Related Experiment Video
Updated: Aug 30, 2026

Testing Tactile Masking between the Forearms
Published on: February 10, 2016
Effects of ear canal occlusion and masking on the perception of voice
1School of Hearing and Speech Sciences, Ohio University, Athens 45701, USA.
Abstract:
This study examined the effect of ear canal occlusion and masking noise on four parameters of voice: (1) average fundamental frequency, (2) intensity in decibel (dB), (3) maximum fundamental frequency observed in a given sample (max), and (4) minimum fundamental frequency observed in a given sample (min). 12 normal hearing undergraduates produced the vowel /i/ ten times under conditions of unoccluded ear canal, ear canal occluded with a sound attenuating earplug, or masking noise. Other than a small (.73 dB) decrease in intensity, analysis showed no significant changes under the occluded condition; however, the masking condition showed statistically significant increases in the fundamental frequency, the intensity, and the maximum and minimum frequency as well as an increased range of frequencies.
More Related Videos
09:09Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
Published on: September 27, 2024
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
Related Concept Videos
Hearing
Perception of Sound Waves
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same frequency...
Masking and Demasking Agents
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on the metal...
Auditory Perception
Perceiving Loudness, Pitch, and Location
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by identifying...
Factors Affecting Perception
An illustrative example of a perceptual set is the scenario where an airline pilot told...