CN110166895A - The ultralow audio frequency sound wave generation device of suction strainer noise - Google Patents
The ultralow audio frequency sound wave generation device of suction strainer noise Download PDFInfo
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- CN110166895A CN110166895A CN201810150481.2A CN201810150481A CN110166895A CN 110166895 A CN110166895 A CN 110166895A CN 201810150481 A CN201810150481 A CN 201810150481A CN 110166895 A CN110166895 A CN 110166895A
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- sound wave
- waveform generator
- frequency sound
- ultralow
- audio
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses a kind of ultralow audio frequency sound wave generation devices of suction strainer noise, including one first general waveform generator and one second general waveform generator, the first general waveform generator and the second general waveform generator and one first signal integration unit form connection, to differ to obtain a ultralow frequency sound wave using audio, the first signal integration unit is connect with an effect device, and the effect device is formed through a second signal integral unit and a universal signal amplifier and is connected, the universal signal amplifier and a loudspeaker, which are formed, to be connected, the loudspeaker outer rim is connected to a Helmholtz resonator.The present invention enables to equipment to install, and simpler and cost is relatively low.And pure ultralow frequency sound wave can be obtained.
Description
Technical field
The present invention relates to a kind of sound sequence effect devices (arithmetic system), and espespecially a kind of and E.E.G is produced with the ultralow frequency sound wave of frequency range
Generating apparatus.
Background technique
It is known extensively in recent years with the resonance music of frequency with E.E.G, many larger medical institutes have recognized that and by it
It introduces to reach as medically auxiliary user and sets the mind at rest, develops potential, helps for sleep and other effects.According to existing mode,
User reaches effect by listening to the music of capable of emitting particular frequencies, however the sound wave of the frequency due to that can resonate with E.E.G
Belong to ultralow frequency range, is not the frequency range that general sound appliances can be generated directly.
Once had developer with regard to the sound wave of such ultralow frequency range, by two sound sounding simultaneously, when two sound respectively
Audio mutually mix after, physically other than respective frequency, can also be generated according to the arrangement and setting of instrument
The ultralow frequency sound wave (No. 105204961 TaiWan, China utility model patent of application) of frequency phase-difference each other.However it is such
Even if ultralow frequency sound wave in the ear of human body, i.e., is physiologically difficult to hear sound, but physically still there is audio to exist.
Although can produce the ultralow frequency sound wave, original two kinds of audios can generate respective after audio is mutually mixed
Noise, the noise audio are higher than the audio of aforementioned ultralow frequency sound wave, therefore when working as loudspeaker and playing out the ultralow frequency sound wave,
It may also be along with the higher noise of audio, to not attain perfect.There is applicant with " the ultralow audio frequency sound wave of suction strainer noise later
Generation device " applies for No. 106202623 TaiWan, China utility model patent, mainly as shown in Fig. 2, designing a kind of suction strainer noise
Ultralow audio frequency sound wave generation device, including one first general waveform generator 1 and one second general waveform generator 2 should
First general waveform generator 1 and the second general waveform generator 2 and one first signal integration unit 3 form connection, with benefit
It is differed to obtain a ultralow frequency sound wave with audio, which connect with an effect device 4, and the effect device 4 is through one
Second signal integral unit 5 and a universal signal amplifier 6, which are formed, to be connected, the universal signal amplifier 6 and a loudspeaker 7 formation
Connection, 7 outer rim of loudspeaker coat a suction strainer audio layer 8, the suction strainer audio layer 8 can the outer noise of suction strainer, and the outer noise
The audio of the big ultralow frequency sound wave of audio, and the suction strainer audio layer 8 and 7 outer rim of loudspeaker keep a spacing (D).However, if
It is using the design by the suction strainer audio layer 8, under the consideration of general material, in the manufacture of product and equipment, Yao Shixian has
Effect filter sound, probably could must effectively be reached, therefore overall efficiency with the suction strainer audio layer 8 of relatively large distance and suitable thickness
Upper meeting excessively consumed cost and the volume of timber, still there is improved space.
Summary of the invention
In view of the above problem, the present invention provides a kind of ultralow audio frequency sound wave generation devices of suction strainer noise for hair, including
One first general waveform generator and one second general waveform generator, the first general waveform generator and second general
Waveform generator and one first signal integration unit, which are formed, to be connected, and to differ to obtain a ultralow frequency sound wave using audio, this first
Signal integration unit is connect with an effect device, and the effect device is through a second signal integral unit and a universal signal amplifier shape
At connection, the universal signal amplifier and a loudspeaker are formed and are connected, which is connected to a Helmholtz resonator
(Helmholtz resonators), since the Helmholtz resonator (Helmholtz resonators) is total for basic sound
Vibrating system can improve acoustic absorptivity and wide band sound absorption, (such as can be according to reality using different parameters in actual equipment
Equipment and the state that makes a sound establish the stationary stream resistance under neck entrance acoustic impedance computation model, or different neck materials
Rate and acoustic absorptivity) to strengthen resonator for relative high frequency sound generate sound absorption effect, come replace larger volume and
Lengthy and tedious huge filtering equipment, so that equipment installation is simpler and cost is relatively low.And pure ultralow frequency can be obtained
Sound wave.
Detailed description of the invention
Fig. 1 is the relation schematic diagram of each component of the present invention；
Fig. 2 is the relation schematic diagram of each component in the prior art.
Description of symbols: 1- the first general waveform generator；2- the second general waveform generator；The first signal integration of 3-
Unit；4- effect device；5- second signal integral unit；6- universal signal amplifier；7- loudspeaker；8- suction strainer audio layer；1A-
One general waveform generator；2A- the second general waveform generator；3A- the first signal integration unit；4A- effect device；5A- second
Signal integration unit；6A- universal signal amplifier；7A- loudspeaker；9- Helmholtz resonator.
Specific embodiment
Referring to Fig. 1, the present invention provides a kind of ultralow audio frequency sound wave generation device of suction strainer noise, including one first general
Waveform generator 1A and one second general waveform generator 2A, the first general waveform generator 1A and the second general waveform
Generator 2A and one first signal integration unit 3A, which is formed, to be connected, and to differ to obtain a ultralow frequency sound wave using audio, this first
Signal integration unit 3A is connect with an effect device 4A, and effect device 4A is through a second signal integral unit 5A and a universal signal
Amplifier 6A forms connection, and the universal signal amplifier 6A and a loudspeaker 7A, which are formed, to be connected, loudspeaker 7A outer rim cladding one
Suction strainer audio layer 8A, suction strainer audio layer 8A can the outer noise of suction strainer, and the audio of the outer noise is greater than the ultralow frequency sound wave
Audio, and the suction strainer audio layer 8A and loudspeaker 7A outer rim keep a spacing.
First general waveform generator 1A is mainly used to generate the sonic waveforms that a frequency values are P1.The second general wave
Shape generator 2A is primarily used to generate the sonic waveforms that frequency values are P2.It can be used to using the first signal integration unit 3A
(mixingA) will be integrated from the audio of the first general waveform generator 1A and the second general waveform generator 2A and
" difference on the frequency " P1-P2A is generated, the ultralow frequency sound wave for meeting usually possible frequency of brain wave range is generated using the difference on the frequency.
The audio that effect device 4A can be used to after operation integration becomes audio to change its sound property, the effect device
Such as universal space effect can be used in 4A, so as to generate the effect such as reverberation (ReverbA).Second signal integral unit 5A
It can be used to be integrated audio, audio, output to loudspeaker 7A are then amplified by the universal signal amplifier 6A.
By above-mentioned construction, as long as being intended to the cd audio properties CD played and the ultralow frequency sound wave to be generated by step and mode
Execute and integrate, can produce can widely applied and E.E.G with frequency range ultralow frequency sound wave.When music file is blank
It can be considered " mute " mode, user can set ultralow frequency sound wave frequency range in the corresponding E.E.G area to be promoted in any place
Section, such as Alpha wave frequency section, Theta wave frequency range, applicability greatly extend.
The method present invention can use the mode of superposition, increase its dynamics to generate multiple ultralow frequency sound wave, and do not generate
Noise.
In addition, according to this method the present invention caused by sound wave, in addition to indoor and outdoor all can be used other than, due to belonging to the sense of hearing
It is the sound equipment of air sense in listening, amplitude of vibration applicatory is moderate, and user is generated super when general indoor spaces use
Low frequency sound wave energy is not too big, is a kind of pure also without the doubt of pollution environment sound field even if switching to the mode of " mute "
Kind and harmless design.
It can be used to generate mute ultralow frequency sound wave generation device, mainly pass through oscillator, effect device, bandreject filtering
Device, signal integration the unit sound wave that the air frequency range merging in music file is hiding, so can then produce to answer extensively
With E.E.G with the ultralow frequency sound wave of frequency range.It simultaneously can generate ultralow frequency sound wave in a manner of generally perceiving as " mute ",
The modes such as more existing latent energy developing machine, E.E.G resonance instrument have more convenience and popularization.
But the audio that the first general waveform generator 1A and one second general waveform generator 2A are respectively generated
Higher part still may generate ultralow frequency sound wave with the difference on the frequency and be passed.Therefore, loudspeaker 7A outer rim is connected to
One Helmholtz resonator (Helmholtz resonators) 9.Due to the Helmholtz resonator (Helmholtz
Resonators) 9 be basic acoustic-resonance system, can improve acoustic absorptivity and wide band sound absorption, since actual equipment is having
Body has different conditions when implementing, therefore in actual equipment, implements upper to use different parameters (such as can be according to reality
The equipment on border and the state made a sound establish the stationary stream under neck entrance acoustic impedance computation model, or different neck materials
Resistance rate and acoustic absorptivity) to strengthen resonator sound absorption effect is generated for the sound of relative high frequency, it can also replace whereby
The prior art larger volume and lengthy and tedious huge filtering equipment so that equipment more simply installation and cost compared with
It is low.And pure ultralow frequency sound wave can be obtained.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit and model of technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (1)
1. a kind of ultralow audio frequency sound wave generation device of suction strainer noise, which is characterized in that including one first general waveform generator
And one second general waveform generator, the first general waveform generator and the second general waveform generator and one first
Signal integration unit forms connection, to differ to obtain a ultralow frequency sound wave using audio, the first signal integration unit and an effect
The connection of fruit device, and the effect device is formed through a second signal integral unit and a universal signal amplifier and is connected, the universal signal
Amplifier and a loudspeaker, which are formed, to be connected, which is connected to a Helmholtz resonator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810150481.2A CN110166895A (en) | 2018-02-13 | 2018-02-13 | The ultralow audio frequency sound wave generation device of suction strainer noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810150481.2A CN110166895A (en) | 2018-02-13 | 2018-02-13 | The ultralow audio frequency sound wave generation device of suction strainer noise |
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| Publication Number | Publication Date |
|---|---|
| CN110166895A true CN110166895A (en) | 2019-08-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810150481.2A Withdrawn CN110166895A (en) | 2018-02-13 | 2018-02-13 | The ultralow audio frequency sound wave generation device of suction strainer noise |
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| CN (1) | CN110166895A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0638290A (en) * | 1992-07-16 | 1994-02-10 | Sharp Corp | Speaker equipment |
| KR20020058784A (en) * | 2000-12-30 | 2002-07-12 | 이계안 | Changing capacity of volume measuring apparatus |
| CN201219304Y (en) * | 2008-06-04 | 2009-04-08 | 比亚迪股份有限公司 | Mid-bass sound effect processing equipment |
| CN103533488A (en) * | 2013-10-09 | 2014-01-22 | 清华大学 | Helmholtz resonator and design method thereof |
| CN204993827U (en) * | 2015-09-09 | 2016-01-20 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN205987329U (en) * | 2016-04-11 | 2017-02-22 | 林岑芳 | Ultra-low frequency sound wave generating device capable of generating silence |
-
2018
- 2018-02-13 CN CN201810150481.2A patent/CN110166895A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0638290A (en) * | 1992-07-16 | 1994-02-10 | Sharp Corp | Speaker equipment |
| KR20020058784A (en) * | 2000-12-30 | 2002-07-12 | 이계안 | Changing capacity of volume measuring apparatus |
| CN201219304Y (en) * | 2008-06-04 | 2009-04-08 | 比亚迪股份有限公司 | Mid-bass sound effect processing equipment |
| CN103533488A (en) * | 2013-10-09 | 2014-01-22 | 清华大学 | Helmholtz resonator and design method thereof |
| CN204993827U (en) * | 2015-09-09 | 2016-01-20 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN205987329U (en) * | 2016-04-11 | 2017-02-22 | 林岑芳 | Ultra-low frequency sound wave generating device capable of generating silence |
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Application publication date: 20190823 |