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Accent Classification Using Support Vector Machines
Melbourne, Australia July 11-July 13
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ICIS.2007.476th IEEE/ACIS International Conferenc ...
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Carol Pedersen, The University of Queensland, Australia
Joachim Diederich, The University of Queensland, Australia; American University of Sharjah, U.A.E.
Accent is the pattern of pronunciation and acoustic features in speech which can identify a person?s linguistic, social or cultural background. It is an important source of inter-speaker variability, and a particular problem for automated speech recognition. Current approaches to the identification of speaker accent may require specialised linguistic knowledge or analysis of the particular speech contrasts, and often extensive pre-processing on large amounts of data. An accent classification system using time-based segments consisting of Mel Frequency Cepstral Coefficients as features and employing Support Vector Machines is studied for a small corpus of two accents of English. On one- to four-second audio samples from three topics, accuracy in the binary classification task is up to 75% to 97.5%, with very high recall and precision. Its use with mis-matched content is at best 85%, with a tendency towards majority-class classification if the accent groups are significantly imbalanced.
Citation:
Carol Pedersen, Joachim Diederich, "Accent Classification Using Support Vector Machines," icis, pp.444-449, 6th IEEE/ACIS International Conference on Computer and Information Science (ICIS 2007), 2007
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