建(jian)造(zao)问题(ti)测(ce)(ce)试(shi)(shi)室(shi)(shi)使(shi)用(yong)混凝土建(jian)造(zao)的(de)(de)(de)(de)(de)，对(dui)于(yu)(yu)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音(yin)(yin)吸(xi)(xi)收(shou)(shou)测(ce)(ce)试(shi)(shi)十分(fen)(fen)有(you)用(yong)，但(dan)是(shi)需要为(wei)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音(yin)(yin)功(gong)率(lv)等(deng)(deng)级(ji)(ji)测(ce)(ce)试(shi)(shi)添加低(di)频(pin)(pin)(pin)率(lv)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音(yin)(yin)吸(xi)(xi)收(shou)(shou)材料。用(yong)模(mo)(mo)块化钢(gang)板(ban)建(jian)造(zao)的(de)(de)(de)(de)(de)测(ce)(ce)试(shi)(shi)室(shi)(shi)对(dui)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音(yin)(yin)功(gong)率(lv)等(deng)(deng)级(ji)(ji)测(ce)(ce)试(shi)(shi)十分(fen)(fen)有(you)用(yong)，因(yin)(yin)为(wei)钢(gang)板(ban)在(zai)低(di)频(pin)(pin)(pin)下(xia)十分(fen)(fen)灵活(huo)，提(ti)供了(le)正(zheng)(zheng)确的(de)(de)(de)(de)(de)低(di)频(pin)(pin)(pin)吸(xi)(xi)收(shou)(shou)能(neng)(neng)力。钢(gang)板(ban)测(ce)(ce)试(shi)(shi)室(shi)(shi)在(zai)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音(yin)(yin)吸(xi)(xi)收(shou)(shou)测(ce)(ce)试(shi)(shi)中并不是(shi)的(de)(de)(de)(de)(de)：提(ti)高的(de)(de)(de)(de)(de)低(di)频(pin)(pin)(pin)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音(yin)(yin)吸(xi)(xi)收(shou)(shou)可(ke)能(neng)(neng)会(hui)达到标(biao)准容忍的(de)(de)(de)(de)(de)极限，从而(er)使(shi)解析低(di)频(pin)(pin)(pin)下(xia)典型的(de)(de)(de)(de)(de)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音(yin)(yin)吸(xi)(xi)收(shou)(shou)数值(zhi)变(bian)得困难。声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)压/功(gong)率(lv)关系测(ce)(ce)试(shi)(shi)室(shi)(shi)是(shi)设(she)计用(yong)于(yu)(yu)大量(liang)(liang)的(de)(de)(de)(de)(de)房间模(mo)(mo)式(shi)(shi)(shi)使(shi)用(yong)的(de)(de)(de)(de)(de)，在(zai)极高模(mo)(mo)式(shi)(shi)(shi)数量(liang)(liang)的(de)(de)(de)(de)(de)统(tong)计极限下(xia)，会(hui)产生声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)压级(ji)(ji)别(bie)(bie)和(he)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音(yin)(yin)功(gong)率(lv)级(ji)(ji)别(bie)(bie)的(de)(de)(de)(de)(de)以下(xia)简单关系：其(qi)中LP是(shi)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)压级(ji)(ji)别(bie)(bie)，LW是(shi)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音(yin)(yin)功(gong)率(lv)级(ji)(ji)别(bie)(bie)，A是(shi)测(ce)(ce)试(shi)(shi)室(shi)(shi)的(de)(de)(de)(de)(de)Sabine吸(xi)(xi)收(shou)(shou)。根据温(wen)度和(he)静态压力，标(biao)准给出了(le)多个修(xiu)正(zheng)(zheng)。对(dui)于(yu)(yu)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音(yin)(yin)功(gong)率(lv)测(ce)(ce)试(shi)(shi)，为(wei)了(le)补偿墙壁(bi)大于(yu)(yu)均值(zhi)的(de)(de)(de)(de)(de)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音(yin)(yin)能(neng)(neng)量(liang)(liang)密度引进(jin)了(le)Waterhouse修(xiu)正(zheng)(zheng)。如果模(mo)(mo)式(shi)(shi)(shi)数量(liang)(liang)足够多，声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)压等(deng)(deng)级(ji)(ji)本质上(shang)是(shi)在(zai)测(ce)(ce)试(shi)(shi)室(shi)(shi)的(de)(de)(de)(de)(de)**部分(fen)(fen)统(tong)一的(de)(de)(de)(de)(de)。注意模(mo)(mo)式(shi)(shi)(shi)数量(liang)(liang)与(yu)Vf3成正(zheng)(zheng)比，因(yin)(yin)此随(sui)着频(pin)(pin)(pin)率(lv)降低(di)，模(mo)(mo)式(shi)(shi)(shi)数量(liang)(liang)快速减小。将测(ce)(ce)试(shi)(shi)室(shi)(shi)的(de)(de)(de)(de)(de)体积(ji)翻倍有(you)效(xiao)扩展(zhan)了(le)三分(fen)(fen)之一音(yin)(yin)阶的(de)(de)(de)(de)(de)低(di)频(pin)(pin)(pin)性(xing)能(neng)(neng)。声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音(yin)(yin)隔离良好(hao)设(she)计并经(jing)过(guo)良好(hao)构建(jian)的(de)(de)(de)(de)(de)外壳对(dui)噪(zao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)降低(di)通常(chang)在(zai)数值(zhi)上(shang)**小于(yu)(yu)外壳组(zu)件的(de)(de)(de)(de)(de)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音(yin)(yin)传播损(sun)失。这(zhei)是(shi)因(yin)(yin)为(wei)任何穿刺进(jin)入测(ce)(ce)试(shi)(shi)室(shi)(shi)内部的(de)(de)(de)(de)(de)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音(yin)(yin)会(hui)在(zai)几(ji)次反射之内滞留在(zai)测(ce)(ce)试(shi)(shi)室(shi)(shi)内，从而(er)提(ti)高能(neng)(neng)量(liang)(liang)强度。报告厅声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)学(xue)怎(zen)么做？隔音(yin)(yin)和(he)消声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)？青(qing)海(hai)游泳(yong)馆声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)学(xue)方案(an)

同时(shi)(shi)(shi)避免回(hui)声(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)干扰(rao)，从而使得混响音(yin)色既优美又清晰。内部空间坐在(zai)观(guan)(guan)(guan)众(zhong)席上对舞台视(shi)(shi)(shi)野(ye)良好(hao)，剧(ju)(ju)(ju)院内部空间形(xing)(xing)状(zhuang)形(xing)(xing)成一(yi)(yi)种(zhong)强烈围(wei)合(he)感，有利于声(sheng)(sheng)(sheng)(sheng)音(yin)反(fan)(fan)射(she)(she)(she)(she)。一(yi)(yi)层(ceng)视(shi)(shi)(shi)野(ye)一(yi)(yi)角。可以(yi)(yi)看(kan)(kan)出(chu)各(ge)种(zhong)声(sheng)(sheng)(sheng)(sheng)波反(fan)(fan)射(she)(she)(she)(she)鳍片和弯曲的(de)(de)(de)(de)楼板(ban)底面形(xing)(xing)状(zhuang)、光滑的(de)(de)(de)(de)材质(zhi)。底层(ceng)仰视(shi)(shi)(shi)视(shi)(shi)(shi)角大胆利用(yong)(yong)二(er)三层(ceng)观(guan)(guan)(guan)众(zhong)席和舞台旁边(bian)的(de)(de)(de)(de)墙(qiang)壁(bi)来(lai)取代原有的(de)(de)(de)(de)反(fan)(fan)射(she)(she)(she)(she)板(ban)更为巧妙的(de)(de)(de)(de)是(shi)设(she)计(ji)(ji)的(de)(de)(de)(de)座(zuo)椅(yi)(yi)(yi)背(bei)面有声(sheng)(sheng)(sheng)(sheng)音(yin)反(fan)(fan)射(she)(she)(she)(she)作用(yong)(yong)，座(zuo)椅(yi)(yi)(yi)软垫则(ze)有吸(xi)声(sheng)(sheng)(sheng)(sheng)作用(yong)(yong)，使座(zuo)椅(yi)(yi)(yi)反(fan)(fan)转(zhuan)时(shi)(shi)(shi)声(sheng)(sheng)(sheng)(sheng)音(yin)人耳根本(ben)听不到。侧边(bian)通道壁(bi)上有声(sheng)(sheng)(sheng)(sheng)音(yin)反(fan)(fan)射(she)(she)(she)(she)设(she)计(ji)(ji)。座(zuo)椅(yi)(yi)(yi)隔断的(de)(de)(de)(de)形(xing)(xing)状(zhuang)和材料。观(guan)(guan)(guan)众(zhong)厅(ting)内表(biao)面看(kan)(kan)起来(lai)很随意(yi)没有规律(lv)可言，但没有一(yi)(yi)块是(shi)随意(yi)确定的(de)(de)(de)(de)，深化设(she)计(ji)(ji)及施(shi)工中不可以(yi)(yi)任意(yi)改动(dong)主观(guan)(guan)(guan)众(zhong)厅(ting)内的(de)(de)(de)(de)墙(qiang)、天花板(ban)、看(kan)(kan)台边(bian)缘和观(guan)(guan)(guan)众(zhong)席的(de)(de)(de)(de)分割拦板(ban)等的(de)(de)(de)(de)几何形(xing)(xing)状(zhuang)，内表(biao)面基本(ben)上是(shi)一(yi)(yi)个声(sheng)(sheng)(sheng)(sheng)反(fan)(fan)射(she)(she)(she)(she)表(biao)面，这些(xie)称之为声(sheng)(sheng)(sheng)(sheng)扩(kuo)散元(yuan)素，把反(fan)(fan)射(she)(she)(she)(she)声(sheng)(sheng)(sheng)(sheng)扩(kuo)散开(kai)来(lai)。声(sheng)(sheng)(sheng)(sheng)音(yin)扩(kuo)以(yi)(yi)后(hou)，分布就会均(jun)匀(yun)。负(fu)责歌(ge)(ge)剧(ju)(ju)(ju)院声(sheng)(sheng)(sheng)(sheng)学(xue)(xue)设(she)计(ji)(ji)的(de)(de)(de)(de)**杜(du)晓军(jun)表(biao)示，经过测试，广州歌(ge)(ge)剧(ju)(ju)(ju)院的(de)(de)(de)(de)混响时(shi)(shi)(shi)间为，与**初设(she)计(ji)(ji)的(de)(de)(de)(de)目(mu)标吻合(he)。一(yi)(yi)般话(hua)剧(ju)(ju)(ju)演出(chu)或报告厅(ting)的(de)(de)(de)(de)理想混响时(shi)(shi)(shi)间是(shi)1秒，纯交响乐演奏(zou)的(de)(de)(de)(de)理想时(shi)(shi)(shi)间是(shi)2秒，而歌(ge)(ge)剧(ju)(ju)(ju)院的(de)(de)(de)(de)声(sheng)(sheng)(sheng)(sheng)效既要达(da)到让观(guan)(guan)(guan)众(zhong)听得清楚(chu)，又要保证伴奏(zou)音(yin)乐优美，所以(yi)(yi)就定位在(zai)。广州歌(ge)(ge)剧(ju)(ju)(ju)院的(de)(de)(de)(de)室内也彻(che)底地(di)贯彻(che)了扎哈(ha)?哈(ha)迪德的(de)(de)(de)(de)设(she)计(ji)(ji)理念。四(si)川配音(yin)室声(sheng)(sheng)(sheng)(sheng)学(xue)(xue)设(she)计(ji)(ji)工程公司硅陶(tao)吸(xi)音(yin)板(ban)厂家推荐？

一(yi)、综合(he)体(ti)(ti)育(yu)(yu)(yu)(yu)馆(guan)介绍在(zai)(zai)国(guo)内外已建(jian)(jian)的(de)(de)(de)(de)体(ti)(ti)育(yu)(yu)(yu)(yu)馆(guan)中(zhong)，综合(he)体(ti)(ti)育(yu)(yu)(yu)(yu)馆(guan)占绝(jue)(jue)大(da)(da)(da)(da)多(duo)数(shu)。由(you)于(yu)综合(he)体(ti)(ti)育(yu)(yu)(yu)(yu)馆(guan)可以(yi)进行(xing)大(da)(da)(da)(da)多(duo)数(shu)运动(dong)项(xiang)(xiang)目(mu)，列如(ru)：篮球(qiu)(qiu)、排(pai)球(qiu)(qiu)、手(shou)球(qiu)(qiu)、羽毛(mao)球(qiu)(qiu)、体(ti)(ti)操、击剑等；根据(ju)它的(de)(de)(de)(de)多(duo)功(gong)能(neng)使用(yong)(yong)要(yao)求(qiu)，因而对场馆(guan)内音(yin)质的(de)(de)(de)(de)要(yao)求(qiu)较高(gao)。其声(sheng)学(xue)(xue)设(she)(she)计指标要(yao)综合(he)各项(xiang)(xiang)运动(dong)项(xiang)(xiang)目(mu)的(de)(de)(de)(de)音(yin)质要(yao)求(qiu)，根据(ju)各项(xiang)(xiang)功(gong)能(neng)中(zhong)，音(yin)质要(yao)去较高(gao)的(de)(de)(de)(de)项(xiang)(xiang)目(mu)来定。二、设(she)(she)计依据(ju)（1）《体(ti)(ti)育(yu)(yu)(yu)(yu)场馆(guan)声(sheng)学(xue)(xue)设(she)(she)计及测(ce)量(liang)规程(cheng)(cheng)》（2）《体(ti)(ti)育(yu)(yu)(yu)(yu)建(jian)(jian)筑(zhu)设(she)(she)计规范(fan)》（3）《声(sheng)环(huan)境质量(liang)标准(zhun)》（4）《民用(yong)(yong)建(jian)(jian)筑(zhu)隔(ge)声(sheng)设(she)(she)计规范(fan)》（5）《建(jian)(jian)筑(zhu)隔(ge)声(sheng)评价标准(zhun)》▲图(tu)片来源：包图(tu)网三、主要(yao)声(sheng)学(xue)(xue)技术指标1混(hun)响(xiang)时(shi)(shi)间(jian)由(you)于(yu)绝(jue)(jue)大(da)(da)(da)(da)多(duo)数(shu)体(ti)(ti)育(yu)(yu)(yu)(yu)运动(dong)都可以(yi)在(zai)(zai)综合(he)体(ti)(ti)育(yu)(yu)(yu)(yu)场馆(guan)内进行(xing)，故综合(he)体(ti)(ti)育(yu)(yu)(yu)(yu)馆(guan)比(bi)(bi)(bi)(bi)赛(sai)(sai)大(da)(da)(da)(da)厅的(de)(de)(de)(de)混(hun)响(xiang)时(shi)(shi)间(jian)应(ying)(ying)适合(he)于(yu)多(duo)数(shu)比(bi)(bi)(bi)(bi)赛(sai)(sai)项(xiang)(xiang)目(mu)的(de)(de)(de)(de)要(yao)求(qiu)。根据(ju)《体(ti)(ti)育(yu)(yu)(yu)(yu)场馆(guan)声(sheng)学(xue)(xue)设(she)(she)计及测(ce)量(liang)规程(cheng)(cheng)》JPJ/T131——2012中(zhong)规定，在(zai)(zai)频率(lv)为500Hz——1000Hz时(shi)(shi)，不同容积比(bi)(bi)(bi)(bi)赛(sai)(sai)大(da)(da)(da)(da)厅的(de)(de)(de)(de)满(man)场混(hun)响(xiang)时(shi)(shi)间(jian)宜满(man)足表1要(yao)求(qiu)。▲表1来源：《体(ti)(ti)育(yu)(yu)(yu)(yu)场馆(guan)声(sheng)学(xue)(xue)设(she)(she)计及测(ce)量(liang)规程(cheng)(cheng)》体(ti)(ti)育(yu)(yu)(yu)(yu)馆(guan)采用(yong)(yong)了(le)比(bi)(bi)(bi)(bi)赛(sai)(sai)大(da)(da)(da)(da)厅与休息(xi)大(da)(da)(da)(da)厅连通的(de)(de)(de)(de)建(jian)(jian)筑(zhu)形式，需(xu)要(yao)在(zai)(zai)休息(xi)大(da)(da)(da)(da)厅内进行(xing)一(yi)定的(de)(de)(de)(de)吸声(sheng)处理，保(bao)证(zheng)休息(xi)大(da)(da)(da)(da)厅的(de)(de)(de)(de)混(hun)响(xiang)时(shi)(shi)间(jian)与比(bi)(bi)(bi)(bi)赛(sai)(sai)大(da)(da)(da)(da)厅的(de)(de)(de)(de)混(hun)响(xiang)时(shi)(shi)间(jian)相(xiang)近(jin)；否则，休息(xi)大(da)(da)(da)(da)厅与比(bi)(bi)(bi)(bi)赛(sai)(sai)大(da)(da)(da)(da)厅的(de)(de)(de)(de)混(hun)响(xiang)时(shi)(shi)间(jian)相(xiang)差(cha)较大(da)(da)(da)(da)，则会(hui)产生耦合(he)效应(ying)(ying)，影响(xiang)比(bi)(bi)(bi)(bi)赛(sai)(sai)大(da)(da)(da)(da)厅的(de)(de)(de)(de)声(sheng)环(huan)境。

工(gong)(gong)厂车(che)间的(de)(de)(de)噪(zao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)，主(zhu)要(yao)(yao)噪(zao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)源(yuan)(yuan)为(wei)设(she)备噪(zao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)，就需要(yao)(yao)有(you)针对性(xing)进行勘察分析和(he)判断，找到噪(zao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)污染的(de)(de)(de)主(zhu)要(yao)(yao)源(yuan)(yuan)头，进行设(she)计(ji)，设(she)备噪(zao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)处(chu)理(li)(li)有(you)：隔(ge)(ge)(ge)(ge)(ge)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)罩、消(xiao)(xiao)(xiao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)百叶、隔(ge)(ge)(ge)(ge)(ge)音房、隔(ge)(ge)(ge)(ge)(ge)振(zhen)处(chu)理(li)(li)等，车(che)间装(zhuang)饰方面可(ke)以(yi)(yi)有(you)针对性(xing)的(de)(de)(de)做(zuo)强(qiang)(qiang)吸(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)处(chu)理(li)(li)。1.吸(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)：利用(yong)(yong)(yong)吸(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)(cai)料如玻(bo)璃棉、泡沫塑料、矿(kuang)渣棉、隔(ge)(ge)(ge)(ge)(ge)音毡、石棉绒、加气(qi)混凝(ning)土、木丝(si)板、甘(gan)蔗板等装(zhuang)饰墙面或天(tian)花板，这(zhei)些多孔材(cai)(cai)料能够吸(xi)(xi)(xi)收(shou)(shou)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波，达(da)到降低(di)噪(zao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)强(qiang)(qiang)度的(de)(de)(de)目的(de)(de)(de)。吸(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)(cai)料主(zhu)要(yao)(yao)吸(xi)(xi)(xi)收(shou)(shou)反射(she)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)，对从(cong)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)源(yuan)(yuan)直接发出的(de)(de)(de)直达(da)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)作用(yong)(yong)(yong)甚微，对高频(pin)噪(zao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)比对低(di)频(pin)噪(zao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)有(you)效。低(di)频(pin)噪(zao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)可(ke)采用(yong)(yong)(yong)共振(zhen)吸(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)办(ban)法，用(yong)(yong)(yong)多孔板做(zuo)吸(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)墙壁。这(zhei)些措施均(jun)能取得(de)较好的(de)(de)(de)吸(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)效果。2.消(xiao)(xiao)(xiao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)：使(shi)用(yong)(yong)(yong)消(xiao)(xiao)(xiao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)是控(kong)(kong)制(zhi)空气(qi)动(dong)力性(xing)噪(zao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)主(zhu)要(yao)(yao)措施，消(xiao)(xiao)(xiao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)是一(yi)种组织(zhi)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音传(chuan)播(bo)而允许(xu)气(qi)流通过(guo)的(de)(de)(de)装(zhuang)置，主(zhu)要(yao)(yao)用(yong)(yong)(yong)于风道和(he)排气(qi)管道，常用(yong)(yong)(yong)消(xiao)(xiao)(xiao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)分阻性(xing)消(xiao)(xiao)(xiao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)和(he)抗(kang)性(xing)消(xiao)(xiao)(xiao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)两种，二者(zhe)联(lian)合(he)使(shi)用(yong)(yong)(yong)消(xiao)(xiao)(xiao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)效果更好，质(zhi)量(liang)的(de)(de)(de)消(xiao)(xiao)(xiao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)应(ying)当是消(xiao)(xiao)(xiao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)量(liang)大，空气(qi)动(dong)力性(xing)能好，结构性(xing)能好，三者(zhe)缺一(yi)不(bu)可(ke)。3.隔(ge)(ge)(ge)(ge)(ge)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)：把(ba)产生噪(zao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)设(she)备或需要(yao)(yao)安静的(de)(de)(de)场所(suo)封闭在一(yi)个小(xiao)的(de)(de)(de)空间中，使(shi)之与周围(wei)环境隔(ge)(ge)(ge)(ge)(ge)绝起来，以(yi)(yi)达(da)到控(kong)(kong)制(zhi)噪(zao)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)传(chuan)播(bo)的(de)(de)(de)目的(de)(de)(de)。如空压(ya)站的(de)(de)(de)隔(ge)(ge)(ge)(ge)(ge)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)室，窗户用(yong)(yong)(yong)双(shuang)层玻(bo)璃，门窗用(yong)(yong)(yong)吸(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)(cai)料饰面，周围(wei)用(yong)(yong)(yong)橡胶条密封，小(xiao)型(xing)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)源(yuan)(yuan)可(ke)用(yong)(yong)(yong)隔(ge)(ge)(ge)(ge)(ge)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)罩。声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)学设(she)计(ji)声(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)学工(gong)(gong)程哪家公司可(ke)以(yi)(yi)做(zuo)？求推荐。

如弦乐(le)(le)(le)、木管乐(le)(le)(le)录(lu)(lu)取直达声(sheng)(sheng)(sheng)(sheng)(sheng)后，追加人工混(hun)响(xiang)(xiang)(xiang)的(de)(de)(de)效果不(bu)佳，主要(yao)(yao)表现为声(sheng)(sheng)(sheng)(sheng)(sheng)音(yin)(yin)(yin)(yin)不(bu)自(zi)然和(he)缺(que)乏(fa)柔和(he)感。因此(ci)，需要(yao)(yao)有(you)自(zi)然混(hun)响(xiang)(xiang)(xiang)和(he)强吸(xi)(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)相(xiang)结合的(de)(de)(de)录(lu)(lu)音(yin)(yin)(yin)(yin)棚(peng)，即在棚(peng)内设置强吸(xi)(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)隔(ge)离小室，同(tong)(tong)(tong)时(shi)(shi)(shi)具(ju)(ju)有(you)较(jiao)长(zhang)混(hun)响(xiang)(xiang)(xiang)时(shi)(shi)(shi)间(jian)的(de)(de)(de)大空间(jian)，根据需要(yao)(yao)配置各(ge)类(lei)乐(le)(le)(le)器，进行(xing)分(fen)(fen)声(sheng)(sheng)(sheng)(sheng)(sheng)道录(lu)(lu)音(yin)(yin)(yin)(yin)。可在同(tong)(tong)(tong)一个(ge)(ge)录(lu)(lu)音(yin)(yin)(yin)(yin)空间(jian)内划(hua)分(fen)(fen)出寂(ji)静(jing)区(qu)(qu)与活跃区(qu)(qu)，即在其一端通(tong)过强吸(xi)(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)使混(hun)响(xiang)(xiang)(xiang)时(shi)(shi)(shi)间(jian)很(hen)短（寂(ji)静(jing)区(qu)(qu)）；在另一端，不(bu)做或少做吸(xi)(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)，使混(hun)响(xiang)(xiang)(xiang)时(shi)(shi)(shi)间(jian)增长(zhang)（活跃区(qu)(qu)）。录(lu)(lu)音(yin)(yin)(yin)(yin)时(shi)(shi)(shi)，根据各(ge)类(lei)乐(le)(le)(le)器对(dui)混(hun)响(xiang)(xiang)(xiang)声(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)不(bu)同(tong)(tong)(tong)要(yao)(yao)求(qiu)，配置在不(bu)同(tong)(tong)(tong)的(de)(de)(de)区(qu)(qu)域内。为了使寂(ji)静(jing)区(qu)(qu)和(he)活跃区(qu)(qu)在音(yin)(yin)(yin)(yin)质上有(you)明显差别(bie)，通(tong)常(chang)用各(ge)种活动隔(ge)板和(he)声(sheng)(sheng)(sheng)(sheng)(sheng)屏(ping)障(zhang)，对(dui)不(bu)同(tong)(tong)(tong)区(qu)(qu)域进行(xing)分(fen)(fen)隔(ge)。四(si)、多(duo)功能音(yin)(yin)(yin)(yin)乐(le)(le)(le)录(lu)(lu)音(yin)(yin)(yin)(yin)棚(peng)多(duo)功能录(lu)(lu)音(yin)(yin)(yin)(yin)棚(peng)就是通(tong)过创造一个(ge)(ge)可变声(sheng)(sheng)(sheng)(sheng)(sheng)学(xue)条件的(de)(de)(de)声(sheng)(sheng)(sheng)(sheng)(sheng)学(xue)环(huan)境来满(man)足多(duo)种录(lu)(lu)音(yin)(yin)(yin)(yin)要(yao)(yao)求(qiu)的(de)(de)(de)录(lu)(lu)音(yin)(yin)(yin)(yin)棚(peng)。为使录(lu)(lu)音(yin)(yin)(yin)(yin)室混(hun)响(xiang)(xiang)(xiang)时(shi)(shi)(shi)间(jian)可调(diao)，在多(duo)功能录(lu)(lu)音(yin)(yin)(yin)(yin)棚(peng)的(de)(de)(de)墙面和(he)顶棚(peng)设置可调(diao)吸(xi)(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)结构，并备有(you)活动吸(xi)(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)、隔(ge)声(sheng)(sheng)(sheng)(sheng)(sheng)屏(ping)障(zhang)，以便需要(yao)(yao)时(shi)(shi)(shi)围(wei)成隔(ge)声(sheng)(sheng)(sheng)(sheng)(sheng)小室。多(duo)功能录(lu)(lu)音(yin)(yin)(yin)(yin)棚(peng)设计中，可调(diao)吸(xi)(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)结构的(de)(de)(de)设计是关键(jian)。这种可调(diao)吸(xi)(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)结构应(ying)满(man)足以下(xia)几(ji)个(ge)(ge)方面的(de)(de)(de)要(yao)(yao)求(qiu)：1、可调(diao)幅度大，吸(xi)(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)棉暴露(lu)时(shi)(shi)(shi)为强吸(xi)(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)结构，反射(she)面暴露(lu)时(shi)(shi)(shi)几(ji)乎不(bu)吸(xi)(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)；2、在80-8000Hz频率范围(wei)内各(ge)频带(dai)吸(xi)(xi)(xi)(xi)声(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)调(diao)幅量接近相(xiang)同(tong)(tong)(tong)；3、处(chu)于反射(she)状态(tai)时(shi)(shi)(shi)，不(bu)产生声(sheng)(sheng)(sheng)(sheng)(sheng)学(xue)缺(que)陷，仍具(ju)(ju)有(you)良好的(de)(de)(de)声(sheng)(sheng)(sheng)(sheng)(sheng)扩散。无机纤维喷涂声(sheng)(sheng)(sheng)(sheng)(sheng)学(xue)性能怎(zen)么样？能隔(ge)音(yin)(yin)(yin)(yin)多(duo)少分(fen)(fen)贝？重庆念佛堂声(sheng)(sheng)(sheng)(sheng)(sheng)学(xue)设计工程公司

宴会厅太吵(chao)怎么办(ban)？是(shi)什么原因(yin)？怎么处理(li)？青海游泳(yong)馆声学方(fang)案(an)

大房(fang)间(jian)(jian)(jian)以(yi)(yi)及用(yong)于(yu)高频(pin)测(ce)(ce)(ce)试(shi)(shi)(shi)(shi)的(de)(de)房(fang)间(jian)(jian)(jian)有(you)时候*包含(han)三英寸的(de)(de)声(sheng)(sheng)(sheng)(sheng)音(yin)(yin)(yin)吸收材料。自(zi)(zi)由(you)场(chang)室(shi)(shi)用(yong)于(yu)工(gong)程(cheng)级(ji)别(bie)和调查级(ji)别(bie)的(de)(de)声(sheng)(sheng)(sheng)(sheng)音(yin)(yin)(yin)功率测(ce)(ce)(ce)试(shi)(shi)(shi)(shi)。自(zi)(zi)由(you)场(chang)室(shi)(shi)还用(yong)于(yu)声(sheng)(sheng)(sheng)(sheng)音(yin)(yin)(yin)强度(du)(du)测(ce)(ce)(ce)试(shi)(shi)(shi)(shi)，其主(zhu)(zhu)要(yao)(yao)(yao)(yao)(yao)功能是(shi)(shi)(shi)(shi)(shi)控制环境(jing)(jing)噪声(sheng)(sheng)(sheng)(sheng)，通过降低声(sheng)(sheng)(sheng)(sheng)音(yin)(yin)(yin)反射(she)提**度(du)(du)测(ce)(ce)(ce)试(shi)(shi)(shi)(shi)的(de)(de)精度(du)(du)。用(yong)于(yu)工(gong)程(cheng)等级(ji)的(de)(de)声(sheng)(sheng)(sheng)(sheng)音(yin)(yin)(yin)功率测(ce)(ce)(ce)试(shi)(shi)(shi)(shi)，需(xu)要(yao)(yao)(yao)(yao)(yao)使用(yong)平行六面体测(ce)(ce)(ce)试(shi)(shi)(shi)(shi)表面。主(zhu)(zhu)要(yao)(yao)(yao)(yao)(yao)验(yan)证(zheng)步(bu)(bu)骤是(shi)(shi)(shi)(shi)(shi)在(zai)参照声(sheng)(sheng)(sheng)(sheng)源(yuan)上完成声(sheng)(sheng)(sheng)(sheng)压测(ce)(ce)(ce)试(shi)(shi)(shi)(shi)，注意(yi)(yi)声(sheng)(sheng)(sheng)(sheng)音(yin)(yin)(yin)功率差别(bie)是(shi)(shi)(shi)(shi)(shi)根据测(ce)(ce)(ce)量(liang)网格计算的(de)(de)。比较大允(yun)许(xu)出现2dB差别(bie)。如(ru)(ru)果差别(bie)过大，室(shi)(shi)内的(de)(de)声(sheng)(sheng)(sheng)(sheng)音(yin)(yin)(yin)吸收材料无法(fa)(fa)改进，解决方(fang)(fang)案(an)(an)是(shi)(shi)(shi)(shi)(shi)使用(yong)更多布置在(zai)声(sheng)(sheng)(sheng)(sheng)源(yuan)附近的(de)(de)麦(mai)克风。关(guan)于(yu)声(sheng)(sheng)(sheng)(sheng)音(yin)(yin)(yin)强度(du)(du)测(ce)(ce)(ce)试(shi)(shi)(shi)(shi)的(de)(de)注意(yi)(yi)事项声(sheng)(sheng)(sheng)(sheng)音(yin)(yin)(yin)强度(du)(du)的(de)(de)理(li)论指出测(ce)(ce)(ce)试(shi)(shi)(shi)(shi)方(fang)(fang)法(fa)(fa)可以(yi)(yi)完全消除室(shi)(shi)内声(sheng)(sheng)(sheng)(sheng)音(yin)(yin)(yin)反射(she)和环境(jing)(jing)噪声(sheng)(sheng)(sheng)(sheng)的(de)(de)影响。这(zhei)个理(li)论背(bei)后要(yao)(yao)(yao)(yao)(yao)点(dian)(dian)(dian)(dian)是(shi)(shi)(shi)(shi)(shi)：使用(yong)无限多的(de)(de)采(cai)样点(dian)(dian)(dian)(dian)源(yuan)输出完全稳定(ding)或是(shi)(shi)(shi)(shi)(shi)所有(you)点(dian)(dian)(dian)(dian)同(tong)时采(cai)样实际(ji)实现要(yao)(yao)(yao)(yao)(yao)求在(zai)一(yi)段(duan)时间(jian)(jian)(jian)内顺序采(cai)样有(you)限多的(de)(de)点(dian)(dian)(dian)(dian)。因此尽管这(zhei)个方(fang)(fang)法(fa)(fa)可以(yi)(yi)将反射(she)效应抑制到一(yi)定(ding)的(de)(de)程(cheng)度(du)(du)，它(ta)却无法(fa)(fa)完全消除它(ta)。自(zi)(zi)由(you)场(chang)室(shi)(shi)通常(chang)提供充足的(de)(de)声(sheng)(sheng)(sheng)(sheng)音(yin)(yin)(yin)吸收和声(sheng)(sheng)(sheng)(sheng)音(yin)(yin)(yin)隔绝，从(cong)而可以(yi)(yi)得到声(sheng)(sheng)(sheng)(sheng)音(yin)(yin)(yin)强度(du)(du)方(fang)(fang)法(fa)(fa)的(de)(de)完美结果。自(zi)(zi)由(you)场(chang)房(fang)间(jian)(jian)(jian)的(de)(de)优(you)(you)点(dian)(dian)(dian)(dian)/缺点(dian)(dian)(dian)(dian)优(you)(you)点(dian)(dian)(dian)(dian)：可以(yi)(yi)接受(shou)的(de)(de)测(ce)(ce)(ce)量(liang)精度(du)(du)优(you)(you)点(dian)(dian)(dian)(dian)：需(xu)要(yao)(yao)(yao)(yao)(yao)大小(xiao)适中、相对便(bian)宜、经过验(yan)证(zheng)的(de)(de)测(ce)(ce)(ce)试(shi)(shi)(shi)(shi)室(shi)(shi)。缺点(dian)(dian)(dian)(dian)：大量(liang)的(de)(de)麦(mai)克风位(wei)置需(xu)要(yao)(yao)(yao)(yao)(yao)使用(yong)大量(liang)麦(mai)克风。如(ru)(ru)果实验(yan)室(shi)(shi)吞吐量(liang)是(shi)(shi)(shi)(shi)(shi)重(zhong)要(yao)(yao)(yao)(yao)(yao)的(de)(de)，则需(xu)要(yao)(yao)(yao)(yao)(yao)考(kao)虑多通道的(de)(de)同(tong)步(bu)(bu)采(cai)集。青海游泳馆(guan)声(sheng)(sheng)(sheng)(sheng)学(xue)方(fang)(fang)案(an)(an)

本(ben)文来自海润达物联科技(ji)有限责(ze)任公司：//qfd1mz.cn/Article/62a05499883.html