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Sonograms of female copulatory vocalizations of a human female (top), female baboon (middle), and female gibbon (bottom), [19] with time being plotted on the x-axis and the pitch being represented on the y-axis. In non-human primates, copulatory vocalizations begin towards the end of the copulatory act or even after copulation. [2]
Certain words in the English language represent animal sounds: the noises and vocalizations of particular animals, especially noises used by animals for communication. The words can be used as verbs or interjections in addition to nouns , and many of them are also specifically onomatopoeic .
Sound then enters the supralaryngeal vocal tract, which can be adjusted to produce various changes in sound output, providing refinement of vocalizations. [3] Although morphological differences between species affect production of sound , neural control is thought to be more essential factor in producing the variations within human speech and ...
[3] [4] In nature, two muscles contracting on the swim bladder produce these sounds. In the laboratory, sounds are produced by a stimulating electrode placed on the periaqueductal gray (PAG) and a recording electrode placed on the occipital nerve that leads to the sonic muscles of the fish. [4] [5]
The reason that the female remains still is because the song sounds very similar to sounds that a bat would produce. The female therefore remains still in order to avoid potential predation . There is another added benefit to this soft song produced by the male Asian corn borer moth, and that is that the song is so quiet that it decreases the ...
To varying degrees, different phonemes can be distinguished by the properties of their source(s) and their spectral shape.Voiced sounds (e.g., vowels) have at least one source due to mostly periodic glottal excitation, which can be approximated by an impulse train in the time domain and by harmonics in the frequency domain, and a filter that depends on, for example, tongue position and lip ...
Later, he put a male cricket behind a microphone and female crickets in front of a loudspeaker. The females were not moving towards the male but towards the loudspeaker. [5] Regen's most important contribution to the field apart from realization that insects also detect airborne sounds was the discovery of tympanal organ's function. [6]
Whispering is an unvoiced mode of phonation in which the vocal cords are abducted so that they do not vibrate; air passes between the arytenoid cartilages to create audible turbulence during speech. [1] Supralaryngeal articulation remains the same as in normal speech. In normal speech, the vocal cords alternate between states of voice and ...