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Design and preliminary testing of the test apparatus to analyse the impact of hearing problems on the ability to repeat sound by singer

Kramarczyk M., Półrolniczak E.

Journal of Theoretical and Applied Computer Science

2015

Vol. 9, nr 3

3--8

It is likely that serious hearing loss affect drastically human possibility of repeating the sounds. Remains the question of whether and how the delicate hearing loss affect the person’s ability to repeat sounds. Therefore we try to create the database samples singing, expanded on the tests of hearing for individual sigers, that could be used to further research in this direction. The studies were used two research stations one for the hearing test, and a second used to test the ability of the singer to repeat sound. First station used for hearing tests utilized a standard, certified audiometric cabin with cooperating with her professional audiometer. The second test station was design for record and analyse singers ability to repeat sound. Projected solution, use tools for both generate, playback and recording audio, with used adittional materials to improve the acoustic performance of the tests. This article describes the design of test aparature and presents the conclusions of the preeliminary tests, in particular those related to the second set of equipment.

Human singing as a form of bio-communication

Gorzelańczyk E. J., Podlipniak P.

Bio-Algorithms and Med-Systems

2011

Vol. 7, no. 2

79--83

Most probably music, similarly to human speech, represents a biological adaptation [1], and singing is a mode of communication older than speech, present already in ancestors of Homo sapiens [2]. In various species of apes vocal expression has been demonstrated to be linked with expression of emotions [3], which indicates that singing is a carrier of emotional information which in evolution has appeared before formation of Homo sapiens. Hierarchical pattern of processing sound information in human cognitive system [4] allows to assume that singing may induce in the recipient both basic emotions and more complex reactions, linked to altered mood or induction of emotions. Processing of specific musical stimuli evokes specific emotional reactions [5]. Contemporary knowledge on processing of music in the nervous system and evolutionary perspective permit to distinguish such traits of musical course which code data on the type and intensity of emotions. According to the authors, qualitative coding of principal emotions in musical course involves mainly segmental level using physical traits of the sound, such as intensity and timbre of sound while quantitative coding at the suprasegmental level involves mainly changes in tempo and intensity of sounds. In emotional communication conducted through a musical course the shared by the broadcaster and recipient set of culture-specific data on traits of music necessary for its correct processing in specific structures of nervous system, linked to cognitive processes, also plays a significant role. In the study a hierarchical model of singing structure was suggested, which attempts to explain the way in which expression is coded and emotions are perceived in interpersonal communication.