The Concept of Textural Value. Adopting Terminology from the Theory of Light.

This paper examines the use of terminology that springs from parts of the theory of light, applied to electroacoustic music, highlighting the intimate connections between the visual and the auditory, and suggesting that music is not solely an auditory experience. Furthermore, the extra-musical nature of various sonic parameters cannot be addressed solely with reference to musical language, but should include possible relationships and analogies with other forms of art and, in general, with aspects of life. Hence, the concept of Textural Value is introduced as a unifying feature that relates sonic parameters and attributes with light, contributing to a meaningful understanding of music. The terms of Frequency and Amplitude, Hue, Saturation, and the Brightness of a sound are presented as co-ordinates that unify aspects of sound and light.