CN110519677A - It is a kind of effectively to get rid of the loudspeaker box arrangement method relied on field house acoustics - Google Patents
It is a kind of effectively to get rid of the loudspeaker box arrangement method relied on field house acoustics Download PDFInfo
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- CN110519677A CN110519677A CN201910572774.4A CN201910572774A CN110519677A CN 110519677 A CN110519677 A CN 110519677A CN 201910572774 A CN201910572774 A CN 201910572774A CN 110519677 A CN110519677 A CN 110519677A
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- grandstand
- sound source
- cluster point
- stadium
- point sound
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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
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
- H04R2205/024—Positioning of loudspeaker enclosures for spatial sound reproduction
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The invention discloses one kind can effectively get rid of the loudspeaker box arrangement method relied on field house acoustics, the first cluster point sound source that array speaker group forms and got lines crossed the second cluster point sound source that array speaker group forms by 3-5 including being got lines crossed by 5-7, the first cluster point sound source concentrated setting is right above the rostrum of the western grandstand in stadium at middle section, and it is distributed in the middle section right above rostrum, towards the auditorium of the western grandstand of surrounding, southwestern grandstand, northwest grandstand, and competition area, carry out uniform sound wave covering；Middle section of the second cluster point sound source concentrated setting right above the grandstand of stadium east, and it is respectively facing the auditorium of eastern grandstand, southeast grandstand, northeast grandstand, carry out uniform sound wave covering.0.55, even more than 0.60 above-mentioned this loudspeaker box arrangement method is not below by the stadium public address speech articulation STIPA index of arrangement speaker method of the invention can guarantee under the conditions of fine definition public address smoothly efficiently hold any competitive sports and activity.
Description
Technical field
The present invention relates to stadium loudspeaker box arrangement method more particularly to one kind can effectively get rid of to field house acoustics according to
Bad loudspeaker box arrangement method.
Background technique
Acoustic product in domestic many stadium is distributing arrangement, i.e., around the circle arrangement of stadium one or every 20
Rice or so one group of linear CCD pushbroom of covering, such circle arrange will be using 20 groups or more of linear CCD pushbroom, also not
Including being arranged in awning inner ring and covering the linear CCD pushbroom group of competition area, twenty or thirty if having if all counting in less
A sound source is spoken simultaneously, more, seventy or eighty sound sources make a sound, as one can imagine tens sound sources of different direction are spoken simultaneously,
This sound field has mostly confusion, is all difficult to catch in any case, when sportsman listens instruction, the sound of so multi-acoustical point is had
Mutual delay has echo, has reverberation sound, sound ghost image etc., does not hear instruction certainly.Using the method for arranging pair of above-mentioned speaker
Stadium sound decay time dependence whether up to standard be also it is very strong, regrettably most domestic stadium sound decay when
Between it is not up to standard.So the speech articulation STIPA of domestic many coliseum sound reinforcement systems is caused to be usually less than 0.45 finger
Mark.Therefore it holds race and activity wants leased equipment still to use, in this way, investing huge stadium is fixedly mounted sound reinforcement system
Will be unable to using or utilization rate reduce, the stadium of tens over ten billion of government investment will be unable to play due function, give state
Family brings about great losses.
Summary of the invention
In order to solve the above-mentioned deficiency of the prior art, providing one kind can effectively get rid of to field house acoustics the present invention
The loudspeaker box arrangement method of dependence.
Above-mentioned purpose of the invention is realized by technical solution below: one kind can effectively be got rid of to field house sound
The loudspeaker box arrangement method relied on is learned, the first cluster point sound source that array speaker group forms and is got lines crossed array by 3-5 including being got lines crossed by 5-7
Second cluster point sound source of voice box group composition, the first cluster point sound source concentrated setting is right above the rostrum of the western grandstand in stadium
At middle section, and it is distributed in the middle section right above rostrum, western grandstand, southwestern grandstand, northwest grandstand towards surrounding
Auditorium and competition area, carry out uniform sound wave covering；The second cluster point sound source concentrated setting is seen in stadium east
Middle section right above platform, and it is respectively facing the auditorium of eastern grandstand, southeast grandstand, northeast grandstand, carry out uniform sound wave
Covering.
Further, the linear array voice box group is made of 9 to 24 linear CCD pushbroom monomer modules, each loudspeaking
It is connected between device monomer module by connector, linear array voice box group two sides are equipped with suspender member.
Further, the loudspeaker monomer module includes shell, high-frequency horn unit and middle Low frequency horn unit.
The method for arranging of linear array voice box group of the invention, in stadium one circle it is scattered tens lay spacing compared with
Remote individual sources are reduced to two cluster point sound sources of Relatively centralized arrangement, using rostrum as center centralized arrangement the first cluster point sound source
It is more by the 5-7 quantity that array speaker group is formed of getting lines crossed because two comprising covering place are getting lines crossed array speaker group also at it
In；And being arranged in the second cluster point sound source above eastern grandstand middle section is that array speaker group of being got lines crossed by 3-5 is concentrating in together group
At, only it is responsible for auditorium (seat) the progress sound wave covering of eastern grandstand, southeast grandstand, northeast grandstand towards three directions,
And guarantee and rostrum direction cover the two of place get lines crossed array speaker group sound to consistent.According to the different size rule in stadium
Mould can also lengthen respectively each linear array voice box group being brought together, i.e. raising directive property Q value, reach distant place sound and close
Locate sound uniform fold.
Compared with the prior art, the advantages of the invention are the method for arranging of linear array voice box group of the invention, it can be well
The mutually delay between more sound sources for avoiding sound source excessive caused is too long, effectively reduces sound field interference, while utilizing linear array
The control force of the distinctive vertical beam high directivity of column voice box group, Lai Tigao early anaphase acoustic energy ratio ensure that in the decay of long sound
Between under the conditions of coliseum public address realize high speech intelligibility, fundamentally get rid of the dependence to architectural acoustics.By above-mentioned
Loudspeaker box arrangement method carry out the stadium STIPA index of public address, not less than 0.55, or even usually up to 0.60 or more
Fine definition index both can guarantee the domestic efficient utilization rate of coliseum in this way, also can guarantee holding for high quality
Any competitive sports and activity are smoothly efficiently held in the convention of ten thousand people.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of middle line array speaker of the present invention.
Specific embodiment
The present invention is described in further detail below with reference to embodiment.
As shown in Figure 1 and Figure 2, a kind of loudspeaker box arrangement method that can effectively get rid of to the dependence of field house acoustics, including by
5-7 get lines crossed the composition of array speaker group 1 the first cluster point sound source 5 and got lines crossed the second cluster point sound source that array speaker group 1 forms by 3-5
6, the first cluster point sound source concentrated setting is distributed in master at 2 surface middle section of the rostrum of the western grandstand in stadium
Middle section right above seat platform, towards the western grandstand of surrounding, southwestern grandstand, the auditorium 3 of northwest grandstand and competition area
4, carry out uniform sound wave covering；Middle section of the second cluster point sound source concentrated setting right above the grandstand of stadium east,
And it is respectively facing the auditorium of eastern grandstand, southeast grandstand, northeast grandstand, carry out uniform sound wave covering.
Further, the linear array voice box group 1 is made of 9 to 24 linear CCD pushbroom monomer module 1-1, each
It is connected between loudspeaker monomer module 1-1 by connector 1-2,1 two sides of linear array voice box group are equipped with suspender member 1-3.
Further, the loudspeaker monomer module 1-1 includes shell 1-11, high-frequency horn unit 1-12 and middle low frequency loudspeaker
Unit 1-13.
The present invention is one kind in coliseum, is derived from using PEUTZ theory design formula through stringent calculating,
The 2 huge point sound sources of approximation that need to only two snag array sound loudspeakers is used to form, can make stadium sound reinforcement system get rid of building
The conditionality of acoustics reaches the loudspeaker box arrangement method of high speech intelligibility.Get lines crossed that array speaker group forms by 5-7 first
Cluster point sound source and got lines crossed the second cluster point sound source that array speaker group forms by 3-5, is computed each string obtained in each point sound source
The sound path time difference between linear array voice box group controls within 50 milliseconds, i.e., the spacing of linear array voice box group is 0-17 meters, therefore
Human ear does not listen not Chu Lai the multiple image phenomenon of sound between string and string, just as hear fine definition as a point sound source imitate
Fruit.The first cluster point sound source is arranged in right above the rostrum of the western grandstand in stadium at middle section, and calculates by above-mentioned
Array speaker of often getting lines crossed be maintained within 0-17 meters of sound paths distance, the middle section being distributed in right above rostrum, and as one
A point sound source simultaneously towards the western grandstand of surrounding, southwestern grandstand, the auditorium of northwest grandstand and competition area, carries out like that
Uniform sound wave covering；The second cluster point sound source referring to above-mentioned first cluster point sound source method for arranging concentrated setting in stadium
Middle section right above eastern grandstand, and towards the auditorium of eastern grandstand, southeast grandstand, northeast grandstand, carry out uniform sound wave
Covering.Sound path distance is strict controlled in the cloth of the sound path time difference within 50 milliseconds of 0-17 meters between linear array voice box group of the invention
Office's method, can avoid the mutually appearance of delay sound between two point sound sources between linear array voice box group, effective well
While reducing sound field interference, using the superelevation directive property Q value of linear CCD pushbroom group, early anaphase acoustic energy ratio is improved.It presses the country
The average value of the stadium barnyard public address speech articulation STIPA index of above-mentioned deployment line array speaker method, is not below
Even more than the 0.60 of 0.55.By above-mentioned this stadium loudspeaker box arrangement method, the dependence to architectural acoustics can be effectively got rid of, is protected
Card smoothly efficiently holds any competitive sports and activity under the conditions of fine definition public address.
The above specific embodiments are only exemplary, is to preferably make skilled artisans appreciate that originally
Patent, be not to be construed as include to this patent range limitation；As long as appointing made by the spirit according to disclosed in this patent
How with change or modification, the range that this patent includes is each fallen within.
Claims (3)
1. one kind can effectively get rid of the loudspeaker box arrangement method relied on field house acoustics, it is characterised in that: including being gone here and there by 5-7
First cluster point sound source of linear array voice box group composition and got lines crossed the second cluster point sound source that array speaker group forms by 3-5, described the
Cluster point sound source concentrated setting is distributed in right above rostrum right above the rostrum of the western grandstand in stadium at middle section
Middle section carried out uniform towards the western grandstand of surrounding, southwestern grandstand, the auditorium of northwest grandstand and competition area
Sound wave covering；Middle section of the second cluster point sound source concentrated setting right above the grandstand of stadium east, and it is respectively facing east
The auditorium of grandstand, southeast grandstand, northeast grandstand carries out uniform sound wave covering.
2. one kind according to claim 1 can effectively get rid of the loudspeaker box arrangement method relied on field house acoustics,
Be characterized in that: the array speaker group of often getting lines crossed is being made of 9 to 24 linear CCD pushbroom monomer modules, each loudspeaker list
It is connected between module by connector, linear array voice box group two sides are equipped with suspender member.
3. one kind according to claim 1 can effectively get rid of the loudspeaker box arrangement method relied on field house acoustics,
Be characterized in that: the loudspeaker monomer module includes shell, high-frequency horn unit and middle Low frequency horn unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910572774.4A CN110519677A (en) | 2019-06-28 | 2019-06-28 | It is a kind of effectively to get rid of the loudspeaker box arrangement method relied on field house acoustics |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910572774.4A CN110519677A (en) | 2019-06-28 | 2019-06-28 | It is a kind of effectively to get rid of the loudspeaker box arrangement method relied on field house acoustics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111757235A (en) * | 2020-06-15 | 2020-10-09 | 杭州艾力特数字科技有限公司 | Sound expansion system with classroom language definition measuring function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340728A (en) * | 2011-07-25 | 2012-02-01 | 顾康 | Loudspeaker box arrangement method using linear array loudspeaker boxes for sound reinforcement in stadium |
| CN103037284A (en) * | 2012-11-20 | 2013-04-10 | 宁波德阳电子有限公司 | Linear array speaker assembly |
| CN208112952U (en) * | 2018-04-11 | 2018-11-16 | 北京普滋盛汀声学技术有限公司 | A kind of sound reinforcement system of the fine definition single group linear array group for stadiums |
-
2019
- 2019-06-28 CN CN201910572774.4A patent/CN110519677A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340728A (en) * | 2011-07-25 | 2012-02-01 | 顾康 | Loudspeaker box arrangement method using linear array loudspeaker boxes for sound reinforcement in stadium |
| CN103037284A (en) * | 2012-11-20 | 2013-04-10 | 宁波德阳电子有限公司 | Linear array speaker assembly |
| CN208112952U (en) * | 2018-04-11 | 2018-11-16 | 北京普滋盛汀声学技术有限公司 | A kind of sound reinforcement system of the fine definition single group linear array group for stadiums |
Non-Patent Citations (1)
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| 小虾: "常见的音箱的布局方式及布局要点", 《HTTP://BLOG.SINA.COM.CN/S/BLOG_6A90761A0100R6U8.HTML》 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111757235A (en) * | 2020-06-15 | 2020-10-09 | 杭州艾力特数字科技有限公司 | Sound expansion system with classroom language definition measuring function |
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Application publication date: 20191129 |
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