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

机译:低频巢状家鼠(小家鼠)不适的不适感

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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.
机译:考虑了小鼠幼崽的低频巢状呼叫信号不适的声学特性。该呼叫的频谱时间分析是针对家鼠幼崽而实现的。在某些呼叫的结构中,建立了频率调制和噪声成分。信号持续时间从20到170毫秒不等。从老鼠幼崽的第6天到29天,通话持续时间及其基本频率的统计显着减少。可以识别出最稳定的谐波参数,谐波结构,低频范围(最高20 kHz)和4至8 kHz之间的基频位置。

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