朱雀鸣声声谱与语图的初步分析

Analysis of sonagraph and spectrum of songbird (Carpodacus erythrinus grebnitskii)

利用计算机声音分析技术对朱雀 (Carpodacuserythrinusgrebnitski i)的求偶歌唱、害怕时的惊叫声和正常联系声进行了分析 ,以探讨鸣声特征与行为的关系 .朱雀的歌唱婉转多变 ,频率范围在 2 5～ 10 5kHz之间 ;惊叫声尖厉 ,频率范围在 2 4～ 8.0kHz之间 ;正常联系声频率范围在 2 0～ 6 .

Characteristics of calls of Carpodacus erythrinus grebnitskii , including song, alarm call and contact call were studied with computer analysis. The results show that the song of birds relates to their behavior. The song of Carpodacus erythinus grebnitskii is a kind of sweet and changeable singing and the frequency is between 2.5～10.5 kHz. The frequency of alarm call is between 2.4～8.0 kHz. The frequency of contact call is between 2.0～6.5 kHz.