Related Experiment Video
Updated: May 22, 2026

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
Published on: September 27, 2024
Cue-integration and context effects in speech: evidence against speaking-rate normalization.
Joseph C Toscano1, Bob McMurray
1Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, 405 N. Mathews Ave, Urbana, IL 61801, USA. jtoscano@illinois.edu
Listeners process speech sounds like voice-onset time (VOT) and vowel length (VL) using general cue-integration principles, not by adjusting VOT based on speaking rate. This research clarifies how phonetic cues are combined for speech perception.
Area of Science:
- Speech perception research
- Psychoacoustics
- Phonetics
Background:
- Listeners accurately perceive speech despite acoustic variations.
- Previous theories suggested vowel length (VL) indicates speaking rate, influencing voice-onset time (VOT) interpretation.
- This study explores an alternative cue-integration model.
Purpose of the Study:
- To investigate whether listeners use vowel length (VL) as a phonetic cue or a speaking rate indicator.
- To determine if general cue-integration principles explain the use of VL and VOT.
- To test if stimulus naturalness affects cue integration.
Main Methods:
- Conducted listener experiments with varying voice-onset time (VOT) and vowel length (VL) stimuli.
- Utilized computational simulations to model cue-integration processes.
- Compared results from naturally produced and synthetic speech.
Main Results:
- Listeners treat vowel length (VL) as an independent phonetic cue, not solely as a speaking rate indicator.
- VOT and VL are combined using general cue-integration principles, irrespective of speaking rate.
- Stimulus naturalness effects are explained by the cue-integration model.
Conclusions:
- Listeners do not interpret voice-onset time (VOT) relative to speaking rate information from vowel length (VL).
- Speech rate effects on perception are attributable to general cue-integration mechanisms.
- This provides a unified account of phonetic cue combination in speech perception.
More Related Videos
05:48Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis
Published on: August 9, 2024
05:22Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies
Published on: May 9, 2019
Related Concept Videos
Language and Cognition
Impression Management Techniques IV: Altercasting
Language Development
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
Components of Language
Non-Verbal Cues
The Anchoring-and-Adjustment Heuristic