment.
Background
The acoustic equipment is indispensable equipment for people to enjoy music. Conventional stereo set mainly includes parts such as power amplifier, loudspeaker, and this kind of audio equipment has advantages such as nimble removal, convenient to carry, but on the other hand, also often need occupy certain space, especially to some large-scale audio equipment, occupation space is great, and it is inconvenient to use especially to personnel intensive place. In addition, to achieve a desired sound effect, the sound system must have a plurality of speakers, which has a large limitation in terms of wiring and use places.
Disclosure of Invention
This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
The disclosed embodiment provides a resonance sound equipment, including:
an audio generating device for generating audio within a first frequency range;
a frequency adjusting unit connected with the audio generating device, modulating the audio of the first frequency generated by the audio generating device and generating the audio of a second frequency,
a plurality of resonators respectively connected to different channel output ends of the frequency modulation unit, receiving the audio frequency of the second frequency, and generating vibration at the second frequency;
the resonators are closely attached to different positions of the resonant surface, and the resonant surface is driven by the resonators to generate audio frequency of the second frequency;
wherein the second frequency is associated with a thickness, area, or material of the resonant surface.
Optionally, the audio processing device further comprises a control unit, the control unit is connected with the frequency modulation unit, and the control unit controls the frequency modulation unit to modulate the audio to the second frequency.
Optionally, the control unit includes an input interface, the thickness, the area and the material parameter of the resonance surface are input through the input interface, and the control unit modulates the output frequency of the frequency modulation unit according to the parameter.
Optionally, the vibration sensor is connected to the resonance surface and configured to sense a vibration frequency of the resonance surface, and when the resonance frequency is inconsistent with the second frequency, a feedback signal is input to the control unit, and the control unit adjusts the output frequency according to the feedback signal.
Optionally, the resonance surface is a plane, and the material includes wood, glass, or metal.
Optionally, the resonance surface is a single planar structure or a plurality of discrete planar structures.
Optionally, when the resonance surface is a plurality of discrete planar structures, each of the discrete planar structures includes at least one resonator.
Optionally, the second frequency satisfies the following condition:
wherein c is a constant, q is a material coefficient, p is a material density, h is a material thickness, and s is a material area.
Optionally, the thickness of the resonance surface is 0.2cm-2cm, and the area is 0.5m2-5m2。
Optionally, the first frequency range is 50-1500 Hz.
Compared with the prior art, the scheme of the embodiment of the disclosure at least has the following beneficial effects:
the present disclosure provides a resonance sound equipment which can play audio by using an existing vibration surface by closely attaching a vibrator to the vibration surface. For example, office table tops, dining tables, conference tables, cabinets and the like, the sound field of the resonant sound table top is wider, medium-high frequency is not directional, and the effect is better.
Drawings
The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements. It should be understood that the drawings are schematic and that elements and features are not necessarily drawn to scale. In the drawings:
fig. 1 shows a structure of a resonance acoustic apparatus according to an embodiment of the present disclosure.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it is to be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the disclosure are for illustration purposes only and are not intended to limit the scope of the disclosure.
It should be understood that the various steps recited in the method embodiments of the present disclosure may be performed in a different order, and/or performed in parallel. Moreover, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the present disclosure is not limited in this respect.
The term "include" and variations thereof as used herein are open-ended, i.e., "including but not limited to". The term "based on" is "based, at least in part, on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Relevant definitions for other terms will be given in the following description.
It should be noted that the terms "first", "second", and the like in the present disclosure are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.
It is noted that references to "a", "an", and "the" modifications in this disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that "one or more" may be used unless the context clearly dictates otherwise.
The names of messages or information exchanged between devices in the embodiments of the present disclosure are for illustrative purposes only, and are not intended to limit the scope of the messages or information.
Alternative embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present disclosure provides a resonance acoustic apparatus including:
an audio generating device for generating audio within a first frequency range; the audio generating device can be any music playing device, such as a mobile phone, a PAD, a computer, and the like, and outputs audio through an audio output interface, wherein the audio has a conventional audio range, and optionally, the first frequency range is 50-1500 Hz. Depending on the choice of the material of the vibrating surface, the first frequency range is 50-200Hz and 800-1000Hz, which is more likely to generate resonance, so as to achieve the best output effect in the shortest time, usually in milliseconds.
And the frequency adjusting unit is connected with the audio frequency generating device, modulates the audio frequency of the first frequency generated by the audio frequency generating device and generates the audio frequency of a second frequency, wherein the second frequency is related to the thickness, the area or the material of the resonance surface. The frequency adjusting unit comprises a frequency modulation circuit and an amplifying circuit, the first frequency is output in a second frequency after being modulated, and the output end of the frequency adjusting unit is provided with a left sound channel interface and a right sound channel interface. The frequency adjustment unit also comprises a power supply input terminal of 12V-21V.
A plurality of resonators respectively connected to different channel output ends of the frequency modulation unit, receiving the audio frequency of the second frequency, and generating vibration at the second frequency; the resonator comprises a shell and a vibration part positioned in the shell, wherein the vibration part generates vibration at a second frequency along with an input signal and drives a vibration surface to generate resonance.
The resonators are closely attached to different positions of the resonant surface, and the resonant surface is driven by the resonators to generate audio frequency of the second frequency; the second frequency range is 50-1500Hz, for example, four resonators are attached to four corners of the lower surface of the table top, two resonators are connected with the left sound channel of the frequency adjusting unit, two resonators are connected with the right sound channel of the frequency adjusting unit, the four resonators vibrate at the same frequency to drive the resonance surface to realize resonance, at the moment, the resonators are distributed more uniformly, and the resonance surface can realize good and stable resonance output.
Optionally, the audio processing device further comprises a control unit, the control unit is connected with the frequency modulation unit, and the control unit controls the frequency modulation unit to modulate the audio to the second frequency. Optionally, the control unit includes an input interface, the thickness, the area and the material parameter of the resonance surface are input through the input interface, and the control unit modulates the output frequency of the frequency modulation unit according to the parameter. For example, the parameters of the resonance surface input through the input interface are spruce, the thickness is 2cm, and the area is 2m2And the control unit calculates the value of the second frequency according to the input parameters, and then controls the frequency modulation unit to modulate the first frequency into the second frequency for output.
Optionally, the vibration sensor is connected to the resonance surface and configured to sense a vibration frequency of the resonance surface, and when the resonance frequency is not consistent with the modulated second frequency, a feedback signal is input to the control unit, and the control unit adjusts the output frequency according to the feedback signal. The calculated second frequency sometimes deviates from the actual vibration frequency of the resonance surface due to the influences of the characteristics of the material, size parameters and the like, at the moment, the actual frequency of the resonance surface can be obtained through the vibration sensor and fed back to the control unit, the control unit adjusts according to the feedback signal, the second frequency is output again after being adjusted, and the second frequency can be adjusted repeatedly until the vibration frequency of the resonance surface is the same as that of the resonator, so that the optimal matching state is achieved, the effective amplification of the audio is completed, and the latest playing state of the audio is realized.
Optionally, the resonance surface is a plane, and the material includes wood, glass, ceramic, metal, and the like.
Optionally, the resonance surface is a single planar structure or a plurality of discrete planar structures. When the resonance surface is a plurality of discrete planar structures, each of the discrete planar structures includes at least one of the resonators. Each resonator is closely attached to a designated position of the resonance surface.
Optionally, as a result of multiple experiments, the second frequency satisfies the following condition:
wherein c is a constant, q is a material coefficient, p is a material density, h is a material thickness, s is a material area, and the units of p, h and s are consistent. The second frequency can be calculated by this formula, but the calculation results have errors due to slight differences in material properties, and repeated adjustments are necessary. For example, the thickness of the resonance surface is 0.2cm-2cm, and the area is 0.5m2-5m2. Preferably, the thickness of the resonance surface is 1cm and the area is 2m2In the numerical state, the size range of the resonance surface is just right, the ideal effect can be obtained for normal audio, the area is too large, the number of resonators required is more, and the calculation accuracy of the second frequency is poorer. The area is too small to generate resonance on the resonance surface, and the accuracy of calculating the second frequency is worse.
The present disclosure provides a resonance sound equipment which can play audio by using an existing vibration surface by closely attaching a vibrator to the vibration surface. For example, office table tops, dining tables, conference tables, cabinets and the like, the sound field of the resonant sound table top is wider, medium-high frequency is not directional, and the effect is better.
The resonance sound desktop is a sound without a loudspeaker, breaks the limitation of the sound effect of the traditional common sound, and the sound transmission of the common sound box is the sound effect achieved by horizontally vibrating air transmission through the loudspeaker, and has certain limitation directivity; the resonant sound table top can be spread at a frequency of 360 degrees.
The resonant sound desktop adopts a Mini USB interface to supply power and transmit audio, and the connecting line in the accessory is a USB +3.5mm data integrated line, so that the connection with a computer is very convenient.
The resonant sound desktop has higher sound wave transmission efficiency, longer transmission distance and no worst listening position, and the traditional sound is a point sound source-the sound wave is a direct diffusion type. Since the sound field of the resonant acoustic tabletop is broader and the medium-high frequency is not directional, the sound is heard at almost any position.
The traditional loudspeaker has large amplitude, is easy to generate distortion and shorten the life surface of a moving mechanical part, and the amplitude of the tabletop of the resonance sound box is very small, so that the problem caused by the traditional sound box is avoided.
The method has diversified scenes and can be used in meeting rooms, classrooms, restaurants and the like.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the disclosure herein is not limited to the particular combination of features described above, but also encompasses other embodiments in which any combination of the features described above or their equivalents does not depart from the spirit of the disclosure. For example, the above features and (but not limited to) the features disclosed in this disclosure having similar functions are replaced with each other to form the technical solution.
Further, while operations are depicted in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order. Under certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while several specific implementation details are included in the above discussion, these should not be construed as limitations on the scope of the disclosure. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single embodiment. Conversely, various features that are described in the context of a single embodiment can also be implemented in multiple embodiments separately or in any suitable subcombination.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.
Claims (10)
1. A resonant acoustic device, comprising:
an audio generating device for generating audio within a first frequency range;
a frequency adjusting unit connected with the audio generating device, modulating the audio of the first frequency generated by the audio generating device and generating the audio of a second frequency,
a plurality of resonators respectively connected to different channel output ends of the frequency modulation unit, receiving the audio frequency of the second frequency, and generating vibration at the second frequency;
the resonators are closely attached to different positions of the resonant surface, and the resonant surface is driven by the resonators to generate audio frequency of the second frequency;
wherein the second frequency is associated with a thickness, area, or material of the resonant surface.
2. The resonance audio apparatus according to claim 1, further comprising a control unit connected to the frequency modulation unit, the control unit controlling the frequency modulation unit to modulate the audio frequency to the second frequency.
3. The resonance audio apparatus according to claim 2, wherein the control unit includes an input interface through which parameters of a thickness, an area, and a material of the resonance surface are input, and modulates the output frequency of the frequency modulation unit according to the parameters.
4. The resonant audio device of claim 2, further comprising a vibration sensor coupled to the resonant surface for sensing a vibration frequency of the resonant surface, wherein when the resonant frequency is not equal to the second frequency, a feedback signal is input to the control unit, and the control unit adjusts the output frequency according to the feedback signal.
5. The resonant acoustic device of claim 1, wherein the resonant surface is planar and the material comprises wood, glass, or metal.
6. The resonant acoustic device of claim 5, wherein the resonant surface is a single planar structure or a plurality of discrete planar structures.
7. The resonant acoustic device of claim 6, wherein the resonant surface is a plurality of discrete planar structures, each of the discrete planar structures comprising at least one of the resonators.
8. The resonance audio apparatus according to claim 5, wherein the second frequency satisfies the following condition:
wherein c is a constant, q is a material coefficient, p is a material density, h is a material thickness, and s is a material area.
9. The resonance acoustic apparatus according to claim 8, wherein the resonance surface has a thickness of 0.2cm to 2cm and an area of 0.5m2-5m2。
10. The resonant acoustic device of claim 9, wherein the first frequency range is 50-1500 Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011619034.0A CN112714378A (en) | 2020-12-30 | 2020-12-30 | Resonance sound equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011619034.0A CN112714378A (en) | 2020-12-30 | 2020-12-30 | Resonance sound equipment |
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| CN112714378A true CN112714378A (en) | 2021-04-27 |
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| CN202011619034.0A Pending CN112714378A (en) | 2020-12-30 | 2020-12-30 | Resonance sound equipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM325690U (en) * | 2007-06-13 | 2008-01-11 | Sinbon Electronics Company Ltd | Audio device |
| JP2008085647A (en) * | 2006-09-27 | 2008-04-10 | Funai Electric Co Ltd | Speaker system and method of adjusting sound quality of speaker |
| CN103839574A (en) * | 2012-11-22 | 2014-06-04 | 上海景岩电子技术有限公司 | MP4 player with resonant sound |
| CN104023298A (en) * | 2013-03-01 | 2014-09-03 | 联想(北京)有限公司 | Signal processing method and electronic equipment |
| CN108650585A (en) * | 2018-06-01 | 2018-10-12 | 联想(北京)有限公司 | A kind of method of adjustment and electronic equipment |
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2020
- 2020-12-30 CN CN202011619034.0A patent/CN112714378A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008085647A (en) * | 2006-09-27 | 2008-04-10 | Funai Electric Co Ltd | Speaker system and method of adjusting sound quality of speaker |
| TWM325690U (en) * | 2007-06-13 | 2008-01-11 | Sinbon Electronics Company Ltd | Audio device |
| CN103839574A (en) * | 2012-11-22 | 2014-06-04 | 上海景岩电子技术有限公司 | MP4 player with resonant sound |
| CN104023298A (en) * | 2013-03-01 | 2014-09-03 | 联想(北京)有限公司 | Signal processing method and electronic equipment |
| CN108650585A (en) * | 2018-06-01 | 2018-10-12 | 联想(北京)有限公司 | A kind of method of adjustment and electronic equipment |
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Application publication date: 20210427 |
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