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一座仪器先进、电源种类齐全、全自由场和半自由场兼用的精密消声室已于今年11月通过鉴定正式投入使用。这座消声室是根据机械部电工局和陕西省机械局对低噪声新闻摄影电机研制的需要而建造的,所用测试仪器为丹麦B——K公司先进产品。今年8月,有关方面的专家对该消声室的声学性能进行了全面测试,各项指标均达到ISO标准。不久前,英国贝士柯先生和西德斯特尔廷教授参观了该消
A precision anechoic chamber with advanced equipment, complete power supply, and full free field and semi-free field was officially put into use in November this year. This anechoic chamber was built according to the needs of the Ministry of Machinery Electrical Engineering and the Shaanxi Provincial Bureau of Machinery for the development of low-noise news camera motors. The test instruments used were Danish B-K advanced products. In August of this year, experts in related fields conducted a comprehensive test on the acoustic performance of the anechoic chamber, and all indicators reached the ISO standard. Not long ago, Mr. Beksko and Professor West Destertine visited the event.