Acoustic characteristics of the low-frequency nest call of discomfort of the house mouse (Mus musculus) early ontogenesis

被引:0
|
作者
M. A. Egorova
A. G. Akimov
机构
[1] Russian Academy of Sciences,Sechenov Institute of Evolutionary Physiology and Biochemistry
来源
Acoustical Physics | 2010年 / 56卷
关键词
Fundamental Frequency; Acoustical Physic; House Mouse; Acoustic Characteristic; Call Duration;
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摘要
Acoustic characteristics of the low-frequency nest call signaling discomfort of mouse pups are considered. The spectral temporal analysis of the call is realized for house mouse pups. In the structure of some calls, the frequency modulation and components of the noise are established. Signal duration varies from 20 to 170 ms. A statistically significant decrease of call duration and its fundamental frequency is shown from the 6th to 29th day of the mouse pups’ lives. The most stable parameters of the call-the harmonic structure, low-frequency range (up to 20 kHz), and location of the fundamental frequency between 4 and 8 kHz are recognized.
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页码:364 / 369
页数:5
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