[HTML][HTML] Vocal accommodation to technology: the role of physical form

M Cohn, A Keaton, J Beskow, G Zellou - Language Sciences, 2023 - Elsevier
This study examines participants' vocal accommodation toward text-to-speech (TTS) voices
produced by three devices, varying in the extent to which they embody a human form. Thirty …

Prosodic differences in human-and Alexa-directed speech, but similar local intelligibility adjustments

M Cohn, G Zellou - Frontiers in Communication, 2021 - frontiersin.org
The current study tests whether individuals (n= 53) produce distinct speech adaptations
during pre-scripted spoken interactions with a voice-AI assistant (Amazon's Alexa) relative to …

Prosodic alignment toward emotionally expressive speech: Comparing human and Alexa model talkers

M Cohn, K Predeck, M Sarian, G Zellou - Speech Communication, 2021 - Elsevier
This study tests whether individuals vocally align toward emotionally expressive prosody
produced by two types of interlocutors: a human and a voice-activated artificially intelligent …

Text‐to‐speech and virtual reality agents in primary school classroom environments

L Dai, V Kritskaia, E van der Velden… - Journal of Computer …, 2024 - Wiley Online Library
Abstract Background The integration of Text‐to‐Speech (TTS) and virtual reality (VR)
technologies in K‐12 education is an emerging trend. However, little is known about how …

Effects of emotional expressiveness on voice chatbot interactions

Q Zhu, A Chau, M Cohn, KH Liang, HC Wang… - Proceedings of the 4th …, 2022 - dl.acm.org
Speech-based dialog systems primarily interact with users through their spoken responses.
Understanding users' perception of, and subconscious behaviors toward, the system's …

Linguistic patterning of laughter in human-socialbot interactions

N Perkins Booker, M Cohn, G Zellou - Frontiers in Communication, 2024 - frontiersin.org
Laughter is a social behavior that conveys a variety of emotional states and is also intricately
intertwined with linguistic communication. As people increasingly engage with voice …

The influence of conversational role on phonetic alignment toward voice-AI and human interlocutors

G Zellou, M Cohn, T Kline - Language, Cognition and …, 2021 - Taylor & Francis
Two studies investigated the influence of conversational role on phonetic imitation toward
human and voice-AI interlocutors. In a Word List Task, the giver instructed the receiver on …

Differences in gradient emotion perception: Human vs. Alexa voices

M Cohn, E Raveh, K Predeck, I Gessinger… - Proceedings of …, 2020 - par.nsf.gov
The present study compares how individuals perceive gradient acoustic realizations of
emotion produced by a human voice versus an Amazon Alexa text-to-speech (TTS) voice …

Listener beliefs and perceptual learning: Differences between device and human guises

G Zellou, M Cohn, A Pycha - Language, 2023 - muse.jhu.edu
Listeners have a remarkable ability to adapt to novel speech patterns, such as a new accent
or an idiosyncratic pronunciation. In almost all of the previous studies examining this …

Social and functional pressures in vocal alignment: Differences for human and voice-AI interlocutors

G Zellou, M Cohn - Proceedings of Interspeech, 2020 - par.nsf.gov
Increasingly, people are having conversational interactions with voice-AI systems, such as
Amazon's Alexa. Do the same social and functional pressures that mediate alignment …