2006 | OriginalPaper | Buchkapitel
Phonetic Feature Discovery in Speech Using Snap-Drift Learning
verfasst von : Sin Wee Lee, Dominic Palmer-Brown
Erschienen in: Artificial Neural Networks – ICANN 2006
Verlag: Springer Berlin Heidelberg
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This paper presents a new application of the
snap-drift
algorithm [1]: feature discovery and clustering of speech waveforms from non-stammering and stammering speakers. The learning algorithm is an unsupervised version of snap-drift which employs the complementary concepts of fast, minimalist learning (
snap
) & slow
drift
(towards the input pattern) learning. The
Snap-Drift
Neural Network (SDNN) is toggled between snap and drift modes on successive epochs. The speech waveforms are drawn from a phonetically annotated corpus, which facilitates phonetic interpretation of the classes of patterns discovered by the SDNN.