阅读说明：本技术 一种可有效摆脱对体育场建筑声学依赖的音箱布置方法 (It is a kind of effectively to get rid of the loudspeaker box arrangement method relied on field house acoustics ) 是由 周同庆 顾科 于 2019-06-28 设计创作，主要内容包括：本发明公开了一种可有效摆脱对体育场建筑声学依赖的音箱布置方法,包括由5-7串线阵列音箱组组成的第一簇点声源和由3-5串线阵列音箱组组成的第二簇点声源,所述第一簇点声源集中设置在体育场西看台的主席台正上方中央区域处,并均布于主席台正上方的中央区域,朝向四周的西看台、西南看台、西北看台的观众席,以及比赛场地,进行均匀的声波覆盖；所述第二簇点声源集中设置在体育场东看台正上方的中央区域,并分别朝向东看台、东南看台、东北看台的观众席,进行均匀的声波覆盖。按本发明的布置音箱方法的体育场扩声语言清晰度STIPA指标没有低于0.55的,甚至超过0.60上述这种音箱布置方法可保证在高清晰度扩声条件下顺利高效的举办任何体育赛事和活动。(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.)

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.

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.