家庭影院房間初步聲學(xué)方案

設(shè)計日期：設(shè)計日期：2010-04-07家庭影院房間聲學(xué)設(shè)計初步方案# 183.2吸聲材料面積及位置由于是初步方案，僅給出各種材料的設(shè)置面積，具體位置和材料結(jié)構(gòu)等暫不提供。頂面頂面采用聚酯纖維吸聲板，和圓圈擴散體墻面墻面采用聚酯吸聲板、大長城板、三角斜面擴散板。這三種的吸聲特性在各頻段為互補作用。聚酯吸聲板、大長城板、三角斜面擴散板的設(shè)置面積見表3聚酯纖維吸音板天花平米12聚酯纖維吸音板側(cè)墻平米12聚酯纖維吸音板前墻平米9聚酯纖維吸音板后墻平米6聚酯纖維吸音板邊吊頂平米9二次余數(shù)擴散板天花個4二次余數(shù)擴散板后墻個4三角斜面擴散體側(cè)墻個4長城吸音板兩側(cè)墻平米9.04環(huán)保吸音棉白色平米36四混響時間計算過程工程名稱：家庭彩院體積= 28.8M3最后日期：2011^/7序號位置使用面積W）吸聲系數(shù)及吸聲量（M2）125Hz25(IHz50C壓1000Hz2000Hz4000HzQSQ0.so.asaasaasaasa1吊頂1聚酉誇吸聲『維3.90.221.9530.564.9S40.367.6540.998.S110.968.5440.9SS.7222吊頂N圓圏扌Jii'散1.420.510.72420.30.4260.130.134^O.OS0.11360.090.127SD.l0.142側(cè)墻1大長在散哧姑廣110.5500.212.310.151.650.06。嫡0.060.560.040.444側(cè)墻2聚酉誇吸聲『維板8.90.221.9580.564.9840.367.6540.99S.8110.968.5440.988.7225側(cè)墻3三角糸+面1.420.540.766S0.340.43230.150.2130.090.1278O.OS0.11360.080.11366前墻聚酉誇『維6.40.221.40S0.563.5840.365.5040.996.3360.966.1440.9S6.272后墻1聚醍:吸聲『維板5.10.221.1220.562.3560.364.3360.995.0490.964.3960.984.9988后墻2三角糸擴散?面1.420.540.76630.340.48280.150.2130.090.1278DOS0.11360.080.11369地坪1地板10.20.1313260.11.020.080.8160.08OS160.060.6120.06i5.40610側(cè)向出口木質(zhì)隔聲門150.140.210.10.150.060.090.080.12O.l0.15D.l0.1511坐席區(qū)全軟包椅20.320.640.240.480.30.60.450.90.480.960.511.0212坐席區(qū)觀眾坐在全軟包椅卜20.320.640.390.780.490.98O.5S1.040.561.120.581.1613工「衰減0.00250.0720.00440.126720一00850.24430.02340.67392ZSQ(0%10.8798.21.759628.964631.S72230.86536.0992習(xí)S58.26ZSQ(100%occupied)10.S79S22.059629.344632.012231.02536.2392混響時間CRT）及頻率時性計算勺設(shè)計.0.300.25—HT（空場）-"-HT帶場）M（