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OLLO contains 150 different logatomes, i.e. non-sense words, which are composed of combinations of vowel-consonant-vowel (VCV) or consonant-vowel-consonant (CVC) with identical outer phonemes. Each logatome was spoken with different speaking style, effort and rate. The speakers were asked to speak each logatome loudly, softly, fast, slowly, as a question, and normally. Speakers originating from various dialect / accent regions were recorded to enable an analysis of these factors on speech recognition. Some of the properties of the database are listed in the table below.

Properties of the OLLO database



Last update: 21-Apr-2009 5:07 PM