It wasn't long after the birth of experimental phonetics that people became increasingly interested in the physical qualities of speech sounds. The experimental methodology makes it possible to describe in detail the qualities of the mechanisms that are responsible for the production of sound in a complete manner. During the latter half of the nineteenth century, Kazan University was the site of the world's first experimental phonetics investigations, which took place there as well. It was already recognised as significant at the time, and as a result of this recognition, it became possible to substantiate the theory and methodology of experimental study of the sound structure of the language in a creative and methodologically correct manner, as well as to predict milestones and steps for future research. In addition to linguistic ideas, a large number of extralinguistic perspectives were transmitted principally through phonetic structures and units. The fact that the sounds of local speech implicitly serve as a technique of formalising mental spaces in the context of multilingualism makes it absolutely essential to investigate and discover the role of phonetics in the building of a scientific knowledge system (according to the tradition of Kazan Linguistic School, this can be a model of the word phonemography). Acoustic phonetics, which makes use of acoustic parameters for sounding speech elements, can be used to reveal general patterns of the dynamics of the speech model in communication between speakers of heterogeneous languages, as well as to identify vulnerable points in the articulatory base of speakers of heterogeneous languages, according to the authors. A major goal of modern instrumental research is to define the acoustic component of speech, which will allow for a more in-depth investigation of the phenomena of human speech as a complex associative aggregation in the near future (the definition of V.A.Bogoroditsky, the founder of experimental phonetics in Russia). It is the goal of our research to understand the role and possibilities of experimental phonetics in the process of the production of phonetic knowledge. Our research is focused on the development of phonetic knowledge.
Key words: Experimental Phonetics, Acoustic Segmentation, Phonemography of the Word, Basic Acoustic Correlates, Speech Signal, Phonetic Portrait of the Speaker
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