The NAD Phonotactic Calculator: An Online Tool to Calculate Cluster Preferability Across Languages Katarzyna Dziubalska-Kołaczyk and Dawid Pietrala Adam Mickiewicz University in Poznań, Poland ABSTRACT: This paper presents the Net Auditory Distance (NAD) phonotactic calculator which can be used for calculating preferability of consonant clusters. The concept of measuring the preferability is grounded in the NAD model of phonotactics, which derives from the theory of Beats-and-Binding Phonology (Dziubalska- -Kolaczyk 2002): NAD calculation is based on the computation of relations between place of articulation (POA), manner of articulation (MOA), and sonorant-obstrucent dichotomy of sounds which are part of the cluster. The values of the parameters are language-specific. So far, the values for the calculations in seven languages have been made available in the calculator: Polish, English, German, Russian, Ukrainian, Croatian and Georgian. The tool is accessible online at http://wa.amu.edu.pl/nadcalc/ and is regularly updated by the authors. KEYWORDS: phonotactics, phonological preferability, tool, consonant cluster, NAD 1. Background The Beats-and-Binding Phonology (B&B henceforth) is a theory of phonology proposed by Dziubalska-Kołaczyk (1995, 2002a, 2009, etc.). B&B is a syllable-less model of phonology which is derived from the framework of Natural Linguistics and Natural Phonology.1 The B&B phonotactics constitutes a crucial part of the entire model because it accounts for the organization of consonant clusters in language. The model also aims at predicting the behavior of consonant clusters in first and second language acquisition, speech disorders and diachronic change. The B&B model replaces traditional syllable components (onset, nucleus, coda) with beats and non-beats: beats 1 Stampe (1969, 1979); Donegan & Stampe (1979); Dressler (1985); Dziubalska-Kołaczyk (1995, 2001a, 2001b, 2002a, 2002b, 2002c, 2007) and Dressler & Dziubalska-Kołaczyk (2006).
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