普通话测试间声环境分析与改造  

Analysis and Transformation of the Acoustic Environment of the Mandarin Testing Room

作　　者：樊辉[1] 王万江[1] 阿迪力·赛买提[1] FAN Hui;WANG Wanjiang;ADILI·Saimaiti(Xinjiang University,Urumqi 830000,China)

机构地区：[1]新疆大学,乌鲁木齐830000

出　　处：《建筑科学》2023年第8期286-292,共7页Building Science

摘　　要：某高校普通话测试间,施工完成经过自查改造后,声环境仍不能满足要求,针对该声学问题,通过主观听音判断,结合现场客观声学测试,分析声缺陷产生的原因。校园类建筑声学设计与改造已有了大量的研究成果并提出了明确的评价指标,但缺乏小空间的声环境控制指标。根据测试间现有声环境特点,制定改造方案,施工过程中跟踪测试,对改造方案逐步优化,综合考虑多种因素确定改造方案,改造完成后对测试间随机进行抽检,声环境均能满足教学使用要求。最终确定普通话测试间声学指标:混响时间T_(60)全频带小于0.4 s,隔墙空气声计权隔声量R_(w)大于40 dB。After self-inspection and renovation of the Mandarin testing room in a university,the acoustic environment still fail to meet the requirements.In response to this acoustic problem,subjective listening judgment and on-site objective acoustic testing were conducted to analyze the reasons for the sound defects.There have been a lot of research results and clear evaluation indicators for the design and transformation of campus architectural acoustics,but there is a lack of acoustic environment control indicators for small spaces.Based on the characteristics of the existing acoustic environment in the testing room,a renovation plan was developed,followed by tracking and testing during the construction process.The renovation plan was gradually optimized,and multiple factors are comprehensively considered to determine the renovation plan.After the renovation,random inspections are conducted in the testing room,and the acoustic environment can meet the requirements for teaching.Finally,the acoustic indicators of the Mandarin test room are determined:the reverberation time T_(60) full band should be less than 0.4 s,and the partition air acoustical weight sound insulation R_(w) greater than 40 dB.

关 键 词：声环境 评价指标 混响时间 隔声量 优化改造 

分 类 号：TU112.4[建筑科学—建筑理论]