間(jian)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)懸吊(diao)(diao)或懸挑在(zai)建筑(zhu)原有(you)(you)裝修(xiu)(xiu)界面(mian)(mian)之外，因(yin)此特(te)別(bie)適用(yong)于(yu)音(yin)(yin)質不(bu)良廳(ting)堂(tang)的(de)(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)學改(gai)造(zao)(zao)工程，即由于(yu)設計當初沒有(you)(you)做音(yin)(yin)質設計，致使廳(ting)堂(tang)混響時(shi)間(jian)過長而(er)影響語言清晰度(du)的(de)(de)這(zhe)種(zhong)情況。有(you)(you)可能在(zai)不(bu)變(bian)動原裝修(xiu)(xiu)設計的(de)(de)條件(jian)下(xia)，滿足(zu)音(yin)(yin)質改(gai)善的(de)(de)要(yao)求(qiu)。比(bi)(bi)如在(zai)廳(ting)堂(tang)網架下(xia)弦桿上(shang)懸吊(diao)(diao)空(kong)(kong)(kong)(kong)間(jian)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)，如設計得(de)(de)當，不(bu)僅可獲得(de)(de)了(le)良好的(de)(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)學效(xiao)果(guo)，還可豐富廳(ting)堂(tang)的(de)(de)裝修(xiu)(xiu)效(xiao)果(guo)。空(kong)(kong)(kong)(kong)間(jian)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)的(de)(de)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)性(xing)能不(bu)僅與它(ta)的(de)(de)形(xing)體(ti)(ti)、構造(zao)(zao)、用(yong)材(cai)(cai)等密切相關，同(tong)(tong)時(shi)還與吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)懸吊(diao)(diao)的(de)(de)間(jian)隔和高(gao)(gao)度(du)有(you)(you)關。因(yin)此，它(ta)的(de)(de)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)性(xing)能通常(chang)(chang)在(zai)混響室內測定求(qiu)得(de)(de)。同(tong)(tong)樣的(de)(de)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)，懸吊(diao)(diao)的(de)(de)間(jian)隔和高(gao)(gao)度(du)不(bu)同(tong)(tong)，吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)性(xing)能也有(you)(you)相當大的(de)(de)差別(bie)，特(te)別(bie)在(zai)中(zhong)、高(gao)(gao)頻范(fan)圍內，差距更大。 空(kong)(kong)(kong)(kong)間(jian)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)空(kong)(kong)(kong)(kong)間(jian)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)由于(yu)所有(you)(you)界面(mian)(mian)均(jun)暴露在(zai)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)場（空(kong)(kong)(kong)(kong)間(jian)）中(zhong)，增(zeng)(zeng)加了(le)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波投射的(de)(de)機率，從而(er)提(ti)高(gao)(gao)了(le)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)功效(xiao)。但吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)通常(chang)(chang)在(zai)低(di)頻段吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)性(xing)能較差，原因(yin)是在(zai)多(duo)孔性(xing)材(cai)(cai)料(liao)后面(mian)(mian)缺少空(kong)(kong)(kong)(kong)腔。為了(le)提(ti)高(gao)(gao)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)對(dui)低(di)頻的(de)(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)吸(xi)(xi)(xi)(xi)收(shou)，目前(qian)常(chang)(chang)采取如下(xia)幾種(zhong)措施:（1）增(zeng)(zeng)加吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)(cai)料(liao)的(de)(de)厚度(du)和密度(du)。例如采用(yong)半圓柱、球(qiu)切面(mian)(mian)和球(qiu)狀(zhuang)(zhuang)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)，可對(dui)低(di)頻的(de)(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)吸(xi)(xi)(xi)(xi)收(shou)。（2把(ba)成(cheng)(cheng)(cheng)品吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)板材(cai)(cai)（通常(chang)(chang)厚度(du)在(zai)15～25mm左(zuo)右(you)）做成(cheng)(cheng)(cheng)中(zhong)空(kong)(kong)(kong)(kong)的(de)(de)雙(shuang)層(ceng)板材(cai)(cai)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)，或再(zai)把(ba)雙(shuang)層(ceng)板做成(cheng)(cheng)(cheng)各種(zhong)形(xing)狀(zhuang)(zhuang)的(de)(de)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)（3）增(zeng)(zeng)加多(duo)孔性(xing)材(cai)(cai)料(liao)的(de)(de)厚度(du)、在(zai)板材(cai)(cai)中(zhong)設空(kong)(kong)(kong)(kong)腔可對(dui)低(di)頻的(de)(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)吸(xi)(xi)(xi)(xi)收(shou)，但與中(zhong)、高(gao)(gao)頻的(de)(de)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)量相比(bi)(bi)仍有(you)(you)很大差距。因(yin)此，當需(xu)要(yao)更大幅度(du)地(di)提(ti)高(gao)(gao)低(di)頻的(de)(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)吸(xi)(xi)(xi)(xi)收(shou)，可與共振(zhen)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)結(jie)(jie)(jie)構相結(jie)(jie)(jie)合(he)，即在(zai)多(duo)孔性(xing)材(cai)(cai)料(liao)的(de)(de)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)內配置(zhi)共振(zhen)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)結(jie)(jie)(jie)構。提(ti)高(gao)(gao)空(kong)(kong)(kong)(kong)間(jian)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)對(dui)低(di)頻的(de)(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)吸(xi)(xi)(xi)(xi)收(shou)，還可采用(yong)雙(shuang)層(ceng)微穿孔結(jie)(jie)(jie)構、金屬粉(fen)末(mo)燒結(jie)(jie)(jie)結(jie)(jie)(jie)構與多(duo)孔性(xing)材(cai)(cai)料(liao)相結(jie)(jie)(jie)合(he)的(de)(de)方法(fa)，但需(xu)考(kao)慮造(zao)(zao)價和荷載的(de)(de)限(xian)制。吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti) 空(kong)(kong)(kong)(kong)間(jian)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti) 體(ti)(ti)育館空(kong)(kong)(kong)(kong)間(jian)吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)廠家 吸(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)價格

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