TL;DR
ProsoBeast is an interactive prosody annotation tool that uses advanced dimensionality reduction techniques like variational autoencoders to facilitate speech corpus labeling through visual maps, improving efficiency and accuracy.
Contribution
The paper introduces ProsoBeast, a novel web-based tool that integrates stochastic dimensionality reduction methods for interactive prosody annotation and label correction.
Findings
Effective in representing varied prosodic data
Assists in annotation and label correction
Provides multiple stochastic representations
Abstract
The labelling of speech corpora is a laborious and time-consuming process. The ProsoBeast Annotation Tool seeks to ease and accelerate this process by providing an interactive 2D representation of the prosodic landscape of the data, in which contours are distributed based on their similarity. This interactive map allows the user to inspect and label the utterances. The tool integrates several state-of-the-art methods for dimensionality reduction and feature embedding, including variational autoencoders. The user can use these to find a good representation for their data. In addition, as most of these methods are stochastic, each can be used to generate an unlimited number of different prosodic maps. The web app then allows the user to seamlessly switch between these alternative representations in the annotation process. Experiments with a sample prosodically rich dataset have shown that…
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