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The lack of publicly available annotated databases is one of the major barriers to research advances on emotional information processing. In this contribution we present a recently collected database of spontaneous emotional speech in German which is being made available to the research community. The database consists of 12 hours of audio-visual recordings of the German TV talk show ldquoVera am...
The ability to identify speech acts reliably is desirable in any spoken language system that interacts with humans. Minimally, such a system should be capable of distinguishing between question-bearing turns and other types of utterances. However, this is a non-trivial task, since spontaneous speech tends to have incomplete syntactic, and even ungrammatical, structure and is characterized by disfluencies,...
Motivated by potential applications in second-language pedagogy, we present a novel approach to using articulatory information to improve automatic detection of typical phone-level errors made by nonnative speakers of English-a difficult task that involves discrimination between close pronunciations. We describe a reformulation of the hidden-articulator Markov model (HAMM) framework that is appropriate...
In this paper, we review the acoustic and linguistic properties of children's speech for both read and spontaneous speech. First, the effect of developmental changes on the absolute values and variability of acoustic correlates is presented for read speech for children ages 6 and up. Then, verbal child-machine spontaneous interaction is reviewed and results from recent studies are presented. Age trends...
This paper presents several acoustic analyses on read speech, collected from 5 adults and 35 children aged 5 to 17 years, focusing on consonants and consonant-vowel transition. Characteristics of consonants such as duration, intra-speaker variability and, for stop consonants, voice onset time are analyzed and compared with results achieved on vowels. Strong and significant correlation with age is...
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