Abstract Dynamically generated topic hierarchies are a popular method of summarizing the results obtained in response to a query in various search applications. However, topic hierarchies generated by statistical techniques tend to be somewhat unintuitive,[…]
Abstract The human speech communication system is uniquely complex. It is complex in its intricate use of levels of representations sounds, words, sentences, and in the range of superficial variability that it displays, both across[…]
Abstract Neuroscience and psychology research over the past two decades has demonstrated a close connection between cognition and affect. Affective factors emotions and personality traits can profoundly influence perception, decision-making and behavior, contributing to a[…]
Abstract We are now in the midst of a Multimedia Communications Revolution in which virtually every aspect of telecom is changing in ways that would have been considered unthinkable just a decade or so ago.[…]
Abstract Many evaluations of human language technologies use a “straw man system” as a point of comparison. Yet the straw man doesn’t often attract significant attention, either from the audience or from the author. In[…]
View Seminar Video Abstract The variability inherent in speech waveforms gives rise to powerful temporal and spectral dynamics that evolve across multiple scales, and in this talk we describe new methods to capture and exploit[…]
View Seminar Video Abstract This talk will discuss production and perception studies of deceptive speech and the acoustic/prosodic and lexical cues associated with deception. Experiments in which we collected a large corpus of deceptive and[…]
