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等高线
时间:2022-01-04 20:31
关键词:
02108实验心理学
地理信息系统(GIS)
大学试题
08721园林施工与管理
地图学
地球科学
答案解析
等高线:音高不仅和音频有关,也和音强有关,等高线就表示音高、音频和音强间的关系。当强度改变时,各频率的音高随之发生变化。对于低音来说,音高随强度增加而降低,对于高音来说,音高随强度增加而升高,对于中等频率的声音来说,两种影响都有轻微程度的表现。等高线可以通过调整法获得。传统实验采用可连续变换强度(可听范围)的、从150到12|000赫之间的11个频率的声音,使两个频率交替呈现,让被试者调节其中一个声音的强度,使两音的音高相等。
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