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Sonification allows existing mathematical data to be used as the model for audio output, notably that the audio produced is related to or representative of that data in some way. Existing work in the field has been largely focused on the aesthetic tailoring of the output audio for compositional benefit rather than as a framework for audio representation and analysis. It is the goal of this research to apply existing techniques for pitch substitution to an analytical method that seeks to define and represent patterns within existing data sets (primarily DNA and RNA sequences). It is often the case that sonified audio has little or no rhythmic component, and it is felt that as rhythm is such an important part of the musical analysis process it should be given far more serious consideration when representing mathematical data as audio. In order to adequately analyse the different rhythms and time signatures that can be used to parse sonified data, a piece of software has been developed called DNASon that allows for basic time interval and signature definitions for application to a sonified DNA/RNA sequence.
Cullen, C. & Coyle, E. (2003) Rhythmic Parsing of Sonified DNA and RNA Sequences. ISSC: Irish Signals Systems Conference,>/i> Limerick, Ireland, 1-2 July.