KR101774320B1 - System for suppressing noise between floors and method thereof - Google Patents
System for suppressing noise between floors and method thereof Download PDFInfo
- Publication number
- KR101774320B1 KR101774320B1 KR1020150162471A KR20150162471A KR101774320B1 KR 101774320 B1 KR101774320 B1 KR 101774320B1 KR 1020150162471 A KR1020150162471 A KR 1020150162471A KR 20150162471 A KR20150162471 A KR 20150162471A KR 101774320 B1 KR101774320 B1 KR 101774320B1
- Authority
- KR
- South Korea
- Prior art keywords
- noise
- audio signal
- pressure level
- sound pressure
- processor
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000011229 interlayer Substances 0.000 claims abstract description 56
- 230000005236 sound signal Effects 0.000 claims abstract description 54
- 239000010410 layer Substances 0.000 claims abstract description 11
- 238000001228 spectrum Methods 0.000 claims description 29
- 230000001629 suppression Effects 0.000 claims description 12
- 239000000284 extract Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000463 material Substances 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
- 238000009418 renovation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/8209—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only sound absorbing devices
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
- E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B2001/8263—Mounting of acoustical elements on supporting structure, e.g. framework or wall surface
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
- E04F2290/041—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The present invention relates to a system and a method for suppressing interlayer noise, and more particularly, to a system for suppressing interlayer noise in a building having a multi-layer structure of a plurality of indoor spaces by a floor slab and a wall, Analyzing information detected by a noise detector for detecting a noise introduced into the indoor space, and analyzing information detected by the noise detector to detect a noise of the broadband noise, which is adjusted to a predetermined value when the sound pressure level of the noise is below a set reference value, And ii) if the sound pressure level of the noise exceeds the set reference value, a sound pressure level of a frequency band corresponding to the frequency band of the noise of the generated wideband noise is applied The audio signal of the broadband noise adjusted corresponding to the sound pressure level of the noise And an output unit for outputting a sound corresponding to an audio signal of a wideband noise generated in the processor. According to the present invention, it is possible to maintain a comfortable indoor environment by effectively suppressing noise transmitted to a user's indoor space, and effectively remove interlayer noise by a simple method without additional installation.
Description
The present invention relates to a system for suppressing interlayer noise and a method for suppressing interlayer noise in a building having a multi-layer structure of a plurality of indoor spaces by a floor slab and a wall, Analyzing information detected by a noise detector for detecting noise introduced into the indoor space to generate an audio signal of a broadband noise in which a sound pressure level is adjusted to a predetermined value when the sound pressure level of the noise is below a set reference value, A processor for generating an audio signal of a wideband noise in which a sound pressure level of a frequency band corresponding to a frequency band of noise among the audio signals of the generated wideband noise is adjusted corresponding to a sound pressure level of noise, And a sound corresponding to an audio signal of a wideband noise generated in the processor Power noise suppressing interlayer comprises parts of a system and a method thereof.
Generally, a building such as an apartment, a multi-family house, or a townhouse is formed into a multi-layer structure by an interlayer floor slab and divided into a plurality of indoor spaces by a wall.
The interlayer floor structure and walls of such a building frequently transmit the noise generated in the upper and lower floor rooms or other indoor spaces in the same floor to the indoor space, resulting in hindrance to residential living or work.
Therefore, in order to reduce the interlayer noise, various floor structures and walls have been actively developed and studied for reducing or interrupting the interlayer noise and vibration of the building. The developed floor structure or wall is mostly composed of a floor slab A sound absorbing material or a vibration proof material is laminated on a wall, an air layer is suitably formed, or a structure in which a rubber layer, a fiber layer, a sound absorbing plate and the like are laminated in various layers.
However, since the floor structure or the wall developed until now can not completely block the interlayer noise of the apartment house, the interlayer noise problem still causes disputes between the upper and lower floor residents. Physically blocking the interlayer noise perfectly is the most reliable means of solving the interlayer noise, but physically blocking the interlayer noise is not easy in terms of technology as well as cost
Also, in the case of existing buildings, in order to apply the floor structure or the wall for preventing the interlayer noise, a large-scale renovation work corresponding to the reconstruction is required.
Accordingly, the present inventor proposes a technique for effectively suppressing the inter-layer noise transmitted to the user's indoor space without further construction work.
The present invention aims at solving all of the above problems.
It is another object of the present invention to maintain a pleasant environment by effectively suppressing noise transmitted to a user's indoor space.
It is another object of the present invention to effectively remove interlayer noise transmitted to a user's indoor space.
In order to accomplish the objects of the present invention as described above and achieve the characteristic effects of the present invention described below, the characteristic structure of the present invention is as follows.
According to an aspect of the present invention, there is provided a system for suppressing the interlayer noise in a building having a multi-layer structure of a plurality of indoor spaces by a floor slab and a wall, the system comprising: The method comprising the steps of: i) analyzing information detected by a noise detector for detecting an incoming noise to generate an audio signal of a wideband noise in which a sound pressure level is adjusted to a predetermined value if the sound pressure level of the noise is below a set reference value, A sound pressure level of a frequency band corresponding to the frequency band of the noise of the generated wideband noise corresponds to a sound pressure level of the noise when the sound pressure level of the noise exceeds the set reference value, A processor for generating an adjusted audio signal of broadband noise, And outputting a sound corresponding to an audio signal of a wideband noise generated in the speaker.
According to another aspect of the present invention, there is provided a method for suppressing interlayer noise in a building having a multi-layer structure of a plurality of indoor spaces by a floor slab and a wall, the method comprising the steps of: (a) Analyzing information detected by a noise detector for detecting noise introduced into the indoor space to generate an audio signal of a broadband noise in which a sound pressure level is adjusted to a predetermined value when the sound pressure level of the noise is below a set reference value A sound pressure level of a frequency band corresponding to the frequency band of the noise of the generated wideband noise is applied to the audio signal of the frequency band of the noise, Generating an audio signal of broadband noise adjusted in response to a sound pressure level of noise, and (b) The output unit may include outputting a sound corresponding to an audio signal of a wideband noise generated in the processor.
The present invention has the effect of enabling a comfortable indoor environment to be maintained by effectively suppressing noise transmitted to a user's indoor space.
In addition, there is an effect that the interlayer noise can be effectively removed by a simple method without any additional construction.
1 is a block diagram schematically illustrating an interlayer noise suppression system according to an embodiment of the present invention.
FIG. 2 schematically shows a frequency spectrum of wideband noise output corresponding to a detected noise according to an embodiment of the present invention. Referring to FIG.
The following detailed description of the invention refers to the accompanying drawings, which illustrate, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the present invention are different, but need not be mutually exclusive. For example, certain features, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention in connection with an embodiment. It is also to be understood that the position or arrangement of the individual components within each disclosed embodiment may be varied without departing from the spirit and scope of the invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is to be limited only by the appended claims, along with the full scope of equivalents to which such claims are entitled, if properly explained. In the drawings, like reference numerals refer to the same or similar functions throughout the several views.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those skilled in the art can easily carry out the present invention.
1 is a block diagram schematically illustrating an interlayer noise suppression system according to an embodiment of the present invention. Referring to FIG. 1, an interlayer
First, the
When the sound pressure level of the noise detected by the
The
At this time, the
In addition, the inter-layer
The interlayer
In addition, the inter-layer
The interlayer noise suppression system and the interlayer noise suppression method according to the present invention will now be described in more detail with reference to the interlayer
When the
In accordance with the analyzed information, the
At this time, the wideband noise may include at least one of white noise, pink noise, and brown noise, and the
In addition, the reference value is a value set for discriminating whether or not the detected noise is the interlayer noise, and the predetermined value for adjusting the sound pressure level of the broadband noise may be set to be smaller than or equal to the reference value as shown in FIG. 2 (a) . The predetermined value may be set by the setting operation of the user through the
An audio signal of a broadband noise whose sound pressure level is adjusted to a predetermined value by the
2 (a), all or most of the noises in the frequency bands (f1, f2) having a sound pressure level lower than a predetermined value among the noises flowing into the indoor space are sound masking the user may be prevented from recognizing ambient noise having a sound pressure level equal to or lower than a predetermined value, thereby maintaining a pleasant condition. [0031] In addition, a wideband noise such as white noise So that there is an advantageous effect for improving the concentration of the user located in the indoor space or taking a good night's sleep.
When the sound pressure level of the noise detected by the
That is, when the inter-layer noise is generated while the broadband noise adjusted to the sound pressure level of the predetermined value is outputted, the
Therefore, as shown in FIG. 2 (b), the sound pressure level of the broadband noise is adjusted in accordance with the frequency and the sound pressure level of the interlayer noise even when the interlayer noise occurs, thereby effectively masking the interlayer noise introduced into the interior space .
When the sound pressure level of the noise detected by the
That is, when continuously generating the interlayer noise, when the broadband noise whose sound pressure level of the frequency band is adjusted is continuously output, the sound generated by the user in the indoor space may be masked and inconvenienced.
Accordingly, when the inter-layer noise is continuously generated, the
At this time, the
In addition, the
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, Those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
Therefore, the spirit of the present invention should not be construed as being limited to the above-described embodiments, and all of the equivalents or equivalents of the claims, as well as the following claims, I will say.
100: an interlayer noise suppression system, 110: a noise detector,
120: processor, 130: amplifier,
140: output unit, 150: storage unit,
160: User interface section
Claims (16)
Analyzing information detected by a noise detector installed in the indoor space to detect noise introduced into the indoor space, and analyzing the information detected by the noise detector to detect a noise of the broadband noise, which is a sound pressure level adjusted to a predetermined value if the sound pressure level of the noise is below a set reference value, And generating a signal corresponding to the frequency band of the noise in the frequency spectrum of the generated wideband noise if the sound pressure level of the noise exceeds the set reference value, A processor for generating a wideband noise audio signal in which the generated wideband noise sound pressure level of the frequency band is adjusted corresponding to the sound pressure level of the noise;
An output unit for outputting a sound corresponding to an audio signal of a wideband noise generated by the processor;
A storage for storing a plurality of sample frequency spectra for various interlayer noise; And
Further comprising a user interface unit for setting a time for generating the audio signal of the wideband noise and transmitting a signal according to a user setting operation for setting the predetermined value to the processor,
The processor comprising:
Generating an audio signal of the wideband noise only for a set time set by a user,
Iii) generating an audio signal having a phase opposite to that of the frequency spectrum of the noise exceeding the set reference value,
The audio signal having the opposite phase extracts a sample frequency spectrum similar to a frequency spectrum of the noise exceeding the set reference value from the storage unit and generates an audio signal in which the phase of the extracted frequency spectrum is inverted,
Characterized in that if a plurality of noises are detected at the same time, i), ii), iii) are simultaneously applied for each frequency band after frequency analysis for a plurality of noises.
Wherein the storage comprises Big Data and the Big Data is large scale data generated in a digital environment.
Wherein the broadband noise comprises at least one of white noise, pink noise, and brown noise.
Further comprising an amplifier for amplifying the wideband noise audio signal generated by the processor,
And an audio signal amplified by the amplifying unit is output through the output unit.
Wherein the noise detector is included in the interlayer noise suppression system.
Wherein the predetermined value is less than or equal to the reference value.
(a) analyzing information detected by a noise detection unit installed in the indoor space and detecting noise entering the indoor space, and (i) if the sound pressure level of the noise is lower than a predetermined reference value, And generating an audio signal of the adjusted broadband noise or applying an audio signal that is already generated and provided, and ii) if the sound pressure level of the noise exceeds the set reference value, Generating a wideband noise audio signal in which a sound pressure level of the frequency band corresponding to the noise level is adjusted corresponding to the sound pressure level of the noise; And
(b) outputting a sound corresponding to an audio signal of a wideband noise generated in the processor; Lt; / RTI >
In the step (a)
When the sound pressure level of the noise is detected for a predetermined time or more in a state where the sound pressure level exceeds the set reference value, the processor generates iii) an audio signal having a phase opposite to the frequency spectrum of the noise exceeding the set reference value,
Wherein the processor extracts a sample frequency spectrum similar to a frequency spectrum of the noise exceeding the set reference value from a storage where a plurality of sample frequency spectra for various interlayer noise are stored and inverts the phase of the extracted sample frequency spectrum And generating an audio signal.
In the step (a)
Wherein the processor extracts the sample frequency spectrum from Big Data and the Big Data is large scale data generated in a digital environment.
(c) the amplifying unit further comprises amplifying the audio signal of the wideband noise generated in the processor,
Wherein the sound corresponding to the audio signal amplified in the step (c) is outputted through the output unit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150162471A KR101774320B1 (en) | 2015-11-19 | 2015-11-19 | System for suppressing noise between floors and method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150162471A KR101774320B1 (en) | 2015-11-19 | 2015-11-19 | System for suppressing noise between floors and method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20170058642A KR20170058642A (en) | 2017-05-29 |
KR101774320B1 true KR101774320B1 (en) | 2017-09-04 |
Family
ID=59053490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020150162471A KR101774320B1 (en) | 2015-11-19 | 2015-11-19 | System for suppressing noise between floors and method thereof |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101774320B1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102254701B1 (en) * | 2020-04-06 | 2021-05-24 | 주식회사 세이렌어쿠스틱스 | Apparatus of speaker with built-in microphone and method of reducing noise using by thereof |
KR102425165B1 (en) * | 2021-04-13 | 2022-07-29 | 주식회사 세이렌어쿠스틱스 | Apparatus and method for controlling feedback sound |
KR102389693B1 (en) * | 2021-11-05 | 2022-04-22 | (주)동신정보통신 | Noise protection system usting a white silencer |
-
2015
- 2015-11-19 KR KR1020150162471A patent/KR101774320B1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR20170058642A (en) | 2017-05-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Мавлонов et al. | Sound-insulating materials | |
Tong et al. | Full scale field study of sound transmission across plenum windows | |
KR101774320B1 (en) | System for suppressing noise between floors and method thereof | |
KR101795765B1 (en) | Self-recognition Monitoring system of Interlayer noise and Interior Noise | |
Caniato et al. | Assessment criterion for indoor noise disturbance in the presence of low frequency sources | |
MY157196A (en) | Methods and systems for active sound attenuation in an air handling unit | |
US8223985B2 (en) | Masking of pure tones within sound from a noise generating source | |
US20230026347A1 (en) | Methods for reducing error in environmental noise compensation systems | |
US12039970B1 (en) | System and method for source authentication in voice-controlled automation | |
US9473864B2 (en) | Internet protocol addressable public address devices and systems | |
KR101807701B1 (en) | System for controlling speaker | |
Feldmann et al. | Effects of low frequency noise on man-a case study | |
Keith et al. | Wind turbine audibility calculations inside dwellings | |
JP3751628B2 (en) | Noise detection system | |
JP2014055783A (en) | Movement sound detection device and operation method thereof | |
JP6317863B2 (en) | Noise masking device | |
Lee et al. | A study on the development of fire alarm system with evacuation lighting and voice alarm functions | |
KR20200114425A (en) | Apparatus and method for reducing interlayer noise | |
Wiggins et al. | Sound pressure levels in close proximity to sound reinforcement loudspeakers | |
Hongisto et al. | Annoyance penalty of low-level tonal sounds | |
KR101604130B1 (en) | System for Alarm broadcasing of indoor and Broadcasting method | |
KR101449261B1 (en) | Information providing system and method using acoustic signal | |
US20210151027A1 (en) | Method and system for noise suppression | |
KR20220119815A (en) | Floor noise reduction device | |
KR101783896B1 (en) | Crime prevention method, crime prevention apparatus and crime prevention system using voice recognition |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant |