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Comparing the Imitating Capabilities of Parrots and Crows with Human Beings Using COMSOL Multiphysics


Affiliations
1 I. K. Gujral Punjab Technical University, Kapurthala 144 603, India
2 Electronics and Communication Engineering Department, Beant College of Engineering and Technology, Gurdaspur 143 521, India
3 Department of Electronics, University of Jammu, Jammu 180 006, India
 

Speech signal is a natural means of communication. It uses small units of sound to convey feelings and messages. Birds also use sound signals to express their emotions. Some birds, like parrots and crows, are capable of imitating the speech of other animals. The aim of this study is to compare the imitating capabilities of these birds with those of human beings. The software COMSOL Multiphysics has been used for investigating the effect of dimensional modifications of the vocal tract on the system output. The analysis of the results shows that the acoustic spaces used by human beings, parrots and crows are not overlapping, but similar in shape. Further, maximum formant scattering is observed in human beings and minimum for parrots. The results may be important for understanding the vocal tract modulation, for example, to generate artificial food calls to assemble the birds for feeding medicines to avoid spread of diseases, specifically by parrots and crows as they try to settle down near human civilizations.

Keywords

Birds Calls, Cardinal Vowels, Imitation, Speech Production.
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  • Comparing the Imitating Capabilities of Parrots and Crows with Human Beings Using COMSOL Multiphysics

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Authors

Randhir Singh
I. K. Gujral Punjab Technical University, Kapurthala 144 603, India
Ajay Kumar
Electronics and Communication Engineering Department, Beant College of Engineering and Technology, Gurdaspur 143 521, India
Parveen Kumar Lehana
Department of Electronics, University of Jammu, Jammu 180 006, India

Abstract


Speech signal is a natural means of communication. It uses small units of sound to convey feelings and messages. Birds also use sound signals to express their emotions. Some birds, like parrots and crows, are capable of imitating the speech of other animals. The aim of this study is to compare the imitating capabilities of these birds with those of human beings. The software COMSOL Multiphysics has been used for investigating the effect of dimensional modifications of the vocal tract on the system output. The analysis of the results shows that the acoustic spaces used by human beings, parrots and crows are not overlapping, but similar in shape. Further, maximum formant scattering is observed in human beings and minimum for parrots. The results may be important for understanding the vocal tract modulation, for example, to generate artificial food calls to assemble the birds for feeding medicines to avoid spread of diseases, specifically by parrots and crows as they try to settle down near human civilizations.

Keywords


Birds Calls, Cardinal Vowels, Imitation, Speech Production.

References





DOI: https://doi.org/10.18520/cs%2Fv114%2Fi11%2F2343-2352