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Home » Archives for Andreas Kathol
Andreas Kathol

Andreas Kathol

Research Linguist, Speech Technology and Research Laboratory
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Publications

Speech & natural language publications March 1, 2017

Analysis and prediction of heart rate using speech features from natural speech

Jennifer Smith, Andreas Tsiartas, Andreas Kathol, Massimiliano de Zambotti

We predict HR from speech using the SRI BioFrustration Corpus.In contrast to previous studies we use continuous spontaneous speech as input.

Speech & natural language publications March 1, 2017

Toward human-assisted lexical unit discovery without text resources

Andreas Kathol, Dimitra Vergyri, Harry Bratt

This work addresses lexical unit discovery for languages without (usable) written resources.

Speech & natural language publications September 1, 2016

Automatic Speech Transcription for Low-Resource Languages — The Case of Yoloxóchitl Mixtec (Mexico)

Andreas Kathol

In the present study, we focus exclusively on progress in developing speech recognition for the language of interest, Yoloxóchitl Mixtec (YM), an Oto-Manguean language spoken by fewer than 5000 speakers on the Pacific coast of Guerrero, Mexico.

Speech & natural language publications September 1, 2016

The SRI CLEO Speaker-State Corpus

Andreas Kathol, Massimiliano de Zambotti

We introduce the SRI CLEO (Conversational Language about Everyday Objects) Speaker-State Corpus of speech, video, and biosignals.

Speech & natural language publications September 1, 2015

Prediction of heart rate changes from speech features during interaction with a misbehaving dialog system

Andreas Kathol, Andreas Tsiartas, Massimiliano de Zambotti

This study examines two questions: how do undesirable system responses affect people physiologically, and to what extent can we predict physiological changes from the speech signal alone? 

Speech & natural language publications March 1, 2015

The SRI biofrustration corpus: Audio, video and physiological signals for continuous user modeling

Andreas Kathol

We describe the SRI BioFrustration Corpus, an inprogress corpus of time-aligned audio, video, and autonomic nervous system signals recorded while users interact with a dialog system to make returns of faulty consumer items.

Speech & natural language publications November 1, 2014

The SRI AVEC-2014 Evaluation System

Martin Graciarena, Dimitra Vergyri, Colleen Richey, Andreas Kathol

We explore a diverse set of features based only on spoken audio to understand which features correlate with self-reported depression scores according to the Beck depression rating scale. 

Speech & natural language publications May 1, 2014

Robust Features and System Fusion for Reverberation-robust Speech Recognition

Andreas Kathol

In this work, we present robust acoustic features motivated by the knowledge gained from human speech perception and production, and demonstrate that these features provide reasonable robustness to reverberation effects compared to traditional mel-filterbank-based features.

Speech & natural language publications August 1, 2013

Strategies for high accuracy keyword detection in noisy channels

Andreas Kathol, Dimitra Vergyri, Horacio Franco, Martin Graciarena

We present design strategies for a keyword spotting (KWS) system that operates in highly degraded channel conditions with very low signal-to-noise ratio levels.

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