作　　者： ; ; ; ; ;

机构地区： 华南理工大学建筑学院亚热带建筑科学国家重点实验室

出　　处： 《噪声与振动控制》 2009年第3期113-116,共4页

摘　　要： 介绍在混响室内参照ISO标准和国家标准对秦琴声功率的测量研究工作。采用4通道实时分析技术测量秦琴在演奏单音、音阶和乐曲时的1/3倍频带声压级,通过平均、计算,获得秦琴在不同演奏力度下演奏不同内容时的典型平均声功率级,并建议采用秦琴在f力度下演奏音阶时的平均声功率级作为其声功率级的代表数值。 Qinqin is one of plucked stringed instruments used in Guangdong music. It is also used in local opera and Chinese national orchestra. In this study, sound power level （SPL） of Qinqins was measured in a reverberation chamber according to ISO standard and Chinese national standard. Two qualified musicians performed on their Qinqins respectively in the chamber. Meanwhile the sound pressure levels of 1/3 octave bands were recorded and analyzed by means of 4-channel real-time analysis. Typical values of radiation sound power of Qinqins, when 3 representative single notes d,d1 and d2, a music scale and a folk song were performed under different dynamic markings, were obtained through averaging. The forte sound power level of performingf scale is suggested as the most representative value of the sound power of the Qinqin instrument.

关 键 词： 声学 声功率级 秦琴 声学测试

领　　域： [理学] [理学] [一般工业技术]